1 | /* -*- C++ -*- |
---|
2 | * |
---|
3 | * This file is a part of LEMON, a generic C++ optimization library |
---|
4 | * |
---|
5 | * Copyright (C) 2003-2006 |
---|
6 | * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
---|
7 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
---|
8 | * |
---|
9 | * Permission to use, modify and distribute this software is granted |
---|
10 | * provided that this copyright notice appears in all copies. For |
---|
11 | * precise terms see the accompanying LICENSE file. |
---|
12 | * |
---|
13 | * This software is provided "AS IS" with no warranty of any kind, |
---|
14 | * express or implied, and with no claim as to its suitability for any |
---|
15 | * purpose. |
---|
16 | * |
---|
17 | */ |
---|
18 | |
---|
19 | ///\ingroup lemon_io |
---|
20 | ///\file |
---|
21 | ///\brief Lemon Graph Format writer. |
---|
22 | /// |
---|
23 | |
---|
24 | #ifndef LEMON_GRAPH_WRITER_H |
---|
25 | #define LEMON_GRAPH_WRITER_H |
---|
26 | |
---|
27 | #include <iostream> |
---|
28 | |
---|
29 | #include <lemon/error.h> |
---|
30 | #include <lemon/lemon_writer.h> |
---|
31 | |
---|
32 | namespace lemon { |
---|
33 | |
---|
34 | /// \addtogroup lemon_io |
---|
35 | /// @{ |
---|
36 | |
---|
37 | /// \brief The graph writer class. |
---|
38 | /// |
---|
39 | /// The \c GraphWriter class provides the graph output. Before you |
---|
40 | /// read this documentation it might be useful to read the general |
---|
41 | /// description of \ref graph-io-page "Graph Input-Output". |
---|
42 | /// |
---|
43 | /// To write a graph you should first give writing commands to the |
---|
44 | /// writer. You can declare write commands as \c NodeMap or \c |
---|
45 | /// EdgeMap writing and labeled Node and Edge writing. |
---|
46 | /// |
---|
47 | ///\code |
---|
48 | /// GraphWriter<ListGraph> writer(std::cout, graph); |
---|
49 | ///\endcode |
---|
50 | /// |
---|
51 | /// The \c writeNodeMap() function declares a \c NodeMap writing |
---|
52 | /// command in the \c GraphWriter. You should give as parameter the |
---|
53 | /// name of the map and the map object. The NodeMap writing command |
---|
54 | /// with name "label" should write a unique map because it is |
---|
55 | /// regarded as label map (such a map is essential if the graph has |
---|
56 | /// edges). |
---|
57 | /// |
---|
58 | ///\code |
---|
59 | /// IdMap<ListGraph, Node> nodeLabelMap; |
---|
60 | /// writer.writeNodeMap("label", nodeLabelMap); |
---|
61 | /// |
---|
62 | /// writer.writeNodeMap("coords", coords); |
---|
63 | /// writer.writeNodeMap("color", colorMap); |
---|
64 | ///\endcode |
---|
65 | /// |
---|
66 | /// With the \c writeEdgeMap() member function you can give an edge map |
---|
67 | /// writing command similar to the NodeMaps. |
---|
68 | /// |
---|
69 | ///\code |
---|
70 | /// DescriptorMap<ListGraph, Edge, ListGraph::EdgeMap<int> > |
---|
71 | /// edgeDescMap(graph); |
---|
72 | /// writer.writeEdgeMap("descriptor", edgeDescMap); |
---|
73 | /// |
---|
74 | /// writer.writeEdgeMap("weight", weightMap); |
---|
75 | /// writer.writeEdgeMap("label", labelMap); |
---|
76 | ///\endcode |
---|
77 | /// |
---|
78 | /// With \c writeNode() and \c writeEdge() functions you can |
---|
79 | /// point out Nodes and Edges in the graph. For example, you can |
---|
80 | /// write out the source and target of a maximum flow instance. |
---|
81 | /// |
---|
82 | ///\code |
---|
83 | /// writer.writeNode("source", sourceNode); |
---|
84 | /// writer.writeNode("target", targetNode); |
---|
85 | /// |
---|
86 | /// writer.writeEdge("observed", edge); |
---|
