COIN-OR::LEMON - Graph Library

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  • lemon/lgf_reader.h

    r291 r294  
    393393
    394394  template <typename Digraph>
    395   DigraphReader<Digraph> digraphReader(std::istream& is, Digraph& digraph);
     395  DigraphReader<Digraph> digraphReader(Digraph& digraph,
     396                                       std::istream& is = std::cin);
    396397
    397398  template <typename Digraph>
    398   DigraphReader<Digraph> digraphReader(const std::string& fn, Digraph& digraph);
     399  DigraphReader<Digraph> digraphReader(Digraph& digraph, const std::string& fn);
    399400
    400401  template <typename Digraph>
    401   DigraphReader<Digraph> digraphReader(const char *fn, Digraph& digraph);
     402  DigraphReader<Digraph> digraphReader(Digraph& digraph, const char *fn);
    402403
    403404  /// \ingroup lemon_io
    … …  
    422423  ///
    423424  ///\code
    424   /// DigraphReader<Digraph>(std::cin, digraph).
     425  /// DigraphReader<Digraph>(digraph, std::cin).
    425426  ///   nodeMap("coordinates", coord_map).
    426427  ///   arcMap("capacity", cap_map).
    … …  
    503504    /// Construct a directed graph reader, which reads from the given
    504505    /// input stream.
    505     DigraphReader(std::istream& is, Digraph& digraph)
     506    DigraphReader(Digraph& digraph, std::istream& is = std::cin)
    506507      : _is(&is), local_is(false), _digraph(digraph),
    507508        _use_nodes(false), _use_arcs(false),
    … …  
    512513    /// Construct a directed graph reader, which reads from the given
    513514    /// file.
    514     DigraphReader(const std::string& fn, Digraph& digraph)
     515    DigraphReader(Digraph& digraph, const std::string& fn)
    515516      : _is(new std::ifstream(fn.c_str())), local_is(true),
    516517        _filename(fn), _digraph(digraph),
    … …  
    524525    /// Construct a directed graph reader, which reads from the given
    525526    /// file.
    526     DigraphReader(const char* fn, Digraph& digraph)
     527    DigraphReader(Digraph& digraph, const char* fn)
    527528      : _is(new std::ifstream(fn)), local_is(true),
    528529        _filename(fn), _digraph(digraph),
    … …  
    557558  private:
    558559
    559     friend DigraphReader<Digraph> digraphReader<>(std::istream& is,
    560                                                   Digraph& digraph);
    561     friend DigraphReader<Digraph> digraphReader<>(const std::string& fn,
    562                                                   Digraph& digraph);
    563     friend DigraphReader<Digraph> digraphReader<>(const char *fn,
    564                                                   Digraph& digraph);
     560    friend DigraphReader<Digraph> digraphReader<>(Digraph& digraph,
     561                                                  std::istream& is);
     562    friend DigraphReader<Digraph> digraphReader<>(Digraph& digraph,
     563                                                  const std::string& fn);
     564    friend DigraphReader<Digraph> digraphReader<>(Digraph& digraph,
     565                                                  const char *fn);
    565566
    566567    DigraphReader(DigraphReader& other)
    … …  
    11881189  /// \relates DigraphReader
    11891190  template <typename Digraph>
    1190   DigraphReader<Digraph> digraphReader(std::istream& is, Digraph& digraph) {
    1191     DigraphReader<Digraph> tmp(is, digraph);
     1191  DigraphReader<Digraph> digraphReader(Digraph& digraph,
     1192                                       std::istream& is = std::cin) {
     1193    DigraphReader<Digraph> tmp(digraph, is);
    11921194    return tmp;
    11931195  }
    … …  
    11981200  /// \relates DigraphReader
    11991201  template <typename Digraph>
    1200   DigraphReader<Digraph> digraphReader(const std::string& fn,
    1201                                        Digraph& digraph) {
    1202     DigraphReader<Digraph> tmp(fn, digraph);
     1202  DigraphReader<Digraph> digraphReader(Digraph& digraph,
     1203                                       const std::string& fn) {
     1204    DigraphReader<Digraph> tmp(digraph, fn);
    12031205    return tmp;
    12041206  }
    … …  
    12091211  /// \relates DigraphReader
    12101212  template <typename Digraph>
    1211   DigraphReader<Digraph> digraphReader(const char* fn, Digraph& digraph) {
    1212     DigraphReader<Digraph> tmp(fn, digraph);
     1213  DigraphReader<Digraph> digraphReader(Digraph& digraph, const char* fn) {
     1214    DigraphReader<Digraph> tmp(digraph, fn);
    12131215    return tmp;
    12141216  }
    … …  
    12181220
    12191221  template <typename Graph>
    1220   GraphReader<Graph> graphReader(std::istream& is, Graph& graph);
     1222  GraphReader<Graph> graphReader(Graph& graph,
     1223                                 std::istream& is = std::cin);
    12211224
    12221225  template <typename Graph>
    1223   GraphReader<Graph> graphReader(const std::string& fn, Graph& graph);
     1226  GraphReader<Graph> graphReader(Graph& graph, const std::string& fn);
    12241227
    12251228  template <typename Graph>
    1226   GraphReader<Graph> graphReader(const char *fn, Graph& graph);
     1229  GraphReader<Graph> graphReader(Graph& graph, const char *fn);
    12271230
    12281231  /// \ingroup lemon_io
    … …  
    12921295    /// Construct an undirected graph reader, which reads from the given
    12931296    /// input stream.
