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Sort instances before emitting to file

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This commit is contained in:
Thomas Krijnen
2018-11-13 14:46:15 +01:00
parent e64d8750e1
commit 50e5d5f4d5
1 changed files with 13 additions and 1 deletions
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src/ifcparse/IfcParse.cpp
+13 -1
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@@ -1857,10 +1857,22 @@ IfcFile::type_iterator IfcFile::types_incl_super_end() const {
return bytype.end();
}
namespace {
struct id_instance_pair_sorter {
bool operator()(const IfcParse::IfcFile::entity_by_id_t::value_type& a, const IfcParse::IfcFile::entity_by_id_t::value_type& b) const {
return a.first < b.first;
}
};
}
std::ostream& operator<< (std::ostream& os, const IfcParse::IfcFile& f) {
f.header().write(os);
for ( IfcFile::entity_by_id_t::const_iterator it = f.begin(); it != f.end(); ++ it ) {
typedef std::vector<std::pair<unsigned int, IfcUtil::IfcBaseClass*> > vector_t;
vector_t sorted(f.begin(), f.end());
std::sort(sorted.begin(), sorted.end(), id_instance_pair_sorter());
for (vector_t::const_iterator it = sorted.begin(); it != sorted.end(); ++ it) {
const IfcUtil::IfcBaseClass* e = it->second;
if (!IfcSchema::Type::IsSimple(e->type())) {
os << e->entity->toString(true) << ";" << std::endl;