mirror of
https://github.com/eclipse-cdt/cdt
synced 2025-04-23 06:32:10 +02:00
Fix for Bug 128361 - templates depending on line or word selection don't work
This commit is contained in:
Anton Leherbauer
parent
6a3d9e2e9e
commit
c2146c6d14
9 changed files with 239 additions and 111 deletions
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@ -15,6 +15,7 @@ package org.eclipse.cdt.internal.corext.template.c;
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import org.eclipse.jface.preference.IPreferenceStore;
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import org.eclipse.jface.text.BadLocationException;
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import org.eclipse.jface.text.IDocument;
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import org.eclipse.jface.text.Position;
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import org.eclipse.jface.text.TextUtilities;
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import org.eclipse.jface.text.templates.Template;
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import org.eclipse.jface.text.templates.TemplateBuffer;
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@ -47,81 +48,68 @@ public class CContext extends TranslationUnitContext {
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super(type, document, completionOffset, completionLength, translationUnit);
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}
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/**
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* Creates a C/C++ code template context.
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*
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* @param type the context type.
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* @param document the document.
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* @param completionPosition the completion position within the document
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* @param translationUnit the translation unit (may be <code>null</code>).
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*/
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public CContext(TemplateContextType type, IDocument document,
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Position completionPosition, ITranslationUnit translationUnit) {
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super(type, document, completionPosition, translationUnit);
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}
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/*
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* @see DocumentTemplateContext#getStart()
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*/
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public int getStart() {
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if (fIsManaged && getCompletionLength() > 0)
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return super.getStart();
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try {
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IDocument document= getDocument();
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if (getCompletionLength() == 0) {
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int start= getCompletionOffset();
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while ((start != 0) && Character.isUnicodeIdentifierPart(document.getChar(start - 1)))
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start--;
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if ((start != 0) && Character.isUnicodeIdentifierStart(document.getChar(start - 1)))
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start--;
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return start;
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}
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int start= getCompletionOffset();
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int end= getCompletionOffset() + getCompletionLength();
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while (start != 0 && Character.isUnicodeIdentifierPart(document.getChar(start - 1))) {
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while (start != 0 && !Character.isWhitespace(document.getChar(start - 1)))
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start--;
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}
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while (start != end && Character.isWhitespace(document.getChar(start))) {
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while (start != end && Character.isWhitespace(document.getChar(start)))
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start++;
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}
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if (start == end) {
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start= getCompletionOffset();
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}
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if (start == end)
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start= getCompletionOffset();
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return start;
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return start;
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} catch (BadLocationException e) {
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return super.getStart();
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}
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}
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public int getEnd() {
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if (getCompletionLength() == 0)
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if (fIsManaged || getCompletionLength() == 0)
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return super.getEnd();
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try {
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try {
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IDocument document= getDocument();
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int start= getCompletionOffset();
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int end= getCompletionOffset() + getCompletionLength();
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while (start != end && Character.isWhitespace(document.getChar(end - 1))) {
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while (start != end && Character.isWhitespace(document.getChar(end - 1)))
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end--;
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}
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return end;
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} catch (BadLocationException e) {
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return super.getEnd();
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}
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}
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/*
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* @see TemplateContext#canEvaluate(Template templates)
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*/
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public boolean canEvaluate(Template template) {
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if (fForceEvaluation)
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return true;
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String key= getKey();
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return template.matches(key, getContextType().getId())
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&& key.length() != 0 && template.getName().toLowerCase().startsWith(key.toLowerCase());
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}
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/*
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* @see TemplateContext#evaluate(Template)
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*/
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@ -13,6 +13,7 @@
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package org.eclipse.cdt.internal.corext.template.c;
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import org.eclipse.jface.text.IDocument;
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import org.eclipse.jface.text.Position;
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import org.eclipse.cdt.core.model.ITranslationUnit;
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@ -27,7 +28,7 @@ public class CContextType extends TranslationUnitContextType {
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super();
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}
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/* (non-Javadoc)
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/*
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* @see org.eclipse.cdt.internal.corext.template.c.TranslationUnitContextType#createContext(org.eclipse.jface.text.IDocument, int, int, org.eclipse.cdt.core.model.ITranslationUnit)
