src/work/marci/for_each_macros.h
author hegyi
Thu, 24 Feb 2005 14:44:17 +0000
changeset 1174 5dccf1916ed8
parent 725 9fa4045571cd
permissions -rw-r--r--
just kidding
     1 // -*- c++ -*-
     2 #ifndef LEMON_FOR_EACH_MACROS_H
     3 #define LEMON_FOR_EACH_MACROS_H
     4 
     5 // /// \ingroup gwrappers
     6 /// \file
     7 /// \brief Iteration macros.
     8 ///
     9 /// This file contains several macros which make easier writting 
    10 /// for cycles in LEMON using LEMON iterators.
    11 ///
    12 /// \author Marton Makai
    13 
    14 namespace lemon {
    15 
    16   /// This macro provides a comfortable interface for iterating with LEMON 
    17   /// iterators.
    18   /// \code
    19   /// Graph g;
    20   /// ...
    21   /// Graph::NodeIt n;
    22   /// h_for_glob(n, g) {
    23   /// ...
    24   /// }
    25   /// Graph::EdgeIt e;
    26   /// h_for_glob(e, g) {
    27   /// ...
    28   /// }
    29   /// \endcode
    30   /// Note that the iterated variables \c n and \c e are global ones. 
    31 #define h_for_glob(e, g) for((g).first((e)); (g).valid((e)); (g).next((e)))
    32 
    33 /// \deprecated
    34 #define FOR_EACH_GLOB(e, g) for((g).first((e)); (g).valid((e)); (g).next((e)))
    35 
    36   /// This macro provides a comfortable interface for iterating with LEMON 
    37   /// iterators.
    38   /// \code
    39   /// Graph g;
    40   /// ...
    41   /// Graph::Node v;
    42   /// Graph::OutEdgeIt e;
    43   /// h_for_inc_glob(e, g, v) {
    44   /// ...
    45   /// }
    46   /// typedef BipartiteGraph<Graph> BGraph;
    47   /// BGraph h;
    48   /// ...
    49   /// BGraph::ClassNodeIt n;
    50   /// h_for_inc_glob(BGraph::ClassNodeIt, n, h, h.S_CLASS) {
    51   /// ...
    52   /// }
    53   /// \endcode
    54   /// Note that iterated variables \c e and \c n are global ones. 
    55 #define h_for_inc_glob(e, g, v) for((g).first((e), (v)); (g).valid((e)); (g).next((e)))
    56 
    57 /// \deprecated
    58 #define FOR_EACH_INC_GLOB(e, g, v) for((g).first((e), (v)); (g).valid((e)); (g).next((e)))
    59   
    60 /// \deprecated
    61 //#define FOR_EACH_EDGE_GLOB(e, g) for((g).first((e)); (g).valid((e)); (g).next((e)))
    62 /// \deprecated
    63 //#define FOR_EACH_NODE_GLOB(e, g) for((g).first((e)); (g).valid((e)); (g).next((e)))
    64 /// \deprecated
    65 //#define FOR_EACH_INEDGE_GLOB(e, g, v) for((g).first((e), (v)); (g).valid((e)); (g).next((e)))
    66 /// \deprecated
    67 //#define FOR_EACH_OUTEDGE_GLOB(e, g, v) for((g).first((e), (v)); (g).valid((e)); (g).next((e)))
    68 
    69 //   template<typename It, typename Graph> 
    70 //   It loopFirst(const Graph& g) const {
    71 //     It e; g.first(e); return e; 
    72 //   }
    73 
    74 //   template<typename It, typename Graph> 
    75 //   It loopFirst(const Graph& g, const Node& v) const {
    76 //     It e; g.first(e, v); return e; 
    77 //   }
    78 
    79 //   template<typename Graph> 
    80 //   typename Graph::NodeIt loopFirstNode(const Graph& g) const {
    81 //     typename Graph::NodeIt e; g.first(e); return e; 
    82 //   }
    83 //   template<typename Graph> 
    84 //   typename Graph::EdgeIt loopFirstEdge(const Graph& g) const {
    85 //     typename Graph::EdgeIt e; g.first(e); return e; 
    86 //   }
    87 //   template<typename Graph> 
    88 //   typename Graph::OutEdgeIt 
    89 //   loopFirstOutEdge(const Graph& g, const Node& n) const {
    90 //     typename Graph::OutEdgeIt e; g.first(e, n); return e; 
    91 //   }
    92 //   template<typename Graph> 
    93 //   typename Graph::InEdgeIt 
    94 //   loopFirstIn Edge(const Graph& g, const Node& n) const {
    95 //     typename Graph::InEdgeIt e; g.first(e, n); return e; 
    96 //   }
    97 
    98 //FIXME ezt hogy a gorcsbe birja levezetni. Csak ugy leveszi a const-ot??
