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Fix for "java.lang.IndexOutOfBoundsException: setSpan (XX ... YY) ends beyond length ZZ"

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This commit is contained in:
serso 2016-04-20 12:36:14 +02:00
parent 449ae7d88d
commit 6137912385
1 changed files with 21 additions and 5 deletions
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26
app/src/main/java/org/solovyev/android/calculator/view/TextHighlighter.java
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@ -23,20 +23,27 @@
package org.solovyev.android.calculator.view;
import android.graphics.Typeface;
import android.support.annotation.NonNull;
import android.text.SpannableStringBuilder;
import android.text.style.ForegroundColorSpan;
import android.text.style.StyleSpan;
import com.google.common.collect.Lists;
import org.solovyev.android.Check;
import org.solovyev.android.calculator.*;
import org.solovyev.android.calculator.BaseNumberBuilder;
import org.solovyev.android.calculator.Engine;
import org.solovyev.android.calculator.LiteNumberBuilder;
import org.solovyev.android.calculator.NumberBuilder;
import org.solovyev.android.calculator.math.MathType;
import org.solovyev.android.calculator.text.TextProcessor;
import org.solovyev.android.calculator.text.TextProcessorEditorResult;
import javax.annotation.Nonnull;
import java.util.ArrayList;
import java.util.List;
import javax.annotation.Nonnull;
public class TextHighlighter implements TextProcessor<TextProcessorEditorResult, String> {
private final int red;
@ -149,15 +156,24 @@ public class TextHighlighter implements TextProcessor<TextProcessorEditorResult,
}
private static void makeItalic(@Nonnull SpannableStringBuilder t, int start, int end) {
t.setSpan(new StyleSpan(Typeface.ITALIC), start, end, SpannableStringBuilder.SPAN_EXCLUSIVE_EXCLUSIVE);
setSpan(t, new StyleSpan(Typeface.ITALIC), start, end);
}
private static void makeBold(@Nonnull SpannableStringBuilder t, int start, int end) {
t.setSpan(new StyleSpan(Typeface.BOLD), start, end, SpannableStringBuilder.SPAN_EXCLUSIVE_EXCLUSIVE);
setSpan(t, new StyleSpan(Typeface.BOLD), start, end);
}
private static void makeColor(@Nonnull SpannableStringBuilder t, int start, int end, int color) {
t.setSpan(new ForegroundColorSpan(color), start, end, SpannableStringBuilder.SPAN_EXCLUSIVE_EXCLUSIVE);
setSpan(t, new ForegroundColorSpan(color), start, end);
}
private static void setSpan(@Nonnull SpannableStringBuilder t, @NonNull Object span, int start, int end) {
start = Math.max(0, Math.min(start, t.length()));
end = Math.max(0, Math.min(end, t.length()));
if (start >= end) {
return;
}
t.setSpan(span, start, end, SpannableStringBuilder.SPAN_EXCLUSIVE_EXCLUSIVE);
}
private int fillGroupSpans(@Nonnull SpannableStringBuilder sb, int start, int group, int groupsCount, @Nonnull List<GroupSpan> spans) {