X-Git-Url: http://secure.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 8e2485d..54eaa7d 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 @@ -6,7 +6,7 @@ * Created on 05.03.2003 * * @author Stefan Langer (musk) - * @version $Revision: 1.10 $ + * @version $Revision: 1.15 $ */ package net.sourceforge.phpeclipse.phpeditor.php; @@ -18,50 +18,52 @@ import org.eclipse.jface.text.rules.*; /** * */ -public class PHPPartitionScanner implements IPartitionTokenScanner -{ -// private final int HTML = 0; -// private final int PHP = 1; -// private final int JS = 2; -// private final int CSS = 4; -// private final int COMMENT = 5; -// private final int HTMLCOMMENT = 6; +public class PHPPartitionScanner implements IPartitionTokenScanner { + private static final boolean DEBUG = false; + private IDocument fDocument = null; + private int fOffset = -1; + private String fContentType = IPHPPartitionScannerConstants.HTML; + private String fPrevContentType; - private IDocument fDocument = null; - private int fOffset = -1; -// private int fLastOffset = -1; - private String fContentType = IPHPPartitionScannerConstants.HTML; - - private boolean partitionBorder = false; - private int fTokenOffset; - private int fEnd = -1; - private int fLength; - //private int fState = HTML; - private Map tokens = new HashMap(); + private boolean partitionBorder = false; + private int fTokenOffset; + private int fEnd = -1; + private int fLength; + private Map tokens = new HashMap(); - public PHPPartitionScanner() - { - this.tokens.put( - IPHPPartitionScannerConstants.PHP, - new Token(IPHPPartitionScannerConstants.PHP)); - this.tokens.put( - IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT, - new Token(IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT)); - this.tokens.put( - IPHPPartitionScannerConstants.HTML, - new Token(IPHPPartitionScannerConstants.HTML)); - this.tokens.put( - IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT, - new Token(IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT)); - } + public PHPPartitionScanner() { + this.tokens.put( + IPHPPartitionScannerConstants.PHP, + new Token(IPHPPartitionScannerConstants.PHP)); + this.tokens.put( + IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT, + new Token(IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT)); + this.tokens.put( + IPHPPartitionScannerConstants.HTML, + new Token(IPHPPartitionScannerConstants.HTML)); + this.tokens.put( + IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT, + new Token(IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT)); + this.tokens.put( + IDocument.DEFAULT_CONTENT_TYPE, + new Token(IDocument.DEFAULT_CONTENT_TYPE)); + } - private IToken getToken(String type) - { - fLength = fOffset-fTokenOffset; - IToken token = (IToken)this.tokens.get(type); - Assert.isNotNull(token, "Token for type \"" + type + "\" not found!"); - return token; + private IToken getToken(String type) { + fLength = fOffset - fTokenOffset; + IToken token = (IToken) this.tokens.get(type); + Assert.isNotNull(token, "Token for type \"" + type + "\" not found!"); + if (DEBUG) { + System.out.println( + "Partition: fTokenOffset=" + + fTokenOffset + + " fContentType=" + + fContentType + + " fLength=" + + fLength); } + return token; + } /* (non-Javadoc) * @see org.eclipse.jface.text.rules.IPartitionTokenScanner#setPartialRange(org.eclipse.jface.text.IDocument, int, int, java.lang.String, int) @@ -73,266 +75,303 @@ public void setPartialRange( String contentType, int partitionOffset) { - this.setRange(document, offset, length); - if(this.tokens.containsKey(contentType)) - fContentType = contentType; + this.setRange(document, offset, length); + if (DEBUG) + { + System.out.println( + "PartialRange: contentType=" + + contentType + + " partitionOffset=" + + partitionOffset); + } + + if(offset == partitionOffset) + { + try + { + fContentType = fDocument.getContentType(offset); + } + catch (BadLocationException e) + { + //should never happen + } + } + else if (this.tokens.containsKey(contentType)) + fContentType = contentType; + // TODO Calculate previouse contenttype if (partitionOffset > -1) { - partitionBorder = false; + partitionBorder = false; fTokenOffset = partitionOffset; } } - /* (non-Javadoc) - * @see org.eclipse.jface.text.rules.ITokenScanner#getTokenLength() - */ - public int getTokenLength() + /* (non-Javadoc) + * @see org.eclipse.jface.text.rules.ITokenScanner#getTokenLength() + */ + public int getTokenLength() { + return fLength; + } + + /* (non-Javadoc) + * @see org.eclipse.jface.text.rules.ITokenScanner#getTokenOffset() + */ + public int getTokenOffset() { + return fTokenOffset; + } + +/* (non-Javadoc) + * @see org.eclipse.jface.text.rules.ITokenScanner#nextToken() + */ +public IToken nextToken() +{ + int c; + + // check if we are not allready at the end of the + // file + if ((c = read()) == ICharacterScanner.EOF) { - return fLength; + partitionBorder = false; + return Token.EOF; } + else + unread(); - /* (non-Javadoc) - * @see org.eclipse.jface.text.rules.ITokenScanner#getTokenOffset() - */ - public int getTokenOffset() - { - return fTokenOffset; + if (partitionBorder) + { + fTokenOffset = fOffset; + partitionBorder = false; } - /* (non-Javadoc) - * @see org.eclipse.jface.text.rules.ITokenScanner#nextToken() - */ - public IToken nextToken() + while ((c = read()) != ICharacterScanner.EOF) { - int c; - - // check if we are not allready at the end of the - // file - if ((c = read()) == ICharacterScanner.EOF) + switch (c) { - partitionBorder = false; - return Token.EOF; - } - else - unread(); + case '<' : + if (fContentType + != IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT + && checkPattern(new char[] { '?', 'p', 'h', 'p' }, true)) + { + if (fContentType != IPHPPartitionScannerConstants.PHP + && fOffset - 5 > 0) + { + fOffset -= 5; + IToken token = getToken(fContentType); + // save previouse contenttype + fPrevContentType = fContentType; - if (partitionBorder) - { - fTokenOffset = fOffset; - partitionBorder = false; - } + fContentType = IPHPPartitionScannerConstants.PHP; - while ((c = read()) != ICharacterScanner.EOF) - { - switch (c) - { - case '<' : - if (fContentType != IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT && checkPattern(new char[] { '?', 'p', 'h', 'p' }, true)) - { + return token; + } + else + fContentType = IPHPPartitionScannerConstants.PHP; - if (fContentType != IPHPPartitionScannerConstants.PHP - && fOffset - 5 > 0) - { - fOffset -= 5; + // remember offset of this partition + fTokenOffset = fOffset - 5; + } + else if ( + fContentType + != IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT + && checkPattern(new char[] { '?' }, false)) + { + if (fContentType != IPHPPartitionScannerConstants.PHP + && fOffset - 2 > 0) + { + fOffset -= 2; IToken token = getToken(fContentType); + // save previouse contenttype + fPrevContentType = + fContentType; fContentType = IPHPPartitionScannerConstants.PHP; - return token; - } - else - fContentType = IPHPPartitionScannerConstants.PHP; - - // remember offset of this partition - fTokenOffset = fOffset - 5; - } - else if (checkPattern(new char[] { '!', '-', '-' })) + } + else + fContentType = IPHPPartitionScannerConstants.PHP; + // remember offset of this partition + fTokenOffset = fOffset - 2; + } + else if (checkPattern(new char[] { '!', '-', '-' })) + { // return previouse partition + if ( + fContentType + != IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT + && fOffset - 4 > 0) { - // return previouse partition - if (fContentType - != IPHPPartitionScannerConstants - .HTML_MULTILINE_COMMENT - && fOffset - 4 > 0) - { - fOffset -= 4; + fOffset -= 4; IToken token = getToken(fContentType); fContentType = IPHPPartitionScannerConstants .HTML_MULTILINE_COMMENT; return token; - } - else - fContentType = - IPHPPartitionScannerConstants - .HTML_MULTILINE_COMMENT; - - fTokenOffset = fOffset - 4; - } - break; - case '?' : - if (fContentType == IPHPPartitionScannerConstants.PHP) - { - if ((c = read()) == '>') - { - fContentType = IPHPPartitionScannerConstants.HTML; - partitionBorder = true; - return getToken(IPHPPartitionScannerConstants.PHP); - } - else if(c != ICharacterScanner.EOF) - unread(); - } - break; - case '-' : - if (fContentType - == IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT - && checkPattern(new char[] { '-', '>' })) - { - fContentType = IPHPPartitionScannerConstants.HTML; + } + else + fContentType = + IPHPPartitionScannerConstants + .HTML_MULTILINE_COMMENT; + fTokenOffset = fOffset - 4; + } + break; case '?' : + if (fContentType == IPHPPartitionScannerConstants.PHP) + { + if ((c = read()) == '>') + { // TODO Actually calculate the previouse contenttype from the document + if ( + fPrevContentType + != null) + fContentType = fPrevContentType; else + fContentType = + IPHPPartitionScannerConstants.HTML; + partitionBorder = true; + return getToken( + IPHPPartitionScannerConstants.PHP); + } + else if (c != ICharacterScanner.EOF) + unread(); } + break; case '-' : + if (fContentType + == IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT + && checkPattern(new char[] { '-', '>' })) + { + fContentType = IPHPPartitionScannerConstants.HTML; partitionBorder = true; return getToken( IPHPPartitionScannerConstants .HTML_MULTILINE_COMMENT); - } - break; - case '/' : - if ((c=read()) == '*') - { // MULTINE COMMENT JAVASCRIPT, CSS, PHP - if (fContentType == IPHPPartitionScannerConstants.PHP - && fOffset - 2 > 0) - { - fOffset -= 2; + } + break; case '/' : + if ((c = read()) == '*') + { // MULTINE COMMENT JAVASCRIPT, CSS, PHP + if ( + fContentType == IPHPPartitionScannerConstants.PHP + && fOffset - 2 > 0) + { + fOffset -= 2; IToken token = getToken(fContentType); fContentType = IPHPPartitionScannerConstants .PHP_MULTILINE_COMMENT; - return token; - } - else if ( - fContentType - == IPHPPartitionScannerConstants - .PHP_MULTILINE_COMMENT) - { - - fTokenOffset = fOffset - 2; - } - - } - else if(c != ICharacterScanner.EOF) - unread(); - break; - case '*' : - if ((c = read()) == '/') - { - if (fContentType + } + else if ( + fContentType == IPHPPartitionScannerConstants .PHP_MULTILINE_COMMENT) + { + + fTokenOffset = fOffset - 2; } + + } + else if (c != ICharacterScanner.EOF) + unread(); break; case '*' : + if ((c = read()) == '/') { - fContentType = IPHPPartitionScannerConstants.PHP; - partitionBorder = true; - return getToken( - IPHPPartitionScannerConstants - .PHP_MULTILINE_COMMENT); - } - else if ( - fContentType - == IPHPPartitionScannerConstants - .CSS_MULTILINE_COMMENT) - { - } - else if ( - fContentType + if (fContentType == IPHPPartitionScannerConstants - .JS_MULTILINE_COMMENT) - { + .PHP_MULTILINE_COMMENT) + { + fContentType = + IPHPPartitionScannerConstants.PHP; + partitionBorder = true; + return getToken( + IPHPPartitionScannerConstants + .PHP_MULTILINE_COMMENT); + } + else if ( + fContentType + == IPHPPartitionScannerConstants + .CSS_MULTILINE_COMMENT) + { + } + else if ( + fContentType + == IPHPPartitionScannerConstants + .JS_MULTILINE_COMMENT) + { + } } - } - else if(c != ICharacterScanner.EOF) - unread(); - break; - } + else if (c != ICharacterScanner.EOF) + unread(); break; } + } // end of file reached but we have to return the + // last partition. + return getToken(fContentType); } - - // end of file