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Merge branch 'develop' of https://github.com/nlohmann/json into issue2179

Browse source 
 Conflicts:
	single_include/nlohmann/json.hpp
This commit is contained in:
Niels Lohmann 2020-07-11 13:20:16 +02:00
commit 9c21285133
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44 changed files with 1769 additions and 868 deletions
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81
include/nlohmann/detail/conversions/to_chars.hpp
View file

@ -1,7 +1,6 @@
#pragma once
#include <array> // array
#include <cassert> // assert
#include <cmath> // signbit, isfinite
#include <cstdint> // intN_t, uintN_t
#include <cstring> // memcpy, memmove
@ -63,8 +62,8 @@ struct diyfp // f * 2^e
*/
static diyfp sub(const diyfp& x, const diyfp& y) noexcept
{
assert(x.e == y.e);
assert(x.f >= y.f);
JSON_ASSERT(x.e == y.e);
JSON_ASSERT(x.f >= y.f);
return {x.f - y.f, x.e};
}
@ -140,7 +139,7 @@ struct diyfp // f * 2^e
*/
static diyfp normalize(diyfp x) noexcept
{
assert(x.f != 0);
JSON_ASSERT(x.f != 0);
while ((x.f >> 63u) == 0)
{
@ -159,8 +158,8 @@ struct diyfp // f * 2^e
{
const int delta = x.e - target_exponent;
assert(delta >= 0);
assert(((x.f << delta) >> delta) == x.f);
JSON_ASSERT(delta >= 0);
JSON_ASSERT(((x.f << delta) >> delta) == x.f);
return {x.f << delta, target_exponent};
}
@ -182,8 +181,8 @@ boundaries.
template <typename FloatType>
boundaries compute_boundaries(FloatType value)
{
assert(std::isfinite(value));
assert(value > 0);
JSON_ASSERT(std::isfinite(value));
JSON_ASSERT(value > 0);
// Convert the IEEE representation into a diyfp.
//
@ -463,18 +462,18 @@ inline cached_power get_cached_power_for_binary_exponent(int e)
// k = ceil((kAlpha - e - 1) * 0.30102999566398114)
// for |e| <= 1500, but doesn't require floating-point operations.
// NB: log_10(2) ~= 78913 / 2^18
assert(e >= -1500);
assert(e <= 1500);
JSON_ASSERT(e >= -1500);
JSON_ASSERT(e <= 1500);
const int f = kAlpha - e - 1;
const int k = (f * 78913) / (1 << 18) + static_cast<int>(f > 0);
const int index = (-kCachedPowersMinDecExp + k + (kCachedPowersDecStep - 1)) / kCachedPowersDecStep;
assert(index >= 0);
assert(static_cast<std::size_t>(index) < kCachedPowers.size());
JSON_ASSERT(index >= 0);
JSON_ASSERT(static_cast<std::size_t>(index) < kCachedPowers.size());
const cached_power cached = kCachedPowers[static_cast<std::size_t>(index)];
assert(kAlpha <= cached.e + e + 64);
assert(kGamma >= cached.e + e + 64);
JSON_ASSERT(kAlpha <= cached.e + e + 64);
JSON_ASSERT(kGamma >= cached.e + e + 64);
return cached;
}
@ -542,10 +541,10 @@ inline int find_largest_pow10(const std::uint32_t n, std::uint32_t& pow10)
inline void grisu2_round(char* buf, int len, std::uint64_t dist, std::uint64_t delta,
std::uint64_t rest, std::uint64_t ten_k)
{
assert(len >= 1);
assert(dist <= delta);
assert(rest <= delta);
assert(ten_k > 0);
JSON_ASSERT(len >= 1);
JSON_ASSERT(dist <= delta);
JSON_ASSERT(rest <= delta);
JSON_ASSERT(ten_k > 0);
// <--------------------------- delta ---->
// <---- dist --------->
@ -570,7 +569,7 @@ inline void grisu2_round(char* buf, int len, std::uint64_t dist, std::uint64_t d
and delta - rest >= ten_k
and (rest + ten_k < dist or dist - rest > rest + ten_k - dist))
{
assert(buf[len - 1] != '0');
JSON_ASSERT(buf[len - 1] != '0');
buf[len - 1]--;
rest += ten_k;
}
@ -598,8 +597,8 @@ inline void grisu2_digit_gen(char* buffer, int& length, int& decimal_exponent,
// Grisu2 generates the digits of M+ from left to right and stops as soon as
// V is in [M-,M+].
assert(M_plus.e >= kAlpha);
assert(M_plus.e <= kGamma);
JSON_ASSERT(M_plus.e >= kAlpha);
JSON_ASSERT(M_plus.e <= kGamma);
std::uint64_t delta = diyfp::sub(M_plus, M_minus).f; // (significand of (M+ - M-), implicit exponent is e)
std::uint64_t dist = diyfp::sub(M_plus, w ).f; // (significand of (M+ - w ), implicit exponent is e)
@ -620,7 +619,7 @@ inline void grisu2_digit_gen(char* buffer, int& length, int& decimal_exponent,
//
// Generate the digits of the integral part p1 = d[n-1]...d[1]d[0]
assert(p1 > 0);
JSON_ASSERT(p1 > 0);
std::uint32_t pow10;
const int k = find_largest_pow10(p1, pow10);
@ -656,7 +655,7 @@ inline void grisu2_digit_gen(char* buffer, int& length, int& decimal_exponent,
// M+ = buffer * 10^n + (d * 10^(n-1) + r) + p2 * 2^e
// = (buffer * 10 + d) * 10^(n-1) + (r + p2 * 2^e)
//
assert(d <= 9);
JSON_ASSERT(d <= 9);
buffer[length++] = static_cast<char>('0' + d); // buffer := buffer * 10 + d
//
// M+ = buffer * 10^(n-1) + (r + p2 * 2^e)
@ -743,7 +742,7 @@ inline void grisu2_digit_gen(char* buffer, int& length, int& decimal_exponent,
//
// and stop as soon as 10^-m * r * 2^e <= delta * 2^e
assert(p2 > delta);
JSON_ASSERT(p2 > delta);
int m = 0;
for (;;)
@ -754,7 +753,7 @@ inline void grisu2_digit_gen(char* buffer, int& length, int& decimal_exponent,
// = buffer * 10^-m + 10^-m * (1/10 * (10 * p2) ) * 2^e
// = buffer * 10^-m + 10^-m * (1/10 * ((10*p2 div 2^-e) * 2^-e + (10*p2 mod 2^-e)) * 2^e
//
assert(p2 <= (std::numeric_limits<std::uint64_t>::max)() / 10);
JSON_ASSERT(p2 <= (std::numeric_limits<std::uint64_t>::max)() / 10);
p2 *= 10;
const std::uint64_t d = p2 >> -one.e; // d = (10 * p2) div 2^-e
const std::uint64_t r = p2 & (one.f - 1); // r = (10 * p2) mod 2^-e
@ -763,7 +762,7 @@ inline void grisu2_digit_gen(char* buffer, int& length, int& decimal_exponent,
// = buffer * 10^-m + 10^-m * (1/10 * (d + r * 2^e))
// = (buffer * 10 + d) * 10^(-m-1) + 10^(-m-1) * r * 2^e
//
assert(d <= 9);
JSON_ASSERT(d <= 9);
buffer[length++] = static_cast<char>('0' + d); // buffer := buffer * 10 + d
//
// M+ = buffer * 10^(-m-1) + 10^(-m-1) * r * 2^e
@ -824,8 +823,8 @@ JSON_HEDLEY_NON_NULL(1)
inline void grisu2(char* buf, int& len, int& decimal_exponent,
diyfp m_minus, diyfp v, diyfp m_plus)
{
assert(m_plus.e == m_minus.e);
assert(m_plus.e == v.e);
JSON_ASSERT(m_plus.e == m_minus.e);
JSON_ASSERT(m_plus.e == v.e);
// --------(-----------------------+-----------------------)-------- (A)
// m- v m+
@ -886,8 +885,8 @@ void grisu2(char* buf, int& len, int& decimal_exponent, FloatType value)
static_assert(diyfp::kPrecision >= std::numeric_limits<FloatType>::digits + 3,
"internal error: not enough precision");
assert(std::isfinite(value));
assert(value > 0);
JSON_ASSERT(std::isfinite(value));
JSON_ASSERT(value > 0);
// If the neighbors (and boundaries) of 'value' are always computed for double-precision
// numbers, all float's can be recovered using strtod (and strtof). However, the resulting
@ -923,8 +922,8 @@ JSON_HEDLEY_NON_NULL(1)
JSON_HEDLEY_RETURNS_NON_NULL
inline char* append_exponent(char* buf, int e)
{
assert(e > -1000);
assert(e < 1000);
JSON_ASSERT(e > -1000);
JSON_ASSERT(e < 1000);
if (e < 0)
{
@ -976,8 +975,8 @@ JSON_HEDLEY_RETURNS_NON_NULL
inline char* format_buffer(char* buf, int len, int decimal_exponent,
int min_exp, int max_exp)
{
assert(min_exp < 0);
assert(max_exp > 0);
JSON_ASSERT(min_exp < 0);
JSON_ASSERT(max_exp > 0);
const int k = len;
const int n = len + decimal_exponent;
@ -1003,7 +1002,7 @@ inline char* format_buffer(char* buf, int len, int decimal_exponent,
// dig.its
// len <= max_digits10 + 1
assert(k > n);
JSON_ASSERT(k > n);
std::memmove(buf + (static_cast<size_t>(n) + 1), buf + n, static_cast<size_t>(k) - static_cast<size_t>(n));
buf[n] = '.';
@ -1061,7 +1060,7 @@ JSON_HEDLEY_RETURNS_NON_NULL
char* to_chars(char* first, const char* last, FloatType value)
{
static_cast<void>(last); // maybe unused - fix warning
assert(std::isfinite(value));
JSON_ASSERT(std::isfinite(value));
// Use signbit(value) instead of (value < 0) since signbit works for -0.
if (std::signbit(value))
@ -1079,7 +1078,7 @@ char* to_chars(char* first, const char* last, FloatType value)
return first;
}
assert(last - first >= std::numeric_limits<FloatType>::max_digits10);
JSON_ASSERT(last - first >= std::numeric_limits<FloatType>::max_digits10);
// Compute v = buffer * 10^decimal_exponent.
// The decimal digits are stored in the buffer, which needs to be interpreted
@ -1089,16 +1088,16 @@ char* to_chars(char* first, const char* last, FloatType value)
int decimal_exponent = 0;
dtoa_impl::grisu2(first, len, decimal_exponent, value);
assert(len <= std::numeric_limits<FloatType>::max_digits10);
JSON_ASSERT(len <= std::numeric_limits<FloatType>::max_digits10);
// Format the buffer like printf("%.*g", prec, value)
constexpr int kMinExp = -4;
// Use digits10 here to increase compatibility with version 2.
constexpr int kMaxExp = std::numeric_limits<FloatType>::digits10;
assert(last - first >= kMaxExp + 2);
assert(last - first >= 2 + (-kMinExp - 1) + std::numeric_limits<FloatType>::max_digits10);
assert(last - first >= std::numeric_limits<FloatType>::max_digits10 + 6);
JSON_ASSERT(last - first >= kMaxExp + 2);
JSON_ASSERT(last - first >= 2 + (-kMinExp - 1) + std::numeric_limits<FloatType>::max_digits10);
JSON_ASSERT(last - first >= std::numeric_limits<FloatType>::max_digits10 + 6);
return dtoa_impl::format_buffer(first, len, decimal_exponent, kMinExp, kMaxExp);
}

