Integrated PHP help files; Fixed some bugs
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpeclipse / phpeditor / php / PHPPartitionScanner.java
index 00ec730..43970cd 100644 (file)
@@ -11,18 +11,16 @@ Contributors:
 **********************************************************************/
 package net.sourceforge.phpeclipse.phpeditor.php;
 
+import java.io.CharArrayWriter;
 import java.util.ArrayList;
 import java.util.List;
-import org.eclipse.jface.text.rules.EndOfLineRule;
+
 import org.eclipse.jface.text.rules.ICharacterScanner;
 import org.eclipse.jface.text.rules.IPredicateRule;
-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;
 import org.eclipse.jface.text.rules.RuleBasedPartitionScanner;
-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.WordRule;
 
@@ -31,175 +29,178 @@ import org.eclipse.jface.text.rules.WordRule;
  */
 public class PHPPartitionScanner extends RuleBasedPartitionScanner {
 
-       private final static String SKIP = "__skip"; //$NON-NLS-1$
-       public final static String JAVA_MULTILINE_COMMENT = "__html_multiline_comment"; //$NON-NLS-1$
-       //      public final static String JAVA_DOC= "__java_javadoc"; //$NON-NLS-1$
-       public final static String PHP = "__php";
-
-       public class PHPMultiLineRule extends MultiLineRule {
-
-               public PHPMultiLineRule(String startSequence, String endSequence, IToken token) {
-                       super(startSequence, endSequence, token);
-               }
-
-               public PHPMultiLineRule(String startSequence, String endSequence, IToken token, char escapeCharacter) {
-                       super(startSequence, endSequence, token, escapeCharacter);
-               }
-
-               protected boolean endSequenceDetected(ICharacterScanner scanner) {
-                       int c;
-                       int c2;
-
-                       boolean lineCommentMode = false;
-                       boolean multiLineCommentMode = false;
-                       boolean stringMode = false;
-
-                       char[][] delimiters = scanner.getLegalLineDelimiters();
-                       while ((c = scanner.read()) != ICharacterScanner.EOF) {
-                               if (c == '\n') {
-                                       lineCommentMode = false;
-                                       // read until end of line
-                               } else if (c == '#') {
-                                       // read until end of line
-                                       lineCommentMode = true;
-                                       continue;
-                               } else if (c == '/') {
-                                       c2 = scanner.read();
-                                       if (c2 == '/') {
-                                               lineCommentMode = true;
+  private final static String SKIP = "__skip"; //$NON-NLS-1$
+  public final static String JAVA_MULTILINE_COMMENT = "__html_multiline_comment"; //$NON-NLS-1$
+  //   public final static String JAVA_DOC= "__java_javadoc"; //$NON-NLS-1$
+  public final static String PHP = "__php";
+  private StringBuffer test;
+  public class PHPMultiLineRule extends MultiLineRule {
+
+    public PHPMultiLineRule(String startSequence, String endSequence, IToken token) {
+      super(startSequence, endSequence, token);
+    }
+
+    public PHPMultiLineRule(String startSequence, String endSequence, IToken token, char escapeCharacter) {
+      super(startSequence, endSequence, token, escapeCharacter);
+    }
+
+    protected boolean endSequenceDetected(ICharacterScanner scanner) {
+      int c;
+      int c2;
+
+      boolean lineCommentMode = false;
+      boolean multiLineCommentMode = false;
+      boolean stringMode = false;
+
+      char[][] delimiters = scanner.getLegalLineDelimiters();
+      while ((c = scanner.read()) != ICharacterScanner.EOF) {
+        if (lineCommentMode && (c == '\n')) {
+          lineCommentMode = false;
+          // read until end of line
+        } else if ((!stringMode) && (c == '#')) {
+          // read until end of line
+          lineCommentMode = true;
+          continue;
+        } else if ((!stringMode) && (!multiLineCommentMode) && (c == '/')) {
+          c2 = scanner.read();
+          if (c2 == '/') {
+            lineCommentMode = true;
+            continue;
+          } else if (c2 == '*') {
+            multiLineCommentMode = true;
+            continue;
+          } else {
+            scanner.unread();
+          }
+        } else if (c == '*' && multiLineCommentMode) {
+          c2 = scanner.read();
+          if (c2 == '/') {
+            multiLineCommentMode = false;
+            continue;
+          } else {
+            scanner.unread();
+          }
+        } else if (c == '\\' && stringMode) {
+          c2 = scanner.read();
+          if (c2 == '"') {
             continue;
-                                       }       else if(c2 == '*') {
-                                               multiLineCommentMode = true;
-                                               continue;
-                                       } else {
-                                               scanner.unread();
-                                       }
-                               } else if (c == '*' && multiLineCommentMode) {
-                                       c2 = scanner.read();
-                                       if (c2 == '/') {
-                                               multiLineCommentMode = false;
-                                               continue;
-                                       } else {
-                                               scanner.unread();
-                                       }
-                               } else if (c == '\\' && stringMode) {
-                                       c2 = scanner.read();
-                                       if (c2 == '"') {
-                                               continue;
-                                       } else {
-                                               scanner.unread();
-                                       }
-                               } else if (c == '"') {
-                                       if (stringMode) {
-                                               stringMode = false;
-                                       } else {
-                                               stringMode = true;
-                                       }
-                                       continue;
-                               }
-                               if (lineCommentMode || multiLineCommentMode || stringMode) {
-                                       continue;
-                               }
-
-                               if (c == fEscapeCharacter) {
-                                       // Skip the escaped character.
