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Application structure changed

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This commit is contained in:
Sergey Solovyev
2012-11-30 13:43:41 +04:00
parent a2009599e4
commit 5026597946
668 changed files with 169 additions and 169 deletions
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63
core/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.solovyev.android</groupId>
<artifactId>calculatorpp-parent</artifactId>
<version>1.5.3-SNAPSHOT</version>
</parent>
<groupId>org.solovyev.android</groupId>
<artifactId>calculatorpp-core</artifactId>
<version>1.5.3-SNAPSHOT</version>
<name>Calculator++ Application Core</name>
<packaging>jar</packaging>
<dependencies>
<dependency>
<groupId>org.solovyev</groupId>
<artifactId>common-text</artifactId>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>net.sf.opencsv</groupId>
<artifactId>opencsv</artifactId>
<version>2.0</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<version>1.9.0</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.intellij</groupId>
<artifactId>annotations</artifactId>
</dependency>
<dependency>
<groupId>org.solovyev</groupId>
<artifactId>jscl</artifactId>
</dependency>
<dependency>
<groupId>org.simpleframework</groupId>
<artifactId>simple-xml</artifactId>
</dependency>
</dependencies>
</project>

153
core/src/main/java/org/solovyev/android/calculator/AbstractCalculatorMathRegistry.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator;
import jscl.CustomFunctionCalculationException;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.common.JBuilder;
import org.solovyev.common.math.MathEntity;
import org.solovyev.common.math.MathRegistry;
import java.util.List;
import java.util.Map;
/**
* User: serso
* Date: 10/30/11
* Time: 1:03 AM
*/
public abstract class AbstractCalculatorMathRegistry<T extends MathEntity, P extends MathPersistenceEntity> implements CalculatorMathRegistry<T> {
@NotNull
private final MathRegistry<T> mathRegistry;
@NotNull
private final String prefix;
@NotNull
private final MathEntityDao<P> mathEntityDao;
protected AbstractCalculatorMathRegistry(@NotNull MathRegistry<T> mathRegistry,
@NotNull String prefix,
@NotNull MathEntityDao<P> mathEntityDao) {
this.mathRegistry = mathRegistry;
this.prefix = prefix;
this.mathEntityDao = mathEntityDao;
}
@NotNull
protected abstract Map<String, String> getSubstitutes();
@Nullable
@Override
public String getDescription(@NotNull String mathEntityName) {
final String stringName;
final Map<String, String> substitutes = getSubstitutes();
final String substitute = substitutes.get(mathEntityName);
if (substitute == null) {
stringName = prefix + mathEntityName;
} else {
stringName = prefix + substitute;
}
return mathEntityDao.getDescription(stringName);
}
public synchronized void load() {
final MathEntityPersistenceContainer<P> persistenceContainer = mathEntityDao.load();
if (persistenceContainer != null) {
for (P entity : persistenceContainer.getEntities()) {
if (!contains(entity.getName())) {
try {
add(createBuilder(entity));
} catch (CustomFunctionCalculationException e) {
Locator.getInstance().getLogger().error(null, e.getMessage(), e);
}
}
}
}
/*Log.d(AndroidVarsRegistry.class.getName(), vars.size() + " variables registered!");
for (Var var : vars) {
Log.d(AndroidVarsRegistry.class.getName(), var.toString());
}*/
}
@NotNull
protected abstract JBuilder<? extends T> createBuilder(@NotNull P entity);
@Override
public synchronized void save() {
final MathEntityPersistenceContainer<P> container = createPersistenceContainer();
for (T entity : this.getEntities()) {
if (!entity.isSystem()) {
final P persistenceEntity = transform(entity);
if (persistenceEntity != null) {
container.getEntities().add(persistenceEntity);
}
}
}
this.mathEntityDao.save(container);
}
@Nullable
protected abstract P transform(@NotNull T entity);
@NotNull
protected abstract MathEntityPersistenceContainer<P> createPersistenceContainer();
@NotNull
@Override
public List<T> getEntities() {
return mathRegistry.getEntities();
}
@NotNull
@Override
public List<T> getSystemEntities() {
return mathRegistry.getSystemEntities();
}
@Override
public T add(@NotNull JBuilder<? extends T> JBuilder) {
return mathRegistry.add(JBuilder);
}
@Override
public void remove(@NotNull T var) {
mathRegistry.remove(var);
}
@NotNull
@Override
public List<String> getNames() {
return mathRegistry.getNames();
}
@Override
public boolean contains(@NotNull String name) {
return mathRegistry.contains(name);
}
@Override
public T get(@NotNull String name) {
return mathRegistry.get(name);
}
@Override
public T getById(@NotNull Integer id) {
return mathRegistry.getById(id);
}
}

84
core/src/main/java/org/solovyev/android/calculator/AbstractNumberBuilder.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator;
import jscl.NumeralBase;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.android.calculator.math.MathType;
import org.solovyev.common.text.StringUtils;
/**
* User: serso
* Date: 12/15/11
* Time: 9:01 PM
*/
public abstract class AbstractNumberBuilder {
@NotNull
protected final CalculatorEngine engine;
@Nullable
protected StringBuilder numberBuilder = null;
@Nullable
protected NumeralBase nb;
protected AbstractNumberBuilder(@NotNull CalculatorEngine engine) {
this.engine = engine;
this.nb = engine.getNumeralBase();
}
/**
* Method determines if we can continue to process current number
*
* @param mathTypeResult current math type result
* @return true if we can continue of processing of current number, if false - new number should be constructed
*/
protected boolean canContinue(@NotNull MathType.Result mathTypeResult) {
boolean result = mathTypeResult.getMathType().getGroupType() == MathType.MathGroupType.number &&
!spaceBefore(mathTypeResult) &&
numeralBaseCheck(mathTypeResult) &&
numeralBaseInTheStart(mathTypeResult.getMathType()) || isSignAfterE(mathTypeResult);
return result;
}
private boolean spaceBefore(@NotNull MathType.Result mathTypeResult) {
return numberBuilder == null && StringUtils.isEmpty(mathTypeResult.getMatch().trim());
}
private boolean numeralBaseInTheStart(@NotNull MathType mathType) {
return mathType != MathType.numeral_base || numberBuilder == null;
}
private boolean numeralBaseCheck(@NotNull MathType.Result mathType) {
return mathType.getMathType() != MathType.digit || getNumeralBase().getAcceptableCharacters().contains(mathType.getMatch().charAt(0));
}
private boolean isSignAfterE(@NotNull MathType.Result mathTypeResult) {
if (!isHexMode()) {
if ("-".equals(mathTypeResult.getMatch()) || "+".equals(mathTypeResult.getMatch())) {
final StringBuilder localNb = numberBuilder;
if (localNb != null && localNb.length() > 0) {
if (localNb.charAt(localNb.length() - 1) == MathType.POWER_10) {
return true;
}
}
}
}
return false;
}
public boolean isHexMode() {
return nb == NumeralBase.hex || (nb == null && engine.getNumeralBase() == NumeralBase.hex);
}
@NotNull
protected NumeralBase getNumeralBase() {
return nb == null ? engine.getNumeralBase() : nb;
}
}

74
core/src/main/java/org/solovyev/android/calculator/Calculator.java Normal file
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package org.solovyev.android.calculator;
import jscl.NumeralBase;
import jscl.math.Generic;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.android.calculator.history.CalculatorHistoryState;
import org.solovyev.android.calculator.jscl.JsclOperation;
import org.solovyev.common.history.HistoryControl;
/**
* User: Solovyev_S
* Date: 20.09.12
* Time: 16:38
*/
public interface Calculator extends CalculatorEventContainer, HistoryControl<CalculatorHistoryState> {
void init();
/*
**********************************************************************
*
* CALCULATIONS
*
**********************************************************************
*/
void evaluate();
void evaluate(@NotNull Long sequenceId);
void simplify();
@NotNull
CalculatorEventData evaluate(@NotNull JsclOperation operation,
@NotNull String expression);
@NotNull
CalculatorEventData evaluate(@NotNull JsclOperation operation,
@NotNull String expression,
@NotNull Long sequenceId);
/*
**********************************************************************
*
* CONVERSION
*
**********************************************************************
*/
boolean isConversionPossible(@NotNull Generic generic, @NotNull NumeralBase from, @NotNull NumeralBase to);
@NotNull
CalculatorEventData convert(@NotNull Generic generic, @NotNull NumeralBase to);
/*
**********************************************************************
*
* EVENTS
*
**********************************************************************
*/
@NotNull
CalculatorEventData fireCalculatorEvent(@NotNull CalculatorEventType calculatorEventType, @Nullable Object data);
@NotNull
CalculatorEventData fireCalculatorEvent(@NotNull CalculatorEventType calculatorEventType, @Nullable Object data, @NotNull Object source);
@NotNull
CalculatorEventData fireCalculatorEvent(@NotNull CalculatorEventType calculatorEventType, @Nullable Object data, @NotNull Long sequenceId);
@NotNull
PreparedExpression prepareExpression(@NotNull String expression) throws CalculatorParseException;
}

13
core/src/main/java/org/solovyev/android/calculator/CalculatorButtonActions.java Normal file
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package org.solovyev.android.calculator;
/**
* User: Solovyev_S
* Date: 19.10.12
* Time: 17:31
*/
public final class CalculatorButtonActions {
private CalculatorButtonActions() {
throw new AssertionError();
}
}

19
core/src/main/java/org/solovyev/android/calculator/CalculatorClipboard.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* User: serso
* Date: 9/22/12
* Time: 1:34 PM
*/
public interface CalculatorClipboard {
@Nullable
String getText();
void setText(@NotNull String text);
void setText(@NotNull CharSequence text);
}

26
core/src/main/java/org/solovyev/android/calculator/CalculatorConversionEventData.java Normal file
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package org.solovyev.android.calculator;
import jscl.NumeralBase;
import jscl.math.Generic;
import org.jetbrains.annotations.NotNull;
/**
* User: Solovyev_S
* Date: 24.09.12
* Time: 16:45
*/
public interface CalculatorConversionEventData extends CalculatorEventData {
// display state on the moment of conversion
@NotNull
CalculatorDisplayViewState getDisplayState();
@NotNull
NumeralBase getFromNumeralBase();
@NotNull
NumeralBase getToNumeralBase();
@NotNull
Generic getValue();
}

103
core/src/main/java/org/solovyev/android/calculator/CalculatorConversionEventDataImpl.java Normal file
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package org.solovyev.android.calculator;
import jscl.NumeralBase;
import jscl.math.Generic;
import org.jetbrains.annotations.NotNull;
/**
* User: Solovyev_S
* Date: 24.09.12
* Time: 16:48
*/
public class CalculatorConversionEventDataImpl implements CalculatorConversionEventData {
@NotNull
private CalculatorEventData calculatorEventData;
@NotNull
private NumeralBase fromNumeralBase;
@NotNull
private NumeralBase toNumeralBase;
@NotNull
private Generic value;
@NotNull
private CalculatorDisplayViewState displayState;
private CalculatorConversionEventDataImpl() {
}
@NotNull
public static CalculatorConversionEventData newInstance(@NotNull CalculatorEventData calculatorEventData,
@NotNull Generic value,
@NotNull NumeralBase from,
@NotNull NumeralBase to,
@NotNull CalculatorDisplayViewState displayViewState) {
final CalculatorConversionEventDataImpl result = new CalculatorConversionEventDataImpl();
result.calculatorEventData = calculatorEventData;
result.value = value;
result.displayState = displayViewState;
result.fromNumeralBase = from;
result.toNumeralBase = to;
return result;
}
@Override
public long getEventId() {
return calculatorEventData.getEventId();
}
@Override
@NotNull
public Long getSequenceId() {
return calculatorEventData.getSequenceId();
}
@Override
public Object getSource() {
return calculatorEventData.getSource();
}
@Override
public boolean isAfter(@NotNull CalculatorEventData that) {
return calculatorEventData.isAfter(that);
}
@Override
public boolean isSameSequence(@NotNull CalculatorEventData that) {
return calculatorEventData.isSameSequence(that);
}
@Override
public boolean isAfterSequence(@NotNull CalculatorEventData that) {
return calculatorEventData.isAfterSequence(that);
}
@NotNull
@Override
public CalculatorDisplayViewState getDisplayState() {
return this.displayState;
}
@Override
@NotNull
public NumeralBase getFromNumeralBase() {
return fromNumeralBase;
}
@Override
@NotNull
public NumeralBase getToNumeralBase() {
return toNumeralBase;
}
@Override
@NotNull
public Generic getValue() {
return value;
}
}

31
core/src/main/java/org/solovyev/android/calculator/CalculatorDisplay.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* User: serso
* Date: 12/17/11
* Time: 9:45 PM
*/
public interface CalculatorDisplay extends CalculatorEventListener {
void setView(@Nullable CalculatorDisplayView view);
@Nullable
CalculatorDisplayView getView();
@NotNull
CalculatorDisplayViewState getViewState();
void setViewState(@NotNull CalculatorDisplayViewState viewState);
@NotNull
CalculatorEventData getLastEventData();
}

9
core/src/main/java/org/solovyev/android/calculator/CalculatorDisplayChangeEventData.java Normal file
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package org.solovyev.android.calculator;
/**
* User: serso
* Date: 9/21/12
* Time: 9:49 PM
*/
public interface CalculatorDisplayChangeEventData extends Change<CalculatorDisplayViewState> {
}

34
core/src/main/java/org/solovyev/android/calculator/CalculatorDisplayChangeEventDataImpl.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
/**
* User: serso
* Date: 9/21/12
* Time: 9:50 PM
*/
public class CalculatorDisplayChangeEventDataImpl implements CalculatorDisplayChangeEventData {
@NotNull
private final CalculatorDisplayViewState oldState;
@NotNull
private final CalculatorDisplayViewState newState;
public CalculatorDisplayChangeEventDataImpl(@NotNull CalculatorDisplayViewState oldState, @NotNull CalculatorDisplayViewState newState) {
this.oldState = oldState;
this.newState = newState;
}
@NotNull
@Override
public CalculatorDisplayViewState getOldValue() {
return this.oldState;
}
@NotNull
@Override
public CalculatorDisplayViewState getNewValue() {
return this.newState;
}
}

169
core/src/main/java/org/solovyev/android/calculator/CalculatorDisplayImpl.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import static org.solovyev.android.calculator.CalculatorEventType.*;
/**
* User: serso
* Date: 9/20/12
* Time: 8:24 PM
*/
public class CalculatorDisplayImpl implements CalculatorDisplay {
@NotNull
private final CalculatorEventHolder lastEvent;
@Nullable
private CalculatorDisplayView view;
@NotNull
private final Object viewLock = new Object();
@NotNull
private CalculatorDisplayViewState viewState = CalculatorDisplayViewStateImpl.newDefaultInstance();
@NotNull
private final Calculator calculator;
public CalculatorDisplayImpl(@NotNull Calculator calculator) {
this.calculator = calculator;
this.lastEvent = new CalculatorEventHolder(CalculatorUtils.createFirstEventDataId());
this.calculator.addCalculatorEventListener(this);
}
@Override
public void setView(@Nullable CalculatorDisplayView view) {
synchronized (viewLock) {
this.view = view;
if (view != null) {
this.view.setState(viewState);
}
}
}
@Nullable
@Override
public CalculatorDisplayView getView() {
return this.view;
}
@NotNull
@Override
public CalculatorDisplayViewState getViewState() {
return this.viewState;
}
@Override
public void setViewState(@NotNull CalculatorDisplayViewState newViewState) {
synchronized (viewLock) {
final CalculatorDisplayViewState oldViewState = setViewState0(newViewState);
this.calculator.fireCalculatorEvent(display_state_changed, new CalculatorDisplayChangeEventDataImpl(oldViewState, newViewState));
}
}
private void setViewStateForSequence(@NotNull CalculatorDisplayViewState newViewState, @NotNull Long sequenceId) {
synchronized (viewLock) {
final CalculatorDisplayViewState oldViewState = setViewState0(newViewState);
this.calculator.fireCalculatorEvent(display_state_changed, new CalculatorDisplayChangeEventDataImpl(oldViewState, newViewState), sequenceId);
}
}
// must be synchronized with viewLock
@NotNull
private CalculatorDisplayViewState setViewState0(@NotNull CalculatorDisplayViewState newViewState) {
final CalculatorDisplayViewState oldViewState = this.viewState;
this.viewState = newViewState;
if (this.view != null) {
this.view.setState(newViewState);
}
return oldViewState;
}
@Override
@NotNull
public CalculatorEventData getLastEventData() {
return lastEvent.getLastEventData();
}
@Override
public void onCalculatorEvent(@NotNull CalculatorEventData calculatorEventData,
@NotNull CalculatorEventType calculatorEventType,
@Nullable Object data) {
if (calculatorEventType.isOfType(calculation_result, calculation_failed, calculation_cancelled, conversion_result, conversion_failed)) {
final CalculatorEventHolder.Result result = lastEvent.apply(calculatorEventData);
if (result.isNewAfter()) {
switch (calculatorEventType) {
case conversion_failed:
processConversationFailed((CalculatorConversionEventData) calculatorEventData, (ConversionFailure) data);
break;
case conversion_result:
processConversationResult((CalculatorConversionEventData)calculatorEventData, (String)data);
break;
case calculation_result:
processCalculationResult((CalculatorEvaluationEventData) calculatorEventData, (CalculatorOutput) data);
break;
case calculation_cancelled:
processCalculationCancelled((CalculatorEvaluationEventData)calculatorEventData);
break;
case calculation_failed:
processCalculationFailed((CalculatorEvaluationEventData)calculatorEventData, (CalculatorFailure) data);
break;
}
}
}
}
private void processConversationFailed(@NotNull CalculatorConversionEventData calculatorEventData,
@NotNull ConversionFailure data) {
this.setViewStateForSequence(CalculatorDisplayViewStateImpl.newErrorState(calculatorEventData.getDisplayState().getOperation(), CalculatorMessages.getBundle().getString(CalculatorMessages.syntax_error)), calculatorEventData.getSequenceId());
}
private void processCalculationFailed(@NotNull CalculatorEvaluationEventData calculatorEventData, @NotNull CalculatorFailure data) {
final CalculatorEvalException calculatorEvalException = data.getCalculationEvalException();
final String errorMessage;
if (calculatorEvalException != null) {
errorMessage = CalculatorMessages.getBundle().getString(CalculatorMessages.syntax_error);
} else {
final CalculatorParseException calculationParseException = data.getCalculationParseException();
if (calculationParseException != null) {
errorMessage = calculationParseException.getLocalizedMessage();
} else {
errorMessage = CalculatorMessages.getBundle().getString(CalculatorMessages.syntax_error);
}
}
this.setViewStateForSequence(CalculatorDisplayViewStateImpl.newErrorState(calculatorEventData.getOperation(), errorMessage), calculatorEventData.getSequenceId());
}
private void processCalculationCancelled(@NotNull CalculatorEvaluationEventData calculatorEventData) {
final String errorMessage = CalculatorMessages.getBundle().getString(CalculatorMessages.syntax_error);
this.setViewStateForSequence(CalculatorDisplayViewStateImpl.newErrorState(calculatorEventData.getOperation(), errorMessage), calculatorEventData.getSequenceId());
}
private void processCalculationResult(@NotNull CalculatorEvaluationEventData calculatorEventData, @NotNull CalculatorOutput data) {
final String stringResult = data.getStringResult();
this.setViewStateForSequence(CalculatorDisplayViewStateImpl.newValidState(calculatorEventData.getOperation(), data.getResult(), stringResult, 0), calculatorEventData.getSequenceId());
}
private void processConversationResult(@NotNull CalculatorConversionEventData calculatorEventData, @NotNull String result) {
// add prefix
if (calculatorEventData.getFromNumeralBase() != calculatorEventData.getToNumeralBase()) {
result = calculatorEventData.getToNumeralBase().getJsclPrefix() + result;
}
final CalculatorDisplayViewState displayState = calculatorEventData.getDisplayState();
this.setViewStateForSequence(CalculatorDisplayViewStateImpl.newValidState(displayState.getOperation(), displayState.getResult(), result, 0), calculatorEventData.getSequenceId());
}
}

16
core/src/main/java/org/solovyev/android/calculator/CalculatorDisplayView.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
/**
* User: serso
* Date: 9/20/12
* Time: 8:25 PM
*/
public interface CalculatorDisplayView {
void setState(@NotNull CalculatorDisplayViewState state);
@NotNull
CalculatorDisplayViewState getState();
}

35
core/src/main/java/org/solovyev/android/calculator/CalculatorDisplayViewState.java Normal file
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package org.solovyev.android.calculator;
import jscl.math.Generic;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.android.calculator.jscl.JsclOperation;
import java.io.Serializable;
/**
* User: serso
* Date: 9/20/12
* Time: 9:50 PM
*/
public interface CalculatorDisplayViewState extends Serializable {
@NotNull
String getText();
int getSelection();
@Nullable
Generic getResult();
boolean isValid();
@Nullable
String getErrorMessage();
@NotNull
JsclOperation getOperation();
@Nullable
String getStringResult();
}

128
core/src/main/java/org/solovyev/android/calculator/CalculatorDisplayViewStateImpl.java Normal file
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package org.solovyev.android.calculator;
import jscl.math.Generic;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.android.calculator.jscl.JsclOperation;
import org.solovyev.common.text.StringUtils;
/**
* User: serso
* Date: 9/20/12
* Time: 9:50 PM
*/
public class CalculatorDisplayViewStateImpl implements CalculatorDisplayViewState {
/*
**********************************************************************
*
* FIELDS
*
**********************************************************************
*/
@NotNull
private JsclOperation operation = JsclOperation.numeric;
@Nullable
private transient Generic result;
@Nullable
private String stringResult = "";
private boolean valid = true;
@Nullable
private String errorMessage;
private int selection = 0;
/*
**********************************************************************
*
* CONSTRUCTORS
*
**********************************************************************
*/
private CalculatorDisplayViewStateImpl() {
}
@NotNull
public static CalculatorDisplayViewState newDefaultInstance() {
return new CalculatorDisplayViewStateImpl();
}
@NotNull
public static CalculatorDisplayViewState newErrorState(@NotNull JsclOperation operation,
@NotNull String errorMessage) {
final CalculatorDisplayViewStateImpl calculatorDisplayState = new CalculatorDisplayViewStateImpl();
calculatorDisplayState.valid = false;
calculatorDisplayState.errorMessage = errorMessage;
calculatorDisplayState.operation = operation;
return calculatorDisplayState;
}
@NotNull
public static CalculatorDisplayViewState newValidState(@NotNull JsclOperation operation,
@Nullable Generic result,
@NotNull String stringResult,
int selection) {
final CalculatorDisplayViewStateImpl calculatorDisplayState = new CalculatorDisplayViewStateImpl();
calculatorDisplayState.valid = true;
calculatorDisplayState.result = result;
calculatorDisplayState.stringResult = stringResult;
calculatorDisplayState.operation = operation;
calculatorDisplayState.selection = selection;
return calculatorDisplayState;
}
/*
**********************************************************************
*
* METHODS
*
**********************************************************************
*/
@NotNull
@Override
public String getText() {
return StringUtils.getNotEmpty(isValid() ? stringResult : errorMessage, "");
}
@Override
public int getSelection() {
return selection;
}
@Nullable
@Override
public Generic getResult() {
return this.result;
}
@Override
public boolean isValid() {
return this.valid;
}
@Nullable
@Override
public String getErrorMessage() {
return this.errorMessage;
}
@Override
@Nullable
public String getStringResult() {
return stringResult;
}
@NotNull
@Override
public JsclOperation getOperation() {
return this.operation;
}
}

