1// Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors
2// Distributed under MIT license, or public domain if desired and
3// recognized in your jurisdiction.
4// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
5
6#ifndef JSON_CONFIG_H_INCLUDED
7#define JSON_CONFIG_H_INCLUDED
8#include <cstddef>
9#include <cstdint>
10#include <istream>
11#include <memory>
12#include <ostream>
13#include <sstream>
14#include <string>
15#include <type_traits>
16
17// If non-zero, the library uses exceptions to report bad input instead of C
18// assertion macros. The default is to use exceptions.
19#ifndef JSON_USE_EXCEPTION
20#define JSON_USE_EXCEPTION 1
21#endif
22
23// Temporary, tracked for removal with issue #982.
24#ifndef JSON_USE_NULLREF
25#define JSON_USE_NULLREF 1
26#endif
27
28/// If defined, indicates that the source file is amalgamated
29/// to prevent private header inclusion.
30/// Remarks: it is automatically defined in the generated amalgamated header.
31// #define JSON_IS_AMALGAMATION
32
33// Export macros for DLL visibility
34#if defined(JSON_DLL_BUILD)
35#if defined(_MSC_VER) || defined(__MINGW32__)
36#define JSON_API __declspec(dllexport)
37#define JSONCPP_DISABLE_DLL_INTERFACE_WARNING
38#elif defined(__GNUC__) || defined(__clang__)
39#define JSON_API __attribute__((visibility("default")))
40#endif // if defined(_MSC_VER)
41
42#elif defined(JSON_DLL)
43#if defined(_MSC_VER) || defined(__MINGW32__)
44#define JSON_API __declspec(dllimport)
45#define JSONCPP_DISABLE_DLL_INTERFACE_WARNING
46#endif // if defined(_MSC_VER)
47#endif // ifdef JSON_DLL_BUILD
48
49#if !defined(JSON_API)
50#define JSON_API
51#endif
52
53#if defined(_MSC_VER) && _MSC_VER < 1800
54#error                                                                         \
55    "ERROR:  Visual Studio 12 (2013) with _MSC_VER=1800 is the oldest supported compiler with sufficient C++11 capabilities"
56#endif
57
58#if defined(_MSC_VER) && _MSC_VER < 1900
59// As recommended at
60// https://stackoverflow.com/questions/2915672/snprintf-and-visual-studio-2010
61extern JSON_API int msvc_pre1900_c99_snprintf(char* outBuf, size_t size,
62                                              const char* format, ...);
63#define jsoncpp_snprintf msvc_pre1900_c99_snprintf
64#else
65#define jsoncpp_snprintf std::snprintf
66#endif
67
68// If JSON_NO_INT64 is defined, then Json only support C++ "int" type for
69// integer
70// Storages, and 64 bits integer support is disabled.
71// #define JSON_NO_INT64 1
72
73// JSONCPP_OVERRIDE is maintained for backwards compatibility of external tools.
74// C++11 should be used directly in JSONCPP.
75#define JSONCPP_OVERRIDE override
76
77
78//#ifdef __clang__
79//#if __has_extension(attribute_deprecated_with_message)
80//#define JSONCPP_DEPRECATED(message) __attribute__((deprecated(message)))
81//#endif
82//#elif defined(__GNUC__) // not clang (gcc comes later since clang emulates gcc)
83//#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5))
84//#define JSONCPP_DEPRECATED(message) __attribute__((deprecated(message)))
85//#elif (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1))
86//#define JSONCPP_DEPRECATED(message) __attribute__((__deprecated__))
87//#endif                  // GNUC version
88//#elif defined(_MSC_VER) // MSVC (after clang because clang on Windows emulates
89//                        // MSVC)
90//#define JSONCPP_DEPRECATED(message) __declspec(deprecated(message))
91//#endif // __clang__ || __GNUC__ || _MSC_VER
92
93#if !defined(JSONCPP_DEPRECATED)
94#define JSONCPP_DEPRECATED(message)
95#endif // if !defined(JSONCPP_DEPRECATED)
96
97#if defined(__clang__) || (defined(__GNUC__) && (__GNUC__ >= 6))
98#define JSON_USE_INT64_DOUBLE_CONVERSION 1
99#endif
100
101#if !defined(JSON_IS_AMALGAMATION)
102
103#include <json/allocator.h>
104#include <json/version.h>
105
106#endif // if !defined(JSON_IS_AMALGAMATION)
107
108namespace Json {
109using Int = int;
110using UInt = unsigned int;
111#if defined(JSON_NO_INT64)
112using LargestInt = int;
113using LargestUInt = unsigned int;
114#undef JSON_HAS_INT64
115#else                 // if defined(JSON_NO_INT64)
116// For Microsoft Visual use specific types as long long is not supported
117#if defined(_MSC_VER) // Microsoft Visual Studio
118using Int64 = __int64;
119using UInt64 = unsigned __int64;
120#else                 // if defined(_MSC_VER) // Other platforms, use long long
121using Int64 = int64_t;
122using UInt64 = uint64_t;
123#endif                // if defined(_MSC_VER)
124using LargestInt = Int64;
125using LargestUInt = UInt64;
126#define JSON_HAS_INT64
127#endif // if defined(JSON_NO_INT64)
128
129template <typename T>
130using Allocator =
131    typename std::conditional<JSONCPP_USING_SECURE_MEMORY, SecureAllocator<T>,
132                              std::allocator<T>>::type;
133using String = std::basic_string<char, std::char_traits<char>, Allocator<char>>;
134using IStringStream =
135    std::basic_istringstream<String::value_type, String::traits_type,
136                             String::allocator_type>;
137using OStringStream =
138    std::basic_ostringstream<String::value_type, String::traits_type,
139                             String::allocator_type>;
140using IStream = std::istream;
141using OStream = std::ostream;
142} // namespace Json
143
144// Legacy names (formerly macros).
145using JSONCPP_STRING = Json::String;
146using JSONCPP_ISTRINGSTREAM = Json::IStringStream;
147using JSONCPP_OSTRINGSTREAM = Json::OStringStream;
148using JSONCPP_ISTREAM = Json::IStream;
149using JSONCPP_OSTREAM = Json::OStream;
150
151#endif // JSON_CONFIG_H_INCLUDED
152