X-Git-Url: http://git.phpeclipse.com

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/php/PHPCodeScanner.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/php/PHPCodeScanner.java
index 1fd27c1..2a75cd9 100644
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/php/PHPCodeScanner.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/php/PHPCodeScanner.java
@@ -1,14 +1,14 @@
 /**********************************************************************
-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
-**********************************************************************/
+ 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
+ www.phpeclipse.de
+ **********************************************************************/
 package net.sourceforge.phpeclipse.phpeditor.php;
 
 import java.util.ArrayList;
@@ -22,8 +22,8 @@ import net.sourceforge.phpeclipse.phpeditor.util.PHPWhitespaceDetector;
 import net.sourceforge.phpeclipse.phpeditor.util.PHPWordDetector;
 
 import org.eclipse.jface.preference.IPreferenceStore;
-import org.eclipse.jface.text.rules.EndOfLineRule;
 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.MultiLineRule;
@@ -34,18 +34,167 @@ import org.eclipse.jface.text.rules.WordRule;
 /**
  * PHP Code Scanner
  */
-public class PHPCodeScanner
-  extends AbstractJavaScanner {
-
-//  private static Token variable;
-//  private static Token keyword;
-//  private static Token type;
-//  private static Token constant;
-//  private static Token functionName;
-//  private static Token string;
-//  private static Token comment;
-//  private static Token multi_comment;
-//  private static Token other;
+public class PHPCodeScanner extends AbstractJavaScanner {
+
+  /**
+   * Rule to detect java operators.
+   * 
+   * @since 3.0
+   */
+  protected class OperatorRule implements IRule {
+
+    /** Java operators */
+    private final char[] PHP_OPERATORS = {
+        ';',
+        '(',
+        ')',
+        '.',
+        '=',
+        '/',
+        '\\',
+        '+',
+        '-',
+        '*',
+        '[',
+        ']',
+        '<',
+        '>',
+        ':',
+        '?',
+        '!',
+        ',',
+        '|',
+        '&',
+        '^',
+        '%',
+        '~',
+        '@' };
+
+    /** Token to return for this rule */
+    private final IToken fToken;
+
+    /** Token to return for braces */
+    private final IToken fTokenBraces;
+
+    /**
+     * Creates a new operator rule.
+     * 
+     * @param token
+     *          Token to use for this rule
+     */
+    public OperatorRule(IToken token, IToken tokenBraces) {
+      fToken = token;
+      fTokenBraces = tokenBraces;
+
+    }
+
+    /**
+     * Is this character an operator character?
+     * 
+     * @param character
+     *          Character to determine whether it is an operator character
+     * @return <code>true</code> iff the character is an operator, <code>false</code> otherwise.
+     */
+    public boolean isOperator(char character) {
+      for (int index = 0; index < PHP_OPERATORS.length; index++) {
+        if (PHP_OPERATORS[index] == character)
+          return true;
+      }
+      return false;
+    }
+
+    /*
+     * @see org.eclipse.jface.text.rules.IRule#evaluate(org.eclipse.jface.text.rules.ICharacterScanner)
+     */
+    public IToken evaluate(ICharacterScanner scanner) {
+
+      int character = scanner.read();
+      if (character == '{' || character == '}') {
+        return fTokenBraces;
+      }
+      if (isOperator((char) character)) {
+        int lastCharacter = character;
