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 92badac..d1a64ad 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: 1.11 $ + * @version $Revision: 1.16 $ */ package net.sourceforge.phpeclipse.phpeditor.php; @@ -20,16 +20,19 @@ import org.eclipse.jface.text.rules.*; */ public class PHPPartitionScanner implements IPartitionTokenScanner { - private static final boolean DEBUG = false; + private static final boolean DEBUG = true; + private boolean fInString = false; + private boolean fInDoubString = false; private IDocument fDocument = null; private int fOffset = -1; private String fContentType = IPHPPartitionScannerConstants.HTML; - private String fPrevContentType; + private String fPrevContentType = IPHPPartitionScannerConstants.HTML; private boolean partitionBorder = false; private int fTokenOffset; private int fEnd = -1; private int fLength; + private int fCurrentLength; private Map tokens = new HashMap(); public PHPPartitionScanner() @@ -53,7 +56,34 @@ public class PHPPartitionScanner implements IPartitionTokenScanner private IToken getToken(String type) { - fLength = fOffset - fTokenOffset; + fLength = fCurrentLength; + if (DEBUG) + { + + try + { + if (fLength <= 0) + { + int line = fDocument.getLineOfOffset(fOffset); + System.err.println( + "Error at " + + line + + " offset:" + + String.valueOf( + fOffset - fDocument.getLineOffset(line))); + } + } + catch (BadLocationException e) + { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + Assert.isTrue(fLength > 0, "Partition length <= 0!"); + fCurrentLength = 0; + // String can never cross partition borders so reset string detection + fInString = false; + fInDoubString = false; IToken token = (IToken) this.tokens.get(type); Assert.isNotNull(token, "Token for type \"" + type + "\" not found!"); if (DEBUG) @@ -62,7 +92,7 @@ public class PHPPartitionScanner implements IPartitionTokenScanner "Partition: fTokenOffset=" + fTokenOffset + " fContentType=" - + fContentType + + type + " fLength=" + fLength); } @@ -79,7 +109,6 @@ public class PHPPartitionScanner implements IPartitionTokenScanner String contentType, int partitionOffset) { - this.setRange(document, offset, length); if (DEBUG) { System.out.println( @@ -89,14 +118,35 @@ public class PHPPartitionScanner implements IPartitionTokenScanner + partitionOffset); } - if (this.tokens.containsKey(contentType)) - fContentType = contentType; - // TODO Calculate previouse contenttype - if (partitionOffset > -1) + try { - partitionBorder = false; - fTokenOffset = partitionOffset; + if (partitionOffset > -1) + { + partitionBorder = false; + // because of strings we have to parse the whole partition + this.setRange( + document, + partitionOffset, + offset - partitionOffset + length); + // sometimes we get a wrong partition so we retrieve the partition + // directly from the document + fContentType = fDocument.getContentType(partitionOffset); + //TODO determine the previouse contenttypes as a stack + //if(partitionOffset > 1) + // fPrevContentType = fDocument.getContentType(partitionOffset-1); + } + else + this.setRange(document, offset, length); + + } + catch (BadLocationException e) + { + // should never happen + // TODO print stack trace to log + // fall back just scan the whole document again + this.setRange(document, 0, fDocument.getLength()); } + } /* (non-Javadoc) @@ -143,18 +193,20 @@ public class PHPPartitionScanner implements IPartitionTokenScanner switch (c) { case '<' : - if (fContentType - != IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT + if (!isInString(IPHPPartitionScannerConstants.PHP) + && fContentType + != IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT && checkPattern(new char[] { '?', 'p', 'h', 'p' }, true)) { - if (fContentType != IPHPPartitionScannerConstants.PHP - && fOffset - 5 > 0) + if (fContentType != IPHPPartitionScannerConstants.PHP + && fCurrentLength > 5) { - fOffset -= 5; + unread(5); IToken token = getToken(fContentType); // save previouse contenttype - fPrevContentType = fContentType; - + //TODO build stack for previouse contenttype + fPrevContentType = fContentType; + fContentType = IPHPPartitionScannerConstants.PHP; return token; @@ -164,18 +216,42 @@ public class PHPPartitionScanner implements IPartitionTokenScanner // remember offset of this partition fTokenOffset = fOffset - 5; + fCurrentLength = 5; } - else if (checkPattern(new char[] { '!', '-', '-' })) + else if ( + !isInString(IPHPPartitionScannerConstants.PHP) + && fContentType + != IPHPPartitionScannerConstants + .PHP_MULTILINE_COMMENT + && checkPattern(new char[] { '?' }, false)) { - // return previouse partition + if (fContentType != IPHPPartitionScannerConstants.PHP + && fCurrentLength > 2) + { + unread(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 - 2; + fCurrentLength = 2; + } + else if ( + !isInString(IPHPPartitionScannerConstants.PHP) + && checkPattern(new char[] { '!', '-', '-' })) + { // return previouse partition if (fContentType != IPHPPartitionScannerConstants .HTML_MULTILINE_COMMENT - && fOffset - 4 > 