[1137] | 1 | /* -*- C++ -*- |
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| 2 | * |
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[1956] | 3 | * This file is a part of LEMON, a generic C++ optimization library |
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| 4 | * |
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| 5 | * Copyright (C) 2003-2006 |
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| 6 | * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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[1359] | 7 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
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[1137] | 8 | * |
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| 9 | * Permission to use, modify and distribute this software is granted |
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| 10 | * provided that this copyright notice appears in all copies. For |
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| 11 | * precise terms see the accompanying LICENSE file. |
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| 12 | * |
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| 13 | * This software is provided "AS IS" with no warranty of any kind, |
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| 14 | * express or implied, and with no claim as to its suitability for any |
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| 15 | * purpose. |
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| 16 | * |
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| 17 | */ |
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| 18 | |
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[2084] | 19 | ///\ingroup lemon_io |
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[1137] | 20 | ///\file |
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[1287] | 21 | ///\brief Lemon Graph Format reader. |
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[1137] | 22 | |
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[1214] | 23 | #ifndef LEMON_GRAPH_READER_H |
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| 24 | #define LEMON_GRAPH_READER_H |
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| 25 | |
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[1137] | 26 | #include <iostream> |
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| 27 | |
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| 28 | #include <lemon/error.h> |
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[1408] | 29 | #include <lemon/lemon_reader.h> |
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[1137] | 30 | |
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| 31 | namespace lemon { |
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| 32 | |
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[2084] | 33 | /// \addtogroup lemon_io |
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[1333] | 34 | /// @{ |
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[1137] | 35 | |
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| 36 | /// \brief The graph reader class. |
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| 37 | /// |
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[1534] | 38 | /// The \c GraphReader class provides the graph input. |
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| 39 | /// Before you read this documentation it might be useful to read the general |
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| 40 | /// description of \ref graph-io-page "Graph Input-Output". |
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[1540] | 41 | /// |
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| 42 | /// The file to be read may contain several maps and labeled nodes or |
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[1333] | 43 | /// edges. |
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| 44 | /// |
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| 45 | /// If you read a graph you need not read all the maps and items just those |
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| 46 | /// that you need. The interface of the \c GraphReader is very similar to |
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| 47 | /// the GraphWriter but the reading method does not depend on the order the |
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[1540] | 48 | /// given commands (i.e. you don't have to insist on the order in which the |
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| 49 | /// maps are given in the file). |
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[1333] | 50 | /// |
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[2100] | 51 | /// The reader object assumes that not read values do not contain |
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[1333] | 52 | /// whitespaces, therefore it has some extra possibilities to control how |
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| 53 | /// it should skip the values when the string representation contains spaces. |
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| 54 | /// |
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[1946] | 55 | ///\code |
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[1333] | 56 | /// GraphReader<ListGraph> reader(std::cin, graph); |
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[1946] | 57 | ///\endcode |
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[1333] | 58 | /// |
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[1394] | 59 | /// The \c readNodeMap() function reads a map from the \c \@nodeset section. |
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[1333] | 60 | /// If there is a map that you do not want to read from the file and there is |
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| 61 | /// whitespace in the string represenation of the values then you should |
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| 62 | /// call the \c skipNodeMap() template member function with proper |
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| 63 | /// parameters. |
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| 64 | /// |
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[1946] | 65 | ///\code |
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[1421] | 66 | /// reader.readNodeMap("coords", coords); |
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[1333] | 67 | /// |
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[1901] | 68 | /// reader.skipNodeMap("description", desc); |
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[1333] | 69 | /// |
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[1394] | 70 | /// reader.readNodeMap("color", colorMap); |
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[1946] | 71 | ///\endcode |
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[1333] | 72 | /// |
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[1394] | 73 | /// With the \c readEdgeMap() member function you can give an edge map |
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[1333] | 74 | /// reading command similar to the NodeMaps. |
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| 75 | /// |
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[1946] | 76 | ///\code |
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[1394] | 77 | /// reader.readEdgeMap("weight", weightMap); |
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| 78 | /// reader.readEdgeMap("label", labelMap); |
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[1946] | 79 | ///\endcode |
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[1333] | 80 | /// |
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[1408] | 81 | /// With \c readNode() and \c readEdge() functions you can read |
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| 82 | /// labeled Nodes and Edges. |
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[1333] | 83 | /// |
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[1946] | 84 | ///\code |
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[1394] | 85 | /// reader.readNode("source", sourceNode); |
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| 86 | /// reader.readNode("target", targetNode); |
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[1333] | 87 | /// |
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[1394] | 88 | /// reader.readEdge("observed", edge); |
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[1946] | 89 | ///\endcode |
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[1333] | 90 | /// |
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[1408] | 91 | /// With the \c readAttribute() functions you can read an attribute |
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[1540] | 92 | /// into a variable. You can specify the reader for the attribute as |