+        character = scanner.read();
+        if (!isOperator((char) character)) {
+          scanner.unread();
+          return fToken;
+        }
+        if (checkPHPTag(scanner, lastCharacter, character)) {
+          return Token.UNDEFINED;
+        }
+        do {
+          lastCharacter = character;
+          character = scanner.read();
+          if (checkPHPTag(scanner, lastCharacter, character)) {
+            return fToken;
+          }
+        } while (isOperator((char) character));
+        scanner.unread();
+        return fToken;
+      } else {
+        scanner.unread();
+        return Token.UNDEFINED;
+      }
+    }
+
+    /**
+     * Check if lastCharacter/character are a PHP start or end token ( &lt;? ... ?&gt; )
+     * 
+     * @param scanner
+     * @param lastCharacter
+     * @param character
+     * @return
+     */
+    private boolean checkPHPTag(ICharacterScanner scanner, int lastCharacter, int character) {
+      if (lastCharacter == '<' && character == '?') {
+        scanner.unread();
+        scanner.unread();
+        return true;
+      } else if (lastCharacter == '?' && character == '>') {
+        scanner.unread();
+        scanner.unread();
+        return true;
+      }
+      return false;
+    }
+  }
+
+
+  protected class AccentStringRule implements IRule {
+
+    /** Token to return for this rule */
+    private final IToken fToken;
+
+    public AccentStringRule(IToken token) {
+      fToken = token;
+
+    }
+
+    /*
+     * @see org.eclipse.jface.text.rules.IRule#evaluate(org.eclipse.jface.text.rules.ICharacterScanner)
+     */
+    public IToken evaluate(ICharacterScanner scanner) {
+
+      int character = scanner.read();
+
+      if (character == '`') {
+
+        while (true) {
+          character = scanner.read();
+          if (character == '\\') {
+            character = scanner.read();
+          } else if (character == '`') {
+            return fToken;
+          }
+        }
+
+      } else {
+        scanner.unread();
+        return Token.UNDEFINED;
+      }
+    }
+
+  }
 
   private class PHPWordRule extends WordRule {
     private StringBuffer fBuffer = new StringBuffer();
@@ -61,6 +210,49 @@ public class PHPCodeScanner
     public IToken evaluate(ICharacterScanner scanner) {
       int c = scanner.read();
       boolean isVariable = false;
+      if (c == '<') {
+        c = scanner.read();
+        if (c != '?') {
+          scanner.unread();
+          scanner.unread();
+          return Token.UNDEFINED;
+        } else {
+          c = scanner.read();
+          if (c == '=') { // <?=
+            return getToken(IPreferenceConstants.PHP_TAG);
+          }
+          if (c != 'p' && c != 'P') {
+            scanner.unread();
+            return getToken(IPreferenceConstants.PHP_TAG);
+          } else {
+            c = scanner.read();
+            if (c != 'h' && c != 'H') {
+              scanner.unread();
+              scanner.unread();
+              return getToken(IPreferenceConstants.PHP_TAG);
+            } else {
+              c = scanner.read();
+              if (c != 'p' && c != 'P') {
+                scanner.unread();
+                scanner.unread();
+                scanner.unread();
+                return getToken(IPreferenceConstants.PHP_TAG);
+              } else {
+                return getToken(IPreferenceConstants.PHP_TAG);
+              }
+            }
+          }
+        }
+      }
+      if (c == '?') {
+        c = scanner.read();
+        if (c == '>') {
