1 | /* -*- C++ -*- |
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2 | * |
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3 | * This file is a part of LEMON, a generic C++ optimization library |
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4 | * |
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5 | * Copyright (C) 2003-2007 |
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6 | * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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7 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
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8 | * |
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9 | * Permission to use, modify and distribute this software is granted |
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10 | * provided that this copyright notice appears in all copies. For |
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11 | * precise terms see the accompanying LICENSE file. |
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12 | * |
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13 | * This software is provided "AS IS" with no warranty of any kind, |
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14 | * express or implied, and with no claim as to its suitability for any |
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15 | * purpose. |
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16 | * |
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17 | */ |
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18 | |
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19 | ///\ingroup lemon_io |
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20 | ///\file |
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21 | ///\brief Lemon Format writer. |
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22 | |
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23 | #ifndef LEMON_LEMON_WRITER_H |
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24 | #define LEMON_LEMON_WRITER_H |
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25 | |
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26 | #include <iostream> |
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27 | #include <fstream> |
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28 | #include <string> |
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29 | #include <vector> |
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30 | #include <algorithm> |
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31 | #include <map> |
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32 | #include <memory> |
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33 | |
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34 | #include <lemon/error.h> |
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35 | #include <lemon/bits/invalid.h> |
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36 | #include <lemon/graph_utils.h> |
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37 | #include <lemon/bits/item_writer.h> |
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38 | #include <lemon/bits/utility.h> |
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39 | #include <lemon/maps.h> |
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40 | #include <lemon/dim2.h> |
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41 | |
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42 | #include <lemon/concept_check.h> |
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43 | #include <lemon/concepts/maps.h> |
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44 | |
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45 | |
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46 | namespace lemon { |
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47 | |
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48 | namespace _writer_bits { |
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49 | |
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50 | template <typename T> |
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51 | bool operator<(T, T) { |
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52 | throw DataFormatError("Label is not comparable"); |
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53 | } |
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54 | |
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55 | template <typename T> |
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56 | struct Less { |
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57 | bool operator()(const T& p, const T& q) const { |
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58 | return p < q; |
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59 | } |
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60 | }; |
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61 | |
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62 | template <typename Map> |
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63 | struct ComposeLess { |
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64 | ComposeLess(const Map& _map) : map(_map), less() {} |
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65 | |
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66 | bool operator()(const typename Map::Key& p, |
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67 | const typename Map::Key& q) const { |
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68 | return less(map[p], map[q]); |
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69 | } |
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70 | const Map& map; |
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71 | Less<typename Map::Value> less; |
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72 | }; |
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73 | |
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74 | template <typename UGraph, typename Map> |
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75 | struct UEdgeComposeLess { |
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76 | UEdgeComposeLess(const UGraph& _ugraph, const Map& _map) |
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77 | : ugraph(_ugraph), map(_map), less() {} |
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78 | |
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79 | bool operator()(const typename UGraph::Edge& p, |
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80 | const typename UGraph::Edge& q) const { |
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81 | return p != q ? less(map[p], map[q]) : |
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82 | (!ugraph.direction(p) && ugraph.direction(q)); |
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83 | } |
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84 | |
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85 | const UGraph& ugraph; |
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86 | const Map& map; |
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87 | Less<typename Map::Value> less; |
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88 | }; |
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89 | |
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90 | template <typename Item> |
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91 | class ItemLabelWriter { |
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92 | public: |
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93 | |
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94 | bool isLabelWriter() { return true; } |
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95 | |
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96 | void writeLabel(std::ostream&, const Item&) {} |
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97 | |
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98 | template <class _ItemLabelWriter> |
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99 | struct Constraints { |
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100 | void constraints() { |
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101 | bool b = writer.isLabelWriter(); |
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102 | ignore_unused_variable_warning(b); |
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103 | writer.writeLabel(os, item); |
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104 | } |
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105 | _ItemLabelWriter& writer; |
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106 | std::ostream& os; |
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107 | const Item& item; |
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108 | }; |
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109 | |
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110 | }; |
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111 | |
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112 | template <typename Item> |
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113 | class ItemWriter { |
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114 | public: |
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115 | |
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116 | void write(std::ostream&, const Item&) {} |
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117 | |
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118 | template <class _ItemWriter> |
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119 | struct Constraints { |
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120 | void constraints() { |
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121 | writer.write(os, item); |
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122 | } |
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123 | _ItemWriter& writer; |
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124 | std::ostream& os; |
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125 | const Item& item; |
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126 | }; |
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127 | |
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128 | }; |
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129 | |
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130 | template <typename Map> |
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131 | struct Ref { typedef const Map& Type; }; |
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132 | |
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133 | template <typename Graph, typename Map> |
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134 | class ForwardComposeMap { |
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135 | public: |
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136 | typedef typename Graph::UEdge Key; |
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137 | typedef typename Map::Value Value; |
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138 | |
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139 | ForwardComposeMap(const Graph& _graph, const Map& _map) |
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140 | : graph(_graph), map(_map) {} |
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141 | |
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142 | Value operator[](const Key& key) const { |
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143 | return map[graph.direct(key, true)]; |
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144 | } |
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145 | |
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146 | private: |
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147 | typename Ref<Map>::Type map; |
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148 | const Graph& graph; |
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149 | }; |
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150 | |
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151 | template <typename Graph, typename Map> |
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152 | ForwardComposeMap<Graph, Map> |
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153 | forwardComposeMap(const Graph& graph, const Map& map) { |
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154 | return ForwardComposeMap<Graph, Map>(graph, map); |
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155 | } |
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156 | |
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157 | template <typename Graph, typename Map> |
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158 | class BackwardComposeMap { |
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159 | public: |
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160 | typedef typename Graph::UEdge Key; |
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161 | typedef typename Map::Value Value; |
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162 | |
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163 | BackwardComposeMap(const Graph& _graph, const Map& _map) |
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164 | : graph(_graph), map(_map) {} |
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165 | |
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166 | Value operator[](const Key& key) const { |
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167 | return map[graph.direct(key, false)]; |
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168 | } |
