svn-gvsig-desktop / trunk / libraries / libIverUtiles / src / com / iver / utiles / console / jedit / PHPTokenMarker.java @ 4890
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package com.iver.utiles.console.jedit; |
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/*
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* PHPTokenMarker.java - Token marker for PHP
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* Copyright (C) 1999 Clancy Malcolm
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* Based on HTMLTokenMarker.java Copyright (C) 1998, 1999 Slava Pestov
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*
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* You may use and modify this package for any purpose. Redistribution is
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* permitted, in both source and binary form, provided that this notice
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* remains intact in all source distributions of this package.
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*/
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import javax.swing.text.Segment; |
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/**
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* PHP token marker.
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*
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* @author Clancy Malcolm
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* @version $Id$
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*/
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public class PHPTokenMarker extends TokenMarker |
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{
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public static final byte SCRIPT = Token.INTERNAL_FIRST; |
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public byte markTokensImpl(byte token, Segment line, int lineIndex) |
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{
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char[] array = line.array; |
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int offset = line.offset;
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lastOffset = offset; |
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lastKeyword = offset; |
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int length = line.count + offset;
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boolean backslash = false; |
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loop: for(int i = offset; i < length; i++) |
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{
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int i1 = (i+1); |
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char c = array[i];
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if(c == '\\') |
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{
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backslash = !backslash; |
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continue;
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} |
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switch(token)
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{
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case Token.NULL: // HTML text |
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backslash = false;
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switch(c)
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{
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case '<': |
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addToken(i - lastOffset,token); |
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lastOffset = lastKeyword = i; |
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if(SyntaxUtilities.regionMatches(false, |
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line,i1,"!--"))
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{
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i += 3;
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token = Token.COMMENT1; |
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} |
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else if(SyntaxUtilities.regionMatches( |
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true,line,i1,"?php")) |
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{
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addToken(5,Token.LABEL);
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lastOffset = lastKeyword = (i += 4) + 1; |
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token = SCRIPT; |
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} |
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else if(SyntaxUtilities.regionMatches( |
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true,line,i1,"?")) |
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{
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addToken(2,Token.LABEL);
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lastOffset = lastKeyword = (i += 1) + 1; |
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token = SCRIPT; |
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} |
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else if(SyntaxUtilities.regionMatches( |
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true,line,i1,"script>")) |
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{
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addToken(8,Token.LABEL);
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lastOffset = lastKeyword = (i += 7) + 1; |
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token = SCRIPT; |
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} |
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else
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{
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token = Token.KEYWORD1; |
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} |
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break;
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case '&': |
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addToken(i - lastOffset,token); |
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lastOffset = lastKeyword = i; |
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token = Token.KEYWORD2; |
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break;
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} |
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break;
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case Token.KEYWORD1: // Inside a tag |
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backslash = false;
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if(c == '>') |
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{
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addToken(i1 - lastOffset,token); |
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lastOffset = lastKeyword = i1; |
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token = Token.NULL; |
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} |
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break;
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case Token.KEYWORD2: // Inside an entity |
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backslash = false;
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if(c == ';') |
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{
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addToken(i1 - lastOffset,token); |
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lastOffset = lastKeyword = i1; |
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token = Token.NULL; |
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break;
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} |
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break;
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case Token.COMMENT1: // Inside a comment |
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backslash = false;
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if(SyntaxUtilities.regionMatches(false,line,i,"-->")) |
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{
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addToken(i + 3 - lastOffset,token);
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i += 2;
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lastOffset = lastKeyword = i + 1;
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token = Token.NULL; |
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} |
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break;
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case SCRIPT: // Inside a JavaScript or PHP |
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switch(c)
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{
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case '<': |
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backslash = false;
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doKeyword(line,i,c); |
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if(SyntaxUtilities.regionMatches(true, |
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line,i1,"/script>"))
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{
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//Ending the script
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addToken(i - lastOffset, |
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Token.KEYWORD3); |
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addToken(9,Token.LABEL);
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lastOffset = lastKeyword = (i += 8) + 1; |
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token = Token.NULL; |
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} |
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else
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{
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// < operator
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addToken(i - lastOffset, |
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Token.KEYWORD3); |
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addToken(1,Token.OPERATOR);
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lastOffset = lastKeyword = i1; |
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} |
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break;
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case '?': |
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backslash = false;
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doKeyword(line, i, c); |
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if (array[i1] == '>') |
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{
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//Ending the script
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addToken(i - lastOffset, |
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Token.KEYWORD3); |
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addToken(2,Token.LABEL);
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lastOffset = lastKeyword = (i += 1) + 1; |
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token = Token.NULL; |
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} |
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else
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{
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//? operator
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addToken(i - lastOffset, Token.KEYWORD3); |
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addToken(1,Token.OPERATOR);
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lastOffset = lastKeyword = i1; |
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} |
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break;
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case '"': |
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if(backslash)
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backslash = false;
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else
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{
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doKeyword(line,i,c); |
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addToken(i - lastOffset,Token.KEYWORD3); |
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lastOffset = lastKeyword = i; |
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token = Token.LITERAL1; |
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} |
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break;
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case '\'': |
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if(backslash)
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backslash = false;
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else
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{
