From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- toolkit/mozapps/defaultagent/UtfConvert.cpp | 55 +++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 toolkit/mozapps/defaultagent/UtfConvert.cpp (limited to 'toolkit/mozapps/defaultagent/UtfConvert.cpp') diff --git a/toolkit/mozapps/defaultagent/UtfConvert.cpp b/toolkit/mozapps/defaultagent/UtfConvert.cpp new file mode 100644 index 0000000000..cf967130ab --- /dev/null +++ b/toolkit/mozapps/defaultagent/UtfConvert.cpp @@ -0,0 +1,55 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim:set ts=2 sw=2 sts=2 et cindent: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "UtfConvert.h" + +#include + +#include "EventLog.h" + +#include "mozilla/Buffer.h" +#include "mozilla/WinHeaderOnlyUtils.h" + +Utf16ToUtf8Result Utf16ToUtf8(const wchar_t* const utf16) { + int utf8Len = + WideCharToMultiByte(CP_UTF8, 0, utf16, -1, nullptr, 0, nullptr, nullptr); + if (utf8Len == 0) { + HRESULT hr = HRESULT_FROM_WIN32(GetLastError()); + LOG_ERROR(hr); + return Utf16ToUtf8Result(mozilla::WindowsError::FromHResult(hr)); + } + + mozilla::Buffer utf8(utf8Len); + int bytesWritten = WideCharToMultiByte(CP_UTF8, 0, utf16, -1, utf8.Elements(), + utf8.Length(), nullptr, nullptr); + if (bytesWritten == 0) { + HRESULT hr = HRESULT_FROM_WIN32(GetLastError()); + LOG_ERROR(hr); + return Utf16ToUtf8Result(mozilla::WindowsError::FromHResult(hr)); + } + + return std::string(utf8.Elements()); +} + +Utf8ToUtf16Result Utf8ToUtf16(const char* const utf8) { + int utf16Len = MultiByteToWideChar(CP_UTF8, 0, utf8, -1, nullptr, 0); + if (utf16Len == 0) { + HRESULT hr = HRESULT_FROM_WIN32(GetLastError()); + LOG_ERROR(hr); + return mozilla::Err(mozilla::WindowsError::FromHResult(hr)); + } + + mozilla::Buffer utf16(utf16Len); + int charsWritten = MultiByteToWideChar(CP_UTF8, 0, utf8, -1, utf16.Elements(), + utf16.Length()); + if (charsWritten == 0) { + HRESULT hr = HRESULT_FROM_WIN32(GetLastError()); + LOG_ERROR(hr); + return mozilla::Err(mozilla::WindowsError::FromHResult(hr)); + } + + return std::wstring(utf16.Elements()); +} -- cgit v1.2.3