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169 | |
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170 | private: |
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171 | typename Ref<Map>::Type map; |
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172 | const Graph& graph; |
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173 | }; |
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174 | |
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175 | template <typename Graph, typename Map> |
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176 | BackwardComposeMap<Graph, Map> |
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177 | backwardComposeMap(const Graph& graph, const Map& map) { |
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178 | return BackwardComposeMap<Graph, Map>(graph, map); |
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179 | } |
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180 | |
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181 | template <typename Graph, typename Map> |
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182 | struct Ref<ForwardComposeMap<Graph, Map> > { |
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183 | typedef ForwardComposeMap<Graph, Map> Type; |
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184 | }; |
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185 | |
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186 | template <typename Graph, typename Map> |
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187 | struct Ref<BackwardComposeMap<Graph, Map> > { |
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188 | typedef BackwardComposeMap<Graph, Map> Type; |
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189 | }; |
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190 | |
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191 | template <typename Map> |
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192 | struct Ref<dim2::XMap<Map> > { |
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193 | typedef dim2::XMap<Map> Type; |
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194 | }; |
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195 | template <typename Map> |
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196 | struct Ref<dim2::ConstXMap<Map> > { |
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197 | typedef dim2::ConstXMap<Map> Type; |
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198 | }; |
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199 | |
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200 | template <typename Map> |
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201 | struct Ref<dim2::YMap<Map> > { |
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202 | typedef dim2::YMap<Map> Type; |
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203 | }; |
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204 | template <typename Map> |
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205 | struct Ref<dim2::ConstYMap<Map> > { |
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206 | typedef dim2::ConstYMap<Map> Type; |
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207 | }; |
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208 | |
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209 | |
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210 | template <typename _Item> |
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211 | class MapWriterBase { |
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212 | public: |
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213 | typedef _Item Item; |
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214 | |
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215 | virtual ~MapWriterBase() {} |
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216 | |
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217 | virtual void write(std::ostream& os, const Item& item) const = 0; |
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218 | virtual void sort(std::vector<Item>&) const = 0; |
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219 | }; |
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220 | |
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221 | |
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222 | template <typename _Item, typename _Map, typename _Writer> |
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223 | class MapWriter : public MapWriterBase<_Item> { |
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224 | public: |
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225 | typedef _Map Map; |
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226 | typedef _Writer Writer; |
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227 | typedef typename Writer::Value Value; |
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228 | typedef _Item Item; |
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229 | |
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230 | typename _writer_bits::Ref<Map>::Type map; |
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231 | Writer writer; |
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232 | |
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233 | MapWriter(const Map& _map, const Writer& _writer) |
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234 | : map(_map), writer(_writer) {} |
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235 | |
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236 | virtual ~MapWriter() {} |
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237 | |
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238 | virtual void write(std::ostream& os, const Item& item) const { |
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239 | Value value = map[item]; |
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240 | writer.write(os, value); |
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241 | } |
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242 | |
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243 | virtual void sort(std::vector<Item>& items) const { |
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244 | ComposeLess<Map> less(map); |
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245 | std::sort(items.begin(), items.end(), less); |
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246 | } |
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247 | |
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248 | }; |
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249 | |
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250 | template <typename _UGraph> |
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251 | class UEdgeMapWriterBase { |
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252 | public: |
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253 | typedef typename _UGraph::Edge Edge; |
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254 | typedef typename _UGraph::UEdge UEdge; |
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255 | |
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256 | typedef UEdge Item; |
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257 | |
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258 | virtual ~UEdgeMapWriterBase() {} |
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259 | |
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260 | virtual void write(std::ostream& os, const Item& item) const = 0; |
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261 | virtual void sort(const _UGraph&, std::vector<Edge>&) const = 0; |
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262 | virtual void sort(std::vector<UEdge>&) const = 0; |
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263 | }; |
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264 | |
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265 | |
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266 | template <typename _UGraph, typename _Map, typename _Writer> |
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267 | class UEdgeMapWriter : public UEdgeMapWriterBase<_UGraph> { |
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268 | public: |
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269 | typedef _Map Map; |
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270 | typedef _Writer Writer; |
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271 | typedef typename Writer::Value Value; |
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272 | |
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273 | typedef typename _UGraph::Edge Edge; |
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274 | typedef typename _UGraph::UEdge UEdge; |
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275 | typedef UEdge Item; |
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276 | |
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277 | typename _writer_bits::Ref<Map>::Type map; |
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278 | Writer writer; |
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279 | |
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280 | UEdgeMapWriter(const Map& _map, const Writer& _writer) |
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281 | : map(_map), writer(_writer) {} |
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282 | |
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283 | virtual ~UEdgeMapWriter() {} |
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284 | |
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285 | virtual void write(std::ostream& os, const Item& item) const { |
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286 | Value value = map[item]; |
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287 | writer.write(os, value); |
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288 | } |
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289 | |
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290 | virtual void sort(const _UGraph& ugraph, std::vector<Edge>& items) const { |
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291 | UEdgeComposeLess<_UGraph, Map> less(ugraph, map); |
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292 | std::sort(items.begin(), items.end(), less); |
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293 | } |
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294 | |
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295 | virtual void sort(std::vector<UEdge>& items) const { |
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296 | ComposeLess<Map> less(map); |
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297 | std::sort(items.begin(), items.end(), less); |
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298 | } |
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299 | |
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300 | }; |
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301 | |
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302 | |
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303 | class ValueWriterBase { |
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304 | public: |
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305 | virtual ~ValueWriterBase() {} |
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306 | virtual void write(std::ostream&) = 0; |
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307 | }; |
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308 | |
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309 | template <typename _Value, typename _Writer> |
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310 | class ValueWriter : public ValueWriterBase { |
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311 | public: |
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312 | typedef _Value Value; |
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313 | typedef _Writer Writer; |
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314 | |
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315 | ValueWriter(const Value& _value, const Writer& _writer) |
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316 | : value(_value), writer(_writer) {} |
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317 | |
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318 | virtual void write(std::ostream& os) { |
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319 | writer.write(os, value); |
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320 | } |
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321 | private: |
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322 | const Value& value; |
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323 | Writer writer; |
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324 | }; |
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325 | |
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326 | |
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327 | template <typename _Item> |
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328 | class LabelWriterBase { |
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329 | public: |
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330 | typedef _Item Item; |
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331 | virtual ~LabelWriterBase() {} |
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332 | virtual void write(std::ostream&, const Item&) const = 0; |