    1294     GraphReader(std::istream& is, Graph& graph)
     1297    GraphReader(Graph& graph, std::istream& is = std::cin)
    12951298      : _is(&is), local_is(false), _graph(graph),
    12961299        _use_nodes(false), _use_edges(false),
    … …  
    13011304    /// Construct an undirected graph reader, which reads from the given
    13021305    /// file.
    1303     GraphReader(const std::string& fn, Graph& graph)
     1306    GraphReader(Graph& graph, const std::string& fn)
    13041307      : _is(new std::ifstream(fn.c_str())), local_is(true),
    13051308        _filename(fn), _graph(graph),
    … …  
    13131316    /// Construct an undirected graph reader, which reads from the given
    13141317    /// file.
    1315     GraphReader(const char* fn, Graph& graph)
     1318    GraphReader(Graph& graph, const char* fn)
    13161319      : _is(new std::ifstream(fn)), local_is(true),
    13171320        _filename(fn), _graph(graph),
    … …  
    13451348
    13461349  private:
    1347     friend GraphReader<Graph> graphReader<>(std::istream& is, Graph& graph);
    1348     friend GraphReader<Graph> graphReader<>(const std::string& fn,
    1349                                             Graph& graph);
    1350     friend GraphReader<Graph> graphReader<>(const char *fn, Graph& graph);
     1350    friend GraphReader<Graph> graphReader<>(Graph& graph, std::istream& is);
     1351    friend GraphReader<Graph> graphReader<>(Graph& graph,
     1352                                            const std::string& fn);
     1353    friend GraphReader<Graph> graphReader<>(Graph& graph, const char *fn);
    13511354
    13521355    GraphReader(GraphReader& other)
    … …  
    20222025  /// \relates GraphReader
    20232026  template <typename Graph>
    2024   GraphReader<Graph> graphReader(std::istream& is, Graph& graph) {
    2025     GraphReader<Graph> tmp(is, graph);
     2027  GraphReader<Graph> graphReader(Graph& graph, std::istream& is = std::cin) {
     2028    GraphReader<Graph> tmp(graph, is);
    20262029    return tmp;
    20272030  }
    … …  
    20322035  /// \relates GraphReader
    20332036  template <typename Graph>
    2034   GraphReader<Graph> graphReader(const std::string& fn,
    2035                                        Graph& graph) {
    2036     GraphReader<Graph> tmp(fn, graph);
     2037  GraphReader<Graph> graphReader(Graph& graph, const std::string& fn) {
     2038    GraphReader<Graph> tmp(graph, fn);
    20372039    return tmp;
    20382040  }
    … …  
    20432045  /// \relates GraphReader
    20442046  template <typename Graph>
    2045   GraphReader<Graph> graphReader(const char* fn, Graph& graph) {
    2046     GraphReader<Graph> tmp(fn, graph);
     2047  GraphReader<Graph> graphReader(Graph& graph, const char* fn) {
     2048    GraphReader<Graph> tmp(graph, fn);
    20472049    return tmp;
    20482050  }
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