89
core/src/main/java/org/solovyev/android/calculator/CalculatorEditor.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.common.gui.CursorControl;
/**
* User: Solovyev_S
* Date: 21.09.12
* Time: 11:47
*/
public interface CalculatorEditor extends CalculatorEventListener {
void setView(@Nullable CalculatorEditorView view);
@NotNull
CalculatorEditorViewState getViewState();
// updates state of view (view.setState())
void updateViewState();
void setViewState(@NotNull CalculatorEditorViewState viewState);
/*
**********************************************************************
*
* CURSOR CONTROL
*
**********************************************************************
*/
/**
* Method sets the cursor to the beginning
*/
@NotNull
public CalculatorEditorViewState setCursorOnStart();
/**
* Method sets the cursor to the end
*/
@NotNull
public CalculatorEditorViewState setCursorOnEnd();
/**
* Method moves cursor to the left of current position
*/
@NotNull
public CalculatorEditorViewState moveCursorLeft();
/**
* Method moves cursor to the right of current position
*/
@NotNull
public CalculatorEditorViewState moveCursorRight();
@NotNull
CursorControl asCursorControl();
/*
**********************************************************************
*
* EDITOR OPERATIONS
*
**********************************************************************
*/
@NotNull
CalculatorEditorViewState erase();
@NotNull
CalculatorEditorViewState clear();
@NotNull
CalculatorEditorViewState setText(@NotNull String text);
@NotNull
CalculatorEditorViewState setText(@NotNull String text, int selection);
@NotNull
CalculatorEditorViewState insert(@NotNull String text);
@NotNull
CalculatorEditorViewState insert(@NotNull String text, int selectionOffset);
@NotNull
CalculatorEditorViewState moveSelection(int offset);
@NotNull
CalculatorEditorViewState setSelection(int selection);
}

9
core/src/main/java/org/solovyev/android/calculator/CalculatorEditorChangeEventData.java Normal file
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package org.solovyev.android.calculator;
/**
* User: Solovyev_S
* Date: 21.09.12
* Time: 13:46
*/
public interface CalculatorEditorChangeEventData extends Change<CalculatorEditorViewState>{
}

35
core/src/main/java/org/solovyev/android/calculator/CalculatorEditorChangeEventDataImpl.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
/**
* User: Solovyev_S
* Date: 21.09.12
* Time: 13:46
*/
public class CalculatorEditorChangeEventDataImpl implements CalculatorEditorChangeEventData {
@NotNull
private CalculatorEditorViewState oldState;
@NotNull
private CalculatorEditorViewState newState;
public CalculatorEditorChangeEventDataImpl(@NotNull CalculatorEditorViewState oldState,
@NotNull CalculatorEditorViewState newState) {
this.oldState = oldState;
this.newState = newState;
}
@NotNull
@Override
public CalculatorEditorViewState getOldValue() {
return this.oldState;
}
@NotNull
@Override
public CalculatorEditorViewState getNewValue() {
return this.newState;
}
}

311
core/src/main/java/org/solovyev/android/calculator/CalculatorEditorImpl.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.android.calculator.history.CalculatorHistoryState;
import org.solovyev.android.calculator.history.EditorHistoryState;
import org.solovyev.common.gui.CursorControl;
import org.solovyev.common.text.StringUtils;
/**
* User: Solovyev_S
* Date: 21.09.12
* Time: 11:53
*/
public class CalculatorEditorImpl implements CalculatorEditor {
@Nullable
private CalculatorEditorView view;
@NotNull
private final Object viewLock = new Object();
@NotNull
private CalculatorEditorViewState lastViewState = CalculatorEditorViewStateImpl.newDefaultInstance();
@NotNull
private final Calculator calculator;
@NotNull
private final CalculatorEventHolder lastEventHolder;
@NotNull
private final CursorControlAdapter cursorControlAdapter = new CursorControlAdapter(this);
public CalculatorEditorImpl(@NotNull Calculator calculator) {
this.calculator = calculator;
this.calculator.addCalculatorEventListener(this);
this.lastEventHolder = new CalculatorEventHolder(CalculatorUtils.createFirstEventDataId());
}
@Override
public void setView(@Nullable CalculatorEditorView view) {
synchronized (viewLock) {
this.view = view;
if ( view != null ) {
view.setState(lastViewState);
}
}
}
@NotNull
@Override
public CalculatorEditorViewState getViewState() {
return lastViewState;
}
@Override
public void updateViewState() {
setViewState(this.lastViewState, false);
}
@Override
public void setViewState(@NotNull CalculatorEditorViewState newViewState) {
setViewState(newViewState, true);
}
private void setViewState(@NotNull CalculatorEditorViewState newViewState, boolean majorChanges) {
synchronized (viewLock) {
final CalculatorEditorViewState oldViewState = this.lastViewState;
this.lastViewState = newViewState;
if (this.view != null) {
this.view.setState(newViewState);
}
if (majorChanges) {
calculator.fireCalculatorEvent(CalculatorEventType.editor_state_changed, new CalculatorEditorChangeEventDataImpl(oldViewState, newViewState));
} else {
calculator.fireCalculatorEvent(CalculatorEventType.editor_state_changed_light, new CalculatorEditorChangeEventDataImpl(oldViewState, newViewState));
}
}
}
@Override
public void onCalculatorEvent(@NotNull CalculatorEventData calculatorEventData,
@NotNull CalculatorEventType calculatorEventType,
@Nullable Object data) {
final CalculatorEventHolder.Result result = lastEventHolder.apply(calculatorEventData);
if (result.isNewAfter()) {
switch (calculatorEventType) {
case use_history_state:
final CalculatorHistoryState calculatorHistoryState = (CalculatorHistoryState)data;
final EditorHistoryState editorState = calculatorHistoryState.getEditorState();
this.setText(StringUtils.getNotEmpty(editorState.getText(), ""), editorState.getCursorPosition());
break;
}
}
}
/*
**********************************************************************
*
* SELECTION
*
**********************************************************************
*/
@NotNull
private CalculatorEditorViewState newSelectionViewState(int newSelection) {
if (this.lastViewState.getSelection() != newSelection) {
final CalculatorEditorViewState result = CalculatorEditorViewStateImpl.newSelection(this.lastViewState, newSelection);
setViewState(result, false);
return result;
} else {
return this.lastViewState;
}
}
@NotNull
public CalculatorEditorViewState setCursorOnStart() {
synchronized (viewLock) {
return newSelectionViewState(0);
}
}
@NotNull
public CalculatorEditorViewState setCursorOnEnd() {
synchronized (viewLock) {
return newSelectionViewState(this.lastViewState.getText().length());
}
}
@NotNull
public CalculatorEditorViewState moveCursorLeft() {
synchronized (viewLock) {
if (this.lastViewState.getSelection() > 0) {
return newSelectionViewState(this.lastViewState.getSelection() - 1);
} else {
return this.lastViewState;
}
}
}
@NotNull
public CalculatorEditorViewState moveCursorRight() {
synchronized (viewLock) {
if (this.lastViewState.getSelection() < this.lastViewState.getText().length()) {
return newSelectionViewState(this.lastViewState.getSelection() + 1);
} else {
return this.lastViewState;
}
}
}
@NotNull
@Override
public CursorControl asCursorControl() {
return cursorControlAdapter;
}
/*
**********************************************************************
*
* EDITOR ACTIONS
*
**********************************************************************
*/
@NotNull
@Override
public CalculatorEditorViewState erase() {
synchronized (viewLock) {
int selection = this.lastViewState.getSelection();
final String text = this.lastViewState.getText();
if (selection > 0 && text.length() > 0 && selection <= text.length()) {
final StringBuilder newText = new StringBuilder(text.length() - 1);
newText.append(text.substring(0, selection - 1)).append(text.substring(selection, text.length()));
final CalculatorEditorViewState result = CalculatorEditorViewStateImpl.newInstance(newText.toString(), selection - 1);
setViewState(result);
return result;
} else {
return this.lastViewState;
}
}
}
@NotNull
@Override
public CalculatorEditorViewState clear() {
synchronized (viewLock) {
return setText("");
}
}
@NotNull
@Override
public CalculatorEditorViewState setText(@NotNull String text) {
synchronized (viewLock) {
final CalculatorEditorViewState result = CalculatorEditorViewStateImpl.newInstance(text, text.length());
setViewState(result);
return result;
}
}
@NotNull
@Override
public CalculatorEditorViewState setText(@NotNull String text, int selection) {
synchronized (viewLock) {
selection = correctSelection(selection, text);
final CalculatorEditorViewState result = CalculatorEditorViewStateImpl.newInstance(text, selection);
setViewState(result);
return result;
}
}
@NotNull
@Override
public CalculatorEditorViewState insert(@NotNull String text) {
synchronized (viewLock) {
return insert(text, 0);
}
}
@NotNull
@Override
public CalculatorEditorViewState insert(@NotNull String text, int selectionOffset) {
synchronized (viewLock) {
final int selection = this.lastViewState.getSelection();
final String oldText = this.lastViewState.getText();
int newTextLength = text.length() + oldText.length();
final StringBuilder newText = new StringBuilder(newTextLength);
newText.append(oldText.substring(0, selection));
newText.append(text);
newText.append(oldText.substring(selection));
int newSelection = correctSelection(text.length() + selection + selectionOffset, newTextLength);
final CalculatorEditorViewState result = CalculatorEditorViewStateImpl.newInstance(newText.toString(), newSelection);
setViewState(result);
return result;
}
}
@NotNull
@Override
public CalculatorEditorViewState moveSelection(int offset) {
synchronized (viewLock) {
int selection = this.lastViewState.getSelection() + offset;
return setSelection(selection);
}
}
@NotNull
@Override
public CalculatorEditorViewState setSelection(int selection) {
synchronized (viewLock) {
selection = correctSelection(selection, this.lastViewState.getText());
final CalculatorEditorViewState result = CalculatorEditorViewStateImpl.newSelection(this.lastViewState, selection);
setViewState(result, false);
return result;
}
}
private int correctSelection(int selection, @NotNull String text) {
return correctSelection(selection, text.length());
}
private int correctSelection(int selection, int textLength) {
int result = Math.max(selection, 0);
result = Math.min(result, textLength);
return result;
}
private static final class CursorControlAdapter implements CursorControl {
@NotNull
private final CalculatorEditor calculatorEditor;
private CursorControlAdapter(@NotNull CalculatorEditor calculatorEditor) {
this.calculatorEditor = calculatorEditor;
}
@Override
public void setCursorOnStart() {
this.calculatorEditor.setCursorOnStart();
}
@Override
public void setCursorOnEnd() {
this.calculatorEditor.setCursorOnEnd();
}
@Override
public void moveCursorLeft() {
this.calculatorEditor.moveCursorLeft();
}
@Override
public void moveCursorRight() {
this.calculatorEditor.moveCursorRight();
}
}
}

13
core/src/main/java/org/solovyev/android/calculator/CalculatorEditorView.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
/**
* User: Solovyev_S
* Date: 21.09.12
* Time: 11:48
*/
public interface CalculatorEditorView {
void setState(@NotNull CalculatorEditorViewState viewState);
}

18
core/src/main/java/org/solovyev/android/calculator/CalculatorEditorViewState.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import java.io.Serializable;
/**
* User: Solovyev_S
* Date: 21.09.12
* Time: 11:48
*/
public interface CalculatorEditorViewState extends Serializable {
@NotNull
String getText();
int getSelection();
}

57
core/src/main/java/org/solovyev/android/calculator/CalculatorEditorViewStateImpl.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
/**
* User: Solovyev_S
* Date: 21.09.12
* Time: 12:02
*/
public class CalculatorEditorViewStateImpl implements CalculatorEditorViewState {
@NotNull
private String text = "";
private int selection = 0;
private CalculatorEditorViewStateImpl() {
}
public CalculatorEditorViewStateImpl(@NotNull CalculatorEditorViewState viewState) {
this.text = viewState.getText();
this.selection = viewState.getSelection();
}
@NotNull
@Override
public String getText() {
return this.text;
}
@Override
public int getSelection() {
return this.selection;
}
@NotNull
public static CalculatorEditorViewState newDefaultInstance() {
return new CalculatorEditorViewStateImpl();
}
@NotNull
public static CalculatorEditorViewState newSelection(@NotNull CalculatorEditorViewState viewState, int newSelection) {
final CalculatorEditorViewStateImpl result = new CalculatorEditorViewStateImpl(viewState);
result.selection = newSelection;
return result;
}
@NotNull
public static CalculatorEditorViewState newInstance(@NotNull String text, int selection) {
final CalculatorEditorViewStateImpl result = new CalculatorEditorViewStateImpl();
result.text = text;
result.selection = selection;
return result;
}
}

97
core/src/main/java/org/solovyev/android/calculator/CalculatorEngine.java Normal file
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package org.solovyev.android.calculator;
import jscl.AngleUnit;
import jscl.MathEngine;
import jscl.NumeralBase;
import jscl.math.function.Function;
import jscl.math.function.IConstant;
import jscl.math.operator.Operator;
import org.jetbrains.annotations.NotNull;
import java.text.DecimalFormatSymbols;
/**
* User: Solovyev_S
* Date: 20.09.12
* Time: 12:43
*/
public interface CalculatorEngine {
/*
**********************************************************************
*
* INIT
*
**********************************************************************
*/
void init();
void reset();
void softReset();
/*
**********************************************************************
*
* REGISTRIES
*
**********************************************************************
*/
@NotNull
CalculatorMathRegistry<IConstant> getVarsRegistry();
@NotNull
CalculatorMathRegistry<Function> getFunctionsRegistry();
@NotNull
CalculatorMathRegistry<Operator> getOperatorsRegistry();
@NotNull
CalculatorMathRegistry<Operator> getPostfixFunctionsRegistry();
@NotNull
CalculatorMathEngine getMathEngine();
@Deprecated
@NotNull
MathEngine getMathEngine0();
/*
**********************************************************************
*
* PREFERENCES
*
**********************************************************************
*/
@NotNull
String getMultiplicationSign();
void setUseGroupingSeparator(boolean useGroupingSeparator);
void setGroupingSeparator(char groupingSeparator);
void setPrecision(@NotNull Integer precision);
void setRoundResult(@NotNull Boolean round);
@NotNull
AngleUnit getAngleUnits();
void setAngleUnits(@NotNull AngleUnit angleUnits);
@NotNull
NumeralBase getNumeralBase();
void setNumeralBase(@NotNull NumeralBase numeralBase);
void setMultiplicationSign(@NotNull String multiplicationSign);
void setScienceNotation(@NotNull Boolean scienceNotation);
void setTimeout(@NotNull Integer timeout);
void setDecimalGroupSymbols(@NotNull DecimalFormatSymbols decimalGroupSymbols);
}

19
core/src/main/java/org/solovyev/android/calculator/CalculatorEngineControl.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator;
/**
* User: serso
* Date: 10/24/11
* Time: 9:55 PM
*/
public interface CalculatorEngineControl {
void evaluate();
void simplify();
}

320
core/src/main/java/org/solovyev/android/calculator/CalculatorEngineImpl.java Normal file
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package org.solovyev.android.calculator;
import jscl.AngleUnit;
import jscl.JsclMathEngine;
import jscl.MathEngine;
import jscl.NumeralBase;
import jscl.math.Generic;
import jscl.math.function.Function;
import jscl.math.function.IConstant;
import jscl.math.operator.Operator;
import jscl.text.ParseException;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.text.DecimalFormatSymbols;
/**
* User: serso
* Date: 9/23/12
* Time: 5:34 PM
*/
public class CalculatorEngineImpl implements CalculatorEngine {
/*
**********************************************************************
*
* CONSTANTS
*
**********************************************************************
*/
private static final String MULTIPLICATION_SIGN_DEFAULT = "×";
private static final String MAX_CALCULATION_TIME_DEFAULT = "5";
/*
**********************************************************************
*
* ENGINE/REGISTRIES
*
**********************************************************************
*/
@NotNull
private final MathEngine engine;
@NotNull
private final CalculatorMathEngine mathEngine;
@NotNull
private final CalculatorMathRegistry<IConstant> varsRegistry;
@NotNull
private final CalculatorMathRegistry<Function> functionsRegistry;
@NotNull
private final CalculatorMathRegistry<Operator> operatorsRegistry;
@NotNull
private final CalculatorMathRegistry<Operator> postfixFunctionsRegistry;
@NotNull
private final Object lock;
/*
**********************************************************************
*
* PREFERENCES
*
**********************************************************************
*/
private int timeout = Integer.valueOf(MAX_CALCULATION_TIME_DEFAULT);
@NotNull
private String multiplicationSign = MULTIPLICATION_SIGN_DEFAULT;
public CalculatorEngineImpl(@NotNull JsclMathEngine engine,
@NotNull CalculatorMathRegistry<IConstant> varsRegistry,
@NotNull CalculatorMathRegistry<Function> functionsRegistry,
@NotNull CalculatorMathRegistry<Operator> operatorsRegistry,
@NotNull CalculatorMathRegistry<Operator> postfixFunctionsRegistry,
@Nullable Object lock) {
this.engine = engine;
this.mathEngine = new JsclCalculatorMathEngine(engine);
this.engine.setRoundResult(true);
this.engine.setUseGroupingSeparator(true);
this.varsRegistry = varsRegistry;
this.functionsRegistry = functionsRegistry;
this.operatorsRegistry = operatorsRegistry;
this.postfixFunctionsRegistry = postfixFunctionsRegistry;
this.lock = lock == null ? new Object() : lock;
}
/*
**********************************************************************
*
* REGISTRIES
*
**********************************************************************
*/
@NotNull
@Override
public CalculatorMathRegistry<IConstant> getVarsRegistry() {
return this.varsRegistry;
}
@NotNull
@Override
public CalculatorMathRegistry<Function> getFunctionsRegistry() {
return this.functionsRegistry;
}
@NotNull
@Override
public CalculatorMathRegistry<Operator> getOperatorsRegistry() {
return this.operatorsRegistry;
}
@NotNull
@Override
public CalculatorMathRegistry<Operator> getPostfixFunctionsRegistry() {
return this.postfixFunctionsRegistry;
}
@NotNull
@Override
public CalculatorMathEngine getMathEngine() {
return this.mathEngine;
}
@NotNull
@Override
public MathEngine getMathEngine0() {
return this.engine;
}
/*
**********************************************************************
*
* INIT
*
**********************************************************************
*/
@Override
public void init() {
synchronized (lock) {
reset();
}
}
@Override
public void reset() {
synchronized (lock) {
varsRegistry.load();
functionsRegistry.load();
operatorsRegistry.load();
postfixFunctionsRegistry.load();
}
}
@Override
public void softReset() {
Locator.getInstance().getCalculator().fireCalculatorEvent(CalculatorEventType.engine_preferences_changed, null);
}
/*
**********************************************************************
*
* PREFERENCES
*
**********************************************************************
*/
@NotNull
@Override
public String getMultiplicationSign() {
return this.multiplicationSign;
}
@Override
public void setUseGroupingSeparator(boolean useGroupingSeparator) {
synchronized (lock) {
this.engine.setUseGroupingSeparator(true);
}
}
@Override
public void setGroupingSeparator(char groupingSeparator) {
synchronized (lock) {
this.engine.setGroupingSeparator(groupingSeparator);
}
}
@Override
public void setPrecision(@NotNull Integer precision) {
synchronized (lock) {
this.engine.setPrecision(precision);
}
}
@Override
public void setRoundResult(@NotNull Boolean round) {
synchronized (lock) {
this.engine.setRoundResult(round);
}
}
@NotNull
@Override
public AngleUnit getAngleUnits() {
synchronized (lock) {
return this.engine.getAngleUnits();
}
}
@Override
public void setAngleUnits(@NotNull AngleUnit angleUnits) {
synchronized (lock) {
this.engine.setAngleUnits(angleUnits);
}
}
@NotNull
@Override
public NumeralBase getNumeralBase() {
synchronized (lock) {
return this.engine.getNumeralBase();
}
}
@Override
public void setNumeralBase(@NotNull NumeralBase numeralBase) {
synchronized (lock) {
this.engine.setNumeralBase(numeralBase);
}
}
@Override
public void setMultiplicationSign(@NotNull String multiplicationSign) {
this.multiplicationSign = multiplicationSign;
}
@Override
public void setScienceNotation(@NotNull Boolean scienceNotation) {
synchronized (lock) {
this.engine.setScienceNotation(scienceNotation);
}
}
@Override
public void setTimeout(@NotNull Integer timeout) {
this.timeout = timeout;
}
@Override
public void setDecimalGroupSymbols(@NotNull DecimalFormatSymbols decimalGroupSymbols) {
synchronized (lock) {
this.engine.setDecimalGroupSymbols(decimalGroupSymbols);
}
}
/*
**********************************************************************
*
* STATIC CLASSES
*
**********************************************************************
*/
private static final class JsclCalculatorMathEngine implements CalculatorMathEngine {
@NotNull
private final MathEngine mathEngine;
private JsclCalculatorMathEngine(@NotNull MathEngine mathEngine) {
this.mathEngine = mathEngine;
}
@NotNull
@Override
public String evaluate(@NotNull String expression) throws ParseException {
return this.mathEngine.evaluate(expression);
}
@NotNull
@Override
public String simplify(@NotNull String expression) throws ParseException {
return this.mathEngine.simplify(expression);
}
@NotNull
@Override
public String elementary(@NotNull String expression) throws ParseException {
return this.mathEngine.elementary(expression);
}
@NotNull
@Override
public Generic evaluateGeneric(@NotNull String expression) throws ParseException {
return this.mathEngine.evaluateGeneric(expression);
}
@NotNull
@Override
public Generic simplifyGeneric(@NotNull String expression) throws ParseException {
return this.mathEngine.simplifyGeneric(expression);
}
@NotNull
@Override
public Generic elementaryGeneric(@NotNull String expression) throws ParseException {
return this.mathEngine.elementaryGeneric(expression);
}
}
}

72
core/src/main/java/org/solovyev/android/calculator/CalculatorEvalException.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.solovyev.common.exceptions.SersoException;
import org.solovyev.common.msg.Message;
import org.solovyev.common.msg.MessageType;
import java.util.List;
import java.util.Locale;
/**
* User: serso
* Date: 12/8/11
* Time: 1:27 AM
*/
public class CalculatorEvalException extends SersoException implements Message {
@NotNull
private final Message message;
@NotNull
private final String expression;
public CalculatorEvalException(@NotNull Message message, @NotNull Throwable cause, String expression) {
super(cause);
this.message = message;
this.expression = expression;
}
@NotNull
public String getExpression() {
return expression;
}
@NotNull
@Override
public String getMessageCode() {
return this.message.getMessageCode();
}
@NotNull
@Override
public List<Object> getParameters() {
return this.message.getParameters();
}
@NotNull
@Override
public MessageType getMessageType() {
return this.message.getMessageType();
}
@Override
@NotNull
public String getLocalizedMessage() {
return this.message.getLocalizedMessage(Locale.getDefault());
}
@NotNull
@Override
public String getLocalizedMessage(@NotNull Locale locale) {
return this.message.getLocalizedMessage(locale);
}
}

18
core/src/main/java/org/solovyev/android/calculator/CalculatorEvaluationEventData.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.solovyev.android.calculator.jscl.JsclOperation;
/**
* User: serso
* Date: 9/20/12
* Time: 10:00 PM
*/
public interface CalculatorEvaluationEventData extends CalculatorEventData {
@NotNull
JsclOperation getOperation();
@NotNull
String getExpression();
}

