X-Git-Url: http://git.phpeclipse.com
diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/php/PHPPartitionScanner.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/php/PHPPartitionScanner.java
index 85aa0d2..a4581f8 100644
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/php/PHPPartitionScanner.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/php/PHPPartitionScanner.java
@@ -1,576 +1,383 @@
/**********************************************************************
-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) 2002 Widespace, OU 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://solareclipse.sourceforge.net/legal/cpl-v10.html
+
+ Contributors:
+ Igor Malinin - initial contribution
+
+ $Id: PHPPartitionScanner.java,v 1.29 2005-05-15 23:24:41 axelcl Exp $
+ **********************************************************************/
package net.sourceforge.phpeclipse.phpeditor.php;
-import java.io.CharArrayWriter;
-import java.util.ArrayList;
-import java.util.List;
+import java.util.HashMap;
+import java.util.Map;
+
+import net.sourceforge.phpeclipse.ui.text.rules.AbstractPartitioner;
+import org.eclipse.jface.text.Assert;
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.rules.ICharacterScanner;
-import org.eclipse.jface.text.rules.IPredicateRule;
+import org.eclipse.jface.text.rules.IPartitionTokenScanner;
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.Token;
-import org.eclipse.jface.text.rules.WordRule;
/**
- * This scanner recognizes the JavaDoc comments and Java multi line comments.
+ *
+ *
+ * @author Igor Malinin
*/
-public class PHPPartitionScanner extends RuleBasedPartitionScanner {
+public class PHPPartitionScanner implements IPartitionTokenScanner {
+ public static final String PHP_SCRIPTING_AREA = "__php_scripting_area ";
- private final static String SKIP = "__skip"; //$NON-NLS-1$
- public final static String HTML_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 final static String HTML = "__html";
+ public static final int STATE_DEFAULT = 0;
- public final static IToken php = new Token(PHP);
- // public final static IToken html = new Token(HTML);
- public final static IToken comment = new Token(HTML_MULTILINE_COMMENT);
+ // public static final int STATE_TAG = 1;
+ // public static final int STATE_SCRIPT = 2;
- protected final static char[] php0EndSequence = { '<', '?' };
- protected final static char[] php1EndSequence = { '<', '?', 'p', 'h', 'p' };
- protected final static char[] php2EndSequence = { '<', '?', 'P', 'H', 'P' };
+ private IDocument document;
- private StringBuffer test;
+ private int begin;
- public class PHPMultiLineRule extends MultiLineRule {
+ private int end;
- public PHPMultiLineRule(String startSequence, String endSequence, IToken token) {
- super(startSequence, endSequence, token);
- }
+ private int offset;
- public PHPMultiLineRule(String startSequence, String endSequence, IToken token, char escapeCharacter) {
- super(startSequence, endSequence, token, escapeCharacter);
- }
+ private int length;
- protected boolean endSequenceDetected(ICharacterScanner scanner) {
- int c;
- int c2;
+ private int position;
- boolean lineCommentMode = false;
- boolean multiLineCommentMode = false;
- boolean stringMode = false;
+ private int state;
- char[][] delimiters = scanner.getLegalLineDelimiters();
- while ((c = scanner.read()) != ICharacterScanner.EOF) {
- if (c == '#') {
- // read until end of line
- while ((c = scanner.read()) != ICharacterScanner.EOF) {
- 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 (c == '\n') {
- break;
- }
- }
- continue;
- } else if (c == '/' && (c = scanner.read()) != ICharacterScanner.EOF) {
- if (c == '/') {
- // read until end of line
- while ((c = scanner.read()) != ICharacterScanner.EOF) {
- 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 (c == '\n') {
- break;
- }
- }
- continue;
- } else if (c == '*') {
- // multi-line comment
- while ((c = scanner.read()) != ICharacterScanner.EOF) {
- if (c == '*' && (c = scanner.read()) != ICharacterScanner.EOF) {
- if (c == '/') {
- break;
- }
- scanner.unread();
- }
- }
-
- continue;
- } else {
- scanner.unread();
- }
- } else if (c == '"') {
- // string mode
- while ((c = scanner.read()) != ICharacterScanner.EOF) {
- if (c == '\\') {
- c = scanner.read();
- } else if (c == '"') {
- break;
- }
- }
- continue;
- } else if (c == '\'') {
- // string mode
- while ((c = scanner.read()) != ICharacterScanner.EOF) {
- if (c == '\\') {
- c = scanner.read();
- } else if (c == '\'') {
- break;
- }
- }
- continue;
- }
+ private Map tokens = new HashMap();