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*/
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public TranslationUnitContext createContext(IDocument document, int offset,
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@ -35,4 +36,12 @@ public class CContextType extends TranslationUnitContextType {
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return new CContext(this, document, offset, length, translationUnit);
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}
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/*
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* @see org.eclipse.cdt.internal.corext.template.c.TranslationUnitContextType#createContext(org.eclipse.jface.text.IDocument, org.eclipse.jface.text.Position, org.eclipse.cdt.core.model.ITranslationUnit)
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*/
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public TranslationUnitContext createContext(IDocument document,
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Position position, ITranslationUnit translationUnit) {
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return new CContext(this, document, position, translationUnit);
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}
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}
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@ -19,15 +19,6 @@ import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import org.eclipse.cdt.core.CCorePlugin;
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import org.eclipse.cdt.core.formatter.CodeFormatter;
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import org.eclipse.cdt.core.model.ICProject;
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import org.eclipse.cdt.internal.corext.util.CodeFormatterUtil;
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import org.eclipse.cdt.internal.ui.editor.IndentUtil;
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import org.eclipse.cdt.internal.ui.text.FastCPartitionScanner;
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import org.eclipse.cdt.ui.text.ICPartitions;
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import org.eclipse.core.runtime.Assert;
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import org.eclipse.jface.text.BadLocationException;
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import org.eclipse.jface.text.BadPositionCategoryException;
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@ -48,6 +39,16 @@ import org.eclipse.text.edits.RangeMarker;
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import org.eclipse.text.edits.ReplaceEdit;
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import org.eclipse.text.edits.TextEdit;
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import org.eclipse.cdt.core.CCorePlugin;
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import org.eclipse.cdt.core.formatter.CodeFormatter;
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import org.eclipse.cdt.core.model.ICProject;
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import org.eclipse.cdt.ui.text.ICPartitions;
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import org.eclipse.cdt.internal.corext.util.CodeFormatterUtil;
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import org.eclipse.cdt.internal.ui.editor.IndentUtil;
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import org.eclipse.cdt.internal.ui.text.FastCPartitionScanner;
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/**
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* A template editor using the C/C++ formatter to format a template buffer.
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@ -94,7 +95,7 @@ public class CFormatter {
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internalFormat(document, context);
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convertLineDelimiters(document);
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if (!isReplacedAreaEmpty(context))
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if (isReplacedAreaEmpty(context))
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trimStart(document);
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tracker.updateBuffer();
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@ -142,19 +143,19 @@ public class CFormatter {
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}
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private boolean isReplacedAreaEmpty(TemplateContext context) {
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// don't trim the buffer if the replacement area is empty
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// case: surrounding empty lines with block
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if (context instanceof DocumentTemplateContext) {
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DocumentTemplateContext dtc= (DocumentTemplateContext) context;
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if (dtc.getStart() == dtc.getCompletionOffset())
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try {
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if (dtc.getDocument().get(dtc.getStart(), dtc.getEnd() - dtc.getStart()).trim().length() == 0)
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return true;
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} catch (BadLocationException x) {
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// ignore - this may happen when the document was modified after the initial invocation, and the
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// context does not track the changes properly - don't trim in that case
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if (dtc.getCompletionLength() == 0) {
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return true;
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}
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try {
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if (dtc.getDocument().get(dtc.getStart(), dtc.getEnd() - dtc.getStart()).trim().length() == 0)
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return true;
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}
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} catch (BadLocationException x) {
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// ignore - this may happen when the document was modified after the initial invocation, and the
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// context does not track the changes properly - don't trim in that case
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return false;
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}
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}
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return false;
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}
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@ -319,7 +320,7 @@ public class CFormatter {
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private boolean isWhitespaceVariable(String value) {
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int length= value.length();
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return length == 0 || Character.isWhitespace(value.charAt(0)) || Character.isWhitespace(value.charAt(length - 1));
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return length == 0 || value.trim().length() == 0;
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}
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private void removeRangeMarkers(List positions, IDocument document, TemplateVariable[] variables) throws MalformedTreeException, BadLocationException, BadPositionCategoryException {
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@ -13,6 +13,7 @@ package org.eclipse.cdt.internal.corext.template.c;
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import org.eclipse.jface.text.BadLocationException;
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import org.eclipse.jface.text.IDocument;
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import org.eclipse.jface.text.Position;
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import org.eclipse.jface.text.TextUtilities;
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import org.eclipse.jface.text.templates.Template;
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import org.eclipse.jface.text.templates.TemplateBuffer;
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@ -44,25 +45,24 @@ public class CommentContext extends TranslationUnitContext {
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super(type, document, completionOffset, completionLength, translationUnit);
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}
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/*
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* @see TemplateContext#canEvaluate(Template templates)
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/**
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* Creates a comment template context.