72
core/src/main/java/org/solovyev/android/calculator/CalculatorEvaluationEventDataImpl.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.solovyev.android.calculator.jscl.JsclOperation;
/**
* User: serso
* Date: 9/20/12
* Time: 10:01 PM
*/
public class CalculatorEvaluationEventDataImpl implements CalculatorEvaluationEventData {
@NotNull
private final CalculatorEventData calculatorEventData;
@NotNull
private final JsclOperation operation;
@NotNull
private final String expression;
public CalculatorEvaluationEventDataImpl(@NotNull CalculatorEventData calculatorEventData,
@NotNull JsclOperation operation,
@NotNull String expression) {
this.calculatorEventData = calculatorEventData;
this.operation = operation;
this.expression = expression;
}
@NotNull
@Override
public JsclOperation getOperation() {
return this.operation;
}
@NotNull
@Override
public String getExpression() {
return this.expression;
}
@Override
public long getEventId() {
return calculatorEventData.getEventId();
}
@NotNull
@Override
public Long getSequenceId() {
return calculatorEventData.getSequenceId();
}
@Override
public Object getSource() {
return calculatorEventData.getSource();
}
@Override
public boolean isAfter(@NotNull CalculatorEventData that) {
return calculatorEventData.isAfter(that);
}
@Override
public boolean isSameSequence(@NotNull CalculatorEventData that) {
return this.calculatorEventData.isSameSequence(that);
}
@Override
public boolean isAfterSequence(@NotNull CalculatorEventData that) {
return this.calculatorEventData.isAfterSequence(that);
}
}

57
core/src/main/java/org/solovyev/android/calculator/CalculatorEventContainer.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.List;
/**
* User: Solovyev_S
* Date: 20.09.12
* Time: 16:39
*/
public interface CalculatorEventContainer {
void addCalculatorEventListener(@NotNull CalculatorEventListener calculatorEventListener);
void removeCalculatorEventListener(@NotNull CalculatorEventListener calculatorEventListener);
void fireCalculatorEvent(@NotNull CalculatorEventData calculatorEventData, @NotNull CalculatorEventType calculatorEventType, @Nullable Object data);
void fireCalculatorEvents(@NotNull List<CalculatorEvent> calculatorEvents);
public static class CalculatorEvent {
@NotNull
private CalculatorEventData calculatorEventData;
@NotNull
private CalculatorEventType calculatorEventType;
@Nullable
private Object data;
public CalculatorEvent(@NotNull CalculatorEventData calculatorEventData,
@NotNull CalculatorEventType calculatorEventType,
@Nullable Object data) {
this.calculatorEventData = calculatorEventData;
this.calculatorEventType = calculatorEventType;
this.data = data;
}
@NotNull
public CalculatorEventData getCalculatorEventData() {
return calculatorEventData;
}
@NotNull
public CalculatorEventType getCalculatorEventType() {
return calculatorEventType;
}
@Nullable
public Object getData() {
return data;
}
}
}

28
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* User: Solovyev_S
* Date: 20.09.12
* Time: 18:18
*/
public interface CalculatorEventData {
// the higher id => the later event
long getEventId();
// the higher id => the later event
@NotNull
Long getSequenceId();
@Nullable
Object getSource();
boolean isAfter(@NotNull CalculatorEventData that);
boolean isSameSequence(@NotNull CalculatorEventData that);
boolean isAfterSequence(@NotNull CalculatorEventData that);
}

89
core/src/main/java/org/solovyev/android/calculator/CalculatorEventDataImpl.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* User: Solovyev_S
* Date: 20.09.12
* Time: 18:18
*/
class CalculatorEventDataImpl implements CalculatorEventData {
private static final long NO_SEQUENCE = -1L;
private final long eventId;
@NotNull
private Long sequenceId = NO_SEQUENCE;
private final Object source;
private CalculatorEventDataImpl(long id, @NotNull Long sequenceId, @Nullable Object source) {
this.eventId = id;
this.sequenceId = sequenceId;
this.source = source;
}
@NotNull
static CalculatorEventData newInstance(long id, @NotNull Long sequenceId) {
return new CalculatorEventDataImpl(id, sequenceId, null);
}
@NotNull
static CalculatorEventData newInstance(long id, @NotNull Long sequenceId, @NotNull Object source) {
return new CalculatorEventDataImpl(id, sequenceId, source);
}
@Override
public long getEventId() {
return this.eventId;
}
@NotNull
@Override
public Long getSequenceId() {
return this.sequenceId;
}
@Override
public Object getSource() {
return this.source;
}
@Override
public boolean isAfter(@NotNull CalculatorEventData that) {
return this.eventId > that.getEventId();
}
@Override
public boolean isSameSequence(@NotNull CalculatorEventData that) {
return !this.sequenceId.equals(NO_SEQUENCE) && this.sequenceId.equals(that.getSequenceId());
}
@Override
public boolean isAfterSequence(@NotNull CalculatorEventData that) {
return !this.sequenceId.equals(NO_SEQUENCE) && this.sequenceId > that.getSequenceId();
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof CalculatorEventDataImpl)) return false;
CalculatorEventDataImpl that = (CalculatorEventDataImpl) o;
if (eventId != that.eventId) return false;
if (!sequenceId.equals(that.sequenceId))
return false;
return true;
}
@Override
public int hashCode() {
int result = (int) (eventId ^ (eventId >>> 32));
result = 31 * result + (sequenceId.hashCode());
return result;
}
}

78
core/src/main/java/org/solovyev/android/calculator/CalculatorEventHolder.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* User: serso
* Date: 10/9/12
* Time: 9:59 PM
*/
public class CalculatorEventHolder {
@NotNull
private volatile CalculatorEventData lastEventData;
public CalculatorEventHolder(@NotNull CalculatorEventData lastEventData) {
this.lastEventData = lastEventData;
}
@NotNull
public synchronized CalculatorEventData getLastEventData() {
return lastEventData;
}
@NotNull
public synchronized Result apply(@NotNull CalculatorEventData newEventData) {
final Result result = new Result(lastEventData, newEventData);
if (result.isNewAfter()) {
this.lastEventData = newEventData;
}
return result;
}
public static class Result {
@NotNull
private final CalculatorEventData lastEventData;
@NotNull
private final CalculatorEventData newEventData;
@Nullable
private Boolean after = null;
@Nullable
private Boolean sameSequence = null;
public Result(@NotNull CalculatorEventData lastEventData,
@NotNull CalculatorEventData newEventData) {
this.lastEventData = lastEventData;
this.newEventData = newEventData;
}
public boolean isNewAfter() {
if (after == null) {
after = newEventData.isAfter(lastEventData);
}
return after;
}
public boolean isSameSequence() {
if (sameSequence == null) {
sameSequence = newEventData.isSameSequence(lastEventData);
}
return sameSequence;
}
public boolean isNewAfterSequence() {
return newEventData.isAfterSequence(lastEventData);
}
public boolean isNewSameOrAfterSequence() {
return isSameSequence() || isNewAfterSequence();
}
}
}

17
core/src/main/java/org/solovyev/android/calculator/CalculatorEventListener.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.EventListener;
/**
* User: Solovyev_S
* Date: 20.09.12
* Time: 16:39
*/
public interface CalculatorEventListener extends EventListener {
void onCalculatorEvent(@NotNull CalculatorEventData calculatorEventData, @NotNull CalculatorEventType calculatorEventType, @Nullable Object data);
}

168
core/src/main/java/org/solovyev/android/calculator/CalculatorEventType.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
/**
* User: Solovyev_S
* Date: 20.09.12
* Time: 16:40
*/
public enum CalculatorEventType {
/*
**********************************************************************
*
* CALCULATION
* org.solovyev.android.calculator.CalculatorEvaluationEventData
*
**********************************************************************
*/
// @NotNull CalculatorEditorViewState
manual_calculation_requested,
// @NotNull org.solovyev.android.calculator.CalculatorOutput
calculation_result,
calculation_cancelled,
// @NotNull org.solovyev.android.calculator.CalculatorFailure
calculation_failed,
/*
**********************************************************************
*
* CONVERSION
* CalculatorConversionEventData
*
**********************************************************************
*/
conversion_started,
// @NotNull String conversion result
conversion_result,
// @NotNull ConversionFailure
conversion_failed,
conversion_finished,
/*
**********************************************************************
*
* EDITOR
*
**********************************************************************
*/
// @NotNull org.solovyev.android.calculator.CalculatorEditorChangeEventData
editor_state_changed,
editor_state_changed_light,
// @NotNull CalculatorDisplayChangeEventData
display_state_changed,
/*
**********************************************************************
*
* ENGINE
*
**********************************************************************
*/
engine_preferences_changed,
/*
**********************************************************************
*
* HISTORY
*
**********************************************************************
*/
// @NotNull CalculatorHistoryState
history_state_added,
// @NotNull CalculatorHistoryState
use_history_state,
clear_history_requested,
/*
**********************************************************************
*
* MATH ENTITIES
*
**********************************************************************
*/
// @NotNull IConstant
use_constant,
// @NotNull Function
use_function,
// @NotNull Operator
use_operator,
// @NotNull IConstant
constant_added,
// @NotNull Change<IConstant>
constant_changed,
// @NotNull IConstant
constant_removed,
// @NotNull Function
function_removed,
// @NotNull Function
function_added,
// @NotNull Change<IFunction>
function_changed,
/*
**********************************************************************
*
* OTHER
*
**********************************************************************
*/
// List<Message>
calculation_messages,
show_history,
show_history_detached,
show_functions,
show_functions_detached,
show_vars,
show_vars_detached,
open_app,
show_operators,
show_operators_detached,
show_settings,
show_settings_detached,
show_like_dialog;
public boolean isOfType(@NotNull CalculatorEventType... types) {
for (CalculatorEventType type : types) {
if ( this == type ) {
return true;
}
}
return false;
}
}

21
core/src/main/java/org/solovyev/android/calculator/CalculatorFailure.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* User: serso
* Date: 9/20/12
* Time: 7:33 PM
*/
public interface CalculatorFailure {
@NotNull
Exception getException();
@Nullable
CalculatorParseException getCalculationParseException();
@Nullable
CalculatorEvalException getCalculationEvalException();
}

41
core/src/main/java/org/solovyev/android/calculator/CalculatorFailureImpl.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
/**
* User: serso
* Date: 9/20/12
* Time: 7:34 PM
*/
public class CalculatorFailureImpl implements CalculatorFailure {
@NotNull
private Exception exception;
public CalculatorFailureImpl(@NotNull Exception exception) {
this.exception = exception;
}
@NotNull
@Override
public Exception getException() {
return this.exception;
}
@Override
public CalculatorParseException getCalculationParseException() {
return exception instanceof CalculatorParseException ? (CalculatorParseException)exception : null;
}
@Override
public CalculatorEvalException getCalculationEvalException() {
return exception instanceof CalculatorEvalException ? (CalculatorEvalException)exception : null;
}
@Override
public String toString() {
return "CalculatorFailureImpl{" +
"exception=" + exception +
'}';
}
}

57
core/src/main/java/org/solovyev/android/calculator/CalculatorFixableError.java Normal file
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package org.solovyev.android.calculator;
import jscl.AngleUnit;
import jscl.text.msg.Messages;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.common.collections.CollectionsUtils;
import java.util.List;
/**
* User: serso
* Date: 11/17/12
* Time: 7:30 PM
*/
public enum CalculatorFixableError {
must_be_rad(Messages.msg_23, Messages.msg_24, Messages.msg_25) {
@Override
public void fix() {
Locator.getInstance().getPreferenceService().setAngleUnits(AngleUnit.rad);
}
},
preferred_numeral_base() {
@Override
public void fix() {
Locator.getInstance().getPreferenceService().setPreferredNumeralBase();
}
},
preferred_angle_units() {
@Override
public void fix() {
Locator.getInstance().getPreferenceService().setPreferredAngleUnits();
}
};
@NotNull
private final List<String> messageCodes;
CalculatorFixableError(@Nullable String... messageCodes) {
this.messageCodes = CollectionsUtils.asList(messageCodes);
}
@Nullable
public static CalculatorFixableError getErrorByMessageCode(@NotNull String messageCode) {
for (CalculatorFixableError fixableError : values()) {
if (fixableError.messageCodes.contains(messageCode)) {
return fixableError;
}
}
return null;
}
public abstract void fix();
}

131
core/src/main/java/org/solovyev/android/calculator/CalculatorFunctionsMathRegistry.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator;
import jscl.CustomFunctionCalculationException;
import jscl.math.function.CustomFunction;
import jscl.math.function.Function;
import jscl.math.function.IFunction;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.android.calculator.model.AFunction;
import org.solovyev.android.calculator.model.Functions;
import org.solovyev.android.calculator.model.MathEntityBuilder;
import org.solovyev.common.JBuilder;
import org.solovyev.common.math.MathRegistry;
import org.solovyev.common.text.StringUtils;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
/**
* User: serso
* Date: 11/17/11
* Time: 11:28 PM
*/
public class CalculatorFunctionsMathRegistry extends AbstractCalculatorMathRegistry<Function, AFunction> {
@NotNull
private static final Map<String, String> substitutes = new HashMap<String, String>();
static {
substitutes.put("√", "sqrt");
}
@NotNull
private static final String FUNCTION_DESCRIPTION_PREFIX = "c_fun_description_";
public CalculatorFunctionsMathRegistry(@NotNull MathRegistry<Function> functionsRegistry,
@NotNull MathEntityDao<AFunction> mathEntityDao) {
super(functionsRegistry, FUNCTION_DESCRIPTION_PREFIX, mathEntityDao);
}
@Override
public void load() {
super.load();
add(new CustomFunction.Builder(true, "log", Arrays.asList("base", "x"), "ln(x)/ln(base)"));
add(new CustomFunction.Builder(true, "√3", Arrays.asList("x"), "x^(1/3)"));
add(new CustomFunction.Builder(true, "√4", Arrays.asList("x"), "x^(1/4)"));
add(new CustomFunction.Builder(true, "√n", Arrays.asList("x", "n"), "x^(1/n)"));
add(new CustomFunction.Builder(true, "re", Arrays.asList("x"), "(x+conjugate(x))/2"));
add(new CustomFunction.Builder(true, "im", Arrays.asList("x"), "(x-conjugate(x))/(2*i)"));
}
public static void saveFunction(@NotNull CalculatorMathRegistry<Function> registry,
@NotNull MathEntityBuilder<? extends Function> builder,
@Nullable IFunction editedInstance,
@NotNull Object source, boolean save) throws CustomFunctionCalculationException {
final Function addedFunction = registry.add(builder);
if (save) {
registry.save();
}
if (editedInstance == null) {
Locator.getInstance().getCalculator().fireCalculatorEvent(CalculatorEventType.function_added, addedFunction, source);
} else {
Locator.getInstance().getCalculator().fireCalculatorEvent(CalculatorEventType.function_changed, ChangeImpl.newInstance(editedInstance, addedFunction), source);
}
}
@NotNull
@Override
protected Map<String, String> getSubstitutes() {
return substitutes;
}
@Override
public String getCategory(@NotNull Function function) {
for (FunctionCategory category : FunctionCategory.values()) {
if ( category.isInCategory(function) ) {
return category.name();
}
}
return null;
}
@Nullable
@Override
public String getDescription(@NotNull String functionName) {
final Function function = get(functionName);
String result = null;
if ( function instanceof CustomFunction ) {
result = ((CustomFunction) function).getDescription();
}
if (StringUtils.isEmpty(result) ) {
result = super.getDescription(functionName);
}
return result;
}
@NotNull
@Override
protected JBuilder<? extends Function> createBuilder(@NotNull AFunction function) {
return new CustomFunction.Builder(function);
}
@Override
protected AFunction transform(@NotNull Function function) {
if (function instanceof CustomFunction) {
return AFunction.fromIFunction((CustomFunction) function);
} else {
return null;
}
}
@NotNull
@Override
protected MathEntityPersistenceContainer<AFunction> createPersistenceContainer() {
return new Functions();
}
}

