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 52f8def..eb31667 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 @@ -6,11 +6,10 @@ * Created on 05.03.2003 * * @author Stefan Langer (musk) - * @version $Revision: 1.19 $ + * @version $Revision: 1.20 $ */ package net.sourceforge.phpeclipse.phpeditor.php; - import java.util.ArrayList; import java.util.HashMap; import java.util.Map; @@ -27,509 +26,470 @@ import org.eclipse.jface.text.rules.Token; /** * */ -public class PHPPartitionScanner implements IPartitionTokenScanner -{ - private static final boolean DEBUG = false; - private boolean fInString = false; - private boolean fInDoubString = false; - private IDocument fDocument = null; - private int fOffset = -1; - private String fContentType = IPHPPartitionScannerConstants.HTML; - 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() - { - 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)); - } +public class PHPPartitionScanner implements IPartitionTokenScanner { + private static final boolean DEBUG = false; - private IToken getToken(String type) - { - 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) - { // should never happen - // TODO Write stacktrace to log - 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) - { - System.out.println( - "Partition: fTokenOffset=" - + fTokenOffset - + " fContentType=" - + type - + " fLength=" - + fLength); - } - return token; - } + private boolean fInString = false; + private boolean fInDoubString = false; + private IDocument fDocument = null; + private int fOffset = -1; + private String fContentType = IPHPPartitionScannerConstants.HTML; + private String fPrevContentType = IPHPPartitionScannerConstants.HTML; + private boolean partitionBorder = false; + private int fTokenOffset; + private int fEnd = -1; + private int fLength; + private int fCurrentLength; + private int fFileType; + private Map tokens = new HashMap(); - /* (non-Javadoc) - * @see org.eclipse.jface.text.rules.IPartitionTokenScanner#setPartialRange(org.eclipse.jface.text.IDocument, int, int, java.lang.String, int) - */ - public void setPartialRange( - IDocument document, - int offset, - int length, - String contentType, - int partitionOffset) - { - if (DEBUG) - { - System.out.println( - "PartialRange: contentType=" - + contentType - + " partitionOffset=" - + partitionOffset); - } + public PHPPartitionScanner(int fileType) { + 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)); - try - { - 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); - } - else - this.setRange(document, offset, length); + this.tokens.put(IPHPPartitionScannerConstants.SMARTY, new Token(IPHPPartitionScannerConstants.SMARTY)); + this.tokens.put( + IPHPPartitionScannerConstants.SMARTY_MULTILINE_COMMENT, + new Token(IPHPPartitionScannerConstants.SMARTY_MULTILINE_COMMENT)); - } - 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()); - } + this.tokens.put(IDocument.DEFAULT_CONTENT_TYPE, new Token(IDocument.DEFAULT_CONTENT_TYPE)); + fFileType = fileType; + } + private IToken getToken(String type) { + 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) { // should never happen + // TODO Write stacktrace to log + 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) { + System.out.println("Partition: fTokenOffset=" + fTokenOffset + " fContentType=" + type + " fLength=" + fLength); + } + return token; + } - /* (non-Javadoc) - * @see org.eclipse.jface.text.rules.ITokenScanner#getTokenLength() - */ - public int getTokenLength() - { - return fLength; + /* (non-Javadoc) + * @see org.eclipse.jface.text.rules.IPartitionTokenScanner#setPartialRange(org.eclipse.jface.text.IDocument, int, int, java.lang.String, int) + */ + public void setPartialRange(IDocument document, int offset, int length, String contentType, int partitionOffset) { + if (DEBUG) { + System.out.println("*****"); + System.out.println("PartialRange: contentType=" + contentType + " partitionOffset=" + partitionOffset); } - /* (non-Javadoc) - * @see org.eclipse.jface.text.rules.ITokenScanner#getTokenOffset() - */ - public int getTokenOffset() - { - return fTokenOffset; + try { + 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); + } 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) - * @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) - { - partitionBorder = false; - return Token.EOF; - } - else - unread(); + } - if (partitionBorder) - { - fTokenOffset = fOffset; - partitionBorder = false; - } + /* (non-Javadoc) + * @see org.eclipse.jface.text.rules.ITokenScanner#getTokenLength() + */ + public int getTokenLength() { + return