[1408] | 1 | /* -*- C++ -*- |
---|
| 2 | * |
---|
[1956] | 3 | * This file is a part of LEMON, a generic C++ optimization library |
---|
| 4 | * |
---|
[2391] | 5 | * Copyright (C) 2003-2007 |
---|
[1956] | 6 | * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
---|
[1408] | 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 | |
---|
[2084] | 19 | ///\ingroup lemon_io |
---|
[1408] | 20 | ///\file |
---|
| 21 | ///\brief Lemon Format reader. |
---|
| 22 | |
---|
[1421] | 23 | |
---|
[1408] | 24 | #ifndef LEMON_LEMON_READER_H |
---|
| 25 | #define LEMON_LEMON_READER_H |
---|
| 26 | |
---|
[1421] | 27 | |
---|
[1408] | 28 | #include <iostream> |
---|
| 29 | #include <fstream> |
---|
| 30 | #include <string> |
---|
| 31 | #include <vector> |
---|
| 32 | #include <algorithm> |
---|
| 33 | #include <map> |
---|
| 34 | #include <memory> |
---|
| 35 | |
---|
| 36 | #include <lemon/error.h> |
---|
[1421] | 37 | #include <lemon/graph_utils.h> |
---|
[1993] | 38 | #include <lemon/bits/utility.h> |
---|
[1409] | 39 | #include <lemon/bits/item_reader.h> |
---|
[1408] | 40 | |
---|
[2207] | 41 | #include <lemon/dim2.h> |
---|
[1705] | 42 | |
---|
[1476] | 43 | #include <lemon/concept_check.h> |
---|
[2260] | 44 | #include <lemon/concepts/maps.h> |
---|
[1408] | 45 | |
---|
| 46 | namespace lemon { |
---|
| 47 | |
---|
[1421] | 48 | namespace _reader_bits { |
---|
[1476] | 49 | |
---|
[1845] | 50 | template <typename T> |
---|
| 51 | bool operator<(T, T) { |
---|
[1901] | 52 | throw DataFormatError("Label is not comparable"); |
---|
[1845] | 53 | } |
---|
| 54 | |
---|
| 55 | template <typename T> |
---|
| 56 | struct Less { |
---|
| 57 | bool operator()(const T& p, const T& q) const { |
---|
| 58 | return p < q; |
---|
| 59 | } |
---|
| 60 | }; |
---|
| 61 | |
---|
[1476] | 62 | template <typename Item> |
---|
[1901] | 63 | class ItemLabelReader { |
---|
[1476] | 64 | public: |
---|
| 65 | |
---|
[1901] | 66 | bool isLabelReader() { return true; } |
---|
[1476] | 67 | |
---|
[1901] | 68 | void readLabel(std::istream&, Item&) {} |
---|
[1476] | 69 | |
---|
[1901] | 70 | template <class _ItemLabelReader> |
---|
[1476] | 71 | struct Constraints { |
---|
| 72 | void constraints() { |
---|
[1901] | 73 | bool b = reader.isLabelReader(); |
---|
[1476] | 74 | ignore_unused_variable_warning(b); |
---|
[1492] | 75 | Item item; |
---|
[1901] | 76 | reader.readLabel(is, item); |
---|
[1476] | 77 | } |
---|
[1901] | 78 | _ItemLabelReader& reader; |
---|
[1476] | 79 | std::istream& is; |
---|
| 80 | }; |
---|
| 81 | |
---|
| 82 | }; |
---|
[1492] | 83 | |
---|
| 84 | template <typename Item> |
---|
| 85 | class ItemReader { |
---|
| 86 | public: |
---|
| 87 | void read(std::istream&, Item&) {} |
---|
| 88 | |
---|
| 89 | template <class _ItemReader> |
---|
| 90 | struct Constraints { |
---|
| 91 | void constraints() { |
---|
| 92 | Item item; |
---|
| 93 | reader.read(is, item); |
---|
| 94 | } |
---|
| 95 | _ItemReader& reader; |
---|
| 96 | std::istream& is; |
---|
| 97 | }; |
---|
| 98 | |
---|
| 99 | }; |
---|
[1421] | 100 | |
---|
[1705] | 101 | template <typename Map> |
---|
| 102 | struct Ref { typedef Map& Type; }; |
---|
| 103 | template <typename Map> |
---|
| 104 | struct Arg { typedef Map& Type; }; |
---|
| 105 | |
---|
| 106 | template <typename Graph, typename Map> |
---|
| 107 | class ForwardComposeMap { |
---|
[1421] | 108 | public: |
---|
[1909] | 109 | typedef typename Graph::UEdge Key; |
---|
[1705] | 110 | typedef typename Map::Value Value; |
---|
| 111 | |
---|
| 112 | ForwardComposeMap(const Graph& _graph, typename Arg<Map>::Type _map) |
---|
| 113 | : graph(_graph), map(_map) {} |
---|
[1421] | 114 | |
---|
[1705] | 115 | void set(const Key& key, const Value& val) { |
---|
| 116 | map.set(graph.direct(key, true), val); |
---|
[1421] | 117 | } |
---|
| 118 | |
---|
| 119 | private: |
---|
[2282] | 120 | const Graph& graph; |
---|
[1705] | 121 | typename Ref<Map>::Type map; |
---|
[1421] | 122 | }; |
---|
| 123 | |
---|
[1705] | 124 | template <typename Graph, typename Map> |
---|
| 125 | ForwardComposeMap<Graph, Map> |
---|
| 126 | forwardComposeMap(const Graph& graph, const Map& map) { |
---|
| 127 | return ForwardComposeMap<Graph, Map>(graph, map); |
---|
[1421] | 128 | } |
---|
| 129 | |
---|
[1705] | 130 | template <typename Graph, typename Map> |
---|
| 131 | ForwardComposeMap<Graph, Map> |
---|
| 132 | forwardComposeMap(const Graph& graph, Map& map) { |
---|
| 133 | return ForwardComposeMap<Graph, Map>(graph, map); |
---|
[1421] | 134 | } |
---|
[1705] | 135 | |
---|
| 136 | template <typename Graph, typename Map> |
---|
| 137 | class BackwardComposeMap { |
---|
| 138 | public: |
---|
[1909] | 139 | typedef typename Graph::UEdge Key; |
---|
[1705] | 140 | typedef typename Map::Value Value; |
---|
| 141 | |
---|
| 142 | BackwardComposeMap(const Graph& _graph, typename Arg<Map>::Type _map) |
---|
| 143 | : graph(_graph), map(_map) {} |
---|
| 144 | |
---|
| 145 | void set(const Key& key, const Value& val) { |
---|
| 146 | map.set(graph.direct(key, false), val); |
---|
| 147 | } |
---|
| 148 | |
---|
| 149 | private: |
---|
[2282] | 150 | const Graph& graph; |
---|
[1705] | 151 | typename Ref<Map>::Type map; |
---|
| 152 | }; |
---|
| 153 | |
---|
| 154 | |
---|
| 155 | template <typename Graph, typename Map> |
---|
| 156 | BackwardComposeMap<Graph, Map> |
---|
| 157 | backwardComposeMap(const Graph& graph, const Map& map) { |
---|
| 158 | return BackwardComposeMap<Graph, Map>(graph, map); |
---|
| 159 | } |
---|
| 160 | |
---|
| 161 | template <typename Graph, typename Map> |
---|
| 162 | BackwardComposeMap<Graph, Map> |
---|
| 163 | backwardComposeMap(const Graph& graph, Map& map) { |
---|
| 164 | return BackwardComposeMap<Graph, Map>(graph, map); |
---|
| 165 | } |
---|
| 166 | |
---|
| 167 | template <typename Graph, typename Map> |
---|
| 168 | struct Ref<ForwardComposeMap<Graph, Map> > { |
---|
| 169 | typedef ForwardComposeMap<Graph, Map> Type; |
---|
| 170 | }; |
---|
| 171 | template <typename Graph, typename Map> |
---|
| 172 | struct Arg<ForwardComposeMap<Graph, Map> > { |
---|
| 173 | typedef const ForwardComposeMap<Graph, Map>& Type; |
---|
| 174 | }; |
---|
| 175 | |
---|
| 176 | template <typename Graph, typename Map> |
---|
| 177 | struct Ref<BackwardComposeMap<Graph, Map> > { |
---|
| 178 | typedef BackwardComposeMap<Graph, Map> Type; |
---|
| 179 | }; |
---|
| 180 | template <typename Graph, typename Map> |
---|
| 181 | struct Arg<BackwardComposeMap<Graph, Map> > { |
---|
| 182 | typedef const BackwardComposeMap<Graph, Map>& Type; |
---|
| 183 | }; |
---|
| 184 | |
---|
| 185 | template <typename Map> |
---|
[2207] | 186 | struct Ref<dim2::XMap<Map> > { |
---|
| 187 | typedef dim2::XMap<Map> Type; |
---|
[1705] | 188 | }; |
---|
| 189 | template <typename Map> |
---|
[2207] | 190 | struct Arg<dim2::XMap<Map> > { |
---|
| 191 | typedef const dim2::XMap<Map>& Type; |
---|
[1705] | 192 | }; |
---|
| 193 | |
---|
| 194 | template <typename Map> |
---|
[2207] | 195 | struct Ref<dim2::YMap<Map> > { |
---|
| 196 | typedef dim2::YMap<Map> Type; |
---|
[1705] | 197 | }; |
---|
| 198 | template <typename Map> |
---|
[2207] | 199 | struct Arg<dim2::YMap<Map> > { |
---|
| 200 | typedef const dim2::YMap<Map>& Type; |
---|
[1705] | 201 | }; |
---|
| 202 | |
---|
[1845] | 203 | |
---|
| 204 | template <typename _Item> |
---|
| 205 | class MapReaderBase; |
---|
| 206 | |
---|
| 207 | template <typename _Item> |
---|
| 208 | class MapInverterBase : public MapReaderBase<_Item> { |
---|
| 209 | public: |
---|
| 210 | typedef _Item Item; |
---|
| 211 | virtual void read(std::istream&, const Item&) = 0; |
---|
| 212 | virtual Item read(std::istream&) const = 0; |
---|
| 213 | |
---|
| 214 | virtual MapInverterBase<_Item>* getInverter() { |
---|
| 215 | return this; |
---|
| 216 | } |
---|
| 217 | }; |
---|
| 218 | |
---|
| 219 | template <typename _Item, typename _Map, typename _Reader> |
---|
| 220 | class MapReaderInverter : public MapInverterBase<_Item> { |
---|
| 221 | public: |
---|
| 222 | typedef _Item Item; |
---|
| 223 | typedef _Reader Reader; |
---|
| 224 | typedef typename Reader::Value Value; |
---|
| 225 | typedef _Map Map; |
---|
| 226 | typedef std::map<Value, Item, _reader_bits::Less<Value> > Inverse; |
---|
| 227 | |
---|
| 228 | typename _reader_bits::Ref<Map>::Type map; |
---|
| 229 | Reader reader; |
---|
| 230 | Inverse inverse; |
---|
| 231 | |
---|
| 232 | MapReaderInverter(typename _reader_bits::Arg<Map>::Type _map, |
---|
| 233 | const Reader& _reader) |
---|
| 234 | : map(_map), reader(_reader) {} |
---|
| 235 | |
---|
| 236 | virtual ~MapReaderInverter() {} |
---|
| 237 | |
---|
| 238 | virtual void read(std::istream& is, const Item& item) { |
---|
| 239 | Value value; |
---|
| 240 | reader.read(is, value); |
---|
| 241 | map.set(item, value); |
---|
| 242 | typename Inverse::iterator it = inverse.find(value); |
---|
| 243 | if (it == inverse.end()) { |
---|
| 244 | inverse.insert(std::make_pair(value, item)); |
---|
| 245 | } else { |
---|
[1901] | 246 | throw DataFormatError("Multiple label occurence"); |
---|
[1845] | 247 | } |
---|
| 248 | } |
---|
| 249 | |
---|
| 250 | virtual Item read(std::istream& is) const { |
---|
| 251 | Value value; |
---|
| 252 | reader.read(is, value); |
---|
| 253 | typename Inverse::const_iterator it = inverse.find(value); |
---|
| 254 | if (it != inverse.end()) { |
---|
| 255 | return it->second; |
---|
| 256 | } else { |
---|
[2461] | 257 | ErrorMessage msg; |
---|
| 258 | msg << "Invalid label error: " << value; |
---|
| 259 | throw DataFormatError(msg.message()); |
---|
[1845] | 260 | } |
---|
| 261 | } |
---|
| 262 | }; |
---|
| 263 | |
---|
| 264 | template <typename _Item, typename _Reader> |
---|
| 265 | class SkipReaderInverter : public MapInverterBase<_Item> { |
---|
| 266 | public: |
---|
| 267 | typedef _Item Item; |
---|
| 268 | typedef _Reader Reader; |
---|
| 269 | typedef typename Reader::Value Value; |
---|
| 270 | typedef std::map<Value, Item, _reader_bits::Less<Value> > Inverse; |
---|
| 271 | |
---|
| 272 | Reader reader; |
---|
| 273 | |
---|
| 274 | SkipReaderInverter(const Reader& _reader) |
---|
| 275 | : reader(_reader) {} |
---|
| 276 | |
---|
| 277 | virtual ~SkipReaderInverter() {} |
---|
| 278 | |
---|
| 279 | virtual void read(std::istream& is, const Item& item) { |
---|
| 280 | Value value; |
---|
| 281 | reader.read(is, value); |
---|
| 282 | typename Inverse::iterator it = inverse.find(value); |
---|
| 283 | if (it == inverse.end()) { |
---|
| 284 | inverse.insert(std::make_pair(value, item)); |
---|
| 285 | } else { |
---|
[1901] | 286 | throw DataFormatError("Multiple label occurence error"); |
---|
[1845] | 287 | } |
---|
| 288 | } |
---|
| 289 | |
---|
| 290 | virtual Item read(std::istream& is) const { |
---|
| 291 | Value value; |
---|
| 292 | reader.read(is, value); |
---|
| 293 | typename Inverse::const_iterator it = inverse.find(value); |
---|
| 294 | if (it != inverse.end()) { |
---|
| 295 | return it->second; |
---|
| 296 | } else { |
---|
[2461] | 297 | ErrorMessage msg; |
---|
| 298 | msg << "Invalid label error: " << value; |
---|
| 299 | throw DataFormatError(msg.message()); |
---|
[1845] | 300 | } |
---|
| 301 | } |
---|
| 302 | |
---|
| 303 | private: |
---|
| 304 | Inverse inverse; |
---|
| 305 | }; |
---|
| 306 | |
---|
| 307 | template <typename _Item> |
---|
| 308 | class MapReaderBase { |
---|
| 309 | public: |
---|
| 310 | typedef _Item Item; |
---|
| 311 | |
---|
| 312 | MapReaderBase() { _touched = false; } |
---|
| 313 | |
---|
| 314 | void touch() { _touched = true; } |
---|
| 315 | bool touched() const { return _touched; } |
---|
| 316 | |
---|
| 317 | virtual ~MapReaderBase() {} |
---|
| 318 | |
---|
| 319 | virtual void read(std::istream& is, const Item& item) = 0; |
---|
| 320 | virtual MapInverterBase<_Item>* getInverter() = 0; |
---|
| 321 | |
---|
| 322 | private: |
---|
| 323 | bool _touched; |
---|
| 324 | |
---|
| 325 | }; |
---|
| 326 | |
---|
| 327 | template <typename _Item, typename _Map, typename _Reader> |
---|
| 328 | class MapReader : public MapReaderBase<_Item> { |
---|
| 329 | public: |
---|
| 330 | typedef _Map Map; |
---|
| 331 | typedef _Reader Reader; |
---|
| 332 | typedef typename Reader::Value Value; |
---|
| 333 | typedef _Item Item; |
---|
| 334 | |
---|
| 335 | typename _reader_bits::Ref<Map>::Type map; |
---|
| 336 | Reader reader; |
---|
| 337 | |
---|
| 338 | MapReader(typename _reader_bits::Arg<Map>::Type _map, |
---|
| 339 | const Reader& _reader) |
---|
| 340 | : map(_map), reader(_reader) {} |
---|
| 341 | |
---|
| 342 | virtual ~MapReader() {} |
---|
| 343 | |
---|
| 344 | virtual void read(std::istream& is, const Item& item) { |
---|
| 345 | Value value; |
---|
| 346 | reader.read(is, value); |
---|
| 347 | map.set(item, value); |
---|
| 348 | } |
---|
| 349 | |
---|
| 350 | virtual MapInverterBase<_Item>* getInverter() { |
---|
| 351 | return new MapReaderInverter<Item, Map, Reader>(map, reader); |
---|
| 352 | } |
---|
