COIN-OR::LEMON - Graph Library

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  • lemon/lgf_writer.h

    r291 r294  
    353353
    354354  template <typename Digraph>
    355   DigraphWriter<Digraph> digraphWriter(std::ostream& os,
    356                                        const Digraph& digraph);
     355  DigraphWriter<Digraph> digraphWriter(const Digraph& digraph,
     356                                       std::ostream& os = std::cout);
    357357
    358358  template <typename Digraph>
    359   DigraphWriter<Digraph> digraphWriter(const std::string& fn,
    360                                        const Digraph& digraph);
     359  DigraphWriter<Digraph> digraphWriter(const Digraph& digraph,
     360                                       const std::string& fn);
    361361
    362362  template <typename Digraph>
    363   DigraphWriter<Digraph> digraphWriter(const char *fn,
    364                                        const Digraph& digraph);
     363  DigraphWriter<Digraph> digraphWriter(const Digraph& digraph,
     364                                       const char *fn);
    365365
    366366  /// \ingroup lemon_io
    … …  
    383383  ///
    384384  ///\code
    385   /// DigraphWriter<Digraph>(std::cout, digraph).
     385  /// DigraphWriter<Digraph>(digraph, std::cout).
    386386  ///   nodeMap("coordinates", coord_map).
    387387  ///   nodeMap("size", size).
    … …  
    453453    /// Construct a directed graph writer, which writes to the given
    454454    /// output stream.
    455     DigraphWriter(std::ostream& is, const Digraph& digraph)
    456       : _os(&is), local_os(false), _digraph(digraph),
     455    DigraphWriter(const Digraph& digraph, std::ostream& os = std::cout)
     456      : _os(&os), local_os(false), _digraph(digraph),
    457457        _skip_nodes(false), _skip_arcs(false) {}
    458458
    … …  
    461461    /// Construct a directed graph writer, which writes to the given
    462462    /// output file.
    463     DigraphWriter(const std::string& fn, const Digraph& digraph)
     463    DigraphWriter(const Digraph& digraph, const std::string& fn)
    464464      : _os(new std::ofstream(fn.c_str())), local_os(true), _digraph(digraph),
    465465        _skip_nodes(false), _skip_arcs(false) {
    … …  
    471471    /// Construct a directed graph writer, which writes to the given
    472472    /// output file.
    473     DigraphWriter(const char* fn, const Digraph& digraph)
     473    DigraphWriter(const Digraph& digraph, const char* fn)
    474474      : _os(new std::ofstream(fn)), local_os(true), _digraph(digraph),
    475475        _skip_nodes(false), _skip_arcs(false) {
    … …  
    501501  private:
    502502
    503     friend DigraphWriter<Digraph> digraphWriter<>(std::ostream& os,
    504                                                   const Digraph& digraph);
    505     friend DigraphWriter<Digraph> digraphWriter<>(const std::string& fn,
    506                                                   const Digraph& digraph);
    507     friend DigraphWriter<Digraph> digraphWriter<>(const char *fn,
    508                                                   const Digraph& digraph);
     503    friend DigraphWriter<Digraph> digraphWriter<>(const Digraph& digraph,
     504                                                  std::ostream& os);
     505    friend DigraphWriter<Digraph> digraphWriter<>(const Digraph& digraph,
     506                                                  const std::string& fn);
     507    friend DigraphWriter<Digraph> digraphWriter<>(const Digraph& digraph,
     508                                                  const char *fn);
    509509
    510510    DigraphWriter(DigraphWriter& other)
    … …  
    913913  /// \relates DigraphWriter
    914914  template <typename Digraph>
    915   DigraphWriter<Digraph> digraphWriter(std::ostream& os,
    916                                        const Digraph& digraph) {
    917     DigraphWriter<Digraph> tmp(os, digraph);
     915  DigraphWriter<Digraph> digraphWriter(const Digraph& digraph,
     916                                       std::ostream& os = std::cout) {
     917    DigraphWriter<Digraph> tmp(digraph, os);
    918918    return tmp;
    919919  }
    … …  
    924924  /// \relates DigraphWriter
    925925  template <typename Digraph>
    926   DigraphWriter<Digraph> digraphWriter(const std::string& fn,
    927                                        const Digraph& digraph) {
    928     DigraphWriter<Digraph> tmp(fn, digraph);
     926  DigraphWriter<Digraph> digraphWriter(const Digraph& digraph,
     927                                       const std::string& fn) {
     928    DigraphWriter<Digraph> tmp(digraph, fn);
    929929    return tmp;
    930930  }
    … …  
    935935  /// \relates DigraphWriter
    936936  template <typename Digraph>
    937   DigraphWriter<Digraph> digraphWriter(const char* fn,
    938                                        const Digraph& digraph) {
    939     DigraphWriter<Digraph> tmp(fn, digraph);
     937  DigraphWriter<Digraph> digraphWriter(const Digraph& digraph,
     938                                       const char* fn) {
     939    DigraphWriter<Digraph> tmp(digraph, fn);
    940940    return tmp;
    941941  }
    … …  
    945945
    946946  template <typename Graph>
    947   GraphWriter<Graph> graphWriter(std::ostream& os, const Graph& graph);
     947  GraphWriter<Graph> graphWriter(const Graph& graph,
     948                                 std::ostream& os = std::cout);
    948949
    949950  template <typename Graph>
    950   GraphWriter<Graph> graphWriter(const std::string& fn, const Graph& graph);
     951  GraphWriter<Graph> graphWriter(const Graph& graph, const std::string& fn);
    951952
    952953  template <typename Graph>
    953   GraphWriter<Graph> graphWriter(const char *fn, const Graph& graph);
     954  GraphWriter<Graph> graphWriter(const Graph& graph, const char *fn);
    954955
    955956  /// \ingroup lemon_io
    … …  
    10131014    /// Construct a directed graph writer, which writes to the given
    10141015    /// output stream.
