You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
47 lines
1.2 KiB
47 lines
1.2 KiB
2 years ago
|
#include "load_msh_format.h"
|
||
|
|
#include "io_utils.h"
|
||
|
|
|
||
|
|
#include <mshio/MshSpec.h>
|
||
|
|
#include <mshio/exception.h>
|
||
|
|
|
||
|
|
#include <cassert>
|
||
|
|
#include <fstream>
|
||
|
|
#include <sstream>
|
||
|
|
#include <string>
|
||
|
|
|
||
|
|
namespace mshio {
|
||
|
|
|
||
|
|
void load_mesh_format(std::istream& in, MshSpec& spec)
|
||
|
|
{
|
||
|
|
MeshFormat& format = spec.mesh_format;
|
||
|
|
in >> format.version;
|
||
|
|
|
||
|
|
if (format.version != "2.2" && format.version != "4.1") {
|
||
|
|
std::stringstream msg;
|
||
|
|
msg << "Unsupported MSH version: " << format.version;
|
||
|
|
throw UnsupportedFeature(msg.str());
|
||
|
|
}
|
||
|
|
|
||
|
|
in >> format.file_type;
|
||
|
|
in >> format.data_size;
|
||
|
|
|
||
|
|
if (format.version == "4.1" && sizeof(size_t) != format.data_size) {
|
||
|
|
std::stringstream msg;
|
||
|
|
msg << "MSH file (v4.1) requested data size of " << format.data_size
|
||
|
|
<< " bytes, which is different than `size_t` (" << sizeof(size_t) << " bytes)";
|
||
|
|
throw UnsupportedFeature(msg.str());
|
||
|
|
}
|
||
|
|
|
||
|
|
if (format.file_type != 0) {
|
||
|
|
int one = 0;
|
||
|
|
eat_white_space(in);
|
||
|
|
in.read(reinterpret_cast<char*>(&one), sizeof(int));
|
||
|
|
if (one != 1) {
|
||
|
|
throw UnsupportedFeature(
|
||
|
|
"MSH file (v" + format.version + ") is encoded with unsupported endianness!");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace mshio
|