/*
* HTMLTokenMarker.java - HTML token marker
* Copyright (C) 1998, 1999 Slava Pestov
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
package textarea.syntax;
import javax.swing.text.Segment;
/**
* HTML token marker.
*
* @author Slava Pestov
* @version $Id$
*/
public class HTMLTokenMarker extends TokenMarker
{
public static final byte JAVASCRIPT = Token.INTERNAL_FIRST;
public HTMLTokenMarker(boolean js)
{
this.js = js;
keywords = JavaScriptTokenMarker.getKeywords();
}
public byte markTokensImpl(byte token, Segment line, int lineIndex)
{
char[] array = line.array;
int offset = line.offset;
lastOffset = offset;
lastKeyword = offset;
int length = line.count + offset;
boolean backslash = false;
loop: for(int i = offset; i < length; i++)
{
int i1 = (i+1);
char c = array[i];
if(c == '\\')
{
backslash = !backslash;
continue;
}
switch(token)
{
case Token.NULL: // HTML text
backslash = false;
switch(c)
{
case '<':
addToken(i - lastOffset,token);
lastOffset = lastKeyword = i;
if(SyntaxUtilities.regionMatches(false,
line,i1,"!--"))
{
i += 3;
token = Token.COMMENT1;
}
else if(js && SyntaxUtilities.regionMatches(
true,line,i1,"script>"))
{
addToken(8,Token.KEYWORD1);
lastOffset = lastKeyword = (i += 8);
token = JAVASCRIPT;
}
else
{
token = Token.KEYWORD1;
}
break;
case '&':
addToken(i - lastOffset,token);
lastOffset = lastKeyword = i;
token = Token.KEYWORD2;
break;
}
break;
case Token.KEYWORD1: // Inside a tag
backslash = false;
if(c == '>')
{
addToken(i1 - lastOffset,token);
lastOffset = lastKeyword = i1;
token = Token.NULL;
}
break;
case Token.KEYWORD2: // Inside an entity
backslash = false;
if(c == ';')
{
addToken(i1 - lastOffset,token);
lastOffset = lastKeyword = i1;
token = Token.NULL;
break;
}
break;
case Token.COMMENT1: // Inside a comment
backslash = false;
if(SyntaxUtilities.regionMatches(false,line,i,"-->"))
{
addToken((i += 3) - lastOffset,token);
lastOffset = lastKeyword = i;
token = Token.NULL;
}
break;
case JAVASCRIPT: // Inside a JavaScript
switch(c)
{
case '<':
backslash = false;
doKeyword(line,i,c);
if(SyntaxUtilities.regionMatches(true,
line,i1,"/script>"))
{
addToken(i - lastOffset,
Token.NULL);
addToken(9,Token.KEYWORD1);
lastOffset = lastKeyword = (i += 9);
token = Token.NULL;
}
break;
case '"':
if(backslash)
backslash = false;
else
{
doKeyword(line,i,c);
addToken(i - lastOffset,Token.NULL);
lastOffset = lastKeyword = i;
token = Token.LITERAL1;
}
break;
case '\'':
if(backslash)
backslash = false;
else
{
doKeyword(line,i,c);
addToken(i - lastOffset,Token.NULL);
lastOffset = lastKeyword = i;
token = Token.LITERAL2;
}
break;
case '/':
backslash = false;
doKeyword(line,i,c);
if(length - i > 1)
{
addToken(i - lastOffset,Token.NULL);
lastOffset = lastKeyword = i;
if(array[i1] == '/')
{
addToken(length - i,Token.COMMENT2);
lastOffset = lastKeyword = length;
break loop;
}
else if(array[i1] == '*')
{
token = Token.COMMENT2;
}
}
break;
default: backslash = false;
if(!Character.isLetterOrDigit(c)
&& c != '_')
doKeyword(line,i,c);
break;
}
break;
case Token.LITERAL1: // JavaScript "..."
