r1068:e8afd887d706
Thu, 04 Aug 2011 21:12:46
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/* -*- mode: C++; indent-tabs-mode: nil; -*- |
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* |
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* This file is a part of LEMON, a generic C++ optimization library. |
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* |
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* Copyright (C) 2003-2011 |
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* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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* (Egervary Research Group on Combinatorial Optimization, EGRES). |
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* |
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* Permission to use, modify and distribute this software is granted |
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* provided that this copyright notice appears in all copies. For |
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* precise terms see the accompanying LICENSE file. |
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* |
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* This software is provided "AS IS" with no warranty of any kind, |
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* express or implied, and with no claim as to its suitability for any |
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* purpose. |
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* |
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*/ |
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#include <lemon/list_graph.h> |
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#include <lemon/lgf_reader.h> |
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#include "test_tools.h" |
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using namespace lemon; |
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char test_lgf[] = |
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"@nodes\n" |
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"label\n" |
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"0\n" |
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"1\n" |
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"@arcs\n" |
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" label\n" |
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"0 1 0\n" |
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"1 0 1\n" |
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"@attributes\n" |
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"source 0\n" |
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"target 1\n"; |
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char test_lgf_nomap[] = |
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"@nodes\n" |
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"label\n" |
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"0\n" |
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"1\n" |
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"@arcs\n" |
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" -\n" |
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"0 1\n"; |
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char test_lgf_bad1[] = |
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"@nodes\n" |
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"label\n" |
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"0\n" |
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"1\n" |
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"@arcs\n" |
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" - another\n" |
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"0 1\n"; |
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char test_lgf_bad2[] = |
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"@nodes\n" |
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"label\n" |
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"0\n" |
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"1\n" |
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"@arcs\n" |
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" label -\n" |
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"0 1\n"; |
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int main() |
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{
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{
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ListDigraph d; |
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ListDigraph::Node s,t; |
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ListDigraph::ArcMap<int> label(d); |
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std::istringstream input(test_lgf); |
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digraphReader(d, input). |
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node("source", s).
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node("target", t).
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arcMap("label", label).
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run(); |
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check(countNodes(d) == 2,"There should be 2 nodes"); |
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check(countArcs(d) == 2,"There should be 2 arcs"); |
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} |
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{
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ListGraph g; |
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ListGraph::Node s,t; |
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ListGraph::EdgeMap<int> label(g); |
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std::istringstream input(test_lgf); |
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graphReader(g, input). |
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node("source", s).
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node("target", t).
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edgeMap("label", label).
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run(); |
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check(countNodes(g) == 2,"There should be 2 nodes"); |
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check(countEdges(g) == 2,"There should be 2 arcs"); |
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} |
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{
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ListDigraph d; |
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std::istringstream input(test_lgf_nomap); |
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digraphReader(d, input). |
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run(); |
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check(countNodes(d) == 2,"There should be 2 nodes"); |
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check(countArcs(d) == 1,"There should be 1 arc"); |
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} |
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{
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ListGraph g; |
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std::istringstream input(test_lgf_nomap); |
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graphReader(g, input). |
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run(); |
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check(countNodes(g) == 2,"There should be 2 nodes"); |
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check(countEdges(g) == 1,"There should be 1 edge"); |
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} |
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{
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ListDigraph d; |
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std::istringstream input(test_lgf_bad1); |
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bool ok=false; |
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try {
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digraphReader(d, input). |
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run(); |
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} |
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catch (FormatError& error) |
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{
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ok = true; |
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} |
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check(ok,"FormatError exception should have occured"); |
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} |
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{
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ListGraph g; |
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std::istringstream input(test_lgf_bad1); |
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bool ok=false; |
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try {
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graphReader(g, input). |
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run(); |
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} |
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catch (FormatError& error) |
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{
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ok = true; |
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} |
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check(ok,"FormatError exception should have occured"); |