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333 | virtual void sort(std::vector<Item>&) const = 0; |
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334 | virtual bool isLabelWriter() const = 0; |
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335 | virtual LabelWriterBase* clone() const = 0; |
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336 | }; |
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337 | |
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338 | template <typename _Item, typename _BoxedLabelWriter> |
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339 | class LabelWriter : public LabelWriterBase<_Item> { |
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340 | public: |
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341 | typedef _Item Item; |
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342 | typedef _BoxedLabelWriter BoxedLabelWriter; |
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343 | |
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344 | const BoxedLabelWriter& labelWriter; |
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345 | |
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346 | LabelWriter(const BoxedLabelWriter& _labelWriter) |
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347 | : labelWriter(_labelWriter) {} |
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348 | |
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349 | virtual void write(std::ostream& os, const Item& item) const { |
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350 | labelWriter.writeLabel(os, item); |
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351 | } |
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352 | virtual void sort(std::vector<Item>& items) const { |
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353 | labelWriter.sortByLabel(items); |
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354 | } |
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355 | |
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356 | virtual bool isLabelWriter() const { |
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357 | return labelWriter.isLabelWriter(); |
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358 | } |
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359 | |
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360 | virtual LabelWriter* clone() const { |
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361 | return new LabelWriter(labelWriter); |
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362 | } |
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363 | }; |
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364 | |
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365 | } |
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366 | |
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367 | /// \ingroup lemon_io |
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368 | /// \brief Lemon Format writer class. |
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369 | /// |
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370 | /// The Lemon Format contains several sections. We do not want to |
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371 | /// determine what sections are in a lemon file we give only a framework |
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372 | /// to write a section oriented format. |
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373 | /// |
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374 | /// In the Lemon Format each section starts with a line contains a \c \@ |
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375 | /// character on the first not white space position. This line is the |
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376 | /// header line of the section. Each next lines belong to this section |
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377 | /// while it does not starts with \c \@ character. This line can start a |
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378 | /// new section or if it can close the file with the \c \@end line. |
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379 | /// The file format ignore the empty lines and it may contain comments |
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380 | /// started with a \c # character to the end of the line. |
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381 | /// |
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382 | /// The framework provides an abstract LemonWriter::SectionWriter class |
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383 | /// what defines the interface of a SectionWriter. The SectionWriter |
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384 | /// has the \c header() member function what gives back the header of the |
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385 | /// section. After that it will be called the \c write() member which |
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386 | /// should write the content of the section. |
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387 | /// |
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388 | /// \relates GraphWriter |
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389 | /// \relates NodeSetWriter |
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390 | /// \relates EdgeSetWriter |
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391 | /// \relates NodesWriter |
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392 | /// \relates EdgesWriter |
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393 | /// \relates AttributeWriter |
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394 | class LemonWriter { |
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395 | public: |
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396 | |
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397 | /// \brief Abstract base class for writing a section. |
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398 | /// |
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399 | /// This class has an \c header() member function what gives back |
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400 | /// the header line of the section. The \c write() member should |
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401 | /// write the content of the section to the stream. |
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402 | class SectionWriter { |
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403 | friend class LemonWriter; |
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404 | protected: |
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405 | /// \brief Constructor for SectionWriter. |
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406 | /// |
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407 | /// Constructor for SectionWriter. It attach this writer to |
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408 | /// the given LemonWriter. |
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409 | SectionWriter(LemonWriter& writer) { |
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410 | writer.attach(*this); |
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411 | } |
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412 | |
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413 | virtual ~SectionWriter() {} |
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414 | |
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415 | /// \brief The header of section. |
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416 | /// |
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417 | /// It gives back the header of the section. |
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418 | virtual std::string header() = 0; |
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419 | |
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420 | /// \brief Writer function of the section. |
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421 | /// |
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422 | /// Write the content of the section. |
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423 | virtual void write(std::ostream& os) = 0; |
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424 | |
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425 | /// \brief Gives back true when the section should be written. |
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426 | /// |
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427 | /// Gives back true when the section should be written. |
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428 | virtual bool valid() { return true; } |
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429 | }; |
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430 | |
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431 | /// \brief Constructor for LemonWriter. |
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432 | /// |
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433 | /// Constructor for LemonWriter which writes to the given stream. |
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434 | LemonWriter(std::ostream& _os) |
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435 | : os(&_os), own_os(false) {} |
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436 | |
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437 | /// \brief Constructor for LemonWriter. |
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438 | /// |
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439 | /// Constructor for LemonWriter which writes to the given file. |
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440 | LemonWriter(const std::string& filename) |
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441 | : os(0), own_os(true) { |
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442 | os = new std::ofstream(filename.c_str()); |
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443 | } |
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444 | |
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445 | /// \brief Desctructor for LemonWriter. |
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446 | /// |
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447 | /// Desctructor for LemonWriter. |
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448 | ~LemonWriter() { |
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449 | if (own_os) { |
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450 | delete os; |
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451 | } |
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452 | } |
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453 | |
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454 | private: |
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455 | LemonWriter(const LemonWriter&); |
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456 | void operator=(const LemonWriter&); |
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457 | |
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458 | void attach(SectionWriter& writer) { |
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459 | writers.push_back(&writer); |
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460 | } |
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461 | |
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462 | public: |
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463 | |
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464 | /// \brief Executes the LemonWriter. |
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465 | /// |
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466 | /// It executes the LemonWriter. |
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467 | void run() { |
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468 | SectionWriters::iterator it; |
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469 | for (it = writers.begin(); it != writers.end(); ++it) { |
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470 | if ((*it)->valid()) { |
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471 | *os << (*it)->header() << std::endl; |
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472 | (*it)->write(*os); |
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473 | } |
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474 | } |
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475 | *os << "@end" << std::endl; |
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476 | } |
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477 | |
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478 | |
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479 | private: |
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480 | |
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481 | std::ostream* os; |
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482 | bool own_os; |
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483 | |
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484 | typedef std::vector<SectionWriter*> SectionWriters; |
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485 | SectionWriters writers; |
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486 | |
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487 | }; |
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488 | |
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489 | /// \ingroup section_io |
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490 | /// \brief SectionWriter for writing a graph's nodeset. |
