gecko-dev/intl/unicharutil/nsSaveAsCharset.cpp
2017-06-13 13:23:23 +03:00

62 lines
1.3 KiB
C++

/* -*- 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/. */
#include "nsSaveAsCharset.h"
using namespace mozilla;
//
// nsISupports methods
//
NS_IMPL_ISUPPORTS(nsSaveAsCharset, nsISaveAsCharset)
//
// nsSaveAsCharset
//
nsSaveAsCharset::nsSaveAsCharset()
{
}
nsSaveAsCharset::~nsSaveAsCharset()
{
}
NS_IMETHODIMP
nsSaveAsCharset::Init(const nsACString& aCharset, uint32_t aIgnored, uint32_t aAlsoIgnored)
{
mEncoding = Encoding::ForLabelNoReplacement(aCharset);
if (!mEncoding) {
return NS_ERROR_DOM_ENCODING_NOT_SUPPORTED_ERR;
}
return NS_OK;
}
NS_IMETHODIMP
nsSaveAsCharset::Convert(const nsAString& aIn, nsACString& aOut)
{
if (!mEncoding) {
return NS_ERROR_DOM_ENCODING_NOT_SUPPORTED_ERR;
}
nsresult rv;
const Encoding* ignored;
Tie(rv, ignored) = mEncoding->Encode(aIn, aOut);
if (NS_FAILED(rv)) {
return rv;
}
return NS_OK;
}
NS_IMETHODIMP
nsSaveAsCharset::GetCharset(nsACString& aCharset)
{
if (!mEncoding) {
aCharset.Truncate();
} else {
mEncoding->Name(aCharset);
}
return NS_OK;
}