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[1408] | 93 | /// the nodemaps. |
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| 94 | /// |
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[1333] | 95 | /// After you give all read commands you must call the \c run() member |
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[1540] | 96 | /// function, which executes all the commands. |
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[1333] | 97 | /// |
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[1946] | 98 | ///\code |
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[1333] | 99 | /// reader.run(); |
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[1946] | 100 | ///\endcode |
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[1333] | 101 | /// |
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[1287] | 102 | /// \see DefaultReaderTraits |
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| 103 | /// \see QuotedStringReader |
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[1138] | 104 | /// \see \ref GraphWriter |
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| 105 | /// \see \ref graph-io-page |
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[1333] | 106 | /// \author Balazs Dezso |
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[1137] | 107 | template <typename _Graph, typename _ReaderTraits = DefaultReaderTraits> |
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| 108 | class GraphReader { |
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| 109 | public: |
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| 110 | |
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| 111 | typedef _Graph Graph; |
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| 112 | typedef typename Graph::Node Node; |
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| 113 | typedef typename Graph::Edge Edge; |
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| 114 | |
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| 115 | typedef _ReaderTraits ReaderTraits; |
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[1408] | 116 | typedef typename ReaderTraits::Skipper DefaultSkipper; |
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[1137] | 117 | |
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| 118 | /// \brief Construct a new GraphReader. |
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| 119 | /// |
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[1208] | 120 | /// Construct a new GraphReader. It reads into the given graph |
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[1540] | 121 | /// and it uses the given reader as the default skipper. |
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[1705] | 122 | GraphReader(std::istream& _is, Graph& _graph, |
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[1408] | 123 | const DefaultSkipper& _skipper = DefaultSkipper()) |
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[1421] | 124 | : reader(new LemonReader(_is)), own_reader(true), skipper(_skipper), |
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| 125 | nodeset_reader(*reader, _graph, std::string(), skipper), |
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| 126 | edgeset_reader(*reader, _graph, nodeset_reader, |
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| 127 | std::string(), skipper), |
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[1408] | 128 | node_reader(*reader, nodeset_reader, std::string()), |
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| 129 | edge_reader(*reader, edgeset_reader, std::string()), |
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| 130 | attribute_reader(*reader, std::string()) {} |
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| 131 | |
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| 132 | /// \brief Construct a new GraphReader. |
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| 133 | /// |
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| 134 | /// Construct a new GraphReader. It reads into the given graph |
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[1540] | 135 | /// and it uses the given reader as the default skipper. |
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[1705] | 136 | GraphReader(const std::string& _filename, Graph& _graph, |
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[1408] | 137 | const DefaultSkipper& _skipper = DefaultSkipper()) |
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| 138 | : reader(new LemonReader(_filename)), own_reader(true), |
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[1421] | 139 | skipper(_skipper), |
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| 140 | nodeset_reader(*reader, _graph, std::string(), skipper), |
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| 141 | edgeset_reader(*reader, _graph, nodeset_reader, |
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| 142 | std::string(), skipper), |
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[1408] | 143 | node_reader(*reader, nodeset_reader, std::string()), |
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| 144 | edge_reader(*reader, edgeset_reader, std::string()), |
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| 145 | attribute_reader(*reader, std::string()) {} |
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| 146 | |
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| 147 | /// \brief Construct a new GraphReader. |
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| 148 | /// |
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| 149 | /// Construct a new GraphReader. It reads into the given graph |
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[1540] | 150 | /// and it uses the given reader as the default skipper. |
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[1705] | 151 | GraphReader(LemonReader& _reader, Graph& _graph, |
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[1408] | 152 | const DefaultSkipper& _skipper = DefaultSkipper()) |
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[1421] | 153 | : reader(_reader), own_reader(false), skipper(_skipper), |
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| 154 | nodeset_reader(*reader, _graph, std::string(), skipper), |
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| 155 | edgeset_reader(*reader, _graph, nodeset_reader, |
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| 156 | std::string(), skipper), |
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[1408] | 157 | node_reader(*reader, nodeset_reader, std::string()), |
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| 158 | edge_reader(*reader, edgeset_reader, std::string()), |
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| 159 | attribute_reader(*reader, std::string()) {} |
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[1137] | 160 | |
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| 161 | /// \brief Destruct the graph reader. |
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| 162 | /// |
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| 163 | /// Destruct the graph reader. |
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| 164 | ~GraphReader() { |
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[1408] | 165 | if (own_reader) |
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| 166 | delete reader; |
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[1137] | 167 | } |
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| 168 | |
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[1540] | 169 | /// \brief Give a new node map reading command to the reader. |
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[1137] | 170 | /// |
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[1540] | 171 | /// Give a new node map reading command to the reader. |
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[1137] | 172 | template <typename Map> |
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[1394] | 173 | GraphReader& readNodeMap(std::string name, Map& map) { |
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[1421] | 174 | nodeset_reader.readNodeMap(name, map); |
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| 175 | return *this; |
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| 176 | } |
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| 177 | |
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| 178 | template <typename Map> |
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| 179 | GraphReader& readNodeMap(std::string name, const Map& map) { |
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| 180 | nodeset_reader.readNodeMap(name, map); |
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[1408] | 181 | return *this; |