- 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;
- }
- }
- }
- boolean phpMode = false;
- if (c == ICharacterScanner.EOF) {
- phpMode = true;
- }
- scanner.unread();
- return phpMode;
- }
+ public PHPPartitionScanner() {
}
- // public class HTMLMultiLineRule extends MultiLineRule {
- //
- // public HTMLMultiLineRule(String startSequence, String endSequence, IToken token) {
- // super(startSequence, endSequence, token);
- // }
- //
- // public HTMLMultiLineRule(String startSequence, String endSequence, IToken token, char escapeCharacter) {
- // super(startSequence, endSequence, token, escapeCharacter);
- // }
- //
- // protected boolean endSequenceDetected(ICharacterScanner scanner) {
- // int c;
- //
- // char[][] delimiters = scanner.getLegalLineDelimiters();
- // while ((c = scanner.read()) != ICharacterScanner.EOF) {
- // if (c == '<') {
- // // scanner.unread();
- // if (sequenceDetected(scanner, php2EndSequence, true)) {
- // // null is a legal value
- * @param token the token which will be returned on success
- * @param escapeCharacter any character following this one will be ignored
- * @param indicates whether the end of the line also termines the pattern
- */
- public HTMLPatternRule(IToken token) {
- fToken = token;
- fEscapeCharacter = (char) 0;
- fBreaksOnEOL = false;
- }
+ /*
+ * @see org.eclipse.jface.text.rules.ITokenScanner#nextToken()
+ */
+ public IToken nextToken() {
+ offset += length;
- /**
- * Sets a column constraint for this rule. If set, the rule's token
- * will only be returned if the pattern is detected starting at the
- * specified column. If the column is smaller then 0, the column
- * constraint is considered removed.
- *
- * @param column the column in which the pattern starts
+ /*
+ * switch (state) { case STATE_TAG: return nextTagToken(); }
*/
- public void setColumnConstraint(int column) {
- if (column < 0)
- column = UNDEFINED;
- fColumn = column;
- }
- /**
- * Evaluates this rules without considering any column constraints.
- *
- * @param scanner the character scanner to be used
- * @return the token resulting from this evaluation
- */
- protected IToken doEvaluate(ICharacterScanner scanner) {
- return doEvaluate(scanner, false);
+ switch (read()) {
+ case ICharacterScanner.EOF:
+ state = STATE_DEFAULT;
+ return getToken(null);
+
+ case '<':
+ switch (read()) {
+ case ICharacterScanner.EOF:
+ state = STATE_DEFAULT;
+ return getToken(null);
+
+ case '?': // resume flag is set.
- *
- * @param scanner the character scanner to be used
- * @param resume true if detection should be resumed, false otherwise
- * @return the token resulting from this evaluation
- * @since 2.0
- */
- protected IToken doEvaluate(ICharacterScanner scanner, boolean resume) {
+ loop: while (true) {
+ switch (read()) {
+ case ICharacterScanner.EOF:
+ state = STATE_DEFAULT;
+ return getToken(null);
- if (resume) {
+ case '<':
+ switch (read()) {
+ case ICharacterScanner.EOF:
+ state = STATE_DEFAULT;
+ return getToken(null);
- if (endSequenceDetected(scanner))
- return fToken;
+ case '?':
+ unread();
+ break;
- } else {
+ case '<':
+ unread();
- int c = scanner.read();
- // if (c == fStartSequence[0]) {
- // if (sequenceDetected(scanner, fStartSequence, false)) {
- if (endSequenceDetected(scanner))
- return fToken;
- // }
- // }
- }
+ default:
+ continue loop;
+ }
- scanner.unread();
- return Token.UNDEFINED;
- }
+ unread();
- /*
- * @see IRule#evaluate
- */
- public IToken evaluate(ICharacterScanner scanner) {
- return evaluate(scanner, false);
+ state = STATE_DEFAULT;
+ return getToken(null);
+ }
}
+ }
- /**
- * Returns whether the end sequence was detected. As the pattern can be considered
- * ended by a line delimiter, the result of this method is true if the
- * rule breaks on the end of the line, or if the EOF character is read.
- *
- * @param scanner the character scanner to be used
- * @return true if the end sequence has been detected
- */
- protected boolean endSequenceDetected(ICharacterScanner scanner) {
- int c;
-
- char[][] delimiters = scanner.getLegalLineDelimiters();
- while ((c = scanner.read()) != ICharacterScanner.EOF) {
- if (c == '<') {
- // scanner.unread();
- if (sequenceDetected(scanner, php2EndSequence, true)) {
- // true if the given sequence has been detected
- */
- protected boolean sequenceDetected(ICharacterScanner scanner, char[] sequence, boolean eofAllowed) {
- for (int i = 1; i < sequence.length; i++) {
- int c = scanner.read();
- if (c == ICharacterScanner.EOF && eofAllowed) {
- return true;
- } else if (c != sequence[i]) {
- // Non-matching character detected, rewind the scanner back to the start.
