| // Copyright 2014 The Bazel Authors. All rights reserved. |
| // |
| // 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.devtools.build.lib.query2.query.output; |
| |
| import com.google.common.hash.HashFunction; |
| import com.google.devtools.build.lib.events.EventHandler; |
| import com.google.devtools.build.lib.graph.Digraph; |
| import com.google.devtools.build.lib.graph.Node; |
| import com.google.devtools.build.lib.packages.LabelPrinter; |
| import com.google.devtools.build.lib.packages.Target; |
| import com.google.devtools.build.lib.query2.query.aspectresolvers.AspectResolver; |
| import com.google.devtools.build.lib.query2.query.output.FormatUtils.TargetOrdering; |
| import com.google.devtools.build.lib.query2.query.output.GraphOutputWriter.NodeReader; |
| import com.google.devtools.build.lib.query2.query.output.QueryOptions.OrderOutput; |
| import java.io.OutputStream; |
| import java.util.Comparator; |
| |
| /** |
| * An output formatter that prints the result as factored graph in AT&T |
| * GraphViz format. |
| */ |
| class GraphOutputFormatter extends OutputFormatter { |
| @Override |
| public String getName() { |
| return "graph"; |
| } |
| |
| private static final GraphOutputWriter.NodeReader<Target> NODE_READER = |
| new NodeReader<Target>() { |
| private final TargetOrdering targetOrdering = new FormatUtils.TargetOrdering(); |
| |
| @Override |
| public String getLabel(Node<Target> node, LabelPrinter labelPrinter) { |
| // Node payloads are Targets. Output node labels are target labels. |
| return labelPrinter.toString(node.getLabel().getLabel()); |
| } |
| |
| @Override |
| public Comparator<Target> comparator() { |
| return targetOrdering; |
| } |
| }; |
| |
| @Override |
| public void output( |
| QueryOptions options, |
| Digraph<Target> result, |
| OutputStream out, |
| AspectResolver aspectProvider, |
| EventHandler eventHandler, |
| HashFunction hashFunction, |
| LabelPrinter labelPrinter) { |
| boolean sortLabels = options.orderOutput == OrderOutput.FULL; |
| GraphOutputWriter<Target> graphWriter = |
| new GraphOutputWriter<>( |
| NODE_READER, |
| options.getLineTerminator(), |
| sortLabels, |
| options.graphNodeStringLimit, |
| options.graphConditionalEdgesLimit, |
| options.graphFactored, |
| labelPrinter); |
| graphWriter.write(result, new ConditionalEdges(result), out); |
| } |
| } |