616 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
		
		
			
		
	
	
			616 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
|  | // Tencent is pleased to support the open source community by making RapidJSON available.
 | ||
|  | // 
 | ||
|  | // Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
 | ||
|  | //
 | ||
|  | // Licensed under the MIT License (the "License"); you may not use this file except
 | ||
|  | // in compliance with the License. You may obtain a copy of the License at
 | ||
|  | //
 | ||
|  | // http://opensource.org/licenses/MIT
 | ||
|  | //
 | ||
|  | // 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.
 | ||
|  | 
 | ||
|  | #ifndef RAPIDJSON_RAPIDJSON_H_
 | ||
|  | #define RAPIDJSON_RAPIDJSON_H_
 | ||
|  | 
 | ||
|  | /*!\file rapidjson.h
 | ||
|  |     \brief common definitions and configuration | ||
|  |      | ||
|  |     \see RAPIDJSON_CONFIG | ||
|  |  */ | ||
|  | 
 | ||
|  | /*! \defgroup RAPIDJSON_CONFIG RapidJSON configuration
 | ||
|  |     \brief Configuration macros for library features | ||
|  | 
 | ||
|  |     Some RapidJSON features are configurable to adapt the library to a wide | ||
|  |     variety of platforms, environments and usage scenarios.  Most of the | ||
|  |     features can be configured in terms of overriden or predefined | ||
|  |     preprocessor macros at compile-time. | ||
|  | 
 | ||
|  |     Some additional customization is available in the \ref RAPIDJSON_ERRORS APIs. | ||
|  | 
 | ||
|  |     \note These macros should be given on the compiler command-line | ||
|  |           (where applicable)  to avoid inconsistent values when compiling | ||
|  |           different translation units of a single application. | ||
|  |  */ | ||
|  | 
 | ||
|  | #include <cstdlib>  // malloc(), realloc(), free(), size_t
 | ||
|  | #include <cstring>  // memset(), memcpy(), memmove(), memcmp()
 | ||
|  | 
 | ||
|  | ///////////////////////////////////////////////////////////////////////////////
 | ||
|  | // RAPIDJSON_VERSION_STRING
 | ||
|  | //
 | ||
|  | // ALWAYS synchronize the following 3 macros with corresponding variables in /CMakeLists.txt.
 | ||
|  | //
 | ||
|  | 
 | ||
|  | //!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
 | ||
|  | // token stringification
 | ||
|  | #define RAPIDJSON_STRINGIFY(x) RAPIDJSON_DO_STRINGIFY(x)
 | ||
|  | #define RAPIDJSON_DO_STRINGIFY(x) #x
 | ||
|  | //!@endcond
 | ||
|  | 
 | ||
|  | /*! \def RAPIDJSON_MAJOR_VERSION
 | ||
|  |     \ingroup RAPIDJSON_CONFIG | ||
|  |     \brief Major version of RapidJSON in integer. | ||
|  | */ | ||
|  | /*! \def RAPIDJSON_MINOR_VERSION
 | ||
|  |     \ingroup RAPIDJSON_CONFIG | ||
|  |     \brief Minor version of RapidJSON in integer. | ||
|  | */ | ||
|  | /*! \def RAPIDJSON_PATCH_VERSION
 | ||
|  |     \ingroup RAPIDJSON_CONFIG | ||
|  |     \brief Patch version of RapidJSON in integer. | ||
|  | */ | ||
|  | /*! \def RAPIDJSON_VERSION_STRING
 | ||
|  |     \ingroup RAPIDJSON_CONFIG | ||
|  |     \brief Version of RapidJSON in "<major>.<minor>.<patch>" string format. | ||
|  | */ | ||
|  | #define RAPIDJSON_MAJOR_VERSION 1
 | ||
|  | #define RAPIDJSON_MINOR_VERSION 1
 | ||
|  | #define RAPIDJSON_PATCH_VERSION 0
 | ||
|  | #define RAPIDJSON_VERSION_STRING \
 | ||
|  |     RAPIDJSON_STRINGIFY(RAPIDJSON_MAJOR_VERSION.RAPIDJSON_MINOR_VERSION.RAPIDJSON_PATCH_VERSION) | ||
|  | 
 | ||
|  | ///////////////////////////////////////////////////////////////////////////////
 | ||
|  | // RAPIDJSON_NAMESPACE_(BEGIN|END)
 | ||
|  | /*! \def RAPIDJSON_NAMESPACE
 | ||
|  |     \ingroup RAPIDJSON_CONFIG | ||
|  |     \brief   provide custom rapidjson namespace | ||
|  | 
 | ||
|  |     In order to avoid symbol clashes and/or "One Definition Rule" errors | ||
|  |     between multiple inclusions of (different versions of) RapidJSON in | ||
|  |     a single binary, users can customize the name of the main RapidJSON | ||
|  |     namespace. | ||
|  | 
 | ||
|  |     In case of a single nesting level, defining \c RAPIDJSON_NAMESPACE | ||
|  |     to a custom name (e.g. \c MyRapidJSON) is sufficient.  If multiple | ||
|  |     levels are needed, both \ref RAPIDJSON_NAMESPACE_BEGIN and \ref | ||
|  |     RAPIDJSON_NAMESPACE_END need to be defined as well: | ||
|  | 
 | ||
|  |     \code | ||
|  |     // in some .cpp file
 | ||
|  |     #define RAPIDJSON_NAMESPACE my::rapidjson
 | ||
|  |     #define RAPIDJSON_NAMESPACE_BEGIN namespace my { namespace rapidjson {
 | ||
|  |     #define RAPIDJSON_NAMESPACE_END   } }
 | ||
|  |     #include "rapidjson/..."