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[1137] | 182 | } |
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| 183 | |
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[1540] | 184 | /// \brief Give a new node map reading command to the reader. |
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[1137] | 185 | /// |
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[1540] | 186 | /// Give a new node map reading command to the reader. |
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[1137] | 187 | template <typename Reader, typename Map> |
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[1394] | 188 | GraphReader& readNodeMap(std::string name, Map& map, |
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[1137] | 189 | const Reader& reader = Reader()) { |
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[1421] | 190 | nodeset_reader.readNodeMap(name, map, reader); |
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| 191 | return *this; |
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| 192 | } |
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| 193 | |
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| 194 | template <typename Reader, typename Map> |
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| 195 | GraphReader& readNodeMap(std::string name, const Map& map, |
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| 196 | const Reader& reader = Reader()) { |
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| 197 | nodeset_reader.readNodeMap(name, map, reader); |
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[1137] | 198 | return *this; |
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| 199 | } |
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| 200 | |
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[1540] | 201 | /// \brief Give a new node map skipping command to the reader. |
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[1137] | 202 | /// |
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[1540] | 203 | /// Give a new node map skipping command to the reader. |
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[1137] | 204 | template <typename Reader> |
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| 205 | GraphReader& skipNodeMap(std::string name, |
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| 206 | const Reader& reader = Reader()) { |
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[1421] | 207 | nodeset_reader.skipNodeMap(name, reader); |
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[1137] | 208 | return *this; |
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| 209 | } |
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| 210 | |
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[1540] | 211 | /// \brief Give a new edge map reading command to the reader. |
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[1137] | 212 | /// |
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[1540] | 213 | /// Give a new edge map reading command to the reader. |
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[1137] | 214 | template <typename Map> |
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[1394] | 215 | GraphReader& readEdgeMap(std::string name, Map& map) { |
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[1421] | 216 | edgeset_reader.readEdgeMap(name, map); |
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| 217 | return *this; |
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| 218 | } |
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| 219 | |
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| 220 | template <typename Map> |
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| 221 | GraphReader& readEdgeMap(std::string name, const Map& map) { |
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| 222 | edgeset_reader.readEdgeMap(name, map); |
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[1408] | 223 | return *this; |
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[1137] | 224 | } |
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| 225 | |
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| 226 | |
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[1540] | 227 | /// \brief Give a new edge map reading command to the reader. |
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[1137] | 228 | /// |
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[1540] | 229 | /// Give a new edge map reading command to the reader. |
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[1137] | 230 | template <typename Reader, typename Map> |
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[1394] | 231 | GraphReader& readEdgeMap(std::string name, Map& map, |
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[1137] | 232 | const Reader& reader = Reader()) { |
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[1421] | 233 | edgeset_reader.readEdgeMap(name, map, reader); |
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| 234 | return *this; |
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| 235 | } |
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| 236 | |
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| 237 | template <typename Reader, typename Map> |
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| 238 | GraphReader& readEdgeMap(std::string name, const Map& map, |
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| 239 | const Reader& reader = Reader()) { |
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| 240 | edgeset_reader.readEdgeMap(name, map, reader); |
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[1137] | 241 | return *this; |
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| 242 | } |
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| 243 | |
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[1540] | 244 | /// \brief Give a new edge map skipping command to the reader. |
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[1137] | 245 | /// |
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[1540] | 246 | /// Give a new edge map skipping command to the reader. |
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[1137] | 247 | template <typename Reader> |
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[1421] | 248 | GraphReader& skipEdgeMap(std::string name, |
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[1137] | 249 | const Reader& reader = Reader()) { |
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[1421] | 250 | edgeset_reader.skipEdgeMap(name, reader); |
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[1137] | 251 | return *this; |
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| 252 | } |
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| 253 | |
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[1540] | 254 | /// \brief Give a new labeled node reading command to the reader. |
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[1137] | 255 | /// |
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[1540] | 256 | /// Give a new labeled node reading command to the reader. |
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[1394] | 257 | GraphReader& readNode(std::string name, Node& node) { |
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[1408] | 258 | node_reader.readNode(name, node); |
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[1137] | 259 | return *this; |
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| 260 | } |
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| 261 | |
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[1540] | 262 | /// \brief Give a new labeled edge reading command to the reader. |
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[1137] | 263 | /// |
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[1540] | 264 | /// Give a new labeled edge reading command to the reader. |
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[1394] | 265 | GraphReader& readEdge(std::string name, Edge& edge) { |
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[1408] | 266 | edge_reader.readEdge(name, edge); |
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[1476] | 267 | return *this; |
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[1408] | 268 | } |
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| 269 | |
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[1540] | 270 | /// \brief Give a new attribute reading command. |
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[1408] | 271 | /// |
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[1540] | 272 | /// Give a new attribute reading command. |
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[1408] | 273 | template <typename Value> |
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| 274 | GraphReader& readAttribute(std::string name, Value& value) { |