+          return getToken(IPreferenceConstants.PHP_TAG);
+        }
+        scanner.unread();
+        scanner.unread();
+        return Token.UNDEFINED;
+      }
       if (fDetector.isWordStart((char) c)) {
         if (c == '$') {
           isVariable = true;
@@ -71,8 +263,7 @@ public class PHPCodeScanner
           do {
             fBuffer.append((char) c);
             c = scanner.read();
-          } while (
-            c != ICharacterScanner.EOF && fDetector.isWordPart((char) c));
+          } while (c != ICharacterScanner.EOF && fDetector.isWordPart((char) c));
           scanner.unread();
 
           if (isVariable) {
@@ -97,205 +288,99 @@ public class PHPCodeScanner
   //private PHPColorProvider fColorProvider;
 
   private static String[] fgTokenProperties = {
-		IPreferenceConstants.PHP_MULTILINE_COMMENT,
-		IPreferenceConstants.PHP_SINGLELINE_COMMENT,
-		IPreferenceConstants.PHP_KEYWORD,
-		IPreferenceConstants.PHP_FUNCTIONNAME,
-		IPreferenceConstants.PHP_VARIABLE,
-		IPreferenceConstants.PHP_STRING,
-		IPreferenceConstants.PHP_TYPE,
-		IPreferenceConstants.PHP_CONSTANT,
-		IPreferenceConstants.PHP_DEFAULT };
+      IPreferenceConstants.PHP_MULTILINE_COMMENT,
+      IPreferenceConstants.PHP_SINGLELINE_COMMENT,
+      IPreferenceConstants.PHP_TAG,
+      IPreferenceConstants.PHP_KEYWORD,
+      IPreferenceConstants.PHP_FUNCTIONNAME,
+      IPreferenceConstants.PHP_VARIABLE,
+      IPreferenceConstants.PHP_STRING_DQ,
+      IPreferenceConstants.PHP_STRING_SQ,
+      IPreferenceConstants.PHP_TYPE,
+      IPreferenceConstants.PHP_CONSTANT,
+      IPreferenceConstants.PHP_DEFAULT,
+      IPreferenceConstants.PHP_OPERATOR,
+      IPreferenceConstants.PHP_BRACE_OPERATOR,
+      IPreferenceConstants.PHP_KEYWORD_RETURN };
+
   /**
-  	* Creates a PHP code scanner
-  	*/
+   * Creates a PHP code scanner
+   */
   // public PHPCodeScanner(JavaColorManager provider, IPreferenceStore store) {
   public PHPCodeScanner(IColorManager manager, IPreferenceStore store) {
     super(manager, store);
     initialize();
-    //  //  final IPreferenceStore store = PHPeclipsePlugin.getDefault().getPreferenceStore();
-    //   Color BackgroundColor = provider.getColor(PreferenceConverter.getColor(store, PHP_EDITOR_BACKGROUND));
-    //    variable =
-    //      new Token(
-    //        new TextAttribute(
-    //          provider.getColor(PreferenceConverter.getColor(store, PHP_VARIABLE)),
-    //          BackgroundColor,
-    //          (store.getBoolean(PHP_VARIABLE_BOLD) ? SWT.BOLD : SWT.NONE)
-    //            + (store.getBoolean(PHP_VARIABLE_ITALIC) ? SWT.ITALIC : SWT.NONE)));
-    //      keyword =
-    //        new Token(new TextAttribute(
-    //          provider.getColor(PreferenceConverter.getColor(store, PHP_KEYWORD)),
-    //          BackgroundColor,
-    //    //SWT.NONE));
-    //   (store.getBoolean(PHP_KEYWORD_BOLD) ? SWT.BOLD : SWT.NONE) + (store.getBoolean(PHP_KEYWORD_ITALIC) ? SWT.ITALIC : SWT.NONE)));
-    //      type =
-    //        new Token(new TextAttribute(
-    //          provider.getColor(PreferenceConverter.getColor(store, PHP_TYPE)),
-    //          BackgroundColor,
-    //    //SWT.NONE));
-    //   (store.getBoolean(PHP_TYPE_BOLD) ? SWT.BOLD : SWT.NONE) + (store.getBoolean(PHP_TYPE_ITALIC) ? SWT.ITALIC : SWT.NONE)));
-    //      functionName =
-    //        new Token(new TextAttribute(
-    //          provider.getColor(PreferenceConverter.getColor(store, PHP_FUNCTIONNAME)),
-    //          BackgroundColor,
-    //    //SWT.NONE));
