... | ... |
@@ -479,6 +479,9 @@ |
479 | 479 |
bool _use_nodes; |
480 | 480 |
bool _use_arcs; |
481 | 481 |
|
482 |
bool _skip_nodes; |
|
483 |
bool _skip_arcs; |
|
484 |
|
|
482 | 485 |
int line_num; |
483 | 486 |
std::istringstream line; |
484 | 487 |
|
... | ... |
@@ -490,7 +493,8 @@ |
490 | 493 |
/// input stream. |
491 | 494 |
DigraphReader(std::istream& is, Digraph& digraph) |
492 | 495 |
: _is(&is), local_is(false), _digraph(digraph), |
493 |
_use_nodes(false), _use_arcs(false) |
|
496 |
_use_nodes(false), _use_arcs(false), |
|
497 |
_skip_nodes(false), _skip_arcs(false) {} |
|
494 | 498 |
|
495 | 499 |
/// \brief Constructor |
496 | 500 |
/// |
... | ... |
@@ -498,7 +502,8 @@ |
498 | 502 |
/// file. |
499 | 503 |
DigraphReader(const std::string& fn, Digraph& digraph) |
500 | 504 |
: _is(new std::ifstream(fn.c_str())), local_is(true), _digraph(digraph), |
501 |
_use_nodes(false), _use_arcs(false) |
|
505 |
_use_nodes(false), _use_arcs(false), |
|
506 |
_skip_nodes(false), _skip_arcs(false) {} |
|
502 | 507 |
|
503 | 508 |
/// \brief Constructor |
504 | 509 |
/// |
... | ... |
@@ -506,7 +511,8 @@ |
506 | 511 |
/// file. |
507 | 512 |
DigraphReader(const char* fn, Digraph& digraph) |
508 | 513 |
: _is(new std::ifstream(fn)), local_is(true), _digraph(digraph), |
509 |
_use_nodes(false), _use_arcs(false) |
|
514 |
_use_nodes(false), _use_arcs(false), |
|
515 |
_skip_nodes(false), _skip_arcs(false) {} |
|
510 | 516 |
|
511 | 517 |
/// \brief Copy constructor |
512 | 518 |
/// |
... | ... |
@@ -514,7 +520,8 @@ |
514 | 520 |
/// therefore the copied reader will not be usable more. |
515 | 521 |
DigraphReader(DigraphReader& other) |
516 | 522 |
: _is(other._is), local_is(other.local_is), _digraph(other._digraph), |
517 |
_use_nodes(other._use_nodes), _use_arcs(other._use_arcs) |
|
523 |
_use_nodes(other._use_nodes), _use_arcs(other._use_arcs), |
|
524 |
_skip_nodes(other._skip_nodes), _skip_arcs(other._skip_arcs) { |
|
518 | 525 |
|
519 | 526 |
other._is = 0; |
520 | 527 |
other.local_is = false; |
... | ... |
@@ -837,7 +844,7 @@ |
837 | 844 |
/// std::string. |
838 | 845 |
template <typename Map, typename Converter> |
839 | 846 |
DigraphReader& useArcs(const Map& map, |
840 |
|
|
847 |
const Converter& converter = Converter()) { |
|
841 | 848 |
checkConcept<concepts::ReadMap<Arc, typename Map::Value>, Map>(); |
842 | 849 |
LEMON_ASSERT(!_use_arcs, "Multiple usage of useArcs() member"); |
843 | 850 |
_use_arcs = true; |
... | ... |
@@ -847,6 +854,32 @@ |
847 | 854 |
return *this; |
848 | 855 |
} |
849 | 856 |
|
857 |
/// \brief Skips the reading of node section |
|
858 |
/// |
|
859 |
/// Omit the reading of the node section. This implies that each node |
|
860 |
/// map reading rule will be abanoned, and the nodes of the graph |
|
861 |
/// will not be constructed, which usually cause that the arc set |
|
862 |
/// could not be read due to lack of node name |
|
863 |
/// resolving. Therefore, the \c skipArcs() should be used too, or |
|
864 |
/// the useNodes() member function should be used to specify the |
|
865 |
/// label of the nodes. |
|
866 |
DigraphReader& skipNodes() { |
|
867 |
LEMON_ASSERT(!_skip_nodes, "Skip nodes already set"); |
|
868 |
_skip_nodes = true; |
|
869 |
return *this; |
|
870 |
} |
|
871 |
|
|
872 |
/// \brief Skips the reading of arc section |
|
873 |
/// |
|
874 |
/// Omit the reading of the arc section. This implies that each arc |
|
875 |
/// map reading rule will be abanoned, and the arcs of the graph |
|
876 |
/// will not be constructed. |
|
877 |
DigraphReader& skipArcs() { |
|
878 |
LEMON_ASSERT(!_skip_arcs, "Skip arcs already set"); |
|
879 |
_skip_arcs = true; |
|
880 |
return *this; |
|
881 |
} |
|
882 |
|
|
850 | 883 |
/// @} |
851 | 884 |
|
852 | 885 |
private: |
... | ... |
@@ -1152,8 +1185,8 @@ |
1152 | 1185 |
throw DataFormatError("Cannot find file"); |
1153 | 1186 |
} |
1154 | 1187 |
|
1155 |
bool nodes_done = false; |
|
1156 |
bool arcs_done = false; |
|
1188 |
bool nodes_done = _skip_nodes; |
|
1189 |
bool arcs_done = _skip_arcs; |