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| 275 | attribute_reader.readAttribute(name, value); |
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[1137] | 276 | return *this; |
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| 277 | } |
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[1408] | 278 | |
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[1540] | 279 | /// \brief Give a new attribute reading command. |
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[1408] | 280 | /// |
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[1540] | 281 | /// Give a new attribute reading command. |
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[1408] | 282 | template <typename Reader, typename Value> |
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| 283 | GraphReader& readAttribute(std::string name, Value& value, |
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| 284 | const Reader& reader) { |
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| 285 | attribute_reader.readAttribute<Reader>(name, value, reader); |
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| 286 | return *this; |
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| 287 | } |
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| 288 | |
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| 289 | /// \brief Conversion operator to LemonReader. |
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| 290 | /// |
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[1540] | 291 | /// Conversion operator to LemonReader. It makes possible to access the |
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| 292 | /// encapsulated \e LemonReader, this way you can attach to this reader |
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| 293 | /// new instances of \e LemonReader::SectionReader. For more details see |
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| 294 | /// the \ref rwbackground "Background of Reading and Writing". |
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[1408] | 295 | operator LemonReader&() { |
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| 296 | return *reader; |
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| 297 | } |
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[1137] | 298 | |
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[1540] | 299 | /// \brief Executes the reading commands. |
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[1137] | 300 | /// |
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[1540] | 301 | /// Executes the reading commands. |
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[1137] | 302 | void run() { |
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[1408] | 303 | reader->run(); |
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[1396] | 304 | } |
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| 305 | |
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[1901] | 306 | |
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| 307 | /// \brief Returns true if the reader can give back the items by its label. |
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[1429] | 308 | /// |
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[1901] | 309 | /// \brief Returns true if the reader can give back the items by its label. |
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| 310 | bool isLabelReader() const { |
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| 311 | return nodeset_reader.isLabelReader() && edgeset_reader.isLabelReader(); |
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| 312 | } |
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| 313 | |
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| 314 | /// \brief Gives back the node by its label. |
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| 315 | /// |
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| 316 | /// It reads an label from the stream and gives back which node belongs to |
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[1935] | 317 | /// it. It is possible only if there was read a "label" named node map. |
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[1901] | 318 | void readLabel(std::istream& is, Node& node) const { |
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| 319 | nodeset_reader.readLabel(is, node); |
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[1429] | 320 | } |
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| 321 | |
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[1901] | 322 | /// \brief Gives back the edge by its label. |
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[1429] | 323 | /// |
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[1901] | 324 | /// It reads an label from the stream and gives back which edge belongs to |
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[1935] | 325 | /// it. It is possible only if there was read a "label" named edge map. |
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[1901] | 326 | void readLabel(std::istream& is, Edge& edge) const { |
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| 327 | return edgeset_reader.readLabel(is, edge); |
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[1429] | 328 | } |
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| 329 | |
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[1137] | 330 | private: |
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| 331 | |
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[1408] | 332 | LemonReader* reader; |
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| 333 | bool own_reader; |
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[1137] | 334 | |
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[1408] | 335 | DefaultSkipper skipper; |
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[1137] | 336 | |
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[1408] | 337 | NodeSetReader<Graph, ReaderTraits> nodeset_reader; |
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| 338 | EdgeSetReader<Graph, ReaderTraits> edgeset_reader; |
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| 339 | |
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| 340 | NodeReader<Graph> node_reader; |
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| 341 | EdgeReader<Graph> edge_reader; |
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| 342 | |
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| 343 | AttributeReader<ReaderTraits> attribute_reader; |
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[1137] | 344 | }; |
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| 345 | |
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[1534] | 346 | |
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[1744] | 347 | /// \brief The undirected graph reader class. |
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[1421] | 348 | /// |
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[1909] | 349 | /// The \c UGraphReader class provides the graph input. |
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[1540] | 350 | /// Before you read this documentation it might be useful to read the general |
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| 351 | /// description of \ref graph-io-page "Graph Input-Output". |
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| 352 | /// |
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[1421] | 353 | /// The given file format may contain several maps and labeled nodes or |
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| 354 | /// edges. |
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| 355 | /// |
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| 356 | /// If you read a graph you need not read all the maps and items just those |
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[1909] | 357 | /// that you need. The interface of the \c UGraphReader is very similar |
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| 358 | /// to the UGraphWriter but the reading method does not depend on the |
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[1540] | 359 | /// order of the given commands. |
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[1421] | 360 | /// |
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[2100] | 361 | /// The reader object suppose that each not read value does not contain |
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[1421] | 362 | /// whitespaces, therefore it has some extra possibilities to control how |
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| 363 | /// it should skip the values when the string representation contains spaces. |
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| 364 | /// |
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[1946] | 365 | ///\code |