-    //  (store.getBoolean(PHP_FUNCTIONNAME_BOLD) ? SWT.BOLD : SWT.NONE)
-    //    + (store.getBoolean(PHP_FUNCTIONNAME_ITALIC) ? SWT.ITALIC : SWT.NONE)));
-    //      constant =
-    //        new Token(new TextAttribute(
-    //          provider.getColor(PreferenceConverter.getColor(store, PHP_CONSTANT)),
-    //          BackgroundColor,
-    //    //SWT.NONE));
-    //   (store.getBoolean(PHP_CONSTANT_BOLD) ? SWT.BOLD : SWT.NONE) + (store.getBoolean(PHP_CONSTANT_ITALIC) ? SWT.ITALIC : SWT.NONE)));
-    //      string =
-    //        new Token(new TextAttribute(
-    //          provider.getColor(PreferenceConverter.getColor(store, PHP_STRING)),
-    //          BackgroundColor,
-    //    //SWT.NONE));
-    //   (store.getBoolean(PHP_STRING_BOLD) ? SWT.BOLD : SWT.NONE ) + (store.getBoolean(PHP_STRING_ITALIC) ? SWT.ITALIC : SWT.NONE)));
-    //      comment =
-    //        new Token(new TextAttribute(
-    //          provider.getColor(PreferenceConverter.getColor(store, PHP_SINGLELINE_COMMENT)),
-    //          BackgroundColor,
-    //    //SWT.NONE));
-    //  (store.getBoolean(PHP_SINGLELINE_COMMENT_BOLD) ? SWT.BOLD : SWT.NONE )
-    //    + (store.getBoolean(PHP_SINGLELINE_COMMENT_ITALIC) ? SWT.ITALIC : SWT.NONE)));
-    //      multi_comment =
-    //        new Token(new TextAttribute(
-    //          provider.getColor(PreferenceConverter.getColor(store, PHP_MULTILINE_COMMENT)),
-    //          BackgroundColor,
-    //    //SWT.NONE));
-    //  (store.getBoolean(PHP_MULTILINE_COMMENT_BOLD) ? SWT.BOLD : SWT.NONE)
-    //    + (store.getBoolean(PHP_MULTILINE_COMMENT_ITALIC) ? SWT.ITALIC : SWT.NONE)));
-    //      other =
-    //        new Token(new TextAttribute(
-    //          provider.getColor(PreferenceConverter.getColor(store, PHP_DEFAULT)),
-    //          BackgroundColor,
-    //    //SWT.NONE));
-    //   (store.getBoolean(PHP_DEFAULT_BOLD) ? SWT.BOLD : SWT.NONE) + (store.getBoolean(PHP_DEFAULT_ITALIC) ? SWT.ITALIC : SWT.NONE)));
-    //    updateWordRules();
   }
 
-  //  public void updateToken(JavaColorManager provider) {
-  //    final IPreferenceStore store = PHPeclipsePlugin.getDefault().getPreferenceStore();
-  //
-  //    Color BackgroundColor = provider.getColor(PreferenceConverter.getColor(store, PHP_EDITOR_BACKGROUND));
-  //
-  //    variable.setData(
-  //      new TextAttribute(
-  //        provider.getColor(PreferenceConverter.getColor(store, PHP_VARIABLE)),
-  //        BackgroundColor,
-  //        (store.getBoolean(PHP_VARIABLE_BOLD) ? SWT.BOLD : SWT.NONE)
-  //          + (store.getBoolean(PHP_VARIABLE_ITALIC) ? SWT.ITALIC : SWT.NONE)));
-  //    keyword.setData(
-  //      new TextAttribute(
-  //        provider.getColor(PreferenceConverter.getColor(store, PHP_KEYWORD)),
-  //        BackgroundColor,
-  //        (store.getBoolean(PHP_KEYWORD_BOLD) ? SWT.BOLD : SWT.NONE)
-  //          + (store.getBoolean(PHP_KEYWORD_ITALIC) ? SWT.ITALIC : SWT.NONE)));
-  //    type.setData(
-  //      new TextAttribute(
-  //        provider.getColor(PreferenceConverter.getColor(store, PHP_TYPE)),
-  //        BackgroundColor,
-  //        (store.getBoolean(PHP_TYPE_BOLD) ? SWT.BOLD : SWT.NONE) + (store.getBoolean(PHP_TYPE_ITALIC) ? SWT.ITALIC : SWT.NONE)));
-  //    functionName.setData(
-  //      new TextAttribute(
-  //        provider.getColor(PreferenceConverter.getColor(store, PHP_FUNCTIONNAME)),
-  //        BackgroundColor,
-  //        (store.getBoolean(PHP_FUNCTIONNAME_BOLD) ? SWT.BOLD : SWT.NONE)
