src/work/deba/graph_io_test.cc
author alpar
Mon, 03 Jan 2005 16:19:46 +0000
changeset 1041 9d503ce002db
parent 1036 2f514b5c7122
child 1115 444f69240539
permissions -rw-r--r--
- Several convenience maps added to maps.h
- Improvements in doc
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#include <lemon/smart_graph.h>
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#include "map_utils.h"
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#include "graph_reader.h"
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#include "graph_writer.h"
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#include <iostream>
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#include <fstream>
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using namespace std;
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using namespace lemon;
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int main() {
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  ifstream input("test.lgf");
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  SmartGraph graph;
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  GraphReader<SmartGraph> reader(input, graph);
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  SmartGraph::NodeMap<int> id(graph);
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  reader.readNodeMap("id", id);
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  SmartGraph::NodeMap<int> cost(graph);
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  reader.readNodeMap("cost", cost);
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  SmartGraph::NodeMap<string> color(graph);
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  reader.readNodeMap("color", color);
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  SmartGraph::NodeMap<string> description(graph);
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  reader.readNodeMap<QuotedStringReader>("description", description);
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  SmartGraph::EdgeMap<char> mmap(graph);
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  reader.readEdgeMap("mmap", mmap);
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  reader.skipEdgeMap<QuotedStringReader>("description");
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  SmartGraph::Node source;
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  reader.readNode("source", source);
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  SmartGraph::Edge newedge;
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  reader.readEdge("newedge", newedge);
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  try {
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    reader.read();
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  } catch (IOException& e) {
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    cerr << e.what() << endl;
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  } catch (Exception e) {
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    cerr << e.what() << endl;
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  }
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  for (SmartGraph::NodeIt it(graph); it != INVALID; ++it) {
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    cout << cost[it] << ' ' << color[it] << ' ' << description[it] << endl;
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  }
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  for (SmartGraph::EdgeIt it(graph); it != INVALID; ++it) {
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    cout << mmap[it] << ' ' << id[graph.source(it)] << ' ' << id[graph.target(it)]  << endl;
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  }
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  cout << id[source] << ' ' << cost[source] << ' ' << color[source] << ' ' << description[source] << endl;
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  cout << mmap[newedge] << ' ' << id[graph.source(newedge)] << ' ' << id[graph.target(newedge)]  << endl;
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  ofstream output("copy.lgf");
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  GraphWriter<SmartGraph> writer(output, graph);
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  DescriptorMap<SmartGraph, SmartGraph::Node, SmartGraph::NodeIt, SmartGraph::NodeMap<int> > node_ids(graph);
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  writer.writeNodeMap("id", node_ids);
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  writer.writeNodeMap<QuotedStringWriter>("format", description);
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  DescriptorMap<SmartGraph, SmartGraph::Edge, SmartGraph::EdgeIt, SmartGraph::EdgeMap<int> > edge_ids(graph);
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  writer.writeEdgeMap("id", edge_ids);
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  writer.writeEdgeMap("chars", mmap);
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  writer.writeNode("source", node_ids.inverse()[3]);
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  writer.writeEdge("elek", edge_ids.inverse()[6]);
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  writer.write();
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  return 0;
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}