 | ||
|  |     \endcode | ||
|  | 
 | ||
|  |     \see rapidjson | ||
|  |  */ | ||
|  | /*! \def RAPIDJSON_NAMESPACE_BEGIN
 | ||
|  |     \ingroup RAPIDJSON_CONFIG | ||
|  |     \brief   provide custom rapidjson namespace (opening expression) | ||
|  |     \see RAPIDJSON_NAMESPACE | ||
|  | */ | ||
|  | /*! \def RAPIDJSON_NAMESPACE_END
 | ||
|  |     \ingroup RAPIDJSON_CONFIG | ||
|  |     \brief   provide custom rapidjson namespace (closing expression) | ||
|  |     \see RAPIDJSON_NAMESPACE | ||
|  | */ | ||
|  | #ifndef RAPIDJSON_NAMESPACE
 | ||
|  | #define RAPIDJSON_NAMESPACE rapidjson
 | ||
|  | #endif
 | ||
|  | #ifndef RAPIDJSON_NAMESPACE_BEGIN
 | ||
|  | #define RAPIDJSON_NAMESPACE_BEGIN namespace RAPIDJSON_NAMESPACE {
 | ||
|  | #endif
 | ||
|  | #ifndef RAPIDJSON_NAMESPACE_END
 | ||
|  | #define RAPIDJSON_NAMESPACE_END }
 | ||
|  | #endif
 | ||
|  | 
 | ||
|  | ///////////////////////////////////////////////////////////////////////////////
 | ||
|  | // RAPIDJSON_HAS_STDSTRING
 | ||
|  | 
 | ||
|  | #ifndef RAPIDJSON_HAS_STDSTRING
 | ||
|  | #ifdef RAPIDJSON_DOXYGEN_RUNNING
 | ||
|  | #define RAPIDJSON_HAS_STDSTRING 1 // force generation of documentation
 | ||
|  | #else
 | ||
|  | #define RAPIDJSON_HAS_STDSTRING 0 // no std::string support by default
 | ||
|  | #endif
 | ||
|  | /*! \def RAPIDJSON_HAS_STDSTRING
 | ||
|  |     \ingroup RAPIDJSON_CONFIG | ||
|  |     \brief Enable RapidJSON support for \c std::string | ||
|  | 
 | ||
|  |     By defining this preprocessor symbol to \c 1, several convenience functions for using | ||
|  |     \ref rapidjson::GenericValue with \c std::string are enabled, especially | ||
|  |     for construction and comparison. | ||
|  | 
 | ||
|  |     \hideinitializer | ||
|  | */ | ||
|  | #endif // !defined(RAPIDJSON_HAS_STDSTRING)
 | ||
|  | 
 | ||
|  | #if RAPIDJSON_HAS_STDSTRING
 | ||
|  | #include <string>
 | ||
|  | #endif // RAPIDJSON_HAS_STDSTRING
 | ||
|  | 
 | ||
|  | ///////////////////////////////////////////////////////////////////////////////
 | ||
|  | // RAPIDJSON_NO_INT64DEFINE
 | ||
|  | 
 | ||
|  | /*! \def RAPIDJSON_NO_INT64DEFINE
 | ||
|  |     \ingroup RAPIDJSON_CONFIG | ||
|  |     \brief Use external 64-bit integer types. | ||
|  | 
 | ||
|  |     RapidJSON requires the 64-bit integer types \c int64_t and  \c uint64_t types | ||
|  |     to be available at global scope. | ||
|  | 
 | ||
|  |     If users have their own definition, define RAPIDJSON_NO_INT64DEFINE to | ||
|  |     prevent RapidJSON from defining its own types. | ||
|  | */ | ||
|  | #ifndef RAPIDJSON_NO_INT64DEFINE
 | ||
|  | //!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
 | ||
|  | #if defined(_MSC_VER) && (_MSC_VER < 1800)	// Visual Studio 2013
 | ||
|  | #include "msinttypes/stdint.h"
 | ||
|  | #include "msinttypes/inttypes.h"
 | ||
|  | #else
 | ||
|  | // Other compilers should have this.