if(backslash)
backslash = false;
else if(c == '"')
{
addToken(i1 - lastOffset,Token.LITERAL1);
lastOffset = lastKeyword = i1;
token = JAVASCRIPT;
}
break;
case Token.LITERAL2: // JavaScript '...'
if(backslash)
backslash = false;
else if(c == '\'')
{
addToken(i1 - lastOffset,Token.LITERAL1);
lastOffset = lastKeyword = i1;
token = JAVASCRIPT;
}
break;
case Token.COMMENT2: // Inside a JavaScript comment
backslash = false;
if(c == '*' && length - i > 1 && array[i1] == '/')
{
addToken((i+=2) - lastOffset,Token.COMMENT2);
lastOffset = lastKeyword = i;
token = JAVASCRIPT;
}
break;
default:
throw new InternalError("Invalid state: "
+ token);
}
}
switch(token)
{
case Token.LITERAL1:
case Token.LITERAL2:
addToken(length - lastOffset,Token.INVALID);
token = JAVASCRIPT;
break;
case Token.KEYWORD2:
addToken(length - lastOffset,Token.INVALID);
token = Token.NULL;
break;
case JAVASCRIPT:
doKeyword(line,length,'\0');
addToken(length - lastOffset,Token.NULL);
break;
default:
addToken(length - lastOffset,token);
break;
}
return token;
}
// private members
private KeywordMap keywords;
private boolean js;
private int lastOffset;
private int lastKeyword;
private boolean doKeyword(Segment line, int i, char c)
{
int i1 = i+1;
int len = i - lastKeyword;
byte id = keywords.lookup(line,lastKeyword,len);
if(id != Token.NULL)
{
if(lastKeyword != lastOffset)
addToken(lastKeyword - lastOffset,Token.NULL);
addToken(len,id);
lastOffset = i;
}
lastKeyword = i1;
return false;
}
}
/*
* ChangeLog:
* $Log$
* Revision 1.1 2001/09/07 02:47:43 davidmartinez
* Initial revision
*
* Revision 1.1.1.1 1999/10/20 00:09:22 david
* Initial Import
*
* Revision 1.2 1999/10/20 00:09:22 david
* Ran Dos2Unix on all the .java files within the textarea package.
*
* Revision 1.1.1.1 1999/10/18 15:00:23 david
* Initial Check-in
*
* Revision 1.30 1999/09/30 12:21:05 sp
* No net access for a month... so here's one big jEdit 2.1pre1
*
* Revision 1.29 1999/07/16 23:45:49 sp
* 1.7pre6 BugFree version
*
* Revision 1.28 1999/06/05 00:22:58 sp
* LGPL'd syntax package
*
* Revision 1.27 1999/06/03 08:24:13 sp
* Fixing broken CVS
*
* Revision 1.28 1999/05/31 08:11:10 sp
* Syntax coloring updates, expand abbrev bug fix
*
* Revision 1.27 1999/05/31 04:38:51 sp
* Syntax optimizations, HyperSearch for Selection added (Mike Dillon)
*
* Revision 1.26 1999/05/14 04:56:15 sp
* Docs updated, default: fix in C/C++/Java mode, full path in title bar toggle
*
* Revision 1.25 1999/05/11 09:05:10 sp
* New version1.6.html file, some other stuff perhaps
*
* Revision 1.24 1999/05/03 04:28:01 sp
* Syntax colorizing bug fixing, console bug fix for Swing 1.1.1
*
* Revision 1.23 1999/04/22 06:03:26 sp
* Syntax colorizing change
*
* Revision 1.22 1999/04/19 05:38:20 sp
* Syntax API changes
*
* Revision 1.21 1999/03/13 08:50:39 sp
* Syntax colorizing updates and cleanups, general code reorganizations
*
* Revision 1.20 1999/03/12 23:51:00 sp
* Console updates, uncomment removed cos it's too buggy, cvs log tags added
*
*/