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[1909] | 366 | /// UGraphReader<ListUGraph> reader(std::cin, graph); |
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[1946] | 367 | ///\endcode |
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[1421] | 368 | /// |
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| 369 | /// The \c readNodeMap() function reads a map from the \c \@nodeset section. |
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| 370 | /// If there is a map that you do not want to read from the file and there is |
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| 371 | /// whitespace in the string represenation of the values then you should |
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| 372 | /// call the \c skipNodeMap() template member function with proper |
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| 373 | /// parameters. |
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| 374 | /// |
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[1946] | 375 | ///\code |
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[1421] | 376 | /// reader.readNodeMap("coords", coords); |
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| 377 | /// |
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[1901] | 378 | /// reader.skipNodeMap("description", desc); |
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[1421] | 379 | /// |
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| 380 | /// reader.readNodeMap("color", colorMap); |
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[1946] | 381 | ///\endcode |
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[1421] | 382 | /// |
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[1909] | 383 | /// With the \c readUEdgeMap() member function you can give an |
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| 384 | /// uedge map reading command similar to the NodeMaps. |
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[1421] | 385 | /// |
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[1946] | 386 | ///\code |
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[1909] | 387 | /// reader.readUEdgeMap("capacity", capacityMap); |
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[1946] | 388 | ///\endcode |
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[1421] | 389 | /// |
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| 390 | /// The reading of the directed edge maps is just a syntactical sugar. |
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| 391 | /// It reads two undirected edgemaps into a directed edge map. The |
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| 392 | /// undirected edge maps' name should be start with the \c '+' and the |
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| 393 | /// \c '-' character and the same. |
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| 394 | /// |
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[1946] | 395 | ///\code |
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[1421] | 396 | /// reader.readEdgeMap("flow", flowMap); |
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[1946] | 397 | ///\endcode |
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[1421] | 398 | /// |
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[1909] | 399 | /// With \c readNode() and \c readUEdge() functions you can read |
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| 400 | /// labeled Nodes and UEdges. |
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[1421] | 401 | /// |
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[1946] | 402 | ///\code |
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[1421] | 403 | /// reader.readNode("source", sourceNode); |
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| 404 | /// reader.readNode("target", targetNode); |
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| 405 | /// |
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[1909] | 406 | /// reader.readUEdge("observed", uEdge); |
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[1946] | 407 | ///\endcode |
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[1421] | 408 | /// |
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| 409 | /// With the \c readAttribute() functions you can read an attribute |
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| 410 | /// in a variable. You can specify the reader for the attribute as |
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| 411 | /// the nodemaps. |
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| 412 | /// |
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| 413 | /// After you give all read commands you must call the \c run() member |
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| 414 | /// function, which execute all the commands. |
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| 415 | /// |
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[1946] | 416 | ///\code |
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[1421] | 417 | /// reader.run(); |
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[1946] | 418 | ///\endcode |
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[1421] | 419 | /// |
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| 420 | /// \see GraphReader |
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| 421 | /// \see DefaultReaderTraits |
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[1909] | 422 | /// \see \ref UGraphWriter |
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[1421] | 423 | /// \see \ref graph-io-page |
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| 424 | /// |
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| 425 | /// \author Balazs Dezso |
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| 426 | template <typename _Graph, typename _ReaderTraits = DefaultReaderTraits> |
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[1909] | 427 | class UGraphReader { |
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[1421] | 428 | public: |
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| 429 | |
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| 430 | typedef _Graph Graph; |
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| 431 | typedef typename Graph::Node Node; |
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| 432 | typedef typename Graph::Edge Edge; |
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[1909] | 433 | typedef typename Graph::UEdge UEdge; |
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[1421] | 434 | |
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| 435 | typedef _ReaderTraits ReaderTraits; |
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| 436 | typedef typename ReaderTraits::Skipper DefaultSkipper; |
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| 437 | |
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[1909] | 438 | /// \brief Construct a new UGraphReader. |
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[1421] | 439 | /// |
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[1909] | 440 | /// Construct a new UGraphReader. It reads into the given graph |
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[1421] | 441 | /// and it use the given reader as the default skipper. |
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[1909] | 442 | UGraphReader(std::istream& _is, Graph& _graph, |
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[1421] | 443 | const DefaultSkipper& _skipper = DefaultSkipper()) |
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| 444 | : reader(new LemonReader(_is)), own_reader(true), skipper(_skipper), |
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| 445 | nodeset_reader(*reader, _graph, std::string(), skipper), |
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[1909] | 446 | u_edgeset_reader(*reader, _graph, nodeset_reader, |
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[1421] | 447 | std::string(), skipper), |
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| 448 | node_reader(*reader, nodeset_reader, std::string()), |
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[1909] | 449 | u_edge_reader(*reader, u_edgeset_reader, std::string()), |
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[1421] | 450 | attribute_reader(*reader, std::string()) {} |
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| 451 | |
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[1909] | 452 | /// \brief Construct a new UGraphReader. |
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[1421] | 453 | /// |
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[1909] | 454 | /// Construct a new UGraphReader. It reads into the given graph |
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[1421] | 455 | /// and it use the given reader as the default skipper. |