601
core/src/main/java/org/solovyev/android/calculator/CalculatorImpl.java Normal file
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package org.solovyev.android.calculator;
import jscl.AbstractJsclArithmeticException;
import jscl.NumeralBase;
import jscl.NumeralBaseException;
import jscl.math.Generic;
import jscl.math.function.Function;
import jscl.math.function.IConstant;
import jscl.math.operator.Operator;
import jscl.text.ParseInterruptedException;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.android.calculator.history.CalculatorHistory;
import org.solovyev.android.calculator.history.CalculatorHistoryState;
import org.solovyev.android.calculator.jscl.JsclOperation;
import org.solovyev.android.calculator.model.Var;
import org.solovyev.android.calculator.text.TextProcessor;
import org.solovyev.android.calculator.units.CalculatorNumeralBase;
import org.solovyev.common.history.HistoryAction;
import org.solovyev.common.msg.ListMessageRegistry;
import org.solovyev.common.msg.Message;
import org.solovyev.common.msg.MessageRegistry;
import org.solovyev.common.msg.MessageType;
import org.solovyev.common.text.StringUtils;
import org.solovyev.math.units.ConversionException;
import org.solovyev.math.units.ConversionUtils;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Executor;
import java.util.concurrent.Executors;
import java.util.concurrent.atomic.AtomicLong;
/**
* User: Solovyev_S
* Date: 20.09.12
* Time: 16:42
*/
public class CalculatorImpl implements Calculator, CalculatorEventListener {
/*
**********************************************************************
*
* CONSTANTS
*
**********************************************************************
*/
// one minute
private static final long PREFERENCE_CHECK_INTERVAL = 1000L * 60L;
/*
**********************************************************************
*
* FIELDS
*
**********************************************************************
*/
@NotNull
private final CalculatorEventContainer calculatorEventContainer = new ListCalculatorEventContainer();
@NotNull
private final AtomicLong counter = new AtomicLong(CalculatorUtils.FIRST_ID);
@NotNull
private final TextProcessor<PreparedExpression, String> preprocessor = ToJsclTextProcessor.getInstance();
@NotNull
private final Executor calculationsExecutor = Executors.newFixedThreadPool(10);
// NOTE: only one thread is responsible for events as all events must be done in order of their creating
@NotNull
private final Executor eventExecutor = Executors.newFixedThreadPool(1);
private volatile boolean calculateOnFly = true;
private volatile long lastPreferenceCheck = 0L;
/*
**********************************************************************
*
* CONSTRUCTORS
*
**********************************************************************
*/
public CalculatorImpl() {
this.addCalculatorEventListener(this);
}
/*
**********************************************************************
*
* METHODS
*
**********************************************************************
*/
@NotNull
private CalculatorEventData nextEventData() {
long eventId = counter.incrementAndGet();
return CalculatorEventDataImpl.newInstance(eventId, eventId);
}
@NotNull
private CalculatorEventData nextEventData(@NotNull Object source) {
long eventId = counter.incrementAndGet();
return CalculatorEventDataImpl.newInstance(eventId, eventId, source);
}
@NotNull
private CalculatorEventData nextEventData(@NotNull Long sequenceId) {
long eventId = counter.incrementAndGet();
return CalculatorEventDataImpl.newInstance(eventId, sequenceId);
}
/*
**********************************************************************
*
* CALCULATION
*
**********************************************************************
*/
@Override
public void evaluate() {
final CalculatorEditorViewState viewState = getEditor().getViewState();
final CalculatorEventData eventData = fireCalculatorEvent(CalculatorEventType.manual_calculation_requested, viewState);
this.evaluate(JsclOperation.numeric, viewState.getText(), eventData.getSequenceId());
}
@Override
public void evaluate(@NotNull Long sequenceId) {
final CalculatorEditorViewState viewState = getEditor().getViewState();
fireCalculatorEvent(CalculatorEventType.manual_calculation_requested, viewState, sequenceId);
this.evaluate(JsclOperation.numeric, viewState.getText(), sequenceId);
}
@Override
public void simplify() {
final CalculatorEditorViewState viewState = getEditor().getViewState();
final CalculatorEventData eventData = fireCalculatorEvent(CalculatorEventType.manual_calculation_requested, viewState);
this.evaluate(JsclOperation.simplify, viewState.getText(), eventData.getSequenceId());
}
@NotNull
@Override
public CalculatorEventData evaluate(@NotNull final JsclOperation operation,
@NotNull final String expression) {
final CalculatorEventData eventDataId = nextEventData();
calculationsExecutor.execute(new Runnable() {
@Override
public void run() {
CalculatorImpl.this.evaluate(eventDataId.getSequenceId(), operation, expression, null);
}
});
return eventDataId;
}
@NotNull
@Override
public CalculatorEventData evaluate(@NotNull final JsclOperation operation, @NotNull final String expression, @NotNull Long sequenceId) {
final CalculatorEventData eventDataId = nextEventData(sequenceId);
calculationsExecutor.execute(new Runnable() {
@Override
public void run() {
CalculatorImpl.this.evaluate(eventDataId.getSequenceId(), operation, expression, null);
}
});
return eventDataId;
}
@Override
public void init() {
Locator.getInstance().getEngine().init();
Locator.getInstance().getHistory().load();
}
public void setCalculateOnFly(boolean calculateOnFly) {
this.calculateOnFly = calculateOnFly;
}
@NotNull
private CalculatorConversionEventData newConversionEventData(@NotNull Long sequenceId,
@NotNull Generic value,
@NotNull NumeralBase from,
@NotNull NumeralBase to,
@NotNull CalculatorDisplayViewState displayViewState) {
return CalculatorConversionEventDataImpl.newInstance(nextEventData(sequenceId), value, from, to, displayViewState);
}
private void evaluate(@NotNull Long sequenceId,
@NotNull JsclOperation operation,
@NotNull String expression,
@Nullable MessageRegistry mr) {
checkPreferredPreferences();
PreparedExpression preparedExpression = null;
try {
expression = expression.trim();
if (StringUtils.isEmpty(expression)) {
fireCalculatorEvent(newCalculationEventData(operation, expression, sequenceId), CalculatorEventType.calculation_result, CalculatorOutputImpl.newEmptyOutput(operation));
} else {
preparedExpression = prepareExpression(expression);
final String jsclExpression = preparedExpression.toString();
try {
final CalculatorMathEngine mathEngine = Locator.getInstance().getEngine().getMathEngine();
final MessageRegistry messageRegistry = new ListMessageRegistry();
Locator.getInstance().getEngine().getMathEngine0().setMessageRegistry(messageRegistry);
final Generic result = operation.evaluateGeneric(jsclExpression, mathEngine);
// NOTE: toString() method must be called here as ArithmeticOperationException may occur in it (just to avoid later check!)
result.toString();
if (messageRegistry.hasMessage()) {
final CalculatorLogger logger = Locator.getInstance().getLogger();
try {
final List<Message> messages = new ArrayList<Message>();
while (messageRegistry.hasMessage()) {
messages.add(messageRegistry.getMessage());
}
if (!messages.isEmpty()) {
fireCalculatorEvent(newCalculationEventData(operation, expression, sequenceId), CalculatorEventType.calculation_messages, messages);
}
} catch (Throwable e) {
// todo serso: not good but we need proper synchronization
logger.error("Calculator", e.getMessage(), e);
}
}
final CalculatorOutput data = CalculatorOutputImpl.newOutput(operation.getFromProcessor().process(result), operation, result);
fireCalculatorEvent(newCalculationEventData(operation, expression, sequenceId), CalculatorEventType.calculation_result, data);
} catch (AbstractJsclArithmeticException e) {
handleException(sequenceId, operation, expression, mr, new CalculatorEvalException(e, e, jsclExpression));
}
}
} catch (ArithmeticException e) {
handleException(sequenceId, operation, expression, mr, preparedExpression, new CalculatorParseException(expression, new CalculatorMessage(CalculatorMessages.msg_001, MessageType.error, e.getMessage())));
} catch (StackOverflowError e) {
handleException(sequenceId, operation, expression, mr, preparedExpression, new CalculatorParseException(expression, new CalculatorMessage(CalculatorMessages.msg_002, MessageType.error)));
} catch (jscl.text.ParseException e) {
handleException(sequenceId, operation, expression, mr, preparedExpression, new CalculatorParseException(e));
} catch (ParseInterruptedException e) {
// do nothing - we ourselves interrupt the calculations
fireCalculatorEvent(newCalculationEventData(operation, expression, sequenceId), CalculatorEventType.calculation_cancelled, null);
} catch (CalculatorParseException e) {
handleException(sequenceId, operation, expression, mr, preparedExpression, e);
}
}
private void checkPreferredPreferences() {
final long currentTime = System.currentTimeMillis();
if ( currentTime - lastPreferenceCheck > PREFERENCE_CHECK_INTERVAL ) {
lastPreferenceCheck = currentTime;
Locator.getInstance().getPreferenceService().checkPreferredPreferences(false);
}
}
@NotNull
@Override
public PreparedExpression prepareExpression(@NotNull String expression) throws CalculatorParseException {
return preprocessor.process(expression);
}
@NotNull
private CalculatorEventData newCalculationEventData(@NotNull JsclOperation operation,
@NotNull String expression,
@NotNull Long calculationId) {
return new CalculatorEvaluationEventDataImpl(nextEventData(calculationId), operation, expression);
}
private void handleException(@NotNull Long sequenceId,
@NotNull JsclOperation operation,
@NotNull String expression,
@Nullable MessageRegistry mr,
@Nullable PreparedExpression preparedExpression,
@NotNull CalculatorParseException parseException) {
if (operation == JsclOperation.numeric
&& preparedExpression != null
&& preparedExpression.isExistsUndefinedVar()) {
evaluate(sequenceId, JsclOperation.simplify, expression, mr);
} else {
fireCalculatorEvent(newCalculationEventData(operation, expression, sequenceId), CalculatorEventType.calculation_failed, new CalculatorFailureImpl(parseException));
}
}
private void handleException(@NotNull Long calculationId,
@NotNull JsclOperation operation,
@NotNull String expression,
@Nullable MessageRegistry mr,
@NotNull CalculatorEvalException evalException) {
if (operation == JsclOperation.numeric && evalException.getCause() instanceof NumeralBaseException) {
evaluate(calculationId, JsclOperation.simplify, expression, mr);
} else {
fireCalculatorEvent(newCalculationEventData(operation, expression, calculationId), CalculatorEventType.calculation_failed, new CalculatorFailureImpl(evalException));
}
}
/*
**********************************************************************
*
* CONVERSION
*
**********************************************************************
*/
@NotNull
@Override
public CalculatorEventData convert(@NotNull final Generic value,
@NotNull final NumeralBase to) {
final CalculatorEventData eventDataId = nextEventData();
final CalculatorDisplayViewState displayViewState = Locator.getInstance().getDisplay().getViewState();
final NumeralBase from = Locator.getInstance().getEngine().getNumeralBase();
calculationsExecutor.execute(new Runnable() {
@Override
public void run() {
final Long sequenceId = eventDataId.getSequenceId();
fireCalculatorEvent(newConversionEventData(sequenceId, value, from, to, displayViewState), CalculatorEventType.conversion_started, null);
try {
final String result = doConversion(value, from, to);
fireCalculatorEvent(newConversionEventData(sequenceId, value, from, to, displayViewState), CalculatorEventType.conversion_result, result);
} catch (ConversionException e) {
fireCalculatorEvent(newConversionEventData(sequenceId, value, from, to, displayViewState), CalculatorEventType.conversion_failed, new ConversionFailureImpl(e));
}
}
});
return eventDataId;
}
@NotNull
private static String doConversion(@NotNull Generic generic,
@NotNull NumeralBase from,
@NotNull NumeralBase to) throws ConversionException {
final String result;
if (from != to) {
String fromString = generic.toString();
if (!StringUtils.isEmpty(fromString)) {
try {
fromString = ToJsclTextProcessor.getInstance().process(fromString).getExpression();
} catch (CalculatorParseException e) {
// ok, problems while processing occurred
}
}
result = ConversionUtils.doConversion(CalculatorNumeralBase.getConverter(), fromString, CalculatorNumeralBase.valueOf(from), CalculatorNumeralBase.valueOf(to));
} else {
result = generic.toString();
}
return result;
}
@Override
public boolean isConversionPossible(@NotNull Generic generic, NumeralBase from, @NotNull NumeralBase to) {
try {
doConversion(generic, from, to);
return true;
} catch (ConversionException e) {
return false;
}
}
/*
**********************************************************************
*
* EVENTS
*
**********************************************************************
*/
@Override
public void addCalculatorEventListener(@NotNull CalculatorEventListener calculatorEventListener) {
calculatorEventContainer.addCalculatorEventListener(calculatorEventListener);
}
@Override
public void removeCalculatorEventListener(@NotNull CalculatorEventListener calculatorEventListener) {
calculatorEventContainer.removeCalculatorEventListener(calculatorEventListener);
}
@Override
public void fireCalculatorEvent(@NotNull final CalculatorEventData calculatorEventData, @NotNull final CalculatorEventType calculatorEventType, @Nullable final Object data) {
eventExecutor.execute(new Runnable() {
@Override
public void run() {
calculatorEventContainer.fireCalculatorEvent(calculatorEventData, calculatorEventType, data);
}
});
}
@Override
public void fireCalculatorEvents(@NotNull final List<CalculatorEvent> calculatorEvents) {
eventExecutor.execute(new Runnable() {
@Override
public void run() {
calculatorEventContainer.fireCalculatorEvents(calculatorEvents);
}
});
}
@NotNull
@Override
public CalculatorEventData fireCalculatorEvent(@NotNull final CalculatorEventType calculatorEventType, @Nullable final Object data) {
final CalculatorEventData eventData = nextEventData();
fireCalculatorEvent(eventData, calculatorEventType, data);
return eventData;
}
@NotNull
@Override
public CalculatorEventData fireCalculatorEvent(@NotNull final CalculatorEventType calculatorEventType, @Nullable final Object data, @NotNull Object source) {
final CalculatorEventData eventData = nextEventData(source);
fireCalculatorEvent(eventData, calculatorEventType, data);
return eventData;
}
@NotNull
@Override
public CalculatorEventData fireCalculatorEvent(@NotNull final CalculatorEventType calculatorEventType, @Nullable final Object data, @NotNull Long sequenceId) {
final CalculatorEventData eventData = nextEventData(sequenceId);
fireCalculatorEvent(eventData, calculatorEventType, data);
return eventData;
}
/*
**********************************************************************
*
* EVENTS HANDLER
*
**********************************************************************
*/
@Override
public void onCalculatorEvent(@NotNull CalculatorEventData calculatorEventData, @NotNull CalculatorEventType calculatorEventType, @Nullable Object data) {
switch (calculatorEventType) {
case editor_state_changed:
if (calculateOnFly) {
final CalculatorEditorChangeEventData editorChangeEventData = (CalculatorEditorChangeEventData) data;
final String newText = editorChangeEventData.getNewValue().getText();
final String oldText = editorChangeEventData.getOldValue().getText();
if (!newText.equals(oldText)) {
evaluate(JsclOperation.numeric, editorChangeEventData.getNewValue().getText(), calculatorEventData.getSequenceId());
}
}
break;
case display_state_changed:
onDisplayStateChanged((CalculatorDisplayChangeEventData) data);
break;
case constant_changed:
final IConstant newConstant = ((Change<IConstant>)data) .getNewValue();
if (!newConstant.getName().equals(CalculatorVarsRegistry.ANS)) {
evaluate();
}
break;
case constant_added:
case constant_removed:
case function_added:
case function_changed:
case function_removed:
evaluate();
break;
case engine_preferences_changed:
evaluate(calculatorEventData.getSequenceId());
break;
case use_constant:
final IConstant constant = (IConstant)data;
Locator.getInstance().getKeyboard().buttonPressed(constant.getName());
break;
case use_operator:
final Operator operator = (Operator)data;
Locator.getInstance().getKeyboard().buttonPressed(operator.getName());
break;
case use_function:
final Function function = (Function)data;
Locator.getInstance().getKeyboard().buttonPressed(function.getName());
break;
}
}
private void onDisplayStateChanged(@NotNull CalculatorDisplayChangeEventData displayChangeEventData) {
final CalculatorDisplayViewState newState = displayChangeEventData.getNewValue();
if (newState.isValid()) {
final String result = newState.getStringResult();
if ( !StringUtils.isEmpty(result) ) {
final CalculatorMathRegistry<IConstant> varsRegistry = Locator.getInstance().getEngine().getVarsRegistry();
final IConstant ansVar = varsRegistry.get(CalculatorVarsRegistry.ANS);
final Var.Builder varBuilder;
if (ansVar != null) {
varBuilder = new Var.Builder(ansVar);
} else {
varBuilder = new Var.Builder();
}
varBuilder.setName(CalculatorVarsRegistry.ANS);
varBuilder.setValue(result);
varBuilder.setDescription(CalculatorMessages.getBundle().getString("ans_description"));
CalculatorVarsRegistry.saveVariable(varsRegistry, varBuilder, ansVar, this, false);
}
}
}
/*
**********************************************************************
*
* HISTORY
*
**********************************************************************
*/
@Override
public void doHistoryAction(@NotNull HistoryAction historyAction) {
final CalculatorHistory history = Locator.getInstance().getHistory();
if (history.isActionAvailable(historyAction)) {
final CalculatorHistoryState newState = history.doAction(historyAction, getCurrentHistoryState());
if (newState != null) {
setCurrentHistoryState(newState);
}
}
}
@Override
public void setCurrentHistoryState(@NotNull CalculatorHistoryState editorHistoryState) {
editorHistoryState.setValuesFromHistory(getEditor(), getDisplay());
}
@NotNull
@Override
public CalculatorHistoryState getCurrentHistoryState() {
return CalculatorHistoryState.newInstance(getEditor(), getDisplay());
}
/*
**********************************************************************
*
* OTHER
*
**********************************************************************
*/
@NotNull
private CalculatorEditor getEditor() {
return Locator.getInstance().getEditor();
}
@NotNull
private CalculatorDisplay getDisplay() {
return Locator.getInstance().getDisplay();
}
}

18
core/src/main/java/org/solovyev/android/calculator/CalculatorInput.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.solovyev.android.calculator.jscl.JsclOperation;
/**
* User: serso
* Date: 9/20/12
* Time: 7:25 PM
*/
public interface CalculatorInput {
@NotNull
String getExpression();
@NotNull
JsclOperation getOperation();
}

35
core/src/main/java/org/solovyev/android/calculator/CalculatorInputImpl.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.solovyev.android.calculator.jscl.JsclOperation;
/**
* User: serso
* Date: 9/20/12
* Time: 7:26 PM
*/
public class CalculatorInputImpl implements CalculatorInput {
@NotNull
private String expression;
@NotNull
private JsclOperation operation;
public CalculatorInputImpl(@NotNull String expression, @NotNull JsclOperation operation) {
this.expression = expression;
this.operation = operation;
}
@Override
@NotNull
public String getExpression() {
return expression;
}
@Override
@NotNull
public JsclOperation getOperation() {
return operation;
}
}

25
core/src/main/java/org/solovyev/android/calculator/CalculatorKeyboard.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.Nullable;
/**
* User: serso
* Date: 9/22/12
* Time: 1:08 PM
*/
public interface CalculatorKeyboard {
void buttonPressed(@Nullable String text);
void roundBracketsButtonPressed();
void pasteButtonPressed();
void clearButtonPressed();
void copyButtonPressed();
void moveCursorLeft();
void moveCursorRight();
}

124
core/src/main/java/org/solovyev/android/calculator/CalculatorKeyboardImpl.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.android.calculator.math.MathType;
import org.solovyev.common.text.StringUtils;
/**
* User: serso
* Date: 9/22/12
* Time: 1:08 PM
*/
public class CalculatorKeyboardImpl implements CalculatorKeyboard {
@NotNull
private final Calculator calculator;
public CalculatorKeyboardImpl(@NotNull Calculator calculator) {
this.calculator = calculator;
}
@Override
public void buttonPressed(@Nullable final String text) {
if (!StringUtils.isEmpty(text)) {
assert text != null;
// process special buttons
boolean processed = processSpecialButtons(text);
if (!processed) {
int cursorPositionOffset = 0;
final StringBuilder textToBeInserted = new StringBuilder(text);
final MathType.Result mathType = MathType.getType(text, 0, false);
switch (mathType.getMathType()) {
case function:
textToBeInserted.append("()");
cursorPositionOffset = -1;
break;
case operator:
textToBeInserted.append("()");
cursorPositionOffset = -1;
break;
case comma:
textToBeInserted.append(" ");
break;
}
if (cursorPositionOffset == 0) {
if (MathType.openGroupSymbols.contains(text)) {
cursorPositionOffset = -1;
}
}
final CalculatorEditor editor = Locator.getInstance().getEditor();
editor.insert(textToBeInserted.toString(), cursorPositionOffset);
}
}
}
private boolean processSpecialButtons(@NotNull String text) {
boolean result = false;
final CalculatorSpecialButton button = CalculatorSpecialButton.getByActionCode(text);
if ( button != null ) {
button.onClick(this);
result = true;
}
return result;
}
@Override
public void roundBracketsButtonPressed() {
final CalculatorEditor editor = Locator.getInstance().getEditor();
CalculatorEditorViewState viewState = editor.getViewState();
final int cursorPosition = viewState.getSelection();
final String oldText = viewState.getText();
final StringBuilder newText = new StringBuilder(oldText.length() + 2);
newText.append("(");
newText.append(oldText.substring(0, cursorPosition));
newText.append(")");
newText.append(oldText.substring(cursorPosition));
editor.setText(newText.toString(), cursorPosition + 2);
}
@Override
public void pasteButtonPressed() {
final String text = Locator.getInstance().getClipboard().getText();
if (text != null) {
Locator.getInstance().getEditor().insert(text);
}
}
@Override
public void clearButtonPressed() {
Locator.getInstance().getEditor().clear();
}
@Override
public void copyButtonPressed() {
final CalculatorDisplayViewState displayViewState = Locator.getInstance().getDisplay().getViewState();
if (displayViewState.isValid()) {
final CharSequence text = displayViewState.getText();
if (!StringUtils.isEmpty(text)) {
Locator.getInstance().getClipboard().setText(text);
Locator.getInstance().getNotifier().showMessage(CalculatorMessage.newInfoMessage(CalculatorMessages.result_copied));
}
}
}
@Override
public void moveCursorLeft() {
Locator.getInstance().getEditor().moveCursorLeft();
}
@Override
public void moveCursorRight() {
Locator.getInstance().getEditor().moveCursorRight();
}
}

56
core/src/main/java/org/solovyev/android/calculator/CalculatorLocator.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.solovyev.android.calculator.external.CalculatorExternalListenersContainer;
import org.solovyev.android.calculator.history.CalculatorHistory;
/**
* User: Solovyev_S
* Date: 20.09.12
* Time: 12:45
*/
public interface CalculatorLocator {
void init(@NotNull Calculator calculator,
@NotNull CalculatorEngine engine,
@NotNull CalculatorClipboard clipboard,
@NotNull CalculatorNotifier notifier,
@NotNull CalculatorHistory history,
@NotNull CalculatorLogger logger,
@NotNull CalculatorPreferenceService preferenceService,
@NotNull CalculatorKeyboard keyboard,
@NotNull CalculatorExternalListenersContainer externalListenersContainer);
@NotNull
Calculator getCalculator();
@NotNull
CalculatorEngine getEngine();
@NotNull
CalculatorDisplay getDisplay();
@NotNull
CalculatorEditor getEditor();
@NotNull
CalculatorKeyboard getKeyboard();
@NotNull
CalculatorClipboard getClipboard();
@NotNull
CalculatorNotifier getNotifier();
@NotNull
CalculatorHistory getHistory();
@NotNull
CalculatorLogger getLogger();
@NotNull
CalculatorPreferenceService getPreferenceService();
@NotNull
CalculatorExternalListenersContainer getExternalListenersContainer();
}

19
core/src/main/java/org/solovyev/android/calculator/CalculatorLogger.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* User: serso
* Date: 10/11/12
* Time: 12:11 AM
*/
public interface CalculatorLogger {
void debug(@Nullable String tag, @NotNull String message);
void debug(@Nullable String tag, @NotNull String message, @NotNull Throwable e);
void error(@Nullable String tag, @NotNull String message, @NotNull Throwable e);
}

31
core/src/main/java/org/solovyev/android/calculator/CalculatorMathEngine.java Normal file
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package org.solovyev.android.calculator;
import jscl.math.Generic;
import jscl.text.ParseException;
import org.jetbrains.annotations.NotNull;
/**
* User: serso
* Date: 9/23/12
* Time: 6:05 PM
*/
public interface CalculatorMathEngine {
@NotNull
String evaluate(@NotNull String expression) throws ParseException;
@NotNull
String simplify(@NotNull String expression) throws ParseException;
@NotNull
String elementary(@NotNull String expression) throws ParseException;
@NotNull
Generic evaluateGeneric(@NotNull String expression) throws ParseException;
@NotNull
Generic simplifyGeneric(@NotNull String expression) throws ParseException;
@NotNull
Generic elementaryGeneric(@NotNull String expression) throws ParseException;
}

30
core/src/main/java/org/solovyev/android/calculator/CalculatorMathRegistry.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.common.math.MathEntity;
import org.solovyev.common.math.MathRegistry;
/**
* User: serso
* Date: 10/30/11
* Time: 1:02 AM
*/
public interface CalculatorMathRegistry<T extends MathEntity> extends MathRegistry<T> {
@Nullable
String getDescription(@NotNull String mathEntityName);
@Nullable
String getCategory(@NotNull T mathEntity);
void load();
void save();
}

48
core/src/main/java/org/solovyev/android/calculator/CalculatorMessage.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.common.msg.AbstractMessage;
import org.solovyev.common.msg.Message;
import org.solovyev.common.msg.MessageType;
import java.util.List;
import java.util.Locale;
import java.util.ResourceBundle;
/**
* User: serso
* Date: 9/20/12
* Time: 8:06 PM
*/
public class CalculatorMessage extends AbstractMessage {
public CalculatorMessage(@NotNull String messageCode, @NotNull MessageType messageType, @Nullable Object... parameters) {
super(messageCode, messageType, parameters);
}
public CalculatorMessage(@NotNull String messageCode, @NotNull MessageType messageType, @NotNull List<?> parameters) {
super(messageCode, messageType, parameters);
}
@NotNull
public static Message newInfoMessage(@NotNull String messageCode, @Nullable Object... parameters) {
return new CalculatorMessage(messageCode, MessageType.info, parameters);
}
@NotNull
public static Message newWarningMessage(@NotNull String messageCode, @Nullable Object... parameters) {
return new CalculatorMessage(messageCode, MessageType.warning, parameters);
}
@NotNull
public static Message newErrorMessage(@NotNull String messageCode, @Nullable Object... parameters) {
return new CalculatorMessage(messageCode, MessageType.error, parameters);
}
@Override
protected String getMessagePattern(@NotNull Locale locale) {
final ResourceBundle rb = CalculatorMessages.getBundle(locale);
return rb.getString(getMessageCode());
}
}

66
core/src/main/java/org/solovyev/android/calculator/CalculatorMessages.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import java.util.ResourceBundle;
/**
* User: serso
* Date: 9/20/12
* Time: 8:10 PM
*/
public final class CalculatorMessages {
@NotNull
private static final Map<Locale, ResourceBundle> bundlesByLocale = new HashMap<Locale, ResourceBundle>();
private CalculatorMessages() {
throw new AssertionError();
}
@NotNull
public static ResourceBundle getBundle() {
return getBundle(Locale.getDefault());
}
@NotNull
public static ResourceBundle getBundle(@NotNull Locale locale) {
synchronized (bundlesByLocale) {
ResourceBundle result = bundlesByLocale.get(locale);
if (result == null) {
result = ResourceBundle.getBundle("org/solovyev/android/calculator/messages", locale);
bundlesByLocale.put(locale, result);
}
return result;
}
}
/* Arithmetic error occurred: {0} */
public static final String msg_001 = "msg_1";
/* Too complex expression*/
public static final String msg_002 = "msg_2";
/* Too long execution time - check the expression*/
public static final String msg_003 = "msg_3";
/* Evaluation was cancelled*/
public static final String msg_004 = "msg_4";
/* No parameters are specified for function: {0}*/
public static final String msg_005 = "msg_5";
/* Infinite loop is detected in expression*/
public static final String msg_006 = "msg_6";
/* Error */
public static final String syntax_error = "syntax_error";
/* Result copied to clipboard! */
public static final String result_copied = "result_copied";
}

24
core/src/main/java/org/solovyev/android/calculator/CalculatorNotifier.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.common.msg.Message;
import org.solovyev.common.msg.MessageType;
import java.util.List;
/**
* User: serso
* Date: 9/22/12
* Time: 1:52 PM
*/
public interface CalculatorNotifier {
void showMessage(@NotNull Message message);
void showMessage(@NotNull Integer messageCode, @NotNull MessageType messageType, @NotNull List<Object> parameters);
void showMessage(@NotNull Integer messageCode, @NotNull MessageType messageType, @Nullable Object... parameters);
void showDebugMessage(@Nullable String tag, @NotNull String message);
}

93
core/src/main/java/org/solovyev/android/calculator/CalculatorOperatorsMathRegistry.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator;
import jscl.math.operator.*;
import org.jetbrains.annotations.NotNull;
import org.solovyev.common.JBuilder;
import org.solovyev.common.math.MathRegistry;
import java.util.*;
/**
* User: serso
* Date: 11/17/11
* Time: 11:29 PM
*/
public class CalculatorOperatorsMathRegistry extends AbstractCalculatorMathRegistry<Operator, MathPersistenceEntity> {
@NotNull
private static final Map<String, String> substitutes = new HashMap<String, String>();
static {
substitutes.put("Σ", "sum");
substitutes.put("∏", "product");
substitutes.put("∂", "derivative");
substitutes.put("∫ab", "integral_ab");
substitutes.put("∫", "integral");
substitutes.put("Σ", "sum");
}
@NotNull
private static final String OPERATOR_DESCRIPTION_PREFIX = "c_op_description_";
public CalculatorOperatorsMathRegistry(@NotNull MathRegistry<Operator> functionsRegistry,
@NotNull MathEntityDao<MathPersistenceEntity> mathEntityDao) {
super(functionsRegistry, OPERATOR_DESCRIPTION_PREFIX, mathEntityDao);
}
@NotNull
@Override
protected Map<String, String> getSubstitutes() {
return substitutes;
}
@Override
public String getCategory(@NotNull Operator operator) {
for (OperatorCategory category : OperatorCategory.values()) {
if ( category.isInCategory(operator) ) {
return category.name();
}
}
return null;
}
@Override
public void load() {
// not supported yet
}
@NotNull
@Override
protected JBuilder<? extends Operator> createBuilder(@NotNull MathPersistenceEntity entity) {
return null; //To change body of implemented methods use File | Settings | File Templates.
}
@Override
public void save() {
// not supported yet
}
@Override
protected MathPersistenceEntity transform(@NotNull Operator entity) {
return null; //To change body of implemented methods use File | Settings | File Templates.
}
@NotNull
@Override
protected MathEntityPersistenceContainer<MathPersistenceEntity> createPersistenceContainer() {
return null; //To change body of implemented methods use File | Settings | File Templates.
}
/*
**********************************************************************
*
* STATIC
*
**********************************************************************
*/
}