175
include/nlohmann/detail/input/binary_reader.hpp
View file

@ -2,7 +2,6 @@
#include <algorithm> // generate_n
#include <array> // array
#include <cassert> // assert
#include <cmath> // ldexp
#include <cstddef> // size_t
#include <cstdint> // uint8_t, uint16_t, uint32_t, uint64_t
@ -109,7 +108,7 @@ class binary_reader
break;
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
JSON_ASSERT(false); // LCOV_EXCL_LINE
}
// strict mode: next byte must be EOF
@ -145,7 +144,7 @@ class binary_reader
*/
bool parse_bson_internal()
{
std::int32_t document_size;
std::int32_t document_size{};
get_number<std::int32_t, true>(input_format_t::bson, document_size);
if (JSON_HEDLEY_UNLIKELY(not sax->start_object(std::size_t(-1))))
@ -184,8 +183,6 @@ class binary_reader
}
*out++ = static_cast<typename string_t::value_type>(current);
}
return true;
}
/*!
@ -230,7 +227,7 @@ class binary_reader
}
// All BSON binary values have a subtype
std::uint8_t subtype;
std::uint8_t subtype{};
get_number<std::uint8_t>(input_format_t::bson, subtype);
result.set_subtype(subtype);
@ -254,13 +251,13 @@ class binary_reader
{
case 0x01: // double
{
double number;
double number{};
return get_number<double, true>(input_format_t::bson, number) and sax->number_float(static_cast<number_float_t>(number), "");
}
case 0x02: // string
{
std::int32_t len;
std::int32_t len{};
string_t value;
return get_number<std::int32_t, true>(input_format_t::bson, len) and get_bson_string(len, value) and sax->string(value);
}
@ -277,7 +274,7 @@ class binary_reader
case 0x05: // binary
{
std::int32_t len;
std::int32_t len{};
binary_t value;
return get_number<std::int32_t, true>(input_format_t::bson, len) and get_bson_binary(len, value) and sax->binary(value);
}
@ -294,13 +291,13 @@ class binary_reader
case 0x10: // int32
{
std::int32_t value;
std::int32_t value{};
return get_number<std::int32_t, true>(input_format_t::bson, value) and sax->number_integer(value);
}
case 0x12: // int64
{
std::int64_t value;
std::int64_t value{};
return get_number<std::int64_t, true>(input_format_t::bson, value) and sax->number_integer(value);
}
@ -365,7 +362,7 @@ class binary_reader
*/
bool parse_bson_array()
{
std::int32_t document_size;
std::int32_t document_size{};
get_number<std::int32_t, true>(input_format_t::bson, document_size);
if (JSON_HEDLEY_UNLIKELY(not sax->start_array(std::size_t(-1))))
@ -429,25 +426,25 @@ class binary_reader
case 0x18: // Unsigned integer (one-byte uint8_t follows)
{
std::uint8_t number;
std::uint8_t number{};
return get_number(input_format_t::cbor, number) and sax->number_unsigned(number);
}
case 0x19: // Unsigned integer (two-byte uint16_t follows)
{
std::uint16_t number;
std::uint16_t number{};
return get_number(input_format_t::cbor, number) and sax->number_unsigned(number);
}
case 0x1A: // Unsigned integer (four-byte uint32_t follows)
{
std::uint32_t number;
std::uint32_t number{};
return get_number(input_format_t::cbor, number) and sax->number_unsigned(number);
}
case 0x1B: // Unsigned integer (eight-byte uint64_t follows)
{
std::uint64_t number;
std::uint64_t number{};
return get_number(input_format_t::cbor, number) and sax->number_unsigned(number);
}
@ -480,25 +477,25 @@ class binary_reader
case 0x38: // Negative integer (one-byte uint8_t follows)
{
std::uint8_t number;
std::uint8_t number{};
return get_number(input_format_t::cbor, number) and sax->number_integer(static_cast<number_integer_t>(-1) - number);
}
case 0x39: // Negative integer -1-n (two-byte uint16_t follows)
{
std::uint16_t number;
std::uint16_t number{};
return get_number(input_format_t::cbor, number) and sax->number_integer(static_cast<number_integer_t>(-1) - number);
}
case 0x3A: // Negative integer -1-n (four-byte uint32_t follows)
{
std::uint32_t number;
std::uint32_t number{};
return get_number(input_format_t::cbor, number) and sax->number_integer(static_cast<number_integer_t>(-1) - number);
}
case 0x3B: // Negative integer -1-n (eight-byte uint64_t follows)
{
std::uint64_t number;
std::uint64_t number{};
return get_number(input_format_t::cbor, number) and sax->number_integer(static_cast<number_integer_t>(-1)
- static_cast<number_integer_t>(number));
}
@ -602,25 +599,25 @@ class binary_reader
case 0x98: // array (one-byte uint8_t for n follows)
{
std::uint8_t len;
std::uint8_t len{};
return get_number(input_format_t::cbor, len) and get_cbor_array(static_cast<std::size_t>(len));
}
case 0x99: // array (two-byte uint16_t for n follow)
{
std::uint16_t len;
std::uint16_t len{};
return get_number(input_format_t::cbor, len) and get_cbor_array(static_cast<std::size_t>(len));
}
case 0x9A: // array (four-byte uint32_t for n follow)
{
std::uint32_t len;
std::uint32_t len{};
return get_number(input_format_t::cbor, len) and get_cbor_array(static_cast<std::size_t>(len));
}
case 0x9B: // array (eight-byte uint64_t for n follow)
{
std::uint64_t len;
std::uint64_t len{};
return get_number(input_format_t::cbor, len) and get_cbor_array(static_cast<std::size_t>(len));
}
@ -656,25 +653,25 @@ class binary_reader
case 0xB8: // map (one-byte uint8_t for n follows)
{
std::uint8_t len;
std::uint8_t len{};
return get_number(input_format_t::cbor, len) and get_cbor_object(static_cast<std::size_t>(len));
}
case 0xB9: // map (two-byte uint16_t for n follow)
{
std::uint16_t len;
std::uint16_t len{};
return get_number(input_format_t::cbor, len) and get_cbor_object(static_cast<std::size_t>(len));
}
case 0xBA: // map (four-byte uint32_t for n follow)
{
std::uint32_t len;
std::uint32_t len{};
return get_number(input_format_t::cbor, len) and get_cbor_object(static_cast<std::size_t>(len));
}
case 0xBB: // map (eight-byte uint64_t for n follow)
{
std::uint64_t len;
std::uint64_t len{};
return get_number(input_format_t::cbor, len) and get_cbor_object(static_cast<std::size_t>(len));
}
@ -719,8 +716,8 @@ class binary_reader
{
const int exp = (half >> 10u) & 0x1Fu;
const unsigned int mant = half & 0x3FFu;
assert(0 <= exp and exp <= 32);
assert(mant <= 1024);
JSON_ASSERT(0 <= exp and exp <= 32);
JSON_ASSERT(mant <= 1024);
switch (exp)
{
case 0:
@ -740,13 +737,13 @@ class binary_reader
case 0xFA: // Single-Precision Float (four-byte IEEE 754)
{
float number;
float number{};
return get_number(input_format_t::cbor, number) and sax->number_float(static_cast<number_float_t>(number), "");
}
case 0xFB: // Double-Precision Float (eight-byte IEEE 754)
{
double number;
double number{};
return get_number(input_format_t::cbor, number) and sax->number_float(static_cast<number_float_t>(number), "");
}
@ -809,25 +806,25 @@ class binary_reader
case 0x78: // UTF-8 string (one-byte uint8_t for n follows)
{
std::uint8_t len;
std::uint8_t len{};
return get_number(input_format_t::cbor, len) and get_string(input_format_t::cbor, len, result);
}
case 0x79: // UTF-8 string (two-byte uint16_t for n follow)
{
std::uint16_t len;
std::uint16_t len{};
return get_number(input_format_t::cbor, len) and get_string(input_format_t::cbor, len, result);
}
case 0x7A: // UTF-8 string (four-byte uint32_t for n follow)
{
std::uint32_t len;
std::uint32_t len{};
return get_number(input_format_t::cbor, len) and get_string(input_format_t::cbor, len, result);
}
case 0x7B: // UTF-8 string (eight-byte uint64_t for n follow)
{
std::uint64_t len;
std::uint64_t len{};
return get_number(input_format_t::cbor, len) and get_string(input_format_t::cbor, len, result);
}
@ -904,28 +901,28 @@ class binary_reader
case 0x58: // Binary data (one-byte uint8_t for n follows)
{
std::uint8_t len;
std::uint8_t len{};
return get_number(input_format_t::cbor, len) and
get_binary(input_format_t::cbor, len, result);
}
case 0x59: // Binary data (two-byte uint16_t for n follow)
{
std::uint16_t len;
std::uint16_t len{};
return get_number(input_format_t::cbor, len) and
get_binary(input_format_t::cbor, len, result);
}
case 0x5A: // Binary data (four-byte uint32_t for n follow)
{
std::uint32_t len;
std::uint32_t len{};
return get_number(input_format_t::cbor, len) and
get_binary(input_format_t::cbor, len, result);
}
case 0x5B: // Binary data (eight-byte uint64_t for n follow)
{
std::uint64_t len;
std::uint64_t len{};
return get_number(input_format_t::cbor, len) and
get_binary(input_format_t::cbor, len, result);
}
@ -1290,85 +1287,85 @@ class binary_reader
case 0xCA: // float 32
{
float number;
float number{};
return get_number(input_format_t::msgpack, number) and sax->number_float(static_cast<number_float_t>(number), "");
