/**********************************************************************
-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 1.34 2006-10-21 23:18:32 pombredanne Exp $
+ **********************************************************************/
package net.sourceforge.phpeclipse.phpeditor.php;
-import java.util.ArrayList;
-import java.util.List;
+import java.util.HashMap;
+import java.util.Map;
+import net.sourceforge.phpdt.internal.compiler.parser.Scanner;
+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.MultiLineRule;
-import org.eclipse.jface.text.rules.RuleBasedPartitionScanner;
import org.eclipse.jface.text.rules.Token;
/**
- * This scanner recognizes the JavaDoc comments and Java multi line comments.
+ *
+ *
+ * @author Igor Malinin
*/
-public class PHPPartitionScanner extends RuleBasedPartitionScanner {
-
- 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"; //$NON-NLS-1$
- //public final static String HTML = "__html"; //$NON-NLS-1$
-
- 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);
-
- protected final static char[] php0EndSequence = { '<', '?' };
- protected final static char[] php1EndSequence = { '<', '?', 'p', 'h', 'p' };
- protected final static char[] php2EndSequence = { '<', '?', 'P', 'H', 'P' };
-
- 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 (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;
- }
-
- 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 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)) {
- // // <?PHP
- // scanner.unread();
- // scanner.unread();
- // scanner.unread();
- // scanner.unread();
- // scanner.unread();
- // return true;
- // }
- // if (sequenceDetected(scanner, php1EndSequence, true)) {
- // // <?php
- // scanner.unread();
- // scanner.unread();
- // scanner.unread();
- // scanner.unread();
- // scanner.unread();
- // return true;
- // }
- // if (sequenceDetected(scanner, php0EndSequence, true)) {
- // // <?
- // scanner.unread();
- // scanner.unread();
- // return true;
- // }
- // // scanner.read();
- // }
- //
- // }
- // scanner.unread();
- // return false;
- // }
- //
- // protected IToken doEvaluate(ICharacterScanner scanner, boolean resume) {
- //
- // if (resume) {
- //
- // if (endSequenceDetected(scanner))
- // return fToken;
- //
- // } else {
- //
- // int c = scanner.read();
- // // if (c == fStartSequence[0]) {
- // // if (sequenceDetected(scanner, fStartSequence, false)) {
- // if (endSequenceDetected(scanner))
- // return fToken;
- // // }
- // // }
- // }
- //
- // scanner.unread();
- // return Token.UNDEFINED;
- // }
- //
- // 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;
- // }
- // }
-
-// public class HTMLPatternRule implements IPredicateRule {
-//
-// protected static final int UNDEFINED = -1;
-//
-// /** The token to be returned on success */
-// protected IToken fToken;
-//
-// /** The pattern's column constrain */
-// protected int fColumn = UNDEFINED;
-// /** The pattern's escape character */
-// protected char fEscapeCharacter;
-// /** Indicates whether end of line termines the pattern */
-// protected boolean fBreaksOnEOL;
-//
-// /**
-// * Creates a rule for the given starting and ending sequence.
-// * When these sequences are detected the rule will return the specified token.
-// * Alternatively, the sequence can also be ended by the end of the line.
-// * Any character which follows the given escapeCharacter will be ignored.
-// *
-// * @param startSequence the pattern's start sequence
-// * @param endSequence the pattern's end sequence, <code>null</code> 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;
-// }
-//
-// /**
-// * 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
-// */
-// 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);
-// }
-//
-// /**
-// * Evaluates this rules without considering any column constraints. Resumes
-// * detection, i.e. look sonly for the end sequence required by this rule if the
-// * <code>resume</code> flag is set.
-// *
-// * @param scanner the character scanner to be used
-// * @param resume <code>true</code> if detection should be resumed, <code>false</code> otherwise
-// * @return the token resulting from this evaluation
-// * @since 2.0
-// */
-// protected IToken doEvaluate(ICharacterScanner scanner, boolean resume) {
-//
-// if (resume) {
-//
-// if (endSequenceDetected(scanner))
-// return fToken;
-//
-// } else {
-//
-// int c = scanner.read();
-// // if (c == fStartSequence[0]) {
-// // if (sequenceDetected(scanner, fStartSequence, false)) {
-// if (endSequenceDetected(scanner))
-// return fToken;
-// // }
-// // }
-// }
-//
-// scanner.unread();
-// return Token.UNDEFINED;
-// }
-//
-// /*
-// * @see IRule#evaluate
-// */
-// public IToken evaluate(ICharacterScanner scanner) {
-// return evaluate(scanner, false);
-// }
-//
-// /**
-// * Returns whether the end sequence was detected. As the pattern can be considered
-// * ended by a line delimiter, the result of this method is <code>true</code> 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 <code>true</code> 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)) {
-// // <?PHP
-// scanner.unread();
-// scanner.unread();
-// scanner.unread();
-// scanner.unread();
-// scanner.unread();
-// return true;
-// }
-// if (sequenceDetected(scanner, php1EndSequence, true)) {
-// // <?php
-// scanner.unread();
-// scanner.unread();
-// scanner.unread();
-// scanner.unread();
-// scanner.unread();
-// return true;
-// }
-// if (sequenceDetected(scanner, php0EndSequence, true)) {
-// // <?