fLength; + } - while ((c = read()) != ICharacterScanner.EOF) - { - switch (c) - { - case '<' : - if (!isInString(IPHPPartitionScannerConstants.PHP) - && fContentType - != IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT - && checkPattern(new char[] { '?', 'p', 'h', 'p' }, true)) - { - if (fContentType != IPHPPartitionScannerConstants.PHP - && fCurrentLength > 5) - { - unread(5); - IToken token = getToken(fContentType); - // save previouse contenttype - //TODO build stack for previouse contenttype - fPrevContentType = fContentType; - - fContentType = IPHPPartitionScannerConstants.PHP; - - return token; - } - else - fContentType = IPHPPartitionScannerConstants.PHP; - - // remember offset of this partition - fTokenOffset = fOffset - 5; - fCurrentLength = 5; - } - else if ( - !isInString(IPHPPartitionScannerConstants.PHP) - && fContentType - != IPHPPartitionScannerConstants - .PHP_MULTILINE_COMMENT - && checkPattern(new char[] { '?' }, false)) - { - 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 - && fCurrentLength > 4) - { - unread(4); - IToken token = getToken(fContentType); - fContentType = - IPHPPartitionScannerConstants - .HTML_MULTILINE_COMMENT; - return token; - } - else - fContentType = - IPHPPartitionScannerConstants - .HTML_MULTILINE_COMMENT; - - fTokenOffset = fOffset - 4; - fCurrentLength = 4; - } - break; - case '?' : - if (!isInString(IPHPPartitionScannerConstants.PHP) - && fContentType == IPHPPartitionScannerConstants.PHP) - { - if ((c = read()) == '>') - { - if (fPrevContentType != null) - fContentType = fPrevContentType; - else - fContentType = - IPHPPartitionScannerConstants.HTML; - partitionBorder = true; - return getToken(IPHPPartitionScannerConstants.PHP); - } - else if (c != ICharacterScanner.EOF) - unread(); - } - break; - case '-' : - if (!isInString(IPHPPartitionScannerConstants.PHP) - && fContentType - == IPHPPartitionScannerConstants - .HTML_MULTILINE_COMMENT - && checkPattern(new char[] { '-', '>' })) - { - fContentType = IPHPPartitionScannerConstants.HTML; - partitionBorder = true; - return getToken( - IPHPPartitionScannerConstants - .HTML_MULTILINE_COMMENT); - } - break; - case '/' : - if (!isInString(IPHPPartitionScannerConstants.PHP) && (c = read()) == '*') - { // MULTINE COMMENT JAVASCRIPT, CSS, PHP - if (fContentType == IPHPPartitionScannerConstants.PHP - && fCurrentLength > 2) - { - unread(2); - IToken token = getToken(fContentType); - fContentType = - IPHPPartitionScannerConstants - .PHP_MULTILINE_COMMENT; - return token; - } - else if ( - fContentType - == IPHPPartitionScannerConstants - .PHP_MULTILINE_COMMENT) - { - - fTokenOffset = fOffset - 2; - fCurrentLength = 2; - } - - } - else if (!isInString(IPHPPartitionScannerConstants.PHP) && c != ICharacterScanner.EOF) - unread(); - break; - case '*' : - if (!isInString(IPHPPartitionScannerConstants.PHP) && (c = read()) == '/') - { - if (fContentType - == IPHPPartitionScannerConstants - .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 (!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 - // 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) - { - if (DEBUG) - { - System.out.println( - "SET RANGE: offset=" + offset + " length=" + length); - } + /* (non-Javadoc) + * @see org.eclipse.jface.text.rules.ITokenScanner#getTokenOffset() + */ + public int getTokenOffset() { + return fTokenOffset; + } - fDocument = document; - fOffset = offset; - fTokenOffset = offset; - fCurrentLength = 0; - fLength = 0; - fEnd = fOffset + length; - fInString = false; - fInDoubString = false; - fContentType = IPHPPartitionScannerConstants.HTML; -// String[] prev = getPartitionStack(offset); + /* (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) { + partitionBorder = false; + return Token.EOF; + } else + unread(); + + if (partitionBorder) { + fTokenOffset = fOffset; + partitionBorder = false; } - private int read() - { - try - { - if (fOffset < fEnd) - { - fCurrentLength++; - return fDocument.getChar(fOffset++); + while ((c = read()) != ICharacterScanner.EOF) { + switch (c) { + case '<' : + if (!isInString(IPHPPartitionScannerConstants.PHP) + && fContentType != IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT + && checkPattern(new char[] { '?', 'p', 'h', 'p' }, true)) { + if (fContentType != IPHPPartitionScannerConstants.PHP && fCurrentLength > 5) { + unread(5); + IToken token = getToken(fContentType); + // save previouse contenttype + //TODO build stack for previouse contenttype + fPrevContentType = fContentType; + + fContentType = IPHPPartitionScannerConstants.PHP; + + return token; + } else + fContentType = IPHPPartitionScannerConstants.PHP; + + // remember offset of this partition + fTokenOffset = fOffset - 5; + fCurrentLength = 5; + } else if ( + !isInString(IPHPPartitionScannerConstants.PHP) + && fContentType != IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT + && checkPattern(new char[] { '?' }, false)) { + 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) + && (fContentType != IPHPPartitionScannerConstants.PHP) // BUG #769044 + && (fContentType != IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT) // BUG #769044 + && checkPattern(new char[] { '!', '-', '-' })) { // return previouse partition + if (fContentType != IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT && fCurrentLength > 4) { + unread(4); + IToken token = getToken(fContentType); + fContentType = IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT; + return token; + } else + fContentType = IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT; + + fTokenOffset = fOffset - 4; + fCurrentLength = 4; + } + break; + case '?' : + if (!isInString(IPHPPartitionScannerConstants.PHP) && fContentType == IPHPPartitionScannerConstants.PHP) { + if ((c = read()) == '>') { + if (fPrevContentType != null) + fContentType = fPrevContentType; + else + fContentType = IPHPPartitionScannerConstants.HTML; + partitionBorder = true; + return getToken(IPHPPartitionScannerConstants.PHP); + } else if (c != ICharacterScanner.EOF) + unread(); + } + break; + case '-' : + if (!isInString(IPHPPartitionScannerConstants.PHP) + && fContentType == IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT + && checkPattern(new char[] { '-', '>' })) { + fContentType = IPHPPartitionScannerConstants.HTML; + partitionBorder = true; + return getToken(IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT); + } + break; + case '{' : // SMARTY code starts here ? + if (fFileType == IPHPPartitionScannerConstants.SMARTY_FILE) { + if ((c = read()) == '*') { + if (DEBUG) { + System.out.println( + "SMARTYDOC_TOKEN start " + + fTokenOffset + + " fContentType=" + + fContentType + + " fLength=" + + fLength + + " fOffset=" + + fOffset + + " fCurrentLength=" + + fCurrentLength); + } + if (fContentType != IPHPPartitionScannerConstants.SMARTY_MULTILINE_COMMENT && fCurrentLength > 2) { + // SMARTY doc code starts here + unread(2); + IToken token = getToken(fContentType); + fContentType = IPHPPartitionScannerConstants.SMARTY_MULTILINE_COMMENT; + return token; + // } else if (fContentType == IPHPPartitionScannerConstants.HTML && fOffset == 2) { + // fContentType = IPHPPartitionScannerConstants.SMARTY_MULTILINE_COMMENT; + } else { // if (fContentType == IPHPPartitionScannerConstants.SMARTY_MULTILINE_COMMENT) { + fContentType = IPHPPartitionScannerConstants.SMARTY_MULTILINE_COMMENT; + fTokenOffset = fOffset - 2; + fCurrentLength = 2; + } + break; + } + if (DEBUG) { + System.out.println( + "SMARTY_TOKEN start " + + fTokenOffset + + " fContentType=" + + fContentType + + " fLength=" + + fLength + + " fOffset=" + + fOffset); + } + unread(); + if (fContentType != IPHPPartitionScannerConstants.SMARTY && fCurrentLength > 1) { + unread(1); + IToken token = getToken(fContentType); + fContentType = IPHPPartitionScannerConstants.SMARTY; + return token; + // } else if (fContentType == IPHPPartitionScannerConstants.HTML && fOffset==1) { + // fContentType = IPHPPartitionScannerConstants.SMARTY; + } else { + fContentType = IPHPPartitionScannerConstants.SMARTY; + fTokenOffset = fOffset - 1; + fCurrentLength = 1; + } + } + break; + case '}' : // SMARTY code ends here ? + if (fFileType == IPHPPartitionScannerConstants.SMARTY_FILE && fContentType == IPHPPartitionScannerConstants.SMARTY) { + if (DEBUG) { + System.out.println( + "SMARTY_TOKEN end " + + fTokenOffset + + " fContentType=" + + fContentType + + " fLength=" + + fLength + + " fOffset=" + + fOffset); + } + fContentType = IPHPPartitionScannerConstants.HTML; + partitionBorder = true; + return getToken(IPHPPartitionScannerConstants.SMARTY); + } + break; + case '/' : + if (!isInString(IPHPPartitionScannerConstants.PHP) && (c = read()) == '*') { // MULTINE COMMENT JAVASCRIPT, CSS, PHP + if (fContentType == IPHPPartitionScannerConstants.PHP && fCurrentLength > 2) { + unread(2); + IToken token = getToken(fContentType); + fContentType = IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT; + return token; + } else if (fContentType == IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT) { + fTokenOffset = fOffset - 2; + fCurrentLength = 2; + } + + } else if (!isInString(IPHPPartitionScannerConstants.PHP) && c != ICharacterScanner.EOF) + unread(); + break; + case '*' : + if (!isInString(IPHPPartitionScannerConstants.PHP) && (c = read()) == '/') { + if (fContentType == IPHPPartitionScannerConstants.