diff options
Diffstat (limited to 'toolkit/components/protobuf/src/google/protobuf/util/internal/json_escaping.h')
-rw-r--r-- | toolkit/components/protobuf/src/google/protobuf/util/internal/json_escaping.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/toolkit/components/protobuf/src/google/protobuf/util/internal/json_escaping.h b/toolkit/components/protobuf/src/google/protobuf/util/internal/json_escaping.h new file mode 100644 index 0000000000..7d54f22a38 --- /dev/null +++ b/toolkit/components/protobuf/src/google/protobuf/util/internal/json_escaping.h @@ -0,0 +1,98 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. All rights reserved. +// https://developers.google.com/protocol-buffers/ +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// 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. +// * Neither the name of Google Inc. nor the names of its +// 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 +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#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__ |