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/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* 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.intellij.psi.impl;
import com.intellij.lang.Language;
import com.intellij.lang.LanguageExtension;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiElement;
import org.jetbrains.annotations.Nullable;
/**
* @author Maxim.Medvedev
*/
public abstract class ExpressionConverter {
public static final LanguageExtension<ExpressionConverter> EP =
new LanguageExtension<ExpressionConverter>("com.intellij.expressionConverter");
protected abstract PsiElement convert(PsiElement expression, Project project);
@Nullable
public static PsiElement getExpression(PsiElement expression, Language language, Project project) {
if (expression.getLanguage() == language) return expression;
final ExpressionConverter converter = EP.forLanguage(language);
if (converter == null) return null;
return converter.convert(expression, project);
}
}
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