0) + && fCurrentLength > 4) { - fOffset -= 4; + unread(4); IToken token = getToken(fContentType); - fContentType = IPHPPartitionScannerConstants .HTML_MULTILINE_COMMENT; @@ -185,19 +261,22 @@ public class PHPPartitionScanner implements IPartitionTokenScanner fContentType = IPHPPartitionScannerConstants .HTML_MULTILINE_COMMENT; - + fTokenOffset = fOffset - 4; + fCurrentLength = 4; } break; case '?' : - if (fContentType == IPHPPartitionScannerConstants.PHP) + if (!isInString(IPHPPartitionScannerConstants.PHP) + && fContentType == IPHPPartitionScannerConstants.PHP) { if ((c = read()) == '>') - { // TODO Actually calculate the previouse contenttype from the document - if(fPrevContentType != null) - fContentType = fPrevContentType; - else - fContentType = IPHPPartitionScannerConstants.HTML; + { + if (fPrevContentType != null) + fContentType = fPrevContentType; + else + fContentType = + IPHPPartitionScannerConstants.HTML; partitionBorder = true; return getToken(IPHPPartitionScannerConstants.PHP); } @@ -206,8 +285,10 @@ public class PHPPartitionScanner implements IPartitionTokenScanner } break; case '-' : - if (fContentType - == IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT + if (!isInString(IPHPPartitionScannerConstants.PHP) + && fContentType + == IPHPPartitionScannerConstants + .HTML_MULTILINE_COMMENT && checkPattern(new char[] { '-', '>' })) { fContentType = IPHPPartitionScannerConstants.HTML; @@ -218,18 +299,16 @@ public class PHPPartitionScanner implements IPartitionTokenScanner } break; case '/' : - if ((c = read()) == '*') + if (!isInString(IPHPPartitionScannerConstants.PHP) && (c = read()) == '*') { // MULTINE COMMENT JAVASCRIPT, CSS, PHP if (fContentType == IPHPPartitionScannerConstants.PHP - && fOffset - 2 > 0) + && fCurrentLength > 2) { - fOffset -= 2; + unread(2); IToken token = getToken(fContentType); - fContentType = IPHPPartitionScannerConstants .PHP_MULTILINE_COMMENT; - return token; } else if ( @@ -239,14 +318,15 @@ public class PHPPartitionScanner implements IPartitionTokenScanner { fTokenOffset = fOffset - 2; + fCurrentLength = 2; } } - else if (c != ICharacterScanner.EOF) + else if (!isInString(IPHPPartitionScannerConstants.PHP) && c != ICharacterScanner.EOF) unread(); break; case '*' : - if ((c = read()) == '/') + if (!isInString(IPHPPartitionScannerConstants.PHP) && (c = read()) == '/') { if (fContentType == IPHPPartitionScannerConstants @@ -254,7 +334,6 @@ public class PHPPartitionScanner implements IPartitionTokenScanner { fContentType = IPHPPartitionScannerConstants.PHP; partitionBorder = true; - return getToken( IPHPPartitionScannerConstants .PHP_MULTILINE_COMMENT); @@ -272,13 +351,20 @@ public class PHPPartitionScanner implements IPartitionTokenScanner { } } - else if (c != ICharacterScanner.EOF) + else if (!isInString(IPHPPartitionScannerConstants.PHP) && c != ICharacterScanner.EOF) unread(); break; + case '\'' : + if (!fInDoubString) + fInString = !fInString; + break; + case '"' : + // toggle String mode + if (!fInString) + fInDoubString = !fInDoubString; + break; } - } - - // end of file reached but we have to return the + } // end of file reached but we have to return the // last partition. return getToken(fContentType); } @@ -296,8 +382,11 @@ public class PHPPartitionScanner implements IPartitionTokenScanner fDocument = document; fOffset = offset; fTokenOffset = offset; + fCurrentLength = 0; fLength = 0; fEnd = fOffset + length; + fInString = false; + fInDoubString = false; //partitionBorder = false; } @@ -307,6 +396,7 @@ public class PHPPartitionScanner implements IPartitionTokenScanner { if (fOffset < fEnd) { + fCurrentLength++; return fDocument.getChar(fOffset++); } return ICharacterScanner.EOF; @@ -323,6 +413,13 @@ public class PHPPartitionScanner implements IPartitionTokenScanner private void unread() { --fOffset; + --fCurrentLength; + } + + private void unread(int num) + { + fOffset -= num; + fCurrentLength -= num; } private boolean checkPattern(char[] pattern) @@ -341,6 +438,7 @@ public class PHPPartitionScanner implements IPartitionTokenScanner private boolean checkPattern(char[] pattern, boolean ignoreCase) { int prevOffset = fOffset; + int prevLength = fCurrentLength; for (int i = 0; i < pattern.length; i++) { int c = read(); @@ -349,6 +447,7 @@ public class PHPPartitionScanner implements IPartitionTokenScanner || !letterEquals(c, pattern[i], ignoreCase)) { fOffset = prevOffset; + fCurrentLength = prevLength; return false; } } @@ -373,5 +472,22 @@ public class PHPPartitionScanner implements IPartitionTokenScanner return false; } + + /** + * Checks wether the offset is in a String and the specified + * contenttype is the current content type. + * Strings are delimited, mutual exclusive, by a " or by a '. + * + * @param contentType The contenttype to check. + * @return true if the current offset is in a string else + * returns false. + */ + private boolean isInString(String contentType) + { + if(fContentType == contentType) + return (fInString || fInDoubString); + else + return false; + } }