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Update Env.cpp

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This commit is contained in:
Sandu Liviu Catalin 2021-04-20 19:24:44 +03:00
parent c74f0a0eb0
commit 68cbbdb831
1 changed files with 66 additions and 0 deletions
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66
module/Library/System/Env.cpp
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@ -9,6 +9,7 @@
#ifdef SQMOD_OS_WINDOWS
#include <windows.h>
#include <shlobj.h>
#include <Poco/UnicodeConverter.h>
#else
#include <linux/limits.h>
#include <sys/utsname.h>
@ -1177,6 +1178,70 @@ static Object SqEnv_NullDir()
return BufferToStrObj(SysEnv::NullDir());
}
// ------------------------------------------------------------------------------------------------
#ifdef SQMOD_OS_WINDOWS
#if !defined(WINVER) || (WINVER < 0x0600)
static void EnumerateLocales()
{
STHROWF("Windows version too old. Please set WINVER to a propper value when compiling the plug-in.");
}
#else
/* ------------------------------------------------------------------------------------------------
* Used internally to receive locales from the OS.
*/
static BOOL CALLBACK CallbackLocaleEx(LPWSTR pStr, DWORD SQ_UNUSED_ARG(dwFlags), LPARAM lparam) noexcept
{
// Retrieve the vector where we should append the received locale
auto loc_vec = reinterpret_cast< std::vector< std::string > * >(lparam);
// Create an empty string at the back of the vector
loc_vec->emplace_back();
// Convert the given wide-string to utf-8 into the created string
Poco::UnicodeConverter::convert(pStr, loc_vec->back());
// Continue
return TRUE;
}
/* ------------------------------------------------------------------------------------------------
* Retrieve a list of available locale names.
*/
static Array EnumerateLocales()
{
std::vector< std::string > loc_vec;
// Request a listing of available locales from the OS
EnumSystemLocalesEx(CallbackLocaleEx, LOCALE_ALL, reinterpret_cast< LPARAM >(&loc_vec), nullptr);
// Initialize an empty array
Array arr(SqVM(), 0);
// Did the OS give us any locales?
if (!loc_vec.empty()) {
// Reserve the array space upfront
arr.Reserve(static_cast< SQInteger >(loc_vec.size()));
// Append the elements from the vector into the array
arr.AppendFromCounted([&](HSQUIRRELVM vm, SQInteger i, size_t n) -> bool {
Var< std::string >::push(vm, loc_vec[static_cast< size_t >(i)]);
return static_cast< size_t >(i) < n;
}, loc_vec.size());
}
// Return the resulted array
return arr;
}
#endif
#else
/* ------------------------------------------------------------------------------------------------
* Unavailable. Try doing it via command line.
*/
static void EnumerateLocales()
{
STHROWF("This functionality is not available on linux because it cannot be done programmatically. Try using the command line: locale -a");
}
#endif
// ================================================================================================
void Register_SysEnv(HSQUIRRELVM vm)
{
@ -1204,6 +1269,7 @@ void Register_SysEnv(HSQUIRRELVM vm)
sens.Func(_SC("ConfigDir"), &SqEnv_ConfigDir);
sens.Func(_SC("SystemDir"), &SqEnv_SystemDir);
sens.Func(_SC("NullDir"), &SqEnv_NullDir);
sens.Func(_SC("Locales"), &EnumerateLocales);
RootTable(vm).Bind(_SC("SqSysEnv"), sens);
}