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} |
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{
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ListDigraph d; |
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std::istringstream input(test_lgf_bad2); |
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bool ok=false; |
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try {
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digraphReader(d, input). |
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run(); |
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} |
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catch (FormatError& error) |
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{
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ok = true; |
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} |
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check(ok,"FormatError exception should have occured"); |
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} |
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{
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ListGraph g; |
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std::istringstream input(test_lgf_bad2); |
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bool ok=false; |
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try {
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graphReader(g, input). |
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run(); |
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} |
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catch (FormatError& error) |
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{
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ok = true; |
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} |
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check(ok,"FormatError exception should have occured"); |
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} |
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} |
| ... | ... |
@@ -63,11 +63,11 @@ |
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3 (40,10) 10 "Third node" |
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\endcode |
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The \c \@arcs section is very similar to the \c \@nodes section, |
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it again starts with a header line describing the names of the maps, |
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but the \c "label" map is not obligatory here. The following lines |
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describe the arcs. The first two tokens of each line are |
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The \c \@arcs section is very similar to the \c \@nodes section, it |
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again starts with a header line describing the names of the maps, but |
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the \c "label" map is not obligatory here. The following lines |
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describe the arcs. The first two tokens of each line are the source |
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and the target node of the arc, respectively, then come the map |
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values. The source and target tokens must be node labels. |
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\code |
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@@ -78,10 +78,21 @@ |
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2 3 18 |
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\endcode |
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If there is no map in the \c \@arcs section at all, then it must be |
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indicated by a sole '-' sign in the first line. |
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\code |
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@arcs |
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- |
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1 2 |
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1 3 |
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2 3 |
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\endcode |
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The \c \@edges is just a synonym of \c \@arcs. The \@arcs section can |
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also store the edge set of an undirected graph. In such case there is |
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a conventional method for store arc maps in the file, if two columns |
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have the same caption with \c '+' and \c '-' prefix, then these columns |
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can be regarded as the values of an arc map. |
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The \c \@attributes section contains key-value pairs, each line |
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@@ -2,7 +2,7 @@ |
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* |
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* This file is a part of LEMON, a generic C++ optimization library. |
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* |
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* Copyright (C) 2003- |
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* Copyright (C) 2003-2011 |
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* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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* (Egervary Research Group on Combinatorial Optimization, EGRES). |
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* |
| ... | ... |
@@ -965,6 +965,13 @@ |
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std::string map; |
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int index = 0; |
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while (_reader_bits::readToken(line, map)) {
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if(map == "-") {
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if(index!=0) |
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throw FormatError("'-' is not allowed as a map name");
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else if (line >> std::ws >> c) |
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throw FormatError("Extra character at the end of line");
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else break; |
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} |
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if (maps.find(map) != maps.end()) {
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std::ostringstream msg; |
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msg << "Multiple occurence of arc map: " << map; |
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@@ -1807,6 +1814,13 @@ |
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std::string map; |
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int index = 0; |
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while (_reader_bits::readToken(line, map)) {
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if(map == "-") {
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if(index!=0) |
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throw FormatError("'-' is not allowed as a map name");
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else if (line >> std::ws >> c) |
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throw FormatError("Extra character at the end of line");
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else break; |
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} |
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if (maps.find(map) != maps.end()) {
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std::ostringstream msg; |
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msg << "Multiple occurence of edge map: " << map; |
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@@ -18,6 +18,7 @@ |
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test/graph_utils_test \ |
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test/heap_test \ |
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test/kruskal_test \ |
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test/lgf_test \ |
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test/maps_test \ |
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test/random_test \ |
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test/path_test \ |
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@@ -41,6 +42,7 @@ |
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test_graph_utils_test_SOURCES = test/graph_utils_test.cc |
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test_heap_test_SOURCES = test/heap_test.cc |
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test_kruskal_test_SOURCES = test/kruskal_test.cc |
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test_lgf_test_SOURCES = test/lgf_test.cc |
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test_maps_test_SOURCES = test/maps_test.cc |
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test_path_test_SOURCES = test/path_test.cc |
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test_random_test_SOURCES = test/random_test.cc |
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