Created
November 29, 2023 15:04
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#include "pch.h" | |
#include "framework.h" | |
#include "utils_winrt.h" | |
#include "utils.h" | |
#include <windows.globalization.h> | |
#include <objidlbase.h> | |
#include <roapi.h> | |
std::string GetLanguageNameWinRT(const std::string& languageTag) | |
{ | |
HSTRING_HEADER namespaceStringHeader; | |
HSTRING namespaceString = nullptr; | |
HRESULT hr = S_OK; | |
hr = RoInitialize(RO_INIT_MULTITHREADED); | |
if (FAILED(hr)) | |
return {}; | |
const std::wstring languageClassName = RuntimeClass_Windows_Globalization_Language; | |
hr = WindowsCreateStringReference(languageClassName.c_str(), | |
(UINT32)languageClassName.length(), | |
&namespaceStringHeader, | |
&namespaceString); | |
if (FAILED(hr) || !namespaceString) | |
return {}; | |
ABI::Windows::Globalization::ILanguageFactory* languageFactory = nullptr; // __x_ABI_CWindows_CGlobalization_CILanguageFactory | |
const IID& languageFactoryIID = ABI::Windows::Globalization::IID_ILanguageFactory; // IID___x_ABI_CWindows_CGlobalization_CILanguageFactory | |
hr = RoGetActivationFactory(namespaceString, languageFactoryIID, (void**)&languageFactory); | |
if (FAILED(hr)) | |
return {}; | |
std::wstring languageTagWide(utf8::widen(languageTag)); | |
HSTRING_HEADER languageTagStringHeader; | |
HSTRING languageTagString; | |
hr = WindowsCreateStringReference(languageTagWide.c_str(), | |
(UINT32)languageTagWide.size(), | |
&languageTagStringHeader, | |
&languageTagString); | |
if (FAILED(hr)) | |
{ | |
languageFactory->Release(); | |
return {}; | |
} | |
ABI::Windows::Globalization::ILanguage* language = nullptr; // __x_ABI_CWindows_CGlobalization_CILanguage | |
hr = languageFactory->CreateLanguage(languageTagString, &language); | |
if (FAILED(hr)) | |
{ | |
languageFactory->Release(); | |
return {}; | |
} | |
HSTRING languageDisplayNameString = nullptr; | |
hr = language->get_DisplayName(&languageDisplayNameString); | |
if (FAILED(hr)) | |
{ | |
language->Release(); | |
languageFactory->Release(); | |
return {}; | |
} | |
std::wstring returnString = WindowsGetStringRawBuffer(languageDisplayNameString, NULL); | |
hr = WindowsDeleteString(languageDisplayNameString); | |
language->Release(); | |
languageFactory->Release(); | |
return utf8::narrow(returnString); | |
} |
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