comi18n.cpp - mozsearch

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* 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 "comi18n.h"

#include "nsMsgUtils.h"

#include "nsServiceManagerUtils.h"

#include "nsComponentManagerUtils.h"

#include "nsIMimeConverter.h"

#include "mozilla/Preferences.h"

#include "mozilla/Encoding.h"

#include "mozilla/EncodingDetector.h"

using namespace mozilla;

////////////////////////////////////////////////////////////////////////////////

// BEGIN PUBLIC INTERFACE

extern "C" {

void MIME_DecodeMimeHeader(const char* header, const char* default_charset,

                           bool override_charset, bool eatContinuations,

                           nsACString& result) {

  nsresult rv;

  nsCOMPtr<nsIMimeConverter> mimeConverter =

      do_GetService("@mozilla.org/messenger/mimeconverter;1", &rv);

  if (NS_FAILED(rv)) {

    result.Truncate();

    return;

  mimeConverter->DecodeMimeHeaderToUTF8(nsDependentCString(header),

                                        default_charset, override_charset,

                                        eatContinuations, result);

nsresult MIME_detect_charset(const char* aBuf, int32_t aLength,

                             nsACString& aCharset) {

  mozilla::UniquePtr<mozilla::EncodingDetector> detector =

      mozilla::EncodingDetector::Create();

  mozilla::Span<const uint8_t> src =

      mozilla::AsBytes(mozilla::Span(aBuf, aLength));

  Unused << detector->Feed(src, true);

  auto encoding = detector->Guess(nullptr, true);

  encoding->Name(aCharset);

  return NS_OK;

} /* end of extern "C" */

// END PUBLIC INTERFACE