-  //          + (store.getBoolean(PHP_FUNCTIONNAME_ITALIC) ? SWT.ITALIC : SWT.NONE)));
-  //    constant.setData(
-  //      new TextAttribute(
-  //        provider.getColor(PreferenceConverter.getColor(store, PHP_CONSTANT)),
-  //        BackgroundColor,
-  //        (store.getBoolean(PHP_CONSTANT_BOLD) ? SWT.BOLD : SWT.NONE)
-  //          + (store.getBoolean(PHP_CONSTANT_ITALIC) ? SWT.ITALIC : SWT.NONE)));
-  //    string.setData(
-  //      new TextAttribute(
-  //        provider.getColor(PreferenceConverter.getColor(store, PHP_STRING)),
-  //        BackgroundColor,
-  //        (store.getBoolean(PHP_STRING_BOLD) ? SWT.BOLD : SWT.NONE) + (store.getBoolean(PHP_STRING_ITALIC) ? SWT.ITALIC : SWT.NONE)));
-  //    comment.setData(
-  //      new TextAttribute(
-  //        provider.getColor(PreferenceConverter.getColor(store, PHP_SINGLELINE_COMMENT)),
-  //        BackgroundColor,
-  //        (store.getBoolean(PHP_SINGLELINE_COMMENT_BOLD) ? SWT.BOLD : SWT.NONE)
-  //          + (store.getBoolean(PHP_SINGLELINE_COMMENT_ITALIC) ? SWT.ITALIC : SWT.NONE)));
-  //    multi_comment.setData(
-  //      new TextAttribute(
-  //        provider.getColor(PreferenceConverter.getColor(store, PHP_MULTILINE_COMMENT)),
-  //        BackgroundColor,
-  //        (store.getBoolean(PHP_MULTILINE_COMMENT_BOLD) ? SWT.BOLD : SWT.NONE)
-  //          + (store.getBoolean(PHP_MULTILINE_COMMENT_ITALIC) ? SWT.ITALIC : SWT.NONE)));
-  //    other.setData(
-  //      new TextAttribute(
-  //        provider.getColor(PreferenceConverter.getColor(store, PHP_DEFAULT)),
-  //        BackgroundColor,
-  //        (store.getBoolean(PHP_DEFAULT_BOLD) ? SWT.BOLD : SWT.NONE)
-  //          + (store.getBoolean(PHP_DEFAULT_ITALIC) ? SWT.ITALIC : SWT.NONE)));
-  //  }
-
-  // public void updateWordRules() {
-
   /*
    * @see AbstractJavaScanner#getTokenProperties()
    */
   protected String[] getTokenProperties() {
     return fgTokenProperties;
   }
+
   /*
    * @see AbstractJavaScanner#createRules()
    */
   protected List createRules() {
     List rules = new ArrayList();
-    Token token= getToken(IPreferenceConstants.PHP_SINGLELINE_COMMENT);
+    Token token = getToken(IPreferenceConstants.PHP_SINGLELINE_COMMENT);
     // Add rule for single line comments.
-    rules.add(new EndOfLineRule("//", token)); //$NON-NLS-1$
-    rules.add(new EndOfLineRule("#", token)); //$NON-NLS-1$
+    //    rules.add(new EndOfLineRule("//", token)); //$NON-NLS-1$
+    //    rules.add(new EndOfLineRule("#", token)); //$NON-NLS-1$
     // Add rule for strings and character constants.
-    token= getToken(IPreferenceConstants.PHP_STRING);
-    rules.add(new MultiLineRule("\"", "\"", token, '\\')); //$NON-NLS-2$ //$NON-NLS-1$
-    rules.add(new MultiLineRule("`", "`", token, '\\')); //$NON-NLS-2$ //$NON-NLS-1$
-    rules.add(new MultiLineRule("'", "'", token, '\\')); //$NON-NLS-2$ //$NON-NLS-1$
+    //    token = getToken(IPreferenceConstants.PHP_STRING_SQ);
+    //    rules.add(new SingleQuoteStringRule(token));
+    //    token = getToken(IPreferenceConstants.PHP_STRING_DQ);
+    //    rules.add(new DoubleQuoteStringRule(token));
+    rules.add(new AccentStringRule(token));
 
-    //previous version
-    //rules.add(new SingleLineRule("'", "'", token, '\\')); //$NON-NLS-2$ //$NON-NLS-1$
-
-	
-    token= getToken(IPreferenceConstants.PHP_MULTILINE_COMMENT);
+    token = getToken(IPreferenceConstants.PHP_MULTILINE_COMMENT);
     rules.add(new MultiLineRule("/*", "*/", token)); //$NON-NLS-2$ //$NON-NLS-1$
     // Add generic whitespace rule.