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491 | /// |
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492 | /// The lemon format can store multiple graph nodesets with several maps. |
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493 | /// The nodeset section's header line is \c \@nodeset \c nodeset_name, but |
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494 | /// the \c nodeset_name may be empty. |
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495 | /// |
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496 | /// The first line of the section contains the names of the maps separated |
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497 | /// with white spaces. Each next lines describes a node in the nodeset, and |
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498 | /// contains the mapped values for each map. |
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499 | /// |
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500 | /// If the nodeset contains an \c "label" named map then it will be regarded |
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501 | /// as label map. This map should contain only unique values and when the |
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502 | /// \c writeLabel() member will be called with a node it will write it's |
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503 | /// label. Otherwise if the \c _forceLabelMap constructor parameter is true |
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504 | /// then the label map will be the id in the graph. In addition if the |
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505 | /// the \c _forceSort is true then the writer will write the edges |
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506 | /// sorted by the labels. |
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507 | /// |
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508 | /// \relates LemonWriter |
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509 | template <typename _Graph, typename _Traits = DefaultWriterTraits> |
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510 | class NodeSetWriter : public LemonWriter::SectionWriter { |
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511 | typedef LemonWriter::SectionWriter Parent; |
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512 | public: |
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513 | |
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514 | typedef _Graph Graph; |
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515 | typedef _Traits Traits; |
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516 | typedef typename Graph::Node Node; |
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517 | |
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518 | /// \brief Constructor. |
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519 | /// |
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520 | /// Constructor for NodeSetWriter. It creates the NodeSetWriter and |
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521 | /// attach it into the given LemonWriter. If the \c _forceLabelMap |
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522 | /// parameter is true then the writer will write own label map when |
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523 | /// the user does not give "label" named map. In addition if the |
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524 | /// the \c _forceSort is true then the writer will write the edges |
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525 | /// sorted by the labels. |
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526 | NodeSetWriter(LemonWriter& _writer, const Graph& _graph, |
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527 | const std::string& _name = std::string(), |
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528 | bool _forceLabelMap = true, bool _forceSort = true) |
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529 | : Parent(_writer), labelMap(0), forceLabelMap(_forceLabelMap), |
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530 | forceSort(_forceSort), graph(_graph), name(_name) {} |
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531 | |
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532 | /// \brief Destructor. |
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533 | /// |
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534 | /// Destructor for NodeSetWriter. |
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535 | virtual ~NodeSetWriter() { |
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536 | typename MapWriters::iterator it; |
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537 | for (it = writers.begin(); it != writers.end(); ++it) { |
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538 | delete it->second; |
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539 | } |
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540 | } |
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541 | |
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542 | private: |
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543 | NodeSetWriter(const NodeSetWriter&); |
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544 | void operator=(const NodeSetWriter&); |
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545 | |
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546 | public: |
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547 | |
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548 | /// \brief Add a new node map writer command for the writer. |
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549 | /// |
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550 | /// Add a new node map writer command for the writer. |
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551 | template <typename Map> |
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552 | NodeSetWriter& writeNodeMap(std::string label, const Map& map) { |
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553 | return writeNodeMap<typename Traits:: |
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554 | template Writer<typename Map::Value>, Map>(label, map); |
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555 | } |
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556 | |
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557 | /// \brief Add a new node map writer command for the writer. |
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558 | /// |
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559 | /// Add a new node map writer command for the writer. |
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560 | template <typename ItemWriter, typename Map> |
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561 | NodeSetWriter& writeNodeMap(std::string label, const Map& map, |
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562 | const ItemWriter& iw = ItemWriter()) { |
---|
563 | checkConcept<concepts::ReadMap<Node, typename Map::Value>, Map>(); |
---|
564 | checkConcept<_writer_bits::ItemWriter<typename Map::Value>,ItemWriter>(); |
---|
565 | writers.push_back( |
---|
566 | make_pair(label, new _writer_bits:: |
---|
567 | MapWriter<Node, Map, ItemWriter>(map, iw))); |
---|
568 | return *this; |
---|
569 | } |
---|
570 | |
---|
571 | protected: |
---|
572 | |
---|
573 | /// \brief The header of the section. |
---|
574 | /// |
---|
575 | /// It gives back the header of the section. |
---|
576 | virtual std::string header() { |
---|
577 | return "@nodeset " + name; |
---|
578 | } |
---|
579 | |
---|
580 | /// \brief Writer function of the section. |
---|
581 | /// |
---|
582 | /// Write the content of the section. |
---|
583 | virtual void write(std::ostream& os) { |
---|
584 | for (int i = 0; i < int(writers.size()); ++i) { |
---|
585 | if (writers[i].first == "label") { |
---|
586 | labelMap = writers[i].second; |
---|
587 | forceLabelMap = false; |
---|
588 | break; |
---|
589 | } |
---|
590 | } |
---|
591 | std::vector<Node> items; |
---|
592 | for (typename Graph::NodeIt it(graph); it != INVALID; ++it) { |
---|
593 | items.push_back(it); |
---|
594 | } |
---|
595 | if (forceSort) { |
---|
596 | if (labelMap) { |
---|
597 | labelMap->sort(items); |
---|
598 | } else { |
---|
599 | typedef IdMap<Graph, Node> Map; |
---|
600 | Map map(graph); |
---|
601 | _writer_bits::ComposeLess<Map> less(map); |
---|
602 | std::sort(items.begin(), items.end(), less); |
---|
603 | } |
---|
604 | } |
---|
605 | if (forceLabelMap) { |
---|
606 | os << "label\t"; |
---|
607 | } |
---|
608 | for (int i = 0; i < int(writers.size()); ++i) { |
---|
609 | os << writers[i].first << '\t'; |
---|
610 | } |
---|
611 | os << std::endl; |
---|
612 | for (typename std::vector<Node>::iterator it = items.begin(); |
---|
613 | it != items.end(); ++it) { |
---|
614 | if (forceLabelMap) { |
---|
615 | os << graph.id(*it) << '\t'; |
---|
616 | } |
---|
617 | for (int i = 0; i < int(writers.size()); ++i) { |
---|
618 | writers[i].second->write(os, *it); |
---|
619 | os << '\t'; |
---|
620 | } |
---|
621 | os << std::endl; |
---|
622 | } |
---|
623 | } |
---|
624 | |
---|
625 | public: |
---|
626 | |
---|
627 | /// \brief Returns true if the nodeset can write the labels of the nodes. |
---|
628 | /// |
---|
629 | /// Returns true if the nodeset can write the labels of the nodes. |
---|
630 | /// It is possible only if a "label" named map was written or the |
---|
631 | /// \c _forceLabelMap constructor parameter was true. |
---|
632 | bool isLabelWriter() const { |
---|
633 | return labelMap != 0 || forceLabelMap; |
---|
634 | } |
---|
635 | |
---|
636 | /// \brief Write the label of the given node. |
---|
637 | /// |
---|
638 | /// It writes the label of the given node. If there was written a "label" |
---|
639 | /// named map then it will write the map value belongs to the node. |
---|
640 | /// Otherwise if the \c forceLabel parameter was true it will write |
---|
641 | /// its label in the graph. |
---|
642 | void writeLabel(std::ostream& os, const Node& item) const { |
---|
643 | if (forceLabelMap) { |
---|
644 | os << graph.id(item); |
---|
645 | } else { |
---|
646 | labelMap->write(os, item); |
---|
647 | } |
---|
648 | } |
---|
649 | |
---|
650 | /// \brief Sorts the given node vector by label. |
---|
651 | /// |
---|
652 | /// Sorts the given node vector by label. If there was written an |
---|
653 | /// "label" named map then the vector will be sorted by the values |
---|
654 | /// of this map. Otherwise if the \c forceLabel parameter was true |
---|
655 | /// it will be sorted by its id in the graph. |
---|
656 | void sortByLabel(std::vector<Node>& nodes) const { |
---|
657 | if (labelMap) { |
---|
658 | labelMap->sort(nodes); |
---|
659 | } else { |
---|
660 | typedef IdMap<Graph, Node> Map; |
---|
661 | Map map(graph); |
---|
662 | _writer_bits::ComposeLess<Map> less(map); |
---|
663 | std::sort(nodes.begin(), nodes.end(), less); |
---|
664 | } |
---|
665 | } |
---|
666 | |
---|
667 | private: |
---|
668 | |
---|
669 | typedef std::vector<std::pair<std::string, _writer_bits:: |
---|
670 | MapWriterBase<Node>*> > MapWriters; |
---|
671 | MapWriters writers; |
---|
672 | |
---|
673 | _writer_bits::MapWriterBase<Node>* labelMap; |
---|
674 | bool forceLabelMap; |
---|
675 | bool forceSort; |
---|
676 | |
---|
677 | const Graph& graph; |
---|
678 | std::string name; |
---|
679 | |
---|
680 | }; |
---|
681 | |
---|
682 | /// \ingroup section_io |
---|
683 | /// \brief SectionWriter for writing a graph's edgesets. |
---|
684 | /// |
---|
685 | /// The lemon format can store multiple graph edgesets with several maps. |
---|
686 | /// The edgeset section's header line is \c \@edgeset \c edgeset_name, but |
---|
687 | /// the \c edgeset_name may be empty. |
---|
688 | /// |
---|
689 | /// The first line of the section contains the names of the maps separated |
---|
690 | /// with white spaces. Each next lines describes a edge in the edgeset. The |
---|
691 | /// line contains the source and the target nodes' label and the mapped |
---|
692 | /// values for each map. |
---|
693 | /// |
---|
694 | /// If the edgeset contains an \c "label" named map then it will be regarded |
---|
695 | /// as label map. This map should contain only unique values and when the |
---|
696 | /// \c writeLabel() member will be called with an edge it will write it's |
---|
697 | /// label. Otherwise if the \c _forceLabelMap constructor parameter is true |
---|
698 | /// then the label map will be the id in the graph. In addition if the |
---|
699 | /// the \c _forceSort is true then the writer will write the edges |
---|
700 | /// sorted by the labels. |
---|
701 | /// |
---|
702 | /// The edgeset writer needs a node label writer to identify which nodes |
---|
703 | /// have to be connected. If a NodeSetWriter can write the nodes' label, |
---|
704 | /// it will be able to use with this class. |
---|
705 | /// |
---|
706 | /// \relates LemonWriter |
---|
707 | template <typename _Graph, typename _Traits = DefaultWriterTraits> |
---|
708 | class EdgeSetWriter : public LemonWriter::SectionWriter { |
---|
709 | typedef LemonWriter::SectionWriter Parent; |
---|
710 | public: |
---|
711 | |
---|
712 | typedef _Graph Graph; |
---|
713 | typedef _Traits Traits; |
---|
714 | typedef typename Graph::Node Node; |
---|
715 | typedef typename Graph::Edge Edge; |
---|
716 | |
---|
717 | /// \brief Constructor. |
---|
718 | /// |
---|
