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/*******************************************************************************
* Copyright (c) 2015 QNX Software Systems and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* QNX Software Systems - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.qt.ui.editor;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IDocumentExtension3;
import org.eclipse.jface.text.TextAttribute;
import org.eclipse.jface.text.contentassist.ContentAssistant;
import org.eclipse.jface.text.contentassist.IContentAssistProcessor;
import org.eclipse.jface.text.contentassist.IContentAssistant;
import org.eclipse.jface.text.presentation.IPresentationReconciler;
import org.eclipse.jface.text.presentation.PresentationReconciler;
import org.eclipse.jface.text.rules.DefaultDamagerRepairer;
import org.eclipse.jface.text.rules.EndOfLineRule;
import org.eclipse.jface.text.rules.IRule;
import org.eclipse.jface.text.rules.IToken;
import org.eclipse.jface.text.rules.ITokenScanner;
import org.eclipse.jface.text.rules.IWordDetector;
import org.eclipse.jface.text.rules.RuleBasedScanner;
import org.eclipse.jface.text.rules.Token;
import org.eclipse.jface.text.rules.WordRule;
import org.eclipse.jface.text.source.ISourceViewer;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.editors.text.TextSourceViewerConfiguration;
public class QtProjectFileSourceViewerConfiguration extends TextSourceViewerConfiguration {
private static int TOKEN_DEFAULT = 0;
private static int TOKEN_FUNCTION_KEYWORD = 1;
private static int TOKEN_VARIABLE_KEYWORD = 2;
private static int TOKEN_COMMENT = 3;
// TODO: Add preference page for syntax highlighting
private static IToken[] allTokens = new IToken[] {
new Token(null),
new Token(new TextAttribute(new Color(Display.getCurrent(), new RGB(140, 140, 0)))),
new Token(new TextAttribute(new Color(Display.getCurrent(), new RGB(140, 0, 100)))),
new Token(new TextAttribute(new Color(Display.getCurrent(), new RGB(0, 140, 0))))
};
@Override
public IPresentationReconciler getPresentationReconciler(ISourceViewer viewer) {
PresentationReconciler reconciler = new PresentationReconciler();
reconciler.setDocumentPartitioning(IDocumentExtension3.DEFAULT_PARTITIONING);
DefaultDamagerRepairer dr;
dr = new DefaultDamagerRepairer(createDefaultTokenScanner());
reconciler.setDamager(dr, IDocument.DEFAULT_CONTENT_TYPE);
reconciler.setRepairer(dr, IDocument.DEFAULT_CONTENT_TYPE);
return reconciler;
}
private ITokenScanner createDefaultTokenScanner() {
RuleBasedScanner scanner = new RuleBasedScanner();
WordRule wordRule = new WordRule(new IWordDetector() {
@Override
public boolean isWordStart(char c) {
return Character.isJavaIdentifierStart(c) && c != '$';
}
@Override
public boolean isWordPart(char c) {
return Character.isJavaIdentifierPart(c) && c != '$';
}
}, allTokens[TOKEN_DEFAULT]);
// QMake function keywords
for (QtProjectFileKeyword keyword : QtProjectFileKeyword.getFunctionKeywords()) {
wordRule.addWord(keyword.getKeyword(), allTokens[TOKEN_FUNCTION_KEYWORD]);
}
// QMake variable keywords
for (QtProjectFileKeyword keyword : QtProjectFileKeyword.getVariableKeywords()) {
wordRule.addWord(keyword.getKeyword(), allTokens[TOKEN_VARIABLE_KEYWORD]);
}
scanner.setRules(new IRule[] {
wordRule,
new EndOfLineRule("#", allTokens[TOKEN_COMMENT]) //$NON-NLS-1$
});
return scanner;
}
@Override
public IContentAssistant getContentAssistant(ISourceViewer sourceViewer) {
ContentAssistant contentAssistant = new ContentAssistant();
IContentAssistProcessor processor = new QtProjectFileContentAssistProcessor();
contentAssistant.setContentAssistProcessor(processor, IDocument.DEFAULT_CONTENT_TYPE);
contentAssistant.setInformationControlCreator(getInformationControlCreator(sourceViewer));
return contentAssistant;
}
}
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