25
core/src/main/java/org/solovyev/android/calculator/CalculatorOutput.java Normal file
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package org.solovyev.android.calculator;
import jscl.math.Generic;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.android.calculator.jscl.JsclOperation;
/**
* User: serso
* Date: 9/20/12
* Time: 7:29 PM
*/
public interface CalculatorOutput {
@NotNull
String getStringResult();
@NotNull
JsclOperation getOperation();
// null in case of empty expression
@Nullable
Generic getResult();
}

61
core/src/main/java/org/solovyev/android/calculator/CalculatorOutputImpl.java Normal file
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package org.solovyev.android.calculator;
import jscl.math.Generic;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.android.calculator.jscl.JsclOperation;
/**
* User: serso
* Date: 9/20/12
* Time: 7:28 PM
*/
public class CalculatorOutputImpl implements CalculatorOutput {
@Nullable
private Generic result;
@NotNull
private String stringResult;
@NotNull
private JsclOperation operation;
private CalculatorOutputImpl(@NotNull String stringResult,
@NotNull JsclOperation operation,
@Nullable Generic result) {
this.stringResult = stringResult;
this.operation = operation;
this.result = result;
}
@NotNull
public static CalculatorOutput newOutput(@NotNull String stringResult,
@NotNull JsclOperation operation,
@NotNull Generic result) {
return new CalculatorOutputImpl(stringResult, operation, result);
}
@NotNull
public static CalculatorOutput newEmptyOutput(@NotNull JsclOperation operation) {
return new CalculatorOutputImpl("", operation, null);
}
@Override
@NotNull
public String getStringResult() {
return stringResult;
}
@Override
@NotNull
public JsclOperation getOperation() {
return operation;
}
@Override
@Nullable
public Generic getResult() {
return result;
}
}

92
core/src/main/java/org/solovyev/android/calculator/CalculatorParseException.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.common.exceptions.SersoException;
import org.solovyev.common.msg.Message;
import org.solovyev.common.msg.MessageType;
import java.util.List;
import java.util.Locale;
/**
* User: serso
* Date: 10/6/11
* Time: 9:25 PM
*/
public class CalculatorParseException extends SersoException implements Message {
@NotNull
private final Message message;
@NotNull
private final String expression;
@Nullable
private final Integer position;
public CalculatorParseException(@NotNull jscl.text.ParseException jsclParseException) {
this.message = jsclParseException;
this.expression = jsclParseException.getExpression();
this.position = jsclParseException.getPosition();
}
public CalculatorParseException(@Nullable Integer position,
@NotNull String expression,
@NotNull Message message) {
this.message = message;
this.expression = expression;
this.position = position;
}
public CalculatorParseException(@NotNull String expression,
@NotNull Message message) {
this(null, expression, message);
}
@NotNull
public String getExpression() {
return expression;
}
@Nullable
public Integer getPosition() {
return position;
}
@NotNull
@Override
public String getMessageCode() {
return this.message.getMessageCode();
}
@NotNull
@Override
public List<Object> getParameters() {
return this.message.getParameters();
}
@NotNull
@Override
public MessageType getMessageType() {
return this.message.getMessageType();
}
@Override
@Nullable
public String getLocalizedMessage() {
return this.message.getLocalizedMessage(Locale.getDefault());
}
@NotNull
@Override
public String getLocalizedMessage(@NotNull Locale locale) {
return this.message.getLocalizedMessage(locale);
}
}

84
core/src/main/java/org/solovyev/android/calculator/CalculatorPostfixFunctionsRegistry.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator;
import jscl.math.operator.Operator;
import org.jetbrains.annotations.NotNull;
import org.solovyev.common.JBuilder;
import org.solovyev.common.math.MathRegistry;
import java.util.HashMap;
import java.util.Map;
/**
* User: serso
* Date: 11/19/11
* Time: 1:48 PM
*/
public class CalculatorPostfixFunctionsRegistry extends AbstractCalculatorMathRegistry<Operator, MathPersistenceEntity> {
@NotNull
private static final Map<String, String> substitutes = new HashMap<String, String>();
static {
substitutes.put("%", "percent");
substitutes.put("!", "factorial");
substitutes.put("!!", "double_factorial");
substitutes.put("°", "degree");
}
@NotNull
private static final String POSTFIX_FUNCTION_DESCRIPTION_PREFIX = "c_pf_description_";
public CalculatorPostfixFunctionsRegistry(@NotNull MathRegistry<Operator> functionsRegistry,
@NotNull MathEntityDao<MathPersistenceEntity> mathEntityDao) {
super(functionsRegistry, POSTFIX_FUNCTION_DESCRIPTION_PREFIX, mathEntityDao);
}
@NotNull
@Override
protected Map<String, String> getSubstitutes() {
return substitutes;
}
@Override
public String getCategory(@NotNull Operator operator) {
for (OperatorCategory category : OperatorCategory.values()) {
if ( category.isInCategory(operator) ) {
return category.name();
}
}
return null;
}
@Override
public void load() {
// not supported yet
}
@NotNull
@Override
protected JBuilder<? extends Operator> createBuilder(@NotNull MathPersistenceEntity entity) {
return null; //To change body of implemented methods use File | Settings | File Templates.
}
@Override
public void save() {
// not supported yet
}
@Override
protected MathPersistenceEntity transform(@NotNull Operator entity) {
return null; //To change body of implemented methods use File | Settings | File Templates.
}
@NotNull
@Override
protected MathEntityPersistenceContainer<MathPersistenceEntity> createPersistenceContainer() {
return null; //To change body of implemented methods use File | Settings | File Templates.
}
}

21
core/src/main/java/org/solovyev/android/calculator/CalculatorPreferenceService.java Normal file
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package org.solovyev.android.calculator;
import jscl.AngleUnit;
import jscl.NumeralBase;
import org.jetbrains.annotations.NotNull;
/**
* User: serso
* Date: 11/17/12
* Time: 7:45 PM
*/
public interface CalculatorPreferenceService {
void setPreferredAngleUnits();
void setAngleUnits(@NotNull AngleUnit angleUnit);
void setPreferredNumeralBase();
void setNumeralBase(@NotNull NumeralBase numeralBase);
void checkPreferredPreferences(boolean force);
}

171
core/src/main/java/org/solovyev/android/calculator/CalculatorSpecialButton.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.HashMap;
import java.util.Map;
/**
* User: serso
* Date: 10/20/12
* Time: 2:05 PM
*/
public enum CalculatorSpecialButton {
history("history") {
@Override
public void onClick(@NotNull CalculatorKeyboard keyboard) {
Locator.getInstance().getCalculator().fireCalculatorEvent(CalculatorEventType.show_history, null);
}
},
history_detached("history_detached") {
@Override
public void onClick(@NotNull CalculatorKeyboard keyboard) {
Locator.getInstance().getCalculator().fireCalculatorEvent(CalculatorEventType.show_history_detached, null);
}
},
cursor_right("▶") {
@Override
public void onClick(@NotNull CalculatorKeyboard keyboard) {
keyboard.moveCursorRight();
}
},
cursor_left("◀") {
@Override
public void onClick(@NotNull CalculatorKeyboard keyboard) {
keyboard.moveCursorLeft();
}
},
settings("settings") {
@Override
public void onClick(@NotNull CalculatorKeyboard keyboard) {
Locator.getInstance().getCalculator().fireCalculatorEvent(CalculatorEventType.show_settings, null);
}
},
settings_detached("settings_detached") {
@Override
public void onClick(@NotNull CalculatorKeyboard keyboard) {
Locator.getInstance().getCalculator().fireCalculatorEvent(CalculatorEventType.show_settings_detached, null);
}
},
like("like") {
@Override
public void onClick(@NotNull CalculatorKeyboard keyboard) {
Locator.getInstance().getCalculator().fireCalculatorEvent(CalculatorEventType.show_like_dialog, null);
}
},
erase("erase") {
@Override
public void onClick(@NotNull CalculatorKeyboard keyboard) {
Locator.getInstance().getEditor().erase();
}
},
paste("paste") {
@Override
public void onClick(@NotNull CalculatorKeyboard keyboard) {
keyboard.pasteButtonPressed();
}
},
copy("copy") {
@Override
public void onClick(@NotNull CalculatorKeyboard keyboard) {
keyboard.copyButtonPressed();
}
},
equals("=") {
@Override
public void onClick(@NotNull CalculatorKeyboard keyboard) {
Locator.getInstance().getCalculator().evaluate();
}
},
clear("clear") {
@Override
public void onClick(@NotNull CalculatorKeyboard keyboard) {
keyboard.clearButtonPressed();
}
},
functions("functions") {
@Override
public void onClick(@NotNull CalculatorKeyboard keyboard) {
Locator.getInstance().getCalculator().fireCalculatorEvent(CalculatorEventType.show_functions, null);
}
},
functions_detached("functions_detached") {
@Override
public void onClick(@NotNull CalculatorKeyboard keyboard) {
Locator.getInstance().getCalculator().fireCalculatorEvent(CalculatorEventType.show_functions_detached, null);
}
},
open_app("open_app") {
@Override
public void onClick(@NotNull CalculatorKeyboard keyboard) {
Locator.getInstance().getCalculator().fireCalculatorEvent(CalculatorEventType.open_app, null);
}
},
vars("vars") {
@Override
public void onClick(@NotNull CalculatorKeyboard keyboard) {
Locator.getInstance().getCalculator().fireCalculatorEvent(CalculatorEventType.show_vars, null);
}
},
vars_detached("vars_detached") {
@Override
public void onClick(@NotNull CalculatorKeyboard keyboard) {
Locator.getInstance().getCalculator().fireCalculatorEvent(CalculatorEventType.show_vars_detached, null);
}
},
operators("operators") {
@Override
public void onClick(@NotNull CalculatorKeyboard keyboard) {
Locator.getInstance().getCalculator().fireCalculatorEvent(CalculatorEventType.show_operators, null);
}
},
operators_detached("operators_detached") {
@Override
public void onClick(@NotNull CalculatorKeyboard keyboard) {
Locator.getInstance().getCalculator().fireCalculatorEvent(CalculatorEventType.show_operators_detached, null);
}
};
@NotNull
private static Map<String, CalculatorSpecialButton> buttonsByActionCodes = new HashMap<String, CalculatorSpecialButton>();
@NotNull
private final String actionCode;
CalculatorSpecialButton(@NotNull String actionCode) {
this.actionCode = actionCode;
}
@NotNull
public String getActionCode() {
return actionCode;
}
@Nullable
public static CalculatorSpecialButton getByActionCode(@NotNull String actionCode) {
initButtonsByActionCodesMap();
return buttonsByActionCodes.get(actionCode);
}
public abstract void onClick(@NotNull CalculatorKeyboard keyboard);
private static void initButtonsByActionCodesMap() {
if ( buttonsByActionCodes.isEmpty() ) {
// if not initialized
final CalculatorSpecialButton[] specialButtons = values();
final Map<String, CalculatorSpecialButton> localButtonsByActionCodes = new HashMap<String, CalculatorSpecialButton>(specialButtons.length);
for (CalculatorSpecialButton specialButton : specialButtons) {
localButtonsByActionCodes.put(specialButton.getActionCode(), specialButton);
}
buttonsByActionCodes = localButtonsByActionCodes;
}
}
}

55
core/src/main/java/org/solovyev/android/calculator/CalculatorUtils.java Normal file
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package org.solovyev.android.calculator;
import jscl.math.Generic;
import jscl.math.function.Constant;
import jscl.math.function.IConstant;
import org.jetbrains.annotations.NotNull;
import org.solovyev.android.calculator.jscl.JsclOperation;
import java.util.HashSet;
import java.util.Set;
/**
* User: serso
* Date: 9/22/12
* Time: 7:13 PM
*/
public final class CalculatorUtils {
static final long FIRST_ID = 0;
private CalculatorUtils() {
throw new AssertionError();
}
@NotNull
public static CalculatorEventData createFirstEventDataId() {
return CalculatorEventDataImpl.newInstance(FIRST_ID, FIRST_ID);
}
@NotNull
public static Set<Constant> getNotSystemConstants(@NotNull Generic expression) {
final Set<Constant> notSystemConstants = new HashSet<Constant>();
for (Constant constant : expression.getConstants()) {
IConstant var = Locator.getInstance().getEngine().getVarsRegistry().get(constant.getName());
if (var != null && !var.isSystem() && !var.isDefined()) {
notSystemConstants.add(constant);
}
}
return notSystemConstants;
}
public static boolean isPlotPossible(@NotNull Generic expression, @NotNull JsclOperation operation) {
boolean result = false;
if (operation == JsclOperation.simplify) {
if (getNotSystemConstants(expression).size() == 1) {
result = true;
}
}
return result;
}
}

134
core/src/main/java/org/solovyev/android/calculator/CalculatorVarsRegistry.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator;
import jscl.math.function.IConstant;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.android.calculator.model.MathEntityBuilder;
import org.solovyev.android.calculator.model.Var;
import org.solovyev.android.calculator.model.Vars;
import org.solovyev.common.JBuilder;
import org.solovyev.common.math.MathEntity;
import org.solovyev.common.math.MathRegistry;
import java.util.HashMap;
import java.util.Map;
/**
* User: serso
* Date: 9/29/11
* Time: 4:57 PM
*/
public class CalculatorVarsRegistry extends AbstractCalculatorMathRegistry<IConstant, Var> {
@NotNull
public static final String ANS = "ans";
@NotNull
private static final Map<String, String> substitutes = new HashMap<String, String>();
static {
substitutes.put("π", "pi");
substitutes.put("Π", "PI");
substitutes.put("∞", "inf");
substitutes.put("h", "h_reduced");
substitutes.put("NaN", "nan");
}
public CalculatorVarsRegistry(@NotNull MathRegistry<IConstant> mathRegistry,
@NotNull MathEntityDao<Var> mathEntityDao) {
super(mathRegistry, "c_var_description_", mathEntityDao);
}
public static <T extends MathEntity> void saveVariable(@NotNull CalculatorMathRegistry<T> registry,
@NotNull MathEntityBuilder<? extends T> builder,
@Nullable T editedInstance,
@NotNull Object source, boolean save) {
final T addedVar = registry.add(builder);
if (save) {
registry.save();
}
if (editedInstance == null) {
Locator.getInstance().getCalculator().fireCalculatorEvent(CalculatorEventType.constant_added, addedVar, source);
} else {
Locator.getInstance().getCalculator().fireCalculatorEvent(CalculatorEventType.constant_changed, ChangeImpl.newInstance(editedInstance, addedVar), source);
}
}
@NotNull
@Override
protected Map<String, String> getSubstitutes() {
return substitutes;
}
public synchronized void load() {
super.load();
tryToAddAuxVar("x");
tryToAddAuxVar("y");
tryToAddAuxVar("t");
tryToAddAuxVar("j");
/*Log.d(AndroidVarsRegistry.class.getName(), vars.size() + " variables registered!");
for (Var var : vars) {
Log.d(AndroidVarsRegistry.class.getName(), var.toString());
}*/
}
@NotNull
@Override
protected JBuilder<? extends IConstant> createBuilder(@NotNull Var entity) {
return new Var.Builder(entity);
}
@NotNull
@Override
protected MathEntityPersistenceContainer<Var> createPersistenceContainer() {
return new Vars();
}
private void tryToAddAuxVar(@NotNull String name) {
if ( !contains(name) ) {
add(new Var.Builder(name, (String)null));
}
}
@NotNull
@Override
protected Var transform(@NotNull IConstant entity) {
if (entity instanceof Var) {
return (Var) entity;
} else {
return new Var.Builder(entity).create();
}
}
@Override
public String getDescription(@NotNull String mathEntityName) {
final IConstant var = get(mathEntityName);
if (var != null && !var.isSystem()) {
return var.getDescription();
} else {
return super.getDescription(mathEntityName);
}
}
@Override
public String getCategory(@NotNull IConstant var) {
for (VarCategory category : VarCategory.values()) {
if ( category.isInCategory(var) ) {
return category.name();
}
}
return null;
}
}

18
core/src/main/java/org/solovyev/android/calculator/Change.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
/**
* User: serso
* Date: 10/1/12
* Time: 11:16 PM
*/
public interface Change<T> {
@NotNull
T getOldValue();
@NotNull
T getNewValue();
}

42
core/src/main/java/org/solovyev/android/calculator/ChangeImpl.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
/**
* User: serso
* Date: 10/1/12
* Time: 11:18 PM
*/
public class ChangeImpl<T> implements Change<T> {
@NotNull
private T oldValue;
@NotNull
private T newValue;
private ChangeImpl() {
}
@NotNull
public static <T> Change<T> newInstance(@NotNull T oldValue, @NotNull T newValue) {
final ChangeImpl<T> result = new ChangeImpl<T>();
result.oldValue = oldValue;
result.newValue = newValue;
return result;
}
@NotNull
@Override
public T getOldValue() {
return this.oldValue;
}
@NotNull
@Override
public T getNewValue() {
return this.newValue;
}
}

14
core/src/main/java/org/solovyev/android/calculator/ConversionFailure.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
/**
* User: Solovyev_S
* Date: 24.09.12
* Time: 16:12
*/
public interface ConversionFailure {
@NotNull
Exception getException();
}

24
core/src/main/java/org/solovyev/android/calculator/ConversionFailureImpl.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
/**
* User: Solovyev_S
* Date: 24.09.12
* Time: 16:12
*/
public class ConversionFailureImpl implements ConversionFailure {
@NotNull
private Exception exception;
public ConversionFailureImpl(@NotNull Exception exception) {
this.exception = exception;
}
@NotNull
@Override
public Exception getException() {
return this.exception;
}
}

24
core/src/main/java/org/solovyev/android/calculator/DummyCalculatorClipboard.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
/**
* User: serso
* Date: 9/22/12
* Time: 2:00 PM
*/
public class DummyCalculatorClipboard implements CalculatorClipboard {
@Override
public String getText() {
return null;
}
@Override
public void setText(@NotNull String text) {
}
@Override
public void setText(@NotNull CharSequence text) {
}
}

32
core/src/main/java/org/solovyev/android/calculator/DummyCalculatorNotifier.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.common.msg.Message;
import org.solovyev.common.msg.MessageType;
import java.util.List;
/**
* User: serso
* Date: 9/22/12
* Time: 2:00 PM
*/
public class DummyCalculatorNotifier implements CalculatorNotifier {
@Override
public void showMessage(@NotNull Message message) {
}
@Override
public void showMessage(@NotNull Integer messageCode, @NotNull MessageType messageType, @NotNull List<Object> parameters) {
}
@Override
public void showMessage(@NotNull Integer messageCode, @NotNull MessageType messageType, @Nullable Object... parameters) {
}
@Override
public void showDebugMessage(@Nullable String tag, @NotNull String message) {
}
}

27
core/src/main/java/org/solovyev/android/calculator/Editor.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator;
import org.jetbrains.annotations.Nullable;
/**
* User: serso
* Date: 12/17/11
* Time: 9:37 PM
*/
public interface Editor {
@Nullable
CharSequence getText();
void setText(@Nullable CharSequence text);
int getSelection();
void setSelection(int selection);
}

89
core/src/main/java/org/solovyev/android/calculator/FunctionCategory.java Normal file
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package org.solovyev.android.calculator;
import jscl.math.function.ArcTrigonometric;
import jscl.math.function.Comparison;
import jscl.math.function.Function;
import jscl.math.function.Trigonometric;
import org.jetbrains.annotations.NotNull;
import org.solovyev.common.collections.CollectionsUtils;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
/**
* User: serso
* Date: 10/7/12
* Time: 7:15 PM
*/
public enum FunctionCategory {
trigonometric(100){
@Override
public boolean isInCategory(@NotNull Function function) {
return (function instanceof Trigonometric || function instanceof ArcTrigonometric) && !hyperbolic_trigonometric.isInCategory(function);
}
},
hyperbolic_trigonometric(300) {
private final List<String> names = Arrays.asList("sinh", "cosh", "tanh", "coth", "asinh", "acosh", "atanh", "acoth");
@Override
public boolean isInCategory(@NotNull Function function) {
return names.contains(function.getName());
}
},
comparison(200) {
@Override
public boolean isInCategory(@NotNull Function function) {
return function instanceof Comparison;
}
},
my(0) {
@Override
public boolean isInCategory(@NotNull Function function) {
return !function.isSystem();
}
},
common(50) {
@Override
public boolean isInCategory(@NotNull Function function) {
for (FunctionCategory category : values()) {
if ( category != this ) {
if ( category.isInCategory(function) ) {
return false;
}
}
}
return true;
}
};
private final int tabOrder;
FunctionCategory(int tabOrder) {
this.tabOrder = tabOrder;
}
public abstract boolean isInCategory(@NotNull Function function);
@NotNull
public static List<FunctionCategory> getCategoriesByTabOrder() {
final List<FunctionCategory> result = CollectionsUtils.asList(FunctionCategory.values());
Collections.sort(result, new Comparator<FunctionCategory>() {
@Override
public int compare(FunctionCategory category, FunctionCategory category1) {
return category.tabOrder - category1.tabOrder;
}
});
return result;
}
}

58
core/src/main/java/org/solovyev/android/calculator/ListCalculatorEventContainer.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.common.utils.ListListenersContainer;
import java.util.Arrays;
import java.util.List;
/**
* User: Solovyev_S
* Date: 20.09.12
* Time: 16:42
*/
public class ListCalculatorEventContainer implements CalculatorEventContainer {
@NotNull
private static final String TAG = "CalculatorEventData";
@NotNull
private final ListListenersContainer<CalculatorEventListener> listeners = new ListListenersContainer<CalculatorEventListener>();
@Override
public void addCalculatorEventListener(@NotNull CalculatorEventListener calculatorEventListener) {
listeners.addListener(calculatorEventListener);
}
@Override
public void removeCalculatorEventListener(@NotNull CalculatorEventListener calculatorEventListener) {
listeners.removeListener(calculatorEventListener);
}
@Override
public void fireCalculatorEvent(@NotNull CalculatorEventData calculatorEventData, @NotNull CalculatorEventType calculatorEventType, @Nullable Object data) {
fireCalculatorEvents(Arrays.asList(new CalculatorEvent(calculatorEventData, calculatorEventType, data)));
}
@Override
public void fireCalculatorEvents(@NotNull List<CalculatorEvent> calculatorEvents) {
final List<CalculatorEventListener> listeners = this.listeners.getListeners();
//final CalculatorLogger logger = Locator.getInstance().getLogger();
for (CalculatorEvent e : calculatorEvents) {
//Locator.getInstance().getLogger().debug(TAG, "Event fired: " + e.getCalculatorEventType());
for (CalculatorEventListener listener : listeners) {
/*long startTime = System.currentTimeMillis();*/
listener.onCalculatorEvent(e.getCalculatorEventData(), e.getCalculatorEventType(), e.getData());
/* long endTime = System.currentTimeMillis();
long totalTime = (endTime - startTime);
if ( totalTime > 300 ) {
logger.debug(TAG + "_" + e.getCalculatorEventData().getEventId(), "Started event: " + e.getCalculatorEventType() + " with data: " + e.getData() + " for: " + listener.getClass().getSimpleName());
logger.debug(TAG + "_" + e.getCalculatorEventData().getEventId(), "Total time, ms: " + totalTime);
}*/
}
}
}
}