| 353 | }; |
---|
| 354 | |
---|
| 355 | |
---|
| 356 | template <typename _Item, typename _Reader> |
---|
| 357 | class SkipReader : public MapReaderBase<_Item> { |
---|
| 358 | public: |
---|
| 359 | typedef _Reader Reader; |
---|
| 360 | typedef typename Reader::Value Value; |
---|
| 361 | typedef _Item Item; |
---|
| 362 | |
---|
| 363 | Reader reader; |
---|
| 364 | SkipReader(const Reader& _reader) : reader(_reader) {} |
---|
| 365 | |
---|
| 366 | virtual ~SkipReader() {} |
---|
| 367 | |
---|
| 368 | virtual void read(std::istream& is, const Item&) { |
---|
| 369 | Value value; |
---|
| 370 | reader.read(is, value); |
---|
| 371 | } |
---|
| 372 | |
---|
| 373 | virtual MapInverterBase<Item>* getInverter() { |
---|
| 374 | return new SkipReaderInverter<Item, Reader>(reader); |
---|
| 375 | } |
---|
| 376 | }; |
---|
| 377 | |
---|
| 378 | template <typename _Item> |
---|
[1901] | 379 | class LabelReaderBase { |
---|
[1845] | 380 | public: |
---|
| 381 | typedef _Item Item; |
---|
[1901] | 382 | virtual ~LabelReaderBase() {} |
---|
[1845] | 383 | virtual Item read(std::istream& is) const = 0; |
---|
[1901] | 384 | virtual bool isLabelReader() const = 0; |
---|
[1845] | 385 | }; |
---|
| 386 | |
---|
[1901] | 387 | template <typename _Item, typename _BoxedLabelReader> |
---|
| 388 | class LabelReader : public LabelReaderBase<_Item> { |
---|
[1845] | 389 | public: |
---|
| 390 | typedef _Item Item; |
---|
[1901] | 391 | typedef _BoxedLabelReader BoxedLabelReader; |
---|
[1845] | 392 | |
---|
[1901] | 393 | const BoxedLabelReader& boxedLabelReader; |
---|
[1845] | 394 | |
---|
[1901] | 395 | LabelReader(const BoxedLabelReader& _boxedLabelReader) |
---|
| 396 | : boxedLabelReader(_boxedLabelReader) {} |
---|
[1845] | 397 | |
---|
| 398 | virtual Item read(std::istream& is) const { |
---|
| 399 | Item item; |
---|
[1901] | 400 | boxedLabelReader.readLabel(is, item); |
---|
[1845] | 401 | return item; |
---|
| 402 | } |
---|
| 403 | |
---|
[1901] | 404 | virtual bool isLabelReader() const { |
---|
| 405 | return boxedLabelReader.isLabelReader(); |
---|
[1845] | 406 | } |
---|
| 407 | }; |
---|
| 408 | |
---|
| 409 | template <typename _Item> |
---|
| 410 | class ItemStore { |
---|
| 411 | public: |
---|
| 412 | |
---|
| 413 | typedef _Item Item; |
---|
| 414 | |
---|
| 415 | ItemStore(Item& _item) : item(&_item) { |
---|
| 416 | _touched = false; |
---|
| 417 | } |
---|
| 418 | |
---|
| 419 | void touch() { _touched = true; } |
---|
| 420 | bool touched() const { return _touched; } |
---|
| 421 | |
---|
| 422 | void read(const Item& _item) { |
---|
| 423 | *item = _item; |
---|
| 424 | } |
---|
| 425 | |
---|
| 426 | private: |
---|
| 427 | Item* item; |
---|
| 428 | bool _touched; |
---|
| 429 | }; |
---|
| 430 | |
---|
| 431 | class ValueReaderBase { |
---|
| 432 | public: |
---|
| 433 | virtual void read(std::istream&) {}; |
---|
[1846] | 434 | ValueReaderBase() { _touched = false; } |
---|
| 435 | |
---|
| 436 | void touch() { _touched = true; } |
---|
| 437 | bool touched() const { return _touched; } |
---|
| 438 | |
---|
[1845] | 439 | virtual ~ValueReaderBase() {} |
---|
[1846] | 440 | private: |
---|
| 441 | bool _touched; |
---|
[1845] | 442 | }; |
---|
| 443 | |
---|
| 444 | template <typename _Value, typename _Reader> |
---|
| 445 | class ValueReader : public ValueReaderBase { |
---|
| 446 | public: |
---|
| 447 | typedef _Value Value; |
---|
| 448 | typedef _Reader Reader; |
---|
| 449 | |
---|
| 450 | ValueReader(Value& _value, const Reader& _reader) |
---|
| 451 | : value(_value), reader(_reader) {} |
---|
| 452 | |
---|
| 453 | virtual void read(std::istream& is) { |
---|
| 454 | reader.read(is, value); |
---|
| 455 | } |
---|
| 456 | private: |
---|
| 457 | Value& value; |
---|
| 458 | Reader reader; |
---|
| 459 | }; |
---|
| 460 | |
---|
[1421] | 461 | } |
---|
| 462 | |
---|
[2084] | 463 | /// \ingroup lemon_io |
---|
[1408] | 464 | /// \brief Lemon Format reader class. |
---|
| 465 | /// |
---|
[1409] | 466 | /// The Lemon Format contains several sections. We do not want to |
---|
| 467 | /// determine what sections are in a lemon file we give only a framework |
---|
| 468 | /// to read a section oriented format. |
---|
| 469 | /// |
---|
[2334] | 470 | /// In the Lemon Format each section starts with a line containing a |
---|
| 471 | /// \c \@ character on the first not white space position. This line |
---|
| 472 | /// is the header line of the section. Each of the next lines belong |
---|
| 473 | /// to this section until a line starting with \c \@ character is |
---|
| 474 | /// found. This line can start a new section or it can close the |
---|
| 475 | /// file with the \c \@end line. The file format ignores the empty |
---|
| 476 | /// and comment lines. The line is comment line if it starts with a |
---|
| 477 | /// \c # character. |
---|
[1409] | 478 | /// |
---|
| 479 | /// The framework provides an abstract LemonReader::SectionReader class |
---|
[2334] | 480 | /// that defines the interface of a SectionReader. The SectionReader |
---|
| 481 | /// has the \c header() member function that gets a header line string and |
---|
| 482 | /// decides if it wants to process the next section. Several SectionReaders |
---|
| 483 | /// can be attached to a LemonReader and the first attached that can |
---|
| 484 | /// process the section will be used. Its \c read() member will be called |
---|
| 485 | /// with a stream containing the section. From this stream the empty and |
---|
[1427] | 486 | /// comment lines are filtered out. |
---|
[1409] | 487 | /// |
---|
| 488 | /// \relates GraphReader |
---|
| 489 | /// \relates NodeSetReader |
---|
| 490 | /// \relates EdgeSetReader |
---|
| 491 | /// \relates NodesReader |
---|
| 492 | /// \relates EdgesReader |
---|
| 493 | /// \relates AttributeReader |
---|
[1408] | 494 | class LemonReader { |
---|
| 495 | private: |
---|
| 496 | |
---|
| 497 | class FilterStreamBuf : public std::streambuf { |
---|
| 498 | public: |
---|
| 499 | |
---|
| 500 | typedef std::streambuf Parent; |
---|
| 501 | typedef Parent::char_type char_type; |
---|
| 502 | FilterStreamBuf(std::istream& is, int& num) |
---|
| 503 | : _is(is), _base(0), _eptr(0), |
---|
| 504 | _num(num), skip_state(after_endl) {} |
---|
| 505 | |
---|
| 506 | protected: |
---|
| 507 | |
---|
| 508 | enum skip_state_type { |
---|
| 509 | no_skip, |
---|
| 510 | after_endl, |
---|
[1427] | 511 | comment_line |
---|
[1408] | 512 | }; |
---|
| 513 | |
---|
| 514 | char_type small_buf[1]; |
---|
| 515 | |
---|
| 516 | |
---|
| 517 | std::istream& _is; |
---|
| 518 | |
---|
| 519 | char_type* _base; |
---|
| 520 | char_type* _eptr; |
---|
| 521 | |
---|
| 522 | int& _num; |
---|
| 523 | |
---|
| 524 | skip_state_type skip_state; |
---|
| 525 | |
---|
| 526 | |
---|
| 527 | char_type* base() { return _base; } |
---|
| 528 | |
---|
| 529 | char_type* eptr() { return _eptr; } |
---|
| 530 | |
---|
[2084] | 531 | int_type blen() { return _eptr - _base; } |
---|
[1408] | 532 | |
---|
[2084] | 533 | void setb(char_type* buf, int_type len) { |
---|
[1408] | 534 | _base = buf; |
---|
| 535 | _eptr = buf + len; |
---|
| 536 | } |
---|
| 537 | |
---|
[1722] | 538 | virtual std::streambuf* setbuf(char *buf, std::streamsize len) { |
---|
[1408] | 539 | if (base()) return 0; |
---|
[2386] | 540 | if (buf != 0 && len >= int(sizeof(small_buf))) { |
---|
[1408] | 541 | setb(buf, len); |
---|
| 542 | } else { |
---|
| 543 | setb(small_buf, sizeof(small_buf)); |
---|
| 544 | } |
---|
| 545 | setg(0, 0, 0); |
---|
| 546 | return this; |
---|
| 547 | } |
---|
| 548 | |
---|
| 549 | bool put_char(char c) { |
---|
| 550 | switch (skip_state) { |
---|
| 551 | case no_skip: |
---|
| 552 | switch (c) { |
---|
| 553 | case '\n': |
---|
| 554 | skip_state = after_endl; |
---|
| 555 | return true; |
---|
| 556 | default: |
---|
| 557 | return true; |
---|
| 558 | } |
---|
| 559 | case after_endl: |
---|
| 560 | switch (c) { |
---|
| 561 | case '@': |
---|
| 562 | return false; |
---|
| 563 | case '\n': |
---|
| 564 | return false; |
---|
| 565 | case '#': |
---|
[1427] | 566 | skip_state = comment_line; |
---|
[1408] | 567 | return false; |
---|
| 568 | default: |
---|
| 569 | if (!isspace(c)) { |
---|
| 570 | skip_state = no_skip; |
---|
| 571 | return true; |
---|
| 572 | } else { |
---|
| 573 | return false; |
---|
| 574 | } |
---|
| 575 | } |
---|
| 576 | break; |
---|
[1427] | 577 | case comment_line: |
---|
[1408] | 578 | switch (c) { |
---|
| 579 | case '\n': |
---|
| 580 | skip_state = after_endl; |
---|
| 581 | return false; |
---|
| 582 | default: |
---|
| 583 | return false; |
---|
| 584 | } |
---|
| 585 | } |
---|
| 586 | return false; |
---|
| 587 | } |
---|
| 588 | |
---|
[2084] | 589 | virtual int_type underflow() { |
---|
[1408] | 590 | char c; |
---|
| 591 | if (_is.read(&c, 1)) { |
---|
| 592 | _is.putback(c); |
---|
| 593 | if (c == '@') { |
---|
| 594 | return EOF; |
---|
| 595 | } |
---|
| 596 | } else { |
---|
| 597 | return EOF; |
---|
| 598 | } |
---|
| 599 | char_type *ptr; |
---|
| 600 | for (ptr = base(); ptr != eptr(); ++ptr) { |
---|
| 601 | if (_is.read(&c, 1)) { |
---|
| 602 | if (c == '\n') ++_num; |
---|
| 603 | if (put_char(c)) { |
---|
| 604 | *ptr = c; |
---|
| 605 | } else { |
---|
| 606 | if (skip_state == after_endl && c == '@') { |
---|
| 607 | _is.putback('@'); |
---|
| 608 | break; |
---|
| 609 | } |
---|
| 610 | --ptr; |
---|
| 611 | } |
---|
| 612 | } else { |
---|
| 613 | break; |
---|
| 614 | } |
---|
| 615 | } |
---|
| 616 | setg(base(), base(), ptr); |
---|
| 617 | return *base(); |
---|
| 618 | } |
---|
| 619 | |
---|
[2084] | 620 | virtual int_type sync() { |
---|
[1408] | 621 | return EOF; |
---|
| 622 | } |
---|
[2460] | 623 | |
---|
| 624 | public: |
---|
| 625 | |
---|
| 626 | int line_num() const { |
---|
| 627 | int r = _num; |
---|
| 628 | for (char_type* p = gptr(); p != egptr(); ++p) { |
---|
| 629 | if (*p == '\n') --r; |
---|
| 630 | } |
---|
| 631 | return r; |
---|
| 632 | } |
---|
| 633 | |
---|
[1408] | 634 | }; |
---|
| 635 | |
---|
| 636 | public: |
---|
| 637 | |
---|
[1409] | 638 | /// \brief Abstract base class for reading a section. |
---|
| 639 | /// |
---|
| 640 | /// This class has an \c header() member function what get a |
---|
| 641 | /// header line string and decides if it want to process the next |
---|
| 642 | /// section. Several SectionReaders can be attached to an LemonReader |
---|
| 643 | /// and the first attached what can process the section will be used. |
---|
| 644 | /// Its \c read() member will called with a stream contains the section. |
---|
| 645 | /// From this stream the empty lines and comments are filtered out. |
---|
[1408] | 646 | class SectionReader { |
---|
[1409] | 647 | friend class LemonReader; |
---|
| 648 | protected: |
---|
| 649 | /// \brief Constructor for SectionReader. |
---|
| 650 | /// |
---|
| 651 | /// Constructor for SectionReader. It attach this reader to |
---|
| 652 | /// the given LemonReader. |
---|
| 653 | SectionReader(LemonReader& reader) { |
---|
| 654 | reader.attach(*this); |
---|
| 655 | } |
---|
| 656 | |
---|
[1494] | 657 | virtual ~SectionReader() {} |
---|
| 658 | |
---|
[1409] | 659 | /// \brief Gives back true when the SectionReader can process |
---|
| 660 | /// the section with the given header line. |
---|
| 661 | /// |
---|
| 662 | /// It gives back true when the SectionReader can process |
---|
| 663 | /// the section with the given header line. |
---|
[1408] | 664 | virtual bool header(const std::string& line) = 0; |
---|
[1409] | 665 | |
---|
| 666 | /// \brief Reader function of the section. |
---|
| 667 | /// |
---|
| 668 | /// It reads the content of the section. |
---|
[1408] | 669 | virtual void read(std::istream& is) = 0; |
---|
[2000] | 670 | |
---|
| 671 | /// \brief The given section missing in the file. |
---|
| 672 | /// |
---|
| 673 | /// The given section missing in the file. |
---|
| 674 | virtual void missing() {}; |
---|
[1408] | 675 | }; |
---|
| 676 | |
---|
[1409] | 677 | /// \brief Constructor for LemonReader. |
---|
| 678 | /// |
---|
| 679 | /// Constructor for LemonReader which reads from the given stream. |
---|
[1408] | 680 | LemonReader(std::istream& _is) |
---|
| 681 | : is(&_is), own_is(false) {} |
---|
| 682 | |
---|
[1409] | 683 | /// \brief Constructor for LemonReader. |
---|
| 684 | /// |
---|
| 685 | /// Constructor for LemonReader which reads from the given file. |
---|
[1408] | 686 | LemonReader(const std::string& filename) |
---|
| 687 | : is(0), own_is(true) { |
---|
| 688 | is = new std::ifstream(filename.c_str()); |
---|
[1746] | 689 | if (is->fail()) { |
---|
| 690 | throw FileOpenError(filename); |
---|
| 691 | } |
---|
[1408] | 692 | } |
---|
| 693 | |
---|
[1409] | 694 | /// \brief Desctructor for LemonReader. |
---|
| 695 | /// |
---|
| 696 | /// Desctructor for LemonReader. |
---|
[1408] | 697 | ~LemonReader() { |
---|
| 698 | if (own_is) { |
---|
| 699 | delete is; |
---|
| 700 | } |
---|
| 701 | } |
---|
| 702 | |
