TnSb/android-calculatorpp
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Don't allow implicit functions in CustomFunction

Browse Source
This commit is contained in:
serso 2016-04-02 19:39:04 +02:00
parent 7b59bcec2f
commit f12aea8495
1 changed files with 16 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
jscl/src/main/java/jscl/math/function/CustomFunction.java
View File

@ -5,7 +5,10 @@ import jscl.CustomFunctionCalculationException;
import jscl.JsclMathEngine;
import jscl.math.*;
import jscl.text.ParseException;
import jscl.text.msg.JsclMessage;
import jscl.text.msg.Messages;
import org.solovyev.common.math.MathEntity;
import org.solovyev.common.msg.MessageType;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
@ -58,6 +61,7 @@ public class CustomFunction extends Function implements IFunction {
this.parameterNames = parameterNames;
try {
this.content = Expression.valueOf(content);
ensureNoImplicitFunctions();
} catch (ParseException e) {
throw new CustomFunctionCalculationException(this, e);
}
@ -65,6 +69,18 @@ public class CustomFunction extends Function implements IFunction {
this.id = counter.incrementAndGet();
}
private void ensureNoImplicitFunctions() {
for (int i = 0; i < this.content.size(); i++) {
final Literal literal = this.content.literal(i);
for (int j = 0; j < literal.size(); j++) {
final Variable variable = literal.getVariable(j);
if (variable instanceof ImplicitFunction) {
throw new CustomFunctionCalculationException(this, new JsclMessage(Messages.msg_13, MessageType.error, variable.getName()));
}
}
}
}
@Override
public int getMinParameters() {
return parameterNames == null ? 0 : parameterNames.size();