 | ||
|  | #include <stdint.h>
 | ||
|  | #include <inttypes.h>
 | ||
|  | #endif
 | ||
|  | //!@endcond
 | ||
|  | #ifdef RAPIDJSON_DOXYGEN_RUNNING
 | ||
|  | #define RAPIDJSON_NO_INT64DEFINE
 | ||
|  | #endif
 | ||
|  | #endif // RAPIDJSON_NO_INT64TYPEDEF
 | ||
|  | 
 | ||
|  | ///////////////////////////////////////////////////////////////////////////////
 | ||
|  | // RAPIDJSON_FORCEINLINE
 | ||
|  | 
 | ||
|  | #ifndef RAPIDJSON_FORCEINLINE
 | ||
|  | //!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
 | ||
|  | #if defined(_MSC_VER) && defined(NDEBUG)
 | ||
|  | #define RAPIDJSON_FORCEINLINE __forceinline
 | ||
|  | #elif defined(__GNUC__) && __GNUC__ >= 4 && defined(NDEBUG)
 | ||
|  | #define RAPIDJSON_FORCEINLINE __attribute__((always_inline))
 | ||
|  | #else
 | ||
|  | #define RAPIDJSON_FORCEINLINE
 | ||
|  | #endif
 | ||
|  | //!@endcond
 | ||
|  | #endif // RAPIDJSON_FORCEINLINE
 | ||
|  | 
 | ||
|  | ///////////////////////////////////////////////////////////////////////////////
 | ||
|  | // RAPIDJSON_ENDIAN
 | ||
|  | #define RAPIDJSON_LITTLEENDIAN  0   //!< Little endian machine
 | ||
|  | #define RAPIDJSON_BIGENDIAN     1   //!< Big endian machine
 | ||
|  | 
 | ||
|  | //! Endianness of the machine.
 | ||
|  | /*!
 | ||
|  |     \def RAPIDJSON_ENDIAN | ||
|  |     \ingroup RAPIDJSON_CONFIG | ||
|  | 
 | ||
|  |     GCC 4.6 provided macro for detecting endianness of the target machine. But other | ||
|  |     compilers may not have this. User can define RAPIDJSON_ENDIAN to either | ||
|  |     \ref RAPIDJSON_LITTLEENDIAN or \ref RAPIDJSON_BIGENDIAN. | ||
|  | 
 | ||
|  |     Default detection implemented with reference to | ||
|  |     \li https://gcc.gnu.org/onlinedocs/gcc-4.6.0/cpp/Common-Predefined-Macros.html
 | ||
|  |     \li http://www.boost.org/doc/libs/1_42_0/boost/detail/endian.hpp
 | ||
|  | */ | ||
|  | #ifndef RAPIDJSON_ENDIAN
 | ||
|  | // Detect with GCC 4.6's macro
 | ||
|  | #  ifdef __BYTE_ORDER__
 | ||
|  | #    if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
 | ||
|  | #      define RAPIDJSON_ENDIAN RAPIDJSON_LITTLEENDIAN
 | ||
|  | #    elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
 | ||
|  | #      define RAPIDJSON_ENDIAN RAPIDJSON_BIGENDIAN
 | ||
|  | #    else
 | ||
|  | #      error Unknown machine endianess detected. User needs to define RAPIDJSON_ENDIAN.
 | ||
|  | #    endif // __BYTE_ORDER__
 | ||
|  | // Detect with GLIBC's endian.h
 | ||
|  | #  elif defined(__GLIBC__)
 | ||
|  | #    include <endian.h>
 | ||
|  | #    if (__BYTE_ORDER == __LITTLE_ENDIAN)
 | ||
|  | #      define RAPIDJSON_ENDIAN RAPIDJSON_LITTLEENDIAN
 | ||
|  | #    elif (__BYTE_ORDER == __BIG_ENDIAN)
 | ||
|  | #      define RAPIDJSON_ENDIAN RAPIDJSON_BIGENDIAN
 | ||
|  | #    else
 | ||
|  | #      error Unknown machine endianess detected. User needs to define RAPIDJSON_ENDIAN.
 | ||
|  | #   endif // __GLIBC__
 | ||
|  | // Detect with _LITTLE_ENDIAN and _BIG_ENDIAN macro
 | ||
|  | #  elif defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
 | ||
|  | #    define RAPIDJSON_ENDIAN RAPIDJSON_LITTLEENDIAN
 | ||
|  | #  elif defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN)
 | ||
|  | #    define RAPIDJSON_ENDIAN RAPIDJSON_BIGENDIAN
 | ||
|  | // Detect with architecture macros
 | ||
|  | #  elif defined(__sparc) || defined(__sparc__) || defined(_POWER) || defined(__powerpc__) || defined(__ppc__) || defined(__hpux) || defined(__hppa) || defined(_MIPSEB) || defined(_POWER) || defined(__s390__)
 | ||
|  | #    define RAPIDJSON_ENDIAN RAPIDJSON_BIGENDIAN
 | ||
|  | #  elif defined(__i386__) || defined(__alpha__) || defined(__ia64) || defined(__ia64__) || defined(_M_IX86) || defined(_M_IA64) || defined(_M_ALPHA) || defined(__amd64) || defined(__amd64__) || defined(_M_AMD64) || defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) || defined(__bfin__)
 | ||
|  | #    define RAPIDJSON_ENDIAN RAPIDJSON_LITTLEENDIAN
 | ||
|  | #  elif defined(_MSC_VER) && defined(_M_ARM)
 | ||
|  | #    define RAPIDJSON_ENDIAN RAPIDJSON_LITTLEENDIAN
 | ||
|  | #  elif defined(RAPIDJSON_DOXYGEN_RUNNING)
 | ||
|  | #    define RAPIDJSON_ENDIAN
 | ||
|  | #  else
 | ||
|  | #    error Unknown machine endianess detected. User needs to define RAPIDJSON_ENDIAN.   