---|
| 703 | private: |
---|
| 704 | LemonReader(const LemonReader&); |
---|
| 705 | void operator=(const LemonReader&); |
---|
| 706 | |
---|
| 707 | void attach(SectionReader& reader) { |
---|
[2000] | 708 | readers.push_back(std::make_pair(&reader, false)); |
---|
[1408] | 709 | } |
---|
| 710 | |
---|
[1409] | 711 | public: |
---|
| 712 | /// \brief Executes the LemonReader. |
---|
| 713 | /// |
---|
| 714 | /// It executes the LemonReader. |
---|
[1408] | 715 | void run() { |
---|
| 716 | int line_num = 0; |
---|
| 717 | std::string line; |
---|
[2460] | 718 | |
---|
| 719 | SectionReaders::iterator it; |
---|
| 720 | while ((++line_num, getline(*is, line)) && line.find("@end") != 0) { |
---|
| 721 | for (it = readers.begin(); it != readers.end(); ++it) { |
---|
| 722 | if (it->first->header(line)) { |
---|
| 723 | it->second = true; |
---|
| 724 | char buf[2048]; |
---|
| 725 | FilterStreamBuf buffer(*is, line_num); |
---|
| 726 | |
---|
| 727 | try { |
---|
[1408] | 728 | buffer.pubsetbuf(buf, sizeof(buf)); |
---|
[2386] | 729 | std::istream ss(&buffer); |
---|
| 730 | it->first->read(ss); |
---|
[1408] | 731 | break; |
---|
[2460] | 732 | } catch (DataFormatError& error) { |
---|
| 733 | error.line(buffer.line_num()); |
---|
| 734 | throw; |
---|
| 735 | } |
---|
[1408] | 736 | } |
---|
| 737 | } |
---|
[2460] | 738 | } |
---|
| 739 | for (it = readers.begin(); it != readers.end(); ++it) { |
---|
| 740 | if (!it->second) { |
---|
| 741 | try { |
---|
| 742 | it->first->missing(); |
---|
| 743 | } catch (DataFormatError& error) { |
---|
| 744 | error.line(line_num); |
---|
| 745 | throw; |
---|
| 746 | } |
---|
| 747 | } |
---|
| 748 | } |
---|
[1408] | 749 | } |
---|
| 750 | |
---|
| 751 | |
---|
| 752 | private: |
---|
| 753 | |
---|
| 754 | std::istream* is; |
---|
| 755 | bool own_is; |
---|
| 756 | |
---|
[2000] | 757 | typedef std::vector<std::pair<SectionReader*, bool> > SectionReaders; |
---|
[1408] | 758 | SectionReaders readers; |
---|
| 759 | |
---|
| 760 | }; |
---|
| 761 | |
---|
[2016] | 762 | /// \ingroup section_io |
---|
[1409] | 763 | /// \brief SectionReader for reading a graph's nodeset. |
---|
| 764 | /// |
---|
[2368] | 765 | /// The lemon format can store multiple graph nodesets with several |
---|
| 766 | /// maps. The nodeset section's header line is \c \@nodeset \c |
---|
| 767 | /// nodeset_name, but the \c nodeset_name may be empty. |
---|
[1409] | 768 | /// |
---|
| 769 | /// The first line of the section contains the names of the maps separated |
---|
| 770 | /// with white spaces. Each next lines describes a node in the nodeset, and |
---|
| 771 | /// contains the mapped values for each map. |
---|
| 772 | /// |
---|
[1901] | 773 | /// If the nodeset contains an \c "label" named map then it will be regarded |
---|
[1409] | 774 | /// as id map. This map should contain only unique values and when the |
---|
[1901] | 775 | /// \c readLabel() member will read a value from the given stream it will |
---|
[1409] | 776 | /// give back that node which is mapped to this value. |
---|
| 777 | /// |
---|
| 778 | /// \relates LemonReader |
---|
[1408] | 779 | template <typename _Graph, typename _Traits = DefaultReaderTraits> |
---|
[1845] | 780 | class NodeSetReader : public LemonReader::SectionReader { |
---|
| 781 | typedef LemonReader::SectionReader Parent; |
---|
[1408] | 782 | public: |
---|
| 783 | |
---|
| 784 | typedef _Graph Graph; |
---|
| 785 | typedef _Traits Traits; |
---|
[1429] | 786 | typedef typename Graph::Node Node; |
---|
[1408] | 787 | typedef typename Traits::Skipper DefaultSkipper; |
---|
| 788 | |
---|
[1409] | 789 | /// \brief Constructor. |
---|
| 790 | /// |
---|
| 791 | /// Constructor for NodeSetReader. It creates the NodeSetReader and |
---|
| 792 | /// attach it into the given LemonReader. The nodeset reader will |
---|
[2100] | 793 | /// add the read nodes to the given Graph. The reader will read |
---|
[1901] | 794 | /// the section when the \c section_name and the \c _name are the same. |
---|
[1421] | 795 | NodeSetReader(LemonReader& _reader, |
---|
[1705] | 796 | Graph& _graph, |
---|
[1901] | 797 | const std::string& _name = std::string(), |
---|
[1409] | 798 | const DefaultSkipper& _skipper = DefaultSkipper()) |
---|
[1901] | 799 | : Parent(_reader), graph(_graph), name(_name), skipper(_skipper) {} |
---|
[1408] | 800 | |
---|
[1409] | 801 | |
---|
| 802 | /// \brief Destructor. |
---|
| 803 | /// |
---|
| 804 | /// Destructor for NodeSetReader. |
---|
[1408] | 805 | virtual ~NodeSetReader() { |
---|
| 806 | for (typename MapReaders::iterator it = readers.begin(); |
---|
| 807 | it != readers.end(); ++it) { |
---|
| 808 | delete it->second; |
---|
| 809 | } |
---|
| 810 | } |
---|
| 811 | |
---|
| 812 | private: |
---|
| 813 | NodeSetReader(const NodeSetReader&); |
---|
| 814 | void operator=(const NodeSetReader&); |
---|
| 815 | |
---|
| 816 | public: |
---|
| 817 | |
---|
| 818 | /// \brief Add a new node map reader command for the reader. |
---|
| 819 | /// |
---|
| 820 | /// Add a new node map reader command for the reader. |
---|
| 821 | template <typename Map> |
---|
[2386] | 822 | NodeSetReader& readNodeMap(std::string label, Map& map) { |
---|
[1421] | 823 | return _readMap< |
---|
| 824 | typename Traits::template Reader<typename Map::Value>, Map, |
---|
[2386] | 825 | typename _reader_bits::Arg<Map>::Type>(label, map); |
---|
[1421] | 826 | } |
---|
| 827 | |
---|
| 828 | template <typename Map> |
---|
[2386] | 829 | NodeSetReader& readNodeMap(std::string label, const Map& map) { |
---|
[1421] | 830 | return _readMap< |
---|
| 831 | typename Traits::template Reader<typename Map::Value>, Map, |
---|
[2386] | 832 | typename _reader_bits::Arg<Map>::Type>(label, map); |
---|
[1408] | 833 | } |
---|
| 834 | |
---|
| 835 | /// \brief Add a new node map reader command for the reader. |
---|
| 836 | /// |
---|
| 837 | /// Add a new node map reader command for the reader. |
---|
[2386] | 838 | template <typename ItemReader, typename Map> |
---|
| 839 | NodeSetReader& readNodeMap(std::string label, Map& map, |
---|
| 840 | const ItemReader& ir = ItemReader()) { |
---|
| 841 | return _readMap<ItemReader, Map, typename _reader_bits::Arg<Map>::Type> |
---|
| 842 | (label, map, ir); |
---|
[1421] | 843 | } |
---|
| 844 | |
---|
[2386] | 845 | template <typename ItemReader, typename Map> |
---|
| 846 | NodeSetReader& readNodeMap(std::string label, const Map& map, |
---|
| 847 | const ItemReader& ir = ItemReader()) { |
---|
| 848 | return _readMap<ItemReader, Map, typename _reader_bits::Arg<Map>::Type> |
---|
| 849 | (label, map, ir); |
---|
[1421] | 850 | } |
---|
| 851 | |
---|
| 852 | private: |
---|
| 853 | |
---|
[2386] | 854 | template <typename ItemReader, typename Map, typename MapParameter> |
---|
| 855 | NodeSetReader& _readMap(std::string label, MapParameter map, |
---|
| 856 | const ItemReader& ir = ItemReader()) { |
---|
[2260] | 857 | checkConcept<concepts::WriteMap<Node, typename Map::Value>, Map>(); |
---|
[2386] | 858 | checkConcept<_reader_bits::ItemReader<typename Map::Value>, ItemReader>(); |
---|
| 859 | if (readers.find(label) != readers.end()) { |
---|
[1408] | 860 | ErrorMessage msg; |
---|
[2386] | 861 | msg << "Multiple read rule for node map: " << label; |
---|
[2153] | 862 | throw IoParameterError(msg.message()); |
---|
[1845] | 863 | } |
---|
[1408] | 864 | readers.insert( |
---|
[2386] | 865 | make_pair(label, new _reader_bits:: |
---|
| 866 | MapReader<Node, Map, ItemReader>(map, ir))); |
---|
[1408] | 867 | return *this; |
---|
| 868 | } |
---|
| 869 | |
---|
[1421] | 870 | public: |
---|
| 871 | |
---|
[1408] | 872 | /// \brief Add a new node map skipper command for the reader. |
---|
| 873 | /// |
---|
| 874 | /// Add a new node map skipper command for the reader. |
---|
[2386] | 875 | template <typename ItemReader> |
---|
| 876 | NodeSetReader& skipNodeMap(std::string label, |
---|
| 877 | const ItemReader& ir = ItemReader()) { |
---|
| 878 | if (readers.find(label) != readers.end()) { |
---|
[1408] | 879 | ErrorMessage msg; |
---|
[2386] | 880 | msg << "Multiple read rule for node map: " << label; |
---|
[2153] | 881 | throw IoParameterError(msg.message()); |
---|
[1408] | 882 | } |
---|
[2386] | 883 | readers.insert(make_pair(label, new _reader_bits:: |
---|
| 884 | SkipReader<Node, ItemReader>(ir))); |
---|
[1408] | 885 | return *this; |
---|
| 886 | } |
---|
| 887 | |
---|
[1409] | 888 | protected: |
---|
| 889 | |
---|
| 890 | /// \brief Gives back true when the SectionReader can process |
---|
| 891 | /// the section with the given header line. |
---|
| 892 | /// |
---|
[1421] | 893 | /// It gives back true when the header line starts with \c \@nodeset, |
---|
[1901] | 894 | /// and the header line's name and the nodeset's name are the same. |
---|
[1408] | 895 | virtual bool header(const std::string& line) { |
---|
| 896 | std::istringstream ls(line); |
---|
| 897 | std::string command; |
---|
[1901] | 898 | std::string id; |
---|
[1997] | 899 | ls >> command >> id; |
---|
[1408] | 900 | return command == "@nodeset" && name == id; |
---|
| 901 | } |
---|
| 902 | |
---|
[1409] | 903 | /// \brief Reader function of the section. |
---|
| 904 | /// |
---|
| 905 | /// It reads the content of the section. |
---|
[1408] | 906 | virtual void read(std::istream& is) { |
---|
[1845] | 907 | std::vector<_reader_bits::MapReaderBase<Node>* > index; |
---|
[1408] | 908 | std::string line; |
---|
| 909 | |
---|
[2386] | 910 | { |
---|
| 911 | getline(is, line); |
---|
| 912 | std::istringstream ls(line); |
---|
| 913 | std::string id; |
---|
| 914 | while (ls >> id) { |
---|
| 915 | typename MapReaders::iterator it = readers.find(id); |
---|
| 916 | if (it != readers.end()) { |
---|
| 917 | it->second->touch(); |
---|
| 918 | index.push_back(it->second); |
---|
| 919 | } else { |
---|
| 920 | index.push_back(&skipper); |
---|
| 921 | } |
---|
| 922 | if (id == "label") { |
---|
| 923 | inverter.reset(index.back()->getInverter()); |
---|
| 924 | index.back() = inverter.get(); |
---|
| 925 | } |
---|
| 926 | } |
---|
[1408] | 927 | } |
---|
[1845] | 928 | for (typename MapReaders::iterator it = readers.begin(); |
---|
| 929 | it != readers.end(); ++it) { |
---|
| 930 | if (!it->second->touched()) { |
---|
| 931 | ErrorMessage msg; |
---|
| 932 | msg << "Map not found in file: " << it->first; |
---|
[2153] | 933 | throw IoParameterError(msg.message()); |
---|
[1845] | 934 | } |
---|
| 935 | } |
---|
[1408] | 936 | while (getline(is, line)) { |
---|
[1429] | 937 | Node node = graph.addNode(); |
---|
[1408] | 938 | std::istringstream ls(line); |
---|
[2386] | 939 | for (int i = 0; i < int(index.size()); ++i) { |
---|
[1408] | 940 | index[i]->read(ls, node); |
---|
| 941 | } |
---|
| 942 | } |
---|
| 943 | } |
---|
| 944 | |
---|
[2000] | 945 | virtual void missing() { |
---|
| 946 | if (readers.empty()) return; |
---|
| 947 | ErrorMessage msg; |
---|
[2001] | 948 | msg << "NodeSet section not found in file: @nodeset " << name; |
---|
[2153] | 949 | throw IoParameterError(msg.message()); |
---|
[2000] | 950 | } |
---|
| 951 | |
---|
[1409] | 952 | public: |
---|
| 953 | |
---|
[1901] | 954 | /// \brief Returns true if the nodeset can give back the node by its label. |
---|
[1409] | 955 | /// |
---|
[1901] | 956 | /// Returns true if the nodeset can give back the node by its label. |
---|
| 957 | /// It is possible only if an "label" named map was read. |
---|
| 958 | bool isLabelReader() const { |
---|
[1408] | 959 | return inverter.get() != 0; |
---|
| 960 | } |
---|
| 961 | |
---|
[1901] | 962 | /// \brief Gives back the node by its label. |
---|
[1409] | 963 | /// |
---|
| 964 | /// It reads an id from the stream and gives back which node belongs to |
---|
[1901] | 965 | /// it. It is possible only if there was read an "label" named map. |
---|
| 966 | void readLabel(std::istream& is, Node& node) const { |
---|
[1492] | 967 | node = inverter->read(is); |
---|
[1408] | 968 | } |
---|
| 969 | |
---|
| 970 | private: |
---|
| 971 | |
---|
[1845] | 972 | typedef std::map<std::string, _reader_bits::MapReaderBase<Node>*> MapReaders; |
---|
[1408] | 973 | MapReaders readers; |
---|
| 974 | |
---|
[1705] | 975 | Graph& graph; |
---|
[1901] | 976 | std::string name; |
---|
[1845] | 977 | _reader_bits::SkipReader<Node, DefaultSkipper> skipper; |
---|
[1408] | 978 | |
---|
[1845] | 979 | std::auto_ptr<_reader_bits::MapInverterBase<Node> > inverter; |
---|
[1408] | 980 | }; |
---|
| 981 | |
---|
[2016] | 982 | /// \ingroup section_io |
---|
[1409] | 983 | /// \brief SectionReader for reading a graph's edgeset. |
---|
| 984 | /// |
---|
| 985 | /// The lemon format can store multiple graph edgesets with several maps. |
---|
[1901] | 986 | /// The edgeset section's header line is \c \@edgeset \c edgeset_name, but the |
---|
| 987 | /// \c edgeset_name may be empty. |
---|
[1409] | 988 | /// |
---|
| 989 | /// The first line of the section contains the names of the maps separated |
---|