}
case 0xCB: // float 64
{
double number;
double number{};
return get_number(input_format_t::msgpack, number) and sax->number_float(static_cast<number_float_t>(number), "");
}
case 0xCC: // uint 8
{
std::uint8_t number;
std::uint8_t number{};
return get_number(input_format_t::msgpack, number) and sax->number_unsigned(number);
}
case 0xCD: // uint 16
{
std::uint16_t number;
std::uint16_t number{};
return get_number(input_format_t::msgpack, number) and sax->number_unsigned(number);
}
case 0xCE: // uint 32
{
std::uint32_t number;
std::uint32_t number{};
return get_number(input_format_t::msgpack, number) and sax->number_unsigned(number);
}
case 0xCF: // uint 64
{
std::uint64_t number;
std::uint64_t number{};
return get_number(input_format_t::msgpack, number) and sax->number_unsigned(number);
}
case 0xD0: // int 8
{
std::int8_t number;
std::int8_t number{};
return get_number(input_format_t::msgpack, number) and sax->number_integer(number);
}
case 0xD1: // int 16
{
std::int16_t number;
std::int16_t number{};
return get_number(input_format_t::msgpack, number) and sax->number_integer(number);
}
case 0xD2: // int 32
{
std::int32_t number;
std::int32_t number{};
return get_number(input_format_t::msgpack, number) and sax->number_integer(number);
}
case 0xD3: // int 64
{
std::int64_t number;
std::int64_t number{};
return get_number(input_format_t::msgpack, number) and sax->number_integer(number);
}
case 0xDC: // array 16
{
std::uint16_t len;
std::uint16_t len{};
return get_number(input_format_t::msgpack, len) and get_msgpack_array(static_cast<std::size_t>(len));
}
case 0xDD: // array 32
{
std::uint32_t len;
std::uint32_t len{};
return get_number(input_format_t::msgpack, len) and get_msgpack_array(static_cast<std::size_t>(len));
}
case 0xDE: // map 16
{
std::uint16_t len;
std::uint16_t len{};
return get_number(input_format_t::msgpack, len) and get_msgpack_object(static_cast<std::size_t>(len));
}
case 0xDF: // map 32
{
std::uint32_t len;
std::uint32_t len{};
return get_number(input_format_t::msgpack, len) and get_msgpack_object(static_cast<std::size_t>(len));
}
@ -1473,19 +1470,19 @@ class binary_reader
case 0xD9: // str 8
{
std::uint8_t len;
std::uint8_t len{};
return get_number(input_format_t::msgpack, len) and get_string(input_format_t::msgpack, len, result);
}
case 0xDA: // str 16
{
std::uint16_t len;
std::uint16_t len{};
return get_number(input_format_t::msgpack, len) and get_string(input_format_t::msgpack, len, result);
}
case 0xDB: // str 32
{
std::uint32_t len;
std::uint32_t len{};
return get_number(input_format_t::msgpack, len) and get_string(input_format_t::msgpack, len, result);
}
@ -1520,29 +1517,29 @@ class binary_reader
{
case 0xC4: // bin 8
{
std::uint8_t len;
std::uint8_t len{};
return get_number(input_format_t::msgpack, len) and
get_binary(input_format_t::msgpack, len, result);
}
case 0xC5: // bin 16
{
std::uint16_t len;
std::uint16_t len{};
return get_number(input_format_t::msgpack, len) and
get_binary(input_format_t::msgpack, len, result);
}
case 0xC6: // bin 32
{
std::uint32_t len;
std::uint32_t len{};
return get_number(input_format_t::msgpack, len) and
get_binary(input_format_t::msgpack, len, result);
}
case 0xC7: // ext 8
{
std::uint8_t len;
std::int8_t subtype;
std::uint8_t len{};
std::int8_t subtype{};
return get_number(input_format_t::msgpack, len) and
get_number(input_format_t::msgpack, subtype) and
get_binary(input_format_t::msgpack, len, result) and
@ -1551,8 +1548,8 @@ class binary_reader
case 0xC8: // ext 16
{
std::uint16_t len;
std::int8_t subtype;
std::uint16_t len{};
std::int8_t subtype{};
return get_number(input_format_t::msgpack, len) and
get_number(input_format_t::msgpack, subtype) and
get_binary(input_format_t::msgpack, len, result) and
@ -1561,8 +1558,8 @@ class binary_reader
case 0xC9: // ext 32
{
std::uint32_t len;
std::int8_t subtype;
std::uint32_t len{};
std::int8_t subtype{};
return get_number(input_format_t::msgpack, len) and
get_number(input_format_t::msgpack, subtype) and
get_binary(input_format_t::msgpack, len, result) and
@ -1571,7 +1568,7 @@ class binary_reader
case 0xD4: // fixext 1
{
std::int8_t subtype;
std::int8_t subtype{};
return get_number(input_format_t::msgpack, subtype) and
get_binary(input_format_t::msgpack, 1, result) and
assign_and_return_true(subtype);
@ -1579,7 +1576,7 @@ class binary_reader
case 0xD5: // fixext 2
{
std::int8_t subtype;
std::int8_t subtype{};
return get_number(input_format_t::msgpack, subtype) and
get_binary(input_format_t::msgpack, 2, result) and
assign_and_return_true(subtype);
@ -1587,7 +1584,7 @@ class binary_reader
case 0xD6: // fixext 4
{
std::int8_t subtype;
std::int8_t subtype{};
return get_number(input_format_t::msgpack, subtype) and
get_binary(input_format_t::msgpack, 4, result) and
assign_and_return_true(subtype);
@ -1595,7 +1592,7 @@ class binary_reader
case 0xD7: // fixext 8
{
std::int8_t subtype;
std::int8_t subtype{};
return get_number(input_format_t::msgpack, subtype) and
get_binary(input_format_t::msgpack, 8, result) and
assign_and_return_true(subtype);
@ -1603,7 +1600,7 @@ class binary_reader
case 0xD8: // fixext 16
{
std::int8_t subtype;
std::int8_t subtype{};
return get_number(input_format_t::msgpack, subtype) and
get_binary(input_format_t::msgpack, 16, result) and
assign_and_return_true(subtype);
@ -1712,31 +1709,31 @@ class binary_reader
{
case 'U':
{
std::uint8_t len;
std::uint8_t len{};
return get_number(input_format_t::ubjson, len) and get_string(input_format_t::ubjson, len, result);
}
case 'i':
{
std::int8_t len;
std::int8_t len{};
return get_number(input_format_t::ubjson, len) and get_string(input_format_t::ubjson, len, result);
}
case 'I':
{
std::int16_t len;
std::int16_t len{};
return get_number(input_format_t::ubjson, len) and get_string(input_format_t::ubjson, len, result);
}
case 'l':
{
std::int32_t len;
std::int32_t len{};
return get_number(input_format_t::ubjson, len) and get_string(input_format_t::ubjson, len, result);
}
case 'L':
{
std::int64_t len;
std::int64_t len{};
return get_number(input_format_t::ubjson, len) and get_string(input_format_t::ubjson, len, result);
}
@ -1756,7 +1753,7 @@ class binary_reader
{
case 'U':
{
std::uint8_t number;
std::uint8_t number{};
if (JSON_HEDLEY_UNLIKELY(not get_number(input_format_t::ubjson, number)))
{
return false;
@ -1767,7 +1764,7 @@ class binary_reader
case 'i':
{
std::int8_t number;
std::int8_t number{};
if (JSON_HEDLEY_UNLIKELY(not get_number(input_format_t::ubjson, number)))
{
return false;
@ -1778,7 +1775,7 @@ class binary_reader
case 'I':
{
std::int16_t number;
std::int16_t number{};
if (JSON_HEDLEY_UNLIKELY(not get_number(input_format_t::ubjson, number)))
{
return false;
@ -1789,7 +1786,7 @@ class binary_reader
case 'l':
{
std::int32_t number;
std::int32_t number{};
if (JSON_HEDLEY_UNLIKELY(not get_number(input_format_t::ubjson, number)))
{
return false;
@ -1800,7 +1797,7 @@ class binary_reader
case 'L':
{
std::int64_t number;
std::int64_t number{};
if (JSON_HEDLEY_UNLIKELY(not get_number(input_format_t::ubjson, number)))
{
return false;
@ -1885,43 +1882,43 @@ class binary_reader
case 'U':
{
std::uint8_t number;
std::uint8_t number{};
return get_number(input_format_t::ubjson, number) and sax->number_unsigned(number);
}
case 'i':
{
std::int8_t number;
std::int8_t number{};
return get_number(input_format_t::ubjson, number) and sax->number_integer(number);
}
case 'I':
{
std::int16_t number;
std::int16_t number{};
return get_number(input_format_t::ubjson, number) and sax->number_integer(number);
}
case 'l':
{
std::int32_t number;
std::int32_t number{};
return get_number(input_format_t::ubjson, number) and sax->number_integer(number);
}
case 'L':
{
std::int64_t number;
std::int64_t number{};
return get_number(input_format_t::ubjson, number) and sax->number_integer(number);
}
case 'd':
{
float number;
float number{};
return get_number(input_format_t::ubjson, number) and sax->number_float(static_cast<number_float_t>(number), "");
}
case 'D':
{
double number;
double number{};
return get_number(input_format_t::ubjson, number) and sax->number_float(static_cast<number_float_t>(number), "");
}
@ -2297,7 +2294,7 @@ class binary_reader
break;
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
JSON_ASSERT(false); // LCOV_EXCL_LINE
}
return error_msg + " " + context + ": " + detail;

