NCBI C++ ToolKit
rapidjson.h
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1 // Tencent is pleased to support the open source community by making RapidJSON available.
2 //
3 // Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
4 //
5 // Licensed under the MIT License (the "License"); you may not use this file except
6 // in compliance with the License. You may obtain a copy of the License at
7 //
8 // http://opensource.org/licenses/MIT
9 //
10 // Unless required by applicable law or agreed to in writing, software distributed
11 // under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
12 // CONDITIONS OF ANY KIND, either express or implied. See the License for the
13 // specific language governing permissions and limitations under the License.
14 
15 #ifndef RAPIDJSON_RAPIDJSON_H_
16 #define RAPIDJSON_RAPIDJSON_H_
17 
18 /*!\file rapidjson.h
19  \brief common definitions and configuration
20 
21  \see RAPIDJSON_CONFIG
22  */
23 
24 /*! \defgroup RAPIDJSON_CONFIG RapidJSON configuration
25  \brief Configuration macros for library features
26 
27  Some RapidJSON features are configurable to adapt the library to a wide
28  variety of platforms, environments and usage scenarios. Most of the
29  features can be configured in terms of overriden or predefined
30  preprocessor macros at compile-time.
31 
32  Some additional customization is available in the \ref RAPIDJSON_ERRORS APIs.
33 
34  \note These macros should be given on the compiler command-line
35  (where applicable) to avoid inconsistent values when compiling
36  different translation units of a single application.
37  */
38 
39 #include <cstdlib> // malloc(), realloc(), free(), size_t
40 #include <cstring> // memset(), memcpy(), memmove(), memcmp()
41 
42 ///////////////////////////////////////////////////////////////////////////////
43 // RAPIDJSON_VERSION_STRING
44 //
45 // ALWAYS synchronize the following 3 macros with corresponding variables in /CMakeLists.txt.
46 //
47 
48 //!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
49 // token stringification
50 #define RAPIDJSON_STRINGIFY(x) RAPIDJSON_DO_STRINGIFY(x)
51 #define RAPIDJSON_DO_STRINGIFY(x) #x
52 //!@endcond
53 
54 /*! \def RAPIDJSON_MAJOR_VERSION
55  \ingroup RAPIDJSON_CONFIG
56  \brief Major version of RapidJSON in integer.
57 */
58 /*! \def RAPIDJSON_MINOR_VERSION
59  \ingroup RAPIDJSON_CONFIG
60  \brief Minor version of RapidJSON in integer.
61 */
62 /*! \def RAPIDJSON_PATCH_VERSION
63  \ingroup RAPIDJSON_CONFIG
64  \brief Patch version of RapidJSON in integer.
65 */
66 /*! \def RAPIDJSON_VERSION_STRING
67  \ingroup RAPIDJSON_CONFIG
68  \brief Version of RapidJSON in "<major>.<minor>.<patch>" string format.
69 */
70 #define RAPIDJSON_MAJOR_VERSION 1
71 #define RAPIDJSON_MINOR_VERSION 1
72 #define RAPIDJSON_PATCH_VERSION 0
73 #define RAPIDJSON_VERSION_STRING \
74  RAPIDJSON_STRINGIFY(RAPIDJSON_MAJOR_VERSION.RAPIDJSON_MINOR_VERSION.RAPIDJSON_PATCH_VERSION)
75 
76 ///////////////////////////////////////////////////////////////////////////////
77 // RAPIDJSON_NAMESPACE_(BEGIN|END)
78 /*! \def RAPIDJSON_NAMESPACE
79  \ingroup RAPIDJSON_CONFIG
80  \brief provide custom rapidjson namespace
81 
82  In order to avoid symbol clashes and/or "One Definition Rule" errors
83  between multiple inclusions of (different versions of) RapidJSON in
84  a single binary, users can customize the name of the main RapidJSON
85  namespace.