54
core/src/main/java/org/solovyev/android/calculator/LiteNumberBuilder.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator;
import jscl.NumeralBase;
import org.jetbrains.annotations.NotNull;
import org.solovyev.android.calculator.math.MathType;
/**
* User: serso
* Date: 12/15/11
* Time: 8:33 PM
*/
public class LiteNumberBuilder extends AbstractNumberBuilder {
public LiteNumberBuilder(@NotNull CalculatorEngine engine) {
super(engine);
this.nb = engine.getNumeralBase();
}
public void process(@NotNull MathType.Result mathTypeResult) {
if (canContinue(mathTypeResult)) {
// let's continue building number
if (numberBuilder == null) {
// if new number => create new builder
numberBuilder = new StringBuilder();
}
if (mathTypeResult.getMathType() != MathType.numeral_base) {
// just add matching string
numberBuilder.append(mathTypeResult.getMatch());
} else {
// set explicitly numeral base (do not include it into number)
nb = NumeralBase.getByPrefix(mathTypeResult.getMatch());
}
} else {
// process current number (and go to the next one)
if (numberBuilder != null) {
numberBuilder = null;
// must set default numeral base (exit numeral base mode)
nb = engine.getNumeralBase();
}
}
}
}

148
core/src/main/java/org/solovyev/android/calculator/Locator.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.solovyev.android.calculator.external.CalculatorExternalListenersContainer;
import org.solovyev.android.calculator.history.CalculatorHistory;
/**
* User: Solovyev_S
* Date: 20.09.12
* Time: 12:45
*/
public class Locator implements CalculatorLocator {
@NotNull
private CalculatorEngine calculatorEngine;
@NotNull
private Calculator calculator;
@NotNull
private CalculatorEditor calculatorEditor;
@NotNull
private CalculatorDisplay calculatorDisplay;
@NotNull
private CalculatorKeyboard calculatorKeyboard;
@NotNull
private CalculatorHistory calculatorHistory;
@NotNull
private CalculatorNotifier calculatorNotifier = new DummyCalculatorNotifier();
@NotNull
private CalculatorLogger calculatorLogger = new SystemOutCalculatorLogger();
@NotNull
private CalculatorClipboard calculatorClipboard = new DummyCalculatorClipboard();
@NotNull
private static final CalculatorLocator instance = new Locator();
@NotNull
private CalculatorPreferenceService calculatorPreferenceService;
@NotNull
private CalculatorExternalListenersContainer calculatorExternalListenersContainer;
public Locator() {
}
@Override
public void init(@NotNull Calculator calculator,
@NotNull CalculatorEngine engine,
@NotNull CalculatorClipboard clipboard,
@NotNull CalculatorNotifier notifier,
@NotNull CalculatorHistory history,
@NotNull CalculatorLogger logger,
@NotNull CalculatorPreferenceService preferenceService,
@NotNull CalculatorKeyboard keyboard,
@NotNull CalculatorExternalListenersContainer externalListenersContainer) {
this.calculator = calculator;
this.calculatorEngine = engine;
this.calculatorClipboard = clipboard;
this.calculatorNotifier = notifier;
this.calculatorHistory = history;
this.calculatorLogger = logger;
this.calculatorPreferenceService = preferenceService;
this.calculatorExternalListenersContainer = externalListenersContainer;
calculatorEditor = new CalculatorEditorImpl(this.calculator);
calculatorDisplay = new CalculatorDisplayImpl(this.calculator);
calculatorKeyboard = keyboard;
}
@NotNull
public static CalculatorLocator getInstance() {
return instance;
}
@NotNull
@Override
public CalculatorEngine getEngine() {
return calculatorEngine;
}
@NotNull
@Override
public Calculator getCalculator() {
return this.calculator;
}
@Override
@NotNull
public CalculatorDisplay getDisplay() {
return calculatorDisplay;
}
@NotNull
@Override
public CalculatorEditor getEditor() {
return calculatorEditor;
}
@Override
@NotNull
public CalculatorKeyboard getKeyboard() {
return calculatorKeyboard;
}
@Override
@NotNull
public CalculatorClipboard getClipboard() {
return calculatorClipboard;
}
@Override
@NotNull
public CalculatorNotifier getNotifier() {
return calculatorNotifier;
}
@Override
@NotNull
public CalculatorHistory getHistory() {
return calculatorHistory;
}
@Override
@NotNull
public CalculatorLogger getLogger() {
return calculatorLogger;
}
@NotNull
@Override
public CalculatorPreferenceService getPreferenceService() {
return this.calculatorPreferenceService;
}
@Override
@NotNull
public CalculatorExternalListenersContainer getExternalListenersContainer() {
return calculatorExternalListenersContainer;
}
}

20
core/src/main/java/org/solovyev/android/calculator/MathEntityDao.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* User: serso
* Date: 10/7/12
* Time: 6:43 PM
*/
public interface MathEntityDao<T extends MathPersistenceEntity> {
void save(@NotNull MathEntityPersistenceContainer<T> container);
@Nullable
MathEntityPersistenceContainer<T> load();
@Nullable
String getDescription(@NotNull String descriptionId);
}

14
core/src/main/java/org/solovyev/android/calculator/MathEntityPersistenceContainer.java Normal file
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package org.solovyev.android.calculator;
import java.util.List;
/**
* User: serso
* Date: 12/22/11
* Time: 5:03 PM
*/
public interface MathEntityPersistenceContainer<T extends MathPersistenceEntity> {
public List<T> getEntities();
}

20
core/src/main/java/org/solovyev/android/calculator/MathPersistenceEntity.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
/**
* User: serso
* Date: 12/22/11
* Time: 5:27 PM
*/
public interface MathPersistenceEntity {
@NotNull
String getName();
}

202
core/src/main/java/org/solovyev/android/calculator/NumberBuilder.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator;
import jscl.MathContext;
import jscl.MathEngine;
import jscl.NumeralBase;
import jscl.math.numeric.Real;
import jscl.text.*;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.android.calculator.math.MathType;
import org.solovyev.common.MutableObject;
import java.util.ArrayList;
import java.util.List;
/**
* User: serso
* Date: 10/23/11
* Time: 2:57 PM
*/
public class NumberBuilder extends AbstractNumberBuilder {
public NumberBuilder(@NotNull CalculatorEngine engine) {
super(engine);
}
/**
* Method replaces number in text according to some rules (e.g. formatting)
*
* @param text text where number can be replaced
* @param mathTypeResult math type result of current token
* @param offset offset between new number length and old number length (newNumberLength - oldNumberLength)
*
*
* @return new math type result (as one can be changed due to substituting of number with constant)
*/
@NotNull
public MathType.Result process(@NotNull StringBuilder text, @NotNull MathType.Result mathTypeResult, @Nullable MutableObject<Integer> offset) {
final MathType.Result possibleResult;
if (canContinue(mathTypeResult)) {
// let's continue building number
if (numberBuilder == null) {
// if new number => create new builder
numberBuilder = new StringBuilder();
}
if (mathTypeResult.getMathType() != MathType.numeral_base) {
// just add matching string
numberBuilder.append(mathTypeResult.getMatch());
} else {
// set explicitly numeral base (do not include it into number)
nb = NumeralBase.getByPrefix(mathTypeResult.getMatch());
}
possibleResult = null;
} else {
// process current number (and go to the next one)
possibleResult = processNumber(text, offset);
}
return possibleResult == null ? mathTypeResult : possibleResult;
}
/**
* Method replaces number in text according to some rules (e.g. formatting)
*
* @param text text where number can be replaced
* @param offset offset between new number length and old number length (newNumberLength - oldNumberLength)
*
* @return new math type result (as one can be changed due to substituting of number with constant)
*/
@Nullable
public MathType.Result processNumber(@NotNull StringBuilder text, @Nullable MutableObject<Integer> offset) {
// total number of trimmed chars
int trimmedChars = 0;
String number = null;
// toXml numeral base (as later it might be replaced)
final NumeralBase localNb = getNumeralBase();
if (numberBuilder != null) {
try {
number = numberBuilder.toString();
// let's get rid of unnecessary characters (grouping separators, + after E)
final List<String> tokens = new ArrayList<String>();
tokens.addAll(MathType.grouping_separator.getTokens());
// + after E can be omitted: 10+E = 10E (NOTE: - cannot be omitted )
tokens.add("+");
for (String groupingSeparator : tokens) {
final String trimmedNumber = number.replace(groupingSeparator, "");
trimmedChars += number.length() - trimmedNumber.length();
number = trimmedNumber;
}
// check if number still valid
toDouble(number, getNumeralBase(), engine.getMathEngine0());
} catch (NumberFormatException e) {
// number is not valid => stop
number = null;
}
numberBuilder = null;
// must set default numeral base (exit numeral base mode)
nb = engine.getNumeralBase();
}
return replaceNumberInText(text, number, trimmedChars, offset, localNb, engine.getMathEngine0());
}
@Nullable
private static MathType.Result replaceNumberInText(@NotNull StringBuilder text,
@Nullable String number,
int trimmedChars,
@Nullable MutableObject<Integer> offset,
@NotNull NumeralBase nb,
@NotNull final MathEngine engine) {
MathType.Result result = null;
if (number != null) {
// in any case remove old number from text
final int oldNumberLength = number.length() + trimmedChars;
text.delete(text.length() - oldNumberLength, text.length());
final String newNumber = formatNumber(number, nb, engine);
if (offset != null) {
// register offset between old number and new number
offset.setObject(newNumber.length() - oldNumberLength);
}
text.append(newNumber);
}
return result;
}
@NotNull
private static String formatNumber(@NotNull String number, @NotNull NumeralBase nb, @NotNull MathEngine engine) {
String result;
int indexOfDot = number.indexOf('.');
if (indexOfDot < 0) {
int indexOfE;
if (nb == NumeralBase.hex) {
indexOfE = -1;
} else {
indexOfE = number.indexOf(MathType.POWER_10);
}
if (indexOfE < 0) {
result = engine.addGroupingSeparators(nb, number);
} else {
final String partBeforeE;
if (indexOfE != 0) {
partBeforeE = engine.addGroupingSeparators(nb, number.substring(0, indexOfE));
} else {
partBeforeE = "";
}
result = partBeforeE + number.substring(indexOfE);
}
} else {
final String integerPart;
if (indexOfDot != 0) {
integerPart = engine.addGroupingSeparators(nb, number.substring(0, indexOfDot));
} else {
integerPart = "";
}
result = integerPart + number.substring(indexOfDot);
}
return result;
}
@NotNull
private static Double toDouble(@NotNull String s, @NotNull NumeralBase nb, @NotNull final MathContext mc) throws NumberFormatException {
final NumeralBase defaultNb = mc.getNumeralBase();
try {
mc.setNumeralBase(nb);
try {
return JsclIntegerParser.parser.parse(Parser.Parameters.newInstance(s, new MutableInt(0), mc), null).content().doubleValue();
} catch (ParseException e) {
try {
return ((Real) DoubleParser.parser.parse(Parser.Parameters.newInstance(s, new MutableInt(0), mc), null).content()).doubleValue();
} catch (ParseException e1) {
throw new NumberFormatException();
}
}
} finally {
mc.setNumeralBase(defaultNb);
}
}
}

78
core/src/main/java/org/solovyev/android/calculator/OperatorCategory.java Normal file
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package org.solovyev.android.calculator;
import jscl.math.operator.*;
import org.jetbrains.annotations.NotNull;
import org.solovyev.common.collections.CollectionsUtils;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
/**
* User: serso
* Date: 10/7/12
* Time: 7:40 PM
*/
public enum OperatorCategory {
derivatives(100){
@Override
public boolean isInCategory(@NotNull Operator operator) {
return operator instanceof Derivative || operator instanceof Integral || operator instanceof IndefiniteIntegral;
}
},
other(200) {
@Override
public boolean isInCategory(@NotNull Operator operator) {
return operator instanceof Sum || operator instanceof Product;
}
},
my(0) {
@Override
public boolean isInCategory(@NotNull Operator operator) {
return !operator.isSystem();
}
},
common(50) {
@Override
public boolean isInCategory(@NotNull Operator operator) {
for (OperatorCategory category : values()) {
if ( category != this ) {
if ( category.isInCategory(operator) ) {
return false;
}
}
}
return true;
}
};
private final int tabOrder;
OperatorCategory(int tabOrder) {
this.tabOrder = tabOrder;
}
public abstract boolean isInCategory(@NotNull Operator operator);
@NotNull
public static List<OperatorCategory> getCategoriesByTabOrder() {
final List<OperatorCategory> result = CollectionsUtils.asList(OperatorCategory.values());
Collections.sort(result, new Comparator<OperatorCategory>() {
@Override
public int compare(OperatorCategory category, OperatorCategory category1) {
return category.tabOrder - category1.tabOrder;
}
});
// todo serso: current solution (as creating operators is not implemented yet)
result.remove(my);
return result;
}
}

65
core/src/main/java/org/solovyev/android/calculator/PreparedExpression.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator;
import jscl.math.function.IConstant;
import org.jetbrains.annotations.NotNull;
import java.util.List;
/**
* User: serso
* Date: 10/18/11
* Time: 10:07 PM
*/
public class PreparedExpression implements CharSequence{
@NotNull
private String expression;
@NotNull
private List<IConstant> undefinedVars;
public PreparedExpression(@NotNull String expression, @NotNull List<IConstant> undefinedVars) {
this.expression = expression;
this.undefinedVars = undefinedVars;
}
@NotNull
public String getExpression() {
return expression;
}
public boolean isExistsUndefinedVar() {
return !this.undefinedVars.isEmpty();
}
@NotNull
public List<IConstant> getUndefinedVars() {
return undefinedVars;
}
@Override
public int length() {
return expression.length();
}
@Override
public char charAt(int i) {
return expression.charAt(i);
}
@Override
public CharSequence subSequence(int i, int i1) {
return expression.subSequence(i, i1);
}
@Override
public String toString() {
return this.expression;
}
}

37
core/src/main/java/org/solovyev/android/calculator/SystemOutCalculatorLogger.java Normal file
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package org.solovyev.android.calculator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* User: serso
* Date: 10/11/12
* Time: 12:12 AM
*/
public class SystemOutCalculatorLogger implements CalculatorLogger {
@NotNull
private static final String TAG = SystemOutCalculatorLogger.class.getSimpleName();
@Override
public void debug(@Nullable String tag, @NotNull String message) {
System.out.println(getTag(tag) + ": " + message);
}
@NotNull
private String getTag(@Nullable String tag) {
return tag != null ? tag : TAG;
}
@Override
public void debug(@Nullable String tag, @NotNull String message, @NotNull Throwable e) {
debug(tag, message);
e.printStackTrace(System.out);
}
@Override
public void error(@Nullable String tag, @NotNull String message, @NotNull Throwable e) {
System.out.println(getTag(tag) + ": " + message);
e.printStackTrace(System.out);
}
}

152
core/src/main/java/org/solovyev/android/calculator/ToJsclTextProcessor.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator;
import jscl.math.function.Function;
import jscl.math.function.IConstant;
import org.jetbrains.annotations.NotNull;
import org.solovyev.android.calculator.math.MathType;
import org.solovyev.android.calculator.text.TextProcessor;
import org.solovyev.common.StartsWithFinder;
import org.solovyev.common.collections.CollectionsUtils;
import org.solovyev.common.msg.MessageType;
import java.util.ArrayList;
import java.util.List;
public class ToJsclTextProcessor implements TextProcessor<PreparedExpression, String> {
@NotNull
private static final Integer MAX_DEPTH = 20;
@NotNull
private static final TextProcessor<PreparedExpression, String> instance = new ToJsclTextProcessor();
private ToJsclTextProcessor() {
}
@NotNull
public static TextProcessor<PreparedExpression, String> getInstance() {
return instance;
}
@Override
@NotNull
public PreparedExpression process(@NotNull String s) throws CalculatorParseException {
return processWithDepth(s, 0, new ArrayList<IConstant>());
}
private static PreparedExpression processWithDepth(@NotNull String s, int depth, @NotNull List<IConstant> undefinedVars) throws CalculatorParseException {
return replaceVariables(processExpression(s).toString(), depth, undefinedVars);
}
@NotNull
private static StringBuilder processExpression(@NotNull String s) throws CalculatorParseException {
final StartsWithFinder startsWithFinder = new StartsWithFinder(s, 0);
final StringBuilder result = new StringBuilder();
MathType.Result mathTypeResult = null;
MathType.Result mathTypeBefore;
final LiteNumberBuilder nb = new LiteNumberBuilder(Locator.getInstance().getEngine());
for (int i = 0; i < s.length(); i++) {
if (s.charAt(i) == ' ') continue;
startsWithFinder.setI(i);
mathTypeBefore = mathTypeResult == null ? null : mathTypeResult;
mathTypeResult = MathType.getType(s, i, nb.isHexMode());
nb.process(mathTypeResult);
if (mathTypeBefore != null) {
final MathType current = mathTypeResult.getMathType();
if (current.isNeedMultiplicationSignBefore(mathTypeBefore.getMathType())) {
result.append("*");
}
}
if (mathTypeBefore != null &&
(mathTypeBefore.getMathType() == MathType.function || mathTypeBefore.getMathType() == MathType.operator) &&
CollectionsUtils.find(MathType.openGroupSymbols, startsWithFinder) != null) {
final String functionName = mathTypeBefore.getMatch();
final Function function = Locator.getInstance().getEngine().getFunctionsRegistry().get(functionName);
if ( function == null || function.getMinParameters() > 0 ) {
throw new CalculatorParseException(i, s, new CalculatorMessage(CalculatorMessages.msg_005, MessageType.error, mathTypeBefore.getMatch()));
}
}
i = mathTypeResult.processToJscl(result, i);
}
return result;
}
@NotNull
private static PreparedExpression replaceVariables(@NotNull final String s, int depth, @NotNull List<IConstant> undefinedVars) throws CalculatorParseException {
if (depth >= MAX_DEPTH) {
throw new CalculatorParseException(s, new CalculatorMessage(CalculatorMessages.msg_006, MessageType.error));
} else {
depth++;
}
final StartsWithFinder startsWithFinder = new StartsWithFinder(s, 0);
final StringBuilder result = new StringBuilder();
for (int i = 0; i < s.length(); i++) {
startsWithFinder.setI(i);
int offset = 0;
String functionName = CollectionsUtils.find(MathType.function.getTokens(), startsWithFinder);
if (functionName == null) {
String operatorName = CollectionsUtils.find(MathType.operator.getTokens(), startsWithFinder);
if (operatorName == null) {
String varName = CollectionsUtils.find(Locator.getInstance().getEngine().getVarsRegistry().getNames(), startsWithFinder);
if (varName != null) {
final IConstant var = Locator.getInstance().getEngine().getVarsRegistry().get(varName);
if (var != null) {
if (!var.isDefined()) {
undefinedVars.add(var);
result.append(varName);
offset = varName.length();
} else {
final String value = var.getValue();
assert value != null;
if ( var.getDoubleValue() != null ) {
//result.append(value);
// NOTE: append varName as JSCL engine will convert it to double if needed
result.append(varName);
} else {
result.append("(").append(processWithDepth(value, depth, undefinedVars)).append(")");
}
offset = varName.length();
}
}
}
} else {
result.append(operatorName);
offset = operatorName.length();
}
} else {
result.append(functionName);
offset = functionName.length();
}
if (offset == 0) {
result.append(s.charAt(i));
} else {
i += offset - 1;
}
}
return new PreparedExpression(result.toString(), undefinedVars);
}
}

53
core/src/main/java/org/solovyev/android/calculator/VarCategory.java Normal file
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package org.solovyev.android.calculator;
import jscl.math.function.IConstant;
import org.jetbrains.annotations.NotNull;
import org.solovyev.common.collections.CollectionsUtils;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
/**
* User: serso
* Date: 12/22/11
* Time: 4:25 PM
*/
public enum VarCategory {
system(100){
@Override
public boolean isInCategory(@NotNull IConstant var) {
return var.isSystem();
}
},
my(0) {
@Override
public boolean isInCategory(@NotNull IConstant var) {
return !var.isSystem();
}
};
private final int tabOrder;
VarCategory(int tabOrder) {
this.tabOrder = tabOrder;
}
public abstract boolean isInCategory(@NotNull IConstant var);
@NotNull
public static List<VarCategory> getCategoriesByTabOrder() {
final List<VarCategory> result = CollectionsUtils.asList(VarCategory.values());
Collections.sort(result, new Comparator<VarCategory>() {
@Override
public int compare(VarCategory category, VarCategory category1) {
return category.tabOrder - category1.tabOrder;
}
});
return result;
}
}

10
core/src/main/java/org/solovyev/android/calculator/external/CalculatorExternalListenersContainer.java vendored Normal file
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package org.solovyev.android.calculator.external;
import org.jetbrains.annotations.NotNull;
public interface CalculatorExternalListenersContainer {
void addExternalListener(@NotNull Class<?> externalCalculatorClass);
boolean removeExternalListener(@NotNull Class<?> externalCalculatorClass);
}

80
core/src/main/java/org/solovyev/android/calculator/history/AbstractHistoryState.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator.history;
import org.jetbrains.annotations.Nullable;
import org.simpleframework.xml.Element;
import org.simpleframework.xml.Transient;
import java.util.Date;
/**
* User: serso
* Date: 10/15/11
* Time: 1:45 PM
*/
public class AbstractHistoryState implements Cloneable{
@Element
private long time = new Date().getTime();
@Element(required = false)
@Nullable
private String comment;
@Transient
private boolean saved;
@Transient
private int id = 0;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public long getTime() {
return time;
}
public void setTime(long time) {
this.time = time;
}
@Nullable
public String getComment() {
return comment;
}
public void setComment(@Nullable String comment) {
this.comment = comment;
}
public boolean isSaved() {
return saved;
}
public void setSaved(boolean saved) {
this.saved = saved;
}
@Override
protected AbstractHistoryState clone() {
AbstractHistoryState clone;
try {
clone = (AbstractHistoryState)super.clone();
} catch (CloneNotSupportedException e) {
throw new UnsupportedOperationException(e);
}
return clone;
}
}

142
core/src/main/java/org/solovyev/android/calculator/history/CalculatorDisplayHistoryState.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
*/
package org.solovyev.android.calculator.history;
import jscl.math.Generic;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.simpleframework.xml.Element;
import org.simpleframework.xml.Root;
import org.simpleframework.xml.Transient;
import org.solovyev.android.calculator.CalculatorDisplay;
import org.solovyev.android.calculator.CalculatorDisplayViewState;
import org.solovyev.android.calculator.CalculatorDisplayViewStateImpl;
import org.solovyev.android.calculator.jscl.JsclOperation;
import org.solovyev.common.text.StringUtils;
/**
* User: serso
* Date: 9/17/11
* Time: 11:05 PM
*/
@Root
public class CalculatorDisplayHistoryState implements Cloneable {
@Transient
private boolean valid = true;
@Transient
@Nullable
private String errorMessage = null;
@Element
@NotNull
private EditorHistoryState editorState;
@Element
@NotNull
private JsclOperation jsclOperation;
@Transient
@Nullable
private Generic genericResult;
private CalculatorDisplayHistoryState() {
// for xml
}
@NotNull
public static CalculatorDisplayHistoryState newInstance(@NotNull CalculatorDisplayViewState viewState) {
final CalculatorDisplayHistoryState result = new CalculatorDisplayHistoryState();
result.editorState = EditorHistoryState.newInstance(viewState);
result.valid = viewState.isValid();
result.jsclOperation = viewState.getOperation();
result.genericResult = viewState.getResult();
result.errorMessage = viewState.getErrorMessage();
return result;
}
public void setValuesFromHistory(@NotNull CalculatorDisplay display) {
if ( this.isValid() ) {
display.setViewState(CalculatorDisplayViewStateImpl.newValidState(this.getJsclOperation(), this.getGenericResult(), StringUtils.getNotEmpty(this.getEditorState().getText(), ""), this.getEditorState().getCursorPosition()));
} else {
display.setViewState(CalculatorDisplayViewStateImpl.newErrorState(this.getJsclOperation(), StringUtils.getNotEmpty(this.getErrorMessage(), "")));
}
}
public boolean isValid() {
return valid;
}
@NotNull
public EditorHistoryState getEditorState() {
return editorState;
}
@NotNull
public JsclOperation getJsclOperation() {
return jsclOperation;
}
@Nullable
public String getErrorMessage() {
return errorMessage;
}
@Nullable
public Generic getGenericResult() {
return genericResult;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
CalculatorDisplayHistoryState that = (CalculatorDisplayHistoryState) o;
if (!editorState.equals(that.editorState)) return false;
if (jsclOperation != that.jsclOperation) return false;
return true;
}
@Override
public int hashCode() {
int result = editorState.hashCode();
result = 31 * result + jsclOperation.hashCode();
return result;
}
@Override
public String toString() {
return "CalculatorDisplayHistoryState{" +
"valid=" + valid +
", errorMessage='" + errorMessage + '\'' +
", editorHistoryState=" + editorState +
", jsclOperation=" + jsclOperation +
'}';
}
@Override
protected CalculatorDisplayHistoryState clone() {
try {
final CalculatorDisplayHistoryState clone = (CalculatorDisplayHistoryState) super.clone();
clone.editorState = this.editorState.clone();
return clone;
} catch (CloneNotSupportedException e) {
throw new RuntimeException(e);
}
}
}

