bool Load(const std::string& filename,
const std::string& name,
T& t,
const bool fatal,
format f)
{
if (f == format::autodetect)
{
std::string extension = Extension(filename);
if (extension == "xml")
f = format::xml;
else if (extension == "bin")
f = format::binary;
else if (extension == "txt")
f = format::text;
else
{
if (fatal)
Log::Fatal << "Unable to detect type of '" << filename << "'; incorrect"
<< " extension?" << std::endl;
else
Log::Warn << "Unable to detect type of '" << filename << "'; load "
<< "failed. Incorrect extension?" << std::endl;
return false;
}
}
// Now load the given format.
std::ifstream ifs(filename);
if (!ifs.is_open())
{
if (fatal)
Log::Fatal << "Unable to open file '" << filename << "'." << std::endl;
else
Log::Warn << "Unable to open file '" << filename << "'." << std::endl;
return false;
}
try
{
if (f == format::xml)
{
boost::archive::xml_iarchive ar(ifs);
ar >> CreateNVP(t, name);
}
else if (f == format::text)
{
boost::archive::text_iarchive ar(ifs);
ar >> CreateNVP(t, name);
}
bool Save(const std::string& filename,
const std::string& name,
T& t,
const bool fatal,
format f)
{
if (f == format::autodetect)
{
std::string extension = Extension(filename);
if (extension == "xml")
f = format::xml;
else if (extension == "bin")
f = format::binary;
else if (extension == "txt")
f = format::text;
else
{
if (fatal)
Log::Fatal << "Unable to detect type of '" << filename << "'; incorrect"
<< " extension? (allowed: xml/bin/txt)" << std::endl;
else
Log::Warn << "Unable to detect type of '" << filename << "'; save "
<< "failed. Incorrect extension? (allowed: xml/bin/txt)"
<< std::endl;
return false;
}
}
// Open the file to save to.
std::ofstream ofs;
#ifdef _WIN32
if (f == format::binary) // Open non-text types in binary mode on Windows.
ofs.open(filename, std::ofstream::out | std::ofstream::binary);
else
ofs.open(filename, std::ofstream::out);
#else
ofs.open(filename, std::ofstream::out);
#endif
if (!ofs.is_open())
{
if (fatal)
Log::Fatal << "Unable to open file '" << filename << "' to save object '"
<< name << "'." << std::endl;
else
Log::Warn << "Unable to open file '" << filename << "' to save object '"
<< name << "'." << std::endl;
return false;
}
try
{
if (f == format::xml)
{
boost::archive::xml_oarchive ar(ofs);
ar << CreateNVP(t, name);
}
else if (f == format::text)
{
boost::archive::text_oarchive ar(ofs);
ar << CreateNVP(t, name);
}
else if (f == format::binary)
{
boost::archive::binary_oarchive ar(ofs);
ar << CreateNVP(t, name);
}
return true;
}
catch (boost::archive::archive_exception& e)
{
if (fatal)
Log::Fatal << e.what() << std::endl;
else
Log::Warn << e.what() << std::endl;
return false;
}
}