87 | ///\endcode |
---|
88 | /// |
---|
89 | /// After you give all write commands you must call the \c run() member |
---|
90 | /// function, which executes all the writing commands. |
---|
91 | /// |
---|
92 | ///\code |
---|
93 | /// writer.run(); |
---|
94 | ///\endcode |
---|
95 | /// |
---|
96 | /// \see DefaultWriterTraits |
---|
97 | /// \see QuotedStringWriter |
---|
98 | /// \see IdMap |
---|
99 | /// \see DescriptorMap |
---|
100 | /// \see \ref GraphReader |
---|
101 | /// \see \ref graph-io-page |
---|
102 | /// \author Balazs Dezso |
---|
103 | template <typename _Graph, typename _WriterTraits = DefaultWriterTraits> |
---|
104 | class GraphWriter { |
---|
105 | public: |
---|
106 | |
---|
107 | typedef _Graph Graph; |
---|
108 | typedef typename Graph::Node Node; |
---|
109 | typedef typename Graph::Edge Edge; |
---|
110 | |
---|
111 | typedef _WriterTraits WriterTraits; |
---|
112 | |
---|
113 | /// \brief Construct a new GraphWriter. |
---|
114 | /// |
---|
115 | /// This function constructs a new GraphWriter to write the given graph |
---|
116 | /// to the given stream. |
---|
117 | GraphWriter(std::ostream& _os, const Graph& _graph) |
---|
118 | : writer(new LemonWriter(_os)), own_writer(true), |
---|
119 | nodeset_writer(*writer, _graph, std::string()), |
---|
120 | edgeset_writer(*writer, _graph, nodeset_writer, std::string()), |
---|
121 | node_writer(*writer, nodeset_writer, std::string()), |
---|
122 | edge_writer(*writer, edgeset_writer, std::string()), |
---|
123 | attribute_writer(*writer, std::string()) {} |
---|
124 | |
---|
125 | /// \brief Construct a new GraphWriter. |
---|
126 | /// |
---|
127 | /// This function constructs a new GraphWriter to write the given graph |
---|
128 | /// to the given file. |
---|
129 | GraphWriter(const std::string& _filename, const Graph& _graph) |
---|
130 | : writer(new LemonWriter(_filename)), own_writer(true), |
---|
131 | nodeset_writer(*writer, _graph, std::string()), |
---|
132 | edgeset_writer(*writer, _graph, nodeset_writer, std::string()), |
---|
133 | node_writer(*writer, nodeset_writer, std::string()), |
---|
134 | edge_writer(*writer, edgeset_writer, std::string()), |
---|
135 | attribute_writer(*writer, std::string()) {} |
---|
136 | |
---|
137 | /// \brief Construct a new GraphWriter. |
---|
138 | /// |
---|
139 | /// This function constructs a new GraphWriter to write the given graph |
---|
140 | /// to the given LemonReader. |
---|
141 | GraphWriter(LemonWriter& _writer, const Graph& _graph) |
---|
142 | : writer(_writer), own_writer(false), |
---|
143 | nodeset_writer(*writer, _graph, std::string()), |
---|
144 | edgeset_writer(*writer, _graph, nodeset_writer, std::string()), |
---|
145 | node_writer(*writer, nodeset_writer, std::string()), |
---|
146 | edge_writer(*writer, edgeset_writer, std::string()), |
---|
147 | attribute_writer(*writer, std::string()) {} |
---|
148 | |
---|
149 | /// \brief Destruct the graph writer. |
---|
150 | /// |
---|
151 | /// This function destructs the graph writer. |
---|
152 | ~GraphWriter() { |
---|
153 | if (own_writer) |
---|
154 | delete writer; |
---|
155 | } |
---|
156 | |
---|
157 | /// \brief Issue a new node map writing command for the writer. |
---|
158 | /// |
---|
159 | /// This function issues a new <i> node map writing command</i> to the writer. |
---|
160 | template <typename Map> |
---|
161 | GraphWriter& writeNodeMap(std::string name, const Map& map) { |
---|
162 | nodeset_writer.writeNodeMap(name, map); |
---|
163 | return *this; |
---|
164 | } |
---|
165 | |
---|
166 | |
---|