719 | /// Constructor for EdgeSetWriter. It creates the EdgeSetWriter |
---|
720 | /// and attach it into the given LemonWriter. It will write node |
---|
721 | /// labels by the \c _nodeLabelWriter. If the \c _forceLabelMap |
---|
722 | /// parameter is true then the writer will write own label map if |
---|
723 | /// the user does not give "label" named map. In addition if the |
---|
724 | /// the \c _forceSort is true then the writer will write the |
---|
725 | /// edges sorted by the labels. |
---|
726 | template <typename NodeLabelWriter> |
---|
727 | EdgeSetWriter(LemonWriter& _writer, const Graph& _graph, |
---|
728 | const NodeLabelWriter& _nodeLabelWriter, |
---|
729 | const std::string& _name = std::string(), |
---|
730 | bool _forceLabelMap = true, bool _forceSort = true) |
---|
731 | : Parent(_writer), labelMap(0), forceLabelMap(_forceLabelMap), |
---|
732 | forceSort(_forceSort), graph(_graph), name(_name) { |
---|
733 | checkConcept<_writer_bits::ItemLabelWriter<Node>, NodeLabelWriter>(); |
---|
734 | nodeLabelWriter.reset(new _writer_bits:: |
---|
735 | LabelWriter<Node, NodeLabelWriter>(_nodeLabelWriter)); |
---|
736 | } |
---|
737 | |
---|
738 | /// \brief Destructor. |
---|
739 | /// |
---|
740 | /// Destructor for EdgeSetWriter. |
---|
741 | virtual ~EdgeSetWriter() { |
---|
742 | typename MapWriters::iterator it; |
---|
743 | for (it = writers.begin(); it != writers.end(); ++it) { |
---|
744 | delete it->second; |
---|
745 | } |
---|
746 | } |
---|
747 | |
---|
748 | private: |
---|
749 | EdgeSetWriter(const EdgeSetWriter&); |
---|
750 | void operator=(const EdgeSetWriter&); |
---|
751 | |
---|
752 | public: |
---|
753 | |
---|
754 | /// \brief Add a new edge map writer command for the writer. |
---|
755 | /// |
---|
756 | /// Add a new edge map writer command for the writer. |
---|
757 | template <typename Map> |
---|
758 | EdgeSetWriter& writeEdgeMap(std::string label, const Map& map) { |
---|
759 | return writeEdgeMap<typename Traits:: |
---|
760 | template Writer<typename Map::Value>, Map>(label, map); |
---|
761 | } |
---|
762 | |
---|
763 | /// \brief Add a new edge map writer command for the writer. |
---|
764 | /// |
---|
765 | /// Add a new edge map writer command for the writer. |
---|
766 | template <typename ItemWriter, typename Map> |
---|
767 | EdgeSetWriter& writeEdgeMap(std::string label, const Map& map, |
---|
768 | const ItemWriter& iw = ItemWriter()) { |
---|
769 | checkConcept<concepts::ReadMap<Edge, typename Map::Value>, Map>(); |
---|
770 | checkConcept<_writer_bits::ItemWriter<typename Map::Value>, ItemWriter>(); |
---|
771 | writers.push_back( |
---|
772 | make_pair(label, new _writer_bits:: |
---|
773 | MapWriter<Edge, Map, ItemWriter>(map, iw))); |
---|
774 | return *this; |
---|
775 | } |
---|
776 | |
---|
777 | protected: |
---|
778 | |
---|
779 | /// \brief The header of the section. |
---|
780 | /// |
---|
781 | /// It gives back the header of the section. |
---|
782 | virtual std::string header() { |
---|
783 | return "@edgeset " + name; |
---|
784 | } |
---|
785 | |
---|
786 | /// \brief Writer function of the section. |
---|
787 | /// |
---|
788 | /// Write the content of the section. |
---|
789 | virtual void write(std::ostream& os) { |
---|
790 | if (!nodeLabelWriter->isLabelWriter()) { |
---|
791 | throw DataFormatError("Cannot find nodeset or label map"); |
---|
792 | } |
---|
793 | for (int i = 0; i < int(writers.size()); ++i) { |
---|
794 | if (writers[i].first == "label") { |
---|
795 | labelMap = writers[i].second; |
---|
796 | forceLabelMap = false; |
---|
797 | break; |
---|
798 | } |
---|
799 | } |
---|
800 | std::vector<Edge> items; |
---|
801 | for (typename Graph::EdgeIt it(graph); it != INVALID; ++it) { |
---|
802 | items.push_back(it); |
---|
803 | } |
---|
804 | if (forceSort) { |
---|
805 | if (labelMap) { |
---|
806 | labelMap->sort(items); |
---|
807 | } else { |
---|
808 | typedef IdMap<Graph, Edge> Map; |
---|
809 | Map map(graph); |
---|
810 | _writer_bits::ComposeLess<Map> less(map); |
---|
811 | std::sort(items.begin(), items.end(), less); |
---|
812 | } |
---|
813 | } |
---|
814 | os << "\t\t"; |
---|
815 | if (forceLabelMap) { |
---|
816 | os << "label\t"; |
---|
817 | } |
---|
818 | for (int i = 0; i < int(writers.size()); ++i) { |
---|
819 | os << writers[i].first << '\t'; |
---|
820 | } |
---|
821 | os << std::endl; |
---|
822 | for (typename std::vector<Edge>::iterator it = items.begin(); |
---|
823 | it != items.end(); ++it) { |
---|
824 | nodeLabelWriter->write(os, graph.source(*it)); |
---|
825 | os << '\t'; |
---|
826 | nodeLabelWriter->write(os, graph.target(*it)); |
---|
827 | os << '\t'; |
---|
828 | if (forceLabelMap) { |
---|
829 | os << graph.id(*it) << '\t'; |
---|
830 | } |
---|
831 | for (int i = 0; i < int(writers.size()); ++i) { |
---|
832 | writers[i].second->write(os, *it); |
---|
833 | os << '\t'; |
---|
834 | } |
---|
835 | os << std::endl; |
---|
836 | } |
---|
837 | } |
---|
838 | |
---|
839 | public: |
---|
840 | |
---|
841 | /// \brief Returns true if the edgeset can write the labels of the edges. |
---|
842 | /// |
---|
843 | /// Returns true if the edgeset can write the labels of the edges. |
---|
844 | /// It is possible only if a "label" named map was written or the |
---|
845 | /// \c _forceLabelMap constructor parameter was true. |
---|
846 | bool isLabelWriter() const { |
---|
847 | return forceLabelMap || labelMap != 0; |
---|
848 | } |
---|
849 | |
---|
850 | /// \brief Write the label of the given edge. |
---|
851 | /// |
---|
852 | /// It writes the label of the given edge. If there was written a "label" |
---|
853 | /// named map then it will write the map value belongs to the edge. |
---|
854 | /// Otherwise if the \c forceLabel parameter was true it will write |
---|
855 | /// its label in the graph. |
---|
856 | void writeLabel(std::ostream& os, const Edge& item) const { |
---|
857 | if (forceLabelMap) { |
---|
858 | os << graph.id(item); |
---|
859 | } else { |
---|
860 | labelMap->write(os, item); |
---|
861 | } |
---|
862 | } |
---|
863 | |
---|
864 | /// \brief Sorts the given edge vector by label. |
---|
865 | /// |
---|
866 | /// Sorts the given edge vector by label. If there was written an |
---|
867 | /// "label" named map then the vector will be sorted by the values |
---|
868 | /// of this map. Otherwise if the \c forceLabel parameter was true |
---|
869 | /// it will be sorted by its id in the graph. |
---|
870 | void sortByLabel(std::vector<Edge>& edges) const { |
---|
871 | if (labelMap) { |
---|
872 | labelMap->sort(edges); |
---|
873 | } else { |
---|
874 | typedef IdMap<Graph, Edge> Map; |
---|
875 | Map map(graph); |
---|
876 | _writer_bits::ComposeLess<Map> less(map); |
---|
877 | std::sort(edges.begin(), edges.end(), less); |
---|
878 | } |
---|
879 | } |
---|
880 | |
---|
881 | private: |
---|
882 | |
---|
883 | typedef std::vector<std::pair<std::string, _writer_bits:: |
---|
884 | MapWriterBase<Edge>*> > MapWriters; |
---|
885 | MapWriters writers; |
---|
886 | |
---|
887 | _writer_bits::MapWriterBase<Edge>* labelMap; |
---|
888 | bool forceLabelMap; |
---|
889 | bool forceSort; |
---|
890 | |
---|
891 | const Graph& graph; |
---|
892 | std::string name; |
---|
893 | |
---|
894 | std::auto_ptr<_writer_bits::LabelWriterBase<Node> > nodeLabelWriter; |
---|
895 | }; |
---|
896 | |
---|
897 | /// \ingroup section_io |
---|
898 | /// \brief SectionWriter for writing a undirected edgeset. |
---|
899 | /// |
---|
900 | /// The lemon format can store multiple undirected edgesets with several |
---|
901 | /// maps. The undirected edgeset section's header line is \c \@uedgeset |
---|
902 | /// \c uedgeset_name, but the \c uedgeset_name may be empty. |
---|
903 | /// |
---|
904 | /// The first line of the section contains the names of the maps separated |
---|
905 | /// with white spaces. Each next lines describes an undirected edge in the |
---|
906 | /// edgeset. The line contains the two connected nodes' label and the mapped |
---|
907 | /// values for each undirected map. |
---|
908 | /// |
---|
909 | /// The section can handle the directed as a syntactical sugar. Two |
---|
910 | /// undirected edge map describes one directed edge map. This two maps |
---|
911 | /// are the forward map and the backward map and the names of this map |
---|
912 | /// is near the same just with a prefix \c '+' or \c '-' character |
---|
913 | /// difference. |
---|
914 | /// |
---|
915 | /// If the edgeset contains an \c "label" named map then it will be |
---|
916 | /// regarded as label map. This map should contain only unique |
---|
917 | /// values and when the \c writeLabel() member will be called with |
---|
918 | /// an undirected edge it will write it's label. Otherwise if the \c |
---|
919 | /// _forceLabelMap constructor parameter is true then the label map |
---|
920 | /// will be the id in the graph. In addition if the the \c |
---|
921 | /// _forceSort is true then the writer will write the edges sorted |
---|
922 | /// by the labels. |
---|
923 | /// |
---|
924 | /// The undirected edgeset writer needs a node label writer to identify |
---|
925 | /// which nodes have to be connected. If a NodeSetWriter can write the |
---|
926 | /// nodes' label, it will be able to use with this class. |
---|
927 | /// |
---|
928 | /// \relates LemonWriter |
---|
929 | template <typename _Graph, typename _Traits = DefaultWriterTraits> |
---|
930 | class UEdgeSetWriter : public LemonWriter::SectionWriter { |
---|
931 | typedef LemonWriter::SectionWriter Parent; |
---|
932 | public: |
---|
933 | |
---|
934 | typedef _Graph Graph; |
---|
935 | typedef _Traits Traits; |
---|
936 | typedef typename Graph::Node Node; |
---|
937 | typedef typename Graph::Edge Edge; |
---|
938 | typedef typename Graph::UEdge UEdge; |
---|
939 | |
---|
940 | /// \brief Constructor. |
---|
941 | /// |
---|
942 | /// Constructor for UEdgeSetWriter. It creates the UEdgeSetWriter |
---|
943 | /// and attach it into the given LemonWriter. It will write node |
---|
944 | /// labels by the \c _nodeLabelWriter. If the \c _forceLabelMap |
---|
945 | /// parameter is true then the writer will write own label map if |
---|
946 | /// the user does not give "label" named map. In addition if the |
---|
947 | /// the \c _forceSort is true then the writer will write the |
---|
948 | /// edges sorted by the labels. |
---|
949 | template <typename NodeLabelWriter> |
---|
950 | UEdgeSetWriter(LemonWriter& _writer, const Graph& _graph, |
---|
951 | const NodeLabelWriter& _nodeLabelWriter, |
---|
952 | const std::string& _name = std::string(), |
---|
953 | bool _forceLabelMap = true, bool _forceSort = true) |
---|
954 | : Parent(_writer), labelMap(0), forceLabelMap(_forceLabelMap), |
---|
955 | forceSort(_forceSort), graph(_graph), name(_name) { |
---|
956 | checkConcept<_writer_bits::ItemLabelWriter<Node>, NodeLabelWriter>(); |
---|
957 | nodeLabelWriter.reset(new _writer_bits:: |
---|
958 | LabelWriter<Node, NodeLabelWriter>(_nodeLabelWriter)); |
---|
959 | } |
---|
960 | |
---|
961 | /// \brief Destructor. |
---|
962 | /// |
---|
963 | /// Destructor for UEdgeSetWriter. |
---|
964 | virtual ~UEdgeSetWriter() { |
---|
965 | typename MapWriters::iterator it; |
---|
966 | for (it = writers.begin(); it != writers.end(); ++it) { |
---|
967 | delete it->second; |
---|
968 | } |
---|
969 | } |
---|
970 | |
---|
971 | private: |
---|
972 | UEdgeSetWriter(const UEdgeSetWriter&); |
---|
973 | void operator=(const UEdgeSetWriter&); |
---|
974 | |
---|
975 | public: |
---|
976 | |
---|
977 | /// \brief Add a new undirected edge map writer command for the writer. |
---|
978 | /// |
---|
979 | /// Add a new undirected map writer command for the writer. |
---|
980 | template <typename Map> |
---|
981 | UEdgeSetWriter& writeUEdgeMap(std::string label, const Map& map) { |
---|
982 | return writeUEdgeMap<typename Traits:: |
---|
983 | template Writer<typename Map::Value>, Map>(label, map); |
---|
984 | } |
---|
985 | |
---|
986 | /// \brief Add a new undirected map writer command for the writer. |
---|
987 | /// |
---|
988 | /// Add a new undirected map writer command for the writer. |
---|
989 | template <typename ItemWriter, typename Map> |
---|
990 | UEdgeSetWriter& writeUEdgeMap(std::string label, const Map& map, |
---|
991 | const ItemWriter& iw = ItemWriter()) { |
---|
992 | checkConcept<concepts::ReadMap<UEdge, typename Map::Value>, Map>(); |
---|
993 | checkConcept<_writer_bits::ItemWriter<typename Map::Value>, ItemWriter>(); |
---|
994 | writers.push_back( |
---|
995 | make_pair(label, new _writer_bits:: |
---|
996 | UEdgeMapWriter<Graph, Map, ItemWriter>(map, iw))); |
---|
997 | return *this; |
---|
998 | } |
---|
999 | |
---|
1000 | /// \brief Add a new directed edge map writer command for the writer. |
---|
1001 | /// |
---|
1002 | /// Add a new directed map writer command for the writer. |
---|
1003 | template <typename Map> |
---|
1004 | UEdgeSetWriter& writeEdgeMap(std::string label, const Map& map) { |
---|
1005 | return writeEdgeMap<typename Traits:: |
---|
1006 | template Writer<typename Map::Value>, Map>(label, map); |
---|
1007 | } |
---|
1008 | |
---|
1009 | /// \brief Add a new directed map writer command for the writer. |
---|
1010 | /// |
---|
1011 | /// Add a new directed map writer command for the writer. |
---|
1012 | template <typename ItemWriter, typename Map> |
---|
1013 | UEdgeSetWriter& writeEdgeMap(std::string label, const Map& map, |
---|
1014 | const ItemWriter& iw = ItemWriter()) { |
---|
1015 | checkConcept<concepts::ReadMap<Edge, typename Map::Value>, Map>(); |
---|
1016 | checkConcept<_writer_bits::ItemWriter<typename Map::Value>, ItemWriter>(); |