13
include/nlohmann/detail/input/input_adapters.hpp
View file

@ -1,7 +1,6 @@
#pragma once
#include <array> // array
#include <cassert> // assert
#include <cstddef> // size_t
#include <cstdio> //FILE *
#include <cstring> // strlen
@ -76,7 +75,7 @@ class input_stream_adapter
{
// clear stream flags; we use underlying streambuf I/O, do not
// maintain ifstream flags, except eof
if (is)
if (is != nullptr)
{
is->clear(is->rdstate() & std::ios::eofbit);
}
@ -297,13 +296,13 @@ class wide_string_input_adapter
{
fill_buffer<sizeof(WideCharType)>();
assert(utf8_bytes_filled > 0);
assert(utf8_bytes_index == 0);
JSON_ASSERT(utf8_bytes_filled > 0);
JSON_ASSERT(utf8_bytes_index == 0);
}
// use buffer
assert(utf8_bytes_filled > 0);
assert(utf8_bytes_index < utf8_bytes_filled);
JSON_ASSERT(utf8_bytes_filled > 0);
JSON_ASSERT(utf8_bytes_index < utf8_bytes_filled);
return utf8_bytes[utf8_bytes_index++];
}
@ -411,7 +410,7 @@ template < typename CharT,
contiguous_bytes_input_adapter input_adapter(CharT b)
{
auto length = std::strlen(reinterpret_cast<const char*>(b));
auto ptr = reinterpret_cast<const char*>(b);
const auto* ptr = reinterpret_cast<const char*>(b);
return input_adapter(ptr, ptr + length);
}

49
include/nlohmann/detail/input/json_sax.hpp
View file

@ -1,6 +1,5 @@
#pragma once
#include <cassert> // assert
#include <cstddef>
#include <string> // string
#include <utility> // move
@ -269,18 +268,18 @@ class json_sax_dom_parser
switch ((ex.id / 100) % 100)
{
case 1:
JSON_THROW(*static_cast<const detail::parse_error*>(&ex));
JSON_THROW(*dynamic_cast<const detail::parse_error*>(&ex));
case 4:
JSON_THROW(*static_cast<const detail::out_of_range*>(&ex));
JSON_THROW(*dynamic_cast<const detail::out_of_range*>(&ex));
// LCOV_EXCL_START
case 2:
JSON_THROW(*static_cast<const detail::invalid_iterator*>(&ex));
JSON_THROW(*dynamic_cast<const detail::invalid_iterator*>(&ex));
case 3:
JSON_THROW(*static_cast<const detail::type_error*>(&ex));
JSON_THROW(*dynamic_cast<const detail::type_error*>(&ex));
case 5:
JSON_THROW(*static_cast<const detail::other_error*>(&ex));
JSON_THROW(*dynamic_cast<const detail::other_error*>(&ex));
default:
assert(false);
JSON_ASSERT(false);
// LCOV_EXCL_STOP
}
}
@ -309,7 +308,7 @@ class json_sax_dom_parser
return &root;
}
assert(ref_stack.back()->is_array() or ref_stack.back()->is_object());
JSON_ASSERT(ref_stack.back()->is_array() or ref_stack.back()->is_object());
if (ref_stack.back()->is_array())
{
@ -317,8 +316,8 @@ class json_sax_dom_parser
return &(ref_stack.back()->m_value.array->back());
}
assert(ref_stack.back()->is_object());
assert(object_element);
JSON_ASSERT(ref_stack.back()->is_object());
JSON_ASSERT(object_element);
*object_element = BasicJsonType(std::forward<Value>(v));
return object_element;
}
@ -447,8 +446,8 @@ class json_sax_dom_callback_parser
*ref_stack.back() = discarded;
}
assert(not ref_stack.empty());
assert(not keep_stack.empty());
JSON_ASSERT(not ref_stack.empty());
JSON_ASSERT(not keep_stack.empty());
ref_stack.pop_back();
keep_stack.pop_back();
@ -499,8 +498,8 @@ class json_sax_dom_callback_parser
}
}
assert(not ref_stack.empty());
assert(not keep_stack.empty());
JSON_ASSERT(not ref_stack.empty());
JSON_ASSERT(not keep_stack.empty());
ref_stack.pop_back();
keep_stack.pop_back();
@ -523,18 +522,18 @@ class json_sax_dom_callback_parser
switch ((ex.id / 100) % 100)
{
case 1:
JSON_THROW(*static_cast<const detail::parse_error*>(&ex));
JSON_THROW(*dynamic_cast<const detail::parse_error*>(&ex));
case 4:
JSON_THROW(*static_cast<const detail::out_of_range*>(&ex));
JSON_THROW(*dynamic_cast<const detail::out_of_range*>(&ex));
// LCOV_EXCL_START
case 2:
JSON_THROW(*static_cast<const detail::invalid_iterator*>(&ex));
JSON_THROW(*dynamic_cast<const detail::invalid_iterator*>(&ex));
case 3:
JSON_THROW(*static_cast<const detail::type_error*>(&ex));
JSON_THROW(*dynamic_cast<const detail::type_error*>(&ex));
case 5:
JSON_THROW(*static_cast<const detail::other_error*>(&ex));
JSON_THROW(*dynamic_cast<const detail::other_error*>(&ex));
default:
assert(false);
JSON_ASSERT(false);
// LCOV_EXCL_STOP
}
}
@ -565,7 +564,7 @@ class json_sax_dom_callback_parser
template<typename Value>
std::pair<bool, BasicJsonType*> handle_value(Value&& v, const bool skip_callback = false)
{
assert(not keep_stack.empty());
JSON_ASSERT(not keep_stack.empty());
// do not handle this value if we know it would be added to a discarded
// container
@ -600,7 +599,7 @@ class json_sax_dom_callback_parser
}
// we now only expect arrays and objects
assert(ref_stack.back()->is_array() or ref_stack.back()->is_object());
JSON_ASSERT(ref_stack.back()->is_array() or ref_stack.back()->is_object());
// array
if (ref_stack.back()->is_array())
@ -610,9 +609,9 @@ class json_sax_dom_callback_parser
}
// object
assert(ref_stack.back()->is_object());
JSON_ASSERT(ref_stack.back()->is_object());
// check if we should store an element for the current key
assert(not key_keep_stack.empty());
JSON_ASSERT(not key_keep_stack.empty());
const bool store_element = key_keep_stack.back();
key_keep_stack.pop_back();
@ -621,7 +620,7 @@ class json_sax_dom_callback_parser
return {false, nullptr};
}
assert(object_element);
JSON_ASSERT(object_element);
*object_element = std::move(value);
return {true, object_element};
}