40
core/src/main/java/org/solovyev/android/calculator/history/CalculatorHistory.java Normal file
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package org.solovyev.android.calculator.history;
import org.jetbrains.annotations.NotNull;
import org.solovyev.android.calculator.CalculatorEventListener;
import org.solovyev.common.history.HistoryHelper;
import java.util.List;
/**
* User: Solovyev_S
* Date: 20.09.12
* Time: 16:11
*/
public interface CalculatorHistory extends HistoryHelper<CalculatorHistoryState>, CalculatorEventListener {
void load();
void save();
void fromXml(@NotNull String xml);
String toXml();
void clearSavedHistory();
void removeSavedHistory(@NotNull CalculatorHistoryState historyState);
@NotNull
List<CalculatorHistoryState> getSavedHistory();
@NotNull
CalculatorHistoryState addSavedState(@NotNull CalculatorHistoryState historyState);
@NotNull
List<CalculatorHistoryState> getStates();
@NotNull
List<CalculatorHistoryState> getStates(boolean includeIntermediateStates);
}

257
core/src/main/java/org/solovyev/android/calculator/history/CalculatorHistoryImpl.java Normal file
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package org.solovyev.android.calculator.history;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.android.calculator.*;
import org.solovyev.common.collections.CollectionsUtils;
import org.solovyev.common.history.HistoryAction;
import org.solovyev.common.history.HistoryHelper;
import org.solovyev.common.history.SimpleHistoryHelper;
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
import static org.solovyev.android.calculator.CalculatorEventType.*;
/**
* User: Solovyev_S
* Date: 20.09.12
* Time: 16:12
*/
public class CalculatorHistoryImpl implements CalculatorHistory {
private final AtomicInteger counter = new AtomicInteger(0);
@NotNull
private final HistoryHelper<CalculatorHistoryState> history = new SimpleHistoryHelper<CalculatorHistoryState>();
@NotNull
private final List<CalculatorHistoryState> savedHistory = new ArrayList<CalculatorHistoryState>();
@NotNull
private final CalculatorEventHolder lastEventData = new CalculatorEventHolder(CalculatorUtils.createFirstEventDataId());
@Nullable
private volatile CalculatorEditorViewState lastEditorViewState;
public CalculatorHistoryImpl(@NotNull Calculator calculator) {
calculator.addCalculatorEventListener(this);
}
@Override
public boolean isEmpty() {
synchronized (history) {
return this.history.isEmpty();
}
}
@Override
public CalculatorHistoryState getLastHistoryState() {
synchronized (history) {
return this.history.getLastHistoryState();
}
}
@Override
public boolean isUndoAvailable() {
synchronized (history) {
return history.isUndoAvailable();
}
}
@Override
public CalculatorHistoryState undo(@Nullable CalculatorHistoryState currentState) {
synchronized (history) {
return history.undo(currentState);
}
}
@Override
public boolean isRedoAvailable() {
return history.isRedoAvailable();
}
@Override
public CalculatorHistoryState redo(@Nullable CalculatorHistoryState currentState) {
synchronized (history) {
return history.redo(currentState);
}
}
@Override
public boolean isActionAvailable(@NotNull HistoryAction historyAction) {
synchronized (history) {
return history.isActionAvailable(historyAction);
}
}
@Override
public CalculatorHistoryState doAction(@NotNull HistoryAction historyAction, @Nullable CalculatorHistoryState currentState) {
synchronized (history) {
return history.doAction(historyAction, currentState);
}
}
@Override
public void addState(@Nullable CalculatorHistoryState currentState) {
synchronized (history) {
history.addState(currentState);
Locator.getInstance().getCalculator().fireCalculatorEvent(CalculatorEventType.history_state_added, currentState);
}
}
@NotNull
@Override
public List<CalculatorHistoryState> getStates() {
synchronized (history) {
return history.getStates();
}
}
@NotNull
@Override
public List<CalculatorHistoryState> getStates(boolean includeIntermediateStates) {
if (includeIntermediateStates) {
return getStates();
} else {
final List<CalculatorHistoryState> states = getStates();
final List<CalculatorHistoryState> result = new LinkedList<CalculatorHistoryState>();
CalculatorHistoryState laterState = null;
for (CalculatorHistoryState state : CollectionsUtils.reversed(states)) {
if ( laterState != null ) {
final String laterEditorText = laterState.getEditorState().getText();
final String editorText = state.getEditorState().getText();
if ( laterEditorText != null && editorText != null && isIntermediate(laterEditorText, editorText)) {
// intermediate result => skip from add
} else {
result.add(0, state);
}
} else {
result.add(0, state);
}
laterState = state;
}
return result;
}
}
private boolean isIntermediate(@NotNull String laterEditorText,
@NotNull String editorText) {
if ( Math.abs(laterEditorText.length() - editorText.length()) <= 1 ) {
if ( laterEditorText.length() > editorText.length() ) {
return laterEditorText.startsWith(editorText);
} else {
return editorText.startsWith(laterEditorText);
}
}
return false;
}
@Override
public void clear() {
synchronized (history) {
this.history.clear();
}
}
@Override
@NotNull
public List<CalculatorHistoryState> getSavedHistory() {
return Collections.unmodifiableList(savedHistory);
}
@Override
@NotNull
public CalculatorHistoryState addSavedState(@NotNull CalculatorHistoryState historyState) {
if (historyState.isSaved()) {
return historyState;
} else {
final CalculatorHistoryState savedState = historyState.clone();
savedState.setId(counter.incrementAndGet());
savedState.setSaved(true);
savedHistory.add(savedState);
return savedState;
}
}
@Override
public void load() {
// todo serso: create saved/loader class
}
@Override
public void save() {
// todo serso: create saved/loader class
}
@Override
public void fromXml(@NotNull String xml) {
clearSavedHistory();
HistoryUtils.fromXml(xml, this.savedHistory);
for (CalculatorHistoryState historyState : savedHistory) {
historyState.setSaved(true);
historyState.setId(counter.incrementAndGet());
}
}
@Override
public String toXml() {
return HistoryUtils.toXml(this.savedHistory);
}
@Override
public void clearSavedHistory() {
this.savedHistory.clear();
}
@Override
public void removeSavedHistory(@NotNull CalculatorHistoryState historyState) {
this.savedHistory.remove(historyState);
}
@Override
public void onCalculatorEvent(@NotNull CalculatorEventData calculatorEventData,
@NotNull CalculatorEventType calculatorEventType,
@Nullable Object data) {
if (calculatorEventType.isOfType(editor_state_changed, display_state_changed, manual_calculation_requested)) {
final CalculatorEventHolder.Result result = lastEventData.apply(calculatorEventData);
if (result.isNewAfter() && result.isNewSameOrAfterSequence() ) {
switch (calculatorEventType) {
case manual_calculation_requested:
lastEditorViewState = (CalculatorEditorViewState) data;
break;
case editor_state_changed:
final CalculatorEditorChangeEventData editorChangeData = (CalculatorEditorChangeEventData) data;
lastEditorViewState = editorChangeData.getNewValue();
break;
case display_state_changed:
if (result.isSameSequence()) {
if (lastEditorViewState != null) {
final CalculatorEditorViewState editorViewState = lastEditorViewState;
final CalculatorDisplayChangeEventData displayChangeData = (CalculatorDisplayChangeEventData) data;
final CalculatorDisplayViewState displayViewState = displayChangeData.getNewValue();
addState(CalculatorHistoryState.newInstance(editorViewState, displayViewState));
}
} else {
lastEditorViewState = null;
}
break;
}
}
}
}
}

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core/src/main/java/org/solovyev/android/calculator/history/CalculatorHistoryState.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
*/
package org.solovyev.android.calculator.history;
import org.jetbrains.annotations.NotNull;
import org.simpleframework.xml.Element;
import org.simpleframework.xml.Root;
import org.solovyev.android.calculator.*;
/**
* User: serso
* Date: 9/11/11
* Time: 12:16 AM
*/
@Root
public class CalculatorHistoryState extends AbstractHistoryState {
@Element
@NotNull
private EditorHistoryState editorState;
@Element
@NotNull
private CalculatorDisplayHistoryState displayState;
private CalculatorHistoryState() {
// for xml
}
private CalculatorHistoryState(@NotNull EditorHistoryState editorState,
@NotNull CalculatorDisplayHistoryState displayState) {
this.editorState = editorState;
this.displayState = displayState;
}
@NotNull
public static CalculatorHistoryState newInstance(@NotNull CalculatorEditor editor,
@NotNull CalculatorDisplay display) {
final CalculatorEditorViewState editorViewState = editor.getViewState();
final CalculatorDisplayViewState displayViewState = display.getViewState();
return newInstance(editorViewState, displayViewState);
}
@NotNull
public static CalculatorHistoryState newInstance(@NotNull CalculatorEditorViewState editorViewState,
@NotNull CalculatorDisplayViewState displayViewState) {
final EditorHistoryState editorHistoryState = EditorHistoryState.newInstance(editorViewState);
final CalculatorDisplayHistoryState displayHistoryState = CalculatorDisplayHistoryState.newInstance(displayViewState);
return new CalculatorHistoryState(editorHistoryState, displayHistoryState);
}
@NotNull
public EditorHistoryState getEditorState() {
return editorState;
}
public void setEditorState(@NotNull EditorHistoryState editorState) {
this.editorState = editorState;
}
@NotNull
public CalculatorDisplayHistoryState getDisplayState() {
return displayState;
}
public void setDisplayState(@NotNull CalculatorDisplayHistoryState displayState) {
this.displayState = displayState;
}
@Override
public String toString() {
return "CalculatorHistoryState{" +
"editorState=" + editorState +
", displayState=" + displayState +
'}';
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
CalculatorHistoryState that = (CalculatorHistoryState) o;
if (this.isSaved() != that.isSaved()) return false;
if (this.getId() != that.getId()) return false;
if (!displayState.equals(that.displayState)) return false;
if (!editorState.equals(that.editorState)) return false;
return true;
}
@Override
public int hashCode() {
int result = Boolean.valueOf(isSaved()).hashCode();
result = 31 * result + getId();
result = 31 * result + editorState.hashCode();
result = 31 * result + displayState.hashCode();
return result;
}
public void setValuesFromHistory(@NotNull CalculatorEditor editor, @NotNull CalculatorDisplay display) {
this.getEditorState().setValuesFromHistory(editor);
this.getDisplayState().setValuesFromHistory(display);
}
@Override
protected CalculatorHistoryState clone() {
final CalculatorHistoryState clone = (CalculatorHistoryState)super.clone();
clone.editorState = this.editorState.clone();
clone.displayState = this.displayState.clone();
return clone;
}
}

101
core/src/main/java/org/solovyev/android/calculator/history/EditorHistoryState.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
*/
package org.solovyev.android.calculator.history;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.simpleframework.xml.Element;
import org.simpleframework.xml.Root;
import org.solovyev.android.calculator.CalculatorDisplayViewState;
import org.solovyev.android.calculator.CalculatorEditor;
import org.solovyev.android.calculator.CalculatorEditorViewState;
import org.solovyev.common.text.StringUtils;
@Root
public class EditorHistoryState implements Cloneable{
@Element
private int cursorPosition;
@Element(required = false)
@Nullable
private String text = "";
private EditorHistoryState() {
// for xml
}
@NotNull
public static EditorHistoryState newInstance(@NotNull CalculatorEditorViewState viewState) {
final EditorHistoryState result = new EditorHistoryState();
result.text = String.valueOf(viewState.getText());
result.cursorPosition = viewState.getSelection();
return result;
}
@NotNull
public static EditorHistoryState newInstance(@NotNull CalculatorDisplayViewState viewState) {
final EditorHistoryState result = new EditorHistoryState();
result.text = viewState.getText();
result.cursorPosition = viewState.getSelection();
return result;
}
public void setValuesFromHistory(@NotNull CalculatorEditor editor) {
editor.setText(StringUtils.getNotEmpty(this.getText(), ""));
editor.setSelection(this.getCursorPosition());
}
@Nullable
public String getText() {
return text;
}
public int getCursorPosition() {
return cursorPosition;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof EditorHistoryState)) return false;
EditorHistoryState that = (EditorHistoryState) o;
if (cursorPosition != that.cursorPosition) return false;
if (text != null ? !text.equals(that.text) : that.text != null) return false;
return true;
}
@Override
public int hashCode() {
int result = cursorPosition;
result = 31 * result + (text != null ? text.hashCode() : 0);
return result;
}
@Override
public String toString() {
return "EditorHistoryState{" +
"cursorPosition=" + cursorPosition +
", text='" + text + '\'' +
'}';
}
@Override
protected EditorHistoryState clone() {
try {
return (EditorHistoryState)super.clone();
} catch (CloneNotSupportedException e) {
throw new UnsupportedOperationException(e);
}
}
}

33
core/src/main/java/org/solovyev/android/calculator/history/History.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator.history;
import org.simpleframework.xml.ElementList;
import org.simpleframework.xml.Root;
import java.util.ArrayList;
import java.util.List;
/**
* User: serso
* Date: 12/17/11
* Time: 9:30 PM
*/
@Root
public class History {
@ElementList(type = CalculatorHistoryState.class)
private List<CalculatorHistoryState> historyItems = new ArrayList<CalculatorHistoryState>();
public History() {
}
public List<CalculatorHistoryState> getHistoryItems() {
return historyItems;
}
}

61
core/src/main/java/org/solovyev/android/calculator/history/HistoryUtils.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator.history;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.simpleframework.xml.Serializer;
import org.simpleframework.xml.core.Persister;
import java.io.StringWriter;
import java.util.List;
/**
* User: serso
* Date: 12/17/11
* Time: 9:59 PM
*/
class HistoryUtils {
// not intended for instantiation
private HistoryUtils() {
throw new AssertionError();
}
public static void fromXml(@Nullable String xml, @NotNull List<CalculatorHistoryState> historyItems) {
if (xml != null) {
final Serializer serializer = new Persister();
try {
final History history = serializer.read(History.class, xml);
for (CalculatorHistoryState historyItem : history.getHistoryItems()) {
historyItems.add(historyItem);
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}
@NotNull
public static String toXml(@NotNull List<CalculatorHistoryState> historyItems) {
final History history = new History();
for (CalculatorHistoryState historyState : historyItems) {
if (historyState.isSaved()) {
history.getHistoryItems().add(historyState);
}
}
final StringWriter xml = new StringWriter();
final Serializer serializer = new Persister();
try {
serializer.write(history, xml);
} catch (Exception e) {
throw new RuntimeException(e);
}
return xml.toString();
}
}

28
core/src/main/java/org/solovyev/android/calculator/jscl/FromJsclNumericTextProcessor.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator.jscl;
import jscl.math.Generic;
import org.jetbrains.annotations.NotNull;
import org.solovyev.android.calculator.CalculatorParseException;
import org.solovyev.android.calculator.text.TextProcessor;
/**
* User: serso
* Date: 10/6/11
* Time: 9:48 PM
*/
class FromJsclNumericTextProcessor implements TextProcessor<String, Generic> {
public static final FromJsclNumericTextProcessor instance = new FromJsclNumericTextProcessor();
@NotNull
@Override
public String process(@NotNull Generic numeric) throws CalculatorParseException {
return numeric.toString().replace("*", "");
}
}

70
core/src/main/java/org/solovyev/android/calculator/jscl/JsclOperation.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
*/
package org.solovyev.android.calculator.jscl;
import jscl.math.Generic;
import jscl.text.ParseException;
import org.jetbrains.annotations.NotNull;
import org.solovyev.android.calculator.CalculatorMathEngine;
import org.solovyev.android.calculator.text.DummyTextProcessor;
import org.solovyev.android.calculator.text.FromJsclSimplifyTextProcessor;
import org.solovyev.android.calculator.text.TextProcessor;
public enum JsclOperation {
simplify,
elementary,
numeric;
JsclOperation() {
}
@NotNull
public TextProcessor<String, Generic> getFromProcessor() {
switch (this) {
case simplify:
return FromJsclSimplifyTextProcessor.instance;
case elementary:
return DummyTextProcessor.instance;
case numeric:
return FromJsclNumericTextProcessor.instance;
default:
throw new UnsupportedOperationException();
}
}
@NotNull
public final String evaluate(@NotNull String expression, @NotNull CalculatorMathEngine engine) throws ParseException {
switch (this) {
case simplify:
return engine.simplify(expression);
case elementary:
return engine.elementary(expression);
case numeric:
return engine.evaluate(expression);
default:
throw new UnsupportedOperationException();
}
}
@NotNull
public final Generic evaluateGeneric(@NotNull String expression, @NotNull CalculatorMathEngine engine) throws ParseException {
switch (this) {
case simplify:
return engine.simplifyGeneric(expression);
case elementary:
return engine.elementaryGeneric(expression);
case numeric:
return engine.evaluateGeneric(expression);
default:
throw new UnsupportedOperationException();
}
}
}