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*
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* @param type the context type.
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* @param document the document.
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* @param completionPosition the completion position within the document
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* @param translationUnit the translation unit (may be <code>null</code>).
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*/
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public boolean canEvaluate(Template template) {
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String key= getKey();
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if (fForceEvaluation)
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return true;
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return
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template.matches(key, getContextType().getId()) &&
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(key.length() != 0) && template.getName().toLowerCase().startsWith(key.toLowerCase());
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public CommentContext(TemplateContextType type, IDocument document,
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Position completionPosition, ITranslationUnit translationUnit) {
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super(type, document, completionPosition, translationUnit);
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}
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/*
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* @see DocumentTemplateContext#getStart()
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*/
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public int getStart() {
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if (/*fIsManaged &&*/ getCompletionLength() > 0)
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if (fIsManaged && getCompletionLength() > 0)
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return super.getStart();
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try {
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@ -105,8 +105,7 @@ public class CommentContext extends TranslationUnitContext {
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* @see org.eclipse.jdt.internal.corext.template.DocumentTemplateContext#getEnd()
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*/
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public int getEnd() {
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if (/*fIsManaged ||*/ getCompletionLength() == 0)
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if (fIsManaged || getCompletionLength() == 0)
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return super.getEnd();
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try {
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@ -125,28 +124,6 @@ public class CommentContext extends TranslationUnitContext {
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}
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}
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/*
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* @see org.eclipse.jdt.internal.corext.template.DocumentTemplateContext#getKey()
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*/
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public String getKey() {
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if (getCompletionLength() == 0)
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return super.getKey();
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try {
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IDocument document= getDocument();
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int start= getStart();
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int end= getCompletionOffset();
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return start <= end
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? document.get(start, end - start)
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: ""; //$NON-NLS-1$
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} catch (BadLocationException e) {
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return super.getKey();
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}
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}
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/*
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* @see TemplateContext#evaluate(Template)
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*/
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@ -12,6 +12,7 @@
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package org.eclipse.cdt.internal.corext.template.c;
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import org.eclipse.jface.text.IDocument;
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import org.eclipse.jface.text.Position;
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import org.eclipse.cdt.core.model.ITranslationUnit;
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@ -39,4 +40,12 @@ public class CommentContextType extends TranslationUnitContextType {
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return new CommentContext(this, document, offset, length, translationUnit);
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}
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/*
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* @see org.eclipse.cdt.internal.corext.template.c.TranslationUnitContextType#createContext(org.eclipse.jface.text.IDocument, org.eclipse.jface.text.Position, org.eclipse.cdt.core.model.ITranslationUnit)
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*/
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public TranslationUnitContext createContext(IDocument document,
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Position position, ITranslationUnit translationUnit) {
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return new CommentContext(this, document, position, translationUnit);
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}
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}
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@ -16,7 +16,9 @@ package org.eclipse.cdt.internal.corext.template.c;
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import org.eclipse.jface.text.BadLocationException;
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import org.eclipse.jface.text.IDocument;
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import org.eclipse.jface.text.IRegion;
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import org.eclipse.jface.text.Position;
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import org.eclipse.jface.text.templates.DocumentTemplateContext;
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import org.eclipse.jface.text.templates.Template;
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import org.eclipse.jface.text.templates.TemplateContextType;
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import org.eclipse.cdt.core.model.CModelException;
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@ -37,6 +39,8 @@ public abstract class TranslationUnitContext extends DocumentTemplateContext {
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private final ITranslationUnit fTranslationUnit;
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/** A flag to force evaluation in head-less mode. */
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protected boolean fForceEvaluation;
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/** <code>true</code> if the context has a managed (i.e. added to the document) position, <code>false</code> otherwise. */
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protected final boolean fIsManaged;
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/**
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* Creates a translation unit context.