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[1909] | 456 | UGraphReader(const std::string& _filename, Graph& _graph, |
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[1421] | 457 | const DefaultSkipper& _skipper = DefaultSkipper()) |
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| 458 | : reader(new LemonReader(_filename)), own_reader(true), |
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| 459 | skipper(_skipper), |
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| 460 | nodeset_reader(*reader, _graph, std::string(), skipper), |
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[1909] | 461 | u_edgeset_reader(*reader, _graph, nodeset_reader, |
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[1421] | 462 | std::string(), skipper), |
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| 463 | node_reader(*reader, nodeset_reader, std::string()), |
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[1909] | 464 | u_edge_reader(*reader, u_edgeset_reader, std::string()), |
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[1421] | 465 | attribute_reader(*reader, std::string()) {} |
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| 466 | |
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[1909] | 467 | /// \brief Construct a new UGraphReader. |
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[1421] | 468 | /// |
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[1909] | 469 | /// Construct a new UGraphReader. It reads into the given graph |
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[1421] | 470 | /// and it use the given reader as the default skipper. |
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[1909] | 471 | UGraphReader(LemonReader& _reader, Graph& _graph, |
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[1421] | 472 | const DefaultSkipper& _skipper = DefaultSkipper()) |
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| 473 | : reader(_reader), own_reader(false), skipper(_skipper), |
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| 474 | nodeset_reader(*reader, _graph, std::string(), skipper), |
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[1909] | 475 | u_edgeset_reader(*reader, _graph, nodeset_reader, |
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[1421] | 476 | std::string(), skipper), |
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| 477 | node_reader(*reader, nodeset_reader, std::string()), |
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[1909] | 478 | u_edge_reader(*reader, u_edgeset_reader, std::string()), |
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[1421] | 479 | attribute_reader(*reader, std::string()) {} |
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| 480 | |
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| 481 | /// \brief Destruct the graph reader. |
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| 482 | /// |
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| 483 | /// Destruct the graph reader. |
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[1909] | 484 | ~UGraphReader() { |
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[1421] | 485 | if (own_reader) |
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| 486 | delete reader; |
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| 487 | } |
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| 488 | |
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[1540] | 489 | /// \brief Give a new node map reading command to the reader. |
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[1421] | 490 | /// |
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[1540] | 491 | /// Give a new node map reading command to the reader. |
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[1421] | 492 | template <typename Map> |
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[1909] | 493 | UGraphReader& readNodeMap(std::string name, Map& map) { |
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[1421] | 494 | nodeset_reader.readNodeMap(name, map); |
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| 495 | return *this; |
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| 496 | } |
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| 497 | |
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| 498 | template <typename Map> |
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[1909] | 499 | UGraphReader& readNodeMap(std::string name, const Map& map) { |
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[1421] | 500 | nodeset_reader.readNodeMap(name, map); |
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| 501 | return *this; |
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| 502 | } |
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| 503 | |
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[1540] | 504 | /// \brief Give a new node map reading command to the reader. |
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[1421] | 505 | /// |
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[1540] | 506 | /// Give a new node map reading command to the reader. |
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[1421] | 507 | template <typename Reader, typename Map> |
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[1909] | 508 | UGraphReader& readNodeMap(std::string name, Map& map, |
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[1421] | 509 | const Reader& reader = Reader()) { |
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| 510 | nodeset_reader.readNodeMap(name, map, reader); |
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| 511 | return *this; |
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| 512 | } |
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| 513 | |
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| 514 | template <typename Reader, typename Map> |
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[1909] | 515 | UGraphReader& readNodeMap(std::string name, const Map& map, |
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[1421] | 516 | const Reader& reader = Reader()) { |
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| 517 | nodeset_reader.readNodeMap(name, map, reader); |
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| 518 | return *this; |
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| 519 | } |
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| 520 | |
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[1540] | 521 | /// \brief Give a new node map skipping command to the reader. |
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[1421] | 522 | /// |
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[1540] | 523 | /// Give a new node map skipping command to the reader. |
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[1421] | 524 | template <typename Reader> |
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[1909] | 525 | UGraphReader& skipNodeMap(std::string name, |
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[1421] | 526 | const Reader& reader = Reader()) { |
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| 527 | nodeset_reader.skipNodeMap(name, reader); |
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| 528 | return *this; |
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| 529 | } |
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| 530 | |
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[1540] | 531 | /// \brief Give a new undirected edge map reading command to the reader. |
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[1421] | 532 | /// |
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[1540] | 533 | /// Give a new undirected edge map reading command to the reader. |
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[1421] | 534 | template <typename Map> |
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[1909] | 535 | UGraphReader& readUEdgeMap(std::string name, Map& map) { |
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| 536 | u_edgeset_reader.readUEdgeMap(name, map); |
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[1421] | 537 | return *this; |
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| 538 | } |
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| 539 | |
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| 540 | template <typename Map> |
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[1909] | 541 | UGraphReader& readUEdgeMap(std::string name, const Map& map) { |
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| 542 | u_edgeset_reader.readUEdgeMap(name, map); |
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[1421] | 543 | return *this; |
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| 544 | } |
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| 545 | |
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| 546 | |
