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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
//-----------------------------------------------------------------------------
// Non-Windows
//-----------------------------------------------------------------------------
#ifndef XP_WIN
# include "nsAString.h"
# include "nsReadableUtils.h"
# include "nsString.h"
nsresult NS_CopyNativeToUnicode(const nsACString& aInput, nsAString& aOutput) {
CopyUTF8toUTF16(aInput, aOutput);
return NS_OK;
}
nsresult NS_CopyUnicodeToNative(const nsAString& aInput, nsACString& aOutput) {
CopyUTF16toUTF8(aInput, aOutput);
return NS_OK;
}
//-----------------------------------------------------------------------------
// XP_WIN
//-----------------------------------------------------------------------------
#else
# include <windows.h>
# include "nsString.h"
# include "nsAString.h"
# include "nsReadableUtils.h"
using namespace mozilla;
nsresult NS_CopyNativeToUnicode(const nsACString& aInput, nsAString& aOutput) {
uint32_t inputLen = aInput.Length();
nsACString::const_iterator iter;
aInput.BeginReading(iter);
const char* buf = iter.get();
// determine length of result
uint32_t resultLen = 0;
int n = ::MultiByteToWideChar(CP_ACP, 0, buf, inputLen, nullptr, 0);
if (n > 0) {
resultLen += n;
}
// allocate sufficient space
if (!aOutput.SetLength(resultLen, fallible)) {
return NS_ERROR_OUT_OF_MEMORY;
}
if (resultLen > 0) {
char16ptr_t result = aOutput.BeginWriting();
::MultiByteToWideChar(CP_ACP, 0, buf, inputLen, result, resultLen);
}
return NS_OK;
}
nsresult NS_CopyUnicodeToNative(const nsAString& aInput, nsACString& aOutput) {
uint32_t inputLen = aInput.Length();
nsAString::const_iterator iter;
aInput.BeginReading(iter);
char16ptr_t buf = iter.get();
// determine length of result
uint32_t resultLen = 0;
int n = ::WideCharToMultiByte(CP_ACP, 0, buf, inputLen, nullptr, 0, nullptr,
nullptr);
if (n > 0) {
resultLen += n;
}
// allocate sufficient space
if (!aOutput.SetLength(resultLen, fallible)) {
return NS_ERROR_OUT_OF_MEMORY;
}
if (resultLen > 0) {
char* result = aOutput.BeginWriting();
// default "defaultChar" is '?', which is an illegal character on windows
// file system. That will cause file uncreatable. Change it to '_'
const char defaultChar = '_';
::WideCharToMultiByte(CP_ACP, 0, buf, inputLen, result, resultLen,
&defaultChar, nullptr);
}
return NS_OK;
}
#endif