/*
* (c) Copyright 2010-2011 AgileBirds
*
* This file is part of OpenFlexo.
*
* OpenFlexo is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* OpenFlexo 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
*
*/
package org.openflexo.jedit;
/*
* HTMLTokenMarker.java - HTML 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.
*/
import javax.swing.text.Segment;
/**
* HTML token marker.
*
* @author Slava Pestov
* @version $Id: HTMLTokenMarker.java,v 1.2 2011/09/12 11:47:09 gpolet Exp $
*/
public class HTMLTokenMarker extends TokenMarker {
public static final byte JAVASCRIPT = Token.INTERNAL_FIRST;
public HTMLTokenMarker() {
this(true);
}
public HTMLTokenMarker(boolean js) {
this.js = js;
keywords = JavaScriptTokenMarker.getKeywords();
}
@Override
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")) {
int size = 7;
for (int i2 = i1 + 6; i2 < line.array.length && line.array[i2] != '>'; i2++) {
size++;
}
addToken(size + 1, Token.KEYWORD3);
lastOffset = lastKeyword = i += size;
token = JAVASCRIPT;
} else if (SyntaxUtilities.regionMatches(true, line, i1, "WEBOBJECT")) {
i += 9;
token = Token.WEBOBJECT;
} else if (SyntaxUtilities.regionMatches(true, line, i1, "/WEBOBJECT")) {
i += 10;
token = Token.WEBOBJECT;
} else if (SyntaxUtilities.regionMatches(true, line, i1, "TABLE")) {
i += 5;
token = Token.TABLE;
} else if (SyntaxUtilities.regionMatches(true, line, i1, "/TABLE")) {
i += 6;
token = Token.TABLE;
} else if (SyntaxUtilities.regionMatches(true, line, i1, "TR")) {
i += 2;
token = Token.TR;
} else if (SyntaxUtilities.regionMatches(true, line, i1, "/TR")) {
i += 3;
token = Token.TR;
} else if (SyntaxUtilities.regionMatches(true, line, i1, "TD")) {
i += 2;
token = Token.TD;
} else if (SyntaxUtilities.regionMatches(true, line, i1, "/TD")) {
i += 3;
token = Token.TD;
} else {
token = Token.KEYWORD3;
}
break;
case '&':
addToken(i - lastOffset, token);
lastOffset = lastKeyword = i;
token = Token.KEYWORD2;
break;
case '#':
addToken(i - lastOffset, token);
lastOffset = lastKeyword = i;
if (SyntaxUtilities.regionMatches(false, line, i1, "if")) {
token = Token.KEYWORD1;
} else if (SyntaxUtilities.regionMatches(true, line, i1, "else")) {
token = Token.KEYWORD1;
} else if (SyntaxUtilities.regionMatches(true, line, i1, "foreach")) {
token = Token.KEYWORD1;
} else if (SyntaxUtilities.regionMatches(true, line, i1, "end")) {
token = Token.KEYWORD1;
} else if (SyntaxUtilities.regionMatches(true, line, i1, "set")) {
token = Token.KEYWORD1;
} else if (SyntaxUtilities.regionMatches(true, line, i1, "macro")) {
token = Token.KEYWORD1;
} else {
int tmp = i1;
while (tmp < length && array[tmp] != '(') {
tmp++;
}
if (tmp < length && array[tmp] == '(') {
i += tmp - i1;
token = Token.KEYWORD2;
} else {
token = Token.NULL;
}
}
break;
case '$':
addToken(i - lastOffset, token);
lastOffset = lastKeyword = i;
int tmp = i1;
boolean acceptable = true;
int openingP = 0; // # Opening parenthesis
int openingB = 0; // # Opening brackets
while (tmp < array.length && acceptable) {
if (Character.isLetterOrDigit(array[tmp]) || array[tmp] == '_' || array[tmp] == '.') {
} else if (array[tmp] == '(') {
openingP++;
} else if (array[tmp] == '{') {
openingB++;
} else if (array[tmp] == ')') {
if (openingP > 0) {
openingP--;
} else {
acceptable = false;
}
} else if (array[tmp] == '}') {
if (openingB > 0) {
openingB--;
} else {
acceptable = false;
}
} else {
acceptable = false;
}
tmp++;
}
if (tmp < array.length) {
i += tmp - i1 - 2;
token = Token.KEYWORD4;
} else {
addToken(i + tmp - i1 - lastOffset, Token.KEYWORD4);
lastOffset = lastKeyword = i1;
token = Token.NULL;
}
break;
}
break;
case Token.KEYWORD3: // 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;
} else 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 + 3;
token = Token.NULL;
}
break;
case Token.WEBOBJECT: // Inside a comment
backslash = false;
if (SyntaxUtilities.regionMatches(false, line, i, ">")) {
addToken(i + 1 - lastOffset, token);
lastOffset = lastKeyword = i + 1;
token = Token.NULL;
}
break;
case Token.TABLE: // Inside a comment
backslash = false;
if (SyntaxUtilities.regionMatches(false, line, i, ">")) {
addToken(i + 1 - lastOffset, token);
lastOffset = lastKeyword = i + 1;
token = Token.NULL;
}
break;
case Token.TR: // Inside a comment
backslash = false;
if (SyntaxUtilities.regionMatches(false, line, i, ">")) {
addToken(i + 1 - lastOffset, token);
lastOffset = lastKeyword = i + 1;
token = Token.NULL;
}
break;
case Token.TD: // Inside a comment
backslash = false;
if (SyntaxUtilities.regionMatches(false, line, i, ">")) {
addToken(i + 1 - lastOffset, token);
lastOffset = lastKeyword = i + 1;
token = Token.NULL;
}
break;
case Token.KEYWORD1:
backslash = false;
if (SyntaxUtilities.regionMatches(false, line, i, "if")) {
addToken(i + 2 - lastOffset, token);
lastOffset = lastKeyword = i + 2;
token = Token.NULL;
} else if (SyntaxUtilities.regionMatches(false, line, i, "else")) {
addToken(i + 4 - lastOffset, token);
lastOffset = lastKeyword = i + 4;
token = Token.NULL;
} else if (SyntaxUtilities.regionMatches(false, line, i, "end")) {
addToken(i + 3 - lastOffset, token);
lastOffset = lastKeyword = i + 3;
token = Token.NULL;
} else if (SyntaxUtilities.regionMatches(false, line, i, "foreach")) {
addToken(i + 7 - lastOffset, token);
lastOffset = lastKeyword = i + 7;
token = Token.NULL;
} else if (SyntaxUtilities.regionMatches(false, line, i, "macro")) {
addToken(i + 5 - lastOffset, token);
lastOffset = lastKeyword = i + 5;
token = Token.NULL;
} else if (SyntaxUtilities.regionMatches(false, line, i, "set")) {
addToken(i + 3 - lastOffset, token);
lastOffset = lastKeyword = i + 3;
token = Token.NULL;
}
break;
case Token.KEYWORD4:
addToken(i1 - lastOffset, token);
lastOffset = lastKeyword = i1;
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.KEYWORD3);
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;
}
}