86 
87  In case of a single nesting level, defining \c RAPIDJSON_NAMESPACE
88  to a custom name (e.g. \c MyRapidJSON) is sufficient. If multiple
89  levels are needed, both \ref RAPIDJSON_NAMESPACE_BEGIN and \ref
90  RAPIDJSON_NAMESPACE_END need to be defined as well:
91 
92  \code
93  // in some .cpp file
94  #define RAPIDJSON_NAMESPACE my::rapidjson
95  #define RAPIDJSON_NAMESPACE_BEGIN namespace my { namespace rapidjson {
96  #define RAPIDJSON_NAMESPACE_END } }
97  #include "rapidjson/..."
98  \endcode
99 
100  \see rapidjson
101  */
102 /*! \def RAPIDJSON_NAMESPACE_BEGIN
103  \ingroup RAPIDJSON_CONFIG
104  \brief provide custom rapidjson namespace (opening expression)
105  \see RAPIDJSON_NAMESPACE
106 */
107 /*! \def RAPIDJSON_NAMESPACE_END
108  \ingroup RAPIDJSON_CONFIG
109  \brief provide custom rapidjson namespace (closing expression)
110  \see RAPIDJSON_NAMESPACE
111 */
112 #ifndef RAPIDJSON_NAMESPACE
113 #define RAPIDJSON_NAMESPACE rapidjson
114 #endif
115 #ifndef RAPIDJSON_NAMESPACE_BEGIN
116 #define RAPIDJSON_NAMESPACE_BEGIN namespace RAPIDJSON_NAMESPACE {
117 #endif
118 #ifndef RAPIDJSON_NAMESPACE_END
119 #define RAPIDJSON_NAMESPACE_END }
120 #endif
121 
122 ///////////////////////////////////////////////////////////////////////////////
123 // RAPIDJSON_HAS_STDSTRING
124 
125 #ifndef RAPIDJSON_HAS_STDSTRING
126 #ifdef RAPIDJSON_DOXYGEN_RUNNING
127 #define RAPIDJSON_HAS_STDSTRING 1 // force generation of documentation
128 #else
129 #define RAPIDJSON_HAS_STDSTRING 0 // no std::string support by default
130 #endif
131 /*! \def RAPIDJSON_HAS_STDSTRING
132  \ingroup RAPIDJSON_CONFIG
133  \brief Enable RapidJSON support for \c std::string
134 
135  By defining this preprocessor symbol to \c 1, several convenience functions for using
136  \ref rapidjson::GenericValue with \c std::string are enabled, especially
137  for construction and comparison.
138 
139  \hideinitializer
140 */
141 #endif // !defined(RAPIDJSON_HAS_STDSTRING)
142 
143 #if RAPIDJSON_HAS_STDSTRING
144 #include <string>
145 #endif // RAPIDJSON_HAS_STDSTRING
146 
147 ///////////////////////////////////////////////////////////////////////////////
148 // RAPIDJSON_NO_INT64DEFINE
149 
150 /*! \def RAPIDJSON_NO_INT64DEFINE
151  \ingroup RAPIDJSON_CONFIG
152  \brief Use external 64-bit integer types.
153 
154  RapidJSON requires the 64-bit integer types \c int64_t and \c uint64_t types
155  to be available at global scope.
156 
157  If users have their own definition, define RAPIDJSON_NO_INT64DEFINE to
158  prevent RapidJSON from defining its own types.
159 */
160 #ifndef RAPIDJSON_NO_INT64DEFINE
161 //!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
162 #if defined(_MSC_VER) && (_MSC_VER < 1800) // Visual Studio 2013
163 #include "msinttypes/stdint.h"
164 #include "msinttypes/inttypes.h"
165 #else
166 // Other compilers should have this.