-// scanner.unread();
-// scanner.unread();
-// return true;
-// }
-// // scanner.read();
-// }
-//
-// }
-// scanner.unread();
-// return false;
-// }
-//
-// /**
-// * Returns whether the next characters to be read by the character scanner
-// * are an exact match with the given sequence. No escape characters are allowed
-// * within the sequence. If specified the sequence is considered to be found
-// * when reading the EOF character.
-// *
-// * @param scanner the character scanner to be used
-// * @param sequence the sequence to be detected
-// * @param eofAllowed indicated whether EOF terminates the pattern
-// * @return <code>true</code> 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;
-// }
-// }
-//
-// return true;
-// }
-//
-// /*
-// * @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;
-// }
-//
-// /*
-// * @see IPredicateRule#getSuccessToken()
-// * @since 2.0
-// */
-// public IToken getSuccessToken() {
-// return fToken;
-// }
-// }
- /**
- * 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 php = new Token(PHP);
- // IToken html = new Token(HTML);
- // IToken comment = new Token(HTML_MULTILINE_COMMENT);
-
- 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 HTMLMultiLineRule("<", "<?", html));
-
- 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));
-
- // rules.add(new HTMLPatternRule(html)); // "<", "<?",
- //Add rule for processing instructions
-
- IPredicateRule[] result = new IPredicateRule[rules.size()];
- rules.toArray(result);
- setPredicateRules(result);
- // setDefaultReturnToken(html);
- }
-
- // 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;
- // }
- // }
-}
+public class PHPPartitionScanner implements IPartitionTokenScanner {
+ public static final String PHP_SCRIPTING_AREA = "__php_scripting_area ";
+
+ public static final int STATE_DEFAULT = 0;
+
+ // public static final int STATE_TAG = 1;
+ // public static final int STATE_SCRIPT = 2;
+
+ private IDocument document;
+
+ // private int begin;
+
+ private int end;
+
+ private int offset;
+
+ private int length;
+
+ private int position;
+
+ // private int state;
+
+ private Map tokens = new HashMap();
+
+ public PHPPartitionScanner() {
+ }
+
+ /*
+ * @see org.eclipse.jface.text.rules.ITokenScanner#nextToken()
+ */
+ public IToken nextToken() {
+ offset += length;
+
+ /*
+ * switch (state) { case STATE_TAG: return nextTagToken(); }
+ */
+
+ switch (read()) {
+ case ICharacterScanner.EOF:
+ // state = STATE_DEFAULT;
+ return getToken(null);
+
+ case '<':
+ switch (read()) {
+ case ICharacterScanner.EOF:
+ // state = STATE_DEFAULT;
+ return getToken(null);
+
+ case '?': // <?
+ // int ch = read();
+ //
+ // switch (ch) {
+ // case ICharacterScanner.EOF:
+ // state = STATE_DEFAULT;
+ // return getToken(PHP_SCRIPTING_AREA);
+ // }
+ return scanUntilPHPEndToken(PHP_SCRIPTING_AREA);
+ }
+
+ unread();
+ }
+
+ loop: while (true) {
+ switch (read()) {
+ case ICharacterScanner.EOF:
+ // state = STATE_DEFAULT;
+ return getToken(null);
+
+ case '<':
+ switch (read()) {
+ case ICharacterScanner.EOF:
+ // state = STATE_DEFAULT;
+ return getToken(null);
+
+ case '?':
+ unread();
+ break;
+
+ case '<':
+ unread();
+
+ default:
+ continue loop;
+ }
+
+ unread();
+
+ // state = STATE_DEFAULT;
+ return getToken(null);
+ }
+ }
+ }
+
+ private IToken scanUntilPHPEndToken(String token) {
+ int ch = read();
+ while (true) {
+ switch (ch) {
+ case ICharacterScanner.EOF:
+ // state = STATE_DEFAULT;
+ return getToken(token);
+ case '"': // double quoted string
+ // read until end of double quoted string
+ if (!readUntilEscapedDQ()) {
+ // state = STATE_DEFAULT;
+ return getToken(token);
+ }
+ break;
+ case '<': // heredoc string
+ ch = read();
+ switch (ch) {
+ case ICharacterScanner.EOF:
+ break;
+ case '<':
+ ch = read();
+ switch (ch) {
+ case ICharacterScanner.EOF:
+ break;
+ case '<':
+ // read until end of heredoc string
+ if (!readUntilEscapedHEREDOC()) {
+ // state = STATE_DEFAULT;
+ return getToken(token);
+ }
+ }
+ }
+ break;
+ case '\'': // single quoted string
+ // read until end of single quoted string
+ if (!readUntilEscapedSQ()) {
+ // state = STATE_DEFAULT;
+ return getToken(token);
+ }
+ break;
+ case '/': // comment start?