[1421] | 990 | /// with white spaces. Each next lines describes an edge in the edgeset. The |
---|
| 991 | /// line contains the source and the target nodes' id and the mapped |
---|
| 992 | /// values for each map. |
---|
[1409] | 993 | /// |
---|
[1901] | 994 | /// If the edgeset contains an \c "label" named map then it will be regarded |
---|
[1409] | 995 | /// as id map. This map should contain only unique values and when the |
---|
[1901] | 996 | /// \c readLabel() member will read a value from the given stream it will |
---|
[1409] | 997 | /// give back that edge which is mapped to this value. |
---|
| 998 | /// |
---|
| 999 | /// The edgeset reader needs a node id reader to identify which nodes |
---|
[1901] | 1000 | /// have to be connected. If a NodeSetReader reads an "label" named map, |
---|
[1409] | 1001 | /// it will be able to resolve the nodes by ids. |
---|
| 1002 | /// |
---|
| 1003 | /// \relates LemonReader |
---|
[1408] | 1004 | template <typename _Graph, typename _Traits = DefaultReaderTraits> |
---|
[1845] | 1005 | class EdgeSetReader : public LemonReader::SectionReader { |
---|
| 1006 | typedef LemonReader::SectionReader Parent; |
---|
[1408] | 1007 | public: |
---|
| 1008 | |
---|
| 1009 | typedef _Graph Graph; |
---|
| 1010 | typedef _Traits Traits; |
---|
[1429] | 1011 | typedef typename Graph::Node Node; |
---|
| 1012 | typedef typename Graph::Edge Edge; |
---|
[1408] | 1013 | typedef typename Traits::Skipper DefaultSkipper; |
---|
| 1014 | |
---|
[1409] | 1015 | /// \brief Constructor. |
---|
| 1016 | /// |
---|
| 1017 | /// Constructor for EdgeSetReader. It creates the EdgeSetReader and |
---|
| 1018 | /// attach it into the given LemonReader. The edgeset reader will |
---|
[2100] | 1019 | /// add the read edges to the given Graph. It will use the given |
---|
[1409] | 1020 | /// node id reader to read the source and target nodes of the edges. |
---|
[1901] | 1021 | /// The reader will read the section only if the \c _name and the |
---|
| 1022 | /// \c edgset_name are the same. |
---|
| 1023 | template <typename NodeLabelReader> |
---|
[1421] | 1024 | EdgeSetReader(LemonReader& _reader, |
---|
[1705] | 1025 | Graph& _graph, |
---|
[1901] | 1026 | const NodeLabelReader& _nodeLabelReader, |
---|
| 1027 | const std::string& _name = std::string(), |
---|
[1409] | 1028 | const DefaultSkipper& _skipper = DefaultSkipper()) |
---|
[1901] | 1029 | : Parent(_reader), graph(_graph), name(_name), skipper(_skipper) { |
---|
| 1030 | checkConcept<_reader_bits::ItemLabelReader<Node>, NodeLabelReader>(); |
---|
| 1031 | nodeLabelReader.reset(new _reader_bits:: |
---|
| 1032 | LabelReader<Node, NodeLabelReader>(_nodeLabelReader)); |
---|
[1476] | 1033 | } |
---|
[1409] | 1034 | /// \brief Destructor. |
---|
| 1035 | /// |
---|
| 1036 | /// Destructor for EdgeSetReader. |
---|
[1408] | 1037 | virtual ~EdgeSetReader() { |
---|
| 1038 | for (typename MapReaders::iterator it = readers.begin(); |
---|
| 1039 | it != readers.end(); ++it) { |
---|
| 1040 | delete it->second; |
---|
| 1041 | } |
---|
| 1042 | } |
---|
| 1043 | |
---|
| 1044 | private: |
---|
| 1045 | EdgeSetReader(const EdgeSetReader&); |
---|
| 1046 | void operator=(const EdgeSetReader&); |
---|
| 1047 | |
---|
| 1048 | public: |
---|
| 1049 | |
---|
[1409] | 1050 | /// \brief Add a new edge map reader command for the reader. |
---|
[1408] | 1051 | /// |
---|
[1409] | 1052 | /// Add a new edge map reader command for the reader. |
---|
[1408] | 1053 | template <typename Map> |
---|
[2386] | 1054 | EdgeSetReader& readEdgeMap(std::string label, Map& map) { |
---|
[1421] | 1055 | return _readMap< |
---|
| 1056 | typename Traits::template Reader<typename Map::Value>, Map, |
---|
[2386] | 1057 | typename _reader_bits::Arg<Map>::Type>(label, map); |
---|
[1421] | 1058 | } |
---|
| 1059 | |
---|
| 1060 | template <typename Map> |
---|
[2386] | 1061 | EdgeSetReader& readEdgeMap(std::string label, const Map& map) { |
---|
[1421] | 1062 | return _readMap< |
---|
| 1063 | typename Traits::template Reader<typename Map::Value>, Map, |
---|
[2386] | 1064 | typename _reader_bits::Arg<Map>::Type>(label, map); |
---|
[1408] | 1065 | } |
---|
| 1066 | |
---|
[1409] | 1067 | /// \brief Add a new edge map reader command for the reader. |
---|
[1408] | 1068 | /// |
---|
[1409] | 1069 | /// Add a new edge map reader command for the reader. |
---|
[2386] | 1070 | template <typename ItemReader, typename Map> |
---|
| 1071 | EdgeSetReader& readEdgeMap(std::string label, Map& map, |
---|
| 1072 | const ItemReader& ir = ItemReader()) { |
---|
| 1073 | return _readMap<ItemReader, Map, |
---|
| 1074 | typename _reader_bits::Arg<Map>::Type>(label, map, ir); |
---|
[1421] | 1075 | } |
---|
| 1076 | |
---|
[2386] | 1077 | template <typename ItemReader, typename Map> |
---|
| 1078 | EdgeSetReader& readEdgeMap(std::string label, const Map& map, |
---|
| 1079 | const ItemReader& ir = ItemReader()) { |
---|
| 1080 | return _readMap<ItemReader, Map, |
---|
| 1081 | typename _reader_bits::Arg<Map>::Type>(label, map, ir); |
---|
[1421] | 1082 | } |
---|
| 1083 | |
---|
| 1084 | private: |
---|
| 1085 | |
---|
[2386] | 1086 | template <typename ItemReader, typename Map, typename MapParameter> |
---|
| 1087 | EdgeSetReader& _readMap(std::string label, MapParameter map, |
---|
| 1088 | const ItemReader& ir = ItemReader()) { |
---|
[2260] | 1089 | checkConcept<concepts::WriteMap<Edge, typename Map::Value>, Map>(); |
---|
[2386] | 1090 | checkConcept<_reader_bits::ItemReader<typename Map::Value>, ItemReader>(); |
---|
| 1091 | if (readers.find(label) != readers.end()) { |
---|
[1408] | 1092 | ErrorMessage msg; |
---|
[2386] | 1093 | msg << "Multiple read rule for edge map: " << label; |
---|
[2153] | 1094 | throw IoParameterError(msg.message()); |
---|
[1408] | 1095 | } |
---|
| 1096 | readers.insert( |
---|
[2386] | 1097 | make_pair(label, new _reader_bits:: |
---|
| 1098 | MapReader<Edge, Map, ItemReader>(map, ir))); |
---|
[1408] | 1099 | return *this; |
---|
| 1100 | } |
---|
| 1101 | |
---|
[1421] | 1102 | public: |
---|
| 1103 | |
---|
[1409] | 1104 | /// \brief Add a new edge map skipper command for the reader. |
---|
[1408] | 1105 | /// |
---|
[1409] | 1106 | /// Add a new edge map skipper command for the reader. |
---|
[2386] | 1107 | template <typename ItemReader> |
---|
| 1108 | EdgeSetReader& skipEdgeMap(std::string label, |
---|
| 1109 | const ItemReader& ir = ItemReader()) { |
---|
| 1110 | if (readers.find(label) != readers.end()) { |
---|
[1408] | 1111 | ErrorMessage msg; |
---|
[2386] | 1112 | msg << "Multiple read rule for edge map: " << label; |
---|
[2153] | 1113 | throw IoParameterError(msg.message()); |
---|
[1408] | 1114 | } |
---|
[2386] | 1115 | readers.insert(make_pair(label, new _reader_bits:: |
---|
| 1116 | SkipReader<Edge, ItemReader>(ir))); |
---|
[1408] | 1117 | return *this; |
---|
| 1118 | } |
---|
| 1119 | |
---|
[1409] | 1120 | protected: |
---|
| 1121 | |
---|
| 1122 | /// \brief Gives back true when the SectionReader can process |
---|
| 1123 | /// the section with the given header line. |
---|
| 1124 | /// |
---|
[1421] | 1125 | /// It gives back true when the header line starts with \c \@edgeset, |
---|
[1901] | 1126 | /// and the header line's name and the edgeset's name are the same. |
---|
[1408] | 1127 | virtual bool header(const std::string& line) { |
---|
| 1128 | std::istringstream ls(line); |
---|
| 1129 | std::string command; |
---|
[1901] | 1130 | std::string id; |
---|
[1997] | 1131 | ls >> command >> id; |
---|
[1408] | 1132 | return command == "@edgeset" && name == id; |
---|
| 1133 | } |
---|
| 1134 | |
---|
[1409] | 1135 | /// \brief Reader function of the section. |
---|
| 1136 | /// |
---|
| 1137 | /// It reads the content of the section. |
---|
[1408] | 1138 | virtual void read(std::istream& is) { |
---|
[1901] | 1139 | if (!nodeLabelReader->isLabelReader()) { |
---|
| 1140 | throw DataFormatError("Cannot find nodeset or label map"); |
---|
[1476] | 1141 | } |
---|
[1845] | 1142 | std::vector<_reader_bits::MapReaderBase<Edge>* > index; |
---|
[1408] | 1143 | std::string line; |
---|
| 1144 | |
---|
[2386] | 1145 | { |
---|
| 1146 | getline(is, line); |
---|
| 1147 | std::istringstream ls(line); |
---|
| 1148 | std::string id; |
---|
| 1149 | while (ls >> id) { |
---|
| 1150 | typename MapReaders::iterator it = readers.find(id); |
---|
| 1151 | if (it != readers.end()) { |
---|
| 1152 | index.push_back(it->second); |
---|
| 1153 | it->second->touch(); |
---|
| 1154 | } else { |
---|
| 1155 | index.push_back(&skipper); |
---|
| 1156 | } |
---|
| 1157 | if (id == "label") { |
---|
| 1158 | inverter.reset(index.back()->getInverter()); |
---|
| 1159 | index.back() = inverter.get(); |
---|
| 1160 | } |
---|
| 1161 | } |
---|
[1408] | 1162 | } |
---|
[1845] | 1163 | for (typename MapReaders::iterator it = readers.begin(); |
---|
| 1164 | it != readers.end(); ++it) { |
---|
| 1165 | if (!it->second->touched()) { |
---|
| 1166 | ErrorMessage msg; |
---|
| 1167 | msg << "Map not found in file: " << it->first; |
---|
[2153] | 1168 | throw IoParameterError(msg.message()); |
---|
[1845] | 1169 | } |
---|
| 1170 | } |
---|
[1408] | 1171 | while (getline(is, line)) { |
---|
| 1172 | std::istringstream ls(line); |
---|
[1901] | 1173 | Node from = nodeLabelReader->read(ls); |
---|
| 1174 | Node to = nodeLabelReader->read(ls); |
---|
[1429] | 1175 | Edge edge = graph.addEdge(from, to); |
---|
[2386] | 1176 | for (int i = 0; i < int(index.size()); ++i) { |
---|
[1408] | 1177 | index[i]->read(ls, edge); |
---|
| 1178 | } |
---|
| 1179 | } |
---|
| 1180 | } |
---|
| 1181 | |
---|
[2000] | 1182 | virtual void missing() { |
---|
| 1183 | if (readers.empty()) return; |
---|
| 1184 | ErrorMessage msg; |
---|
[2001] | 1185 | msg << "EdgeSet section not found in file: @edgeset " << name; |
---|
[2153] | 1186 | throw IoParameterError(msg.message()); |
---|
[2000] | 1187 | } |
---|
| 1188 | |
---|
[1409] | 1189 | public: |
---|
| 1190 | |
---|
[1901] | 1191 | /// \brief Returns true if the edgeset can give back the edge by its label. |
---|
[1409] | 1192 | /// |
---|
[1901] | 1193 | /// Returns true if the edgeset can give back the edge by its label. |
---|
| 1194 | /// It is possible only if an "label" named map was read. |
---|
| 1195 | bool isLabelReader() const { |
---|
[1408] | 1196 | return inverter.get() != 0; |
---|
| 1197 | } |
---|
| 1198 | |
---|
[1901] | 1199 | /// \brief Gives back the edge by its label. |
---|
[1409] | 1200 | /// |
---|
| 1201 | /// It reads an id from the stream and gives back which edge belongs to |
---|
[1901] | 1202 | /// it. It is possible only if there was read an "label" named map. |
---|
| 1203 | void readLabel(std::istream& is, Edge& edge) const { |
---|
[1492] | 1204 | edge = inverter->read(is); |
---|
[1408] | 1205 | } |
---|
| 1206 | |
---|
| 1207 | private: |
---|
| 1208 | |
---|
[2001] | 1209 | typedef std::map<std::string, _reader_bits::MapReaderBase<Edge>*> |
---|
| 1210 | MapReaders; |
---|
| 1211 | |
---|
[1408] | 1212 | MapReaders readers; |
---|
| 1213 | |
---|
[1705] | 1214 | Graph& graph; |
---|
[1901] | 1215 | std::string name; |
---|
[1845] | 1216 | _reader_bits::SkipReader<Edge, DefaultSkipper> skipper; |
---|
[1421] | 1217 | |
---|
[1845] | 1218 | std::auto_ptr<_reader_bits::MapInverterBase<Edge> > inverter; |
---|
[1901] | 1219 | std::auto_ptr<_reader_bits::LabelReaderBase<Node> > nodeLabelReader; |
---|
[1421] | 1220 | }; |
---|
| 1221 | |
---|
[2016] | 1222 | /// \ingroup section_io |
---|
[1421] | 1223 | /// \brief SectionReader for reading a undirected graph's edgeset. |
---|
| 1224 | /// |
---|
| 1225 | /// The lemon format can store multiple undirected edgesets with several |
---|
[1909] | 1226 | /// maps. The undirected edgeset section's header line is \c \@uedgeset |
---|
| 1227 | /// \c uedgeset_name, but the \c uedgeset_name may be empty. |
---|
[1421] | 1228 | /// |
---|
| 1229 | /// The first line of the section contains the names of the maps separated |
---|
| 1230 | /// with white spaces. Each next lines describes an edge in the edgeset. The |
---|
| 1231 | /// line contains the connected nodes' id and the mapped values for each map. |
---|
| 1232 | /// |
---|
| 1233 | /// The section can handle the directed as a syntactical sugar. Two |
---|
| 1234 | /// undirected edge map describes one directed edge map. This two maps |
---|
| 1235 | /// are the forward map and the backward map and the names of this map |
---|
| 1236 | /// is near the same just with a prefix \c '+' or \c '-' character |
---|
| 1237 | /// difference. |
---|
| 1238 | /// |
---|
[1901] | 1239 | /// If the edgeset contains an \c "label" named map then it will be regarded |
---|
[1421] | 1240 | /// as id map. This map should contain only unique values and when the |
---|
[1901] | 1241 | /// \c readLabel() member will read a value from the given stream it will |
---|
[1909] | 1242 | /// give back that uicted edge which is mapped to this value. |
---|
[1421] | 1243 | /// |
---|