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@ -48,10 +52,60 @@ public abstract class TranslationUnitContext extends DocumentTemplateContext {
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* @param translationUnit the translation unit represented by the document
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*/
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protected TranslationUnitContext(TemplateContextType type, IDocument document, int completionOffset,
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int completionLength, ITranslationUnit translationUnit)
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{
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int completionLength, ITranslationUnit translationUnit) {
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super(type, document, completionOffset, completionLength);
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fTranslationUnit= translationUnit;
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fIsManaged= false;
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}
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/**
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* Creates a translation unit context.
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*
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* @param type the context type
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* @param document the document
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* @param completionPosition the completion position within the document
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* @param translationUnit the translation unit represented by the document
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*/
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protected TranslationUnitContext(TemplateContextType type, IDocument document,
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Position completionPosition, ITranslationUnit translationUnit) {
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super(type, document, completionPosition);
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fTranslationUnit= translationUnit;
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fIsManaged= true;
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}
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/*
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* @see org.eclipse.jface.text.templates.DocumentTemplateContext#canEvaluate(org.eclipse.jface.text.templates.Template)
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*/
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public boolean canEvaluate(Template template) {
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if (fForceEvaluation)
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return true;
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String key= getKey();
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return template.matches(key, getContextType().getId())
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&& key.length() != 0 && template.getName().startsWith(key);
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}
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/*
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* @see org.eclipse.jdt.internal.corext.template.DocumentTemplateContext#getKey()
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*/
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public String getKey() {
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if (getCompletionLength() == 0)
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return super.getKey();
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try {
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IDocument document= getDocument();
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int start= getStart();
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int end= getCompletionOffset();
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return start <= end
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? document.get(start, end - start)
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: ""; //$NON-NLS-1$
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} catch (BadLocationException e) {
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return super.getKey();
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}
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}
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/**
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|
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@ -17,6 +17,7 @@ import org.eclipse.cdt.core.model.ICElement;
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import org.eclipse.cdt.core.model.IFunctionDeclaration;
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import org.eclipse.cdt.core.model.ITranslationUnit;
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import org.eclipse.jface.text.IDocument;
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import org.eclipse.jface.text.Position;
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import org.eclipse.jface.text.templates.GlobalTemplateVariables;
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import org.eclipse.jface.text.templates.TemplateContext;
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import org.eclipse.jface.text.templates.TemplateContextType;
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@ -167,7 +168,7 @@ public abstract class TranslationUnitContextType extends TemplateContextType {
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}
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public abstract TranslationUnitContext createContext(IDocument document, int offset, int length, ITranslationUnit translationUnit);
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public abstract TranslationUnitContext createContext(IDocument document, Position position, ITranslationUnit translationUnit);
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}
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|
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@ -13,15 +13,22 @@