167 #include <stdint.h>
168 #include <inttypes.h>
169 #endif
170 //!@endcond
171 #ifdef RAPIDJSON_DOXYGEN_RUNNING
172 #define RAPIDJSON_NO_INT64DEFINE
173 #endif
174 #endif // RAPIDJSON_NO_INT64TYPEDEF
175 
176 ///////////////////////////////////////////////////////////////////////////////
177 // RAPIDJSON_FORCEINLINE
178 
179 #ifndef RAPIDJSON_FORCEINLINE
180 //!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
181 #if defined(_MSC_VER) && defined(NDEBUG)
182 #define RAPIDJSON_FORCEINLINE __forceinline
183 #elif defined(__GNUC__) && __GNUC__ >= 4 && defined(NDEBUG)
184 #define RAPIDJSON_FORCEINLINE __attribute__((always_inline))
185 #else
186 #define RAPIDJSON_FORCEINLINE
187 #endif
188 //!@endcond
189 #endif // RAPIDJSON_FORCEINLINE
190 
191 ///////////////////////////////////////////////////////////////////////////////
192 // RAPIDJSON_ENDIAN
193 #define RAPIDJSON_LITTLEENDIAN 0 //!< Little endian machine
194 #define RAPIDJSON_BIGENDIAN 1 //!< Big endian machine
195 
196 //! Endianness of the machine.
197 /*!
198  \def RAPIDJSON_ENDIAN
199  \ingroup RAPIDJSON_CONFIG
200 
201  GCC 4.6 provided macro for detecting endianness of the target machine. But other
202  compilers may not have this. User can define RAPIDJSON_ENDIAN to either
203  \ref RAPIDJSON_LITTLEENDIAN or \ref RAPIDJSON_BIGENDIAN.
204 
205  Default detection implemented with reference to
206  \li https://gcc.gnu.org/onlinedocs/gcc-4.6.0/cpp/Common-Predefined-Macros.html
207  \li http://www.boost.org/doc/libs/1_42_0/boost/detail/endian.hpp
208 */
209 #ifndef RAPIDJSON_ENDIAN
210 // Detect with GCC 4.6's macro
211 # ifdef __BYTE_ORDER__
212 # if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
213 # define RAPIDJSON_ENDIAN RAPIDJSON_LITTLEENDIAN
214 # elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
215 # define RAPIDJSON_ENDIAN RAPIDJSON_BIGENDIAN
216 # else
217 # error Unknown machine endianess detected. User needs to define RAPIDJSON_ENDIAN.
218 # endif // __BYTE_ORDER__
219 // Detect with GLIBC's endian.h
220 # elif defined(__GLIBC__)
221 # include <endian.h>
222 # if (__BYTE_ORDER == __LITTLE_ENDIAN)
223 # define RAPIDJSON_ENDIAN RAPIDJSON_LITTLEENDIAN
224 # elif (__BYTE_ORDER == __BIG_ENDIAN)
225 # define RAPIDJSON_ENDIAN RAPIDJSON_BIGENDIAN
226 # else
227 # error Unknown machine endianess detected. User needs to define RAPIDJSON_ENDIAN.
228 # endif // __GLIBC__
229 // Detect with _LITTLE_ENDIAN and _BIG_ENDIAN macro
230 # elif defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
231 # define RAPIDJSON_ENDIAN RAPIDJSON_LITTLEENDIAN
232 # elif defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN)
233 # define RAPIDJSON_ENDIAN RAPIDJSON_BIGENDIAN
234 // Detect with architecture macros
235 # elif defined(__sparc) || defined(__sparc__) || defined(_POWER) || defined(__powerpc__) || defined(__ppc__) || defined(__hpux) || defined(__hppa) || defined(_MIPSEB) || defined(_POWER) || defined(__s390__)
236 # define RAPIDJSON_ENDIAN RAPIDJSON_BIGENDIAN
237 # 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__)
238 # define RAPIDJSON_ENDIAN RAPIDJSON_LITTLEENDIAN
239 # elif defined(_MSC_VER) && defined(_M_ARM)
240 # define RAPIDJSON_ENDIAN RAPIDJSON_LITTLEENDIAN
241 # elif defined(RAPIDJSON_DOXYGEN_RUNNING)
242 # define RAPIDJSON_ENDIAN
243 # else
244 # error Unknown machine endianess detected. User needs to define RAPIDJSON_ENDIAN.
