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Drop pre-C++11 alternatives (#1593)
* Assume C++11 We already assume C++11 elsewhere, so all pre-11 `#ifdef` branches are dead code at this point. Fixes issue #1591 because we can just use `std::isfinite` etc. assume C++11 in json_reader.cpp as well apply clang-format * valueToString: simplify lookup of special float name
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AUTHORS
2
AUTHORS
@ -16,7 +16,7 @@ Baruch Siach <baruch@tkos.co.il>
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Ben Boeckel <mathstuf@gmail.com>
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Benjamin Knecht <bknecht@logitech.com>
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Bernd Kuhls <bernd.kuhls@t-online.de>
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Billy Donahue <billydonahue@google.com>
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Billy Donahue <billy.donahue@gmail.com>
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Braden McDorman <bmcdorman@gmail.com>
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Brandon Myers <bmyers1788@gmail.com>
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Brendan Drew <brendan.drew@daqri.com>
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@ -23,13 +23,6 @@
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#include <utility>
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#include <cstdio>
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#if __cplusplus >= 201103L
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#if !defined(sscanf)
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#define sscanf std::sscanf
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#endif
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#endif //__cplusplus
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#if defined(_MSC_VER)
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#if !defined(_CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES)
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@ -53,11 +46,7 @@ static size_t const stackLimit_g =
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namespace Json {
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#if __cplusplus >= 201103L || (defined(_CPPLIB_VER) && _CPPLIB_VER >= 520)
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using CharReaderPtr = std::unique_ptr<CharReader>;
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#else
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using CharReaderPtr = std::auto_ptr<CharReader>;
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#endif
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// Implementation of class Features
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// ////////////////////////////////
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@ -10,6 +10,8 @@
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#include <algorithm>
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#include <cassert>
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#include <cctype>
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#include <cmath>
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#include <cstdio>
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#include <cstring>
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#include <iomanip>
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#include <memory>
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@ -17,67 +19,6 @@
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#include <sstream>
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#include <utility>
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#if __cplusplus >= 201103L
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#include <cmath>
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#include <cstdio>
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#if !defined(isnan)
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#define isnan std::isnan
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#endif
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#if !defined(isfinite)
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#define isfinite std::isfinite
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#endif
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#else
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#include <cmath>
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#include <cstdio>
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#if defined(_MSC_VER)
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#if !defined(isnan)
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#include <float.h>
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#define isnan _isnan
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#endif
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#if !defined(isfinite)
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#include <float.h>
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#define isfinite _finite
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#endif
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#if !defined(_CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES)
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#define _CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES 1
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#endif //_CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES
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#endif //_MSC_VER
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#if defined(__sun) && defined(__SVR4) // Solaris
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#if !defined(isfinite)
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#include <ieeefp.h>
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#define isfinite finite
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#endif
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#endif
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#if defined(__hpux)
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#if !defined(isfinite)
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#if defined(__ia64) && !defined(finite)
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#define isfinite(x) \
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((sizeof(x) == sizeof(float) ? _Isfinitef(x) : _IsFinite(x)))
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#endif
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#endif
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#endif
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#if !defined(isnan)
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// IEEE standard states that NaN values will not compare to themselves
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#define isnan(x) ((x) != (x))
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#endif
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#if !defined(__APPLE__)
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#if !defined(isfinite)
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#define isfinite finite
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#endif
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#endif
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#endif
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#if defined(_MSC_VER)
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// Disable warning about strdup being deprecated.
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#pragma warning(disable : 4996)
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@ -85,11 +26,7 @@
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namespace Json {
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#if __cplusplus >= 201103L || (defined(_CPPLIB_VER) && _CPPLIB_VER >= 520)
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using StreamWriterPtr = std::unique_ptr<StreamWriter>;
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#else
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using StreamWriterPtr = std::auto_ptr<StreamWriter>;
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#endif
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String valueToString(LargestInt value) {
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UIntToStringBuffer buffer;
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@ -129,12 +66,12 @@ String valueToString(double value, bool useSpecialFloats,
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// Print into the buffer. We need not request the alternative representation
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// that always has a decimal point because JSON doesn't distinguish the
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// concepts of reals and integers.
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if (!isfinite(value)) {
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static const char* const reps[2][3] = {{"NaN", "-Infinity", "Infinity"},
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{"null", "-1e+9999", "1e+9999"}};
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return reps[useSpecialFloats ? 0 : 1][isnan(value) ? 0
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: (value < 0) ? 1
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: 2];
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if (!std::isfinite(value)) {
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if (std::isnan(value))
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return useSpecialFloats ? "NaN" : "null";
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if (value < 0)
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return useSpecialFloats ? "-Infinity" : "-1e+9999";
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return useSpecialFloats ? "Infinity" : "1e+9999";
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}
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String buffer(size_t(36), '\0');
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