| 1244 | /// The undirected edgeset reader needs a node id reader to identify which |
---|
[2001] | 1245 | /// nodes have to be connected. If a NodeSetReader reads an "label" named |
---|
| 1246 | /// map, it will be able to resolve the nodes by ids. |
---|
[1421] | 1247 | /// |
---|
| 1248 | /// \relates LemonReader |
---|
| 1249 | template <typename _Graph, typename _Traits = DefaultReaderTraits> |
---|
[1909] | 1250 | class UEdgeSetReader : public LemonReader::SectionReader { |
---|
[1845] | 1251 | typedef LemonReader::SectionReader Parent; |
---|
[1421] | 1252 | public: |
---|
| 1253 | |
---|
| 1254 | typedef _Graph Graph; |
---|
| 1255 | typedef _Traits Traits; |
---|
[1429] | 1256 | typedef typename Graph::Node Node; |
---|
| 1257 | typedef typename Graph::Edge Edge; |
---|
[1909] | 1258 | typedef typename Graph::UEdge UEdge; |
---|
[1421] | 1259 | typedef typename Traits::Skipper DefaultSkipper; |
---|
| 1260 | |
---|
| 1261 | /// \brief Constructor. |
---|
| 1262 | /// |
---|
[1909] | 1263 | /// Constructor for UEdgeSetReader. It creates the UEdgeSetReader |
---|
[1421] | 1264 | /// and attach it into the given LemonReader. The undirected edgeset |
---|
[2100] | 1265 | /// reader will add the read undirected edges to the given Graph. It |
---|
[1421] | 1266 | /// will use the given node id reader to read the source and target |
---|
| 1267 | /// nodes of the edges. The reader will read the section only if the |
---|
[1909] | 1268 | /// \c _name and the \c uedgset_name are the same. |
---|
[1901] | 1269 | template <typename NodeLabelReader> |
---|
[1909] | 1270 | UEdgeSetReader(LemonReader& _reader, |
---|
[1705] | 1271 | Graph& _graph, |
---|
[1901] | 1272 | const NodeLabelReader& _nodeLabelReader, |
---|
| 1273 | const std::string& _name = std::string(), |
---|
[1421] | 1274 | const DefaultSkipper& _skipper = DefaultSkipper()) |
---|
[1901] | 1275 | : Parent(_reader), graph(_graph), name(_name), skipper(_skipper) { |
---|
| 1276 | checkConcept<_reader_bits::ItemLabelReader<Node>, NodeLabelReader>(); |
---|
| 1277 | nodeLabelReader.reset(new _reader_bits:: |
---|
| 1278 | LabelReader<Node, NodeLabelReader>(_nodeLabelReader)); |
---|
[1476] | 1279 | } |
---|
[1421] | 1280 | /// \brief Destructor. |
---|
| 1281 | /// |
---|
[1909] | 1282 | /// Destructor for UEdgeSetReader. |
---|
| 1283 | virtual ~UEdgeSetReader() { |
---|
[1421] | 1284 | for (typename MapReaders::iterator it = readers.begin(); |
---|
| 1285 | it != readers.end(); ++it) { |
---|
| 1286 | delete it->second; |
---|
| 1287 | } |
---|
| 1288 | } |
---|
| 1289 | |
---|
| 1290 | private: |
---|
[1909] | 1291 | UEdgeSetReader(const UEdgeSetReader&); |
---|
| 1292 | void operator=(const UEdgeSetReader&); |
---|
[1421] | 1293 | |
---|
| 1294 | public: |
---|
| 1295 | |
---|
| 1296 | /// \brief Add a new undirected edge map reader command for the reader. |
---|
| 1297 | /// |
---|
| 1298 | /// Add a new edge undirected map reader command for the reader. |
---|
| 1299 | template <typename Map> |
---|
[2386] | 1300 | UEdgeSetReader& readUEdgeMap(std::string label, Map& map) { |
---|
[1421] | 1301 | return _readMap< |
---|
| 1302 | typename Traits::template Reader<typename Map::Value>, Map, |
---|
[2386] | 1303 | typename _reader_bits::Arg<Map>::Type>(label, map); |
---|
[1421] | 1304 | } |
---|
| 1305 | |
---|
| 1306 | template <typename Map> |
---|
[2386] | 1307 | UEdgeSetReader& readUEdgeMap(std::string label, const Map& map) { |
---|
[1421] | 1308 | return _readMap< |
---|
| 1309 | typename Traits::template Reader<typename Map::Value>, Map, |
---|
[2386] | 1310 | typename _reader_bits::Arg<Map>::Type>(label, map); |
---|
[1421] | 1311 | } |
---|
| 1312 | |
---|
| 1313 | /// \brief Add a new undirected edge map reader command for the reader. |
---|
| 1314 | /// |
---|
| 1315 | /// Add a new edge undirected map reader command for the reader. |
---|
[2386] | 1316 | template <typename ItemReader, typename Map> |
---|
| 1317 | UEdgeSetReader& readUEdgeMap(std::string label, Map& map, |
---|
| 1318 | const ItemReader& ir = ItemReader()) { |
---|
| 1319 | return _readMap<ItemReader, Map, typename _reader_bits::Arg<Map>::Type> |
---|
| 1320 | (label, map, ir); |
---|
[1421] | 1321 | } |
---|
| 1322 | |
---|
[2386] | 1323 | template <typename ItemReader, typename Map> |
---|
| 1324 | UEdgeSetReader& readUEdgeMap(std::string label, const Map& map, |
---|
| 1325 | const ItemReader& ir = ItemReader()) { |
---|
| 1326 | return _readMap<ItemReader, Map, typename _reader_bits::Arg<Map>::Type > |
---|
| 1327 | (label, map, ir); |
---|
[1421] | 1328 | } |
---|
| 1329 | |
---|
| 1330 | private: |
---|
| 1331 | |
---|
[2386] | 1332 | template <typename ItemReader, typename Map, typename MapParameter> |
---|
| 1333 | UEdgeSetReader& _readMap(std::string label, MapParameter map, |
---|
| 1334 | const ItemReader& ir = ItemReader()) { |
---|
[2260] | 1335 | checkConcept<concepts::WriteMap<UEdge, typename Map::Value>, Map>(); |
---|
[2386] | 1336 | checkConcept<_reader_bits::ItemReader<typename Map::Value>, ItemReader>(); |
---|
| 1337 | if (readers.find(label) != readers.end()) { |
---|
[1421] | 1338 | ErrorMessage msg; |
---|
[2386] | 1339 | msg << "Multiple read rule for edge map: " << label; |
---|
[2153] | 1340 | throw IoParameterError(msg.message()); |
---|
[1421] | 1341 | } |
---|
| 1342 | readers.insert( |
---|
[2386] | 1343 | make_pair(label, new _reader_bits:: |
---|
| 1344 | MapReader<UEdge, Map, ItemReader>(map, ir))); |
---|
[1421] | 1345 | return *this; |
---|
| 1346 | } |
---|
| 1347 | |
---|
| 1348 | public: |
---|
| 1349 | |
---|
| 1350 | /// \brief Add a new undirected edge map skipper command for the reader. |
---|
| 1351 | /// |
---|
| 1352 | /// Add a new undirected edge map skipper command for the reader. |
---|
[2386] | 1353 | template <typename ItemReader> |
---|
| 1354 | UEdgeSetReader& skipUEdgeMap(std::string label, |
---|
| 1355 | const ItemReader& ir = ItemReader()) { |
---|
| 1356 | if (readers.find(label) != readers.end()) { |
---|
[1421] | 1357 | ErrorMessage msg; |
---|
[2386] | 1358 | msg << "Multiple read rule for node map: " << label; |
---|
[2153] | 1359 | throw IoParameterError(msg.message()); |
---|
[1421] | 1360 | } |
---|
[2386] | 1361 | readers.insert(make_pair(label, new _reader_bits:: |
---|
| 1362 | SkipReader<UEdge, ItemReader>(ir))); |
---|
[1421] | 1363 | return *this; |
---|
| 1364 | } |
---|
| 1365 | |
---|
| 1366 | /// \brief Add a new directed edge map reader command for the reader. |
---|
| 1367 | /// |
---|
| 1368 | /// Add a new directed edge map reader command for the reader. |
---|
| 1369 | template <typename Map> |
---|
[2386] | 1370 | UEdgeSetReader& readEdgeMap(std::string label, Map& map) { |
---|
[1421] | 1371 | return _readDirMap< |
---|
| 1372 | typename Traits::template Reader<typename Map::Value>, Map, |
---|
[2386] | 1373 | typename _reader_bits::Arg<Map>::Type>(label, map); |
---|
[1421] | 1374 | } |
---|
| 1375 | |
---|
| 1376 | template <typename Map> |
---|
[2386] | 1377 | UEdgeSetReader& readEdgeMap(std::string label, const Map& map) { |
---|
[1421] | 1378 | return _readDirMap< |
---|
| 1379 | typename Traits::template Reader<typename Map::Value>, Map, |
---|
[2386] | 1380 | typename _reader_bits::Arg<Map>::Type>(label, map); |
---|
[1421] | 1381 | } |
---|
| 1382 | |
---|
| 1383 | /// \brief Add a new directed edge map reader command for the reader. |
---|
| 1384 | /// |
---|
| 1385 | /// Add a new directed edge map reader command for the reader. |
---|
[2386] | 1386 | template <typename ItemReader, typename Map> |
---|
| 1387 | UEdgeSetReader& readEdgeMap(std::string label, Map& map, |
---|
| 1388 | const ItemReader& ir = ItemReader()) { |
---|
| 1389 | return _readDirMap<ItemReader, Map, |
---|
| 1390 | typename _reader_bits::Arg<Map>::Type>(label, map, ir); |
---|
[1421] | 1391 | } |
---|
| 1392 | |
---|
[2386] | 1393 | template <typename ItemReader, typename Map> |
---|
| 1394 | UEdgeSetReader& readEdgeMap(std::string label, const Map& map, |
---|
| 1395 | const ItemReader& ir = ItemReader()) { |
---|
| 1396 | return _readDirMap<ItemReader, Map, |
---|
| 1397 | typename _reader_bits::Arg<Map>::Type>(label, map, ir); |
---|
[1421] | 1398 | } |
---|
| 1399 | |
---|
| 1400 | private: |
---|
| 1401 | |
---|
[2386] | 1402 | template <typename ItemReader, typename Map, typename MapParameter> |
---|
| 1403 | UEdgeSetReader& _readDirMap(std::string label, MapParameter map, |
---|
| 1404 | const ItemReader& ir = ItemReader()) { |
---|
| 1405 | checkConcept<_reader_bits::ItemReader<typename Map::Value>, ItemReader>(); |
---|
[2260] | 1406 | checkConcept<concepts::WriteMap<Edge, typename Map::Value>, Map>(); |
---|
[2386] | 1407 | readUEdgeMap("+" + label, |
---|
| 1408 | _reader_bits::forwardComposeMap(graph, map), ir); |
---|
| 1409 | readUEdgeMap("-" + label, |
---|
| 1410 | _reader_bits::backwardComposeMap(graph, map), ir); |
---|
[1421] | 1411 | return *this; |
---|
| 1412 | } |
---|
| 1413 | |
---|
| 1414 | public: |
---|
| 1415 | |
---|
| 1416 | /// \brief Add a new directed edge map skipper command for the reader. |
---|
| 1417 | /// |
---|
| 1418 | /// Add a new directed edge map skipper command for the reader. |
---|
[2386] | 1419 | template <typename ItemReader> |
---|
| 1420 | UEdgeSetReader& skipEdgeMap(std::string label, |
---|
| 1421 | const ItemReader& ir = ItemReader()) { |
---|
| 1422 | skipUEdgeMap("+" + label, ir); |
---|
| 1423 | skipUEdgeMap("-" + label, ir); |
---|
[1421] | 1424 | return *this; |
---|
| 1425 | } |
---|
| 1426 | |
---|
| 1427 | protected: |
---|
| 1428 | |
---|
| 1429 | /// \brief Gives back true when the SectionReader can process |
---|
| 1430 | /// the section with the given header line. |
---|
| 1431 | /// |
---|
[1909] | 1432 | /// It gives back true when the header line starts with \c \@uedgeset, |
---|
[1901] | 1433 | /// and the header line's name and the edgeset's name are the same. |
---|
[1421] | 1434 | virtual bool header(const std::string& line) { |
---|
| 1435 | std::istringstream ls(line); |
---|
| 1436 | std::string command; |
---|
[1901] | 1437 | std::string id; |
---|
[1997] | 1438 | ls >> command >> id; |
---|
[1909] | 1439 | return command == "@uedgeset" && name == id; |
---|
[1421] | 1440 | } |
---|
| 1441 | |
---|
| 1442 | /// \brief Reader function of the section. |
---|
| 1443 | /// |
---|
| 1444 | /// It reads the content of the section. |
---|
| 1445 | virtual void read(std::istream& is) { |
---|
[1901] | 1446 | if (!nodeLabelReader->isLabelReader()) { |
---|
| 1447 | throw DataFormatError("Cannot find nodeset or label map"); |
---|
[1476] | 1448 | } |
---|
[1909] | 1449 | std::vector<_reader_bits::MapReaderBase<UEdge>* > index; |
---|
[1421] | 1450 | std::string line; |
---|
| 1451 | |
---|
[2386] | 1452 | { |
---|
| 1453 | getline(is, line); |
---|
| 1454 | std::istringstream ls(line); |
---|
| 1455 | std::string id; |
---|
| 1456 | while (ls >> id) { |
---|
| 1457 | typename MapReaders::iterator it = readers.find(id); |
---|
| 1458 | if (it != readers.end()) { |
---|
| 1459 | index.push_back(it->second); |
---|
| 1460 | it->second->touch(); |
---|
| 1461 | } else { |
---|
| 1462 | index.push_back(&skipper); |
---|
| 1463 | } |
---|
| 1464 | if (id == "label") { |
---|
| 1465 | inverter.reset(index.back()->getInverter()); |
---|
| 1466 | index.back() = inverter.get(); |
---|
| 1467 | } |
---|
| 1468 | } |
---|
| 1469 | for (typename MapReaders::iterator it = readers.begin(); |
---|
| 1470 | it != readers.end(); ++it) { |
---|
| 1471 | if (!it->second->touched()) { |
---|
| 1472 | ErrorMessage msg; |
---|
| 1473 | msg << "Map not found in file: " << it->first; |
---|
| 1474 | throw IoParameterError(msg.message()); |
---|
| 1475 | } |
---|
| 1476 | } |
---|
[1845] | 1477 | } |
---|
[1421] | 1478 | while (getline(is, line)) { |
---|
| 1479 | std::istringstream ls(line); |
---|
[1901] | 1480 | Node from = nodeLabelReader->read(ls); |
---|
| 1481 | Node to = nodeLabelReader->read(ls); |
---|
[1909] | 1482 | UEdge edge = graph.addEdge(from, to); |
---|
[2386] | 1483 | for (int i = 0; i < int(index.size()); ++i) { |
---|
[1421] | 1484 | index[i]->read(ls, edge); |
---|
| 1485 | } |
---|
| 1486 | } |
---|
| 1487 | } |
---|
| 1488 | |
---|
[2000] | 1489 | virtual void missing() { |
---|
| 1490 | if (readers.empty()) return; |
---|
| 1491 | ErrorMessage msg; |
---|
[2001] | 1492 | msg << "UEdgeSet section not found in file: @uedgeset " << name; |
---|
[2153] | 1493 | throw IoParameterError(msg.message()); |
---|
[2000] | 1494 | } |
---|
| 1495 | |
---|
[1421] | 1496 | public: |
---|
| 1497 | |
---|
[1901] | 1498 | /// \brief Returns true if the edgeset can give back the edge by its label. |
---|
[1421] | 1499 | /// |
---|
| 1500 | /// Returns true if the edgeset can give back the undirected edge by its |
---|
[1901] | 1501 | /// id. It is possible only if an "label" named map was read. |
---|
| 1502 | bool isLabelReader() const { |
---|
[1421] | 1503 | return inverter.get() != 0; |
---|
| 1504 | } |
---|
| 1505 | |
---|
[1901] | 1506 | /// \brief Gives back the undirected edge by its label. |
