--- /dev/null
+/**********************************************************************
+ Copyright (c) 2000, 2002 IBM Corp. and others.
+ All rights reserved. This program and the accompanying materials
+ are made available under the terms of the Common Public License v1.0
+ which accompanies this distribution, and is available at
+ http://www.eclipse.org/legal/cpl-v10.html
+
+ Contributors:
+ IBM Corporation - Initial implementation
+ **********************************************************************/
+package net.sourceforge.phpdt.ui.text;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import net.sourceforge.phpdt.internal.ui.text.AbstractJavaScanner;
+import net.sourceforge.phpeclipse.IPreferenceConstants;
+import net.sourceforge.phpeclipse.phpeditor.util.PHPVariableDetector;
+
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.rules.ICharacterScanner;
+import org.eclipse.jface.text.rules.IToken;
+import org.eclipse.jface.text.rules.IWordDetector;
+import org.eclipse.jface.text.rules.Token;
+import org.eclipse.jface.text.rules.WordRule;
+
+/**
+ * A rule based PHPDoc scanner.
+ */
+public final class PHPStringDQCodeScanner extends AbstractJavaScanner {
+
+ private static String[] fgTokenProperties = { IPreferenceConstants.PHP_STRING_DQ, IPreferenceConstants.PHP_VARIABLE };
+
+ private class PHPWordRule extends WordRule {
+ private StringBuffer fBuffer = new StringBuffer();
+
+ public PHPWordRule(IWordDetector detector) {
+ super(detector, Token.UNDEFINED);
+ }
+
+ public PHPWordRule(IWordDetector detector, IToken defaultToken) {
+ super(detector, defaultToken);
+ }
+
+ public IToken evaluate(ICharacterScanner scanner) {
+ int c = scanner.read();
+
+ if (fDetector.isWordStart((char) c)) {
+ if (fColumn == UNDEFINED || (fColumn == scanner.getColumn() - 1)) {
+
+ fBuffer.setLength(0);
+ do {
+ fBuffer.append((char) c);
+ c = scanner.read();
+ } while (c != ICharacterScanner.EOF && fDetector.isWordPart((char) c));
+ scanner.unread();
+
+ return getToken(IPreferenceConstants.PHP_VARIABLE);
+ }
+ }
+
+ scanner.unread();
+ return Token.UNDEFINED;
+ }
+ }
+
+ public PHPStringDQCodeScanner(IColorManager manager, IPreferenceStore store) {
+ super(manager, store);
+ initialize();
+ }
+
+ public IDocument getDocument() {
+ return fDocument;
+ }
+
+ /*
+ * @see AbstractJavaScanner#getTokenProperties()
+ */
+ protected String[] getTokenProperties() {
+ return fgTokenProperties;
+ }
+
+ /*
+ * @see AbstractJavaScanner#createRules()
+ */
+ protected List createRules() {
+
+ List list = new ArrayList();
+
+ // Add rule for tags.
+ Token token = getToken(IPreferenceConstants.PHP_STRING_DQ);
+ PHPWordRule wordRule = new PHPWordRule(new PHPVariableDetector(), token);
+
+ list.add(wordRule);
+
+ setDefaultReturnToken(getToken(IPreferenceConstants.PHP_STRING_DQ));
+ return list;
+ }
+}
+