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#ifdef __clang__
78#if __has_extension(attribute_deprecated_with_message)
79#define JSONCPP_DEPRECATED(message) __attribute__((deprecated(message)))
80#endif
81#elif defined(__GNUC__) // not clang (gcc comes later since clang emulates gcc)
82#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5))
83#define JSONCPP_DEPRECATED(message) __attribute__((deprecated(message)))
84#elif (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1))
85#define JSONCPP_DEPRECATED(message) __attribute__((__deprecated__))
86#endif // GNUC version
87#elif defined(_MSC_VER) // MSVC (after clang because clang on Windows emulates
88 // MSVC)
89#define JSONCPP_DEPRECATED(message) __declspec(deprecated(message))
90#endif // __clang__ || __GNUC__ || _MSC_VER
91
92#if !defined(JSONCPP_DEPRECATED)
93#define JSONCPP_DEPRECATED(message)
94#endif // if !defined(JSONCPP_DEPRECATED)
95
96#if defined(__clang__) || (defined(__GNUC__) && (__GNUC__ >= 6))
97#define JSON_USE_INT64_DOUBLE_CONVERSION 1
98#endif
99
100#if !defined(JSON_IS_AMALGAMATION)
101
102#include "allocator.h"
103#include "version.h"
104
105#endif // if !defined(JSON_IS_AMALGAMATION)
106
107namespace Json {
108using Int = int;
109using UInt = unsigned int;
110#if defined(JSON_NO_INT64)
111using LargestInt = int;
112using LargestUInt = unsigned int;
113#undef JSON_HAS_INT64
114#else // if defined(JSON_NO_INT64)
115// For Microsoft Visual use specific types as long long is not supported
116#if defined(_MSC_VER) // Microsoft Visual Studio
117using Int64 = __int64;
118using UInt64 = unsigned __int64;
119#else // if defined(_MSC_VER) // Other platforms, use long long
120using Int64 = int64_t;
121using UInt64 = uint64_t;
122#endif // if defined(_MSC_VER)
123using LargestInt = Int64;
124using LargestUInt = UInt64;
125#define JSON_HAS_INT64
126#endif // if defined(JSON_NO_INT64)
127
128template <typename T>
129using Allocator =
130 typename std::conditional<JSONCPP_USING_SECURE_MEMORY, SecureAllocator<T>,
131 std::allocator<T>>::type;
132using String = std::basic_string<char, std::char_traits<char>, Allocator<char>>;
133using IStringStream =
134 std::basic_istringstream<String::value_type, String::traits_type,
135 String::allocator_type>;
136using OStringStream =
137 std::basic_ostringstream<String::value_type, String::traits_type,
138 String::allocator_type>;
139using IStream = std::istream;
140using OStream = std::ostream;
141} // namespace Json
142
143// Legacy names (formerly macros).
144using JSONCPP_STRING = Json::String;
145using JSONCPP_ISTRINGSTREAM = Json::IStringStream;
146using JSONCPP_OSTRINGSTREAM = Json::OStringStream;
147using JSONCPP_ISTREAM = Json::IStream;
148using JSONCPP_OSTREAM = Json::OStream;
149
150#endif // JSON_CONFIG_H_INCLUDED
151