130
include/nlohmann/detail/input/lexer.hpp
View file

@ -112,8 +112,11 @@ class lexer : public lexer_base<BasicJsonType>
public:
using token_type = typename lexer_base<BasicJsonType>::token_type;
explicit lexer(InputAdapterType&& adapter)
: ia(std::move(adapter)), decimal_point_char(static_cast<char_int_type>(get_decimal_point())) {}
explicit lexer(InputAdapterType&& adapter, bool ignore_comments_ = false)
: ia(std::move(adapter))
, ignore_comments(ignore_comments_)
, decimal_point_char(static_cast<char_int_type>(get_decimal_point()))
{}
// delete because of pointer members
lexer(const lexer&) = delete;
@ -131,8 +134,8 @@ class lexer : public lexer_base<BasicJsonType>
JSON_HEDLEY_PURE
static char get_decimal_point() noexcept
{
const auto loc = localeconv();
assert(loc != nullptr);
const auto* loc = localeconv();
JSON_ASSERT(loc != nullptr);
return (loc->decimal_point == nullptr) ? '.' : *(loc->decimal_point);
}
@ -158,7 +161,7 @@ class lexer : public lexer_base<BasicJsonType>
int get_codepoint()
{
// this function only makes sense after reading `\u`
assert(current == 'u');
JSON_ASSERT(current == 'u');
int codepoint = 0;
const auto factors = { 12u, 8u, 4u, 0u };
@ -184,7 +187,7 @@ class lexer : public lexer_base<BasicJsonType>
}
}
assert(0x0000 <= codepoint and codepoint <= 0xFFFF);
JSON_ASSERT(0x0000 <= codepoint and codepoint <= 0xFFFF);
return codepoint;
}
@ -205,7 +208,7 @@ class lexer : public lexer_base<BasicJsonType>
*/
bool next_byte_in_range(std::initializer_list<char_int_type> ranges)
{
assert(ranges.size() == 2 or ranges.size() == 4 or ranges.size() == 6);
JSON_ASSERT(ranges.size() == 2 or ranges.size() == 4 or ranges.size() == 6);
add(current);
for (auto range = ranges.begin(); range != ranges.end(); ++range)
@ -246,7 +249,7 @@ class lexer : public lexer_base<BasicJsonType>
reset();
// we entered the function by reading an open quote
assert(current == '\"');
JSON_ASSERT(current == '\"');
while (true)
{
@ -366,7 +369,7 @@ class lexer : public lexer_base<BasicJsonType>
}
// result of the above calculation yields a proper codepoint
assert(0x00 <= codepoint and codepoint <= 0x10FFFF);
JSON_ASSERT(0x00 <= codepoint and codepoint <= 0x10FFFF);
// translate codepoint into bytes
if (codepoint < 0x80)
@ -826,6 +829,77 @@ class lexer : public lexer_base<BasicJsonType>
}
}
/*!
* @brief scan a comment
* @return whether comment could be scanned successfully
*/
bool scan_comment()
{
switch (get())
{
// single-line comments skip input until a newline or EOF is read
case '/':
{
while (true)
{
switch (get())
{
case '\n':
case '\r':
case std::char_traits<char_type>::eof():
case '\0':
return true;
default:
break;
}
}
}
// multi-line comments skip input until */ is read
case '*':
{
while (true)
{
switch (get())
{
case std::char_traits<char_type>::eof():
case '\0':
{
error_message = "invalid comment; missing closing '*/'";
return false;
}
case '*':
{
switch (get())
{
case '/':
return true;
default:
{
unget();
break;
}
}
}
default:
break;
}
}
}
// unexpected character after reading '/'
default:
{
error_message = "invalid comment; expecting '/' or '*' after '/'";
return false;
}
}
}
JSON_HEDLEY_NON_NULL(2)
static void strtof(float& f, const char* str, char** endptr) noexcept
{
@ -924,7 +998,7 @@ class lexer : public lexer_base<BasicJsonType>
// all other characters are rejected outside scan_number()
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
JSON_ASSERT(false); // LCOV_EXCL_LINE
}
scan_number_minus:
@ -1171,7 +1245,7 @@ scan_number_done:
const auto x = std::strtoull(token_buffer.data(), &endptr, 10);
// we checked the number format before
assert(endptr == token_buffer.data() + token_buffer.size());
JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size());
if (errno == 0)
{
@ -1187,7 +1261,7 @@ scan_number_done:
const auto x = std::strtoll(token_buffer.data(), &endptr, 10);
// we checked the number format before
assert(endptr == token_buffer.data() + token_buffer.size());
JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size());
if (errno == 0)
{
@ -1204,7 +1278,7 @@ scan_number_done:
strtof(value_float, token_buffer.data(), &endptr);
// we checked the number format before
assert(endptr == token_buffer.data() + token_buffer.size());
JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size());
return token_type::value_float;
}
@ -1218,7 +1292,7 @@ scan_number_done:
token_type scan_literal(const char_type* literal_text, const std::size_t length,
token_type return_type)
{
assert(std::char_traits<char_type>::to_char_type(current) == literal_text[0]);
JSON_ASSERT(std::char_traits<char_type>::to_char_type(current) == literal_text[0]);
for (std::size_t i = 1; i < length; ++i)
{
if (JSON_HEDLEY_UNLIKELY(std::char_traits<char_type>::to_char_type(get()) != literal_text[i]))
@ -1310,7 +1384,7 @@ scan_number_done:
if (JSON_HEDLEY_LIKELY(current != std::char_traits<char_type>::eof()))
{
assert(not token_string.empty());
JSON_ASSERT(not token_string.empty());
token_string.pop_back();
}
}
@ -1415,6 +1489,15 @@ scan_number_done:
return true;
}
void skip_whitespace()
{
do
{
get();
}
while (current == ' ' or current == '\t' or current == '\n' or current == '\r');
}
token_type scan()
{
// initially, skip the BOM
@ -1425,11 +1508,19 @@ scan_number_done:
}
// read next character and ignore whitespace
do
skip_whitespace();
// ignore comments
if (ignore_comments and current == '/')
{
get();
if (not scan_comment())
{
return token_type::parse_error;
}
// skip following whitespace
skip_whitespace();
}
while (current == ' ' or current == '\t' or current == '\n' or current == '\r');
switch (current)
{
@ -1499,6 +1590,9 @@ scan_number_done:
/// input adapter
InputAdapterType ia;
/// whether comments should be ignored (true) or signaled as errors (false)
const bool ignore_comments = false;
/// the current character
char_int_type current = std::char_traits<char_type>::eof();

12
include/nlohmann/detail/input/parser.hpp
View file

@ -1,6 +1,5 @@
#pragma once
#include <cassert> // assert
#include <cmath> // isfinite
#include <cstdint> // uint8_t
#include <functional> // function
@ -63,8 +62,11 @@ class parser
/// a parser reading from an input adapter
explicit parser(InputAdapterType&& adapter,
const parser_callback_t<BasicJsonType> cb = nullptr,
const bool allow_exceptions_ = true)
: callback(cb), m_lexer(std::move(adapter)), allow_exceptions(allow_exceptions_)
const bool allow_exceptions_ = true,
const bool skip_comments = false)
: callback(cb)
, m_lexer(std::move(adapter), skip_comments)
, allow_exceptions(allow_exceptions_)
{
// read first token
get_token();
@ -380,7 +382,7 @@ class parser
// new value, we need to evaluate the new state first.
// By setting skip_to_state_evaluation to false, we
// are effectively jumping to the beginning of this if.
assert(not states.empty());
JSON_ASSERT(not states.empty());
states.pop_back();
skip_to_state_evaluation = true;
continue;
@ -436,7 +438,7 @@ class parser
// new value, we need to evaluate the new state first.
// By setting skip_to_state_evaluation to false, we
// are effectively jumping to the beginning of this if.
assert(not states.empty());
JSON_ASSERT(not states.empty());
states.pop_back();
skip_to_state_evaluation = true;
continue;

2
include/nlohmann/detail/iterators/internal_iterator.hpp
View file

@ -18,8 +18,6 @@ template<typename BasicJsonType> struct internal_iterator
typename BasicJsonType::object_t::iterator object_iterator {};
/// iterator for JSON arrays
typename BasicJsonType::array_t::iterator array_iterator {};
/// iterator for JSON binary arrays
typename BasicJsonType::binary_t::container_type::iterator binary_iterator {};
/// generic iterator for all other types
primitive_iterator_t primitive_iterator {};
};