|
1157 | 1190 |
bool attributes_done = false; |
1158 | 1191 |
std::set<std::string> extra_sections; |
1159 | 1192 |
|
... | ... |
@@ -1295,6 +1328,9 @@ |
1295 | 1328 |
bool _use_nodes; |
1296 | 1329 |
bool _use_edges; |
1297 | 1330 |
|
1331 |
bool _skip_nodes; |
|
1332 |
bool _skip_edges; |
|
1333 |
|
|
1298 | 1334 |
int line_num; |
1299 | 1335 |
std::istringstream line; |
1300 | 1336 |
|
... | ... |
@@ -1306,7 +1342,8 @@ |
1306 | 1342 |
/// input stream. |
1307 | 1343 |
GraphReader(std::istream& is, Graph& graph) |
1308 | 1344 |
: _is(&is), local_is(false), _graph(graph), |
1309 |
_use_nodes(false), _use_edges(false) |
|
1345 |
_use_nodes(false), _use_edges(false), |
|
1346 |
_skip_nodes(false), _skip_edges(false) {} |
|
1310 | 1347 |
|
1311 | 1348 |
/// \brief Constructor |
1312 | 1349 |
/// |
... | ... |
@@ -1314,7 +1351,8 @@ |
1314 | 1351 |
/// file. |
1315 | 1352 |
GraphReader(const std::string& fn, Graph& graph) |
1316 | 1353 |
: _is(new std::ifstream(fn.c_str())), local_is(true), _graph(graph), |
1317 |
_use_nodes(false), _use_edges(false) |
|
1354 |
_use_nodes(false), _use_edges(false), |
|
1355 |
_skip_nodes(false), _skip_edges(false) {} |
|
1318 | 1356 |
|
1319 | 1357 |
/// \brief Constructor |
1320 | 1358 |
/// |
... | ... |
@@ -1322,7 +1360,8 @@ |
1322 | 1360 |
/// file. |
1323 | 1361 |
GraphReader(const char* fn, Graph& graph) |
1324 | 1362 |
: _is(new std::ifstream(fn)), local_is(true), _graph(graph), |
1325 |
_use_nodes(false), _use_edges(false) |
|
1363 |
_use_nodes(false), _use_edges(false), |
|
1364 |
_skip_nodes(false), _skip_edges(false) {} |
|
1326 | 1365 |
|
1327 | 1366 |
/// \brief Copy constructor |
1328 | 1367 |
/// |
... | ... |
@@ -1330,7 +1369,8 @@ |
1330 | 1369 |
/// therefore the copied reader will not be usable more. |
1331 | 1370 |
GraphReader(GraphReader& other) |
1332 | 1371 |
: _is(other._is), local_is(other.local_is), _graph(other._graph), |
1333 |
_use_nodes(other._use_nodes), _use_edges(other._use_edges) |
|
1372 |
_use_nodes(other._use_nodes), _use_edges(other._use_edges), |
|
1373 |
_skip_nodes(other._skip_nodes), _skip_edges(other._skip_edges) { |
|
1334 | 1374 |
|
1335 | 1375 |
other._is = 0; |
1336 | 1376 |
other.local_is = false; |
... | ... |
@@ -1709,6 +1749,32 @@ |
1709 | 1749 |
return *this; |
1710 | 1750 |
} |
1711 | 1751 |
|
1752 |
/// \brief Skips the reading of node section |
|
1753 |
/// |
|
1754 |
/// Omit the reading of the node section. This implies that each node |
|
1755 |
/// map reading rule will be abanoned, and the nodes of the graph |
|
1756 |
/// will not be constructed, which usually cause that the edge set |
|
1757 |
/// could not be read due to lack of node name |
|
1758 |
/// resolving. Therefore, the \c skipEdges() should be used too, or |
|
1759 |
/// the useNodes() member function should be used to specify the |
|
1760 |
/// label of the nodes. |
|
1761 |
GraphReader& skipNodes() { |
|
1762 |
LEMON_ASSERT(!_skip_nodes, "Skip nodes already set"); |
|
1763 |
_skip_nodes = true; |
|
1764 |
return *this; |
|
1765 |
} |
|
1766 |
|
|
1767 |
/// \brief Skips the reading of edge section |
|
1768 |
/// |
|
1769 |
/// Omit the reading of the edge section. This implies that each edge |
|
1770 |
/// map reading rule will be abanoned, and the edges of the graph |
|
1771 |
/// will not be constructed. |
|
1772 |
GraphReader& skipEdges() { |
|
1773 |
LEMON_ASSERT(!_skip_edges, "Skip edges already set"); |
|
1774 |
_skip_edges = true; |
|
1775 |
return *this; |
|
1776 |
} |
|
1777 |
|
|
1712 | 1778 |
/// @} |
1713 | 1779 |
|
1714 | 1780 |
private: |
... | ... |
@@ -2012,8 +2078,8 @@ |
2012 | 2078 |
|
2013 | 2079 |
LEMON_ASSERT(_is != 0, "This reader assigned to an other reader"); |
2014 | 2080 |
|
2015 |
bool nodes_done = false; |
|
2016 |
bool edges_done = false; |
|
2081 |
bool nodes_done = _skip_nodes; |
|
2082 |
bool edges_done = _skip_edges; |
|
2017 | 2083 |
bool attributes_done = false; |
2018 | 2084 |
std::set<std::string> extra_sections; |
2019 | 2085 |
|
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