misc changes

[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpeclipse / phpeditor / php / HTMLCodeScanner.java

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/php/HTMLCodeScanner.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/php/HTMLCodeScanner.java
new file mode 100644 (file)
index 0000000..ccc6b92
--- /dev/null
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/php/HTMLCodeScanner.java
@@ -0,0 +1,152 @@
+/**********************************************************************
+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
+    Klaus Hartlage - www.eclipseproject.de
+**********************************************************************/
+package net.sourceforge.phpeclipse.phpeditor.php;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import net.sourceforge.phpeclipse.phpeditor.util.HTMLWordDetector;
+import net.sourceforge.phpeclipse.phpeditor.util.PHPColorProvider;
+import net.sourceforge.phpeclipse.phpeditor.util.PHPWhitespaceDetector;
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.TextAttribute;
+import org.eclipse.jface.text.rules.ICharacterScanner;
+import org.eclipse.jface.text.rules.IRule;
+import org.eclipse.jface.text.rules.IToken;
+import org.eclipse.jface.text.rules.IWordDetector;
+import org.eclipse.jface.text.rules.RuleBasedScanner;
+import org.eclipse.jface.text.rules.SingleLineRule;
+import org.eclipse.jface.text.rules.Token;
+import org.eclipse.jface.text.rules.WhitespaceRule;
+import org.eclipse.jface.text.rules.WordRule;
+
+/**
+ * A Java code scanner.
+ */
+public class HTMLCodeScanner extends RuleBasedScanner {
+
+  private static String[] fgKeywords = {
+  };
+
+  private static String[] fgTypes = {
+  };
+
+  private IToken keyword;
+
+  private class HTMLWordRule extends WordRule {
+    private StringBuffer fBuffer = new StringBuffer();
+
+    public HTMLWordRule(IWordDetector detector) {
+      super(detector, Token.UNDEFINED);
+    }
+
+    public HTMLWordRule(IWordDetector detector, IToken defaultToken) {
+      super(detector, defaultToken);
+    }
+
+    public IToken evaluate(ICharacterScanner scanner) {
+      int c = scanner.read();
+      boolean tagBegin = false;
+      if (fDetector.isWordStart((char) c)) {
+        if (c == '<') {
+          tagBegin = true;
+        }
+        if (fColumn == UNDEFINED || (fColumn == scanner.getColumn() - 1)) {
+
+          fBuffer.setLength(0);
+          do {
+            fBuffer.append((char) c);
+            c = scanner.read();
+            if (c == '>') {
+              fBuffer.append((char) c);
+              c = scanner.read();
+              break;
+            }
+            if (c == '/' && (fBuffer.length() > 2) ) {
+              break;
+            }
+          } while (c != scanner.EOF && fDetector.isWordPart((char) c));
+          scanner.unread();
+
+          if (tagBegin) {
+            return keyword;
+          }
+          IToken token = (IToken) fWords.get(fBuffer.toString());
+          if (token != null)
+            return token;
+
+          if (fDefaultToken.isUndefined())
+            unreadBuffer(scanner);
+
+          return fDefaultToken;
+        }
+      }
+
+      scanner.unread();
+      return Token.UNDEFINED;
+    }
+
+  }
+
+  //private static String[] fgConstants = { "__LINE__", "__FILE__", "true", "false" };
+  private TextAttribute fComment;
+  private TextAttribute fKeyword;
+  private TextAttribute fType;
+  private TextAttribute fString;
+  private PHPColorProvider fColorProvider;
+
+  /**
+   * Creates a Java code scanner
+   */
+  public HTMLCodeScanner(PHPColorProvider provider) {
+
+    keyword = new Token(new TextAttribute(provider.getColor(PHPColorProvider.KEYWORD)));
+    IToken type = new Token(new TextAttribute(provider.getColor(PHPColorProvider.TYPE)));
+    IToken string = new Token(new TextAttribute(provider.getColor(PHPColorProvider.STRING)));
+    IToken comment = new Token(new TextAttribute(provider.getColor(PHPColorProvider.SINGLE_LINE_COMMENT)));
+    IToken multi_comment = new Token(new TextAttribute(provider.getColor(PHPColorProvider.MULTI_LINE_COMMENT)));
+    IToken other = new Token(new TextAttribute(provider.getColor(PHPColorProvider.DEFAULT)));
+
+    //variable = new Token(new TextAttribute(provider.getColor(PHPColorProvider.VARIABLE)));
+
+    List rules = new ArrayList();
+
+    // Add rule for single line comments.
+    //rules.add(new EndOfLineRule("//", comment)); //$NON-NLS-1$
+    //rules.add(new EndOfLineRule("#", comment));
+
+    // Add rule for strings and character constants.
+    rules.add(new SingleLineRule("\"", "\"", string)); //$NON-NLS-2$ //$NON-NLS-1$
+    // rules.add(new SingleLineRule("'", "'", string, '\\')); //$NON-NLS-2$ //$NON-NLS-1$
+
+    // rules.add(new SingleLineRule("//", "//", php_comment));
+    // rules.add(new MultiLineRule("/*", "*/", multi_comment));
+
+    // Add generic whitespace rule.
+    rules.add(new WhitespaceRule(new PHPWhitespaceDetector()));
+
+    // Add word rule for keywords, types, and constants.
+    HTMLWordRule wordRule = new HTMLWordRule(new HTMLWordDetector(), other);
+    for (int i = 0; i < fgKeywords.length; i++)
+      wordRule.addWord(fgKeywords[i], keyword);
+    for (int i = 0; i < fgTypes.length; i++)
+      wordRule.addWord(fgTypes[i], type);
+    //   for (int i = 0; i < fgConstants.length; i++)
+    //     wordRule.addWord(fgConstants[i], type);
+    rules.add(wordRule);
+
+    IRule[] result = new IRule[rules.size()];
+    rules.toArray(result);
+    setRules(result);
+  }
+
+}