445
core/src/main/java/org/solovyev/android/calculator/math/MathType.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
*/
package org.solovyev.android.calculator.math;
import jscl.JsclMathEngine;
import jscl.NumeralBase;
import jscl.math.function.Constants;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.android.calculator.Locator;
import org.solovyev.common.JPredicate;
import org.solovyev.common.StartsWithFinder;
import org.solovyev.android.calculator.CalculatorParseException;
import org.solovyev.common.collections.CollectionsUtils;
import java.util.*;
public enum MathType {
numeral_base(50, true, false, MathGroupType.number) {
private final List<String> tokens = new ArrayList<String>(10);
{
for (NumeralBase numeralBase : NumeralBase.values()) {
tokens.add(numeralBase.getJsclPrefix());
}
}
@NotNull
@Override
public List<String> getTokens() {
return tokens;
}
},
dot(200, true, true, MathGroupType.number, ".") {
@Override
public boolean isNeedMultiplicationSignBefore(@NotNull MathType mathTypeBefore) {
return super.isNeedMultiplicationSignBefore(mathTypeBefore) && mathTypeBefore != digit;
}
},
grouping_separator(250, false, false, MathGroupType.number, "'", " "){
@Override
public int processToJscl(@NotNull StringBuilder result, int i, @NotNull String match) throws CalculatorParseException {
return i;
}
},
power_10(300, false, false, MathGroupType.number, "E"),
postfix_function(400, false, true, MathGroupType.function) {
@NotNull
@Override
public List<String> getTokens() {
return Locator.getInstance().getEngine().getPostfixFunctionsRegistry().getNames();
}
},
unary_operation(500, false, false, MathGroupType.operation, "-", "="),
binary_operation(600, false, false, MathGroupType.operation, "-", "+", "*", "×", "∙", "/", "^") {
@Override
protected String getSubstituteToJscl(@NotNull String match) {
if (match.equals("×") || match.equals("∙")) {
return "*";
} else {
return null;
}
}
},
open_group_symbol(800, true, false, MathGroupType.other, "[", "(", "{") {
@Override
public boolean isNeedMultiplicationSignBefore(@NotNull MathType mathTypeBefore) {
return super.isNeedMultiplicationSignBefore(mathTypeBefore) && mathTypeBefore != function && mathTypeBefore != operator;
}
@Override
protected String getSubstituteToJscl(@NotNull String match) {
return "(";
}
},
close_group_symbol(900, false, true, MathGroupType.other, "]", ")", "}") {
@Override
public boolean isNeedMultiplicationSignBefore(@NotNull MathType mathTypeBefore) {
return false;
}
@Override
protected String getSubstituteToJscl(@NotNull String match) {
return ")";
}
},
function(1000, true, true, MathGroupType.function) {
@NotNull
@Override
public List<String> getTokens() {
return Locator.getInstance().getEngine().getFunctionsRegistry().getNames();
}
},
operator(1050, true, true, MathGroupType.function) {
@NotNull
@Override
public List<String> getTokens() {
return Locator.getInstance().getEngine().getOperatorsRegistry().getNames();
}
},
constant(1100, true, true, MathGroupType.other) {
@NotNull
@Override
public List<String> getTokens() {
return Locator.getInstance().getEngine().getVarsRegistry().getNames();
}
@Override
protected String getSubstituteFromJscl(@NotNull String match) {
return Constants.INF_2.getName().equals(match) ? MathType.INFINITY : super.getSubstituteFromJscl(match);
}
},
digit(1125, true, true, MathGroupType.number) {
private final List<String> tokens = new ArrayList<String>(16);
{
for (Character character : NumeralBase.hex.getAcceptableCharacters()) {
tokens.add(character.toString());
}
}
@Override
public boolean isNeedMultiplicationSignBefore(@NotNull MathType mathTypeBefore) {
return super.isNeedMultiplicationSignBefore(mathTypeBefore) && mathTypeBefore != digit && mathTypeBefore != dot /*&& mathTypeBefore != numeral_base*/;
}
@NotNull
@Override
public List<String> getTokens() {
return tokens;
}
},
comma(1150, false, false, MathGroupType.other, ","),
text(1200, false, false, MathGroupType.other) {
@Override
public int processToJscl(@NotNull StringBuilder result, int i, @NotNull String match) {
if (match.length() > 0) {
result.append(match.charAt(0));
}
return i;
}
@Override
public int processFromJscl(@NotNull StringBuilder result, int i, @NotNull String match) {
if (match.length() > 0) {
result.append(match.charAt(0));
}
return i;
}
};
public static enum MathGroupType {
function,
number,
operation,
other
}
@NotNull
private final List<String> tokens;
@NotNull
private final Integer priority;
private final boolean needMultiplicationSignBefore;
private final boolean needMultiplicationSignAfter;
@NotNull
private final MathGroupType groupType;
MathType(@NotNull Integer priority,
boolean needMultiplicationSignBefore,
boolean needMultiplicationSignAfter,
@NotNull MathGroupType groupType,
@NotNull String... tokens) {
this(priority, needMultiplicationSignBefore, needMultiplicationSignAfter, groupType, CollectionsUtils.asList(tokens));
}
MathType(@NotNull Integer priority,
boolean needMultiplicationSignBefore,
boolean needMultiplicationSignAfter,
@NotNull MathGroupType groupType,
@NotNull List<String> tokens) {
this.priority = priority;
this.needMultiplicationSignBefore = needMultiplicationSignBefore;
this.needMultiplicationSignAfter = needMultiplicationSignAfter;
this.groupType = groupType;
this.tokens = Collections.unmodifiableList(tokens);
}
@NotNull
public MathGroupType getGroupType() {
return groupType;
}
/* public static int getPostfixFunctionStart(@NotNull CharSequence s, int position) throws ParseException {
assert s.length() > position;
int numberOfOpenGroups = 0;
int result = position;
for (; result >= 0; result--) {
final MathType mathType = getType(s.toString(), result).getMathType();
if (CollectionsUtils.contains(mathType, digit, dot, grouping_separator, power_10)) {
// continue
} else if (mathType == close_group_symbol) {
numberOfOpenGroups++;
} else if (mathType == open_group_symbol) {
if (numberOfOpenGroups > 0) {
numberOfOpenGroups--;
} else {
break;
}
} else {
if (stop(s, numberOfOpenGroups, result)) break;
}
}
if (numberOfOpenGroups != 0){
throw new ParseException("Could not find start of prefix function!");
}
return result;
}
public static boolean stop(CharSequence s, int numberOfOpenGroups, int i) {
if (numberOfOpenGroups == 0) {
if (i > 0) {
final EndsWithFinder endsWithFinder = new EndsWithFinder(s);
endsWithFinder.setI(i + 1);
if (!CollectionsUtils.contains(function.getTokens(), FilterType.included, endsWithFinder)) {
MathType type = getType(s.toString(), i).getMathType();
if (type != constant) {
return true;
}
}
} else {
return true;
}
}
return false;
}*/
@NotNull
public List<String> getTokens() {
return tokens;
}
private boolean isNeedMultiplicationSignBefore() {
return needMultiplicationSignBefore;
}
private boolean isNeedMultiplicationSignAfter() {
return needMultiplicationSignAfter;
}
public boolean isNeedMultiplicationSignBefore(@NotNull MathType mathTypeBefore) {
return needMultiplicationSignBefore && mathTypeBefore.isNeedMultiplicationSignAfter();
}
public int processToJscl(@NotNull StringBuilder result, int i, @NotNull String match) throws CalculatorParseException {
final String substitute = getSubstituteToJscl(match);
result.append(substitute == null ? match : substitute);
return returnI(i, match);
}
protected int returnI(int i, @NotNull String match) {
if (match.length() > 1) {
return i + match.length() - 1;
} else {
return i;
}
}
public int processFromJscl(@NotNull StringBuilder result, int i, @NotNull String match) {
final String substitute = getSubstituteFromJscl(match);
result.append(substitute == null ? match : substitute);
return returnI(i, match);
}
@Nullable
protected String getSubstituteFromJscl(@NotNull String match) {
return null;
}
@Nullable
protected String getSubstituteToJscl(@NotNull String match) {
return null;
}
public static final List<String> openGroupSymbols = Arrays.asList("[]", "()", "{}");
public final static Character POWER_10 = 'E';
public static final String IMAGINARY_NUMBER = "i";
public static final String IMAGINARY_NUMBER_JSCL = "√(-1)";
public static final String PI = "π";
public static final String E = "e";
public static final String C = "c";
public static final Double C_VALUE = 299792458d;
public static final String G = "G";
public static final Double G_VALUE = 6.6738480E-11;
public static final String H_REDUCED = "h";
public static final Double H_REDUCED_VALUE = 6.6260695729E-34 / ( 2 * Math.PI );
public final static String NAN = "NaN";
public final static String INFINITY = "∞";
public final static String INFINITY_JSCL = "Infinity";
/**
* Method determines mathematical entity type for text substring starting from ith index
*
*
* @param text analyzed text
* @param i index which points to start of substring
* @param hexMode
* @return math entity type of substring starting from ith index of specified text
*/
@NotNull
public static Result getType(@NotNull String text, int i, boolean hexMode) {
if (i < 0) {
throw new IllegalArgumentException("I must be more or equals to 0.");
} else if (i >= text.length() && i != 0) {
throw new IllegalArgumentException("I must be less than size of text.");
} else if (i == 0 && text.length() == 0) {
return new Result(MathType.text, text);
}
final StartsWithFinder startsWithFinder = new StartsWithFinder(text, i);
for (MathType mathType : getMathTypesByPriority()) {
final String s = CollectionsUtils.find(mathType.getTokens(), startsWithFinder);
if (s != null) {
if ( s.length() == 1 ) {
if (hexMode || JsclMathEngine.getInstance().getNumeralBase() == NumeralBase.hex) {
final Character ch = s.charAt(0);
if ( NumeralBase.hex.getAcceptableCharacters().contains(ch) ) {
return new Result(MathType.digit, s);
}
}
}
return new Result(mathType, s);
}
}
return new Result(MathType.text, text.substring(i));
}
private static List<MathType> mathTypesByPriority;
@NotNull
private static List<MathType> getMathTypesByPriority() {
if (mathTypesByPriority == null) {
final List<MathType> result = CollectionsUtils.asList(MathType.values());
Collections.sort(result, new Comparator<MathType>() {
@Override
public int compare(MathType l, MathType r) {
return l.priority.compareTo(r.priority);
}
});
mathTypesByPriority = result;
}
return mathTypesByPriority;
}
public static class Result {
@NotNull
private final MathType mathType;
@NotNull
private final String match;
public Result(@NotNull MathType mathType, @NotNull String match) {
this.mathType = mathType;
this.match = match;
}
public int processToJscl(@NotNull StringBuilder result, int i) throws CalculatorParseException {
return mathType.processToJscl(result, i, match);
}
public int processFromJscl(@NotNull StringBuilder result, int i) {
return mathType.processFromJscl(result, i, match);
}
@NotNull
public String getMatch() {
return match;
}
@NotNull
public MathType getMathType() {
return mathType;
}
}
private static class EndsWithFinder implements JPredicate<String> {
private int i;
@NotNull
private final CharSequence targetString;
private EndsWithFinder(@NotNull CharSequence targetString) {
this.targetString = targetString;
}
@Override
public boolean apply(@Nullable String s) {
return targetString.subSequence(0, i).toString().endsWith(s);
}
public void setI(int i) {
this.i = i;
}
}
}

323
core/src/main/java/org/solovyev/android/calculator/model/AFunction.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator.model;
import jscl.math.function.IFunction;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.simpleframework.xml.Element;
import org.simpleframework.xml.ElementList;
import org.simpleframework.xml.Root;
import org.simpleframework.xml.Transient;
import org.solovyev.android.calculator.Locator;
import org.solovyev.android.calculator.CalculatorParseException;
import org.solovyev.android.calculator.MathPersistenceEntity;
import org.solovyev.common.math.MathEntity;
import org.solovyev.common.msg.Message;
import org.solovyev.common.msg.MessageType;
import org.solovyev.common.text.StringUtils;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Locale;
/**
* User: serso
* Date: 12/22/11
* Time: 5:25 PM
*/
@Root(name = "function")
public class AFunction implements IFunction, MathPersistenceEntity, Serializable {
/*
**********************************************************************
*
* FIELDS
*
**********************************************************************
*/
@Transient
private Integer id;
@Element
@NotNull
private String name;
@Element(name = "body")
@NotNull
private String content;
@ElementList(type = String.class)
@NotNull
private List<String> parameterNames = new ArrayList<String>();
@Element
private boolean system;
@Element(required = false)
@NotNull
private String description = "";
/*
**********************************************************************
*
* CONSTRUCTORS
*
**********************************************************************
*/
public AFunction() {
}
public AFunction(Integer id) {
this.id = id;
}
public static AFunction fromIFunction(@NotNull IFunction function) {
final AFunction result = new AFunction();
copy(result, function);
return result;
}
/*
**********************************************************************
*
* METHODS
*
**********************************************************************
*/
@Override
public void copy(@NotNull MathEntity mathEntity) {
if (mathEntity instanceof IFunction) {
copy(this, (IFunction) mathEntity);
} else {
throw new IllegalArgumentException("Trying to make a copy of unsupported type: " + mathEntity.getClass());
}
}
private static void copy(@NotNull AFunction target,
@NotNull IFunction source) {
target.name = source.getName();
target.content = source.getContent();
target.description = StringUtils.getNotEmpty(source.getDescription(), "");
target.system = source.isSystem();
if (source.isIdDefined()) {
target.id = source.getId();
}
target.parameterNames = new ArrayList<String>(source.getParameterNames());
}
@Override
public String toJava() {
return String.valueOf(this.content);
}
/*
**********************************************************************
*
* GETTERS/SETTERS
*
**********************************************************************
*/
@NotNull
public String getName() {
return name;
}
@Override
public boolean isSystem() {
return system;
}
@NotNull
@Override
public Integer getId() {
return this.id;
}
@Override
public boolean isIdDefined() {
return this.id != null;
}
@Override
public void setId(@NotNull Integer id) {
this.id = id;
}
public void setName(@NotNull String name) {
this.name = name;
}
@NotNull
public String getContent() {
return content;
}
@NotNull
@Override
public String getDescription() {
return this.description;
}
public void setContent(@NotNull String content) {
this.content = content;
}
@NotNull
public List<String> getParameterNames() {
return parameterNames;
}
public void setParameterNames(@NotNull List<String> parameterNames) {
this.parameterNames = parameterNames;
}
/*
**********************************************************************
*
* STATIC
*
**********************************************************************
*/
public static class Builder implements MathEntityBuilder<AFunction> {
@NotNull
private String name;
@Nullable
private String value;
private boolean system = false;
@Nullable
private String description;
@Nullable
private Integer id;
@NotNull
private List<String> parameterNames = Collections.emptyList();
public Builder() {
}
public Builder(@NotNull IFunction function) {
this.name = function.getName();
this.value = function.getContent();
this.system = function.isSystem();
this.description = function.getDescription();
this.id = function.getId();
}
public Builder(@NotNull String name,
@NotNull String value,
@NotNull List<String> parameterNames) {
this.name = name;
this.value = value;
this.parameterNames = parameterNames;
}
@NotNull
public Builder setName(@NotNull String name) {
this.name = name;
return this;
}
@NotNull
public Builder setValue(@Nullable String value) {
this.value = value;
return this;
}
protected Builder setSystem(boolean system) {
this.system = system;
return this;
}
public void setParameterNames(@NotNull List<String> parameterNames) {
this.parameterNames = parameterNames;
}
@NotNull
public Builder setDescription(@Nullable String description) {
this.description = description;
return this;
}
@NotNull
public AFunction create() {
final AFunction result;
if (id != null) {
result = new AFunction(id);
} else {
result = new AFunction();
}
result.name = name;
try {
result.content = Locator.getInstance().getCalculator().prepareExpression(value).toString();
} catch (CalculatorParseException e) {
throw new CreationException(e);
}
result.system = system;
result.description = StringUtils.getNotEmpty(description, "");
result.parameterNames = new ArrayList<String>(parameterNames);
return result;
}
public static class CreationException extends RuntimeException implements Message {
@NotNull
private final CalculatorParseException message;
public CreationException(@NotNull CalculatorParseException cause) {
super(cause);
message = cause;
}
@NotNull
@Override
public String getMessageCode() {
return message.getMessageCode();
}
@NotNull
@Override
public List<Object> getParameters() {
return message.getParameters();
}
@NotNull
@Override
public MessageType getMessageType() {
return message.getMessageType();
}
@Override
@Nullable
public String getLocalizedMessage() {
return message.getLocalizedMessage();
}
@NotNull
@Override
public String getLocalizedMessage(@NotNull Locale locale) {
return message.getLocalizedMessage(locale);
}
}
}
}

27
core/src/main/java/org/solovyev/android/calculator/model/Functions.java Normal file
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package org.solovyev.android.calculator.model;
import org.simpleframework.xml.ElementList;
import org.simpleframework.xml.Root;
import org.solovyev.android.calculator.MathEntityPersistenceContainer;
import java.util.ArrayList;
import java.util.List;
/**
* User: serso
* Date: 12/22/11
* Time: 5:15 PM
*/
@Root
public class Functions implements MathEntityPersistenceContainer<AFunction> {
@ElementList(type = AFunction.class)
private List<AFunction> functions = new ArrayList<AFunction>();
public Functions() {
}
public List<AFunction> getEntities() {
return functions;
}
}

29
core/src/main/java/org/solovyev/android/calculator/model/MathEntityBuilder.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator.model;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.common.JBuilder;
import org.solovyev.common.math.MathEntity;
/**
* User: serso
* Date: 12/22/11
* Time: 9:21 PM
*/
public interface MathEntityBuilder<T extends MathEntity> extends JBuilder<T> {
@NotNull
public MathEntityBuilder<T> setName(@NotNull String name);
@NotNull
public MathEntityBuilder<T> setDescription(@Nullable String description);
@NotNull
public MathEntityBuilder<T> setValue(@Nullable String value);
}

253
core/src/main/java/org/solovyev/android/calculator/model/Var.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator.model;
import jscl.math.function.Constant;
import jscl.math.function.ExtendedConstant;
import jscl.math.function.IConstant;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.simpleframework.xml.Element;
import org.simpleframework.xml.Root;
import org.simpleframework.xml.Transient;
import org.solovyev.android.calculator.MathPersistenceEntity;
import org.solovyev.common.JBuilder;
import org.solovyev.common.math.MathEntity;
import org.solovyev.common.text.StringUtils;
/**
* User: serso
* Date: 9/28/11
* Time: 11:22 PM
*/
@Root
public class Var implements IConstant, MathPersistenceEntity {
@Transient
private Integer id;
@Element
@NotNull
private String name;
@Element(required = false)
@Nullable
private String value;
@Element
private boolean system;
@Element(required = false)
@Nullable
private String description;
@Transient
private Constant constant;
public static class Builder implements JBuilder<Var>, MathEntityBuilder<Var> {
@NotNull
private String name;
@Nullable
private String value;
private boolean system = false;
@Nullable
private String description;
@Nullable
private Integer id;
public Builder() {
}
public Builder(@NotNull Var var) {
this.name = var.name;
this.value = var.value;
this.system = var.system;
this.description = var.description;
this.id = var.id;
}
public Builder(@NotNull IConstant iConstant) {
this.name = iConstant.getName();
this.value = iConstant.getValue();
this.system = iConstant.isSystem();
this.description = iConstant.getDescription();
if (iConstant.isIdDefined()) {
this.id = iConstant.getId();
}
}
public Builder(@NotNull String name, @NotNull Double value) {
this(name, String.valueOf(value));
}
public Builder(@NotNull String name, @Nullable String value) {
this.name = name;
this.value = value;
}
@NotNull
public Builder setName(@NotNull String name) {
this.name = name;
return this;
}
@NotNull
public Builder setValue(@Nullable String value) {
this.value = value;
return this;
}
protected Builder setSystem(boolean system) {
this.system = system;
return this;
}
@NotNull
public Builder setDescription(@Nullable String description) {
this.description = description;
return this;
}
@NotNull
public Var create() {
final Var result;
if (id != null) {
result = new Var(id);
} else {
result = new Var();
}
result.name = name;
result.value = value;
result.system = system;
result.description = description;
return result;
}
}
private Var() {
}
private Var(@NotNull Integer id) {
this.id = id;
}
public void copy(@NotNull MathEntity o) {
if (o instanceof IConstant) {
final IConstant that = ((IConstant) o);
this.name = that.getName();
this.value = that.getValue();
this.description = that.getDescription();
this.system = that.isSystem();
if (that.isIdDefined()) {
this.id = that.getId();
}
} else {
throw new IllegalArgumentException("Trying to make a copy of unsupported type: " + o.getClass());
}
}
@Nullable
public Double getDoubleValue() {
Double result = null;
if (value != null) {
try {
result = Double.valueOf(value);
} catch (NumberFormatException e) {
// do nothing - string is not a double
}
}
return result;
}
@Nullable
public String getValue() {
return value;
}
@NotNull
@Override
public String toJava() {
return String.valueOf(value);
}
public boolean isSystem() {
return system;
}
@NotNull
@Override
public Integer getId() {
return this.id;
}
@Override
public boolean isIdDefined() {
return this.id != null;
}
@Override
public void setId(@NotNull Integer id) {
this.id = id;
}
@NotNull
public String getName() {
return name;
}
@NotNull
@Override
public Constant getConstant() {
if (constant == null) {
constant = new Constant(this.name);
}
return constant;
}
@Nullable
public String getDescription() {
return description;
}
@Override
public boolean isDefined() {
return !StringUtils.isEmpty(value);
}
@Override
public String toString() {
return ExtendedConstant.toString(this);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Var var = (Var) o;
if (!name.equals(var.name)) return false;
return true;
}
@Override
public int hashCode() {
return name.hashCode();
}
}

28
core/src/main/java/org/solovyev/android/calculator/model/Vars.java Normal file
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package org.solovyev.android.calculator.model;
import org.simpleframework.xml.ElementList;
import org.simpleframework.xml.Root;
import org.solovyev.android.calculator.MathEntityPersistenceContainer;
import java.util.ArrayList;
import java.util.List;
/**
* User: serso
* Date: 9/29/11
* Time: 5:19 PM
*/
@Root
public class Vars implements MathEntityPersistenceContainer<Var> {
@ElementList(type = Var.class)
private List<Var> vars = new ArrayList<Var>();
public Vars() {
}
public List<Var> getEntities() {
return vars;
}
}

27
core/src/main/java/org/solovyev/android/calculator/text/DummyTextProcessor.java Normal file
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/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
* or visit http://se.solovyev.org
*/
package org.solovyev.android.calculator.text;
import jscl.math.Generic;
import org.jetbrains.annotations.NotNull;
import org.solovyev.android.calculator.CalculatorParseException;
/**
* User: serso
* Date: 10/18/11
* Time: 10:39 PM
*/
public enum DummyTextProcessor implements TextProcessor<String, Generic> {
instance;
@NotNull
@Override
public String process(@NotNull Generic s) throws CalculatorParseException {
return s.toString();
}
}

94
core/src/main/java/org/solovyev/android/calculator/text/FromJsclSimplifyTextProcessor.java Normal file
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package org.solovyev.android.calculator.text;
import jscl.math.Generic;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.android.calculator.Locator;
import org.solovyev.android.calculator.math.MathType;
import org.solovyev.android.calculator.CalculatorParseException;
import java.util.Arrays;
import java.util.List;
/**
* User: serso
* Date: 10/20/11
* Time: 2:59 PM
*/
public class FromJsclSimplifyTextProcessor implements TextProcessor<String, Generic> {
public static final FromJsclSimplifyTextProcessor instance = new FromJsclSimplifyTextProcessor();
public FromJsclSimplifyTextProcessor() {
}
@NotNull
@Override
public String process(@NotNull Generic from) throws CalculatorParseException {
return removeMultiplicationSigns(from.toString());
}
public String process(@NotNull String s) {
return removeMultiplicationSigns(s);
}
@NotNull
private String removeMultiplicationSigns(String s) {
final StringBuilder sb = new StringBuilder();
MathType.Result mathTypeBefore;
MathType.Result mathType = null;
MathType.Result mathTypeAfter = null;
for (int i = 0; i < s.length(); i++) {
mathTypeBefore = mathType;
if (mathTypeAfter == null) {
mathType = MathType.getType(s, i, false);
} else {
mathType = mathTypeAfter;
}
char ch = s.charAt(i);
if (ch == '*') {
if (i + 1 < s.length()) {
mathTypeAfter = MathType.getType(s, i + 1, false);
} else {
mathTypeAfter = null;
}
if (needMultiplicationSign(mathTypeBefore == null ? null : mathTypeBefore.getMathType(), mathTypeAfter == null ? null : mathTypeAfter.getMathType())) {
sb.append(Locator.getInstance().getEngine().getMultiplicationSign());
}
} else {
if (mathType.getMathType() == MathType.constant || mathType.getMathType() == MathType.function || mathType.getMathType() == MathType.operator) {
sb.append(mathType.getMatch());
i += mathType.getMatch().length() - 1;
} else {
sb.append(ch);
}
mathTypeAfter = null;
}
}
return sb.toString();
}
private final List<MathType> mathTypes = Arrays.asList(MathType.function, MathType.constant);
private boolean needMultiplicationSign(@Nullable MathType mathTypeBefore, @Nullable MathType mathTypeAfter) {
if (mathTypeBefore == null || mathTypeAfter == null) {
return true;
} else if (mathTypes.contains(mathTypeBefore) || mathTypes.contains(mathTypeAfter)) {
return false;
} else if ( mathTypeBefore == MathType.close_group_symbol ) {
return false;
} else if ( mathTypeAfter == MathType.open_group_symbol ) {
return false;
}
return true;
}
}

15
core/src/main/java/org/solovyev/android/calculator/text/TextProcessor.java Normal file
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package org.solovyev.android.calculator.text;
import org.jetbrains.annotations.NotNull;
import org.solovyev.android.calculator.CalculatorParseException;
/**
* User: serso
* Date: 9/26/11
* Time: 12:12 PM
*/
public interface TextProcessor<TO extends CharSequence, FROM> {
@NotNull
TO process(@NotNull FROM from) throws CalculatorParseException;
}

96
core/src/main/java/org/solovyev/android/calculator/units/CalculatorNumeralBase.java Normal file
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package org.solovyev.android.calculator.units;
import jscl.NumeralBase;
import org.jetbrains.annotations.NotNull;
import org.solovyev.math.units.Unit;
import org.solovyev.math.units.UnitConverter;
import org.solovyev.math.units.UnitImpl;
import org.solovyev.math.units.UnitType;
import java.math.BigInteger;
/**
* User: Solovyev_S
* Date: 24.09.12
* Time: 16:05
*/
public enum CalculatorNumeralBase implements UnitType<String> {
bin(NumeralBase.bin),
oct(NumeralBase.oct),
dec(NumeralBase.dec),
hex(NumeralBase.hex);
@NotNull
private final NumeralBase numeralBase;
private CalculatorNumeralBase(@NotNull NumeralBase numeralBase) {
this.numeralBase = numeralBase;
}
@NotNull
public NumeralBase getNumeralBase() {
return numeralBase;
}
@NotNull
private static final CalculatorNumeralBase.Converter converter = new CalculatorNumeralBase.Converter();
@NotNull
public static CalculatorNumeralBase.Converter getConverter() {
return converter;
}
@NotNull
@Override
public Class<String> getUnitValueClass() {
return String.class;
}
@NotNull
public Unit<String> createUnit(@NotNull String value) {
return UnitImpl.newInstance(value, this);
}
public static class Converter implements UnitConverter<String> {
private Converter() {
}
@Override
public boolean isSupported(@NotNull UnitType<?> from, @NotNull UnitType<String> to) {
return CalculatorNumeralBase.class.isAssignableFrom(from.getClass()) && CalculatorNumeralBase.class.isAssignableFrom(to.getClass());
}
@NotNull
@Override
public Unit<String> convert(@NotNull Unit<?> from, @NotNull UnitType<String> toType) {
if (!isSupported(from.getUnitType(), toType)) {
throw new IllegalArgumentException("Types are not supported!");
}
final CalculatorNumeralBase fromTypeAndroid = (CalculatorNumeralBase) from.getUnitType();
final NumeralBase fromNumeralBase = fromTypeAndroid.numeralBase;
final NumeralBase toNumeralBase = ((CalculatorNumeralBase) toType).numeralBase;
final String fromValue = (String) from.getValue();
final BigInteger decBigInteger = fromNumeralBase.toBigInteger(fromValue);
return UnitImpl.newInstance(toNumeralBase.toString(decBigInteger), toType);
}
}
@NotNull
public static CalculatorNumeralBase valueOf(@NotNull NumeralBase nb) {
for (CalculatorNumeralBase calculatorNumeralBase : values()) {
if (calculatorNumeralBase.numeralBase == nb) {
return calculatorNumeralBase;
}
}
throw new IllegalArgumentException(nb + " is not supported numeral base!");
}
}

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