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package org.eclipse.cdt.internal.ui.text.template;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.Map.Entry;
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import org.eclipse.core.runtime.Assert;
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import org.eclipse.jface.text.BadLocationException;
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import org.eclipse.jface.text.IDocument;
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import org.eclipse.jface.text.IInformationControl;
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import org.eclipse.jface.text.IInformationControlCreator;
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import org.eclipse.jface.text.IRegion;
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import org.eclipse.jface.text.ITextViewer;
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import org.eclipse.jface.text.Position;
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import org.eclipse.jface.text.Region;
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import org.eclipse.jface.text.templates.GlobalTemplateVariables;
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import org.eclipse.jface.text.templates.Template;
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import org.eclipse.jface.text.templates.TemplateContext;
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import org.eclipse.jface.text.templates.TemplateContextType;
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@ -44,8 +51,15 @@ import org.eclipse.cdt.internal.ui.text.c.hover.SourceViewerInformationControl;
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public class TemplateEngine {
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|
||||
private static final String $_LINE_SELECTION= "${" + GlobalTemplateVariables.LineSelection.NAME + "}"; //$NON-NLS-1$ //$NON-NLS-2$
|
||||
private static final String $_WORD_SELECTION= "${" + GlobalTemplateVariables.WordSelection.NAME + "}"; //$NON-NLS-1$ //$NON-NLS-2$
|
||||
|
||||
/** The context type. */
|
||||
private TemplateContextType fContextType;
|
||||
/** The result proposals. */
|
||||
private ArrayList fProposals= new ArrayList();
|
||||
/** Positions created on the key documents to remove in reset. */
|
||||
private final Map fPositions= new HashMap();
|
||||
|
||||
public class CTemplateProposal extends TemplateProposal implements ICCompletionProposal {
|
||||
|
||||
|
|
@ -101,6 +115,13 @@ public class TemplateEngine {
|
|||
*/
|
||||
public void reset() {
|
||||
fProposals.clear();
|
||||
for (Iterator it= fPositions.entrySet().iterator(); it.hasNext();) {
|
||||
Entry entry= (Entry) it.next();
|
||||
IDocument doc= (IDocument) entry.getKey();
|
||||
Position position= (Position) entry.getValue();
|
||||
doc.removePosition(position);
|
||||
}
|
||||
fPositions.clear();
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -120,23 +141,91 @@ public class TemplateEngine {
|
|||
*/
|
||||
public void complete(ITextViewer viewer, int completionPosition, ITranslationUnit translationUnit)
|
||||
{
|
||||
IDocument document= viewer.getDocument();
|
||||
|
||||
if (!(fContextType instanceof TranslationUnitContextType))
|
||||
return;
|
||||
|
||||
IDocument document= viewer.getDocument();
|
||||
Point selection= viewer.getSelectedRange();
|
||||
boolean multipleLinesSelected= areMultipleLinesSelected(viewer);
|
||||
if (multipleLinesSelected) {
|
||||
// adjust line selection to start at column 1 and end at line delimiter
|
||||
try {
|
||||
IRegion startLine = document.getLineInformationOfOffset(selection.x);
|
||||
IRegion endLine = document.getLineInformationOfOffset(selection.x + selection.y - 1);
|
||||
completionPosition= selection.x= startLine.getOffset();
|
||||
selection.y= endLine.getOffset() + endLine.getLength() - startLine.getOffset();
|
||||
} catch (BadLocationException exc) {
|
||||
}
|
||||
}
|
||||
Position position= new Position(completionPosition, selection.y);
|
||||
|
||||
TranslationUnitContext context= ((TranslationUnitContextType) fContextType).createContext(document, completionPosition, selection.y, translationUnit);
|
||||
// remember selected text
|
||||
String selectedText= null;
|
||||
if (selection.y != 0) {
|
||||
try {
|
||||
selectedText= document.get(selection.x, selection.y);
|
||||
document.addPosition(position);
|
||||
fPositions.put(document, position);
|
||||
} catch (BadLocationException e) {}
|
||||
}
|
||||
|
||||
TranslationUnitContext context= ((TranslationUnitContextType) fContextType).createContext(document, position, translationUnit);
|
||||
context.setVariable("selection", selectedText); //$NON-NLS-1$
|
||||
int start= context.getStart();
|
||||
int end= context.getEnd();
|
||||
IRegion region= new Region(start, end - start);
|
||||
|
||||
Template[] templates= CUIPlugin.getDefault().getTemplateStore().getTemplates();
|
||||
for (int i= 0; i != templates.length; i++)
|
||||
if (context.canEvaluate(templates[i]))
|
||||
fProposals.add(new CTemplateProposal(templates[i], context, region, CPluginImages.get(CPluginImages.IMG_OBJS_TEMPLATE)));
|
||||
|
||||
if (selection.y == 0) {
|
||||
for (int i= 0; i != templates.length; i++)
|
||||
if (context.canEvaluate(templates[i]))
|
||||
fProposals.add(new CTemplateProposal(templates[i], context, region, CPluginImages.get(CPluginImages.IMG_OBJS_TEMPLATE)));
|
||||
|
||||
} else {
|
||||
|
||||
if (multipleLinesSelected || context.getKey().length() == 0)
|
||||
context.setForceEvaluation(true);
|
||||
|
||||
for (int i= 0; i != templates.length; i++) {
|
||||
Template template= templates[i];
|
||||
if (context.canEvaluate(template) &&
|
||||
template.getContextTypeId().equals(context.getContextType().getId()) &&
|
||||
(!multipleLinesSelected && template.getPattern().indexOf($_WORD_SELECTION) != -1 || (multipleLinesSelected && template.getPattern().indexOf($_LINE_SELECTION) != -1)))
|
||||
{
|
||||
fProposals.add(new CTemplateProposal(templates[i], context, region, CPluginImages.get(CPluginImages.IMG_OBJS_TEMPLATE)));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns <code>true</code> if one line is completely selected or if multiple lines are selected.