---|
[1421] | 1507 | /// |
---|
| 1508 | /// It reads an id from the stream and gives back which undirected edge |
---|
[1901] | 1509 | /// belongs to it. It is possible only if there was read an "label" named map. |
---|
[1909] | 1510 | void readLabel(std::istream& is, UEdge& uEdge) const { |
---|
| 1511 | uEdge = inverter->read(is); |
---|
[1421] | 1512 | } |
---|
| 1513 | |
---|
[1901] | 1514 | /// \brief Gives back the directed edge by its label. |
---|
[1429] | 1515 | /// |
---|
| 1516 | /// It reads an id from the stream and gives back which directed edge |
---|
| 1517 | /// belongs to it. The directed edge id is the \c '+' or \c '-' character |
---|
| 1518 | /// and the undirected edge id. It is possible only if there was read |
---|
[1901] | 1519 | /// an "label" named map. |
---|
| 1520 | void readLabel(std::istream& is, Edge& edge) const { |
---|
[1429] | 1521 | char c; |
---|
| 1522 | is >> c; |
---|
[1909] | 1523 | UEdge uEdge = inverter->read(is); |
---|
[1429] | 1524 | if (c == '+') { |
---|
[1909] | 1525 | edge = graph.direct(uEdge, true); |
---|
[1429] | 1526 | } else if (c == '-') { |
---|
[1909] | 1527 | edge = graph.direct(uEdge, false); |
---|
[1429] | 1528 | } else { |
---|
| 1529 | throw DataFormatError("Wrong id format for edge " |
---|
| 1530 | "in undirected edgeset"); |
---|
| 1531 | } |
---|
| 1532 | } |
---|
| 1533 | |
---|
[1421] | 1534 | private: |
---|
| 1535 | |
---|
[1845] | 1536 | typedef std::map<std::string, |
---|
[1909] | 1537 | _reader_bits::MapReaderBase<UEdge>*> MapReaders; |
---|
[1421] | 1538 | MapReaders readers; |
---|
| 1539 | |
---|
[1705] | 1540 | Graph& graph; |
---|
[1901] | 1541 | std::string name; |
---|
[1909] | 1542 | _reader_bits::SkipReader<UEdge, DefaultSkipper> skipper; |
---|
[1408] | 1543 | |
---|
[1909] | 1544 | std::auto_ptr<_reader_bits::MapInverterBase<UEdge> > inverter; |
---|
[1901] | 1545 | std::auto_ptr<_reader_bits::LabelReaderBase<Node> > nodeLabelReader; |
---|
[1408] | 1546 | }; |
---|
| 1547 | |
---|
[2016] | 1548 | /// \ingroup section_io |
---|
[1409] | 1549 | /// \brief SectionReader for reading labeled nodes. |
---|
| 1550 | /// |
---|
[1901] | 1551 | /// The nodes section's header line is \c \@nodes \c nodes_name, but the |
---|
| 1552 | /// \c nodes_name may be empty. |
---|
[1409] | 1553 | /// |
---|
| 1554 | /// Each line in the section contains the name of the node |
---|
| 1555 | /// and then the node id. |
---|
| 1556 | /// |
---|
| 1557 | /// \relates LemonReader |
---|
| 1558 | template <typename _Graph> |
---|
[1845] | 1559 | class NodeReader : public LemonReader::SectionReader { |
---|
| 1560 | typedef LemonReader::SectionReader Parent; |
---|
[1409] | 1561 | typedef _Graph Graph; |
---|
[1429] | 1562 | typedef typename Graph::Node Node; |
---|
[1409] | 1563 | public: |
---|
| 1564 | |
---|
| 1565 | /// \brief Constructor. |
---|
| 1566 | /// |
---|
| 1567 | /// Constructor for NodeReader. It creates the NodeReader and |
---|
| 1568 | /// attach it into the given LemonReader. It will use the given |
---|
| 1569 | /// node id reader to give back the nodes. The reader will read the |
---|
[1901] | 1570 | /// section only if the \c _name and the \c nodes_name are the same. |
---|
| 1571 | template <typename _LabelReader> |
---|
| 1572 | NodeReader(LemonReader& _reader, const _LabelReader& _labelReader, |
---|
| 1573 | const std::string& _name = std::string()) |
---|
| 1574 | : Parent(_reader), name(_name) { |
---|
| 1575 | checkConcept<_reader_bits::ItemLabelReader<Node>, _LabelReader>(); |
---|
| 1576 | nodeLabelReader.reset(new _reader_bits:: |
---|
| 1577 | LabelReader<Node, _LabelReader>(_labelReader)); |
---|
[1476] | 1578 | } |
---|
[1408] | 1579 | |
---|
[1409] | 1580 | /// \brief Destructor. |
---|
| 1581 | /// |
---|
| 1582 | /// Destructor for NodeReader. |
---|
| 1583 | virtual ~NodeReader() {} |
---|
| 1584 | |
---|
| 1585 | private: |
---|
| 1586 | NodeReader(const NodeReader&); |
---|
| 1587 | void operator=(const NodeReader&); |
---|
| 1588 | |
---|
| 1589 | public: |
---|
| 1590 | |
---|
| 1591 | /// \brief Add a node reader command for the NodeReader. |
---|
| 1592 | /// |
---|
| 1593 | /// Add a node reader command for the NodeReader. |
---|
[2386] | 1594 | void readNode(std::string label, Node& item) { |
---|
| 1595 | if (readers.find(label) != readers.end()) { |
---|
[1409] | 1596 | ErrorMessage msg; |
---|
[2386] | 1597 | msg << "Multiple read rule for node: " << label; |
---|
[2153] | 1598 | throw IoParameterError(msg.message()); |
---|
[1409] | 1599 | } |
---|
[2386] | 1600 | readers.insert(make_pair(label, _reader_bits::ItemStore<Node>(item))); |
---|
[1409] | 1601 | } |
---|
| 1602 | |
---|
| 1603 | protected: |
---|
| 1604 | |
---|
| 1605 | /// \brief Gives back true when the SectionReader can process |
---|
| 1606 | /// the section with the given header line. |
---|
| 1607 | /// |
---|
[1421] | 1608 | /// It gives back true when the header line start with \c \@nodes, |
---|
[1901] | 1609 | /// and the header line's name and the reader's name are the same. |
---|
[1409] | 1610 | virtual bool header(const std::string& line) { |
---|
| 1611 | std::istringstream ls(line); |
---|
| 1612 | std::string command; |
---|
[1901] | 1613 | std::string id; |
---|
[1997] | 1614 | ls >> command >> id; |
---|
[1409] | 1615 | return command == "@nodes" && name == id; |
---|
| 1616 | } |
---|
| 1617 | |
---|
| 1618 | /// \brief Reader function of the section. |
---|
| 1619 | /// |
---|
| 1620 | /// It reads the content of the section. |
---|
| 1621 | virtual void read(std::istream& is) { |
---|
[1901] | 1622 | if (!nodeLabelReader->isLabelReader()) { |
---|
| 1623 | throw DataFormatError("Cannot find nodeset or label map"); |
---|
[1476] | 1624 | } |
---|
[1409] | 1625 | std::string line; |
---|
| 1626 | while (getline(is, line)) { |
---|
| 1627 | std::istringstream ls(line); |
---|
| 1628 | std::string id; |
---|
| 1629 | ls >> id; |
---|
[1429] | 1630 | typename NodeReaders::iterator it = readers.find(id); |
---|
[1409] | 1631 | if (it != readers.end()) { |
---|
[1901] | 1632 | it->second.read(nodeLabelReader->read(ls)); |
---|
[1845] | 1633 | it->second.touch(); |
---|
[1409] | 1634 | } |
---|
| 1635 | } |
---|
[1845] | 1636 | for (typename NodeReaders::iterator it = readers.begin(); |
---|
| 1637 | it != readers.end(); ++it) { |
---|
| 1638 | if (!it->second.touched()) { |
---|
| 1639 | ErrorMessage msg; |
---|
| 1640 | msg << "Node not found in file: " << it->first; |
---|
[2153] | 1641 | throw IoParameterError(msg.message()); |
---|
[1845] | 1642 | } |
---|
| 1643 | } |
---|
[1409] | 1644 | } |
---|
[2000] | 1645 | |
---|
| 1646 | virtual void missing() { |
---|
| 1647 | if (readers.empty()) return; |
---|
| 1648 | ErrorMessage msg; |
---|
[2001] | 1649 | msg << "Nodes section not found in file: @nodes " << name; |
---|
[2153] | 1650 | throw IoParameterError(msg.message()); |
---|
[2000] | 1651 | } |
---|
[1409] | 1652 | |
---|
| 1653 | private: |
---|
| 1654 | |
---|
[1901] | 1655 | std::string name; |
---|
[1409] | 1656 | |
---|
[1845] | 1657 | typedef std::map<std::string, _reader_bits::ItemStore<Node> > NodeReaders; |
---|
[1429] | 1658 | NodeReaders readers; |
---|
[1901] | 1659 | std::auto_ptr<_reader_bits::LabelReaderBase<Node> > nodeLabelReader; |
---|
[1409] | 1660 | }; |
---|
| 1661 | |
---|
[2016] | 1662 | /// \ingroup section_io |
---|
[1409] | 1663 | /// \brief SectionReader for reading labeled edges. |
---|
| 1664 | /// |
---|
[1901] | 1665 | /// The edges section's header line is \c \@edges \c edges_name, but the |
---|
| 1666 | /// \c edges_name may be empty. |
---|
[1409] | 1667 | /// |
---|
| 1668 | /// Each line in the section contains the name of the edge |
---|
| 1669 | /// and then the edge id. |
---|
| 1670 | /// |
---|
| 1671 | /// \relates LemonReader |
---|
| 1672 | template <typename _Graph> |
---|
[1845] | 1673 | class EdgeReader : public LemonReader::SectionReader { |
---|
| 1674 | typedef LemonReader::SectionReader Parent; |
---|
[1409] | 1675 | typedef _Graph Graph; |
---|
[1429] | 1676 | typedef typename Graph::Edge Edge; |
---|
[1409] | 1677 | public: |
---|
| 1678 | |
---|
| 1679 | /// \brief Constructor. |
---|
| 1680 | /// |
---|
| 1681 | /// Constructor for EdgeReader. It creates the EdgeReader and |
---|
| 1682 | /// attach it into the given LemonReader. It will use the given |
---|
| 1683 | /// edge id reader to give back the edges. The reader will read the |
---|
[1901] | 1684 | /// section only if the \c _name and the \c edges_name are the same. |
---|
| 1685 | template <typename _LabelReader> |
---|
| 1686 | EdgeReader(LemonReader& _reader, const _LabelReader& _labelReader, |
---|
| 1687 | const std::string& _name = std::string()) |
---|
| 1688 | : Parent(_reader), name(_name) { |
---|
| 1689 | checkConcept<_reader_bits::ItemLabelReader<Edge>, _LabelReader>(); |
---|
| 1690 | edgeLabelReader.reset(new _reader_bits:: |
---|
| 1691 | LabelReader<Edge, _LabelReader>(_labelReader)); |
---|
[1476] | 1692 | } |
---|
[1409] | 1693 | |
---|
| 1694 | /// \brief Destructor. |
---|
| 1695 | /// |
---|
| 1696 | /// Destructor for EdgeReader. |
---|
| 1697 | virtual ~EdgeReader() {} |
---|
| 1698 | private: |
---|
| 1699 | EdgeReader(const EdgeReader&); |
---|
| 1700 | void operator=(const EdgeReader&); |
---|
| 1701 | |
---|
| 1702 | public: |
---|
| 1703 | |
---|
| 1704 | /// \brief Add an edge reader command for the EdgeReader. |
---|
| 1705 | /// |
---|
| 1706 | /// Add an edge reader command for the EdgeReader. |
---|
[2386] | 1707 | void readEdge(std::string label, Edge& item) { |
---|
| 1708 | if (readers.find(label) != readers.end()) { |
---|
[1409] | 1709 | ErrorMessage msg; |
---|
[2386] | 1710 | msg << "Multiple read rule for edge: " << label; |
---|
[2153] | 1711 | throw IoParameterError(msg.message()); |
---|
[1409] | 1712 | } |
---|
[2386] | 1713 | readers.insert(make_pair(label, _reader_bits::ItemStore<Edge>(item))); |
---|
[1409] | 1714 | } |
---|
| 1715 | |
---|
| 1716 | protected: |
---|
| 1717 | |
---|
| 1718 | /// \brief Gives back true when the SectionReader can process |
---|
| 1719 | /// the section with the given header line. |
---|
| 1720 | /// |
---|
[1421] | 1721 | /// It gives back true when the header line start with \c \@edges, |
---|
[1901] | 1722 | /// and the header line's name and the reader's name are the same. |
---|
[1421] | 1723 | virtual bool header(const std::string& line) { |
---|
| 1724 | std::istringstream ls(line); |
---|
| 1725 | std::string command; |
---|
[1901] | 1726 | std::string id; |
---|
[1997] | 1727 | ls >> command >> id; |
---|
[1421] | 1728 | return command == "@edges" && name == id; |
---|
| 1729 | } |
---|
| 1730 | |
---|
| 1731 | /// \brief Reader function of the section. |
---|
| 1732 | /// |
---|
| 1733 | /// It reads the content of the section. |
---|
| 1734 | virtual void read(std::istream& is) { |
---|
[1901] | 1735 | if (!edgeLabelReader->isLabelReader()) { |
---|
| 1736 | throw DataFormatError("Cannot find edgeset or label map"); |
---|
[1476] | 1737 | } |
---|
[1421] | 1738 | std::string line; |
---|
| 1739 | while (getline(is, line)) { |
---|
| 1740 | std::istringstream ls(line); |
---|
| 1741 | std::string id; |
---|
| 1742 | ls >> id; |
---|
[1429] | 1743 | typename EdgeReaders::iterator it = readers.find(id); |
---|
[1421] | 1744 | if (it != readers.end()) { |
---|
[1901] | 1745 | it->second.read(edgeLabelReader->read(ls)); |
---|
[1845] | 1746 | it->second.touch(); |
---|
[1421] | 1747 | } |
---|
| 1748 | } |
---|
[1845] | 1749 | for (typename EdgeReaders::iterator it = readers.begin(); |
---|
| 1750 | it != readers.end(); ++it) { |
---|
| 1751 | if (!it->second.touched()) { |
---|
| 1752 | ErrorMessage msg; |
---|
| 1753 | msg << "Edge not found in file: " << it->first; |
---|
[2153] | 1754 | throw IoParameterError(msg.message()); |
---|
[1845] | 1755 | } |
---|
| 1756 | } |
---|
[1421] | 1757 | } |
---|
[2000] | 1758 | |
---|
| 1759 | virtual void missing() { |
---|
| 1760 | if (readers.empty()) return; |
---|
| 1761 | ErrorMessage msg; |
---|
[2001] | 1762 | msg << "Edges section not found in file: @edges " << name; |
---|
[2153] | 1763 | throw IoParameterError(msg.message()); |
---|
[2000] | 1764 | } |
---|
[1421] | 1765 | |
---|
| 1766 | private: |
---|
| 1767 | |
---|
[1901] | 1768 | std::string name; |
---|
[1421] | 1769 | |
---|
[1845] | 1770 | typedef std::map<std::string, _reader_bits::ItemStore<Edge> > EdgeReaders; |
---|
[1429] | 1771 | EdgeReaders readers; |
---|
[1901] | 1772 | std::auto_ptr<_reader_bits::LabelReaderBase<Edge> > edgeLabelReader; |
---|
[1421] | 1773 | }; |
---|
| 1774 | |
---|
[2016] | 1775 | /// \ingroup section_io |
---|
[1421] | 1776 | /// \brief SectionReader for reading labeled undirected edges. |
---|
| 1777 | /// |
---|
[1909] | 1778 | /// The undirected edges section's header line is \c \@uedges |
---|
| 1779 | /// \c uedges_name, but the \c uedges_name may be empty. |
---|
[1421] | 1780 | /// |
---|