167 | /// \brief Issue a new node map writing command for the writer. |
---|
168 | /// |
---|
169 | /// This function issues a new <i> node map writing command</i> to the writer. |
---|
170 | template <typename Writer, typename Map> |
---|
171 | GraphWriter& writeNodeMap(std::string name, const Map& map, |
---|
172 | const Writer& writer = Writer()) { |
---|
173 | nodeset_writer.writeNodeMap(name, map, writer); |
---|
174 | return *this; |
---|
175 | } |
---|
176 | |
---|
177 | |
---|
178 | /// \brief Issue a new edge map writing command for the writer. |
---|
179 | /// |
---|
180 | /// This function issues a new <i> edge map writing command</i> to the writer. |
---|
181 | template <typename Map> |
---|
182 | GraphWriter& writeEdgeMap(std::string name, const Map& map) { |
---|
183 | edgeset_writer.writeEdgeMap(name, map); |
---|
184 | return *this; |
---|
185 | } |
---|
186 | |
---|
187 | |
---|
188 | /// \brief Issue a new edge map writing command for the writer. |
---|
189 | /// |
---|
190 | /// This function issues a new <i> edge map writing command</i> to the writer. |
---|
191 | template <typename Writer, typename Map> |
---|
192 | GraphWriter& writeEdgeMap(std::string name, const Map& map, |
---|
193 | const Writer& writer = Writer()) { |
---|
194 | edgeset_writer.writeEdgeMap(name, map, writer); |
---|
195 | return *this; |
---|
196 | } |
---|
197 | |
---|
198 | /// \brief Issue a new labeled node writing command to the writer. |
---|
199 | /// |
---|
200 | /// This function issues a new <i> labeled node writing command</i> |
---|
201 | /// to the writer. |
---|
202 | GraphWriter& writeNode(std::string name, const Node& node) { |
---|
203 | node_writer.writeNode(name, node); |
---|
204 | return *this; |
---|
205 | } |
---|
206 | |
---|
207 | /// \brief Issue a new labeled edge writing command to the writer. |
---|
208 | /// |
---|
209 | /// This function issues a new <i> labeled edge writing command</i> |
---|
210 | /// to the writer. |
---|
211 | GraphWriter& writeEdge(std::string name, const Edge& edge) { |
---|
212 | edge_writer.writeEdge(name, edge); |
---|
213 | } |
---|
214 | |
---|
215 | /// \brief Issue a new attribute writing command. |
---|
216 | /// |
---|
217 | /// This function issues a new <i> attribute writing command</i> |
---|
218 | /// to the writer. |
---|
219 | template <typename Value> |
---|
220 | GraphWriter& writeAttribute(std::string name, const Value& value) { |
---|
221 | attribute_writer.writeAttribute(name, value); |
---|
222 | return *this; |
---|
223 | } |
---|
224 | |
---|
225 | /// \brief Issue a new attribute writing command. |
---|
226 | /// |
---|
227 | /// This function issues a new <i> attribute writing command</i> |
---|
228 | /// to the writer. |
---|
229 | template <typename Writer, typename Value> |
---|
230 | GraphWriter& writeAttribute(std::string name, const Value& value, |
---|
231 | const Writer& writer) { |
---|
232 | attribute_writer.writeAttribute<Writer>(name, value, writer); |
---|
233 | return *this; |
---|
234 | } |
---|
235 | |
---|
236 | /// \brief Conversion operator to LemonWriter. |
---|
237 | /// |
---|
238 | /// Conversion operator to LemonWriter. It makes possible |
---|
239 | /// to access the encapsulated \e LemonWriter, this way |
---|
240 | /// you can attach to this writer new instances of |
---|
241 | /// \e LemonWriter::SectionWriter. For more details see |
---|
242 | /// the \ref rwbackground "Background of Reading and Writing". |
---|
243 | operator LemonWriter&() { |
---|
244 | return *writer; |
---|
245 | } |
---|
246 | |
---|
247 | /// \brief Executes the writing commands. |
---|