-                                       scanner.read();
-                               } else if (fEndSequence.length > 0 && c == fEndSequence[0]) {
-                                       // Check if the specified end sequence has been found.
-                                       if (sequenceDetected(scanner, fEndSequence, true))
-                                               return true;
-                               } else if (fBreaksOnEOL) {
-                                       // Check for end of line since it can be used to terminate the pattern.
-                                       for (int i = 0; i < delimiters.length; i++) {
-                                               if (c == delimiters[i][0] && sequenceDetected(scanner, delimiters[i], false))
-                                                       return true;
-                                       }
-                               }
-                       }
-                       scanner.unread();
-                       return true;
-               }
-       }
-       /**
-        * Detector for empty comments.
-        */
-       static class EmptyCommentDetector implements IWordDetector {
-
-               /* (non-Javadoc)
-               * Method declared on IWordDetector
-                       */
-               public boolean isWordStart(char c) {
-                       return (c == '/');
-               }
-
-               /* (non-Javadoc)
-               * Method declared on IWordDetector
-                       */
-               public boolean isWordPart(char c) {
-                       return (c == '*' || c == '/');
-               }
-       };
-
-       /**
-        * 
-        */
-       static class WordPredicateRule extends WordRule implements IPredicateRule {
-
-               private IToken fSuccessToken;
-
-               public WordPredicateRule(IToken successToken) {
-                       super(new EmptyCommentDetector());
-                       fSuccessToken = successToken;
-                       addWord("/**/", fSuccessToken);
-               }
-
-               /*
-                * @see org.eclipse.jface.text.rules.IPredicateRule#evaluate(ICharacterScanner, boolean)
-                */
-               public IToken evaluate(ICharacterScanner scanner, boolean resume) {
-                       return super.evaluate(scanner);
-               }
-
-               /*
-                * @see org.eclipse.jface.text.rules.IPredicateRule#getSuccessToken()
-                */
-               public IToken getSuccessToken() {
-                       return fSuccessToken;
-               }
-       };
-
-       /**
-        * Creates the partitioner and sets up the appropriate rules.
-        */
-       public PHPPartitionScanner() {
-               super();
-
-               //              IToken javaDoc= new Token(JAVA_DOC);
-               IToken comment = new Token(JAVA_MULTILINE_COMMENT);
-               IToken php = new Token(PHP);
-
-               List rules = new ArrayList();
-
-               // Add rule for single line comments.
-               //      rules.add(new EndOfLineRule("//", Token.UNDEFINED));
-
-               // Add rule for strings and character constants.
-               //              rules.add(new SingleLineRule("\"", "\"", Token.UNDEFINED, '\\'));
-               //      rules.add(new SingleLineRule("'", "'", Token.UNDEFINED, '\\')); 
-
-               // Add special case word rule.
-               rules.add(new WordPredicateRule(comment));
-
-               // Add rules for multi-line comments and javadoc.
