src/demo/dim_to_lgf.cc
changeset 1435 8e85e6bbefdf
parent 1434 d8475431bbbb
child 1436 e0beb94d08bf
     1.1 --- a/src/demo/dim_to_lgf.cc	Sat May 21 21:04:57 2005 +0000
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,166 +0,0 @@
     1.4 -#include <iostream>
     1.5 -#include <fstream>
     1.6 -#include <cstring>
     1.7 -
     1.8 -#include <lemon/smart_graph.h>
     1.9 -#include <lemon/dimacs.h>
    1.10 -#include <lemon/graph_writer.h>
    1.11 -
    1.12 -using namespace std;
    1.13 -using namespace lemon;
    1.14 -
    1.15 -const char* versionString =
    1.16 -"dim_to_lgf - part of lemon library\n";
    1.17 -
    1.18 -const char* helpString =
    1.19 -"Dimacs to LGF converter\n"
    1.20 -"Usage: dim_to_lgf [OPTIONS]\n"
    1.21 -"\n"
    1.22 -"Examples:\n"
    1.23 -"  dim_to_lgf --type shortestpath --input graph.dim --output graph.lgf\n"
    1.24 -"\n"
    1.25 -"Options:\n"
    1.26 -"  -i FILE, --input FILE    use FILE as input instead of standard input\n"
    1.27 -"  -o FILE, --output FILE   use FILE as output instead of standard output\n"
    1.28 -"  -t TYPE, --type TYPE     set up the type of the graph\n"
    1.29 -"                             Possible types:\n"
    1.30 -"                               mincostflow\n"
    1.31 -"                               maxflow (default)\n"
    1.32 -"                               shortestpath\n"
    1.33 -"                               capacitated\n"
    1.34 -"                               plain\n"
    1.35 -"  -v, --version            shows the version of the converter\n"
    1.36 -"  -h, --help               shows the help of the converter\n";
    1.37 -
    1.38 -
    1.39 -int main(int argc, const char *argv[]) {
    1.40 -  typedef SmartGraph Graph;
    1.41 -
    1.42 -  typedef Graph::Edge Edge;
    1.43 -  typedef Graph::Node Node;
    1.44 -  typedef Graph::EdgeIt EdgeIt;
    1.45 -  typedef Graph::NodeIt NodeIt;
    1.46 -  typedef Graph::EdgeMap<string> StringMap;
    1.47 -
    1.48 -  std::string inputName;
    1.49 -  std::string outputName;
    1.50 -  std::string typeName;
    1.51 -
    1.52 -  bool help = false;
    1.53 -  bool version = false;
    1.54 -
    1.55 -  for (int arg = 1; arg < argc; ++arg) {
    1.56 -    if (strcmp(argv[arg], "--type") == 0 || 
    1.57 -	strcmp(argv[arg], "-t") == 0) {
    1.58 -      if (!typeName.empty()) {
    1.59 -	cerr << "Multiple type description" << endl;
    1.60 -	return -1;
    1.61 -      }
    1.62 -      if (arg + 1 == argc) {
    1.63 -	cerr << "Parameter without value" << endl;
    1.64 -	return -1;
    1.65 -      }
    1.66 -      typeName = argv[++arg];
    1.67 -    }
    1.68 -    else if (strcmp(argv[arg], "--input") == 0 || 
    1.69 -	     strcmp(argv[arg], "-i") == 0) {
    1.70 -      if (!inputName.empty()) {
    1.71 -	cerr << "Multiple input description" << endl;
    1.72 -	return -1;
    1.73 -      }
    1.74 -      if (arg + 1 == argc) {
    1.75 -	cerr << "Parameter without value" << endl;
    1.76 -	return -1;
    1.77 -      }
    1.78 -      inputName = argv[++arg];
    1.79 -    }
    1.80 -    else if (strcmp(argv[arg], "--output") == 0 || 
    1.81 -	     strcmp(argv[arg], "-o") == 0) {
    1.82 -      if (!outputName.empty()) {
    1.83 -	cerr << "Multiple input description" << endl;
    1.84 -	return -1;
    1.85 -      }
    1.86 -      if (arg + 1 == argc) {
    1.87 -	cerr << "Parameter without value" << endl;
    1.88 -	return -1;
    1.89 -      }
    1.90 -      outputName = argv[++arg];
    1.91 -    } else if (strcmp(argv[arg], "--help") == 0 ||
    1.92 -	       strcmp(argv[arg], "-h") == 0) {
    1.93 -      help = true;
    1.94 -    } else if (strcmp(argv[arg], "--version") == 0 ||
    1.95 -	       strcmp(argv[arg], "-v") == 0) {
    1.96 -      version = true;
    1.97 -    } else {
    1.98 -      cerr << "Invalid option: " << argv[arg] << endl;
    1.99 -      return -1;
   1.100 -    }
   1.101 -  }
   1.102 -
   1.103 -  if (version) {
   1.104 -    cout << versionString;
   1.105 -  }
   1.106 -  if (help) {
   1.107 -    cout << helpString;
   1.108 -  }
   1.109 -  if (help || version) {
   1.110 -    return 0;
   1.111 -  }
   1.112 -
   1.113 -  ifstream input;
   1.114 -  if (!inputName.empty()) {
   1.115 -    input.open(inputName.c_str());
   1.116 -    if (!input) {
   1.117 -      cerr << "File open error" << endl;
   1.118 -      return -1;
   1.119 -    }
   1.120 -  }
   1.121 -  istream& is = (inputName.empty() ? cin : input);
   1.122 -
   1.123 -  ofstream output;
   1.124 -  if (!outputName.empty()) {
   1.125 -    output.open(outputName.c_str());
   1.126 -    if (!output) {
   1.127 -      cerr << "File open error" << endl;
   1.128 -      return -1;
   1.129 -    }
   1.130 -  }
   1.131 -  ostream& os = (outputName.empty() ? cout : output);
   1.132 -
   1.133 -  if (typeName.empty()) {
   1.134 -    typeName = "maxflow";
   1.135 -  }
   1.136 -
   1.137 -  if (typeName == "mincostflow") {
   1.138 -    Graph graph;
   1.139 -    Node s, t;
   1.140 -    StringMap cost(graph), capacity(graph);
   1.141 -    readDimacs(is, graph, capacity, s, t, cost);
   1.142 -    writeGraph(os, graph, capacity, s, t, cost);
   1.143 -  } else if (typeName == "maxflow") {
   1.144 -    Graph graph;
   1.145 -    Node s, t;
   1.146 -    StringMap capacity(graph);
   1.147 -    readDimacs(is, graph, capacity, s, t);
   1.148 -    writeGraph(os, graph, capacity, s, t);
   1.149 -  } else if (typeName == "shortestpath") {
   1.150 -    Graph graph;
   1.151 -    Node s;
   1.152 -    StringMap capacity(graph);
   1.153 -    readDimacs(is, graph, capacity, s);
   1.154 -    writeGraph(os, graph, capacity, s);
   1.155 -  } else if (typeName == "capacitated") {
   1.156 -    Graph graph;
   1.157 -    StringMap capacity(graph);
   1.158 -    readDimacs(is, graph, capacity);
   1.159 -    writeGraph(os, graph, capacity);
   1.160 -  } else if (typeName == "plain") {
   1.161 -    Graph graph;
   1.162 -    readDimacs(is, graph);
   1.163 -    writeGraph(os, graph);
   1.164 -  } else {
   1.165 -    cerr << "Invalid type error" << endl;
   1.166 -    return -1;
   1.167 -  }
   1.168 -  return 0;
   1.169 -}