reached but we have to return the - // last partition. - return getToken(fContentType); - } - /* (non-Javadoc) - * @see org.eclipse.jface.text.rules.ITokenScanner#setRange(org.eclipse.jface.text.IDocument, int, int) - */ - public void setRange(IDocument document, int offset, int length) - { - fDocument = document; - fOffset = offset; - fTokenOffset = offset; - fLength = 0; - fEnd = fOffset + length; - //partitionBorder = false; + /* (non-Javadoc) + * @see org.eclipse.jface.text.rules.ITokenScanner#setRange(org.eclipse.jface.text.IDocument, int, int) + */ + public void setRange(IDocument document, int offset, int length) { + if (DEBUG) { + System.out.println("SET RANGE: offset=" + offset + " length=" + length); } - private int read() - { - try - { - if (fOffset < fEnd) - { - return fDocument.getChar(fOffset++); - } - return ICharacterScanner.EOF; - } - catch (BadLocationException e) - { - // should never happen - // TODO write stacktrace to log - fOffset = fEnd; - return ICharacterScanner.EOF; - } - } + fDocument = document; + fOffset = offset; + fTokenOffset = offset; + fLength = 0; + fEnd = fOffset + length; + //partitionBorder = false; + } - private void unread() - { - --fOffset; + private int read() { + try { + if (fOffset < fEnd) { + return fDocument.getChar(fOffset++); + } + return ICharacterScanner.EOF; + } catch (BadLocationException e) { + // should never happen + // TODO write stacktrace to log + fOffset = fEnd; + return ICharacterScanner.EOF; } + } - private boolean checkPattern(char[] pattern) - { - return checkPattern(pattern, false); - } + private void unread() { + --fOffset; + } - /** - * Check if next character sequence read from document is equals to - * the provided pattern. Pattern is read from left to right until the - * first character read doesn't match. If this happens all read characters are - * unread. - * @param pattern The pattern to check. - * @return true if pattern is equals else returns false. - */ - private boolean checkPattern(char[] pattern, boolean ignoreCase) - { - int prevOffset = fOffset; - for (int i = 0; i < pattern.length; i++) - { - int c = read(); - - if(c == ICharacterScanner.EOF || !letterEquals(c, pattern[i], ignoreCase)) - { - fOffset = prevOffset; - return false; - } - } + private boolean checkPattern(char[] pattern) { + return checkPattern(pattern, false); + } - return true; - } - - private boolean letterEquals(int test, char letter, boolean ignoreCase) - { - if(test == letter) - return true; - else if(ignoreCase && Character.isLowerCase(letter) && test == Character.toUpperCase(letter)) - return true; - else if(ignoreCase && Character.isUpperCase(letter) && test == Character.toLowerCase(letter)) - return true; - - return false; + /** + * Check if next character sequence read from document is equals to + * the provided pattern. Pattern is read from left to right until the + * first character read doesn't match. If this happens all read characters are + * unread. + * @param pattern The pattern to check. + * @return true if pattern is equals else returns false. + */ + private boolean checkPattern(char[] pattern, boolean ignoreCase) { + int prevOffset = fOffset; + for (int i = 0; i < pattern.length; i++) { + int c = read(); + + if (c == ICharacterScanner.EOF + || !letterEquals(c, pattern[i], ignoreCase)) { + fOffset = prevOffset; + return false; + } } - + + return true; + } + + private boolean letterEquals(int test, char letter, boolean ignoreCase) { + if (test == letter) + return true; + else if ( + ignoreCase + && Character.isLowerCase(letter) + && test == Character.toUpperCase(letter)) + return true; + else if ( + ignoreCase + && Character.isUpperCase(letter) + && test == Character.toLowerCase(letter)) + return true; + + return false; + } + }