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[1540] | 547 | /// \brief Give a new undirected edge map reading command to the reader. |
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[1421] | 548 | /// |
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[1540] | 549 | /// Give a new undirected edge map reading command to the reader. |
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[1421] | 550 | template <typename Reader, typename Map> |
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[1909] | 551 | UGraphReader& readUEdgeMap(std::string name, Map& map, |
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[1421] | 552 | const Reader& reader = Reader()) { |
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[1909] | 553 | u_edgeset_reader.readUEdgeMap(name, map, reader); |
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[1421] | 554 | return *this; |
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| 555 | } |
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| 556 | |
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| 557 | template <typename Reader, typename Map> |
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[1909] | 558 | UGraphReader& readUEdgeMap(std::string name, const Map& map, |
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[1421] | 559 | const Reader& reader = Reader()) { |
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[1909] | 560 | u_edgeset_reader.readUEdgeMap(name, map, reader); |
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[1421] | 561 | return *this; |
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| 562 | } |
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| 563 | |
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[1540] | 564 | /// \brief Give a new undirected edge map skipping command to the reader. |
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[1421] | 565 | /// |
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[1540] | 566 | /// Give a new undirected edge map skipping command to the reader. |
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[1421] | 567 | template <typename Reader> |
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[1909] | 568 | UGraphReader& skipUEdgeMap(std::string name, |
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[1421] | 569 | const Reader& reader = Reader()) { |
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[1909] | 570 | u_edgeset_reader.skipUMap(name, reader); |
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[1421] | 571 | return *this; |
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| 572 | } |
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| 573 | |
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| 574 | |
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[1540] | 575 | /// \brief Give a new edge map reading command to the reader. |
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[1421] | 576 | /// |
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[1540] | 577 | /// Give a new edge map reading command to the reader. |
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[1421] | 578 | template <typename Map> |
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[1909] | 579 | UGraphReader& readEdgeMap(std::string name, Map& map) { |
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| 580 | u_edgeset_reader.readEdgeMap(name, map); |
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[1421] | 581 | return *this; |
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| 582 | } |
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| 583 | |
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| 584 | template <typename Map> |
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[1909] | 585 | UGraphReader& readEdgeMap(std::string name, const Map& map) { |
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| 586 | u_edgeset_reader.readEdgeMap(name, map); |
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[1421] | 587 | return *this; |
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| 588 | } |
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| 589 | |
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| 590 | |
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[1540] | 591 | /// \brief Give a new edge map reading command to the reader. |
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[1421] | 592 | /// |
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[1540] | 593 | /// Give a new edge map reading command to the reader. |
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[1421] | 594 | template <typename Reader, typename Map> |
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[1909] | 595 | UGraphReader& readEdgeMap(std::string name, Map& map, |
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[1421] | 596 | const Reader& reader = Reader()) { |
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[1909] | 597 | u_edgeset_reader.readEdgeMap(name, map, reader); |
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[1421] | 598 | return *this; |
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| 599 | } |
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| 600 | |
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| 601 | template <typename Reader, typename Map> |
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[1909] | 602 | UGraphReader& readEdgeMap(std::string name, const Map& map, |
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[1421] | 603 | const Reader& reader = Reader()) { |
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[1909] | 604 | u_edgeset_reader.readEdgeMap(name, map, reader); |
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[1421] | 605 | return *this; |
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| 606 | } |
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| 607 | |
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[1540] | 608 | /// \brief Give a new edge map skipping command to the reader. |
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[1421] | 609 | /// |
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[1540] | 610 | /// Give a new edge map skipping command to the reader. |
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[1421] | 611 | template <typename Reader> |
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[1909] | 612 | UGraphReader& skipEdgeMap(std::string name, |
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[1421] | 613 | const Reader& reader = Reader()) { |
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[1909] | 614 | u_edgeset_reader.skipEdgeMap(name, reader); |
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[1421] | 615 | return *this; |
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| 616 | } |
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| 617 | |
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[1540] | 618 | /// \brief Give a new labeled node reading command to the reader. |
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[1421] | 619 | /// |
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[1540] | 620 | /// Give a new labeled node reading command to the reader. |
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[1909] | 621 | UGraphReader& readNode(std::string name, Node& node) { |
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[1421] | 622 | node_reader.readNode(name, node); |
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| 623 | return *this; |
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| 624 | } |
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| 625 | |
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[1540] | 626 | /// \brief Give a new labeled edge reading command to the reader. |
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[1421] | 627 | /// |
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[1540] | 628 | /// Give a new labeled edge reading command to the reader. |
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[1909] | 629 | UGraphReader& readEdge(std::string name, Edge& edge) { |
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| 630 | u_edge_reader.readEdge(name, edge); |
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[1429] | 631 | } |
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| 632 | |
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[1540] | 633 | /// \brief Give a new labeled undirected edge reading command to the |
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| 634 | /// reader. |
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[1429] | 635 | /// |
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[1540] | 636 | /// Give a new labeled undirected edge reading command to the reader. |
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[1909] | 637 | UGraphReader& readUEdge(std::string name, UEdge& edge) { |