---|
1017 | writeUEdgeMap("+" + label, |
---|
1018 | _writer_bits::forwardComposeMap(graph, map), iw); |
---|
1019 | writeUEdgeMap("-" + label, |
---|
1020 | _writer_bits::backwardComposeMap(graph, map), iw); |
---|
1021 | return *this; |
---|
1022 | } |
---|
1023 | |
---|
1024 | protected: |
---|
1025 | |
---|
1026 | /// \brief The header of the section. |
---|
1027 | /// |
---|
1028 | /// It gives back the header of the section. |
---|
1029 | virtual std::string header() { |
---|
1030 | return "@uedgeset " + name; |
---|
1031 | } |
---|
1032 | |
---|
1033 | /// \brief Writer function of the section. |
---|
1034 | /// |
---|
1035 | /// Write the content of the section. |
---|
1036 | virtual void write(std::ostream& os) { |
---|
1037 | if (!nodeLabelWriter->isLabelWriter()) { |
---|
1038 | throw DataFormatError("Cannot find nodeset or label map"); |
---|
1039 | } |
---|
1040 | for (int i = 0; i < int(writers.size()); ++i) { |
---|
1041 | if (writers[i].first == "label") { |
---|
1042 | labelMap = writers[i].second; |
---|
1043 | forceLabelMap = false; |
---|
1044 | break; |
---|
1045 | } |
---|
1046 | } |
---|
1047 | std::vector<UEdge> items; |
---|
1048 | for (typename Graph::UEdgeIt it(graph); it != INVALID; ++it) { |
---|
1049 | items.push_back(it); |
---|
1050 | } |
---|
1051 | if (forceSort) { |
---|
1052 | if (labelMap) { |
---|
1053 | labelMap->sort(items); |
---|
1054 | } else { |
---|
1055 | typedef IdMap<Graph, UEdge> Map; |
---|
1056 | Map map(graph); |
---|
1057 | _writer_bits::ComposeLess<Map> less(map); |
---|
1058 | std::sort(items.begin(), items.end(), less); |
---|
1059 | } |
---|
1060 | } |
---|
1061 | os << "\t\t"; |
---|
1062 | if (forceLabelMap) { |
---|
1063 | os << "label\t"; |
---|
1064 | } |
---|
1065 | for (int i = 0; i < int(writers.size()); ++i) { |
---|
1066 | os << writers[i].first << '\t'; |
---|
1067 | } |
---|
1068 | os << std::endl; |
---|
1069 | for (typename std::vector<UEdge>::iterator it = items.begin(); |
---|
1070 | it != items.end(); ++it) { |
---|
1071 | nodeLabelWriter->write(os, graph.source(*it)); |
---|
1072 | os << '\t'; |
---|
1073 | nodeLabelWriter->write(os, graph.target(*it)); |
---|
1074 | os << '\t'; |
---|
1075 | if (forceLabelMap) { |
---|
1076 | os << graph.id(*it) << '\t'; |
---|
1077 | } |
---|
1078 | for (int i = 0; i < int(writers.size()); ++i) { |
---|
1079 | writers[i].second->write(os, *it); |
---|
1080 | os << '\t'; |
---|
1081 | } |
---|
1082 | os << std::endl; |
---|
1083 | } |
---|
1084 | } |
---|
1085 | |
---|
1086 | public: |
---|
1087 | |
---|
1088 | /// \brief Returns true if the undirected edgeset can write the labels of |
---|
1089 | /// the edges. |
---|
1090 | /// |
---|
1091 | /// Returns true if the undirected edgeset can write the labels of the |
---|
1092 | /// undirected edges. It is possible only if a "label" named map was |
---|
1093 | /// written or the \c _forceLabelMap constructor parameter was true. |
---|
1094 | bool isLabelWriter() const { |
---|
1095 | return forceLabelMap || labelMap != 0; |
---|
1096 | } |
---|
1097 | |
---|
1098 | /// \brief Write the label of the given undirected edge. |
---|
1099 | /// |
---|
1100 | /// It writes the label of the given undirected edge. If there was written |
---|
1101 | /// a "label" named map then it will write the map value belongs to the |
---|
1102 | /// undirected edge. Otherwise if the \c forceLabel parameter was true it |
---|
1103 | /// will write its id in the graph. |
---|
1104 | void writeLabel(std::ostream& os, const UEdge& item) const { |
---|
1105 | if (forceLabelMap) { |
---|
1106 | os << graph.id(item); |
---|
1107 | } else { |
---|
1108 | labelMap->write(os, item); |
---|
1109 | } |
---|
1110 | } |
---|
1111 | |
---|
1112 | /// \brief Write the label of the given edge. |
---|
1113 | /// |
---|
1114 | /// It writes the label of the given edge. If there was written |
---|
1115 | /// a "label" named map then it will write the map value belongs to the |
---|
1116 | /// edge. Otherwise if the \c forceLabel parameter was true it |
---|
1117 | /// will write its id in the graph. If the edge is forward map |
---|
1118 | /// then its prefix character is \c '+' elsewhere \c '-'. |
---|
1119 | void writeLabel(std::ostream& os, const Edge& item) const { |
---|
1120 | if (graph.direction(item)) { |
---|
1121 | os << "+"; |
---|
1122 | } else { |
---|
1123 | os << "-"; |
---|
1124 | } |
---|
1125 | if (forceLabelMap) { |
---|
1126 | os << graph.id(static_cast<const UEdge&>(item)); |
---|
1127 | } else { |
---|
1128 | labelMap->write(os, item); |
---|
1129 | } |
---|
1130 | } |
---|
1131 | |
---|
1132 | /// \brief Sorts the given undirected edge vector by label. |
---|
1133 | /// |
---|
1134 | /// Sorts the given undirected edge vector by label. If there was |
---|
1135 | /// written a "label" named map then the vector will be sorted by |
---|
1136 | /// the values of this map. Otherwise if the \c forceLabel |
---|
1137 | /// parameter was true it will be sorted by its id in the graph. |
---|
1138 | void sortByLabel(std::vector<UEdge>& uedges) const { |
---|
1139 | if (labelMap) { |
---|
1140 | labelMap->sort(uedges); |
---|
1141 | } else { |
---|
1142 | typedef IdMap<Graph, UEdge> Map; |
---|
1143 | Map map(graph); |
---|
1144 | _writer_bits::ComposeLess<Map> less(map); |
---|
1145 | std::sort(uedges.begin(), uedges.end(), less); |
---|
1146 | } |
---|
1147 | } |
---|
1148 | |
---|
1149 | /// \brief Sorts the given edge vector by label. |
---|
1150 | /// |
---|
1151 | /// Sorts the given edge vector by label. If there was written a |
---|
1152 | /// "label" named map then the vector will be sorted by the values |
---|
1153 | /// of this map. Otherwise if the \c forceLabel parameter was true |
---|
1154 | /// it will be sorted by its id in the graph. |
---|
1155 | void sortByLabel(std::vector<Edge>& edges) const { |
---|
1156 | if (labelMap) { |
---|
1157 | labelMap->sort(graph, edges); |
---|
1158 | } else { |
---|
1159 | typedef IdMap<Graph, Edge> Map; |
---|
1160 | Map map(graph); |
---|
1161 | _writer_bits::ComposeLess<Map> less(map); |
---|
1162 | std::sort(edges.begin(), edges.end(), less); |
---|
1163 | } |
---|
1164 | } |
---|
1165 | |
---|
1166 | private: |
---|
1167 | |
---|
1168 | typedef std::vector<std::pair<std::string, _writer_bits:: |
---|
1169 | UEdgeMapWriterBase<Graph>*> > MapWriters; |
---|
1170 | MapWriters writers; |
---|
1171 | |
---|
1172 | _writer_bits::UEdgeMapWriterBase<Graph>* labelMap; |
---|
1173 | bool forceLabelMap; |
---|
1174 | bool forceSort; |
---|
1175 | |
---|
1176 | const Graph& graph; |
---|
1177 | std::string name; |
---|
1178 | |
---|
1179 | std::auto_ptr<_writer_bits::LabelWriterBase<Node> > nodeLabelWriter; |
---|
1180 | }; |
---|
1181 | |
---|
1182 | /// \ingroup section_io |
---|
1183 | /// \brief SectionWriter for writing named nodes. |
---|
1184 | /// |
---|
1185 | /// The nodes section's header line is \c \@nodes \c nodes_name, but the |
---|
1186 | /// \c nodes_name may be empty. |
---|
1187 | /// |
---|
1188 | /// Each line in the section contains the name of the node and |
---|
1189 | /// then the node label. |
---|
1190 | /// |
---|
1191 | /// \relates LemonWriter |
---|
1192 | template <typename _Graph> |
---|
1193 | class NodeWriter : public LemonWriter::SectionWriter { |
---|
1194 | typedef LemonWriter::SectionWriter Parent; |
---|
1195 | typedef _Graph Graph; |
---|
1196 | typedef typename Graph::Node Node; |
---|
1197 | public: |
---|
1198 | |
---|
1199 | /// \brief Constructor. |
---|
1200 | /// |
---|
1201 | /// Constructor for NodeWriter. It creates the NodeWriter and |
---|
1202 | /// attach it into the given LemonWriter. The given \c _LabelWriter |
---|
1203 | /// will write the nodes' label what can be a nodeset writer. |
---|
1204 | template <typename _LabelWriter> |
---|
1205 | NodeWriter(LemonWriter& _writer, const _LabelWriter& _labelWriter, |
---|
1206 | const std::string& _name = std::string()) |
---|
1207 | : Parent(_writer), name(_name) { |
---|
1208 | checkConcept<_writer_bits::ItemLabelWriter<Node>, _LabelWriter>(); |
---|
1209 | labelWriter.reset(new _writer_bits::LabelWriter<Node, _LabelWriter> |
---|
1210 | (_labelWriter)); |
---|
1211 | } |
---|
1212 | |
---|
1213 | |
---|
1214 | /// \brief Destructor. |
---|
1215 | /// |
---|
1216 | /// Destructor for NodeWriter. |
---|
1217 | virtual ~NodeWriter() {} |
---|
1218 | |
---|
1219 | private: |
---|
1220 | NodeWriter(const NodeWriter&); |
---|
1221 | void operator=(const NodeWriter&); |
---|
1222 | |
---|
1223 | public: |
---|
1224 | |
---|
1225 | /// \brief Add a node writer command for the NodeWriter. |
---|
1226 | /// |
---|
1227 | /// Add a node writer command for the NodeWriter. |
---|
1228 | void writeNode(std::string label, const Node& item) { |
---|
1229 | writers.push_back(make_pair(label, &item)); |
---|
1230 | } |
---|
1231 | |
---|
1232 | protected: |
---|
1233 | |
---|
1234 | /// \brief The header of the section. |
---|
1235 | /// |
---|
1236 | /// It gives back the header of the section. |
---|
1237 | virtual std::string header() { |
---|
1238 | return "@nodes " + name; |
---|
1239 | } |
---|
1240 | |
---|
1241 | /// \brief Writer function of the section. |
---|
1242 | /// |
---|
1243 | /// Write the content of the section. |
---|
1244 | virtual void write(std::ostream& os) { |
---|
1245 | if (!labelWriter->isLabelWriter()) { |
---|
1246 | throw DataFormatError("Cannot find nodeset or label map"); |
---|
1247 | } |
---|
1248 | for (int i = 0; i < int(writers.size()); ++i) { |
---|
1249 | os << writers[i].first << ' '; |
---|
1250 | labelWriter->write(os, *(writers[i].second)); |
---|
1251 | os << std::endl; |
---|
1252 | } |
---|
1253 | } |
---|
1254 | |
---|
1255 | /// \brief Gives back true when the section should be written. |
---|
1256 | /// |
---|
1257 | /// Gives back true when the section should be written. |
---|
1258 | virtual bool valid() { return !writers.empty(); } |
---|
1259 | |
---|
1260 | private: |
---|
1261 | |
---|
1262 | std::string name; |
---|
1263 | |
---|
1264 | typedef std::vector<std::pair<std::string, const Node*> > NodeWriters; |
---|
1265 | NodeWriters writers; |
---|
1266 | std::auto_ptr<_writer_bits::LabelWriterBase<Node> > labelWriter; |
---|
1267 | }; |
---|
1268 | |
---|
1269 | /// \ingroup section_io |
---|
1270 | /// \brief SectionWriter for writing named edges. |
---|
1271 | /// |
---|
1272 | /// The edges section's header line is \c \@edges \c edges_name, but the |
---|
1273 | /// \c edges_name may be empty. |
---|
1274 | /// |
---|
1275 | /// Each line in the section contains the name of the edge and |
---|
1276 | /// then the edge label. |
---|
1277 | /// |
---|
1278 | /// \relates LemonWriter |
---|
1279 | template <typename _Graph> |
---|
1280 | class EdgeWriter : public LemonWriter::SectionWriter { |
---|
1281 | typedef LemonWriter::SectionWriter Parent; |
---|
1282 | typedef _Graph Graph; |
---|
1283 | typedef typename Graph::Edge Edge; |
---|
1284 | public: |
---|
1285 | |
---|
1286 | /// \brief Constructor. |
---|
1287 | /// |
---|
1288 | /// Constructor for EdgeWriter. It creates the EdgeWriter and |
---|
1289 | /// attach it into the given LemonWriter. The given \c _LabelWriter |
---|
1290 | /// will write the edges' label what can be a edgeset writer. |
---|
1291 | template <typename _LabelWriter> |
---|
1292 | EdgeWriter(LemonWriter& _writer, const _LabelWriter& _labelWriter, |
---|
1293 | const std::string& _name = std::string()) |
---|
1294 | : Parent(_writer), name(_name) { |
---|
1295 | checkConcept<_writer_bits::ItemLabelWriter<Edge>, _LabelWriter>(); |
---|
1296 | labelWriter.reset(new _writer_bits::LabelWriter<Edge, _LabelWriter>(_labelWriter)); |
---|
1297 | } |
---|
1298 | |
---|
1299 | /// \brief Destructor. |
---|
1300 | /// |
---|
1301 | /// Destructor for EdgeWriter. |
---|
1302 | virtual ~EdgeWriter() {} |
---|
1303 | private: |
---|
1304 | EdgeWriter(const EdgeWriter&); |
---|
1305 | void operator=(const EdgeWriter&); |
---|
1306 | |
---|
1307 | public: |
---|
1308 | |
---|
1309 | /// \brief Add an edge writer command for the EdgeWriter. |
---|
1310 | /// |
---|
1311 | /// Add an edge writer command for the EdgeWriter. |
---|
1312 | void writeEdge(std::string label, const Edge& item) { |
---|
1313 | writers.push_back(make_pair(label, &item)); |
---|
1314 | } |
---|
1315 | |
---|
1316 | protected: |
---|
1317 | |
---|
1318 | /// \brief The header of the section. |
---|
1319 | /// |
---|
1320 | /// It gives back the header of the section. |
---|
1321 | virtual std::string header() { |
---|
1322 | return "@edges " + name; |
---|
1323 | } |
---|
1324 | |
---|
1325 | /// \brief Writer function of the section. |
---|
1326 | /// |
---|
1327 | /// Write the content of the section. |
---|
1328 | virtual void write(std::ostream& os) { |
---|
1329 | if (!labelWriter->isLabelWriter()) { |
---|
1330 | throw DataFormatError("Cannot find edgeset or label map"); |
---|
1331 | } |
---|
1332 | for (int i = 0; i < int(writers.size()); ++i) { |
---|
1333 | os << writers[i].first << ' '; |
---|
1334 | labelWriter->write(os, *(writers[i].second)); |
---|
1335 | os << std::endl; |
---|
1336 | } |
---|
1337 | } |
---|
1338 | |
---|
1339 | /// \brief Gives back true when the section should be written. |
---|
1340 | /// |
---|
1341 | /// Gives back true when the section should be written. |
---|
1342 | virtual bool valid() { return !writers.empty(); } |
---|
1343 | |
---|
1344 | private: |
---|
1345 | |
---|
1346 | std::string name; |
---|
1347 | |
---|
1348 | typedef std::vector<std::pair<std::string, const Edge*> > EdgeWriters; |
---|
1349 | EdgeWriters writers; |
