int main (int argc, const char * argv[])
{
if (argc < 3)
{
cout << "Usage: script <graph-file-name> <script-file-name>" << endl;
exit(1);
}
char filename[256];
strcpy (filename, argv[1]);
char script_filename[256];
strcpy (script_filename, argv[2]);
// ---------------------------------------------------------
// Read graph
MyGraph G;
GML_error err = G.load (filename);
if (err.err_num != GML_OK)
{
cerr << "Error (" << err.err_num << ") loading graph from file \"" << filename << "\"";
switch (err.err_num)
{
case GML_FILE_NOT_FOUND: cerr << "A file with that name doesn't exist."; break;
case GML_TOO_MANY_BRACKETS: cerr << "A mismatch of brackets was detected, i.e. there were too many closing brackets (])."; break;
case GML_OPEN_BRACKET: cerr << "Now, there were too many opening brackets ([)"; break;
case GML_TOO_MANY_DIGITS: cerr << "The number of digits a integer or floating point value can have is limited to 1024, this should be enough :-)"; break;
case GML_PREMATURE_EOF: cerr << "An EOF occured, where it wasn't expected, e.g. while scanning a string."; break;
case GML_SYNTAX: cerr << "The file isn't a valid GML file, e.g. a mismatch in the key-value pairs."; break;
case GML_UNEXPECTED: cerr << "A character occured, where it makes no sense, e.g. non-numerical characters"; break;
case GML_OK: break;
}
cerr << endl;
exit(1);
}
else
{
cout << "Graph read from file \"" << filename << "\" has " << G.number_of_nodes() << " nodes and " << G.number_of_edges() << " edges" << endl;
}
// Output starting graph
G.save_dot ("start.dot");
// 1. Get map between labels and nodes
std::map < std::string, GTL::node, std::less<std::string> > l;
node n;
forall_nodes (n, G)
{
l[G.get_node_label(n)] = n;
}
// Read edit script
{
ifstream f (script_filename);
char buf[512];
while (f.good())
{
f.getline (buf, sizeof(buf));
if (f.good())
{
// Break line into tokens
std::vector<std::string> tokens;
std::string s = buf;
std::string delimiters = "|";
Tokenise (s, delimiters, tokens);
if (tokens[0] == "delete")
{
if (tokens[1] == "node")
{
string name = tokens[2];
if (l.find(name) == l.end())
{
cout << "Node labelled \"" << name << "\" not found" << endl;
exit(1);
}
else
{
cout << "Node \"" << name << "\" deleted" << endl;
G.del_node(l[name]);
l.erase(name);
}
}
else if (tokens[1] == "branch")
{
string source = tokens[2];
string target = tokens[3];
if (l.find(source) == l.end())
{
cout << "Node labelled \"" << source << "\" not found" << endl;
exit(1);
}
if (l.find(target) == l.end())
{
cout << "Node labelled \"" << target << "\" not found" << endl;
exit(1);
}
cout << "Edge \"" << source << "\"-->\"" << target << "\" deleted" << endl;
G.delete_edge(l[source], l[target]);
}
}
if (tokens[0] == "insert")
{
if (tokens[1] == "node")
{
string name = tokens[2];
node n = G.new_node();
G.set_node_label (n, name);
G.set_node_colour (n, "green");
l[name] = n;
cout << "Node \"" << name << "\" inserted" << endl;
}
else if (tokens[1] == "branch")
{
string source = tokens[2];
string target = tokens[3];
if (l.find(source) == l.end())
{
cout << "Node labelled \"" << source << "\" not found" << endl;
exit(1);
}
if (l.find(target) == l.end())
{
cout << "Node labelled \"" << target << "\" not found" << endl;
exit(1);
}
edge e = G.new_edge (l[source], l[target]);
G.set_edge_colour (e, "green");
cout << "Edge \"" << source << "\"-->\"" << target << "\" added" << endl;
}
}
}
}
f.close();
}
G.save_dot ("end.dot");
return 0;
}
/**
* Kompilace: $ g++ -std=c++11 -Wall -pedantic main.cpp mygraph.cpp edge.cpp node.cpp dijkstra.cpp -o graph
* ./graph [string] ... Spusti program, nacte ze souboru.
* ./graph [string] [unsigned int] [unsigned int] ... Generuje graf do souboru,
* druhy parametr je pocet uzlu a treti parametr pocet hran, ktere v prumeru
* vedou z nejakeho uzlu.