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| 638 | u_edge_reader.readUEdge(name, edge); |
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[1421] | 639 | } |
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| 640 | |
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[1540] | 641 | /// \brief Give a new attribute reading command. |
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[1421] | 642 | /// |
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[1540] | 643 | /// Give a new attribute reading command. |
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[1421] | 644 | template <typename Value> |
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[1909] | 645 | UGraphReader& readAttribute(std::string name, Value& value) { |
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[1421] | 646 | attribute_reader.readAttribute(name, value); |
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| 647 | return *this; |
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| 648 | } |
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| 649 | |
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[1540] | 650 | /// \brief Give a new attribute reading command. |
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[1421] | 651 | /// |
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[1540] | 652 | /// Give a new attribute reading command. |
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[1421] | 653 | template <typename Reader, typename Value> |
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[1909] | 654 | UGraphReader& readAttribute(std::string name, Value& value, |
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[1421] | 655 | const Reader& reader) { |
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| 656 | attribute_reader.readAttribute<Reader>(name, value, reader); |
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| 657 | return *this; |
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| 658 | } |
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| 659 | |
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| 660 | /// \brief Conversion operator to LemonReader. |
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| 661 | /// |
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| 662 | /// Conversion operator to LemonReader. It make possible |
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| 663 | /// to access the encapsulated \e LemonReader, this way |
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| 664 | /// you can attach to this reader new instances of |
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| 665 | /// \e LemonReader::SectionReader. |
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| 666 | operator LemonReader&() { |
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| 667 | return *reader; |
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| 668 | } |
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| 669 | |
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[1540] | 670 | /// \brief Executes the reading commands. |
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[1421] | 671 | /// |
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[1540] | 672 | /// Executes the reading commands. |
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[1421] | 673 | void run() { |
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| 674 | reader->run(); |
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| 675 | } |
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| 676 | |
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[1901] | 677 | |
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| 678 | /// \brief Returns true if the reader can give back the items by its label. |
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[1429] | 679 | /// |
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[1901] | 680 | /// \brief Returns true if the reader can give back the items by its label. |
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| 681 | bool isLabelReader() const { |
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| 682 | return nodeset_reader.isLabelReader() && |
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[1909] | 683 | u_edgeset_reader.isLabelReader(); |
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[1901] | 684 | } |
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| 685 | |
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| 686 | /// \brief Gives back the node by its label. |
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| 687 | /// |
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| 688 | /// It reads an label from the stream and gives back which node belongs to |
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[1935] | 689 | /// it. It is possible only if there was read a "label" named node map. |
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[1901] | 690 | void readLabel(std::istream& is, Node& node) const { |
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| 691 | return nodeset_reader.readLabel(is, node); |
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[1429] | 692 | } |
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| 693 | |
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[1935] | 694 | /// \brief Gives back the edge by its label |
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[1429] | 695 | /// |
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[1901] | 696 | /// It reads an label from the stream and gives back which edge belongs to |
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[1935] | 697 | /// it. It is possible only if there was read a "label" named edge map. |
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[1901] | 698 | void readLabel(std::istream& is, Edge& edge) const { |
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[1909] | 699 | return u_edgeset_reader.readLabel(is, edge); |
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[1429] | 700 | } |
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| 701 | |
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[1901] | 702 | /// \brief Gives back the undirected edge by its label. |
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[1429] | 703 | /// |
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[1901] | 704 | /// It reads an label from the stream and gives back which undirected edge |
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[1935] | 705 | /// belongs to it. It is possible only if there was read a "label" named |
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[1429] | 706 | /// edge map. |
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[1909] | 707 | void readLabel(std::istream& is, UEdge& uedge) const { |
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| 708 | return u_edgeset_reader.readLabel(is, uedge); |
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[1429] | 709 | } |
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| 710 | |
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| 711 | |
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[1421] | 712 | private: |
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| 713 | |
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| 714 | LemonReader* reader; |
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| 715 | bool own_reader; |
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| 716 | |
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| 717 | DefaultSkipper skipper; |
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| 718 | |
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| 719 | NodeSetReader<Graph, ReaderTraits> nodeset_reader; |
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[1909] | 720 | UEdgeSetReader<Graph, ReaderTraits> u_edgeset_reader; |
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[1421] | 721 | |
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| 722 | NodeReader<Graph> node_reader; |
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[1909] | 723 | UEdgeReader<Graph> u_edge_reader; |
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[1421] | 724 | |
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| 725 | AttributeReader<ReaderTraits> attribute_reader; |
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| 726 | }; |
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| 727 | |
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| 728 | |
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[1333] | 729 | /// @} |
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[1137] | 730 | } |
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[1214] | 731 | |
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| 732 | #endif |
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