248 | /// |
---|
249 | /// Executes the writing commands. |
---|
250 | void run() { |
---|
251 | writer->run(); |
---|
252 | } |
---|
253 | |
---|
254 | /// \brief Write the label of the given node. |
---|
255 | /// |
---|
256 | /// It writes the label of the given node. If there was written an "label" |
---|
257 | /// named node map then it will write the map value belonging to the node. |
---|
258 | void writeLabel(std::ostream& os, const Node& item) const { |
---|
259 | nodeset_writer.writeLabel(os, item); |
---|
260 | } |
---|
261 | |
---|
262 | /// \brief Write the label of the given edge. |
---|
263 | /// |
---|
264 | /// It writes the label of the given edge. If there was written an "label" |
---|
265 | /// named edge map then it will write the map value belonging to the edge. |
---|
266 | void writeLabel(std::ostream& os, const Edge& item) const { |
---|
267 | edgeset_writer.writeLabel(os, item); |
---|
268 | } |
---|
269 | |
---|
270 | private: |
---|
271 | |
---|
272 | LemonWriter* writer; |
---|
273 | bool own_writer; |
---|
274 | |
---|
275 | NodeSetWriter<Graph, WriterTraits> nodeset_writer; |
---|
276 | EdgeSetWriter<Graph, WriterTraits> edgeset_writer; |
---|
277 | |
---|
278 | NodeWriter<Graph> node_writer; |
---|
279 | EdgeWriter<Graph> edge_writer; |
---|
280 | |
---|
281 | AttributeWriter<WriterTraits> attribute_writer; |
---|
282 | }; |
---|
283 | |
---|
284 | |
---|
285 | /// \brief The undirected graph writer class. |
---|
286 | /// |
---|
287 | /// The \c UGraphWriter class provides the ugraph output. To write |
---|
288 | /// a graph you should first give writing commands to the writer. You can |
---|
289 | /// declare write command as \c NodeMap, \c EdgeMap or \c UEdgeMap |
---|
290 | /// writing and labeled Node, Edge or UEdge writing. |
---|
291 | /// |
---|
292 | ///\code |
---|
293 | /// UGraphWriter<ListUGraph> writer(std::cout, graph); |
---|
294 | ///\endcode |
---|
295 | /// |
---|
296 | /// The \c writeNodeMap() function declares a \c NodeMap writing |
---|
297 | /// command in the \c UGraphWriter. You should give as parameter |
---|
298 | /// the name of the map and the map object. The NodeMap writing |
---|
299 | /// command with name "label" should write a unique map because it |
---|
300 | /// is regarded as label map. |
---|
301 | /// |
---|
302 | ///\code |
---|
303 | /// IdMap<ListUGraph, Node> nodeLabelMap; |
---|
304 | /// writer.writeNodeMap("label", nodeLabelMap); |
---|
305 | /// |
---|
306 | /// writer.writeNodeMap("coords", coords); |
---|
307 | /// writer.writeNodeMap("color", colorMap); |
---|
308 | ///\endcode |
---|
309 | /// |
---|
310 | /// With the \c writeUEdgeMap() member function you can give an |
---|
311 | /// undirected edge map writing command similar to the NodeMaps. |
---|
312 | /// |
---|
313 | ///\code |
---|
314 | /// DescriptorMap<ListGraph, Edge, ListGraph::EdgeMap<int> > |
---|
315 | /// edgeDescMap(graph); |
---|
316 | /// writer.writeUEdgeMap("descriptor", edgeDescMap); |
---|
317 | /// |
---|
318 | /// writer.writeUEdgeMap("weight", weightMap); |
---|
319 | /// writer.writeUEdgeMap("label", labelMap); |
---|
320 | ///\endcode |
---|
321 | /// |
---|
322 | /// The EdgeMap handling is just a syntactical sugar. It writes |
---|
323 | /// two undirected edge map with '+' and '-' prefix in the name. |
---|
324 | /// |
---|
325 | ///\code |
---|
326 | /// writer.writeEdgeMap("capacity", capacityMap); |
---|
327 | ///\endcode |
---|
328 | /// |
---|
329 | /// |
---|
330 | /// With \c writeNode() and \c writeUEdge() functions you can |
---|