|
||||
* Being completely selected means that all characters except the new line characters are
|
||||
* selected.
|
||||
*
|
||||
* @return <code>true</code> if one or multiple lines are selected
|
||||
*/
|
||||
private boolean areMultipleLinesSelected(ITextViewer viewer) {
|
||||
if (viewer == null)
|
||||
return false;
|
||||
|
||||
Point s= viewer.getSelectedRange();
|
||||
if (s.y == 0)
|
||||
return false;
|
||||
|
||||
try {
|
||||
|
||||
IDocument document= viewer.getDocument();
|
||||
int startLine= document.getLineOfOffset(s.x);
|
||||
int endLine= document.getLineOfOffset(s.x + s.y);
|
||||
IRegion line= document.getLineInformation(startLine);
|
||||
return startLine != endLine || (s.x == line.getOffset() && s.y == line.getLength());
|
||||
|
||||
} catch (BadLocationException x) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -21,14 +21,14 @@
|
|||
|
||||
<templates>
|
||||
<template name="for" description="for loop" context="org.eclipse.cdt.ui.text.templates.c" id="org.eclipse.cdt.ui.text.templates.c.for" enabled="true">for (${var} = 0; ${var} < ${max}; ++${var}) {
|
||||
${cursor}
|
||||
${line_selection}${cursor}
|
||||
}</template>
|
||||
|
||||
<template name="for" description="for loop %withtempvar" context="org.eclipse.cdt.ui.text.templates.c" id="org.eclipse.cdt.ui.text.templates.cpp.for" enabled="true">for (int ${var} = 0; ${var} < ${max}; ++${var}) {
|
||||
${cursor}
|
||||
${line_selection}${cursor}
|
||||
}</template>
|
||||
<template name="do" description="do while %statement" context="org.eclipse.cdt.ui.text.templates.c" id="org.eclipse.cdt.ui.text.templates.c.do" enabled="true">do {
|
||||
${cursor}
|
||||
${line_selection}${cursor}
|
||||
} while (${condition});</template>
|
||||
<template name="switch" description="switch case %statement" context="org.eclipse.cdt.ui.text.templates.c" id="org.eclipse.cdt.ui.text.templates.c.switch" enabled="true">switch (${key}) {
|
||||
case ${value}:
|
||||
|
|
@ -39,7 +39,7 @@
|
|||
}</template>
|
||||
|
||||
<template name="if" description="if %statement" context="org.eclipse.cdt.ui.text.templates.c" id="org.eclipse.cdt.ui.text.templates.c.if" enabled="true">if (${condition}) {
|
||||
${cursor}
|
||||
${line_selection}${cursor}
|
||||
}</template>
|
||||
<template name="ifelse" description="if else %statement" context="org.eclipse.cdt.ui.text.templates.c" id="org.eclipse.cdt.ui.text.templates.c.ifelse" enabled="true">if (${condition}) {
|
||||
${cursor}
|
||||
|
|
@ -53,7 +53,7 @@
|
|||
${cursor}
|
||||
}</template>
|
||||
<template name="try" description="try catch %block" context="org.eclipse.cdt.ui.text.templates.c" id="org.eclipse.cdt.ui.text.templates.cpp.try" enabled="true">try {
|
||||
${cursor}
|
||||
${line_selection}${cursor}
|
||||
} catch (${Exception} e) {
|
||||
}</template>
|
||||
<template name="catch" description="catch %block" context="org.eclipse.cdt.ui.text.templates.c" id="org.eclipse.cdt.ui.text.templates.cpp.catch" enabled="true">catch (${Exception} e) {
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue