Ignore case for functions in syntax highlighting

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 9ad50d5..fd92df4 100644 (file)
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/php/PHPCodeScanner.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/php/PHPCodeScanner.java
@@ -12,7 +12,9 @@
 package net.sourceforge.phpeclipse.phpeditor.php;
 
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
 import net.sourceforge.phpdt.internal.ui.text.AbstractJavaScanner;
 import net.sourceforge.phpdt.ui.text.IColorManager;
@@ -22,6 +24,7 @@ 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.Assert;
 import org.eclipse.jface.text.rules.ICharacterScanner;
 import org.eclipse.jface.text.rules.IRule;
 import org.eclipse.jface.text.rules.IToken;
@@ -38,7 +41,7 @@ public class PHPCodeScanner extends AbstractJavaScanner {
 
   /**
    * Rule to detect java operators.
-   * 
+   *
    * @since 3.0
    */
   protected class OperatorRule implements IRule {
@@ -78,7 +81,7 @@ public class PHPCodeScanner extends AbstractJavaScanner {
 
     /**
      * Creates a new operator rule.
-     * 
+     *
      * @param token
      *          Token to use for this rule
      */
@@ -90,7 +93,7 @@ public class PHPCodeScanner extends AbstractJavaScanner {
 
     /**
      * 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.
@@ -139,7 +142,7 @@ public class PHPCodeScanner extends AbstractJavaScanner {
 
     /**
      * Check if lastCharacter/character are a PHP start or end token ( &lt;? ... ?&gt; )
-     * 
+     *
      * @param scanner
      * @param lastCharacter
      * @param character
@@ -199,6 +202,7 @@ public class PHPCodeScanner extends AbstractJavaScanner {
 
   private class PHPWordRule extends WordRule {
     private StringBuffer fBuffer = new StringBuffer();
+    protected Map fWordsIgnoreCase = new HashMap();
 
     public PHPWordRule(IWordDetector detector) {
       super(detector, Token.UNDEFINED);
@@ -208,10 +212,24 @@ public class PHPCodeScanner extends AbstractJavaScanner {
       super(detector, defaultToken);
     }
 
+    /**
+        * Adds a word and the token to be returned if it is detected.
+        *
+        * @param word the word this rule will search for, may not be <code>null</code>
+        * @param token the token to be returned if the word has been found, may not be <code>null</code>
+        */
+       public void addWordIgnoreCase(String word, IToken token) {
+               Assert.isNotNull(word);
+               Assert.isNotNull(token);
+
+               fWordsIgnoreCase.put(word, token);
+       }
+
     public IToken evaluate(ICharacterScanner scanner) {
       int c = scanner.read();
       boolean isVariable = false;
       boolean isUnderscore = false;
+      String word;
       if (c == '<') {
         c = scanner.read();
         if (c != '?') {
@@ -279,7 +297,12 @@ public class PHPCodeScanner extends AbstractJavaScanner {
                }
             return getToken(IPreferenceConstants.PHP_VARIABLE);
           }
-          IToken token = (IToken) fWords.get(fBuffer.toString());
+          word = fBuffer.toString();
+          IToken token = (IToken) fWords.get(word);
+          if (token != null)
+            return token;
+
+          token = (IToken) fWordsIgnoreCase.get(word.toLowerCase());
           if (token != null)
             return token;
 
@@ -374,7 +397,7 @@ public class PHPCodeScanner extends AbstractJavaScanner {
           wordRule.addWord(name, keyword);
         }
       } else if (elbuffer instanceof PHPFunction) {
-        wordRule.addWord(((PHPFunction) elbuffer).getName(), functionName);
+        wordRule.addWordIgnoreCase(((PHPFunction) elbuffer).getName(), functionName);
       } else if (elbuffer instanceof PHPType) {
         wordRule.addWord(elbuffer.getName(), type);
       } else if (elbuffer instanceof PHPConstant) {