331 | /// designate nodes and undirected edges in the graph. For example, you can |
---|
332 | /// write out the source and target of the graph. |
---|
333 | /// |
---|
334 | ///\code |
---|
335 | /// writer.writeNode("source", sourceNode); |
---|
336 | /// writer.writeNode("target", targetNode); |
---|
337 | /// |
---|
338 | /// writer.writeUEdge("observed", uEdge); |
---|
339 | ///\endcode |
---|
340 | /// |
---|
341 | /// After you give all write commands you must call the \c run() member |
---|
342 | /// function, which executes all the writing commands. |
---|
343 | /// |
---|
344 | ///\code |
---|
345 | /// writer.run(); |
---|
346 | ///\endcode |
---|
347 | /// |
---|
348 | /// \see DefaultWriterTraits |
---|
349 | /// \see QuotedStringWriter |
---|
350 | /// \see IdMap |
---|
351 | /// \see DescriptorMap |
---|
352 | /// \see \ref GraphWriter |
---|
353 | /// \see \ref graph-io-page |
---|
354 | /// \author Balazs Dezso |
---|
355 | template <typename _Graph, typename _WriterTraits = DefaultWriterTraits> |
---|
356 | class UGraphWriter { |
---|
357 | public: |
---|
358 | |
---|
359 | typedef _Graph Graph; |
---|
360 | typedef typename Graph::Node Node; |
---|
361 | typedef typename Graph::Edge Edge; |
---|
362 | typedef typename Graph::UEdge UEdge; |
---|
363 | |
---|
364 | typedef _WriterTraits WriterTraits; |
---|
365 | |
---|
366 | /// \brief Construct a new UGraphWriter. |
---|
367 | /// |
---|
368 | /// Construct a new UGraphWriter. It writes the given graph |
---|
369 | /// to the given stream. |
---|
370 | UGraphWriter(std::ostream& _os, const Graph& _graph) |
---|
371 | : writer(new LemonWriter(_os)), own_writer(true), |
---|
372 | nodeset_writer(*writer, _graph, std::string()), |
---|
373 | u_edgeset_writer(*writer, _graph, nodeset_writer, std::string()), |
---|
374 | node_writer(*writer, nodeset_writer, std::string()), |
---|
375 | u_edge_writer(*writer, u_edgeset_writer, std::string()), |
---|
376 | attribute_writer(*writer, std::string()) {} |
---|
377 | |
---|
378 | /// \brief Construct a new UGraphWriter. |
---|
379 | /// |
---|
380 | /// Construct a new UGraphWriter. It writes the given graph |
---|
381 | /// to the given file. |
---|
382 | UGraphWriter(const std::string& _filename, const Graph& _graph) |
---|
383 | : writer(new LemonWriter(_filename)), own_writer(true), |
---|
384 | nodeset_writer(*writer, _graph, std::string()), |
---|
385 | u_edgeset_writer(*writer, _graph, nodeset_writer, std::string()), |
---|
386 | node_writer(*writer, nodeset_writer, std::string()), |
---|
387 | u_edge_writer(*writer, u_edgeset_writer, std::string()), |
---|
388 | attribute_writer(*writer, std::string()) {} |
---|
389 | |
---|
390 | /// \brief Construct a new UGraphWriter. |
---|
391 | /// |
---|
392 | /// Construct a new UGraphWriter. It writes the given graph |
---|
393 | /// to given LemonReader. |
---|
394 | UGraphWriter(LemonWriter& _writer, const Graph& _graph) |
---|
395 | : writer(_writer), own_writer(false), |
---|
396 | nodeset_writer(*writer, _graph, std::string()), |
---|
397 | u_edgeset_writer(*writer, _graph, nodeset_writer, std::string()), |
---|
398 | node_writer(*writer, nodeset_writer, std::string()), |
---|
399 | u_edge_writer(*writer, u_edgeset_writer, std::string()), |
---|
400 | attribute_writer(*writer, std::string()) {} |
---|
401 | |
---|
402 | /// \brief Destruct the graph writer. |
---|
403 | /// |
---|
404 | /// Destruct the graph writer. |
---|
405 | ~UGraphWriter() { |
---|
406 | if (own_writer) |
---|
407 | delete writer; |
---|
408 | } |
---|
409 | |
---|
410 | /// \brief Issue a new node map writing command to the writer. |
