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 new file mode 100644 index 0000000..55d8783 --- /dev/null +++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/php/PHPPartitionScanner.java @@ -0,0 +1,467 @@ +/********************************************************************** + Copyright (c) 2002 Widespace, OU and others. + All rights reserved. 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://solareclipse.sourceforge.net/legal/cpl-v10.html + + Contributors: + Igor Malinin - initial contribution + + $Id: PHPPartitionScanner.java,v 1.35 2007-03-17 14:07:31 axelcl Exp $ + **********************************************************************/ +package net.sourceforge.phpeclipse.phpeditor.php; + +import java.util.HashMap; +import java.util.Map; + +import net.sourceforge.phpdt.internal.compiler.parser.Scanner; +import net.sourceforge.phpeclipse.ui.text.rules.AbstractPartitioner; + +//incastrix +//import org.eclipse.jface.text.Assert; +import org.eclipse.core.runtime.Assert; +import org.eclipse.jface.text.BadLocationException; +import org.eclipse.jface.text.IDocument; +import org.eclipse.jface.text.rules.ICharacterScanner; +import org.eclipse.jface.text.rules.IPartitionTokenScanner; +import org.eclipse.jface.text.rules.IToken; +import org.eclipse.jface.text.rules.Token; + +/** + * + * + * @author Igor Malinin + */ +public class PHPPartitionScanner implements IPartitionTokenScanner { + public static final String PHP_SCRIPTING_AREA = "__php_scripting_area "; + + public static final int STATE_DEFAULT = 0; + + // public static final int STATE_TAG = 1; + // public static final int STATE_SCRIPT = 2; + + private IDocument document; + + // private int begin; + + private int end; + + private int offset; + + private int length; + + private int position; + + // private int state; + + private Map tokens = new HashMap(); + + public PHPPartitionScanner() { + } + + /* + * @see org.eclipse.jface.text.rules.ITokenScanner#nextToken() + */ + public IToken nextToken() { + offset += length; + + /* + * switch (state) { case STATE_TAG: return nextTagToken(); } + */ + + switch (read()) { + case ICharacterScanner.EOF: + // state = STATE_DEFAULT; + return getToken(null); + + case '<': + switch (read()) { + case ICharacterScanner.EOF: + // state = STATE_DEFAULT; + return getToken(null); + + case '?': // ': + // state = STATE_DEFAULT; + return getToken(token); + + case '?': + continue; + default: + continue; + } + } + + ch = read(); + } + } + + private IToken getToken(String type) { + length = position - offset; + + if (length == 0) { + return Token.EOF; + } + + // if (length<0) { + // try { + // System.out.println("Length<0:"+document.get(offset,5)+""+length); + // } catch (BadLocationException e) { + // e.printStackTrace(); + // } + // } + + if (type == null) { + return Token.UNDEFINED; + } + + IToken token = (IToken) tokens.get(type); + if (token == null) { + token = new Token(type); + tokens.put(type, token); + } + + return token; + } + + private int read() { + if (position >= end) { + return ICharacterScanner.EOF; + } + + try { + return document.getChar(position++); + } catch (BadLocationException e) { + --position; + return ICharacterScanner.EOF; + } + } + + private boolean readUntilEscapedDQ() { + // search last double quoted character + try { + char ch; + while (true) { + if (position >= end) { + return false; + } + ch = document.getChar(position++); + if (ch == '\\') { + if (position >= end) { + return false; + } + ch = document.getChar(position++); // ignore escaped + // character + } else if (ch == '"') { + return true; + } + } + } catch (BadLocationException e) { + --position; + } + return false; + } + + private boolean readUntilEscapedSQ() { + // search last single quoted character + try { + char ch; + while (true) { + if (position >= end) { + return false; + } + ch = document.getChar(position++); + if (ch == '\\') { + if (position >= end) { + return false; + } + ch = document.getChar(position++); // ignore escaped + // character + } else if (ch == '\'') { + return true; + } + } + } catch (BadLocationException e) { + --position; + } + return false; + } + + private boolean readUntilEscapedHEREDOC() { + // search until heredoc ends + try { + char ch; + StringBuffer buf = new StringBuffer(); + char[] heredocIdent; + if (position >= end) { + return false; + } + ch = document.getChar(position++); + // #1493165 start + while (ch == ' ') { + if (position >= end) { + return false; + } + ch = document.getChar(position++); + } + // #1493165 end + if (!Scanner.isPHPIdentifierStart(ch)) { + return false; + } + while (Scanner.isPHPIdentifierPart(ch)) { + buf.append(ch); + if (position >= end) { + return false; + } + ch = document.getChar(position++); + } + heredocIdent = buf.toString().toCharArray(); + while (true) { + if (position >= end) { + return false; + } + ch = document.getChar(position++); + if (ch == '\n') { // heredoc could end after a newline + int pos = 0; + while (true) { + if (position >= end) { + return false; + } + if (pos == heredocIdent.length) { + return true; + } + ch = document.getChar(position++); // ignore escaped + // character + if (ch != heredocIdent[pos]) { + break; + } + pos++; + } + } + } + } catch (BadLocationException e) { + --position; + } + return false; + } + + private boolean readSingleLine() { + try { + do { + if (position >= end) { + return false; + } + } while (document.getChar(position++) != '\n'); + return true; + } catch (BadLocationException e) { + --position; + } + return false; + } + + private boolean readMultiLineComment() { + try { + char ch; + while (true) { + if (position >= end) { + return false; + } + ch = document.getChar(position++); + if (ch == '*') { + if (position >= end) { + return false; + } + if (document.getChar(position) == '/') { + position++; + return true; + } + } + } + } catch (BadLocationException e) { + --position; + } + return false; + } + + private void unread() { + --position; + } + + /* + * @see org.eclipse.jface.text.rules.ITokenScanner#getTokenOffset() + */ + public int getTokenOffset() { + if (AbstractPartitioner.DEBUG) { + Assert.isTrue(offset >= 0, Integer.toString(offset)); + } + return offset; + } + + /* + * @see org.eclipse.jface.text.rules.ITokenScanner#getTokenLength() + */ + public int getTokenLength() { + return length; + } + + /* + * @see org.eclipse.jface.text.rules.ITokenScanner#setRange(IDocument, int, + * int) + */ + public void setRange(IDocument document, int offset, int length) { + this.document = document; + // this.begin = offset; + this.end = offset + length; + + this.offset = offset; + this.position = offset; + this.length = 0; + } + + /* + * @see org.eclipse.jface.text.rules.IPartitionTokenScanner + */ + public void setPartialRange(IDocument document, int offset, int length, + String contentType, int partitionOffset) { + // state = STATE_DEFAULT; + if (partitionOffset > -1) { + int delta = offset - partitionOffset; + if (delta > 0) { + setRange(document, partitionOffset, length + delta); + return; + } + } + setRange(document, partitionOffset, length); + } + + // private boolean isContinuationPartition(IDocument document, int offset) { + // try { + // String type = document.getContentType(offset - 1); + // + // if (type != IDocument.DEFAULT_CONTENT_TYPE) { + // return true; + // } + // } catch (BadLocationException e) {} + // + // return false; + // } +} \ No newline at end of file