    1015     GraphWriter(std::ostream& is, const Graph& graph)
    1016       : _os(&is), local_os(false), _graph(graph),
     1016    GraphWriter(const Graph& graph, std::ostream& os = std::cout)
     1017      : _os(&os), local_os(false), _graph(graph),
    10171018        _skip_nodes(false), _skip_edges(false) {}
    10181019
    … …  
    10211022    /// Construct a directed graph writer, which writes to the given
    10221023    /// output file.
    1023     GraphWriter(const std::string& fn, const Graph& graph)
     1024    GraphWriter(const Graph& graph, const std::string& fn)
    10241025      : _os(new std::ofstream(fn.c_str())), local_os(true), _graph(graph),
    10251026        _skip_nodes(false), _skip_edges(false) {
    … …  
    10311032    /// Construct a directed graph writer, which writes to the given
    10321033    /// output file.
    1033     GraphWriter(const char* fn, const Graph& graph)
     1034    GraphWriter(const Graph& graph, const char* fn)
    10341035      : _os(new std::ofstream(fn)), local_os(true), _graph(graph),
    10351036        _skip_nodes(false), _skip_edges(false) {
    … …  
    10611062  private:
    10621063
    1063     friend GraphWriter<Graph> graphWriter<>(std::ostream& os,
    1064                                             const Graph& graph);
    1065     friend GraphWriter<Graph> graphWriter<>(const std::string& fn,
    1066                                             const Graph& graph);
    1067     friend GraphWriter<Graph> graphWriter<>(const char *fn,
    1068                                             const Graph& graph);
     1064    friend GraphWriter<Graph> graphWriter<>(const Graph& graph,
     1065                                            std::ostream& os);
     1066    friend GraphWriter<Graph> graphWriter<>(const Graph& graph,
     1067                                            const std::string& fn);
     1068    friend GraphWriter<Graph> graphWriter<>(const Graph& graph,
     1069                                            const char *fn);
    10691070
    10701071    GraphWriter(GraphWriter& other)
    … …  
    15191520  /// \relates GraphWriter
    15201521  template <typename Graph>
    1521   GraphWriter<Graph> graphWriter(std::ostream& os, const Graph& graph) {
    1522     GraphWriter<Graph> tmp(os, graph);
     1522  GraphWriter<Graph> graphWriter(const Graph& graph,
     1523                                 std::ostream& os = std::cout) {
     1524    GraphWriter<Graph> tmp(graph, os);
    15231525    return tmp;
    15241526  }
    … …  
    15291531  /// \relates GraphWriter
    15301532  template <typename Graph>
    1531   GraphWriter<Graph> graphWriter(const std::string& fn, const Graph& graph) {
    1532     GraphWriter<Graph> tmp(fn, graph);
     1533  GraphWriter<Graph> graphWriter(const Graph& graph, const std::string& fn) {
     1534    GraphWriter<Graph> tmp(graph, fn);
    15331535    return tmp;
    15341536  }
    … …  
    15391541  /// \relates GraphWriter
    15401542  template <typename Graph>
    1541   GraphWriter<Graph> graphWriter(const char* fn, const Graph& graph) {
    1542     GraphWriter<Graph> tmp(fn, graph);
     1543  GraphWriter<Graph> graphWriter(const Graph& graph, const char* fn) {
     1544    GraphWriter<Graph> tmp(graph, fn);
    15431545    return tmp;
    15441546  }
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