245 # endif
246 #endif // RAPIDJSON_ENDIAN
247 
248 ///////////////////////////////////////////////////////////////////////////////
249 // RAPIDJSON_64BIT
250 
251 //! Whether using 64-bit architecture
252 #ifndef RAPIDJSON_64BIT
253 #if defined(__LP64__) || (defined(__x86_64__) && defined(__ILP32__)) || defined(_WIN64) || defined(__EMSCRIPTEN__)
254 #define RAPIDJSON_64BIT 1
255 #else
256 #define RAPIDJSON_64BIT 0
257 #endif
258 #endif // RAPIDJSON_64BIT
259 
260 ///////////////////////////////////////////////////////////////////////////////
261 // RAPIDJSON_ALIGN
262 
263 //! Data alignment of the machine.
264 /*! \ingroup RAPIDJSON_CONFIG
265  \param x pointer to align
266 
267  Some machines require strict data alignment. Currently the default uses 4 bytes
268  alignment on 32-bit platforms and 8 bytes alignment for 64-bit platforms.
269  User can customize by defining the RAPIDJSON_ALIGN function macro.
270 */
271 #ifndef RAPIDJSON_ALIGN
272 #if RAPIDJSON_64BIT == 1
273 #define RAPIDJSON_ALIGN(x) (((x) + static_cast<uint64_t>(7u)) & ~static_cast<uint64_t>(7u))
274 #else
275 #define RAPIDJSON_ALIGN(x) (((x) + 3u) & ~3u)
276 #endif
277 #endif
278 
279 ///////////////////////////////////////////////////////////////////////////////
280 // RAPIDJSON_UINT64_C2
281 
282 //! Construct a 64-bit literal by a pair of 32-bit integer.
283 /*!
284  64-bit literal with or without ULL suffix is prone to compiler warnings.
285  UINT64_C() is C macro which cause compilation problems.
286  Use this macro to define 64-bit constants by a pair of 32-bit integer.
287 */
288 #ifndef RAPIDJSON_UINT64_C2
289 #define RAPIDJSON_UINT64_C2(high32, low32) ((static_cast<uint64_t>(high32) << 32) | static_cast<uint64_t>(low32))
290 #endif
291 
292 ///////////////////////////////////////////////////////////////////////////////
293 // RAPIDJSON_48BITPOINTER_OPTIMIZATION
294 
295 //! Use only lower 48-bit address for some pointers.
296 /*!
297  \ingroup RAPIDJSON_CONFIG
298 
299  This optimization uses the fact that current X86-64 architecture only implement lower 48-bit virtual address.
300  The higher 16-bit can be used for storing other data.
301  \c GenericValue uses this optimization to reduce its size form 24 bytes to 16 bytes in 64-bit architecture.
302 */
303 #ifndef RAPIDJSON_48BITPOINTER_OPTIMIZATION
304 #if defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64)
305 #define RAPIDJSON_48BITPOINTER_OPTIMIZATION 1
306 #else
307 #define RAPIDJSON_48BITPOINTER_OPTIMIZATION 0
308 #endif
309 #endif // RAPIDJSON_48BITPOINTER_OPTIMIZATION
310 
311 #if RAPIDJSON_48BITPOINTER_OPTIMIZATION == 1
312 #if RAPIDJSON_64BIT != 1
313 #error RAPIDJSON_48BITPOINTER_OPTIMIZATION can only be set to 1 when RAPIDJSON_64BIT=1
314 #endif
315 #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))))
316 #define RAPIDJSON_GETPOINTER(type, p) (reinterpret_cast<type *>(reinterpret_cast<uintptr_t>(p) & static_cast<uintptr_t>(RAPIDJSON_UINT64_C2(0x0000FFFF, 0xFFFFFFFF))))
317 #else
318 #define RAPIDJSON_SETPOINTER(type, p, x) (p = (x))
319 #define RAPIDJSON_GETPOINTER(type, p) (p)
320 #endif
321 
322 ///////////////////////////////////////////////////////////////////////////////
323 // RAPIDJSON_SSE2/RAPIDJSON_SSE42/RAPIDJSON_SIMD
324 
325 /*! \def RAPIDJSON_SIMD
326  \ingroup RAPIDJSON_CONFIG
327  \brief Enable SSE2/SSE4.2 optimization.
