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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Eclipse Public License, Version 1.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.eclipse.org/org/documents/epl-v10.php
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.ide.eclipse.adt.internal.lint;
import com.android.ide.eclipse.adt.AdtPlugin;
import com.android.tools.lint.checks.TypoDetector;
import com.android.tools.lint.detector.api.TextFormat;
import org.eclipse.core.resources.IMarker;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.FindReplaceDocumentAdapter;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IRegion;
import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
import org.w3c.dom.Node;
import java.util.ArrayList;
import java.util.List;
/** Quickfix for fixing typos */
@SuppressWarnings("restriction") // DOM model
final class TypoFix extends DocumentFix {
private String mTypo;
private String mReplacement;
private TypoFix(String id, IMarker marker) {
super(id, marker);
}
@Override
public String getDisplayString() {
return String.format("Replace \"%1$s\" by \"%2$s\"", mTypo, mReplacement);
}
@Override
public boolean needsFocus() {
return false;
}
@Override
public boolean isCancelable() {
return false;
}
@Override
protected void apply(IDocument document, IStructuredModel model, Node node,
int start, int end) {
String message = mMarker.getAttribute(IMarker.MESSAGE, "");
String typo = TypoDetector.getTypo(message, TextFormat.TEXT);
if (typo == null) {
return;
}
List<String> replacements = TypoDetector.getSuggestions(message, TextFormat.TEXT);
if (replacements == null || replacements.isEmpty()) {
return;
}
try {
String current = document.get(start, end-start);
if (current.equals(typo)) {
document.replace(start, end - start, replacements.get(0));
} else {
// The buffer has been edited; try to find the typo.
FindReplaceDocumentAdapter finder = new FindReplaceDocumentAdapter(document);
IRegion forward = finder.find(start, typo, true /*forward*/, true, true, false);
IRegion backward = finder.find(start, typo, false /*forward*/, true, true, false);
if (forward != null && backward != null) {
// Pick the closest one
int forwardDelta = forward.getOffset() - start;
int backwardDelta = start - backward.getOffset();
if (forwardDelta < backwardDelta) {
start = forward.getOffset();
} else {
start = backward.getOffset();
}
} else if (forward != null) {
start = forward.getOffset();
} else if (backward != null) {
start = backward.getOffset();
} else {
return;
}
end = start + typo.length();
document.replace(start, end - start, replacements.get(0));
}
} catch (BadLocationException e) {
AdtPlugin.log(e, null);
}
}
@Override
protected List<LintFix> getAllFixes() {
String message = mMarker.getAttribute(IMarker.MESSAGE, "");
String typo = TypoDetector.getTypo(message, TextFormat.TEXT);
List<String> replacements = TypoDetector.getSuggestions(message, TextFormat.TEXT);
if (replacements != null && !replacements.isEmpty() && typo != null) {
List<LintFix> allFixes = new ArrayList<LintFix>(replacements.size());
for (String replacement : replacements) {
TypoFix fix = new TypoFix(mId, mMarker);
fix.mTypo = typo;
fix.mReplacement = replacement;
allFixes.add(fix);
}
return allFixes;
}
return null;
}
}
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