61 lines
2.0 KiB
C++
61 lines
2.0 KiB
C++
// Copyright 2010-2022 Google LLC
|
|
// 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.
|
|
|
|
#ifndef OR_TOOLS_UTIL_GRAPH_EXPORT_H_
|
|
#define OR_TOOLS_UTIL_GRAPH_EXPORT_H_
|
|
|
|
#include <string>
|
|
|
|
#include "ortools/base/file.h"
|
|
#include "ortools/base/logging.h"
|
|
#include "ortools/base/macros.h"
|
|
|
|
namespace operations_research {
|
|
// ----- Export to graph file -----
|
|
|
|
// This class will allow the creation of a graph representation.
|
|
// It supports different formats (see GraphFormat).
|
|
class GraphExporter {
|
|
public:
|
|
// Supported graph formats.
|
|
enum GraphFormat {
|
|
DOT_FORMAT,
|
|
GML_FORMAT,
|
|
};
|
|
|
|
virtual ~GraphExporter();
|
|
|
|
// Write the header of the graph file.
|
|
virtual void WriteHeader(const std::string& name) = 0;
|
|
|
|
// Write the footer of the graph file.
|
|
virtual void WriteFooter() = 0;
|
|
|
|
// Write node in GML or DOT format.
|
|
virtual void WriteNode(const std::string& name, const std::string& label,
|
|
const std::string& shape,
|
|
const std::string& color) = 0;
|
|
|
|
// Adds one link in the generated graph.
|
|
virtual void WriteLink(const std::string& source,
|
|
const std::string& destination,
|
|
const std::string& label) = 0;
|
|
|
|
// Creates a graph exporter that will write to file with a given format.
|
|
static GraphExporter* MakeFileExporter(File* file,
|
|
GraphExporter::GraphFormat format);
|
|
};
|
|
} // namespace operations_research
|
|
|
|
#endif // OR_TOOLS_UTIL_GRAPH_EXPORT_H_
|