328 
329  RapidJSON supports optimized implementations for some parsing operations
330  based on the SSE2 or SSE4.2 SIMD extensions on modern Intel-compatible
331  processors.
332 
333  To enable these optimizations, two different symbols can be defined;
334  \code
335  // Enable SSE2 optimization.
336  #define RAPIDJSON_SSE2
337 
338  // Enable SSE4.2 optimization.
339  #define RAPIDJSON_SSE42
340  \endcode
341 
342  \c RAPIDJSON_SSE42 takes precedence, if both are defined.
343 
344  If any of these symbols is defined, RapidJSON defines the macro
345  \c RAPIDJSON_SIMD to indicate the availability of the optimized code.
346 */
347 #if defined(RAPIDJSON_SSE2) || defined(RAPIDJSON_SSE42) \
348  || defined(RAPIDJSON_DOXYGEN_RUNNING)
349 #define RAPIDJSON_SIMD
350 #endif
351 
352 ///////////////////////////////////////////////////////////////////////////////
353 // RAPIDJSON_NO_SIZETYPEDEFINE
354 
355 #ifndef RAPIDJSON_NO_SIZETYPEDEFINE
356 /*! \def RAPIDJSON_NO_SIZETYPEDEFINE
357  \ingroup RAPIDJSON_CONFIG
358  \brief User-provided \c SizeType definition.
359 
360  In order to avoid using 32-bit size types for indexing strings and arrays,
361  define this preprocessor symbol and provide the type rapidjson::SizeType
362  before including RapidJSON:
363  \code
364  #define RAPIDJSON_NO_SIZETYPEDEFINE
365  namespace rapidjson { typedef ::std::size_t SizeType; }
366  #include "rapidjson/..."
367  \endcode
368 
369  \see rapidjson::SizeType
370 */
371 #ifdef RAPIDJSON_DOXYGEN_RUNNING
372 #define RAPIDJSON_NO_SIZETYPEDEFINE
373 #endif
375 //! Size type (for string lengths, array sizes, etc.)
376 /*! RapidJSON uses 32-bit array/string indices even on 64-bit platforms,
377  instead of using \c size_t. Users may override the SizeType by defining
378  \ref RAPIDJSON_NO_SIZETYPEDEFINE.
379 */
380 typedef unsigned SizeType;
382 #endif
383 
384 // always import std::size_t to rapidjson namespace
386 using std::size_t;
388 
389 ///////////////////////////////////////////////////////////////////////////////
390 // RAPIDJSON_ASSERT
391 
392 //! Assertion.
393 /*! \ingroup RAPIDJSON_CONFIG
394  By default, rapidjson uses C \c assert() for internal assertions.
395  User can override it by defining RAPIDJSON_ASSERT(x) macro.
396 
397  \note Parsing errors are handled and can be customized by the
398  \ref RAPIDJSON_ERRORS APIs.
