/*
* Copyright 2013 Julien Dramaix.
*
* 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.gwt.resources.gss;
import com.google.common.collect.ImmutableList;
import com.google.common.css.compiler.ast.CssValueNode;
import com.google.common.css.compiler.ast.ErrorManager;
import com.google.common.css.compiler.ast.GssFunction;
import com.google.common.css.compiler.ast.GssFunctionException;
import com.google.gwt.resources.gss.ast.CssJavaExpressionNode;
import java.util.List;
public class EvalFunction implements GssFunction {
public static String getName() {
return "eval";
}
@Override
public List<CssValueNode> getCallResultNodes(List<CssValueNode> args, ErrorManager errorManager)
throws GssFunctionException {
CssValueNode functionToEval = args.get(0);
//TODO check that the value of functionToEval match a certain pattern or exist ?
CssJavaExpressionNode result = new CssJavaExpressionNode(functionToEval.getValue());
return ImmutableList.of((CssValueNode) result);
}
@Override
public String getCallResultString(List<String> args) throws GssFunctionException {
return args.get(0);
}
@Override
public Integer getNumExpectedArguments() {
return 1;
}
}