// recursively write clusters and nodes
static void write_ogml_graph(const ClusterGraphAttributes &A, cluster c, int level, ostream &os)
{
if(level > 0) {
GraphIO::indent(os,2+level) << "<node id=\"c" << c->index() << "\">\n";
if (A.has(GraphAttributes::nodeLabel)) {
GraphIO::indent(os,4) << "<label id=\"lc" << c->index() << "\">\n";
GraphIO::indent(os,5) << "<content>" << formatLabel(A.label(c)) << "</content>\n";
GraphIO::indent(os,4) << "</label>\n";
}
}
ListConstIterator<node> itn;
for (itn = c->nBegin(); itn.valid(); ++itn) {
node v = *itn;
GraphIO::indent(os,3+level) << "<node id=\"n" << v->index() << "\">\n";
if (A.has(GraphAttributes::nodeLabel)) {
GraphIO::indent(os,4) << "<label id=\"ln" << v->index() << "\">\n";
GraphIO::indent(os,5) << "<content>" << formatLabel(A.label(v)) << "</content>\n";
GraphIO::indent(os,4) << "</label>\n";
}
GraphIO::indent(os,3+level) << "</node>\n";
}
for (cluster child : c->children) {
write_ogml_graph(child, level+1, os);
}
if(level > 0) {
GraphIO::indent(os,2+level) << "</node>\n";
}
}
// recursively write clusters and nodes
static void write_ogml_graph(cluster c, int level, ostream &os)
{
if(level > 0) {
GraphIO::indent(os,2+level) << "<node id=\"c" << c->index() << "\">\n";
}
for (node v : c->nodes) {
GraphIO::indent(os,3+level) << "<node id=\"n" << v->index() << "\">\n";
GraphIO::indent(os,3+level) << "</node>\n";
}
for (cluster child : c->children) {
write_ogml_graph(child, level+1, os);
}
if(level > 0) {
GraphIO::indent(os,2+level) << "</node>\n";
}
}
static void writeCluster(
std::ostream &out, int depth,
const ClusterGraph &C, const ClusterGraphAttributes *CA, cluster c)
{
if(C.rootCluster() != c) {
GraphIO::indent(out, depth) << "<node "
<< "id=\"cluster" << c->index() << "\""
<< ">\n";
} else {
const std::string dir =
(CA && !CA->directed()) ? "undirected" : "directed";
GraphIO::indent(out, depth) << "<graph "
<< "mode=\"static\""
<< "defaultedgetype=\"" << dir << "\""
<< ">\n";
if(CA) {
defineAttributes(out, depth + 1, *CA);
}
}
GraphIO::indent(out, depth + 1) << "<nodes>\n";
for(ListConstIterator<cluster> cit = c->cBegin(); cit.valid(); ++cit) {
writeCluster(out, depth + 2, C, CA, *cit);
}
for(ListConstIterator<node> nit = c->nBegin(); nit.valid(); ++nit) {
writeNode(out, depth + 2, CA, *nit);
}
GraphIO::indent(out, depth + 1) << "</nodes>\n";
if(C.rootCluster() != c) {
GraphIO::indent(out, depth) << "</node>\n";
} else {
writeEdges(out, C.constGraph(), CA);
GraphIO::indent(out, depth) << "</graph>\n";
}
}
forall_clusters(workc, cGraph)
{
resultCluster[workc] = workc; //will be set to copy if non-c-planar
orCluster[workc] = workc;
originalClId[workc] = workc->index();
}