399 */
400 #ifndef RAPIDJSON_ASSERT
401 #include <cassert>
402 #define RAPIDJSON_ASSERT(x) assert(x)
403 #endif // RAPIDJSON_ASSERT
404 
405 ///////////////////////////////////////////////////////////////////////////////
406 // RAPIDJSON_STATIC_ASSERT
407 
408 // Adopt from boost
409 #ifndef RAPIDJSON_STATIC_ASSERT
410 #ifndef __clang__
411 //!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
412 #endif
414 template <bool x> struct STATIC_ASSERTION_FAILURE;
415 template <> struct STATIC_ASSERTION_FAILURE<true> { enum { value = 1 }; };
416 template<size_t x> struct StaticAssertTest {};
418 
419 #define RAPIDJSON_JOIN(X, Y) RAPIDJSON_DO_JOIN(X, Y)
420 #define RAPIDJSON_DO_JOIN(X, Y) RAPIDJSON_DO_JOIN2(X, Y)
421 #define RAPIDJSON_DO_JOIN2(X, Y) X##Y
422 
423 #if defined(__GNUC__)
424 #define RAPIDJSON_STATIC_ASSERT_UNUSED_ATTRIBUTE __attribute__((unused))
425 #else
426 #define RAPIDJSON_STATIC_ASSERT_UNUSED_ATTRIBUTE
427 #endif
428 #ifndef __clang__
429 //!@endcond
430 #endif
431 
432 /*! \def RAPIDJSON_STATIC_ASSERT
433  \brief (Internal) macro to check for conditions at compile-time
434  \param x compile-time condition
435  \hideinitializer
436  */
437 #define RAPIDJSON_STATIC_ASSERT(x) \
438  typedef ::RAPIDJSON_NAMESPACE::StaticAssertTest< \
439  sizeof(::RAPIDJSON_NAMESPACE::STATIC_ASSERTION_FAILURE<bool(x) >)> \
440  RAPIDJSON_JOIN(StaticAssertTypedef, __LINE__) RAPIDJSON_STATIC_ASSERT_UNUSED_ATTRIBUTE
441 #endif
442 
443 ///////////////////////////////////////////////////////////////////////////////
444 // RAPIDJSON_LIKELY, RAPIDJSON_UNLIKELY
445 
446 //! Compiler branching hint for expression with high probability to be true.
447 /*!
448  \ingroup RAPIDJSON_CONFIG
449  \param x Boolean expression likely to be true.
450 */
451 #ifndef RAPIDJSON_LIKELY
452 #if defined(__GNUC__) || defined(__clang__)
453 #define RAPIDJSON_LIKELY(x) __builtin_expect(!!(x), 1)
454 #else
455 #define RAPIDJSON_LIKELY(x) (x)
456 #endif
457 #endif
458 
459 //! Compiler branching hint for expression with low probability to be true.
460 /*!
461  \ingroup RAPIDJSON_CONFIG
462  \param x Boolean expression unlikely to be true.
463 */
464 #ifndef RAPIDJSON_UNLIKELY
465 #if defined(__GNUC__) || defined(__clang__)
466 #define RAPIDJSON_UNLIKELY(x) __builtin_expect(!!(x), 0)
467 #else
468 #define RAPIDJSON_UNLIKELY(x) (x)
469 #endif
470 #endif
471 
472 ///////////////////////////////////////////////////////////////////////////////
473 // Helpers
474 
475 //!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
476 
477 #define RAPIDJSON_MULTILINEMACRO_BEGIN do {
478 #define RAPIDJSON_MULTILINEMACRO_END \
479 } while((void)0, 0)
480 
481 // adopted from Boost
482 #define RAPIDJSON_VERSION_CODE(x,y,z) \
483  (((x)*100000) + ((y)*100) + (z))
484 