| 1781 | /// Each line in the section contains the name of the undirected edge |
---|
| 1782 | /// and then the undirected edge id. |
---|
| 1783 | /// |
---|
| 1784 | /// \relates LemonReader |
---|
| 1785 | template <typename _Graph> |
---|
[1909] | 1786 | class UEdgeReader : public LemonReader::SectionReader { |
---|
[1845] | 1787 | typedef LemonReader::SectionReader Parent; |
---|
[1421] | 1788 | typedef _Graph Graph; |
---|
[1429] | 1789 | typedef typename Graph::Edge Edge; |
---|
[1909] | 1790 | typedef typename Graph::UEdge UEdge; |
---|
[1421] | 1791 | public: |
---|
| 1792 | |
---|
| 1793 | /// \brief Constructor. |
---|
| 1794 | /// |
---|
[1909] | 1795 | /// Constructor for UEdgeReader. It creates the UEdgeReader and |
---|
[1421] | 1796 | /// attach it into the given LemonReader. It will use the given |
---|
| 1797 | /// undirected edge id reader to give back the edges. The reader will |
---|
[1909] | 1798 | /// read the section only if the \c _name and the \c uedges_name are |
---|
[1421] | 1799 | /// the same. |
---|
[1901] | 1800 | template <typename _LabelReader> |
---|
[1909] | 1801 | UEdgeReader(LemonReader& _reader, const _LabelReader& _labelReader, |
---|
[1901] | 1802 | const std::string& _name = std::string()) |
---|
| 1803 | : Parent(_reader), name(_name) { |
---|
[1909] | 1804 | checkConcept<_reader_bits::ItemLabelReader<UEdge>, _LabelReader>(); |
---|
[1901] | 1805 | checkConcept<_reader_bits::ItemLabelReader<Edge>, _LabelReader>(); |
---|
[1909] | 1806 | uEdgeLabelReader.reset(new _reader_bits:: |
---|
| 1807 | LabelReader<UEdge, _LabelReader>(_labelReader)); |
---|
[1901] | 1808 | edgeLabelReader.reset(new _reader_bits:: |
---|
| 1809 | LabelReader<Edge, _LabelReader>(_labelReader)); |
---|
[1476] | 1810 | } |
---|
[1421] | 1811 | |
---|
| 1812 | /// \brief Destructor. |
---|
| 1813 | /// |
---|
[1909] | 1814 | /// Destructor for UEdgeReader. |
---|
| 1815 | virtual ~UEdgeReader() {} |
---|
[1421] | 1816 | private: |
---|
[1909] | 1817 | UEdgeReader(const UEdgeReader&); |
---|
| 1818 | void operator=(const UEdgeReader&); |
---|
[1421] | 1819 | |
---|
| 1820 | public: |
---|
| 1821 | |
---|
[1909] | 1822 | /// \brief Add an undirected edge reader command for the UEdgeReader. |
---|
[1421] | 1823 | /// |
---|
[1909] | 1824 | /// Add an undirected edge reader command for the UEdgeReader. |
---|
[2386] | 1825 | void readUEdge(std::string label, UEdge& item) { |
---|
| 1826 | if (uEdgeReaders.find(label) != uEdgeReaders.end()) { |
---|
[1429] | 1827 | ErrorMessage msg; |
---|
[2386] | 1828 | msg << "Multiple read rule for undirected edge: " << label; |
---|
[2153] | 1829 | throw IoParameterError(msg.message()); |
---|
[1429] | 1830 | } |
---|
[2386] | 1831 | uEdgeReaders.insert(make_pair(label, _reader_bits:: |
---|
[1909] | 1832 | ItemStore<UEdge>(item))); |
---|
[1429] | 1833 | } |
---|
| 1834 | |
---|
[1909] | 1835 | /// \brief Add an edge reader command for the UEdgeReader. |
---|
[1429] | 1836 | /// |
---|
[1909] | 1837 | /// Add an edge reader command for the UEdgeReader. |
---|
[2386] | 1838 | void readEdge(std::string label, Edge& item) { |
---|
| 1839 | if (edgeReaders.find(label) != edgeReaders.end()) { |
---|
[1421] | 1840 | ErrorMessage msg; |
---|
[2386] | 1841 | msg << "Multiple read rule for edge: " << label; |
---|
[2153] | 1842 | throw IoParameterError(msg.message()); |
---|
[1421] | 1843 | } |
---|
[2386] | 1844 | edgeReaders.insert(make_pair(label, _reader_bits::ItemStore<Edge>(item))); |
---|
[1421] | 1845 | } |
---|
| 1846 | |
---|
| 1847 | protected: |
---|
| 1848 | |
---|
| 1849 | /// \brief Gives back true when the SectionReader can process |
---|
| 1850 | /// the section with the given header line. |
---|
| 1851 | /// |
---|
| 1852 | /// It gives back true when the header line start with \c \@edges, |
---|
[1901] | 1853 | /// and the header line's name and the reader's name are the same. |
---|
[1409] | 1854 | virtual bool header(const std::string& line) { |
---|
| 1855 | std::istringstream ls(line); |
---|
| 1856 | std::string command; |
---|
[1901] | 1857 | std::string id; |
---|
[1997] | 1858 | ls >> command >> id; |
---|
[1909] | 1859 | return command == "@uedges" && name == id; |
---|
[1409] | 1860 | } |
---|
| 1861 | |
---|
| 1862 | /// \brief Reader function of the section. |
---|
| 1863 | /// |
---|
| 1864 | /// It reads the content of the section. |
---|
| 1865 | virtual void read(std::istream& is) { |
---|
[1901] | 1866 | if (!edgeLabelReader->isLabelReader()) { |
---|
| 1867 | throw DataFormatError("Cannot find undirected edgeset or label map"); |
---|
[1476] | 1868 | } |
---|
[1909] | 1869 | if (!uEdgeLabelReader->isLabelReader()) { |
---|
[1901] | 1870 | throw DataFormatError("Cannot find undirected edgeset or label map"); |
---|
[1476] | 1871 | } |
---|
[1409] | 1872 | std::string line; |
---|
| 1873 | while (getline(is, line)) { |
---|
| 1874 | std::istringstream ls(line); |
---|
| 1875 | std::string id; |
---|
| 1876 | ls >> id; |
---|
[1429] | 1877 | { |
---|
[1909] | 1878 | typename UEdgeReaders::iterator it = uEdgeReaders.find(id); |
---|
| 1879 | if (it != uEdgeReaders.end()) { |
---|
| 1880 | it->second.read(uEdgeLabelReader->read(ls)); |
---|
[1845] | 1881 | it->second.touch(); |
---|
| 1882 | continue; |
---|
[1429] | 1883 | } |
---|
| 1884 | } { |
---|
| 1885 | typename EdgeReaders::iterator it = edgeReaders.find(id); |
---|
| 1886 | if (it != edgeReaders.end()) { |
---|
[1901] | 1887 | it->second.read(edgeLabelReader->read(ls)); |
---|
[1845] | 1888 | it->second.touch(); |
---|
| 1889 | continue; |
---|
[1429] | 1890 | } |
---|
| 1891 | } |
---|
[1409] | 1892 | } |
---|
[1845] | 1893 | for (typename EdgeReaders::iterator it = edgeReaders.begin(); |
---|
| 1894 | it != edgeReaders.end(); ++it) { |
---|
| 1895 | if (!it->second.touched()) { |
---|
| 1896 | ErrorMessage msg; |
---|
| 1897 | msg << "Edge not found in file: " << it->first; |
---|
[2153] | 1898 | throw IoParameterError(msg.message()); |
---|
[1845] | 1899 | } |
---|
| 1900 | } |
---|
[1909] | 1901 | for (typename UEdgeReaders::iterator it = uEdgeReaders.begin(); |
---|
| 1902 | it != uEdgeReaders.end(); ++it) { |
---|
[1845] | 1903 | if (!it->second.touched()) { |
---|
| 1904 | ErrorMessage msg; |
---|
[1909] | 1905 | msg << "UEdge not found in file: " << it->first; |
---|
[2153] | 1906 | throw IoParameterError(msg.message()); |
---|
[1845] | 1907 | } |
---|
| 1908 | } |
---|
[1409] | 1909 | } |
---|
[2000] | 1910 | |
---|
| 1911 | virtual void missing() { |
---|
| 1912 | if (edgeReaders.empty() && uEdgeReaders.empty()) return; |
---|
| 1913 | ErrorMessage msg; |
---|
[2001] | 1914 | msg << "UEdges section not found in file: @uedges " << name; |
---|
[2153] | 1915 | throw IoParameterError(msg.message()); |
---|
[2000] | 1916 | } |
---|
[1409] | 1917 | |
---|
| 1918 | private: |
---|
| 1919 | |
---|
[1901] | 1920 | std::string name; |
---|
[1409] | 1921 | |
---|
[1845] | 1922 | typedef std::map<std::string, |
---|
[1909] | 1923 | _reader_bits::ItemStore<UEdge> > UEdgeReaders; |
---|
| 1924 | UEdgeReaders uEdgeReaders; |
---|
| 1925 | std::auto_ptr<_reader_bits::LabelReaderBase<UEdge> > uEdgeLabelReader; |
---|
[1429] | 1926 | |
---|
[1845] | 1927 | typedef std::map<std::string, _reader_bits::ItemStore<Edge> > EdgeReaders; |
---|
[1429] | 1928 | EdgeReaders edgeReaders; |
---|
[1901] | 1929 | std::auto_ptr<_reader_bits::LabelReaderBase<Edge> > edgeLabelReader; |
---|
[1409] | 1930 | }; |
---|
| 1931 | |
---|
[2016] | 1932 | /// \ingroup section_io |
---|
[1409] | 1933 | /// \brief SectionReader for attributes. |
---|
| 1934 | /// |
---|
| 1935 | /// The lemon format can store multiple attribute set. Each set has |
---|
[1901] | 1936 | /// the header line \c \@attributes \c attributeset_name, but the |
---|
| 1937 | /// attributeset_name may be empty. |
---|
[1409] | 1938 | /// |
---|
| 1939 | /// The attributeset section contains several lines. Each of them starts |
---|
| 1940 | /// with an attribute and then a the value for the id. |
---|
| 1941 | /// |
---|
| 1942 | /// \relates LemonReader |
---|
[1408] | 1943 | template <typename _Traits = DefaultReaderTraits> |
---|
[1845] | 1944 | class AttributeReader : public LemonReader::SectionReader { |
---|
| 1945 | typedef LemonReader::SectionReader Parent; |
---|
[1408] | 1946 | typedef _Traits Traits; |
---|
| 1947 | public: |
---|
[1409] | 1948 | /// \brief Constructor. |
---|
| 1949 | /// |
---|
| 1950 | /// Constructor for AttributeReader. It creates the AttributeReader and |
---|
| 1951 | /// attach it into the given LemonReader. The reader process a section |
---|
[1901] | 1952 | /// only if the \c section_name and the \c _name are the same. |
---|
[1408] | 1953 | AttributeReader(LemonReader& _reader, |
---|
[1901] | 1954 | const std::string& _name = std::string()) |
---|
| 1955 | : Parent(_reader), name(_name) {} |
---|
[1408] | 1956 | |
---|
[1409] | 1957 | /// \brief Destructor. |
---|
| 1958 | /// |
---|
| 1959 | /// Destructor for AttributeReader. |
---|
[1408] | 1960 | virtual ~AttributeReader() { |
---|
| 1961 | for (typename Readers::iterator it = readers.begin(); |
---|
| 1962 | it != readers.end(); ++it) { |
---|
| 1963 | delete it->second; |
---|
| 1964 | } |
---|
| 1965 | } |
---|
| 1966 | |
---|
| 1967 | private: |
---|
| 1968 | AttributeReader(const AttributeReader&); |
---|
| 1969 | void operator=(AttributeReader&); |
---|
| 1970 | |
---|
| 1971 | public: |
---|
[1409] | 1972 | /// \brief Add an attribute reader command for the reader. |
---|
| 1973 | /// |
---|
| 1974 | /// Add an attribute reader command for the reader. |
---|
[1408] | 1975 | template <typename Value> |
---|
[2416] | 1976 | AttributeReader& readAttribute(const std::string& label, Value& value) { |
---|
[1408] | 1977 | return readAttribute<typename Traits::template Reader<Value> > |
---|
[2416] | 1978 | (label, value); |
---|
[1408] | 1979 | } |
---|
| 1980 | |
---|
[1409] | 1981 | /// \brief Add an attribute reader command for the reader. |
---|
| 1982 | /// |
---|
| 1983 | /// Add an attribute reader command for the reader. |
---|
[2386] | 1984 | template <typename ItemReader, typename Value> |
---|
[2416] | 1985 | AttributeReader& readAttribute(const std::string& label, Value& value, |
---|
[2386] | 1986 | const ItemReader& ir = ItemReader()) { |
---|
| 1987 | checkConcept<_reader_bits::ItemReader<Value>, ItemReader>(); |
---|
| 1988 | if (readers.find(label) != readers.end()) { |
---|
[1408] | 1989 | ErrorMessage msg; |
---|
[2386] | 1990 | msg << "Multiple read rule for attribute: " << label; |
---|
[2153] | 1991 | throw IoParameterError(msg.message()); |
---|
[1408] | 1992 | } |
---|
[2386] | 1993 | readers.insert(make_pair(label, new _reader_bits:: |
---|
| 1994 | ValueReader<Value, ItemReader>(value, ir))); |
---|
[1408] | 1995 | return *this; |
---|
| 1996 | } |
---|
| 1997 | |
---|
[1409] | 1998 | protected: |
---|
| 1999 | |
---|
| 2000 | /// \brief Gives back true when the SectionReader can process |
---|
| 2001 | /// the section with the given header line. |
---|
| 2002 | /// |
---|
[1421] | 2003 | /// It gives back true when the header line start with \c \@attributes, |
---|
[1409] | 2004 | /// and the header line's id and the attributeset's id are the same. |
---|
[1408] | 2005 | bool header(const std::string& line) { |
---|
| 2006 | std::istringstream ls(line); |
---|
| 2007 | std::string command; |
---|
[1901] | 2008 | std::string id; |
---|
[1997] | 2009 | ls >> command >> id; |
---|
[1408] | 2010 | return command == "@attributes" && name == id; |
---|
| 2011 | } |
---|
| 2012 | |
---|
[1409] | 2013 | /// \brief Reader function of the section. |
---|
| 2014 | /// |
---|
| 2015 | /// It reads the content of the section. |
---|
[1408] | 2016 | void read(std::istream& is) { |
---|
| 2017 | std::string line; |
---|
| 2018 | while (getline(is, line)) { |
---|
| 2019 | std::istringstream ls(line); |
---|
| 2020 | std::string id; |
---|
| 2021 | ls >> id; |
---|
| 2022 | typename Readers::iterator it = readers.find(id); |
---|
| 2023 | if (it != readers.end()) { |
---|
| 2024 | it->second->read(ls); |
---|
[1901] | 2025 | it->second->touch(); |
---|
[1408] | 2026 | } |
---|
| 2027 | } |
---|
[1846] | 2028 | for (typename Readers::iterator it = readers.begin(); |
---|
| 2029 | it != readers.end(); ++it) { |
---|
| 2030 | if (!it->second->touched()) { |
---|
| 2031 | ErrorMessage msg; |
---|
| 2032 | msg << "Attribute not found in file: " << it->first; |
---|
[2153] | 2033 | throw IoParameterError(msg.message()); |
---|
[1846] | 2034 | } |
---|
| 2035 | } |
---|
[1408] | 2036 | } |
---|
[2416] | 2037 | |
---|
[2000] | 2038 | virtual void missing() { |
---|
| 2039 | if (readers.empty()) return; |
---|
| 2040 | ErrorMessage msg; |
---|
[2001] | 2041 | msg << "Attribute section not found in file: @attributes " << name; |
---|
[2153] | 2042 | throw IoParameterError(msg.message()); |
---|
[2000] | 2043 | } |
---|
| 2044 | |
---|
[1408] | 2045 | private: |
---|
[1901] | 2046 | std::string name; |
---|
[1408] | 2047 | |
---|
