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util function GetTempFilename()

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This commit is contained in:
mhochsteger@cerbsim.com 2021-11-04 12:20:56 +01:00
parent ef1bf2f727
commit 747367ab8a
3 changed files with 24 additions and 12 deletions
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10
libsrc/core/utils.cpp
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@ -7,6 +7,7 @@
#include <cxxabi.h> #include <cxxabi.h>
#endif #endif
#include <array> #include <array>
#include <filesystem>
#include <iostream> #include <iostream>
#include <regex> #include <regex>
@ -111,5 +112,14 @@ namespace ngcore
#endif #endif
} }
NGCORE_API std::string GetTempFilename()
{
static int counter = 0;
auto path = std::filesystem::temp_directory_path();
std::string filename = ".temp_netgen_file_"+ToString(counter++)+"_"+ToString(GetTimeCounter());
path.append(filename);
return path;
}
} // namespace ngcore } // namespace ngcore

2
libsrc/core/utils.hpp
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@ -201,6 +201,8 @@ namespace ngcore
NGCORE_API int GetCompiledSIMDSize(); NGCORE_API int GetCompiledSIMDSize();
NGCORE_API bool IsRangeCheckEnabled(); NGCORE_API bool IsRangeCheckEnabled();
NGCORE_API std::string GetTempFilename();
} // namespace ngcore } // namespace ngcore
#endif // NETGEN_CORE_UTILS_HPP #endif // NETGEN_CORE_UTILS_HPP

24
libsrc/occ/occgeom.cpp
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@ -58,11 +58,11 @@ namespace netgen
OCCGeometry::OCCGeometry(const TopoDS_Shape& _shape, int aoccdim) OCCGeometry::OCCGeometry(const TopoDS_Shape& _shape, int aoccdim)
{ {
auto filename = ".tmpfile_out.step"; auto filename = GetTempFilename();
step_utils::WriteSTEP(_shape, filename); step_utils::WriteSTEP(_shape, filename.c_str());
LoadOCCInto(this, filename); LoadOCCInto(this, filename.c_str());
occdim = aoccdim; occdim = aoccdim;
std::remove(filename); std::remove(filename.c_str());
} }
string STEP_GetEntityName(const TopoDS_Shape & theShape, STEPCAFControl_Reader * aReader) string STEP_GetEntityName(const TopoDS_Shape & theShape, STEPCAFControl_Reader * aReader)
@ -1650,24 +1650,24 @@ namespace netgen
std::stringstream ss; std::stringstream ss;
STEPControl_Writer writer; STEPControl_Writer writer;
writer.Transfer(shape, STEPControl_AsIs); writer.Transfer(shape, STEPControl_AsIs);
auto filename = ".tmpfile_out.step"; auto filename = GetTempFilename();
writer.Write(filename); writer.Write(filename.c_str());
std::ifstream is(filename); std::ifstream is(filename.c_str());
ss << is.rdbuf(); ss << is.rdbuf();
ar << ss.str(); ar << ss.str();
std::remove(filename); std::remove(filename.c_str());
} }
else else
{ {
std::string str; std::string str;
ar & str; ar & str;
auto filename = ".tmpfile.step"; auto filename = GetTempFilename();
auto tmpfile = std::fopen(filename, "w"); auto tmpfile = std::fopen(filename.c_str(), "w");
std::fputs(str.c_str(), tmpfile); std::fputs(str.c_str(), tmpfile);
std::fclose(tmpfile); std::fclose(tmpfile);
LoadOCCInto(this, filename); LoadOCCInto(this, filename.c_str());
std::remove(filename); std::remove(filename.c_str());
} }
} }