/* * BatchFileTokenMarker.java - Batch file token marker * Copyright (C) 1998, 1999 Slava Pestov * * You may use and modify this package for any purpose. Redistribution is * permitted, in both source and binary form, provided that this notice * remains intact in all source distributions of this package. */package org.syntax.jedit.tokenmarker;import org.syntax.jedit.*;import javax.swing.text.Segment;/** * Batch file token marker. * * @author Slava Pestov * @version $Id: BatchFileTokenMarker.java,v 1.20 1999/12/13 03:40:29 sp Exp $ */public class BatchFileTokenMarker extends TokenMarker{	public byte markTokensImpl(byte token, Segment line, int lineIndex)	{		char[] array = line.array;		int offset = line.offset;		int lastOffset = offset;		int length = line.count + offset;		if(SyntaxUtilities.regionMatches(true,line,offset,"rem"))		{			addToken(line.count,Token.COMMENT1);			return Token.NULL;		}loop:		for(int i = offset; i < length; i++)		{			int i1 = (i+1);			switch(token)			{			case Token.NULL:				switch(array[i])				{				case '%':					addToken(i - lastOffset,token);					lastOffset = i;					if(length - i <= 3 || array[i+2] == ' ')					{						addToken(2,Token.KEYWORD2);						i += 2;						lastOffset = i;					}					else						token = Token.KEYWORD2;					break;				case '"':					addToken(i - lastOffset,token);					token = Token.LITERAL1;					lastOffset = i;					break;				case ':':					if(i == offset)					{						addToken(line.count,Token.LABEL);						lastOffset = length;						break loop;					}					break;				case ' ':					if(lastOffset == offset)					{						addToken(i - lastOffset,Token.KEYWORD1);						lastOffset = i;					}					break;				}				break;			case Token.KEYWORD2:				if(array[i] == '%')				{					addToken(i1 - lastOffset,token);					token = Token.NULL;					lastOffset = i1;				}				break;			case Token.LITERAL1:				if(array[i] == '"')				{					addToken(i1 - lastOffset,token);					token = Token.NULL;					lastOffset = i1;				}				break;			default:				throw new InternalError("Invalid state: " + token);			}		}		if(lastOffset != length)		{			if(token != Token.NULL)				token = Token.INVALID;			else if(lastOffset == offset)				token = Token.KEYWORD1;			addToken(length - lastOffset,token);		}		return Token.NULL;	}	public boolean supportsMultilineTokens()	{		return false;	}}