34
include/nlohmann/detail/iterators/iter_impl.hpp
View file

@ -85,7 +85,7 @@ class iter_impl
*/
explicit iter_impl(pointer object) noexcept : m_object(object)
{
assert(m_object != nullptr);
JSON_ASSERT(m_object != nullptr);
switch (m_object->m_type)
{
@ -171,7 +171,7 @@ class iter_impl
*/
void set_begin() noexcept
{
assert(m_object != nullptr);
JSON_ASSERT(m_object != nullptr);
switch (m_object->m_type)
{
@ -208,7 +208,7 @@ class iter_impl
*/
void set_end() noexcept
{
assert(m_object != nullptr);
JSON_ASSERT(m_object != nullptr);
switch (m_object->m_type)
{
@ -239,19 +239,19 @@ class iter_impl
*/
reference operator*() const
{
assert(m_object != nullptr);
JSON_ASSERT(m_object != nullptr);
switch (m_object->m_type)
{
case value_t::object:
{
assert(m_it.object_iterator != m_object->m_value.object->end());
JSON_ASSERT(m_it.object_iterator != m_object->m_value.object->end());
return m_it.object_iterator->second;
}
case value_t::array:
{
assert(m_it.array_iterator != m_object->m_value.array->end());
JSON_ASSERT(m_it.array_iterator != m_object->m_value.array->end());
return *m_it.array_iterator;
}
@ -276,19 +276,19 @@ class iter_impl
*/
pointer operator->() const
{
assert(m_object != nullptr);
JSON_ASSERT(m_object != nullptr);
switch (m_object->m_type)
{
case value_t::object:
{
assert(m_it.object_iterator != m_object->m_value.object->end());
JSON_ASSERT(m_it.object_iterator != m_object->m_value.object->end());
return &(m_it.object_iterator->second);
}
case value_t::array:
{
assert(m_it.array_iterator != m_object->m_value.array->end());
JSON_ASSERT(m_it.array_iterator != m_object->m_value.array->end());
return &*m_it.array_iterator;
}
@ -321,7 +321,7 @@ class iter_impl
*/
iter_impl& operator++()
{
assert(m_object != nullptr);
JSON_ASSERT(m_object != nullptr);
switch (m_object->m_type)
{
@ -364,7 +364,7 @@ class iter_impl
*/
iter_impl& operator--()
{
assert(m_object != nullptr);
JSON_ASSERT(m_object != nullptr);
switch (m_object->m_type)
{
@ -402,7 +402,7 @@ class iter_impl
JSON_THROW(invalid_iterator::create(212, "cannot compare iterators of different containers"));
}
assert(m_object != nullptr);
JSON_ASSERT(m_object != nullptr);
switch (m_object->m_type)
{
@ -438,7 +438,7 @@ class iter_impl
JSON_THROW(invalid_iterator::create(212, "cannot compare iterators of different containers"));
}
assert(m_object != nullptr);
JSON_ASSERT(m_object != nullptr);
switch (m_object->m_type)
{
@ -486,7 +486,7 @@ class iter_impl
*/
iter_impl& operator+=(difference_type i)
{
assert(m_object != nullptr);
JSON_ASSERT(m_object != nullptr);
switch (m_object->m_type)
{
@ -557,7 +557,7 @@ class iter_impl
*/
difference_type operator-(const iter_impl& other) const
{
assert(m_object != nullptr);
JSON_ASSERT(m_object != nullptr);
switch (m_object->m_type)
{
@ -578,7 +578,7 @@ class iter_impl
*/
reference operator[](difference_type n) const
{
assert(m_object != nullptr);
JSON_ASSERT(m_object != nullptr);
switch (m_object->m_type)
{
@ -609,7 +609,7 @@ class iter_impl
*/
const typename object_t::key_type& key() const
{
assert(m_object != nullptr);
JSON_ASSERT(m_object != nullptr);
if (JSON_HEDLEY_LIKELY(m_object->is_object()))
{

6
include/nlohmann/detail/iterators/iteration_proxy.hpp
View file

@ -15,7 +15,9 @@ namespace detail
template<typename string_type>
void int_to_string( string_type& target, std::size_t value )
{
target = std::to_string(value);
// For ADL
using std::to_string;
target = to_string(value);
}
template <typename IteratorType> class iteration_proxy_value
{
@ -72,7 +74,7 @@ template <typename IteratorType> class iteration_proxy_value
/// return key of the iterator
const string_type& key() const
{
assert(anchor.m_object != nullptr);
JSON_ASSERT(anchor.m_object != nullptr);
switch (anchor.m_object->type())
{

46
include/nlohmann/detail/json_pointer.hpp
View file

@ -1,8 +1,8 @@
#pragma once
#include <algorithm> // all_of
#include <cassert> // assert
#include <cctype> // isdigit
#include <limits> // max
#include <numeric> // accumulate
#include <string> // string
#include <utility> // move
@ -325,10 +325,15 @@ class json_pointer
@return integer representation of @a s
@throw parse_error.106 if an array index begins with '0'
@throw parse_error.109 if an array index begins not with a digit
@throw out_of_range.404 if string @a s could not be converted to an integer
@throw out_of_range.410 if an array index exceeds size_type
*/
static int array_index(const std::string& s)
static typename BasicJsonType::size_type array_index(const std::string& s)
{
using size_type = typename BasicJsonType::size_type;
// error condition (cf. RFC 6901, Sect. 4)
if (JSON_HEDLEY_UNLIKELY(s.size() > 1 and s[0] == '0'))
{
@ -344,10 +349,10 @@ class json_pointer
}
std::size_t processed_chars = 0;
int res = 0;
unsigned long long res = 0;
JSON_TRY
{
res = std::stoi(s, &processed_chars);
res = std::stoull(s, &processed_chars);
}
JSON_CATCH(std::out_of_range&)
{
@ -360,7 +365,14 @@ class json_pointer
JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + s + "'"));
}
return res;
// only triggered on special platforms (like 32bit), see also
// https://github.com/nlohmann/json/pull/2203
if (res >= static_cast<unsigned long long>((std::numeric_limits<size_type>::max)()))
{
JSON_THROW(detail::out_of_range::create(410, "array index " + s + " exceeds size_type")); // LCOV_EXCL_LINE
}
return static_cast<size_type>(res);
}
json_pointer top() const
@ -385,7 +397,6 @@ class json_pointer
*/
BasicJsonType& get_and_create(BasicJsonType& j) const
{
using size_type = typename BasicJsonType::size_type;
auto result = &j;
// in case no reference tokens exist, return a reference to the JSON value
@ -419,7 +430,7 @@ class json_pointer
case detail::value_t::array:
{
// create an entry in the array
result = &result->operator[](static_cast<size_type>(array_index(reference_token)));
result = &result->operator[](array_index(reference_token));
break;
}
@ -458,7 +469,6 @@ class json_pointer
*/
BasicJsonType& get_unchecked(BasicJsonType* ptr) const
{
using size_type = typename BasicJsonType::size_type;
for (const auto& reference_token : reference_tokens)
{
// convert null values to arrays or objects before continuing
@ -497,8 +507,7 @@ class json_pointer
else
{
// convert array index to number; unchecked access
ptr = &ptr->operator[](
static_cast<size_type>(array_index(reference_token)));
ptr = &ptr->operator[](array_index(reference_token));
}
break;
}
@ -519,7 +528,6 @@ class json_pointer
*/
BasicJsonType& get_checked(BasicJsonType* ptr) const
{
using size_type = typename BasicJsonType::size_type;
for (const auto& reference_token : reference_tokens)
{
switch (ptr->type())
@ -542,7 +550,7 @@ class json_pointer
}
// note: at performs range check
ptr = &ptr->at(static_cast<size_type>(array_index(reference_token)));
ptr = &ptr->at(array_index(reference_token));
break;
}
@ -569,7 +577,6 @@ class json_pointer
*/
const BasicJsonType& get_unchecked(const BasicJsonType* ptr) const
{
using size_type = typename BasicJsonType::size_type;
for (const auto& reference_token : reference_tokens)
{
switch (ptr->type())
@ -592,8 +599,7 @@ class json_pointer
}
// use unchecked array access
ptr = &ptr->operator[](
static_cast<size_type>(array_index(reference_token)));
ptr = &ptr->operator[](array_index(reference_token));
break;
}
@ -613,7 +619,6 @@ class json_pointer
*/
const BasicJsonType& get_checked(const BasicJsonType* ptr) const
{
using size_type = typename BasicJsonType::size_type;
for (const auto& reference_token : reference_tokens)
{
switch (ptr->type())
@ -636,7 +641,7 @@ class json_pointer
}
// note: at performs range check
ptr = &ptr->at(static_cast<size_type>(array_index(reference_token)));
ptr = &ptr->at(array_index(reference_token));
break;
}
@ -654,7 +659,6 @@ class json_pointer
*/
bool contains(const BasicJsonType* ptr) const
{
using size_type = typename BasicJsonType::size_type;
for (const auto& reference_token : reference_tokens)
{
switch (ptr->type())
@ -700,7 +704,7 @@ class json_pointer
}
}
const auto idx = static_cast<size_type>(array_index(reference_token));
const auto idx = array_index(reference_token);
if (idx >= ptr->size())
{
// index out of range
@ -776,7 +780,7 @@ class json_pointer
pos != std::string::npos;
pos = reference_token.find_first_of('~', pos + 1))
{
assert(reference_token[pos] == '~');
JSON_ASSERT(reference_token[pos] == '~');
// ~ must be followed by 0 or 1
if (JSON_HEDLEY_UNLIKELY(pos == reference_token.size() - 1 or
@ -811,7 +815,7 @@ class json_pointer
static void replace_substring(std::string& s, const std::string& f,
const std::string& t)
{
assert(not f.empty());
JSON_ASSERT(not f.empty());
for (auto pos = s.find(f); // find first occurrence of f
pos != std::string::npos; // make sure f was found
s.replace(pos, f.size(), t), // replace with t, and

