| // Protocol Buffers - Google's data interchange format |
| // Copyright 2008 Google Inc. All rights reserved. |
| // https://developers.google.com/protocol-buffers/ |
| // |
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| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
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| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
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| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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| |
| #ifndef GOOGLE_PROTOBUF_UTIL_INTERNAL_JSON_ESCAPING_H__ |
| #define GOOGLE_PROTOBUF_UTIL_INTERNAL_JSON_ESCAPING_H__ |
| |
| #include <cstdint> |
| |
| #include <google/protobuf/stubs/common.h> |
| #include <google/protobuf/stubs/bytestream.h> |
| |
| namespace google { |
| namespace protobuf { |
| namespace util { |
| namespace converter { |
| |
| class JsonEscaping { |
| public: |
| // The minimum value of a unicode high-surrogate code unit in the utf-16 |
| // encoding. A high-surrogate is also known as a leading-surrogate. |
| // See http://www.unicode.org/glossary/#high_surrogate_code_unit |
| static constexpr uint16_t kMinHighSurrogate = 0xd800; |
| |
| // The maximum value of a unicide high-surrogate code unit in the utf-16 |
| // encoding. A high-surrogate is also known as a leading-surrogate. |
| // See http://www.unicode.org/glossary/#high_surrogate_code_unit |
| static constexpr uint16_t kMaxHighSurrogate = 0xdbff; |
| |
| // The minimum value of a unicode low-surrogate code unit in the utf-16 |
| // encoding. A low-surrogate is also known as a trailing-surrogate. |
| // See http://www.unicode.org/glossary/#low_surrogate_code_unit |
| static constexpr uint16_t kMinLowSurrogate = 0xdc00; |
| |
| // The maximum value of a unicode low-surrogate code unit in the utf-16 |
| // encoding. A low-surrogate is also known as a trailing surrogate. |
| // See http://www.unicode.org/glossary/#low_surrogate_code_unit |
| static constexpr uint16_t kMaxLowSurrogate = 0xdfff; |
| |
| // The minimum value of a unicode supplementary code point. |
| // See http://www.unicode.org/glossary/#supplementary_code_point |
| static constexpr uint32_t kMinSupplementaryCodePoint = 0x010000; |
| |
| // The minimum value of a unicode code point. |
| // See http://www.unicode.org/glossary/#code_point |
| static constexpr uint32_t kMinCodePoint = 0x000000; |
| |
| // The maximum value of a unicode code point. |
| // See http://www.unicode.org/glossary/#code_point |
| static constexpr uint32_t kMaxCodePoint = 0x10ffff; |
| |
| JsonEscaping() {} |
| virtual ~JsonEscaping() {} |
| |
| // Escape the given ByteSource to the given ByteSink. |
| static void Escape(strings::ByteSource* input, strings::ByteSink* output); |
| |
| // Escape the given ByteSource to the given ByteSink. |
| // This is optimized for the case where the string is all printable 7-bit |
| // ASCII and does not contain a few other characters (such as quotes). |
| static void Escape(StringPiece input, strings::ByteSink* output); |
| |
| private: |
| GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(JsonEscaping); |
| }; |
| |
| } // namespace converter |
| } // namespace util |
| } // namespace protobuf |
| } // namespace google |
| |
| #endif // GOOGLE_PROTOBUF_UTIL_INTERNAL_JSON_ESCAPING_H__ |