485 ///////////////////////////////////////////////////////////////////////////////
486 // RAPIDJSON_DIAG_PUSH/POP, RAPIDJSON_DIAG_OFF
487 
488 #if defined(__GNUC__)
489 #define RAPIDJSON_GNUC \
490  RAPIDJSON_VERSION_CODE(__GNUC__,__GNUC_MINOR__,__GNUC_PATCHLEVEL__)
491 #endif
492 
493 #if defined(__clang__) || (defined(RAPIDJSON_GNUC) && RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,2,0))
494 
495 #define RAPIDJSON_PRAGMA(x) _Pragma(RAPIDJSON_STRINGIFY(x))
496 #define RAPIDJSON_DIAG_PRAGMA(x) RAPIDJSON_PRAGMA(GCC diagnostic x)
497 #define RAPIDJSON_DIAG_OFF(x) \
498  RAPIDJSON_DIAG_PRAGMA(ignored RAPIDJSON_STRINGIFY(RAPIDJSON_JOIN(-W,x)))
499 
500 // push/pop support in Clang and GCC>=4.6
501 #if defined(__clang__) || (defined(RAPIDJSON_GNUC) && RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,6,0))
502 #define RAPIDJSON_DIAG_PUSH RAPIDJSON_DIAG_PRAGMA(push)
503 #define RAPIDJSON_DIAG_POP RAPIDJSON_DIAG_PRAGMA(pop)
504 #else // GCC >= 4.2, < 4.6
505 #define RAPIDJSON_DIAG_PUSH /* ignored */
506 #define RAPIDJSON_DIAG_POP /* ignored */
507 #endif
508 
509 #elif defined(_MSC_VER)
510 
511 // pragma (MSVC specific)
512 #define RAPIDJSON_PRAGMA(x) __pragma(x)
513 #define RAPIDJSON_DIAG_PRAGMA(x) RAPIDJSON_PRAGMA(warning(x))
514 
515 #define RAPIDJSON_DIAG_OFF(x) RAPIDJSON_DIAG_PRAGMA(disable: x)
516 #define RAPIDJSON_DIAG_PUSH RAPIDJSON_DIAG_PRAGMA(push)
517 #define RAPIDJSON_DIAG_POP RAPIDJSON_DIAG_PRAGMA(pop)
518 
519 #else
520 
521 #define RAPIDJSON_DIAG_OFF(x) /* ignored */
522 #define RAPIDJSON_DIAG_PUSH /* ignored */
523 #define RAPIDJSON_DIAG_POP /* ignored */
524 
525 #endif // RAPIDJSON_DIAG_*
526 
527 // NCBI
528 #if NCBI_COMPILER_ICC
529 #undef RAPIDJSON_DIAG_OFF
530 #define RAPIDJSON_DIAG_OFF(x)
531 #endif
532 
533 ///////////////////////////////////////////////////////////////////////////////
534 // C++11 features
535 
536 #ifndef RAPIDJSON_HAS_CXX11_RVALUE_REFS
537 #if defined(__clang__)
538 #if __has_feature(cxx_rvalue_references) && \
539  (defined(_LIBCPP_VERSION) || defined(__GLIBCXX__) && __GLIBCXX__ >= 20080306)
540 #define RAPIDJSON_HAS_CXX11_RVALUE_REFS 1
541 #else
542 #define RAPIDJSON_HAS_CXX11_RVALUE_REFS 0
543 #endif
544 #elif (defined(RAPIDJSON_GNUC) && (RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,3,0)) && defined(__GXX_EXPERIMENTAL_CXX0X__)) || \
545  (defined(_MSC_VER) && _MSC_VER >= 1600)
546 
547 #define RAPIDJSON_HAS_CXX11_RVALUE_REFS 1
548 #else
549 #define RAPIDJSON_HAS_CXX11_RVALUE_REFS 0
550 #endif
551 #endif // RAPIDJSON_HAS_CXX11_RVALUE_REFS
552 
553 #ifndef RAPIDJSON_HAS_CXX11_NOEXCEPT
554 #if defined(__clang__)
555 #define RAPIDJSON_HAS_CXX11_NOEXCEPT __has_feature(cxx_noexcept)
556 #elif (defined(RAPIDJSON_GNUC) && (RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,6,0)) && defined(__GXX_EXPERIMENTAL_CXX0X__))