- scanner.unread();
- for (int j = i - 1; j > 0; j--)
- scanner.unread();
- return false;
+ break;
+ case '#': // line comment
+ // read until end of line
+ if (!readSingleLine()) {
+ state = STATE_DEFAULT;
+ return getToken(token);
+ }
+ break;
+ case '?':
+ ch = read();
+ switch (ch) {
+ case ICharacterScanner.EOF:
+ case '>':
+ state = STATE_DEFAULT;
+ return getToken(token);
+
+ case '?':
+ continue;
+ default:
+ continue;
}
}
- return true;
+ ch = read();
}
+ }
- /*
- * @see IPredicateRule#evaluate(ICharacterScanner, boolean)
- * @since 2.0
- */
- public IToken evaluate(ICharacterScanner scanner, boolean resume) {
- if (fColumn == UNDEFINED)
- return doEvaluate(scanner, resume);
-
- int c = scanner.read();
- scanner.unread();
- // if (c == fStartSequence[0])
- return (fColumn == scanner.getColumn() ? doEvaluate(scanner, resume) : Token.UNDEFINED);
- // else
- // return Token.UNDEFINED;
- }
+ private IToken getToken(String type) {
+ length = position - offset;
- /*
- * @see IPredicateRule#getSuccessToken()
- * @since 2.0
- */
- public IToken getSuccessToken() {
- return fToken;
+ if (length == 0) {
+ return Token.EOF;
}
- }
- /**
- * Detector for empty comments.
- */
- static class EmptyCommentDetector implements IWordDetector {
- /* (non-Javadoc)
- * Method declared on IWordDetector
- */
- public boolean isWordStart(char c) {
- return (c == '/');
+// if (length<0) {
+// try {
+// System.out.println("Length<0:"+document.get(offset,5)+""+length);
+// } catch (BadLocationException e) {
+// e.printStackTrace();
+// }
+// }
+
+ if (type == null) {
+ return Token.UNDEFINED;
}
- /* (non-Javadoc)
- * Method declared on IWordDetector
- */
- public boolean isWordPart(char c) {
- return (c == '*' || c == '/');
+ IToken token = (IToken) tokens.get(type);
+ if (token == null) {
+ token = new Token(type);
+ tokens.put(type, token);
}
- };
-
- /**
- *
- */
- static class WordPredicateRule extends WordRule implements IPredicateRule {
- private IToken fSuccessToken;
+ return token;
+ }
- public WordPredicateRule(IToken successToken) {
- super(new EmptyCommentDetector());
- fSuccessToken = successToken;
- addWord("/**/", fSuccessToken);
+ private int read() {
+ if (position >= end) {
+ return ICharacterScanner.EOF;
}
- /*
- * @see org.eclipse.jface.text.rules.IPredicateRule#evaluate(ICharacterScanner, boolean)
- */
- public IToken evaluate(ICharacterScanner scanner, boolean resume) {
- return super.evaluate(scanner);
+ try {
+ return document.getChar(position++);
+ } catch (BadLocationException e) {
+ --position;
+ return ICharacterScanner.EOF;
}
+ }
- /*
- * @see org.eclipse.jface.text.rules.IPredicateRule#getSuccessToken()
- */
- public IToken getSuccessToken() {
- return fSuccessToken;
+ private boolean readUntilEscapedDQ() {
+ // search last double quoted character
+ try {
+ char ch;
+ while (true) {
+ if (position >= end) {
+ return false;
+ }
+ ch = document.getChar(position++);
+ if (ch == '\\') {
+ if (position >= end) {
+ return false;
+ }
+ ch = document.getChar(position++); // ignore escaped character
+ } else if (ch == '"') {
+ return true;
+ }
+ }
+ } catch (BadLocationException e) {
+ --position;
}
- };
-
- /**
- * Creates the partitioner and sets up the appropriate rules.