[1845] | 2048 | typedef std::map<std::string, _reader_bits::ValueReaderBase*> Readers; |
---|
[1409] | 2049 | Readers readers; |
---|
[1408] | 2050 | }; |
---|
| 2051 | |
---|
[2016] | 2052 | /// \ingroup section_io |
---|
[1423] | 2053 | /// \brief SectionReader for retrieve what is in the file. |
---|
| 2054 | /// |
---|
| 2055 | /// SectionReader for retrieve what is in the file. If you want |
---|
| 2056 | /// to know which sections, maps and items are in the file |
---|
| 2057 | /// use the next code: |
---|
[1946] | 2058 | ///\code |
---|
[1423] | 2059 | /// LemonReader reader("input.lgf"); |
---|
| 2060 | /// ContentReader content(reader); |
---|
| 2061 | /// reader.run(); |
---|
[1946] | 2062 | ///\endcode |
---|
[1423] | 2063 | class ContentReader : public LemonReader::SectionReader { |
---|
| 2064 | typedef LemonReader::SectionReader Parent; |
---|
| 2065 | public: |
---|
| 2066 | /// \brief Constructor. |
---|
| 2067 | /// |
---|
| 2068 | /// Constructor for |
---|
| 2069 | ContentReader(LemonReader& _reader) : Parent(_reader) {} |
---|
| 2070 | |
---|
| 2071 | /// \brief Desctructor. |
---|
| 2072 | /// |
---|
| 2073 | /// Desctructor. |
---|
| 2074 | virtual ~ContentReader() {} |
---|
| 2075 | |
---|
| 2076 | /// \brief Gives back how many nodesets are in the file. |
---|
| 2077 | /// |
---|
| 2078 | /// Gives back how many nodesets are in the file. |
---|
| 2079 | int nodeSetNum() const { |
---|
| 2080 | return nodesets.size(); |
---|
| 2081 | } |
---|
| 2082 | |
---|
| 2083 | /// \brief Gives back the name of nodeset on the indiced position. |
---|
| 2084 | /// |
---|
| 2085 | /// Gives back the name of nodeset on the indiced position. |
---|
| 2086 | std::string nodeSetName(int index) const { |
---|
| 2087 | return nodesets[index].name; |
---|
| 2088 | } |
---|
| 2089 | |
---|
| 2090 | /// \brief Gives back the map names of nodeset on the indiced position. |
---|
| 2091 | /// |
---|
| 2092 | /// Gives back the map names of nodeset on the indiced position. |
---|
| 2093 | const std::vector<std::string>& nodeSetMaps(int index) const { |
---|
| 2094 | return nodesets[index].items; |
---|
| 2095 | } |
---|
| 2096 | |
---|
| 2097 | /// \brief Gives back how many edgesets are in the file. |
---|
| 2098 | /// |
---|
| 2099 | /// Gives back how many edgesets are in the file. |
---|
| 2100 | int edgeSetNum() const { |
---|
| 2101 | return edgesets.size(); |
---|
| 2102 | } |
---|
| 2103 | |
---|
| 2104 | /// \brief Gives back the name of edgeset on the indiced position. |
---|
| 2105 | /// |
---|
| 2106 | /// Gives back the name of edgeset on the indiced position. |
---|
| 2107 | std::string edgeSetName(int index) const { |
---|
| 2108 | return edgesets[index].name; |
---|
| 2109 | } |
---|
| 2110 | |
---|
| 2111 | /// \brief Gives back the map names of edgeset on the indiced position. |
---|
| 2112 | /// |
---|
| 2113 | /// Gives back the map names of edgeset on the indiced position. |
---|
| 2114 | const std::vector<std::string>& edgeSetMaps(int index) const { |
---|
| 2115 | return edgesets[index].items; |
---|
| 2116 | } |
---|
| 2117 | |
---|
| 2118 | /// \brief Gives back how many undirected edgesets are in the file. |
---|
| 2119 | /// |
---|
| 2120 | /// Gives back how many undirected edgesets are in the file. |
---|
[1909] | 2121 | int uEdgeSetNum() const { |
---|
| 2122 | return uedgesets.size(); |
---|
[1423] | 2123 | } |
---|
| 2124 | |
---|
| 2125 | /// \brief Gives back the name of undirected edgeset on the indiced |
---|
| 2126 | /// position. |
---|
| 2127 | /// |
---|
| 2128 | /// Gives back the name of undirected edgeset on the indiced position. |
---|
[1909] | 2129 | std::string uEdgeSetName(int index) const { |
---|
| 2130 | return uedgesets[index].name; |
---|
[1423] | 2131 | } |
---|
| 2132 | |
---|
| 2133 | /// \brief Gives back the map names of undirected edgeset on the indiced |
---|
| 2134 | /// position. |
---|
| 2135 | /// |
---|
| 2136 | /// Gives back the map names of undirected edgeset on the indiced position. |
---|
[1909] | 2137 | const std::vector<std::string>& uEdgeSetMaps(int index) const { |
---|
| 2138 | return uedgesets[index].items; |
---|
[1423] | 2139 | } |
---|
| 2140 | |
---|
| 2141 | /// \brief Gives back how many labeled nodes section are in the file. |
---|
| 2142 | /// |
---|
| 2143 | /// Gives back how many labeled nodes section are in the file. |
---|
| 2144 | int nodesNum() const { |
---|
| 2145 | return nodes.size(); |
---|
| 2146 | } |
---|
| 2147 | |
---|
| 2148 | /// \brief Gives back the name of labeled nodes section on the indiced |
---|
| 2149 | /// position. |
---|
| 2150 | /// |
---|
| 2151 | /// Gives back the name of labeled nodes section on the indiced position. |
---|
| 2152 | std::string nodesName(int index) const { |
---|
| 2153 | return nodes[index].name; |
---|
| 2154 | } |
---|
| 2155 | |
---|
| 2156 | /// \brief Gives back the names of the labeled nodes in the indiced |
---|
| 2157 | /// section. |
---|
| 2158 | /// |
---|
| 2159 | /// Gives back the names of the labeled nodes in the indiced section. |
---|
| 2160 | const std::vector<std::string>& nodesItems(int index) const { |
---|
| 2161 | return nodes[index].items; |
---|
| 2162 | } |
---|
| 2163 | |
---|
| 2164 | /// \brief Gives back how many labeled edges section are in the file. |
---|
| 2165 | /// |
---|
| 2166 | /// Gives back how many labeled edges section are in the file. |
---|
| 2167 | int edgesNum() const { |
---|
| 2168 | return edges.size(); |
---|
| 2169 | } |
---|
| 2170 | |
---|
| 2171 | /// \brief Gives back the name of labeled edges section on the indiced |
---|
| 2172 | /// position. |
---|
| 2173 | /// |
---|
| 2174 | /// Gives back the name of labeled edges section on the indiced position. |
---|
| 2175 | std::string edgesName(int index) const { |
---|
| 2176 | return edges[index].name; |
---|
| 2177 | } |
---|
| 2178 | |
---|
| 2179 | /// \brief Gives back the names of the labeled edges in the indiced |
---|
| 2180 | /// section. |
---|
| 2181 | /// |
---|
| 2182 | /// Gives back the names of the labeled edges in the indiced section. |
---|
| 2183 | const std::vector<std::string>& edgesItems(int index) const { |
---|
| 2184 | return edges[index].items; |
---|
| 2185 | } |
---|
| 2186 | |
---|
| 2187 | /// \brief Gives back how many labeled undirected edges section are |
---|
| 2188 | /// in the file. |
---|
| 2189 | /// |
---|
| 2190 | /// Gives back how many labeled undirected edges section are in the file. |
---|
[1909] | 2191 | int uEdgesNum() const { |
---|
| 2192 | return uedges.size(); |
---|
[1423] | 2193 | } |
---|
| 2194 | |
---|
| 2195 | /// \brief Gives back the name of labeled undirected edges section |
---|
| 2196 | /// on the indiced position. |
---|
| 2197 | /// |
---|
| 2198 | /// Gives back the name of labeled undirected edges section on the |
---|
| 2199 | /// indiced position. |
---|
[1909] | 2200 | std::string uEdgesName(int index) const { |
---|
| 2201 | return uedges[index].name; |
---|
[1423] | 2202 | } |
---|
| 2203 | |
---|
| 2204 | /// \brief Gives back the names of the labeled undirected edges in |
---|
| 2205 | /// the indiced section. |
---|
| 2206 | /// |
---|
| 2207 | /// Gives back the names of the labeled undirected edges in the |
---|
| 2208 | /// indiced section. |
---|
[1909] | 2209 | const std::vector<std::string>& uEdgesItems(int index) const { |
---|
| 2210 | return uedges[index].items; |
---|
[1423] | 2211 | } |
---|
| 2212 | |
---|
| 2213 | |
---|
| 2214 | /// \brief Gives back how many attributes section are in the file. |
---|
| 2215 | /// |
---|
| 2216 | /// Gives back how many attributes section are in the file. |
---|
| 2217 | int attributesNum() const { |
---|
| 2218 | return attributes.size(); |
---|
| 2219 | } |
---|
| 2220 | |
---|
| 2221 | /// \brief Gives back the name of attributes section on the indiced |
---|
| 2222 | /// position. |
---|
| 2223 | /// |
---|
| 2224 | /// Gives back the name of attributes section on the indiced position. |
---|
| 2225 | std::string attributesName(int index) const { |
---|
| 2226 | return attributes[index].name; |
---|
| 2227 | } |
---|
| 2228 | |
---|
| 2229 | /// \brief Gives back the names of the attributes in the indiced section. |
---|
| 2230 | /// |
---|
| 2231 | /// Gives back the names of the attributes in the indiced section. |
---|
| 2232 | const std::vector<std::string>& attributesItems(int index) const { |
---|
| 2233 | return attributes[index].items; |
---|
| 2234 | } |
---|
| 2235 | |
---|
| 2236 | const std::vector<std::string>& otherSections() const { |
---|
| 2237 | return sections; |
---|
| 2238 | } |
---|
| 2239 | |
---|
| 2240 | protected: |
---|
| 2241 | |
---|
| 2242 | /// \brief Gives back true when the SectionReader can process |
---|
| 2243 | /// the section with the given header line. |
---|
| 2244 | /// |
---|
| 2245 | /// It gives back true when the section is common section. |
---|
| 2246 | bool header(const std::string& line) { |
---|
| 2247 | std::istringstream ls(line); |
---|
| 2248 | std::string command, name; |
---|
| 2249 | ls >> command >> name; |
---|
| 2250 | if (command == "@nodeset") { |
---|
| 2251 | current = command; |
---|
| 2252 | nodesets.push_back(SectionInfo(name)); |
---|
| 2253 | } else if (command == "@edgeset") { |
---|
| 2254 | current = command; |
---|
| 2255 | edgesets.push_back(SectionInfo(name)); |
---|
[1909] | 2256 | } else if (command == "@uedgeset") { |
---|
[1423] | 2257 | current = command; |
---|
[1909] | 2258 | uedgesets.push_back(SectionInfo(name)); |
---|
[1423] | 2259 | } else if (command == "@nodes") { |
---|
| 2260 | current = command; |
---|
| 2261 | nodes.push_back(SectionInfo(name)); |
---|
| 2262 | } else if (command == "@edges") { |
---|
| 2263 | current = command; |
---|
| 2264 | edges.push_back(SectionInfo(name)); |
---|
[1909] | 2265 | } else if (command == "@uedges") { |
---|
[1423] | 2266 | current = command; |
---|
[1909] | 2267 | uedges.push_back(SectionInfo(name)); |
---|
[1423] | 2268 | } else if (command == "@attributes") { |
---|
| 2269 | current = command; |
---|
| 2270 | attributes.push_back(SectionInfo(name)); |
---|
| 2271 | } else { |
---|
| 2272 | sections.push_back(line); |
---|
| 2273 | return false; |
---|
| 2274 | } |
---|
| 2275 | return true; |
---|
| 2276 | } |
---|
| 2277 | |
---|
| 2278 | /// \brief Retrieve the items from various sections. |
---|
| 2279 | /// |
---|
| 2280 | /// Retrieve the items from various sections. |
---|
| 2281 | void read(std::istream& is) { |
---|
| 2282 | if (current == "@nodeset") { |
---|
| 2283 | readMapNames(is, nodesets.back().items); |
---|
| 2284 | } else if (current == "@edgeset") { |
---|
| 2285 | readMapNames(is, edgesets.back().items); |
---|
[1909] | 2286 | } else if (current == "@uedgeset") { |
---|
| 2287 | readMapNames(is, uedgesets.back().items); |
---|
[1423] | 2288 | } else if (current == "@nodes") { |
---|
| 2289 | readItemNames(is, nodes.back().items); |
---|
| 2290 | } else if (current == "@edges") { |
---|
| 2291 | readItemNames(is, edges.back().items); |
---|
[1909] | 2292 | } else if (current == "@uedges") { |
---|
| 2293 | readItemNames(is, uedges.back().items); |
---|
[1423] | 2294 | } else if (current == "@attributes") { |
---|
| 2295 | readItemNames(is, attributes.back().items); |
---|
| 2296 | } |
---|
| 2297 | } |
---|
| 2298 | |
---|
| 2299 | private: |
---|
| 2300 | |
---|
| 2301 | void readMapNames(std::istream& is, std::vector<std::string>& maps) { |
---|
[1901] | 2302 | std::string line, name; |
---|
[1423] | 2303 | std::getline(is, line); |
---|
| 2304 | std::istringstream ls(line); |
---|
[1901] | 2305 | while (ls >> name) { |
---|
| 2306 | maps.push_back(name); |
---|
[1423] | 2307 | } |
---|
| 2308 | while (getline(is, line)); |
---|
| 2309 | } |
---|
| 2310 | |
---|
| 2311 | void readItemNames(std::istream& is, std::vector<std::string>& maps) { |
---|
[1901] | 2312 | std::string line, name; |
---|
[1423] | 2313 | while (std::getline(is, line)) { |
---|
| 2314 | std::istringstream ls(line); |
---|
[1901] | 2315 | ls >> name; |
---|
| 2316 | maps.push_back(name); |
---|
[1423] | 2317 | } |
---|
| 2318 | } |
---|
| 2319 | |
---|
| 2320 | struct SectionInfo { |
---|
| 2321 | std::string name; |
---|
| 2322 | std::vector<std::string> items; |
---|
| 2323 | |
---|
| 2324 | SectionInfo(const std::string& _name) : name(_name) {} |
---|
| 2325 | }; |
---|
| 2326 | |
---|
| 2327 | std::vector<SectionInfo> nodesets; |
---|
| 2328 | std::vector<SectionInfo> edgesets; |
---|
[1909] | 2329 | std::vector<SectionInfo> uedgesets; |
---|
[1423] | 2330 | |
---|
| 2331 | std::vector<SectionInfo> nodes; |
---|
| 2332 | std::vector<SectionInfo> edges; |
---|
[1909] | 2333 | std::vector<SectionInfo> uedges; |
---|
[1423] | 2334 | |
---|
| 2335 | std::vector<SectionInfo> attributes; |
---|
| 2336 | |
---|
| 2337 | std::vector<std::string> sections; |
---|
| 2338 | |
---|
| 2339 | std::string current; |
---|
| 2340 | |
---|
| 2341 | }; |
---|
| 2342 | |
---|
[1408] | 2343 | } |
---|
| 2344 | #endif |
---|