-               //rules.add(new MultiLineRule("/**", "*/", javaDoc));
-               rules.add(new MultiLineRule("<!--", "-->", comment));
-               rules.add(new PHPMultiLineRule("<? ", "?>", php));
-               rules.add(new PHPMultiLineRule("<?php", "?>", php));
-               rules.add(new PHPMultiLineRule("<?PHP", "?>", php));
-               //Add rule for processing instructions
-
-               IPredicateRule[] result = new IPredicateRule[rules.size()];
-               rules.toArray(result);
-               setPredicateRules(result);
-       }
+          } else {
+            scanner.unread();
+          }
+        } else if ((!lineCommentMode) && (!multiLineCommentMode) && (c == '"')) {
+          if (stringMode) {
+            stringMode = false;
+          } else {
+            stringMode = true;
+          }
+          continue;
+        }
+        if (lineCommentMode || multiLineCommentMode || stringMode) {
+          continue;
+        }
+
+        if (c == fEscapeCharacter) {
+          // Skip the escaped character.
+          scanner.read();
+        } else if (fEndSequence.length > 0 && c == fEndSequence[0]) {
+          // Check if the specified end sequence has been found.
+          if (sequenceDetected(scanner, fEndSequence, true))
+            return true;
+        } else if (fBreaksOnEOL) {
+          // Check for end of line since it can be used to terminate the pattern.
+          for (int i = 0; i < delimiters.length; i++) {
+            if (c == delimiters[i][0] && sequenceDetected(scanner, delimiters[i], false))
+              return true;
+          }
+        }
+      }
+      scanner.unread();
+      return true;
+    }
+  }
+  /**
+   * Detector for empty comments.
+   */
+  static class EmptyCommentDetector implements IWordDetector {
+
+    /* (non-Javadoc)
+    * Method declared on IWordDetector
+       */
+    public boolean isWordStart(char c) {
+      return (c == '/');
+    }
+
+    /* (non-Javadoc)
+    * Method declared on IWordDetector
+       */
+    public boolean isWordPart(char c) {
+      return (c == '*' || c == '/');
+    }
+  };
+
+  /**
+   * 
+   */
+  static class WordPredicateRule extends WordRule implements IPredicateRule {
+
+    private IToken fSuccessToken;
+
+    public WordPredicateRule(IToken successToken) {
+      super(new EmptyCommentDetector());
+      fSuccessToken = successToken;
+      addWord("/**/", fSuccessToken);
+    }
+
+    /*
+     * @see org.eclipse.jface.text.rules.IPredicateRule#evaluate(ICharacterScanner, boolean)
+     */
+    public IToken evaluate(ICharacterScanner scanner, boolean resume) {
+      return super.evaluate(scanner);
+    }
+
+    /*
+     * @see org.eclipse.jface.text.rules.IPredicateRule#getSuccessToken()
+     */
+    public IToken getSuccessToken() {
+      return fSuccessToken;
+    }
+  };
+
+  /**
+   * Creates the partitioner and sets up the appropriate rules.
+   */
+  public PHPPartitionScanner() {
+    super();
+
+    //         IToken javaDoc= new Token(JAVA_DOC);
+    IToken comment = new Token(JAVA_MULTILINE_COMMENT);
+    IToken php = new Token(PHP);
+
+    List rules = new ArrayList();
+
+    // Add rule for single line comments.
+    // rules.add(new EndOfLineRule("//", Token.UNDEFINED));
+
+    // Add rule for strings and character constants.
+    //         rules.add(new SingleLineRule("\"", "\"", Token.UNDEFINED, '\\'));
+    // rules.add(new SingleLineRule("'", "'", Token.UNDEFINED, '\\')); 
+
+    // Add special case word rule.
+    rules.add(new WordPredicateRule(comment));
+
+    // Add rules for multi-line comments and javadoc.
+    //rules.add(new MultiLineRule("/**", "*/", javaDoc));
+    rules.add(new MultiLineRule("<!--", "-->", comment));
+    rules.add(new PHPMultiLineRule("<?\r", "?>", php));
+    rules.add(new PHPMultiLineRule("<?\n", "?>", php));
+    rules.add(new PHPMultiLineRule("<?\t", "?>", php));
+    rules.add(new PHPMultiLineRule("<? ", "?>", php));
+    rules.add(new PHPMultiLineRule("<?php", "?>", php));
+    rules.add(new PHPMultiLineRule("<?PHP", "?>", php));
+    //Add rule for processing instructions
+
+    IPredicateRule[] result = new IPredicateRule[rules.size()];
+    rules.toArray(result);
+    setPredicateRules(result);
+  }
 }