---|
411 | /// |
---|
412 | /// This function issues a new <i> node map writing command</i> to |
---|
413 | /// the writer. |
---|
414 | template <typename Map> |
---|
415 | UGraphWriter& writeNodeMap(std::string name, const Map& map) { |
---|
416 | nodeset_writer.writeNodeMap(name, map); |
---|
417 | return *this; |
---|
418 | } |
---|
419 | |
---|
420 | /// \brief Issue a new node map writing command to the writer. |
---|
421 | /// |
---|
422 | /// This function issues a new <i> node map writing command</i> to |
---|
423 | /// the writer. |
---|
424 | template <typename Writer, typename Map> |
---|
425 | UGraphWriter& writeNodeMap(std::string name, const Map& map, |
---|
426 | const Writer& writer = Writer()) { |
---|
427 | nodeset_writer.writeNodeMap(name, map, writer); |
---|
428 | return *this; |
---|
429 | } |
---|
430 | |
---|
431 | /// \brief Issue a new edge map writing command to the writer. |
---|
432 | /// |
---|
433 | /// This function issues a new <i> edge map writing command</i> to |
---|
434 | /// the writer. |
---|
435 | template <typename Map> |
---|
436 | UGraphWriter& writeEdgeMap(std::string name, const Map& map) { |
---|
437 | u_edgeset_writer.writeEdgeMap(name, map); |
---|
438 | return *this; |
---|
439 | } |
---|
440 | |
---|
441 | /// \brief Issue a new edge map writing command to the writer. |
---|
442 | /// |
---|
443 | /// This function issues a new <i> edge map writing command</i> to |
---|
444 | /// the writer. |
---|
445 | template <typename Writer, typename Map> |
---|
446 | UGraphWriter& writeEdgeMap(std::string name, const Map& map, |
---|
447 | const Writer& writer = Writer()) { |
---|
448 | u_edgeset_writer.writeEdgeMap(name, map, writer); |
---|
449 | return *this; |
---|
450 | } |
---|
451 | |
---|
452 | /// \brief Issue a new undirected edge map writing command to the writer. |
---|
453 | /// |
---|
454 | /// This function issues a new <i> undirected edge map writing |
---|
455 | /// command</i> to the writer. |
---|
456 | template <typename Map> |
---|
457 | UGraphWriter& writeUEdgeMap(std::string name, const Map& map) { |
---|
458 | u_edgeset_writer.writeUEdgeMap(name, map); |
---|
459 | return *this; |
---|
460 | } |
---|
461 | |
---|
462 | /// \brief Issue a new undirected edge map writing command to the writer. |
---|
463 | /// |
---|
464 | /// This function issues a new <i> undirected edge map writing |
---|
465 | /// command</i> to the writer. |
---|
466 | template <typename Writer, typename Map> |
---|
467 | UGraphWriter& writeUEdgeMap(std::string name, const Map& map, |
---|
468 | const Writer& writer = Writer()) { |
---|
469 | u_edgeset_writer.writeUEdgeMap(name, map, writer); |
---|
470 | return *this; |
---|
471 | } |
---|
472 | |
---|
473 | /// \brief Issue a new labeled node writer to the writer. |
---|
474 | /// |
---|
475 | /// This function issues a new <i> labeled node writing |
---|
476 | /// command</i> to the writer. |
---|
477 | UGraphWriter& writeNode(std::string name, const Node& node) { |
---|
478 | node_writer.writeNode(name, node); |
---|
479 | return *this; |
---|
480 | } |
---|
481 | |
---|
482 | /// \brief Issue a new labeled edge writer to the writer. |
---|
483 | /// |
---|
484 | /// This function issues a new <i> labeled edge writing |
---|
485 | /// command</i> to the writer. |
---|
486 | UGraphWriter& writeEdge(std::string name, const Edge& edge) { |
---|
487 | u_edge_writer.writeEdge(name, edge); |
---|
488 | } |
---|
489 | |
---|
490 | /// \brief Issue a new labeled undirected edge writing command to |
---|
491 | /// the writer. |
---|
492 | /// |
---|
