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#pragma clang system_header
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#pragma once
#include <cstdint>
#include <cstring>
#include <string>
#include <string_view>
#include "contrib/libs/apache/arrow_next/cpp/src/arrow/type_fwd.h"
#include "contrib/libs/apache/arrow_next/cpp/src/arrow/util/macros.h"
#include "contrib/libs/apache/arrow_next/cpp/src/arrow/util/visibility.h"
namespace arrow20 {
namespace util {
// Convert a UTF8 string to a wstring (either UTF16 or UTF32, depending
// on the wchar_t width).
ARROW_EXPORT Result<std::wstring> UTF8ToWideString(std::string_view source);
// Similarly, convert a wstring to a UTF8 string.
ARROW_EXPORT Result<std::string> WideStringToUTF8(const std::wstring& source);
// Convert UTF8 string to a UTF16 string.
ARROW_EXPORT Result<std::u16string> UTF8StringToUTF16(std::string_view source);
// Convert UTF16 string to a UTF8 string.
ARROW_EXPORT Result<std::string> UTF16StringToUTF8(std::u16string_view source);
// This function needs to be called before doing UTF8 validation.
ARROW_EXPORT void InitializeUTF8();
ARROW_EXPORT bool ValidateUTF8(const uint8_t* data, int64_t size);
ARROW_EXPORT bool ValidateUTF8(std::string_view str);
// Skip UTF8 byte order mark, if any.
ARROW_EXPORT
Result<const uint8_t*> SkipUTF8BOM(const uint8_t* data, int64_t size);
static constexpr uint32_t kMaxUnicodeCodepoint = 0x110000;
} // namespace util
} // namespace arrow20
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