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doKeyword(line,i,c); |
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addToken(i - lastOffset,Token.KEYWORD3); |
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lastOffset = lastKeyword = i; |
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token = Token.LITERAL2; |
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} |
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break;
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case '#': |
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doKeyword(line,i,c); |
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addToken(i - lastOffset,Token.KEYWORD3); |
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addToken(length - i,Token.COMMENT2); |
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lastOffset = lastKeyword = length; |
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break loop;
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case '/': |
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backslash = false;
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doKeyword(line,i,c); |
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if(length - i > 1) /*This is the same as if(length > i + 1) */ |
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{
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addToken(i - lastOffset,Token.KEYWORD3); |
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lastOffset = lastKeyword = i; |
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if(array[i1] == '/') |
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{
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addToken(length - i,Token.COMMENT2); |
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lastOffset = lastKeyword = length; |
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break loop;
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} |
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else if(array[i1] == '*') |
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{
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token = Token.COMMENT2; |
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} |
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else
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{
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// / operator
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addToken(i - lastOffset, Token.KEYWORD3); |
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addToken(1,Token.OPERATOR);
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lastOffset = lastKeyword = i1; |
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} |
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} |
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else
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{
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// / operator
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addToken(i - lastOffset, Token.KEYWORD3); |
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addToken(1,Token.OPERATOR);
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lastOffset = lastKeyword = i1; |
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} |
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break;
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default:
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backslash = false;
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if(!Character.isLetterOrDigit(c) |
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&& c != '_' && c != '$') |
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{
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doKeyword(line,i,c); |
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if (c != ' ') |
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{
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//assume non alphanumeric characters are operators
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addToken(i - lastOffset, Token.KEYWORD3); |
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addToken(1,Token.OPERATOR);
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lastOffset = lastKeyword = i1; |
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} |
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} |
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break;
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} |
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break;
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case Token.LITERAL1: // Script "..." |
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if(backslash)
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backslash = false;
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else if(c == '"') |
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{
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addToken(i1 - lastOffset,Token.LITERAL1); |
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lastOffset = lastKeyword = i1; |
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token = SCRIPT; |
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} |
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break;
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case Token.LITERAL2: // Script '...' |
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if(backslash)
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backslash = false;
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else if(c == '\'') |
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{
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addToken(i1 - lastOffset,Token.LITERAL1); |
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lastOffset = lastKeyword = i1; |
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token = SCRIPT; |
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} |
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break;
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case Token.COMMENT2: // Inside a Script comment |
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backslash = false;
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if(c == '*' && length - i > 1 && array[i1] == '/') |
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{
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addToken(i + 2 - lastOffset,Token.COMMENT2);
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i += 1;
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lastOffset = lastKeyword = i + 1;
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token = SCRIPT; |
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} |
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break;
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default:
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throw new InternalError("Invalid state: " |
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+ token); |
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} |
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} |
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switch(token)
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{
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case Token.LITERAL1:
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addToken(length - lastOffset,Token.LITERAL1); |
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break;
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case Token.LITERAL2:
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addToken(length - lastOffset,Token.LITERAL2); |
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break;
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case Token.KEYWORD2:
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addToken(length - lastOffset,Token.INVALID); |
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token = Token.NULL; |
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break;
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case SCRIPT:
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doKeyword(line,length,'\0');
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addToken(length - lastOffset,Token.KEYWORD3); |
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break;
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default:
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addToken(length - lastOffset,token); |
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break;
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} |
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return token;
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} |
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// private members
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private static KeywordMap keywords; |
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private int lastOffset; |
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private int lastKeyword; |
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static
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{
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keywords = new KeywordMap(false); |
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keywords.add("function",Token.KEYWORD2);
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keywords.add("class",Token.KEYWORD2);
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keywords.add("var",Token.KEYWORD2);
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keywords.add("require",Token.KEYWORD2);
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keywords.add("include",Token.KEYWORD2);
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keywords.add("else",Token.KEYWORD1);
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keywords.add("elseif",Token.KEYWORD1);
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keywords.add("do",Token.KEYWORD1);
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keywords.add("for",Token.KEYWORD1);
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keywords.add("if",Token.KEYWORD1);
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keywords.add("endif",Token.KEYWORD1);
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keywords.add("in",Token.KEYWORD1);
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keywords.add("new",Token.KEYWORD1);
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keywords.add("return",Token.KEYWORD1);
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keywords.add("while",Token.KEYWORD1);
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keywords.add("endwhile",Token.KEYWORD1);
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keywords.add("with",Token.KEYWORD1);
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keywords.add("break",Token.KEYWORD1);
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keywords.add("switch",Token.KEYWORD1);
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keywords.add("case",Token.KEYWORD1);
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keywords.add("continue",Token.KEYWORD1);
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keywords.add("default",Token.KEYWORD1);
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keywords.add("echo",Token.KEYWORD1);
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keywords.add("false",Token.KEYWORD1);
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keywords.add("this",Token.KEYWORD1);
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keywords.add("true",Token.KEYWORD1);
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keywords.add("array",Token.KEYWORD1);
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keywords.add("extends",Token.KEYWORD1);
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} |
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private boolean doKeyword(Segment line, int i, char c) |
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{
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int i1 = i+1; |
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int len = i - lastKeyword;
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byte id = keywords.lookup(line,lastKeyword,len);
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if(id != Token.NULL)
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{
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if(lastKeyword != lastOffset)
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addToken(lastKeyword - lastOffset,Token.KEYWORD3); |
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addToken(len,id); |
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lastOffset = i; |
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} |
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lastKeyword = i1; |
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return false; |
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} |
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} |