 | ||
|  | #  endif
 | ||
|  | #endif // RAPIDJSON_ENDIAN
 | ||
|  | 
 | ||
|  | ///////////////////////////////////////////////////////////////////////////////
 | ||
|  | // RAPIDJSON_64BIT
 | ||
|  | 
 | ||
|  | //! Whether using 64-bit architecture
 | ||
|  | #ifndef RAPIDJSON_64BIT
 | ||
|  | #if defined(__LP64__) || (defined(__x86_64__) && defined(__ILP32__)) || defined(_WIN64) || defined(__EMSCRIPTEN__)
 | ||
|  | #define RAPIDJSON_64BIT 1
 | ||
|  | #else
 | ||
|  | #define RAPIDJSON_64BIT 0
 | ||
|  | #endif
 | ||
|  | #endif // RAPIDJSON_64BIT
 | ||
|  | 
 | ||
|  | ///////////////////////////////////////////////////////////////////////////////
 | ||
|  | // RAPIDJSON_ALIGN
 | ||
|  | 
 | ||
|  | //! Data alignment of the machine.
 | ||
|  | /*! \ingroup RAPIDJSON_CONFIG
 | ||
|  |     \param x pointer to align | ||
|  | 
 | ||
|  |     Some machines require strict data alignment. Currently the default uses 4 bytes | ||
|  |     alignment on 32-bit platforms and 8 bytes alignment for 64-bit platforms. | ||
|  |     User can customize by defining the RAPIDJSON_ALIGN function macro. | ||
|  | */ | ||
|  | #ifndef RAPIDJSON_ALIGN
 | ||
|  | #if RAPIDJSON_64BIT == 1
 | ||
|  | #define RAPIDJSON_ALIGN(x) (((x) + static_cast<uint64_t>(7u)) & ~static_cast<uint64_t>(7u))
 | ||
|  | #else
 | ||
|  | #define RAPIDJSON_ALIGN(x) (((x) + 3u) & ~3u)
 | ||
|  | #endif
 | ||
|  | #endif
 | ||
|  | 
 | ||
|  | ///////////////////////////////////////////////////////////////////////////////
 | ||
|  | // RAPIDJSON_UINT64_C2
 | ||
|  | 
 | ||
|  | //! Construct a 64-bit literal by a pair of 32-bit integer.
 | ||
|  | /*!
 | ||
|  |     64-bit literal with or without ULL suffix is prone to compiler warnings. | ||
|  |     UINT64_C() is C macro which cause compilation problems. | ||
|  |     Use this macro to define 64-bit constants by a pair of 32-bit integer. | ||
|  | */ | ||
|  | #ifndef RAPIDJSON_UINT64_C2
 | ||
|  | #define RAPIDJSON_UINT64_C2(high32, low32) ((static_cast<uint64_t>(high32) << 32) | static_cast<uint64_t>(low32))
 | ||
|  | #endif
 | ||
|  | 
 | ||
|  | ///////////////////////////////////////////////////////////////////////////////
 | ||
|  | // RAPIDJSON_48BITPOINTER_OPTIMIZATION
 | ||
|  | 
 | ||
|  | //! Use only lower 48-bit address for some pointers.
 | ||
|  | /*!
