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// Copyright 2021 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "common/WindowsUtils.h"
#include "common/windows_with_undefs.h"
#include <memory>
std::string WCharToUTF8(const wchar_t* input) {
// The -1 argument asks WideCharToMultiByte to use the null terminator to know the size of
// input. It will return a size that includes the null terminator.
int requiredSize = WideCharToMultiByte(CP_UTF8, 0, input, -1, nullptr, 0, nullptr, nullptr);
std::string result;
result.resize(requiredSize - 1);
WideCharToMultiByte(CP_UTF8, 0, input, -1, result.data(), requiredSize, nullptr, nullptr);
return result;
}
std::wstring UTF8ToWStr(const char* input) {
// The -1 argument asks MultiByteToWideChar to use the null terminator to know the size of
// input. It will return a size that includes the null terminator.
int requiredSize = MultiByteToWideChar(CP_UTF8, 0, input, -1, nullptr, 0);
std::wstring result;
result.resize(requiredSize - 1);
MultiByteToWideChar(CP_UTF8, 0, input, -1, result.data(), requiredSize);
return result;
}