- */
- public PHPPartitionScanner() {
- super();
-
- // IToken php = new Token(PHP);
- // IToken html = new Token(HTML);
- // IToken comment = new Token(HTML_MULTILINE_COMMENT);
-
- List rules = new ArrayList();
+ return false;
+ }
+
+ private boolean readUntilEscapedSQ() {
+ // search last single quoted character
+ try {
+ char ch;
+ while (true) {
+ if (position >= end) {
+ return false;
+ }
+ ch = document.getChar(position++);
+ if (ch == '\\') {
+ if (position >= end) {
+ return false;
+ }
+ ch = document.getChar(position++); // ignore escaped character
+ } else if (ch == '\'') {
+ return true;
+ }
+ }
+ } catch (BadLocationException e) {
+ --position;
+ }
+ return false;
+ }
- // Add rule for single line comments.
- // rules.add(new EndOfLineRule("//", Token.UNDEFINED));
+ private boolean readSingleLine() {
+ try {
+ do {
+ if (position >= end) {
+ return false;
+ }
+ } while (document.getChar(position++) != '\n');
+ return true;
+ } catch (BadLocationException e) {
+ --position;
+ }
+ return false;
+ }
- // Add rule for strings and character constants.
- // rules.add(new SingleLineRule("\"", "\"", Token.UNDEFINED, '\\'));
- // rules.add(new SingleLineRule("'", "'", Token.UNDEFINED, '\\'));
+ private boolean readMultiLineComment() {
+ try {
+ char ch;
+ while (true) {
+ if (position >= end) {
+ return false;
+ }
+ ch = document.getChar(position++);
+ if (ch == '*') {
+ if (position >= end) {
+ return false;
+ }
+ if (document.getChar(position) == '/') {
+ position++;
+ return true;
+ }
+ }
+ }
+ } catch (BadLocationException e) {
+ --position;
+ }
+ return false;
+ }
- // Add special case word rule.
- // rules.add(new WordPredicateRule(comment));
+ private void unread() {
+ --position;
+ }
- // Add rules for multi-line comments and javadoc.
- //rules.add(new MultiLineRule("/**", "*/", javaDoc));
- // rules.add(new HTMLMultiLineRule("<", "= 0, Integer.toString(offset));
+ }
+ return offset;
+ }
- rules.add(new MultiLineRule("", comment));
- rules.add(new PHPMultiLineRule("", php));
- rules.add(new PHPMultiLineRule("", php));
- rules.add(new PHPMultiLineRule("", php));
- rules.add(new PHPMultiLineRule("", php));
- rules.add(new PHPMultiLineRule("", php));
- rules.add(new PHPMultiLineRule("", php));
+ /*
+ * @see org.eclipse.jface.text.rules.ITokenScanner#getTokenLength()
+ */
+ public int getTokenLength() {
+ return length;
+ }
- // rules.add(new HTMLPatternRule(html)); // "<", " -1) {
+ int delta = offset - partitionOffset;
+ if (delta > 0) {
+ setRange(document, partitionOffset, length + delta);
+ return;
+ }
+ }
+ setRange(document, partitionOffset, length);
}
- // public IToken nextToken() {
- //
- // if (fContentType == null || fRules == null)
- // return getNextToken();
- //
- // fTokenOffset= fOffset;
- // fColumn= UNDEFINED;
- // boolean resume= (fPartitionOffset < fOffset);
- //
- // IPredicateRule rule;
- // IToken token;
- //
- // for (int i= 0; i < fRules.length; i++) {
- // rule= (IPredicateRule) fRules[i];
- // token= rule.getSuccessToken();
- // if (fContentType.equals(token.getData())) {
- // if (resume)
- // fTokenOffset= fPartitionOffset;
- // token= rule.evaluate(this, resume);
- // if (!token.isUndefined()) {
- // fContentType= null;
- // return token;
- // }
- // }
- // }
- //
- // fContentType= null;
- // return getNextToken();
- // }
- //
- // public IToken getNextToken() {
- //
- // IToken token;
- //
- // while (true) {
- //
- // fTokenOffset= fOffset;
- // fColumn= UNDEFINED;
- //
- // if (fRules != null) {
- // for (int i= 0; i < fRules.length; i++) {
- // token= (fRules[i].evaluate(this));
- // if (!token.isUndefined())
- // return token;
- // }
- // }
- //
- // if (read() == EOF)
- // return Token.EOF;
- // else
- // return fDefaultReturnToken;
- // }
- // }
-}
+ // private boolean isContinuationPartition(IDocument document, int offset) {
+ // try {
+ // String type = document.getContentType(offset - 1);
+ //
+ // if (type != IDocument.DEFAULT_CONTENT_TYPE) {
+ // return true;
+ // }
+ // } catch (BadLocationException e) {}
+ //
+ // return false;
+ // }
+}
\ No newline at end of file