icu_string_conversions.cc | Explore in Territory

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/i18n/icu_string_conversions.h"

#include <stddef.h>
#include <stdint.h>

#include <memory>
#include <string_view>

#include "base/check.h"
#include "base/types/fixed_array.h"
#include "base/notreached.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "third_party/icu/source/common/unicode/normalizer2.h"
#include "third_party/icu/source/common/unicode/ucnv.h"
#include "third_party/icu/source/common/unicode/ucnv_cb.h"
#include "third_party/icu/source/common/unicode/ucnv_err.h"
#include "third_party/icu/source/common/unicode/ustring.h"

namespace base {

namespace {
// ToUnicodeCallbackSubstitute() is based on UCNV_TO_U_CALLBACK_SUBSTITUTE
// in source/common/ucnv_err.c.

// Copyright (c) 1995-2006 International Business Machines Corporation
// and others
//
// All rights reserved.
//

// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, and/or
// sell copies of the Software, and to permit persons to whom the Software
// is furnished to do so, provided that the above copyright notice(s) and
// this permission notice appear in all copies of the Software and that
// both the above copyright notice(s) and this permission notice appear in
// supporting documentation.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
// OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
// INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
// OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
// OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE
// OR PERFORMANCE OF THIS SOFTWARE.
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// shall not be used in advertising or otherwise to promote the sale, use
// or other dealings in this Software without prior written authorization
// of the copyright holder.

//  ___________________________________________________________________________
//
// All trademarks and registered trademarks mentioned herein are the property
// of their respective owners.

void ToUnicodeCallbackSubstitute(const void* context,
                                 UConverterToUnicodeArgs *to_args,
                                 const char* code_units,
                                 int32_t length,
                                 UConverterCallbackReason reason,
                                 UErrorCode * err) { … }

bool ConvertFromUTF16(UConverter* converter,
                      std::u16string_view src,
                      OnStringConversionError::Type on_error,
                      std::string* encoded) { … }

// Set up our error handler for ToUTF-16 converters
void SetUpErrorHandlerForToUChars(OnStringConversionError::Type on_error,
                                  UConverter* converter, UErrorCode* status) { … }

}  // namespace

// Codepage <-> Wide/UTF-16  ---------------------------------------------------

bool UTF16ToCodepage(std::u16string_view utf16,
                     const char* codepage_name,
                     OnStringConversionError::Type on_error,
                     std::string* encoded) { … }

bool CodepageToUTF16(std::string_view encoded,
                     const char* codepage_name,
                     OnStringConversionError::Type on_error,
                     std::u16string* utf16) { … }

bool ConvertToUtf8AndNormalize(std::string_view text,
                               const std::string& charset,
                               std::string* result) { … }

}  // namespace base
chromium/base/i18n/icu_string_conversions.cc
