com.google.template.soy.exprtree.MapLiteralNode.java Source code

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Here is the source code for com.google.template.soy.exprtree.MapLiteralNode.java

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/*
 * Copyright 2011 Google Inc.
 *
 * 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.template.soy.exprtree;

import com.google.common.collect.ImmutableMap;
import com.google.template.soy.base.SourceLocation;
import com.google.template.soy.basetree.CopyState;
import java.util.Map;

/** A node representing a map literal (with keys and values as alternating children). */
public final class MapLiteralNode extends AbstractParentExprNode {

    public MapLiteralNode(ImmutableMap<ExprNode, ExprNode> map, SourceLocation sourceLocation) {
        super(sourceLocation);
        for (Map.Entry<ExprNode, ExprNode> entry : map.entrySet()) {
            addChild(entry.getKey());
            addChild(entry.getValue());
        }
    }

    /** Copy constructor. */
    private MapLiteralNode(MapLiteralNode orig, CopyState copyState) {
        super(orig, copyState);
    }

    @Override
    public Kind getKind() {
        return Kind.MAP_LITERAL_NODE;
    }

    @Override
    public String toSourceString() {
        StringBuilder sb = new StringBuilder("map(");
        for (int i = 0, n = numChildren(); i < n; i += 2) {
            if (i != 0) {
                sb.append(", ");
            }
            sb.append(getChild(i).toSourceString()).append(": ").append(getChild(i + 1).toSourceString());
        }
        return sb.append(')').toString();
    }

    @Override
    public MapLiteralNode copy(CopyState copyState) {
        return new MapLiteralNode(this, copyState);
    }
}