+ ch = read();
+ switch (ch) {
+ case ICharacterScanner.EOF:
+ break;
+ case '/':
+ // read until end of line
+ if (!readSingleLine()) {
+ // state = STATE_DEFAULT;
+ return getToken(token);
+ }
+ break;
+ case '*':
+ // read until end of comment
+ if (!readMultiLineComment()) {
+ // state = STATE_DEFAULT;
+ return getToken(token);
+ }
+ break;
+ default:
+ continue;
+ }
+ 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;
+ }
+ }
+
+ ch = read();
+ }
+ }
+
+ private IToken getToken(String type) {
+ length = position - offset;
+
+ if (length == 0) {
+ return Token.EOF;
+ }
+
+ // 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;
+ }
+
+ IToken token = (IToken) tokens.get(type);
+ if (token == null) {
+ token = new Token(type);
+ tokens.put(type, token);
+ }
+
+ return token;
+ }
+
+ private int read() {
+ if (position >= end) {
+ return ICharacterScanner.EOF;
+ }
+
+ try {
+ return document.getChar(position++);
+ } catch (BadLocationException e) {
+ --position;
+ return ICharacterScanner.EOF;
+ }
+ }
+
+ 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;
+ }
+ 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;
+ }
+
+ private boolean readUntilEscapedHEREDOC() {
+ // search until heredoc ends
+ try {
+ char ch;
+ StringBuffer buf = new StringBuffer();
+ char[] heredocIdent;
+ if (position >= end) {
+ return false;
+ }
+ ch = document.getChar(position++);
+ if (!Scanner.isPHPIdentifierStart(ch)) {
+ return false;
+ }
+ while (Scanner.isPHPIdentifierPart(ch)) {
+ buf.append(ch);
+ if (position >= end) {
+ return false;
+ }
+ ch = document.getChar(position++);
+ }
+ heredocIdent = buf.toString().toCharArray();
+ while (true) {
+ if (position >= end) {
+ return false;
+ }
+ ch = document.getChar(position++);
+ if (ch == '\n') { // heredoc could end after a newline
+ int pos = 0;
+ while (true) {
+ if (position >= end) {
+ return false;
+ }
+ if (pos == heredocIdent.length) {
+ return true;
+ }
+ ch = document.getChar(position++); // ignore escaped
+ // character
+ if (ch != heredocIdent[pos]) {
+ break;
+ }
+ pos++;
+ }
+ }
+ }
+ } catch (BadLocationException e) {
+ --position;
+ }
+ return false;
+ }
+
+ private boolean readSingleLine() {
+ try {
+ do {
+ if (position >= end) {
+ return false;
+ }
+ } while (document.getChar(position++) != '\n');
+ return true;
+ } catch (BadLocationException e) {
+ --position;
+ }
+ return false;
+ }
+
+ 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;
+ }
+
+ private void unread() {
+ --position;
+ }
+
+ /*
+ * @see org.eclipse.jface.text.rules.ITokenScanner#getTokenOffset()
+ */
+ public int getTokenOffset() {
+ if (AbstractPartitioner.DEBUG) {
+ Assert.isTrue(offset >= 0, Integer.toString(offset));
+ }
+ return offset;
+ }
+
+ /*
+ * @see org.eclipse.jface.text.rules.ITokenScanner#getTokenLength()
+ */
+ public int getTokenLength() {
+ return length;
+ }
+
+ /*
+ * @see org.eclipse.jface.text.rules.ITokenScanner#setRange(IDocument, int,
+ * int)
+ */
+ public void setRange(IDocument document, int offset, int length) {
+ this.document = document;
+ // this.begin = offset;
+ this.end = offset + length;
+
+ this.offset = offset;
+ this.position = offset;
+ this.length = 0;
+ }
+
+ /*
+ * @see org.eclipse.jface.text.rules.IPartitionTokenScanner
+ */
+ public void setPartialRange(IDocument document, int offset, int length,
+ String contentType, int partitionOffset) {
+ // state = STATE_DEFAULT;
+ if (partitionOffset > -1) {
+ int delta = offset - partitionOffset;
+ if (delta > 0) {
+ setRange(document, partitionOffset, length + delta);
+ return;
+ }
+ }
+ setRange(document, partitionOffset, length);
+ }
+
+ // 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
git://secure.phpeclipse.com / phpeclipse.git / blobdiff