*/
int main(int argc, char* const argv[]) {
ios::sync_with_stdio(false);
MyGraph * graph = new MyGraph();
try {
switch(argc) {
case 2: {
graph->load(argv[1]);
//ofstream ofs;
//ofs.open("dijkstra.out");
//if(!ofs.is_open()) throw IOException();
double ** matrix;
CDijkstra dijkstra = CDijkstra(graph);
clock_t begin = clock();
//matrix = dijkstra.CalculateDistanceMatrix();
clock_t end = clock();
//printMatrix(ofs, matrix, graph->size());
//ofs.close();
double elapsed_secs = double(end - begin) / CLOCKS_PER_SEC;
cout << "Dijkstra:\t" << elapsed_secs << " sec" << endl;
//ofs.open("floydwarshall.out");
//if(!ofs.is_open()) throw IOException();
int blockSize = 36;
while(graph->size() % blockSize != 0) ++blockSize;
begin = clock();
matrix = floydWarschall(graph, blockSize);
end = clock();
//printMatrix(ofs, matrix, graph->size());
//ofs.close();
elapsed_secs = double(end - begin) / CLOCKS_PER_SEC;
cout << "FloydWarshall:\t" << elapsed_secs << " sec" << endl;
/*double ** matrix;
for(unsigned i = 1; i < 1080; ++i) {
if(1080 % i == 0)
{
clock_t begin = clock();
matrix = floydWarschall(graph, i);
clock_t end = clock();
cout << i << " " << double(end - begin) / CLOCKS_PER_SEC << endl;
}
}*/
break;
}
case 4: {
unsigned int n, pocetHran;
string arg = argv[2];
arg += " ";
arg += argv[3];
arg += " ";
stringstream ss(arg);
ss >> n;
ss >> pocetHran;
if(ss.eof() || ss.fail()) throw IOException();
graph->graphGen(n, pocetHran, argv[1]);
break;
}
default: {
throw IllegalArgumentException();
break;
}
}
}
catch(IOException) {}
catch(IllegalArgumentException) {}
catch(...) {
cerr << "Neco se podelalo." << endl;
}
delete graph;
return 0;
}
/**
* Kompilace: $ g++ -std=c++11 -Wall -pedantic main.cpp mygraph.cpp edge.cpp node.cpp dijkstra.cpp -o graph
* ./graph [string] ... Spusti program, nacte ze souboru.
* ./graph [string] [unsigned int] [unsigned int] ... Generuje graf do souboru,
* druhy parametr je pocet uzlu a treti parametr pocet hran, ktere v prumeru
* vedou z nejakeho uzlu.
*/
int main(int argc, char* const argv[]) {
ios::sync_with_stdio(false);
MyGraph * graph = new MyGraph();
try {
switch(argc) {
case 2: {
graph->load(argv[1]);
ofstream ofs;
//ofs.open("dijkstra.out");
//if(!ofs.is_open()) throw IOException();
double ** matrix;
CDijkstra dijkstra = CDijkstra(graph);
double time1 = omp_get_wtime();
matrix = dijkstra.CalculateDistanceMatrix();
double time2 = omp_get_wtime();
//printMatrix(ofs, matrix, graph->size());
//ofs.close();
cout << "omptime: " << time2 - time1 << endl;
//ofs.open("floydwarshall.out");
//if(!ofs.is_open()) throw IOException();
//begin = clock();
//matrix = floydWarschall(graph);
//end = clock();
//printMatrix(ofs, matrix, graph->size());
//ofs.close();
//elapsed_secs = double(end - begin) / CLOCKS_PER_SEC;
//cout << "FloydWarshall:\t" << elapsed_secs << " sec" << endl;
break;
}
case 4: {
unsigned int n, pocetHran;
string arg = argv[2];
arg += " ";
arg += argv[3];
arg += " ";
stringstream ss(arg);
ss >> n;
ss >> pocetHran;
if(ss.eof() || ss.fail()) throw IOException();
graph->graphGen(n, pocetHran, argv[1]);
break;
}
default: {
throw IllegalArgumentException();
break;
}
}
}
catch(IOException) {}
catch(IllegalArgumentException) {}
catch(...) {
cerr << "Neco se podelalo." << endl;
}
delete graph;
return 0;
}