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/*******************************************************************************
* Copyright (c) 2004, 2005 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.css.core.internal.parserz;
import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import java.util.Collections;
import java.util.List;
import org.eclipse.wst.css.core.internal.parser.CSSTokenizer;
public class CSSTextParser {
public static final int MODE_STYLESHEET = 0;
public static final int MODE_DECLARATION = 1;
public static final int MODE_DECLARATION_VALUE = 2;
public CSSTextParser(int parserMode) {
initializeParserMode(parserMode);
}
public CSSTextParser(int parserMode, Reader reader) {
initializeParserMode(parserMode);
reset(reader);
}
public CSSTextParser(int parserMode, String input) {
initializeParserMode(parserMode);
reset(input);
}
public void reset(Reader reader) {
getTokenizer().reset(reader, 0);
}
public void reset(String input) {
getTokenizer().reset(new StringReader(input), 0);
}
public CSSTextToken[] getTokens() {
List tokenList = getTokenList();
CSSTextToken[] tokens = new CSSTextToken[tokenList.size()];
return (CSSTextToken[]) tokenList.toArray(tokens);
}
public List getTokenList() {
List tokens;
try {
tokens = getTokenizer().parseText();
}
catch (IOException e) {
tokens = Collections.EMPTY_LIST;
}
return tokens;
}
private void initializeParserMode(int parserMode) {
int initialState;
int bufsize;
switch (parserMode) {
case MODE_STYLESHEET :
initialState = CSSTokenizer.YYINITIAL;
bufsize = CSSTokenizer.BUFFER_SIZE_NORMAL;
break;
case MODE_DECLARATION :
initialState = CSSTokenizer.ST_DECLARATION;
bufsize = CSSTokenizer.BUFFER_SIZE_NORMAL;
break;
case MODE_DECLARATION_VALUE :
initialState = CSSTokenizer.ST_DECLARATION_PRE_VALUE;
bufsize = CSSTokenizer.BUFFER_SIZE_SMALL;
break;
default :
return;
}
if (0 < initialState) {
CSSTokenizer tokenizer = getTokenizer();
tokenizer.setInitialState(initialState);
tokenizer.setInitialBufferSize(bufsize);
}
}
private CSSTokenizer getTokenizer() {
if (fTokenizer == null) {
fTokenizer = new CSSTokenizer();
}
return fTokenizer;
}
private CSSTokenizer fTokenizer = null;
}
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