---|
1350 | |
---|
1351 | std::auto_ptr<_writer_bits::LabelWriterBase<Edge> > labelWriter; |
---|
1352 | }; |
---|
1353 | |
---|
1354 | |
---|
1355 | /// \ingroup section_io |
---|
1356 | /// \brief SectionWriter for writing named undirected edges. |
---|
1357 | /// |
---|
1358 | /// The undirected edges section's header line is \c \@uedges |
---|
1359 | /// \c uedges_name, but the \c uedges_name may be empty. |
---|
1360 | /// |
---|
1361 | /// Each line in the section contains the name of the undirected edge and |
---|
1362 | /// then the undirected edge label. |
---|
1363 | /// |
---|
1364 | /// \relates LemonWriter |
---|
1365 | template <typename _Graph> |
---|
1366 | class UEdgeWriter : public LemonWriter::SectionWriter { |
---|
1367 | typedef LemonWriter::SectionWriter Parent; |
---|
1368 | typedef _Graph Graph; |
---|
1369 | typedef typename Graph::Node Node; |
---|
1370 | typedef typename Graph::Edge Edge; |
---|
1371 | typedef typename Graph::UEdge UEdge; |
---|
1372 | public: |
---|
1373 | |
---|
1374 | /// \brief Constructor. |
---|
1375 | /// |
---|
1376 | /// Constructor for UEdgeWriter. It creates the UEdgeWriter and |
---|
1377 | /// attach it into the given LemonWriter. The given \c _LabelWriter |
---|
1378 | /// will write the undirected edges' label what can be an undirected |
---|
1379 | /// edgeset writer. |
---|
1380 | template <typename _LabelWriter> |
---|
1381 | UEdgeWriter(LemonWriter& _writer, const _LabelWriter& _labelWriter, |
---|
1382 | const std::string& _name = std::string()) |
---|
1383 | : Parent(_writer), name(_name) { |
---|
1384 | checkConcept<_writer_bits::ItemLabelWriter<Edge>, _LabelWriter>(); |
---|
1385 | checkConcept<_writer_bits::ItemLabelWriter<UEdge>, _LabelWriter>(); |
---|
1386 | uEdgeLabelWriter.reset(new _writer_bits:: |
---|
1387 | LabelWriter<UEdge, _LabelWriter>(_labelWriter)); |
---|
1388 | edgeLabelWriter.reset(new _writer_bits:: |
---|
1389 | LabelWriter<Edge, _LabelWriter>(_labelWriter)); |
---|
1390 | } |
---|
1391 | |
---|
1392 | /// \brief Destructor. |
---|
1393 | /// |
---|
1394 | /// Destructor for UEdgeWriter. |
---|
1395 | virtual ~UEdgeWriter() {} |
---|
1396 | private: |
---|
1397 | UEdgeWriter(const UEdgeWriter&); |
---|
1398 | void operator=(const UEdgeWriter&); |
---|
1399 | |
---|
1400 | public: |
---|
1401 | |
---|
1402 | /// \brief Add an edge writer command for the UEdgeWriter. |
---|
1403 | /// |
---|
1404 | /// Add an edge writer command for the UEdgeWriter. |
---|
1405 | void writeEdge(std::string label, const Edge& item) { |
---|
1406 | edgeWriters.push_back(make_pair(label, &item)); |
---|
1407 | } |
---|
1408 | |
---|
1409 | /// \brief Add an undirected edge writer command for the UEdgeWriter. |
---|
1410 | /// |
---|
1411 | /// Add an undirected edge writer command for the UEdgeWriter. |
---|
1412 | void writeUEdge(std::string label, const UEdge& item) { |
---|
1413 | uEdgeWriters.push_back(make_pair(label, &item)); |
---|
1414 | } |
---|
1415 | |
---|
1416 | protected: |
---|
1417 | |
---|
1418 | /// \brief The header of the section. |
---|
1419 | /// |
---|
1420 | /// It gives back the header of the section. |
---|
1421 | virtual std::string header() { |
---|
1422 | return "@uedges " + name; |
---|
1423 | } |
---|
1424 | |
---|
1425 | /// \brief Writer function of the section. |
---|
1426 | /// |
---|
1427 | /// Write the content of the section. |
---|
1428 | virtual void write(std::ostream& os) { |
---|
1429 | if (!edgeLabelWriter->isLabelWriter()) { |
---|
1430 | throw DataFormatError("Cannot find undirected edgeset or label map"); |
---|
1431 | } |
---|
1432 | if (!uEdgeLabelWriter->isLabelWriter()) { |
---|
1433 | throw DataFormatError("Cannot find undirected edgeset or label map"); |
---|
1434 | } |
---|
1435 | for (int i = 0; i < int(uEdgeWriters.size()); ++i) { |
---|
1436 | os << uEdgeWriters[i].first << ' '; |
---|
1437 | uEdgeLabelWriter->write(os, *(uEdgeWriters[i].second)); |
---|
1438 | os << std::endl; |
---|
1439 | } |
---|
1440 | for (int i = 0; i < int(edgeWriters.size()); ++i) { |
---|
1441 | os << edgeWriters[i].first << ' '; |
---|
1442 | edgeLabelWriter->write(os, *(edgeWriters[i].second)); |
---|
1443 | os << std::endl; |
---|
1444 | } |
---|
1445 | } |
---|
1446 | |
---|
1447 | /// \brief Gives back true when the section should be written. |
---|
1448 | /// |
---|
1449 | /// Gives back true when the section should be written. |
---|
1450 | virtual bool valid() { |
---|
1451 | return !uEdgeWriters.empty() || !edgeWriters.empty(); |
---|
1452 | } |
---|
1453 | |
---|
1454 | private: |
---|
1455 | |
---|
1456 | std::string name; |
---|
1457 | |
---|
1458 | typedef std::vector<std::pair<std::string, |
---|
1459 | const UEdge*> > UEdgeWriters; |
---|
1460 | UEdgeWriters uEdgeWriters; |
---|
1461 | std::auto_ptr<_writer_bits::LabelWriterBase<UEdge> > uEdgeLabelWriter; |
---|
1462 | |
---|
1463 | typedef std::vector<std::pair<std::string, const Edge*> > EdgeWriters; |
---|
1464 | EdgeWriters edgeWriters; |
---|
1465 | std::auto_ptr<_writer_bits::LabelWriterBase<Edge> > edgeLabelWriter; |
---|
1466 | |
---|
1467 | }; |
---|
1468 | |
---|
1469 | /// \ingroup section_io |
---|
1470 | /// \brief SectionWriter for writing extra node maps. |
---|
1471 | /// |
---|
1472 | /// The lemon format can store maps in the nodeset. This class let |
---|
1473 | /// you make distinict section to store maps. The main purpose of |
---|
1474 | /// this class is a logical separation of some maps. The other |
---|
1475 | /// useful application could be to store paths in node maps. |
---|
1476 | /// |
---|
1477 | /// The first line of the section contains the names of the maps |
---|
1478 | /// separated with white spaces. Each next line describes an item |
---|
1479 | /// in the itemset, and contains in the first column the label of |
---|
1480 | /// the item and then the mapped values for each map. |
---|
1481 | /// |
---|
1482 | /// \relates LemonWriter |
---|
1483 | template <typename _Graph, typename _Traits = DefaultWriterTraits> |
---|
1484 | class NodeMapWriter : public LemonWriter::SectionWriter { |
---|
1485 | typedef LemonWriter::SectionWriter Parent; |
---|
1486 | public: |
---|
1487 | |
---|
1488 | typedef _Graph Graph; |
---|
1489 | typedef _Traits Traits; |
---|
1490 | typedef typename Graph::Node Node; |
---|
1491 | |
---|
1492 | /// \brief Constructor. |
---|
1493 | /// |
---|
1494 | /// Constructor for NodeMapWriter. It creates the NodeMapWriter and |
---|
1495 | /// attach it into the given LemonWriter. If the the |
---|
1496 | /// \c _forceSort is true then the writer will write the edges |
---|
1497 | /// sorted by the labels. |
---|
1498 | template <typename _LabelWriter> |
---|
1499 | NodeMapWriter(LemonWriter& _writer, const Graph& _graph, |
---|
1500 | const _LabelWriter& _labelWriter, |
---|
1501 | const std::string& _name = std::string(), |
---|
1502 | bool _forceSort = true) |
---|
1503 | : Parent(_writer), graph(_graph), name(_name), forceSort(_forceSort) { |
---|
1504 | checkConcept<_writer_bits::ItemLabelWriter<Node>, _LabelWriter>(); |
---|
1505 | labelWriter.reset(new _writer_bits::LabelWriter<Node, |
---|
1506 | _LabelWriter>(_labelWriter)); |
---|
1507 | } |
---|
1508 | |
---|
1509 | /// \brief Destructor. |
---|
1510 | /// |
---|
1511 | /// Destructor for NodeMapWriter. |
---|
1512 | virtual ~NodeMapWriter() { |
---|
1513 | typename MapWriters::iterator it; |
---|
1514 | for (it = writers.begin(); it != writers.end(); ++it) { |
---|
1515 | delete it->second; |
---|
1516 | } |
---|
1517 | } |
---|
1518 | |
---|
1519 | private: |
---|
1520 | NodeMapWriter(const NodeMapWriter&); |
---|
1521 | void operator=(const NodeMapWriter&); |
---|
1522 | |
---|
1523 | public: |
---|
1524 | |
---|
1525 | /// \brief Add a new node map writer command for the writer. |
---|
1526 | /// |
---|
1527 | /// Add a new node map writer command for the writer. |
---|
1528 | template <typename Map> |
---|
1529 | NodeMapWriter& writeNodeMap(std::string label, const Map& map) { |
---|
1530 | return writeNodeMap<typename Traits:: |
---|
1531 | template Writer<typename Map::Value>, Map>(label, map); |
---|
1532 | } |
---|
1533 | |
---|
1534 | /// \brief Add a new node map writer command for the writer. |
---|
1535 | /// |
---|
1536 | /// Add a new node map writer command for the writer. |
---|
1537 | template <typename ItemWriter, typename Map> |
---|
1538 | NodeMapWriter& writeNodeMap(std::string label, const Map& map, |
---|
1539 | const ItemWriter& iw = ItemWriter()) { |
---|
1540 | checkConcept<concepts::ReadMap<Node, typename Map::Value>, Map>(); |
---|
1541 | checkConcept<_writer_bits::ItemWriter<typename Map::Value>,ItemWriter>(); |
---|
1542 | writers.push_back( |
---|
1543 | make_pair(label, new _writer_bits:: |
---|
1544 | MapWriter<Node, Map, ItemWriter>(map, iw))); |
---|
1545 | return *this; |
---|
1546 | } |
---|
1547 | |
---|
1548 | protected: |
---|
1549 | |
---|
1550 | /// \brief The header of the section. |
---|
1551 | /// |
---|
1552 | /// It gives back the header of the section. |
---|
1553 | virtual std::string header() { |
---|
1554 | return "@nodemaps " + name; |
---|
1555 | } |
---|
1556 | |
---|
1557 | /// \brief Writer function of the section. |
---|
1558 | /// |
---|
1559 | /// Write the content of the section. |
---|
1560 | virtual void write(std::ostream& os) { |
---|
1561 | std::vector<Node> nodes; |
---|
1562 | for (typename Graph::NodeIt it(graph); it != INVALID; ++it) { |
---|
1563 | nodes.push_back(it); |
---|
1564 | } |
---|
1565 | if (forceSort) { |
---|
1566 | labelWriter->sort(nodes); |
---|
1567 | } |
---|
1568 | os << '\t'; |
---|
1569 | for (int i = 0; i < int(writers.size()); ++i) { |
---|
1570 | os << writers[i].first << '\t'; |
---|
1571 | } |
---|
1572 | os << std::endl; |
---|
1573 | for (typename std::vector<Node>::iterator it = nodes.begin(); |
---|
1574 | it != nodes.end(); ++it) { |
---|
1575 | |
---|
1576 | labelWriter->write(os, *it); os << '\t'; |
---|
1577 | for (int i = 0; i < int(writers.size()); ++i) { |
---|
1578 | writers[i].second->write(os, *it); |
---|
1579 | os << '\t'; |
---|
1580 | } |
---|
1581 | os << std::endl; |
---|
1582 | } |
---|
1583 | } |
---|
1584 | |
---|
1585 | |
---|
1586 | private: |
---|
1587 | |
---|
1588 | typedef std::vector<std::pair<std::string, _writer_bits:: |
---|
1589 | MapWriterBase<Node>*> > MapWriters; |
---|
1590 | MapWriters writers; |
---|
1591 | |
---|
1592 | _writer_bits::MapWriterBase<Node>* labelMap; |
---|
1593 | |
---|
1594 | const Graph& graph; |
---|
1595 | std::string name; |
---|
1596 | bool forceSort; |
---|
1597 | |
---|
1598 | std::auto_ptr<_writer_bits::LabelWriterBase<Node> > labelWriter; |
---|
1599 | }; |
---|
1600 | |
---|
1601 | /// \ingroup section_io |
---|
1602 | /// \brief SectionWriter for writing extra edge maps. |
---|
1603 | /// |
---|
1604 | /// The lemon format can store maps in the edgeset. This class let |
---|
1605 | /// you make distinict section to store maps. The main purpose of |
---|
1606 | /// this class is a logical separation of some maps. The other |
---|
1607 | /// useful application could be to store paths in edge maps. |
---|
1608 | /// |
---|
1609 | /// The first line of the section contains the names of the maps |
---|
1610 | /// separated with white spaces. Each next line describes an item |
---|
1611 | /// in the itemset, and contains in the first column the label of |
---|
1612 | /// the item and then the mapped values for each map. |
---|
1613 | /// |
---|
1614 | /// \relates LemonWriter |
---|
1615 | template <typename _Graph, typename _Traits = DefaultWriterTraits> |
---|
1616 | class EdgeMapWriter : public LemonWriter::SectionWriter { |
---|
1617 | typedef LemonWriter::SectionWriter Parent; |
---|
1618 | public: |
---|
1619 | |
---|
1620 | typedef _Graph Graph; |
---|
1621 | typedef _Traits Traits; |
---|
1622 | typedef typename Graph::Edge Edge; |
---|
1623 | |
---|
1624 | /// \brief Constructor. |
---|
1625 | /// |
---|
1626 | /// Constructor for EdgeMapWriter. It creates the EdgeMapWriter and |
---|
1627 | /// attach it into the given LemonWriter. If the the |
---|
1628 | /// \c _forceSort is true then the writer will write the edges |
---|
1629 | /// sorted by the labels. |
---|
1630 | template <typename _LabelWriter> |
---|
1631 | EdgeMapWriter(LemonWriter& _writer, const Graph& _graph, |
---|
1632 | const _LabelWriter& _labelWriter, |
---|
1633 | const std::string& _name = std::string(), |
---|
1634 | bool _forceSort = true) |
---|
1635 | : Parent(_writer), graph(_graph), name(_name), forceSort(_forceSort) { |
---|
1636 | checkConcept<_writer_bits::ItemLabelWriter<Edge>, _LabelWriter>(); |
---|
1637 | labelWriter.reset(new _writer_bits::LabelWriter<Edge, |
---|
1638 | _LabelWriter>(_labelWriter)); |
---|
1639 | } |
---|
1640 | |
---|
1641 | /// \brief Destructor. |
---|
1642 | /// |
---|
1643 | /// Destructor for EdgeMapWriter. |
---|
1644 | virtual ~EdgeMapWriter() { |
---|
1645 | typename MapWriters::iterator it; |
---|
1646 | for (it = writers.begin(); it != writers.end(); ++it) { |
---|
1647 | delete it->second; |
---|
1648 | } |
---|
1649 | } |
---|
1650 | |
---|
1651 | private: |
---|
1652 | EdgeMapWriter(const EdgeMapWriter&); |
---|
1653 | void operator=(const EdgeMapWriter&); |
---|
1654 | |
---|
1655 | public: |
---|
1656 | |
---|
1657 | /// \brief Add a new edge map writer command for the writer. |
---|
1658 | /// |
---|
1659 | /// Add a new edge map writer command for the writer. |
---|
1660 | template <typename Map> |
---|
1661 | EdgeMapWriter& writeEdgeMap(std::string label, const Map& map) { |
---|
1662 | return writeEdgeMap<typename Traits:: |