 | ||
|  |     \ingroup RAPIDJSON_CONFIG | ||
|  | 
 | ||
|  |     This optimization uses the fact that current X86-64 architecture only implement lower 48-bit virtual address. | ||
|  |     The higher 16-bit can be used for storing other data. | ||
|  |     \c GenericValue uses this optimization to reduce its size form 24 bytes to 16 bytes in 64-bit architecture. | ||
|  | */ | ||
|  | #ifndef RAPIDJSON_48BITPOINTER_OPTIMIZATION
 | ||
|  | #if defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64)
 | ||
|  | #define RAPIDJSON_48BITPOINTER_OPTIMIZATION 1
 | ||
|  | #else
 | ||
|  | #define RAPIDJSON_48BITPOINTER_OPTIMIZATION 0
 | ||
|  | #endif
 | ||
|  | #endif // RAPIDJSON_48BITPOINTER_OPTIMIZATION
 | ||
|  | 
 | ||
|  | #if RAPIDJSON_48BITPOINTER_OPTIMIZATION == 1
 | ||
|  | #if RAPIDJSON_64BIT != 1
 | ||
|  | #error RAPIDJSON_48BITPOINTER_OPTIMIZATION can only be set to 1 when RAPIDJSON_64BIT=1
 | ||
|  | #endif
 | ||
|  | #define RAPIDJSON_SETPOINTER(type, p, x) (p = reinterpret_cast<type *>((reinterpret_cast<uintptr_t>(p) & static_cast<uintptr_t>(RAPIDJSON_UINT64_C2(0xFFFF0000, 0x00000000))) | reinterpret_cast<uintptr_t>(reinterpret_cast<const void*>(x))))
 | ||
|  | #define RAPIDJSON_GETPOINTER(type, p) (reinterpret_cast<type *>(reinterpret_cast<uintptr_t>(p) & static_cast<uintptr_t>(RAPIDJSON_UINT64_C2(0x0000FFFF, 0xFFFFFFFF))))
 | ||
|  | #else
 | ||
|  | #define RAPIDJSON_SETPOINTER(type, p, x) (p = (x))
 | ||
|  | #define RAPIDJSON_GETPOINTER(type, p) (p)
 | ||
|  | #endif
 | ||
|  | 
 | ||
|  | ///////////////////////////////////////////////////////////////////////////////
 | ||
|  | // RAPIDJSON_SSE2/RAPIDJSON_SSE42/RAPIDJSON_SIMD
 | ||
|  | 
 | ||
|  | /*! \def RAPIDJSON_SIMD
 | ||
|  |     \ingroup RAPIDJSON_CONFIG | ||
|  |     \brief Enable SSE2/SSE4.2 optimization. | ||
|  | 
 | ||
|  |     RapidJSON supports optimized implementations for some parsing operations | ||
|  |     based on the SSE2 or SSE4.2 SIMD extensions on modern Intel-compatible | ||
|  |     processors. | ||
|  | 
 | ||
|  |     To enable these optimizations, two different symbols can be defined; | ||
|  |     \code | ||
|  |     // Enable SSE2 optimization.
 | ||
|  |     #define RAPIDJSON_SSE2
 | ||
|  | 
 | ||
|  |     // Enable SSE4.2 optimization.
 | ||
|  |     #define RAPIDJSON_SSE42
 | ||
|  |     \endcode | ||
|  | 
 | ||
|  |     \c RAPIDJSON_SSE42 takes precedence, if both are defined. | ||
|  | 
 | ||
|  |     If any of these symbols is defined, RapidJSON defines the macro | ||
|  |     \c RAPIDJSON_SIMD to indicate the availability of the optimized code. | ||
|  | */ | ||
|  | #if defined(RAPIDJSON_SSE2) || defined(RAPIDJSON_SSE42) \
 | ||
|  |     || defined(RAPIDJSON_DOXYGEN_RUNNING) | ||
|  | #define RAPIDJSON_SIMD
 | ||
|  | #endif
 | ||
|  | 
 | ||
|  | ///////////////////////////////////////////////////////////////////////////////
 | ||
|  | // RAPIDJSON_NO_SIZETYPEDEFINE
 | ||
|  | 
 | ||
|  | #ifndef RAPIDJSON_NO_SIZETYPEDEFINE
 | ||
|  | /*! \def RAPIDJSON_NO_SIZETYPEDEFINE
 | ||
|  |     \ingroup RAPIDJSON_CONFIG | ||
|  |     \brief User-provided \c SizeType definition. | ||
|  | 
 | ||
|  |     In order to avoid using 32-bit size types for indexing strings and arrays, | ||
|  |     define this preprocessor symbol and provide the type rapidjson::SizeType | ||
|  |     before including RapidJSON: | ||
|  |     \code | ||
|  |     #define RAPIDJSON_NO_SIZETYPEDEFINE
 | ||
|  |     namespace rapidjson { typedef ::std::size_t SizeType; } | ||
|  |     #include "rapidjson/..."
 | ||
|  |     \endcode | ||
|  | 
 | ||
|  |     \see rapidjson::SizeType | ||
|  | */ | ||
|  | #ifdef RAPIDJSON_DOXYGEN_RUNNING
 | ||
|  | #define RAPIDJSON_NO_SIZETYPEDEFINE
 | ||
|  | #endif
 | ||
|  | RAPIDJSON_NAMESPACE_BEGIN | ||
|  | //! Size type (for string lengths, array sizes, etc.)
 | ||
|  | /*! RapidJSON uses 32-bit array/string indices even on 64-bit platforms,
 | ||
|  |     instead of using \c size_t. Users may override the SizeType by defining | ||
|  |     \ref RAPIDJSON_NO_SIZETYPEDEFINE. | ||
|  | */ | ||
|  | typedef unsigned SizeType; | ||
|  | RAPIDJSON_NAMESPACE_END | ||
|  | #endif
 | ||
|  | 
 | ||
|  | // always import std::size_t to rapidjson namespace
 | ||
|  | RAPIDJSON_NAMESPACE_BEGIN | ||
|  | using std::size_t; | ||
|  | RAPIDJSON_NAMESPACE_END | ||
|  | 
 | ||
|  | ///////////////////////////////////////////////////////////////////////////////
 | ||
|  | // RAPIDJSON_ASSERT
 | ||
|  | 
 | ||
|  | //! Assertion.