19
include/nlohmann/detail/json_ref.hpp
View file

@ -16,23 +16,30 @@ class json_ref
using value_type = BasicJsonType;
json_ref(value_type&& value)
: owned_value(std::move(value)), value_ref(&owned_value), is_rvalue(true)
: owned_value(std::move(value))
, value_ref(&owned_value)
, is_rvalue(true)
{}
json_ref(const value_type& value)
: value_ref(const_cast<value_type*>(&value)), is_rvalue(false)
: value_ref(const_cast<value_type*>(&value))
, is_rvalue(false)
{}
json_ref(std::initializer_list<json_ref> init)
: owned_value(init), value_ref(&owned_value), is_rvalue(true)
: owned_value(init)
, value_ref(&owned_value)
, is_rvalue(true)
{}
template <
class... Args,
enable_if_t<std::is_constructible<value_type, Args...>::value, int> = 0 >
json_ref(Args && ... args)
: owned_value(std::forward<Args>(args)...), value_ref(&owned_value),
is_rvalue(true) {}
: owned_value(std::forward<Args>(args)...)
, value_ref(&owned_value)
, is_rvalue(true)
{}
// class should be movable only
json_ref(json_ref&&) = default;
@ -63,7 +70,7 @@ class json_ref
private:
mutable value_type owned_value = nullptr;
value_type* value_ref = nullptr;
const bool is_rvalue;
const bool is_rvalue = true;
};
} // namespace detail
} // namespace nlohmann

53
include/nlohmann/detail/macro_scope.hpp
View file

@ -20,7 +20,11 @@
#endif
// C++ language standard detection
#if (defined(__cplusplus) && __cplusplus >= 201703L) || (defined(_HAS_CXX17) && _HAS_CXX17 == 1) // fix for issue #464
#if (defined(__cplusplus) && __cplusplus >= 202002L) || (defined(_MSVC_LANG) && _MSVC_LANG >= 202002L)
#define JSON_HAS_CPP_20
#define JSON_HAS_CPP_17
#define JSON_HAS_CPP_14
#elif (defined(__cplusplus) && __cplusplus >= 201703L) || (defined(_HAS_CXX17) && _HAS_CXX17 == 1) // fix for issue #464
#define JSON_HAS_CPP_17
#define JSON_HAS_CPP_14
#elif (defined(__cplusplus) && __cplusplus >= 201402L) || (defined(_HAS_CXX14) && _HAS_CXX14 == 1)
@ -73,6 +77,12 @@
#define JSON_INTERNAL_CATCH JSON_INTERNAL_CATCH_USER
#endif
// allow to override assert
#if !defined(JSON_ASSERT)
#include <cassert> // assert
#define JSON_ASSERT(x) assert(x)
#endif
/*!
@brief macro to briefly define a mapping between an enum and JSON
@def NLOHMANN_JSON_SERIALIZE_ENUM
@ -120,3 +130,44 @@
basic_json<ObjectType, ArrayType, StringType, BooleanType, \
NumberIntegerType, NumberUnsignedType, NumberFloatType, \
AllocatorType, JSONSerializer, BinaryType>
// Macros to simplify conversion from/to types
#define NLOHMANN_JSON_EXPAND( x ) x
#define NLOHMANN_JSON_GET_MACRO(_1,_2,_3,_4,_5,_6, _7, _8, _9, _10, _11, NAME,...) NAME
#define NLOHMANN_JSON_PASTE(...) NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_GET_MACRO(__VA_ARGS__, NLOHMANN_JSON_PASTE11, \
NLOHMANN_JSON_PASTE10, NLOHMANN_JSON_PASTE9, NLOHMANN_JSON_PASTE8, NLOHMANN_JSON_PASTE7, \
NLOHMANN_JSON_PASTE6, NLOHMANN_JSON_PASTE5, NLOHMANN_JSON_PASTE4, NLOHMANN_JSON_PASTE3, \
NLOHMANN_JSON_PASTE2, NLOHMANN_JSON_PASTE1)(__VA_ARGS__))
#define NLOHMANN_JSON_PASTE2(func, v1) func(v1)
#define NLOHMANN_JSON_PASTE3(func, v1, v2) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE2(func, v2)
#define NLOHMANN_JSON_PASTE4(func, v1, v2, v3) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE3(func, v2, v3)
#define NLOHMANN_JSON_PASTE5(func, v1, v2, v3, v4) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE4(func, v2, v3, v4)
#define NLOHMANN_JSON_PASTE6(func, v1, v2, v3, v4, v5) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE5(func, v2, v3, v4, v5)
#define NLOHMANN_JSON_PASTE7(func, v1, v2, v3, v4, v5, v6) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE6(func, v2, v3, v4, v5, v6)
#define NLOHMANN_JSON_PASTE8(func, v1, v2, v3, v4, v5, v6, v7) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE7(func, v2, v3, v4, v5, v6, v7)
#define NLOHMANN_JSON_PASTE9(func, v1, v2, v3, v4, v5, v6, v7, v8) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE8(func, v2, v3, v4, v5, v6, v7, v8)
#define NLOHMANN_JSON_PASTE10(func, v1, v2, v3, v4, v5, v6, v7, v8, v9) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE8(func, v2, v3, v4, v5, v6, v7, v8, v9)
#define NLOHMANN_JSON_PASTE11(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE8(func, v2, v3, v4, v5, v6, v7, v8, v9, v10)
#define NLOHMANN_JSON_TO(v1) j[#v1] = t.v1;
#define NLOHMANN_JSON_FROM(v1) j.at(#v1).get_to(t.v1);
/*!
@brief macro
@def NLOHMANN_DEFINE_TYPE_INTRUSIVE
@since version 3.9.0
*/
#define NLOHMANN_DEFINE_TYPE_INTRUSIVE(Type, ...) \
friend void to_json(nlohmann::json& j, const Type& t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \
friend void from_json(const nlohmann::json& j, Type& t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM, __VA_ARGS__)) }
/*!
@brief macro
@def NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE
@since version 3.9.0
*/
#define NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(Type, ...) \
void to_json(nlohmann::json& j, const Type& t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \
void from_json(const nlohmann::json& j, Type& t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM, __VA_ARGS__)) }

1
include/nlohmann/detail/macro_unscope.hpp
View file

@ -9,6 +9,7 @@
#endif
// clean up
#undef JSON_ASSERT
#undef JSON_INTERNAL_CATCH
#undef JSON_CATCH
#undef JSON_THROW

