com.google.template.soy.jssrc.dsl.ArrayLiteral.java Source code

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Here is the source code for com.google.template.soy.jssrc.dsl.ArrayLiteral.java

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/*
 * Copyright 2016 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.jssrc.dsl;

import com.google.auto.value.AutoValue;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.google.errorprone.annotations.Immutable;
import com.google.template.soy.jssrc.restricted.JsExpr;

/** Represents a JavaScript array literal expression. */
@AutoValue
@Immutable
abstract class ArrayLiteral extends CodeChunk.WithValue {

    abstract ImmutableList<? extends CodeChunk.WithValue> elements();

    static ArrayLiteral create(ImmutableList<? extends CodeChunk.WithValue> elements) {
        ImmutableSet.Builder<CodeChunk> builder = ImmutableSet.builder();
        for (CodeChunk.WithValue element : elements) {
            builder.addAll(element.initialStatements());
        }
        return new AutoValue_ArrayLiteral(builder.build(), elements);
    }

    @Override
    public void collectRequires(RequiresCollector collector) {
        for (CodeChunk.WithValue element : elements()) {
            element.collectRequires(collector);
        }
    }

    @Override
    public JsExpr singleExprOrName() {
        FormattingContext ctx = new FormattingContext();
        doFormatOutputExpr(ctx);
        return new JsExpr(ctx.toString(), Integer.MAX_VALUE);
    }

    @Override
    void doFormatOutputExpr(FormattingContext ctx) {
        ctx.append('[');
        boolean first = true;
        for (CodeChunk.WithValue element : elements()) {
            if (first) {
                first = false;
            } else {
                ctx.append(", ");
            }
            element.doFormatOutputExpr(ctx);
        }
        ctx.append(']');
    }

    @Override
    void doFormatInitialStatements(FormattingContext ctx) {
        for (CodeChunk.WithValue element : elements()) {
            ctx.appendInitialStatements(element);
        }
    }
}