 | ||
|  | /*! \ingroup RAPIDJSON_CONFIG
 | ||
|  |     By default, rapidjson uses C \c assert() for internal assertions. | ||
|  |     User can override it by defining RAPIDJSON_ASSERT(x) macro. | ||
|  | 
 | ||
|  |     \note Parsing errors are handled and can be customized by the | ||
|  |           \ref RAPIDJSON_ERRORS APIs. | ||
|  | */ | ||
|  | #ifndef RAPIDJSON_ASSERT
 | ||
|  | #include <cassert>
 | ||
|  | #define RAPIDJSON_ASSERT(x) assert(x)
 | ||
|  | #endif // RAPIDJSON_ASSERT
 | ||
|  | 
 | ||
|  | ///////////////////////////////////////////////////////////////////////////////
 | ||
|  | // RAPIDJSON_STATIC_ASSERT
 | ||
|  | 
 | ||
|  | // Adopt from boost
 | ||
|  | #ifndef RAPIDJSON_STATIC_ASSERT
 | ||
|  | #ifndef __clang__
 | ||
|  | //!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
 | ||
|  | #endif
 | ||
|  | RAPIDJSON_NAMESPACE_BEGIN | ||
|  | template <bool x> struct STATIC_ASSERTION_FAILURE; | ||
|  | template <> struct STATIC_ASSERTION_FAILURE<true> { enum { value = 1 }; }; | ||
|  | template<int x> struct StaticAssertTest {}; | ||
|  | RAPIDJSON_NAMESPACE_END | ||
|  | 
 | ||
|  | #define RAPIDJSON_JOIN(X, Y) RAPIDJSON_DO_JOIN(X, Y)
 | ||
|  | #define RAPIDJSON_DO_JOIN(X, Y) RAPIDJSON_DO_JOIN2(X, Y)
 | ||
|  | #define RAPIDJSON_DO_JOIN2(X, Y) X##Y
 | ||
|  | 
 | ||
|  | #if defined(__GNUC__)
 | ||
|  | #define RAPIDJSON_STATIC_ASSERT_UNUSED_ATTRIBUTE __attribute__((unused))
 | ||
|  | #else
 | ||
|  | #define RAPIDJSON_STATIC_ASSERT_UNUSED_ATTRIBUTE 
 | ||
|  | #endif
 | ||
|  | #ifndef __clang__
 | ||
|  | //!@endcond
 | ||
|  | #endif
 | ||
|  | 
 | ||
|  | /*! \def RAPIDJSON_STATIC_ASSERT
 | ||
|  |     \brief (Internal) macro to check for conditions at compile-time | ||
|  |     \param x compile-time condition | ||
|  |     \hideinitializer | ||
|  |  */ | ||
|  | #define RAPIDJSON_STATIC_ASSERT(x) \
 | ||
|  |     typedef ::RAPIDJSON_NAMESPACE::StaticAssertTest< \ | ||
|  |       sizeof(::RAPIDJSON_NAMESPACE::STATIC_ASSERTION_FAILURE<bool(x) >)> \ | ||
|  |     RAPIDJSON_JOIN(StaticAssertTypedef, __LINE__) RAPIDJSON_STATIC_ASSERT_UNUSED_ATTRIBUTE | ||
|  | #endif
 | ||
|  | 
 | ||
|  | ///////////////////////////////////////////////////////////////////////////////
 | ||
|  | // RAPIDJSON_LIKELY, RAPIDJSON_UNLIKELY
 | ||
|  | 
 | ||
|  | //! Compiler branching hint for expression with high probability to be true.
 | ||
|  | /*!
 | ||
|  |     \ingroup RAPIDJSON_CONFIG | ||
|  |     \param x Boolean expression likely to be true. | ||
|  | */ | ||
|  | #ifndef RAPIDJSON_LIKELY
 | ||
|  | #if defined(__GNUC__) || defined(__clang__)
 | ||
|  | #define RAPIDJSON_LIKELY(x) __builtin_expect(!!(x), 1)
 | ||
|  | #else
 | ||
|  | #define RAPIDJSON_LIKELY(x) (x)
 | ||
|  | #endif
 | ||
|  | #endif
 | ||
|  | 
 | ||
|  | //! Compiler branching hint for expression with low probability to be true.
 | ||
|  | /*!
