refactory: added UI removed from core plugin.

[phpeclipse.git] / net.sourceforge.phpeclipse.ui / src / net / sourceforge / phpdt / ui / text / PHPStringDQCodeScanner.java

diff --git a/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/ui/text/PHPStringDQCodeScanner.java b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/ui/text/PHPStringDQCodeScanner.java
new file mode 100644 (file)
index 0000000..6203ece
--- /dev/null
+++ b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/ui/text/PHPStringDQCodeScanner.java
@@ -0,0 +1,125 @@
+/**********************************************************************
+ 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,
+                       IPreferenceConstants.PHP_VARIABLE_DOLLAR };
+
+       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();
+                       boolean isUnderscore = false;
+                       if (fDetector.isWordStart((char) c)) {
+                               if (fColumn == UNDEFINED
+                                               || (fColumn == scanner.getColumn() - 1)) {
+
+                                       fBuffer.setLength(0);
+                                       fBuffer.append((char) c);
+                                       c = scanner.read();
+                                       if (c == '_') {
+                                               isUnderscore = true;
+                                       }
+                                       while (c != ICharacterScanner.EOF
+                                                       && fDetector.isWordPart((char) c)) {
+                                               fBuffer.append((char) c);
+                                               c = scanner.read();
+                                               // hack for coloring object elements with variable color
+                                               // instead of string color
+                                               if (c == '-') {
+                                                       int c2 = scanner.read();
+                                                       if (c2 == '>') {
+                                                               fBuffer.append(c);
+                                                               fBuffer.append(c2);
+                                                               c = scanner.read();
+                                                       } else {
+                                                               scanner.unread();
+                                                       }
+                                               }
+                                               // hack end
+                                       }
+                                       scanner.unread();
+                                       if (isUnderscore) {
+                                               return getToken(IPreferenceConstants.PHP_VARIABLE_DOLLAR);
+                                       }
+                                       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;
+       }
+}