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) { } - return ICharacterScanner.EOF; - } - catch (BadLocationException e) - { - // should never happen - // TODO write stacktrace to log - fOffset = fEnd; - return ICharacterScanner.EOF; - } + } else if (fFileType == IPHPPartitionScannerConstants.SMARTY_FILE && (c = read()) == '}') { + if (DEBUG) { + System.out.println( + "SMARTYDOC_TOKEN end " + + fTokenOffset + + " fContentType=" + + fContentType + + " fLength=" + + fLength + + " fOffset=" + + fOffset); + } + if (fContentType == IPHPPartitionScannerConstants.SMARTY_MULTILINE_COMMENT) { + fContentType = IPHPPartitionScannerConstants.HTML; + partitionBorder = true; + return getToken(IPHPPartitionScannerConstants.SMARTY_MULTILINE_COMMENT); + } + } 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 + // 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) { + if (DEBUG) { + System.out.println("SET RANGE: offset=" + offset + " length=" + length); } - private void unread() - { - --fOffset; - --fCurrentLength; - } - - private void unread(int num) - { - fOffset -= num; - fCurrentLength -= num; - } + fDocument = document; + fOffset = offset; + fTokenOffset = offset; + fCurrentLength = 0; + fLength = 0; + fEnd = fOffset + length; + fInString = false; + fInDoubString = false; + fContentType = IPHPPartitionScannerConstants.HTML; + // String[] prev = getPartitionStack(offset); + } - private boolean checkPattern(char[] pattern) - { - return checkPattern(pattern, false); + private int read() { + try { + if (fOffset < fEnd) { + fCurrentLength++; + return fDocument.getChar(fOffset++); + } + return ICharacterScanner.EOF; + } catch (BadLocationException e) { + // should never happen + // TODO write stacktrace to log + fOffset = fEnd; + return ICharacterScanner.EOF; } + } - /** - * 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; - int prevLength = fCurrentLength; - for (int i = 0; i < pattern.length; i++) - { - int c = read(); - - if (c == ICharacterScanner.EOF - || !letterEquals(c, pattern[i], ignoreCase)) - { - fOffset = prevOffset; - fCurrentLength = prevLength; - return false; - } - } + private void unread() { + --fOffset; + --fCurrentLength; + } - return true; - } + private void unread(int num) { + fOffset -= num; + fCurrentLength -= num; + } + + private boolean checkPattern(char[] pattern) { + return checkPattern(pattern, false); + } - 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; + /** + * 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; + int prevLength = fCurrentLength; + for (int i = 0; i < pattern.length; i++) { + int c = read(); + if (c == ICharacterScanner.EOF || !letterEquals(c, pattern[i], ignoreCase)) { + fOffset = prevOffset; + fCurrentLength = prevLength; 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; - } - - /** - * Returns the previouse partition stack for the given offset. - * - * @param offset The offset to return the previouse partitionstack for. - * - * @return The stack as a string array. - */ - private String[] getPartitionStack(int offset) - { - ArrayList types = new ArrayList(); - int tmpOffset = 0; - try - { - ITypedRegion region = fDocument.getPartition(offset); - tmpOffset = region.getOffset(); - while(tmpOffset-1 > 0) - { - region = fDocument.getPartition(tmpOffset-1); - tmpOffset = region.getOffset(); - types.add(0, region.getType()); - } - } - catch (BadLocationException e) - { - if(DEBUG) - { - e.printStackTrace(); - } - } - - String[] retVal = new String[types.size()]; - - retVal = (String[])types.toArray(retVal); - return retVal; + + 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; + } + + /** + * 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; + } + + /** + * Returns the previouse partition stack for the given offset. + * + * @param offset The offset to return the previouse partitionstack for. + * + * @return The stack as a string array. + */ + private String[] getPartitionStack(int offset) { + ArrayList types = new ArrayList(); + int tmpOffset = 0; + try { + ITypedRegion region = fDocument.getPartition(offset); + tmpOffset = region.getOffset(); + while (tmpOffset - 1 > 0) { + region = fDocument.getPartition(tmpOffset - 1); + tmpOffset = region.getOffset(); + types.add(0, region.getType()); + } + } catch (BadLocationException e) { + if (DEBUG) { + e.printStackTrace(); + } } - + + String[] retVal = new String[types.size()]; + + retVal = (String[]) types.toArray(retVal); + return retVal; + } + }