 | ||
|  |     \ingroup RAPIDJSON_CONFIG | ||
|  |     \param x Boolean expression unlikely to be true. | ||
|  | */ | ||
|  | #ifndef RAPIDJSON_UNLIKELY
 | ||
|  | #if defined(__GNUC__) || defined(__clang__)
 | ||
|  | #define RAPIDJSON_UNLIKELY(x) __builtin_expect(!!(x), 0)
 | ||
|  | #else
 | ||
|  | #define RAPIDJSON_UNLIKELY(x) (x)
 | ||
|  | #endif
 | ||
|  | #endif
 | ||
|  | 
 | ||
|  | ///////////////////////////////////////////////////////////////////////////////
 | ||
|  | // Helpers
 | ||
|  | 
 | ||
|  | //!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
 | ||
|  | 
 | ||
|  | #define RAPIDJSON_MULTILINEMACRO_BEGIN do {  
 | ||
|  | #define RAPIDJSON_MULTILINEMACRO_END \
 | ||
|  | } while((void)0, 0) | ||
|  | 
 | ||
|  | // adopted from Boost
 | ||
|  | #define RAPIDJSON_VERSION_CODE(x,y,z) \
 | ||
|  |   (((x)*100000) + ((y)*100) + (z)) | ||
|  | 
 | ||
|  | ///////////////////////////////////////////////////////////////////////////////
 | ||
|  | // RAPIDJSON_DIAG_PUSH/POP, RAPIDJSON_DIAG_OFF
 | ||
|  | 
 | ||
|  | #if defined(__GNUC__)
 | ||
|  | #define RAPIDJSON_GNUC \
 | ||
|  |     RAPIDJSON_VERSION_CODE(__GNUC__,__GNUC_MINOR__,__GNUC_PATCHLEVEL__) | ||
|  | #endif
 | ||
|  | 
 | ||
|  | #if defined(__clang__) || (defined(RAPIDJSON_GNUC) && RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,2,0))
 | ||
|  | 
 | ||
|  | #define RAPIDJSON_PRAGMA(x) _Pragma(RAPIDJSON_STRINGIFY(x))
 | ||
|  | #define RAPIDJSON_DIAG_PRAGMA(x) RAPIDJSON_PRAGMA(GCC diagnostic x)
 | ||
|  | #define RAPIDJSON_DIAG_OFF(x) \
 | ||
|  |     RAPIDJSON_DIAG_PRAGMA(ignored RAPIDJSON_STRINGIFY(RAPIDJSON_JOIN(-W,x))) | ||
|  | 
 | ||
|  | // push/pop support in Clang and GCC>=4.6
 | ||
|  | #if defined(__clang__) || (defined(RAPIDJSON_GNUC) && RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,6,0))
 | ||
|  | #define RAPIDJSON_DIAG_PUSH RAPIDJSON_DIAG_PRAGMA(push)
 | ||
|  | #define RAPIDJSON_DIAG_POP  RAPIDJSON_DIAG_PRAGMA(pop)
 | ||
|  | #else // GCC >= 4.2, < 4.6
 | ||
|  | #define RAPIDJSON_DIAG_PUSH /* ignored */
 | ||
|  | #define RAPIDJSON_DIAG_POP /* ignored */
 | ||
|  | #endif
 | ||
|  | 
 | ||
|  | #elif defined(_MSC_VER)
 | ||
|  | 
 | ||
|  | // pragma (MSVC specific)
 | ||
|  | #define RAPIDJSON_PRAGMA(x) __pragma(x)
 | ||
|  | #define RAPIDJSON_DIAG_PRAGMA(x) RAPIDJSON_PRAGMA(warning(x))
 | ||
|  | 
 | ||
|  | #define RAPIDJSON_DIAG_OFF(x) RAPIDJSON_DIAG_PRAGMA(disable: x)
 | ||
|  | #define RAPIDJSON_DIAG_PUSH RAPIDJSON_DIAG_PRAGMA(push)
 | ||
|  | #define RAPIDJSON_DIAG_POP  RAPIDJSON_DIAG_PRAGMA(pop)
 | ||
|  | 
 | ||
|  | #else
 | ||
|  | 
 | ||
|  | #define RAPIDJSON_DIAG_OFF(x) /* ignored */
 | ||
|  | #define RAPIDJSON_DIAG_PUSH   /* ignored */
 | ||
|  | #define RAPIDJSON_DIAG_POP    /* ignored */
 | ||
|  | 
 | ||
|  | #endif // RAPIDJSON_DIAG_*
 | ||
|  | 
 | ||
|  | ///////////////////////////////////////////////////////////////////////////////
 | ||
|  | // C++11 features
 | ||
|  | 
 | ||
|  | #ifndef RAPIDJSON_HAS_CXX11_RVALUE_REFS
 | ||
|  | #if defined(__clang__)
 | ||
|  | #if __has_feature(cxx_rvalue_references) && \
 | ||
|  |     (defined(_LIBCPP_VERSION) || defined(__GLIBCXX__) && __GLIBCXX__ >= 20080306) | ||
|  | #define RAPIDJSON_HAS_CXX11_RVALUE_REFS 1
 | ||
|  | #else
 | ||
