1// Protocol Buffers - Google's data interchange format 2// Copyright 2008 Google Inc. All rights reserved. 3// https://developers.google.com/protocol-buffers/ 4// 5// Redistribution and use in source and binary forms, with or without 6// modification, are permitted provided that the following conditions are 7// met: 8// 9// * Redistributions of source code must retain the above copyright 10// notice, this list of conditions and the following disclaimer. 11// * Redistributions in binary form must reproduce the above 12// copyright notice, this list of conditions and the following disclaimer 13// in the documentation and/or other materials provided with the 14// distribution. 15// * Neither the name of Google Inc. nor the names of its 16// contributors may be used to endorse or promote products derived from 17// this software without specific prior written permission. 18// 19// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31#ifndef NET_PROTO2_UTIL_CONVERTER_STRINGS_JSON_ESCAPING_H_ 32#define NET_PROTO2_UTIL_CONVERTER_STRINGS_JSON_ESCAPING_H_ 33 34#include <google/protobuf/stubs/common.h> 35#include <google/protobuf/stubs/bytestream.h> 36 37namespace google { 38namespace protobuf { 39namespace util { 40namespace converter { 41 42class JsonEscaping { 43 public: 44 // The minimum value of a unicode high-surrogate code unit in the utf-16 45 // encoding. A high-surrogate is also known as a leading-surrogate. 46 // See http://www.unicode.org/glossary/#high_surrogate_code_unit 47 static const uint16 kMinHighSurrogate = 0xd800; 48 49 // The maximum value of a unicide high-surrogate code unit in the utf-16 50 // encoding. A high-surrogate is also known as a leading-surrogate. 51 // See http://www.unicode.org/glossary/#high_surrogate_code_unit 52 static const uint16 kMaxHighSurrogate = 0xdbff; 53 54 // The minimum value of a unicode low-surrogate code unit in the utf-16 55 // encoding. A low-surrogate is also known as a trailing-surrogate. 56 // See http://www.unicode.org/glossary/#low_surrogate_code_unit 57 static const uint16 kMinLowSurrogate = 0xdc00; 58 59 // The maximum value of a unicode low-surrogate code unit in the utf-16 60 // encoding. A low-surrogate is also known as a trailing surrogate. 61 // See http://www.unicode.org/glossary/#low_surrogate_code_unit 62 static const uint16 kMaxLowSurrogate = 0xdfff; 63 64 // The minimum value of a unicode supplementary code point. 65 // See http://www.unicode.org/glossary/#supplementary_code_point 66 static const uint32 kMinSupplementaryCodePoint = 0x010000; 67 68 // The minimum value of a unicode code point. 69 // See http://www.unicode.org/glossary/#code_point 70 static const uint32 kMinCodePoint = 0x000000; 71 72 // The maximum value of a unicode code point. 73 // See http://www.unicode.org/glossary/#code_point 74 static const uint32 kMaxCodePoint = 0x10ffff; 75 76 JsonEscaping() {} 77 virtual ~JsonEscaping() {} 78 79 // Escape the given ByteSource to the given ByteSink. 80 static void Escape(strings::ByteSource* input, strings::ByteSink* output); 81 82 private: 83 GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(JsonEscaping); 84}; 85 86} // namespace converter 87} // namespace util 88} // namespace protobuf 89 90#endif // NET_PROTO2_UTIL_CONVERTER_STRINGS_JSON_ESCAPING_H_ 91} // namespace google 92