     rules.add(new WhitespaceRule(new PHPWhitespaceDetector()));
     // Add word rule for keywords, types, and constants.
-    token= getToken(IPreferenceConstants.PHP_DEFAULT);
+    token = getToken(IPreferenceConstants.PHP_DEFAULT);
     PHPWordRule wordRule = new PHPWordRule(new PHPWordDetector(), token);
 
-    Token keyword= getToken(IPreferenceConstants.PHP_KEYWORD);
-    Token functionName= getToken(IPreferenceConstants.PHP_FUNCTIONNAME);
-    Token type= getToken(IPreferenceConstants.PHP_TYPE);
-    Token constant= getToken(IPreferenceConstants.PHP_CONSTANT);
-    
+    Token keyword = getToken(IPreferenceConstants.PHP_KEYWORD);
+    Token functionName = getToken(IPreferenceConstants.PHP_FUNCTIONNAME);
+    Token type = getToken(IPreferenceConstants.PHP_TYPE);
+    Token constant = getToken(IPreferenceConstants.PHP_CONSTANT);
+
     ArrayList buffer = PHPSyntaxRdr.getSyntaxData();
-  //  String strbuffer = null;  unused
+    //  String strbuffer = null; unused
     PHPElement elbuffer = null;
-    for (int i=0;i<buffer.size();i++) {
-//    while ((buffer != null)
-//      && (!buffer.isEmpty()
-//        && ((elbuffer = (PHPElement) buffer.remove(0)) != null))) {
-			elbuffer = (PHPElement) buffer.get(i);
-      if (elbuffer instanceof PHPKeyword)
-        wordRule.addWord(((PHPKeyword) elbuffer).getName(), keyword);
-      if (elbuffer instanceof PHPFunction)
+    String name;
+    for (int i = 0; i < buffer.size(); i++) {
+      //    while ((buffer != null)
+      //      && (!buffer.isEmpty()
+      //        && ((elbuffer = (PHPElement) buffer.remove(0)) != null))) {
+      elbuffer = (PHPElement) buffer.get(i);
+      if (elbuffer instanceof PHPKeyword) {
+        name = ((PHPKeyword) elbuffer).getName();
+        if (!name.equals("return")) {
+          wordRule.addWord(name, keyword);
+        }
+      } else if (elbuffer instanceof PHPFunction) {
         wordRule.addWord(((PHPFunction) elbuffer).getName(), functionName);
-      if (elbuffer instanceof PHPType)
+      } else if (elbuffer instanceof PHPType) {
         wordRule.addWord(elbuffer.getName(), type);
-      if (elbuffer instanceof PHPConstant)
+      } else if (elbuffer instanceof PHPConstant) {
         wordRule.addWord(elbuffer.getName(), constant);
+      }
     }
+
+    // Add word rule for keyword 'return'.
+    token = getToken(IPreferenceConstants.PHP_KEYWORD_RETURN);
+    wordRule.addWord("return", token);
+
+    //  Add rule for operators and brackets (at the end !)
+    rules.add(new OperatorRule(getToken(IPreferenceConstants.PHP_OPERATOR), getToken(IPreferenceConstants.PHP_BRACE_OPERATOR)));
+
     rules.add(wordRule);
-   // IRule[] result = new IRule[rules.size()];unused
-    //    rules.toArray(result);
-    //    setRules(result);
+
+    setDefaultReturnToken(getToken(IPreferenceConstants.PHP_DEFAULT));
     return rules;
   }
-}
+}
\ No newline at end of file