+++ /dev/null
-/**
- * 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
- * Created on 05.03.2003
- *
- * @author Stefan Langer (musk)
- * @version $Revision: 1.11 $
- */
-package net.sourceforge.phpeclipse.phpeditor.php;
-
-import java.util.*;
-
-import org.eclipse.jface.text.*;
-import org.eclipse.jface.text.rules.*;
-
-/**
- *
- */
-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 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));
- 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!");
- 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)
- */
- public void setPartialRange(
- IDocument document,
- int offset,
- int length,
- String contentType,
- int partitionOffset)
- {
- this.setRange(document, offset, length);
- if (DEBUG)
- {
- System.out.println(
- "PartialRange: contentType="
- + contentType
- + " partitionOffset="
- + partitionOffset);
- }
-
- if (this.tokens.containsKey(contentType))
- fContentType = contentType;
- // TODO Calculate previouse contenttype
- if (partitionOffset > -1)
- {
- partitionBorder = false;
- fTokenOffset = partitionOffset;
- }
- }
-
- /* (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)
- {
- partitionBorder = false;
- return Token.EOF;
- }
- else
- unread();
-
- if (partitionBorder)
- {
- fTokenOffset = fOffset;
- partitionBorder = false;
- }
-
- while ((c = read()) != ICharacterScanner.EOF)
- {
- switch (c)
- {
- 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;
-
- fContentType = IPHPPartitionScannerConstants.PHP;
-
- return token;
- }
- else
- fContentType = IPHPPartitionScannerConstants.PHP;
-
- // remember offset of this partition
- fTokenOffset = fOffset - 5;
- }
- else if (checkPattern(new char[] { '!', '-', '-' }))
- {
- // return previouse partition
- if (fContentType
- != IPHPPartitionScannerConstants
- .HTML_MULTILINE_COMMENT
- && fOffset - 4 > 0)
- {
- 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()) == '>')
- { // 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;
- 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
- == 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 (c != ICharacterScanner.EOF)
- unread();
- 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);
- }
-
- fDocument = document;
- fOffset = offset;
- fTokenOffset = offset;
- fLength = 0;
- fEnd = fOffset + length;
- //partitionBorder = false;
- }
-
- 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 void unread()
- {
- --fOffset;
- }
-
- private boolean checkPattern(char[] pattern)
- {
- return checkPattern(pattern, 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 <code>true</code> if pattern is equals else returns <code>false</code>.
- */
- 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;
- }
-
-}
git://secure.phpeclipse.com / phpeclipse.git / blobdiff