CMake/Source/cmCLocaleEnvironmentScope.cxx

55 lines
1.4 KiB
C++

/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmCLocaleEnvironmentScope.h"
#include "cmSystemTools.h"
#include <sstream>
#include <utility>
cmCLocaleEnvironmentScope::cmCLocaleEnvironmentScope()
{
this->SetEnv("LANGUAGE", "");
this->SetEnv("LC_MESSAGES", "C");
std::string lcAll = this->GetEnv("LC_ALL");
if (!lcAll.empty()) {
this->SetEnv("LC_ALL", "");
this->SetEnv("LC_CTYPE", lcAll);
}
}
std::string cmCLocaleEnvironmentScope::GetEnv(std::string const& key)
{
std::string value;
cmSystemTools::GetEnv(key, value);
return value;
}
void cmCLocaleEnvironmentScope::SetEnv(std::string const& key,
std::string const& value)
{
std::string oldValue = this->GetEnv(key);
this->EnvironmentBackup.insert(std::make_pair(key, oldValue));
if (value.empty()) {
cmSystemTools::UnsetEnv(key.c_str());
} else {
std::ostringstream tmp;
tmp << key << "=" << value;
cmSystemTools::PutEnv(tmp.str());
}
}
cmCLocaleEnvironmentScope::~cmCLocaleEnvironmentScope()
{
for (backup_map_t::const_iterator i = this->EnvironmentBackup.begin();
i != this->EnvironmentBackup.end(); ++i) {
std::ostringstream tmp;
tmp << i->first << "=" << i->second;
cmSystemTools::PutEnv(tmp.str());
}
}