557 // (defined(_MSC_VER) && _MSC_VER >= ????) // not yet supported
558 #define RAPIDJSON_HAS_CXX11_NOEXCEPT 1
559 #else
560 #define RAPIDJSON_HAS_CXX11_NOEXCEPT 0
561 #endif
562 #endif
563 #if RAPIDJSON_HAS_CXX11_NOEXCEPT
564 #define RAPIDJSON_NOEXCEPT noexcept
565 #else
566 #define RAPIDJSON_NOEXCEPT /* noexcept */
567 #endif // RAPIDJSON_HAS_CXX11_NOEXCEPT
568 
569 // no automatic detection, yet
570 #ifndef RAPIDJSON_HAS_CXX11_TYPETRAITS
571 #define RAPIDJSON_HAS_CXX11_TYPETRAITS 0
572 #endif
573 
574 #ifndef RAPIDJSON_HAS_CXX11_RANGE_FOR
575 #if defined(__clang__)
576 #define RAPIDJSON_HAS_CXX11_RANGE_FOR __has_feature(cxx_range_for)
577 #elif (defined(RAPIDJSON_GNUC) && (RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,6,0)) && defined(__GXX_EXPERIMENTAL_CXX0X__)) || \
578  (defined(_MSC_VER) && _MSC_VER >= 1700)
579 #define RAPIDJSON_HAS_CXX11_RANGE_FOR 1
580 #else
581 #define RAPIDJSON_HAS_CXX11_RANGE_FOR 0
582 #endif
583 #endif // RAPIDJSON_HAS_CXX11_RANGE_FOR
584 
585 //!@endcond
586 
587 ///////////////////////////////////////////////////////////////////////////////
588 // new/delete
589 
590 #ifndef RAPIDJSON_NEW
591 ///! customization point for global \c new
592 #define RAPIDJSON_NEW(TypeName) new TypeName
593 #endif
594 #ifndef RAPIDJSON_DELETE
595 ///! customization point for global \c delete
596 #define RAPIDJSON_DELETE(x) delete x
597 #endif
598 
599 ///////////////////////////////////////////////////////////////////////////////
600 // Type
601 
602 /*! \namespace rapidjson
603  \brief main RapidJSON namespace
604  \see RAPIDJSON_NAMESPACE
605 */
607 
608 //! Type of JSON value
609 enum Type {
610  kNullType = 0, //!< null
611  kFalseType = 1, //!< false
612  kTrueType = 2, //!< true
613  kObjectType = 3, //!< object
614  kArrayType = 4, //!< array
615  kStringType = 5, //!< string
616  kNumberType = 6 //!< number
617 };
618 
620 
621 #endif // RAPIDJSON_RAPIDJSON_H_
#define true
Definition: bool.h:35
#define RAPIDJSON_NAMESPACE_BEGIN
provide custom rapidjson namespace (opening expression)
Definition: rapidjson.h:116
#define RAPIDJSON_NAMESPACE_END
provide custom rapidjson namespace (closing expression)
Definition: rapidjson.h:119
const GenericPointer< typename T::ValueType > T2 value
Definition: pointer.h:1227
unsigned SizeType
Size type (for string lengths, array sizes, etc.)
Definition: rapidjson.h:380
Type
Type of JSON value.
Definition: rapidjson.h:609
@ kArrayType
array
Definition: rapidjson.h:614
@ kTrueType
true
Definition: rapidjson.h:612
@ kNullType
null
Definition: rapidjson.h:610
@ kFalseType
false
Definition: rapidjson.h:611
@ kNumberType
number
Definition: rapidjson.h:616
@ kObjectType
object
Definition: rapidjson.h:613
@ kStringType
string
Definition: rapidjson.h:615
Modified on Fri May 24 14:53:13 2024 by modify_doxy.py rev. 669887