---|
1663 | template Writer<typename Map::Value>, Map>(label, map); |
---|
1664 | } |
---|
1665 | |
---|
1666 | /// \brief Add a new edge map writer command for the writer. |
---|
1667 | /// |
---|
1668 | /// Add a new edge map writer command for the writer. |
---|
1669 | template <typename ItemWriter, typename Map> |
---|
1670 | EdgeMapWriter& writeEdgeMap(std::string label, const Map& map, |
---|
1671 | const ItemWriter& iw = ItemWriter()) { |
---|
1672 | checkConcept<concepts::ReadMap<Edge, typename Map::Value>, Map>(); |
---|
1673 | checkConcept<_writer_bits::ItemWriter<typename Map::Value>,ItemWriter>(); |
---|
1674 | writers.push_back( |
---|
1675 | make_pair(label, new _writer_bits:: |
---|
1676 | MapWriter<Edge, Map, ItemWriter>(map, iw))); |
---|
1677 | return *this; |
---|
1678 | } |
---|
1679 | |
---|
1680 | protected: |
---|
1681 | |
---|
1682 | /// \brief The header of the section. |
---|
1683 | /// |
---|
1684 | /// It gives back the header of the section. |
---|
1685 | virtual std::string header() { |
---|
1686 | return "@edgemaps " + name; |
---|
1687 | } |
---|
1688 | |
---|
1689 | /// \brief Writer function of the section. |
---|
1690 | /// |
---|
1691 | /// Write the content of the section. |
---|
1692 | virtual void write(std::ostream& os) { |
---|
1693 | std::vector<Edge> edges; |
---|
1694 | for (typename Graph::EdgeIt it(graph); it != INVALID; ++it) { |
---|
1695 | edges.push_back(it); |
---|
1696 | } |
---|
1697 | if (forceSort) { |
---|
1698 | labelWriter->sort(edges); |
---|
1699 | } |
---|
1700 | os << '\t'; |
---|
1701 | for (int i = 0; i < int(writers.size()); ++i) { |
---|
1702 | os << writers[i].first << '\t'; |
---|
1703 | } |
---|
1704 | os << std::endl; |
---|
1705 | for (typename std::vector<Edge>::iterator it = edges.begin(); |
---|
1706 | it != edges.end(); ++it) { |
---|
1707 | |
---|
1708 | labelWriter->write(os, *it); os << '\t'; |
---|
1709 | for (int i = 0; i < int(writers.size()); ++i) { |
---|
1710 | writers[i].second->write(os, *it); |
---|
1711 | os << '\t'; |
---|
1712 | } |
---|
1713 | os << std::endl; |
---|
1714 | } |
---|
1715 | } |
---|
1716 | |
---|
1717 | |
---|
1718 | private: |
---|
1719 | |
---|
1720 | typedef std::vector<std::pair<std::string, _writer_bits:: |
---|
1721 | MapWriterBase<Edge>*> > MapWriters; |
---|
1722 | MapWriters writers; |
---|
1723 | |
---|
1724 | _writer_bits::MapWriterBase<Edge>* labelMap; |
---|
1725 | |
---|
1726 | const Graph& graph; |
---|
1727 | std::string name; |
---|
1728 | bool forceSort; |
---|
1729 | |
---|
1730 | std::auto_ptr<_writer_bits::LabelWriterBase<Edge> > labelWriter; |
---|
1731 | }; |
---|
1732 | |
---|
1733 | /// \ingroup section_io |
---|
1734 | /// \brief SectionWriter for writing extra undirected edge maps. |
---|
1735 | /// |
---|
1736 | /// The lemon format can store maps in the uedgeset. This class let |
---|
1737 | /// you make distinict section to store maps. The main purpose of |
---|
1738 | /// this class is a logical separation of some maps. The other |
---|
1739 | /// useful application could be to store paths in undirected edge |
---|
1740 | /// maps. |
---|
1741 | /// |
---|
1742 | /// The first line of the section contains the names of the maps |
---|
1743 | /// separated with white spaces. Each next line describes an item |
---|
1744 | /// in the itemset, and contains in the first column the label of |
---|
1745 | /// the item and then the mapped values for each map. |
---|
1746 | /// |
---|
1747 | /// \relates LemonWriter |
---|
1748 | template <typename _Graph, typename _Traits = DefaultWriterTraits> |
---|
1749 | class UEdgeMapWriter : public LemonWriter::SectionWriter { |
---|
1750 | typedef LemonWriter::SectionWriter Parent; |
---|
1751 | public: |
---|
1752 | |
---|
1753 | typedef _Graph Graph; |
---|
1754 | typedef _Traits Traits; |
---|
1755 | typedef typename Graph::UEdge UEdge; |
---|
1756 | typedef typename Graph::Edge Edge; |
---|
1757 | |
---|
1758 | /// \brief Constructor. |
---|
1759 | /// |
---|
1760 | /// Constructor for UEdgeMapWriter. It creates the UEdgeMapWriter and |
---|
1761 | /// attach it into the given LemonWriter. If the the |
---|
1762 | /// \c _forceSort is true then the writer will write the uedges |
---|
1763 | /// sorted by the labels. |
---|
1764 | template <typename _LabelWriter> |
---|
1765 | UEdgeMapWriter(LemonWriter& _writer, const Graph& _graph, |
---|
1766 | const _LabelWriter& _labelWriter, |
---|
1767 | const std::string& _name = std::string(), |
---|
1768 | bool _forceSort = true) |
---|
1769 | : Parent(_writer), graph(_graph), name(_name), forceSort(_forceSort) { |
---|
1770 | checkConcept<_writer_bits::ItemLabelWriter<UEdge>, _LabelWriter>(); |
---|
1771 | labelWriter.reset(new _writer_bits::LabelWriter<UEdge, |
---|
1772 | _LabelWriter>(_labelWriter)); |
---|
1773 | } |
---|
1774 | |
---|
1775 | /// \brief Destructor. |
---|
1776 | /// |
---|
1777 | /// Destructor for UEdgeMapWriter. |
---|
1778 | virtual ~UEdgeMapWriter() { |
---|
1779 | typename MapWriters::iterator it; |
---|
1780 | for (it = writers.begin(); it != writers.end(); ++it) { |
---|
1781 | delete it->second; |
---|
1782 | } |
---|
1783 | } |
---|
1784 | |
---|
1785 | private: |
---|
1786 | UEdgeMapWriter(const UEdgeMapWriter&); |
---|
1787 | void operator=(const UEdgeMapWriter&); |
---|
1788 | |
---|
1789 | public: |
---|
1790 | |
---|
1791 | /// \brief Add a new undirected edge map writer command for the writer. |
---|
1792 | /// |
---|
1793 | /// Add a new undirected edge map writer command for the writer. |
---|
1794 | template <typename Map> |
---|
1795 | UEdgeMapWriter& writeUEdgeMap(std::string label, const Map& map) { |
---|
1796 | return writeUEdgeMap<typename Traits:: |
---|
1797 | template Writer<typename Map::Value>, Map>(label, map); |
---|
1798 | } |
---|
1799 | |
---|
1800 | /// \brief Add a new undirected edge map writer command for the writer. |
---|
1801 | /// |
---|
1802 | /// Add a new undirected edge map writer command for the writer. |
---|
1803 | template <typename ItemWriter, typename Map> |
---|
1804 | UEdgeMapWriter& writeUEdgeMap(std::string label, const Map& map, |
---|
1805 | const ItemWriter& iw = ItemWriter()) { |
---|
1806 | checkConcept<concepts::ReadMap<UEdge, typename Map::Value>, Map>(); |
---|
1807 | checkConcept<_writer_bits::ItemWriter<typename Map::Value>,ItemWriter>(); |
---|
1808 | writers.push_back( |
---|
1809 | make_pair(label, new _writer_bits:: |
---|
1810 | MapWriter<UEdge, Map, ItemWriter>(map, iw))); |
---|
1811 | return *this; |
---|
1812 | } |
---|
1813 | |
---|
1814 | /// \brief Add a new directed edge map writer command for the writer. |
---|
1815 | /// |
---|
1816 | /// Add a new directed map writer command for the writer. |
---|
1817 | template <typename Map> |
---|
1818 | UEdgeMapWriter& writeEdgeMap(std::string label, const Map& map) { |
---|
1819 | return writeEdgeMap<typename Traits:: |
---|
1820 | template Writer<typename Map::Value>, Map>(label, map); |
---|
1821 | } |
---|
1822 | |
---|
1823 | /// \brief Add a new directed map writer command for the writer. |
---|
1824 | /// |
---|
1825 | /// Add a new directed map writer command for the writer. |
---|
1826 | template <typename ItemWriter, typename Map> |
---|
1827 | UEdgeMapWriter& writeEdgeMap(std::string label, const Map& map, |
---|
1828 | const ItemWriter& iw = ItemWriter()) { |
---|
1829 | checkConcept<concepts::ReadMap<Edge, typename Map::Value>, Map>(); |
---|
1830 | checkConcept<_writer_bits::ItemWriter<typename Map::Value>, ItemWriter>(); |
---|
1831 | writeUEdgeMap("+" + label, |
---|
1832 | _writer_bits::forwardComposeMap(graph, map), iw); |
---|
1833 | writeUEdgeMap("-" + label, |
---|
1834 | _writer_bits::backwardComposeMap(graph, map), iw); |
---|
1835 | return *this; |
---|
1836 | } |
---|
1837 | |
---|
1838 | protected: |
---|
1839 | |
---|
1840 | /// \brief The header of the section. |
---|
1841 | /// |
---|
1842 | /// It gives back the header of the section. |
---|
1843 | virtual std::string header() { |
---|
1844 | return "@uedgemaps " + name; |
---|
1845 | } |
---|
1846 | |
---|
1847 | /// \brief Writer function of the section. |
---|
1848 | /// |
---|
1849 | /// Write the content of the section. |
---|
1850 | virtual void write(std::ostream& os) { |
---|
1851 | std::vector<UEdge> uedges; |
---|
1852 | for (typename Graph::UEdgeIt it(graph); it != INVALID; ++it) { |
---|
1853 | uedges.push_back(it); |
---|
1854 | } |
---|
1855 | if (forceSort) { |
---|
1856 | labelWriter->sort(uedges); |
---|
1857 | } |
---|
1858 | os << '\t'; |
---|
1859 | for (int i = 0; i < int(writers.size()); ++i) { |
---|
1860 | os << writers[i].first << '\t'; |
---|
1861 | } |
---|
1862 | os << std::endl; |
---|
1863 | for (typename std::vector<UEdge>::iterator it = uedges.begin(); |
---|
1864 | it != uedges.end(); ++it) { |
---|
1865 | |
---|
1866 | labelWriter->write(os, *it); os << '\t'; |
---|
1867 | for (int i = 0; i < int(writers.size()); ++i) { |
---|
1868 | writers[i].second->write(os, *it); |
---|
1869 | os << '\t'; |
---|
1870 | } |
---|
1871 | os << std::endl; |
---|
1872 | } |
---|
1873 | } |
---|
1874 | |
---|
1875 | |
---|
1876 | private: |
---|
1877 | |
---|
1878 | typedef std::vector<std::pair<std::string, _writer_bits:: |
---|
1879 | MapWriterBase<UEdge>*> > MapWriters; |
---|
1880 | MapWriters writers; |
---|
1881 | |
---|
1882 | _writer_bits::MapWriterBase<UEdge>* labelMap; |
---|
1883 | |
---|
1884 | const Graph& graph; |
---|
1885 | std::string name; |
---|
1886 | bool forceSort; |
---|
1887 | |
---|
1888 | std::auto_ptr<_writer_bits::LabelWriterBase<UEdge> > labelWriter; |
---|
1889 | }; |
---|
1890 | |
---|
1891 | |
---|
1892 | /// \ingroup section_io |
---|
1893 | /// \brief SectionWriter for attributes. |
---|
1894 | /// |
---|
1895 | /// The lemon format can store multiple attribute set. Each set has |
---|
1896 | /// the header line \c \@attributes \c attributes_name, but the |
---|
1897 | /// attributeset_name may be empty. |
---|
1898 | /// |
---|
1899 | /// The attributeset section contains several lines. Each of them starts |
---|
1900 | /// with the name of attribute and then the value. |
---|
1901 | /// |
---|
1902 | /// \relates LemonWriter |
---|
1903 | template <typename _Traits = DefaultWriterTraits> |
---|
1904 | class AttributeWriter : public LemonWriter::SectionWriter { |
---|
1905 | typedef LemonWriter::SectionWriter Parent; |
---|
1906 | typedef _Traits Traits; |
---|
1907 | public: |
---|
1908 | /// \brief Constructor. |
---|
1909 | /// |
---|
1910 | /// Constructor for AttributeWriter. It creates the AttributeWriter and |
---|
1911 | /// attach it into the given LemonWriter. |
---|
1912 | AttributeWriter(LemonWriter& _writer, |
---|
1913 | const std::string& _name = std::string()) |
---|
1914 | : Parent(_writer), name(_name) {} |
---|
1915 | |
---|
1916 | /// \brief Destructor. |
---|
1917 | /// |
---|
1918 | /// Destructor for AttributeWriter. |
---|
1919 | virtual ~AttributeWriter() { |
---|
1920 | typename Writers::iterator it; |
---|
1921 | for (it = writers.begin(); it != writers.end(); ++it) { |
---|
1922 | delete it->second; |
---|
1923 | } |
---|
1924 | } |
---|
1925 | |
---|
1926 | private: |
---|
1927 | AttributeWriter(const AttributeWriter&); |
---|
1928 | void operator=(AttributeWriter&); |
---|
1929 | |
---|
1930 | public: |
---|
1931 | /// \brief Add an attribute writer command for the writer. |
---|
1932 | /// |
---|
1933 | /// Add an attribute writer command for the writer. |
---|
1934 | template <typename Value> |
---|
1935 | AttributeWriter& writeAttribute(std::string label, |
---|
1936 | const Value& value) { |
---|
1937 | return |
---|
1938 | writeAttribute<typename Traits::template Writer<Value> >(label, value); |
---|
1939 | } |
---|
1940 | |
---|
1941 | /// \brief Add an attribute writer command for the writer. |
---|
1942 | /// |
---|
1943 | /// Add an attribute writer command for the writer. |
---|
1944 | template <typename ItemWriter, typename Value> |
---|
1945 | AttributeWriter& writeAttribute(std::string label, const Value& value, |
---|
1946 | const ItemWriter& iw = ItemWriter()) { |
---|
1947 | checkConcept<_writer_bits::ItemWriter<Value>, ItemWriter>(); |
---|
1948 | writers.push_back(make_pair(label, new _writer_bits:: |
---|
1949 | ValueWriter<Value, ItemWriter>(value, iw))); |
---|
1950 | return *this; |
---|
1951 | } |
---|
1952 | |
---|
1953 | protected: |
---|
1954 | |
---|
1955 | /// \brief The header of section. |
---|
1956 | /// |
---|
1957 | /// It gives back the header of the section. |
---|
1958 | std::string header() { |
---|
1959 | return "@attributes " + name; |
---|
1960 | } |
---|
1961 | |
---|
1962 | /// \brief Writer function of the section. |
---|
1963 | /// |
---|
1964 | /// Write the content of the section. |
---|
1965 | void write(std::ostream& os) { |
---|
1966 | typename Writers::iterator it; |
---|
1967 | for (it = writers.begin(); it != writers.end(); ++it) { |
---|
1968 | os << it->first << ' '; |
---|
1969 | it->second->write(os); |
---|
1970 | os << std::endl; |
---|
1971 | } |
---|
1972 | } |
---|
1973 | |
---|
1974 | /// \brief Gives back true when the section should be written. |
---|
1975 | /// |
---|
1976 | /// Gives back true when the section should be written. |
---|
1977 | virtual bool valid() { return !writers.empty(); } |
---|
1978 | |
---|
1979 | private: |
---|
1980 | std::string name; |
---|
1981 | |
---|
1982 | typedef std::vector<std::pair<std::string, |
---|
1983 | _writer_bits::ValueWriterBase*> > Writers; |
---|
1984 | Writers writers; |
---|
1985 | }; |
---|
1986 | |
---|
1987 | |
---|
1988 | } |
---|
1989 | #endif |
---|