forked from mirrors/gecko-dev
8b395e71b1
It's not necessary anymore. Differential Revision: https://phabricator.services.mozilla.com/D90206
98 lines
2.7 KiB
C++
98 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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//-----------------------------------------------------------------------------
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// Non-Windows
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//-----------------------------------------------------------------------------
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#ifndef XP_WIN
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# include "nsAString.h"
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# include "nsReadableUtils.h"
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# include "nsString.h"
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nsresult NS_CopyNativeToUnicode(const nsACString& aInput, nsAString& aOutput) {
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CopyUTF8toUTF16(aInput, aOutput);
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return NS_OK;
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}
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nsresult NS_CopyUnicodeToNative(const nsAString& aInput, nsACString& aOutput) {
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CopyUTF16toUTF8(aInput, aOutput);
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return NS_OK;
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}
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//-----------------------------------------------------------------------------
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// XP_WIN
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//-----------------------------------------------------------------------------
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#else
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# include <windows.h>
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# include "nsString.h"
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# include "nsAString.h"
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# include "nsReadableUtils.h"
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using namespace mozilla;
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nsresult NS_CopyNativeToUnicode(const nsACString& aInput, nsAString& aOutput) {
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uint32_t inputLen = aInput.Length();
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nsACString::const_iterator iter;
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aInput.BeginReading(iter);
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const char* buf = iter.get();
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// determine length of result
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uint32_t resultLen = 0;
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int n = ::MultiByteToWideChar(CP_ACP, 0, buf, inputLen, nullptr, 0);
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if (n > 0) {
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resultLen += n;
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}
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// allocate sufficient space
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if (!aOutput.SetLength(resultLen, fallible)) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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if (resultLen > 0) {
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char16ptr_t result = aOutput.BeginWriting();
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::MultiByteToWideChar(CP_ACP, 0, buf, inputLen, result, resultLen);
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}
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return NS_OK;
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}
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nsresult NS_CopyUnicodeToNative(const nsAString& aInput, nsACString& aOutput) {
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uint32_t inputLen = aInput.Length();
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nsAString::const_iterator iter;
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aInput.BeginReading(iter);
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char16ptr_t buf = iter.get();
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// determine length of result
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uint32_t resultLen = 0;
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int n = ::WideCharToMultiByte(CP_ACP, 0, buf, inputLen, nullptr, 0, nullptr,
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nullptr);
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if (n > 0) {
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resultLen += n;
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}
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// allocate sufficient space
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if (!aOutput.SetLength(resultLen, fallible)) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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if (resultLen > 0) {
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char* result = aOutput.BeginWriting();
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// default "defaultChar" is '?', which is an illegal character on windows
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// file system. That will cause file uncreatable. Change it to '_'
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const char defaultChar = '_';
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::WideCharToMultiByte(CP_ACP, 0, buf, inputLen, result, resultLen,
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&defaultChar, nullptr);
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}
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return NS_OK;
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}
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#endif
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