RegExpSupport/src/org/intellij/lang/regexp/psi/impl/RegExpClosureImpl.java

/*
 * Copyright 2006 Sascha Weinreuter
 *
 * 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 org.intellij.lang.regexp.psi.impl;

import com.intellij.lang.ASTNode;
import com.intellij.psi.util.PsiTreeUtil;

import org.jetbrains.annotations.NotNull;

import org.intellij.lang.regexp.RegExpElementTypes;
import org.intellij.lang.regexp.psi.RegExpAtom;
import org.intellij.lang.regexp.psi.RegExpElementVisitor;
import org.intellij.lang.regexp.psi.RegExpQuantifier;
import org.intellij.lang.regexp.psi.RegExpClosure;

public class RegExpClosureImpl extends RegExpElementImpl implements RegExpClosure {

    public RegExpClosureImpl(ASTNode astNode) {
        super(astNode);
    }

    public void accept(RegExpElementVisitor visitor) {
        visitor.visitRegExpClosure(this);
    }

    @NotNull
    public RegExpQuantifier getQuantifier() {
        final ASTNode node = getNode().findChildByType(RegExpElementTypes.QUANTIFIER);
        assert node != null;
        return (RegExpQuantifier)node.getPsi();
    }

    @NotNull
    public RegExpAtom getAtom() {
        final RegExpAtom atom = PsiTreeUtil.getChildOfType(this, RegExpAtom.class);
        assert atom != null;
        return atom;
    }
}