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 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 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) {
}
}
scanner.unread();
+ return false;
+ }
+ }
+
+// 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.
public PHPPartitionScanner() {
super();
- // IToken javaDoc= new Token(JAVA_DOC);
- IToken comment = new Token(JAVA_MULTILINE_COMMENT);
- IToken php = new Token(PHP);
+ // IToken php = new Token(PHP);
+ // IToken html = new Token(HTML);
+ // IToken comment = new Token(HTML_MULTILINE_COMMENT);
List rules = new ArrayList();
// rules.add(new SingleLineRule("'", "'", Token.UNDEFINED, '\\'));
// Add special case word rule.
- rules.add(new WordPredicateRule(comment));
+// 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("<? ", "?>", 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;
+ // }
+ // }
}
git://git.phpeclipse.com / phpeclipse.git / blobdiff