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

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Here is the source code for com.google.template.soy.jssrc.dsl.Leaf.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.ImmutableSet;
import com.google.errorprone.annotations.Immutable;
import com.google.template.soy.jssrc.restricted.JsExpr;

/**
 * Holds {@link JsExpr expressions}. These chunks can always be represented as single expressions
 * (namely, the {@link #value} from which they are built).
 */
@AutoValue
@Immutable
abstract class Leaf extends CodeChunk.WithValue {
    static WithValue create(String text, Iterable<GoogRequire> require) {
        return create(new JsExpr(text, Integer.MAX_VALUE), ImmutableSet.copyOf(require));
    }

    static Leaf create(String text) {
        return create(new JsExpr(text, Integer.MAX_VALUE), ImmutableSet.<GoogRequire>of());
    }

    static Leaf create(JsExpr value, Iterable<GoogRequire> requires) {
        return new AutoValue_Leaf(value, ImmutableSet.copyOf(requires));
    }

    abstract JsExpr value();

    abstract ImmutableSet<GoogRequire> requires();

    @Override
    void doFormatInitialStatements(FormattingContext ctx) {
        // nothing to do
    }

    @Override
    void doFormatOutputExpr(FormattingContext ctx) {
        ctx.append(value().getText());
    }

    @Override
    public JsExpr singleExprOrName() {
        return value();
    }

    @Override
    public void collectRequires(RequiresCollector collector) {
        for (GoogRequire require : requires()) {
            collector.add(require);
        }
    }

    @Override
    public ImmutableSet<CodeChunk> initialStatements() {
        return ImmutableSet.of();
    }
}