493 | /// Issue a new <i>labeled undirected edge writing command</i> to |
---|
494 | /// the writer. |
---|
495 | UGraphWriter& writeUEdge(std::string name, const UEdge& edge) { |
---|
496 | u_edge_writer.writeUEdge(name, edge); |
---|
497 | } |
---|
498 | |
---|
499 | /// \brief Issue a new attribute writing command. |
---|
500 | /// |
---|
501 | /// This function issues a new <i> attribute writing |
---|
502 | /// command</i> to the writer. |
---|
503 | template <typename Value> |
---|
504 | UGraphWriter& writeAttribute(std::string name, const Value& value) { |
---|
505 | attribute_writer.writeAttribute(name, value); |
---|
506 | return *this; |
---|
507 | } |
---|
508 | |
---|
509 | /// \brief Issue a new attribute writing command. |
---|
510 | /// |
---|
511 | /// This function issues a new <i> attribute writing |
---|
512 | /// command</i> to the writer. |
---|
513 | template <typename Writer, typename Value> |
---|
514 | UGraphWriter& writeAttribute(std::string name, const Value& value, |
---|
515 | const Writer& writer) { |
---|
516 | attribute_writer.writeAttribute<Writer>(name, value, writer); |
---|
517 | return *this; |
---|
518 | } |
---|
519 | |
---|
520 | /// \brief Conversion operator to LemonWriter. |
---|
521 | /// |
---|
522 | /// Conversion operator to LemonWriter. It makes possible |
---|
523 | /// to access the encapsulated \e LemonWriter, this way |
---|
524 | /// you can attach to this writer new instances of |
---|
525 | /// \e LemonWriter::SectionWriter. |
---|
526 | operator LemonWriter&() { |
---|
527 | return *writer; |
---|
528 | } |
---|
529 | |
---|
530 | /// \brief Executes the writing commands. |
---|
531 | /// |
---|
532 | /// Executes the writing commands. |
---|
533 | void run() { |
---|
534 | writer->run(); |
---|
535 | } |
---|
536 | |
---|
537 | /// \brief Write the label of the given node. |
---|
538 | /// |
---|
539 | /// It writes the label of the given node. If there was written an "label" |
---|
540 | /// named node map then it will write the map value belonging to the node. |
---|
541 | void writeLabel(std::ostream& os, const Node& item) const { |
---|
542 | nodeset_writer.writeLabel(os, item); |
---|
543 | } |
---|
544 | |
---|
545 | /// \brief Write the label of the given edge. |
---|
546 | /// |
---|
547 | /// It writes the label of the given edge. If there was written an "label" |
---|
548 | /// named edge map then it will write the map value belonging to the edge. |
---|
549 | void writeLabel(std::ostream& os, const Edge& item) const { |
---|
550 | u_edgeset_writer.writeLabel(os, item); |
---|
551 | } |
---|
552 | |
---|
553 | /// \brief Write the label of the given undirected edge. |
---|
554 | /// |
---|
555 | /// It writes the label of the given undirected edge. If there was |
---|
556 | /// written an "label" named edge map then it will write the map |
---|
557 | /// value belonging to the edge. |
---|
558 | void writeLabel(std::ostream& os, const UEdge& item) const { |
---|
559 | u_edgeset_writer.writeLabel(os, item); |
---|
560 | } |
---|
561 | |
---|
562 | |
---|
563 | private: |
---|
564 | |
---|
565 | LemonWriter* writer; |
---|
566 | bool own_writer; |
---|
567 | |
---|
568 | NodeSetWriter<Graph, WriterTraits> nodeset_writer; |
---|
569 | UEdgeSetWriter<Graph, WriterTraits> u_edgeset_writer; |
---|
570 | |
---|
571 | NodeWriter<Graph> node_writer; |
---|
572 | UEdgeWriter<Graph> u_edge_writer; |
---|
573 | |
---|
574 | AttributeWriter<WriterTraits> attribute_writer; |
---|
575 | }; |
---|
576 | |
---|
577 | /// @} |
---|
578 | |
---|
579 | } |
---|
580 | |
---|
581 | #endif |
---|