    99   template<typename It, typename Graph> 
   100   It loopFirst(const It&, const Graph& g) {
   101     It e; g.first(e); return e; 
   102   }
   103 
   104   template<typename It, typename Graph, typename Node> 
   105   It loopFirst(const It&, const Graph& g, const Node& v) {
   106     It e; g.first(e, v); return e; 
   107   }
   108 
   109 //   template<typename Graph> 
   110 //   typename Graph::NodeIt loopFirstNode(const Graph& g) const {
   111 //     typename Graph::NodeIt e; g.first(e); return e; 
   112 //   }
   113 //   template<typename Graph> 
   114 //   typename Graph::EdgeIt loopFirstEdge(const Graph& g) const {
   115 //     typename Graph::EdgeIt e; g.first(e); return e; 
   116 //   }
   117 //   template<typename Graph> 
   118 //   typename Graph::OutEdgeIt 
   119 //   loopFirstOutEdge(const Graph& g, const Node& n) const {
   120 //     typename Graph::OutEdgeIt e; g.first(e, n); return e; 
   121 //   }
   122 //   template<typename Graph> 
   123 //   typename Graph::InEdgeIt 
   124 //   loopFirstIn Edge(const Graph& g, const Node& n) const {
   125 //     typename Graph::InEdgeIt e; g.first(e, n); return e; 
   126 //   }
   127 
   128   /// This macro provides a comfortable interface for iterating with LEMON 
   129   /// iterators.
   130   /// \code
   131   /// Graph g;
   132   /// ...
   133   /// h_for(Graph::NodeIt, n, g) {
   134   /// ...
   135   /// }
   136   /// h_for(Graph::EdgeIt, e, g) {
   137   /// ...
   138   /// }
   139   /// \endcode
   140   /// Note that the iterated variables \c n and \c e are local ones. 
   141 #define h_for(Ittype, e, g) for(Ittype e=loopFirst(Ittype(), (g)); (g).valid(e); (g).next(e))
   142   
   143 /// \deprecated
   144 #define FOR_EACH_LOC(Ittype, e, g) for(Ittype e=loopFirst(Ittype(), (g)); (g).valid(e); (g).next(e))
   145 
   146   /// This macro provides a comfortable interface for iterating with LEMON 
   147   /// iterators.
   148   /// \code
   149   /// Graph g;
   150   /// ...
   151   /// Graph::Node v;
   152   /// h_for_inc(Graph::OutEdgeIt, e, g, v) {
   153   /// ...
   154   /// }
   155   /// typedef BipartiteGraph<Graph> BGraph;
   156   /// BGraph h;
   157   /// ...
   158   /// h_for_inc(BGraph::ClassNodeIt, n, h, h.S_CLASS) {
   159   /// ...
   160   /// }
   161   /// \endcode
   162   /// Note that the iterated variables \c e and \c n are local ones. 
   163 #define h_for_inc(Ittype, e, g, v) for(Ittype e=loopFirst(Ittype(), (g), (v)); (g).valid(e); (g).next(e))
   164   
   165 /// \deprecated
   166 #define FOR_EACH_INC_LOC(Ittype, e, g, v) for(Ittype e=loopFirst(Ittype(), (g), (v)); (g).valid(e); (g).next(e))
   167   
   168 // #define FOR_EACH_EDGE_LOC(e, g) ezt nem tom hogy kell for((g).first((e)); (g).valid((e)); (g).next((e)))
   169 // #define FOR_EACH_NODE_LOC(e, g) for((g).first((e)); (g).valid((e)); (g).next((e)))
   170 // #define FOR_EACH_INEDGE_LOC(e, g, v) for((g).first((e), (v)); (g).valid((e)); (g).next((e)))
   171 // #define FOR_EACH_OUTEDGE_LOC(e, g, v) for((g).first((e), (v)); (g).valid((e)); (g).next((e)))
   172 
   173 } //namespace lemon
   174 
   175 #endif //LEMON_FOR_EACH_MACROS_H