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99 lines
4.2 KiB
C++
99 lines
4.2 KiB
C++
// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef GOOGLE_PROTOBUF_UTIL_INTERNAL__JSON_ESCAPING_H__
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#define GOOGLE_PROTOBUF_UTIL_INTERNAL__JSON_ESCAPING_H__
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#include <cstdint>
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#include <thirdparty/protobuf/stubs/common.h>
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#include <thirdparty/protobuf/stubs/bytestream.h>
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namespace google {
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namespace protobuf {
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namespace util {
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namespace converter {
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class JsonEscaping {
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public:
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// The minimum value of a unicode high-surrogate code unit in the utf-16
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// encoding. A high-surrogate is also known as a leading-surrogate.
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// See http://www.unicode.org/glossary/#high_surrogate_code_unit
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static constexpr uint16_t kMinHighSurrogate = 0xd800;
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// The maximum value of a unicide high-surrogate code unit in the utf-16
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// encoding. A high-surrogate is also known as a leading-surrogate.
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// See http://www.unicode.org/glossary/#high_surrogate_code_unit
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static constexpr uint16_t kMaxHighSurrogate = 0xdbff;
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// The minimum value of a unicode low-surrogate code unit in the utf-16
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// encoding. A low-surrogate is also known as a trailing-surrogate.
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// See http://www.unicode.org/glossary/#low_surrogate_code_unit
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static constexpr uint16_t kMinLowSurrogate = 0xdc00;
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// The maximum value of a unicode low-surrogate code unit in the utf-16
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// encoding. A low-surrogate is also known as a trailing surrogate.
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// See http://www.unicode.org/glossary/#low_surrogate_code_unit
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static constexpr uint16_t kMaxLowSurrogate = 0xdfff;
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// The minimum value of a unicode supplementary code point.
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// See http://www.unicode.org/glossary/#supplementary_code_point
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static constexpr uint32_t kMinSupplementaryCodePoint = 0x010000;
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// The minimum value of a unicode code point.
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// See http://www.unicode.org/glossary/#code_point
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static constexpr uint32_t kMinCodePoint = 0x000000;
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// The maximum value of a unicode code point.
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// See http://www.unicode.org/glossary/#code_point
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static constexpr uint32_t kMaxCodePoint = 0x10ffff;
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JsonEscaping() {}
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virtual ~JsonEscaping() {}
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// Escape the given ByteSource to the given ByteSink.
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static void Escape(strings::ByteSource* input, strings::ByteSink* output);
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// Escape the given ByteSource to the given ByteSink.
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// This is optimized for the case where the string is all printable 7-bit
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// ASCII and does not contain a few other characters (such as quotes).
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static void Escape(StringPiece input, strings::ByteSink* output);
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private:
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GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(JsonEscaping);
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};
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} // namespace converter
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} // namespace util
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} // namespace protobuf
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} // namespace google
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#endif // GOOGLE_PROTOBUF_UTIL_INTERNAL__JSON_ESCAPING_H__
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