|  | #define RAPIDJSON_HAS_CXX11_RVALUE_REFS 0
 | ||
|  | #endif
 | ||
|  | #elif (defined(RAPIDJSON_GNUC) && (RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,3,0)) && defined(__GXX_EXPERIMENTAL_CXX0X__)) || \
 | ||
|  |       (defined(_MSC_VER) && _MSC_VER >= 1600) | ||
|  | 
 | ||
|  | #define RAPIDJSON_HAS_CXX11_RVALUE_REFS 1
 | ||
|  | #else
 | ||
|  | #define RAPIDJSON_HAS_CXX11_RVALUE_REFS 0
 | ||
|  | #endif
 | ||
|  | #endif // RAPIDJSON_HAS_CXX11_RVALUE_REFS
 | ||
|  | 
 | ||
|  | #ifndef RAPIDJSON_HAS_CXX11_NOEXCEPT
 | ||
|  | #if defined(__clang__)
 | ||
|  | #define RAPIDJSON_HAS_CXX11_NOEXCEPT __has_feature(cxx_noexcept)
 | ||
|  | #elif (defined(RAPIDJSON_GNUC) && (RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,6,0)) && defined(__GXX_EXPERIMENTAL_CXX0X__))
 | ||
|  | //    (defined(_MSC_VER) && _MSC_VER >= ????) // not yet supported
 | ||
|  | #define RAPIDJSON_HAS_CXX11_NOEXCEPT 1
 | ||
|  | #else
 | ||
|  | #define RAPIDJSON_HAS_CXX11_NOEXCEPT 0
 | ||
|  | #endif
 | ||
|  | #endif
 | ||
|  | #if RAPIDJSON_HAS_CXX11_NOEXCEPT
 | ||
|  | #define RAPIDJSON_NOEXCEPT noexcept
 | ||
|  | #else
 | ||
|  | #define RAPIDJSON_NOEXCEPT /* noexcept */
 | ||
|  | #endif // RAPIDJSON_HAS_CXX11_NOEXCEPT
 | ||
|  | 
 | ||
|  | // no automatic detection, yet
 | ||
|  | #ifndef RAPIDJSON_HAS_CXX11_TYPETRAITS
 | ||
|  | #define RAPIDJSON_HAS_CXX11_TYPETRAITS 0
 | ||
|  | #endif
 | ||
|  | 
 | ||
|  | #ifndef RAPIDJSON_HAS_CXX11_RANGE_FOR
 | ||
|  | #if defined(__clang__)
 | ||
|  | #define RAPIDJSON_HAS_CXX11_RANGE_FOR __has_feature(cxx_range_for)
 | ||
|  | #elif (defined(RAPIDJSON_GNUC) && (RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,3,0)) && defined(__GXX_EXPERIMENTAL_CXX0X__)) || \
 | ||
|  |       (defined(_MSC_VER) && _MSC_VER >= 1700) | ||
|  | #define RAPIDJSON_HAS_CXX11_RANGE_FOR 1
 | ||
|  | #else
 | ||
|  | #define RAPIDJSON_HAS_CXX11_RANGE_FOR 0
 | ||
|  | #endif
 | ||
|  | #endif // RAPIDJSON_HAS_CXX11_RANGE_FOR
 | ||
|  | 
 | ||
|  | //!@endcond
 | ||
|  | 
 | ||
|  | ///////////////////////////////////////////////////////////////////////////////
 | ||
|  | // new/delete
 | ||
|  | 
 | ||
|  | #ifndef RAPIDJSON_NEW
 | ||
|  | ///! customization point for global \c new
 | ||
|  | #define RAPIDJSON_NEW(x) new x
 | ||
|  | #endif
 | ||
|  | #ifndef RAPIDJSON_DELETE
 | ||
|  | ///! customization point for global \c delete
 | ||
|  | #define RAPIDJSON_DELETE(x) delete x
 | ||
|  | #endif
 | ||
|  | 
 | ||
|  | ///////////////////////////////////////////////////////////////////////////////
 | ||
|  | // Type
 | ||
|  | 
 | ||
|  | /*! \namespace rapidjson
 | ||
|  |     \brief main RapidJSON namespace | ||
|  |     \see RAPIDJSON_NAMESPACE | ||
|  | */ | ||
|  | RAPIDJSON_NAMESPACE_BEGIN | ||
|  | 
 | ||
|  | //! Type of JSON value
 | ||
|  | enum Type { | ||
|  |     kNullType = 0,      //!< null
 | ||
|  |     kFalseType = 1,     //!< false
 | ||
|  |     kTrueType = 2,      //!< true
 | ||
|  |     kObjectType = 3,    //!< object
 | ||
|  |     kArrayType = 4,     //!< array 
 | ||
|  |     kStringType = 5,    //!< string
 | ||
|  |     kNumberType = 6     //!< number
 | ||
|  | }; | ||
|  | 
 | ||
|  | RAPIDJSON_NAMESPACE_END | ||
|  | 
 | ||
|  | #endif // RAPIDJSON_RAPIDJSON_H_
 |