// Copyright 2012 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.collide.codemirror2;
import com.google.collide.json.shared.JsonArray;
/**
* Token factory for CSS; uses information from {@link CssState}.
*/
public class CssTokenFactory implements TokenFactory<CssState> {
@Override
public void push(String stylePrefix, CssState state, String tokenType, String tokenValue,
JsonArray<Token> tokens) {
tokens.add(createToken(stylePrefix, state, tokenType, tokenValue));
}
/**
* Create new {@link CssToken} for the given parameters.
*
* <p>This method is shared with {@link HtmlTokenFactory} in order to create
* tokens of class {@link CssToken} for internal style sheets.
*
* @param stylePrefix a.k.a. mode, in this case expected to be "css"
* @param state CSS parser state at the time when the token was parsed
* @param tokenType token type
* @param tokenValue token value
* @return newly created {@link CssToken}.
*/
static CssToken createToken(String stylePrefix, CssState state, String tokenType,
String tokenValue) {
JsonArray<String> stack = state.getStack();
String context = (stack != null && stack.size() > 0) ? stack.peek() : null;
return new CssToken(stylePrefix, TokenType.resolveTokenType(tokenType, tokenValue), tokenValue,
context);
}
}