/*
 * 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.tree.TokenSet;

import org.intellij.lang.regexp.psi.RegExpElementVisitor;
import org.intellij.lang.regexp.psi.RegExpSetOptions;
import org.intellij.lang.regexp.psi.RegExpOptions;
import org.intellij.lang.regexp.RegExpElementTypes;

public class RegExpSetOptionsImpl extends RegExpElementImpl implements RegExpSetOptions {
    public RegExpSetOptionsImpl(ASTNode astNode) {
        super(astNode);
    }

    public RegExpOptions getOnOptions() {
        final ASTNode[] nodes = getNode().getChildren(TokenSet.create(RegExpElementTypes.OPTIONS));
        for (ASTNode node : nodes) {
            if (!node.textContains('-')) {
                return (RegExpOptions)node.getPsi();
            }
        }
        return null;
    }

    public RegExpOptions getOffOptions() {
        final ASTNode[] nodes = getNode().getChildren(TokenSet.create(RegExpElementTypes.OPTIONS));
        for (ASTNode node : nodes) {
            if (node.textContains('-')) {
                return (RegExpOptions)node.getPsi();
            }
        }
        return null;
    }

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