75
include/nlohmann/detail/output/binary_writer.hpp
View file

@ -28,6 +28,7 @@ class binary_writer
{
using string_t = typename BasicJsonType::string_t;
using binary_t = typename BasicJsonType::binary_t;
using number_float_t = typename BasicJsonType::number_float_t;
public:
/*!
@ -37,7 +38,7 @@ class binary_writer
*/
explicit binary_writer(output_adapter_t<CharType> adapter) : oa(adapter)
{
assert(oa);
JSON_ASSERT(oa);
}
/*!
@ -194,18 +195,7 @@ class binary_writer
}
else
{
if (static_cast<double>(j.m_value.number_float) >= static_cast<double>(std::numeric_limits<float>::lowest()) and
static_cast<double>(j.m_value.number_float) <= static_cast<double>((std::numeric_limits<float>::max)()) and
static_cast<double>(static_cast<float>(j.m_value.number_float)) == static_cast<double>(j.m_value.number_float))
{
oa->write_character(get_cbor_float_prefix(static_cast<float>(j.m_value.number_float)));
write_number(static_cast<float>(j.m_value.number_float));
}
else
{
oa->write_character(get_cbor_float_prefix(j.m_value.number_float));
write_number(j.m_value.number_float);
}
write_compact_float(j.m_value.number_float, detail::input_format_t::cbor);
}
break;
}
@ -504,8 +494,7 @@ class binary_writer
case value_t::number_float:
{
oa->write_character(get_msgpack_float_prefix(j.m_value.number_float));
write_number(j.m_value.number_float);
write_compact_float(j.m_value.number_float, detail::input_format_t::msgpack);
break;
}
@ -584,7 +573,7 @@ class binary_writer
const auto N = j.m_value.binary->size();
if (N <= (std::numeric_limits<std::uint8_t>::max)())
{
std::uint8_t output_type;
std::uint8_t output_type{};
bool fixed = true;
if (use_ext)
{
@ -626,30 +615,18 @@ class binary_writer
}
else if (N <= (std::numeric_limits<std::uint16_t>::max)())
{
std::uint8_t output_type;
if (use_ext)
{
output_type = 0xC8; // ext 16
}
else
{
output_type = 0xC5; // bin 16
}
std::uint8_t output_type = use_ext
? 0xC8 // ext 16
: 0xC5; // bin 16
oa->write_character(to_char_type(output_type));
write_number(static_cast<std::uint16_t>(N));
}
else if (N <= (std::numeric_limits<std::uint32_t>::max)())
{
std::uint8_t output_type;
if (use_ext)
{
output_type = 0xC9; // ext 32
}
else
{
output_type = 0xC6; // bin 32
}
std::uint8_t output_type = use_ext
? 0xC9 // ext 32
: 0xC6; // bin 32
oa->write_character(to_char_type(output_type));
write_number(static_cast<std::uint32_t>(N));
@ -777,7 +754,7 @@ class binary_writer
bool prefix_required = true;
if (use_type and not j.m_value.array->empty())
{
assert(use_count);
JSON_ASSERT(use_count);
const CharType first_prefix = ubjson_prefix(j.front());
const bool same_prefix = std::all_of(j.begin() + 1, j.end(),
[this, first_prefix](const BasicJsonType & v)
@ -821,7 +798,7 @@ class binary_writer
if (use_type and not j.m_value.binary->empty())
{
assert(use_count);
JSON_ASSERT(use_count);
oa->write_character(to_char_type('$'));
oa->write_character('U');
}
@ -865,7 +842,7 @@ class binary_writer
bool prefix_required = true;
if (use_type and not j.m_value.object->empty())
{
assert(use_count);
JSON_ASSERT(use_count);
const CharType first_prefix = ubjson_prefix(j.front());
const bool same_prefix = std::all_of(j.begin(), j.end(),
[this, first_prefix](const BasicJsonType & v)
@ -1157,7 +1134,7 @@ class binary_writer
// LCOV_EXCL_START
default:
assert(false);
JSON_ASSERT(false);
return 0ul;
// LCOV_EXCL_STOP
}
@ -1204,7 +1181,7 @@ class binary_writer
// LCOV_EXCL_START
default:
assert(false);
JSON_ASSERT(false);
return;
// LCOV_EXCL_STOP
}
@ -1518,6 +1495,26 @@ class binary_writer
oa->write_characters(vec.data(), sizeof(NumberType));
}
void write_compact_float(const number_float_t n, detail::input_format_t format)
{
if (static_cast<double>(n) >= static_cast<double>(std::numeric_limits<float>::lowest()) and
static_cast<double>(n) <= static_cast<double>((std::numeric_limits<float>::max)()) and
static_cast<double>(static_cast<float>(n)) == static_cast<double>(n))
{
oa->write_character(format == detail::input_format_t::cbor
? get_cbor_float_prefix(static_cast<float>(n))
: get_msgpack_float_prefix(static_cast<float>(n)));
write_number(static_cast<float>(n));
}
else
{
oa->write_character(format == detail::input_format_t::cbor
? get_cbor_float_prefix(n)
: get_msgpack_float_prefix(n));
write_number(n);
}
}
public:
// The following to_char_type functions are implement the conversion
// between uint8_t and CharType. In case CharType is not unsigned,

39
include/nlohmann/detail/output/serializer.hpp
View file

@ -2,14 +2,13 @@
#include <algorithm> // reverse, remove, fill, find, none_of
#include <array> // array
#include <cassert> // assert
#include <clocale> // localeconv, lconv
#include <cmath> // labs, isfinite, isnan, signbit
#include <cstddef> // size_t, ptrdiff_t
#include <cstdint> // uint8_t
#include <cstdio> // snprintf
#include <limits> // numeric_limits
#include <string> // string
#include <string> // string, char_traits
#include <type_traits> // is_same
#include <utility> // move
@ -59,8 +58,8 @@ class serializer
error_handler_t error_handler_ = error_handler_t::strict)
: o(std::move(s))
, loc(std::localeconv())
, thousands_sep(loc->thousands_sep == nullptr ? '\0' : * (loc->thousands_sep))
, decimal_point(loc->decimal_point == nullptr ? '\0' : * (loc->decimal_point))
, thousands_sep(loc->thousands_sep == nullptr ? '\0' : std::char_traits<char>::to_char_type(* (loc->thousands_sep)))
, decimal_point(loc->decimal_point == nullptr ? '\0' : std::char_traits<char>::to_char_type(* (loc->decimal_point)))
, indent_char(ichar)
, indent_string(512, indent_char)
, error_handler(error_handler_)
@ -135,8 +134,8 @@ class serializer
}
// last element
assert(i != val.m_value.object->cend());
assert(std::next(i) == val.m_value.object->cend());
JSON_ASSERT(i != val.m_value.object->cend());
JSON_ASSERT(std::next(i) == val.m_value.object->cend());
o->write_characters(indent_string.c_str(), new_indent);
o->write_character('\"');
dump_escaped(i->first, ensure_ascii);
@ -163,8 +162,8 @@ class serializer
}
// last element
assert(i != val.m_value.object->cend());
assert(std::next(i) == val.m_value.object->cend());
JSON_ASSERT(i != val.m_value.object->cend());
JSON_ASSERT(std::next(i) == val.m_value.object->cend());
o->write_character('\"');
dump_escaped(i->first, ensure_ascii);
o->write_characters("\":", 2);
@ -205,7 +204,7 @@ class serializer
}
// last element
assert(not val.m_value.array->empty());
JSON_ASSERT(not val.m_value.array->empty());
o->write_characters(indent_string.c_str(), new_indent);
dump(val.m_value.array->back(), true, ensure_ascii, indent_step, new_indent);
@ -226,7 +225,7 @@ class serializer
}
// last element
assert(not val.m_value.array->empty());
JSON_ASSERT(not val.m_value.array->empty());
dump(val.m_value.array->back(), false, ensure_ascii, indent_step, current_indent);
o->write_character(']');
@ -360,7 +359,7 @@ class serializer
}
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
JSON_ASSERT(false); // LCOV_EXCL_LINE
}
}
@ -559,7 +558,7 @@ class serializer
}
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
JSON_ASSERT(false); // LCOV_EXCL_LINE
}
break;
}
@ -622,7 +621,7 @@ class serializer
}
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
JSON_ASSERT(false); // LCOV_EXCL_LINE
}
}
}
@ -723,7 +722,7 @@ class serializer
}
// spare 1 byte for '\0'
assert(n_chars < number_buffer.size() - 1);
JSON_ASSERT(n_chars < number_buffer.size() - 1);
// jump to the end to generate the string from backward
// so we later avoid reversing the result
@ -799,9 +798,9 @@ class serializer
std::ptrdiff_t len = (std::snprintf)(number_buffer.data(), number_buffer.size(), "%.*g", d, x);
// negative value indicates an error
assert(len > 0);
JSON_ASSERT(len > 0);
// check if buffer was large enough
assert(static_cast<std::size_t>(len) < number_buffer.size());
JSON_ASSERT(static_cast<std::size_t>(len) < number_buffer.size());
// erase thousands separator
if (thousands_sep != '\0')
@ -809,7 +808,7 @@ class serializer
const auto end = std::remove(number_buffer.begin(),
number_buffer.begin() + len, thousands_sep);
std::fill(end, number_buffer.end(), '\0');
assert((end - number_buffer.begin()) <= len);
JSON_ASSERT((end - number_buffer.begin()) <= len);
len = (end - number_buffer.begin());
}
@ -889,7 +888,7 @@ class serializer
: (0xFFu >> type) & (byte);
std::size_t index = 256u + static_cast<size_t>(state) * 16u + static_cast<size_t>(type);
assert(index < 400);
JSON_ASSERT(index < 400);
state = utf8d[index];
return state;
}
@ -901,7 +900,7 @@ class serializer
*/
number_unsigned_t remove_sign(number_unsigned_t x)
{
assert(false); // LCOV_EXCL_LINE
JSON_ASSERT(false); // LCOV_EXCL_LINE
return x; // LCOV_EXCL_LINE
}
@ -916,7 +915,7 @@ class serializer
*/
inline number_unsigned_t remove_sign(number_integer_t x) noexcept
{
assert(x < 0 and x < (std::numeric_limits<number_integer_t>::max)());
JSON_ASSERT(x < 0 and x < (std::numeric_limits<number_integer_t>::max)());
return static_cast<number_unsigned_t>(-(x + 1)) + 1;
}

149
include/nlohmann/json.hpp
View file

@ -35,7 +35,6 @@ SOFTWARE.
#define NLOHMANN_JSON_VERSION_PATCH 0
#include <algorithm> // all_of, find, for_each
#include <cassert> // assert
#include <cstddef> // nullptr_t, ptrdiff_t, size_t
#include <functional> // hash, less
#include <initializer_list> // initializer_list
@ -197,10 +196,12 @@ class basic_json
static ::nlohmann::detail::parser<basic_json, InputAdapterType> parser(
InputAdapterType adapter,
detail::parser_callback_t<basic_json>cb = nullptr,
bool allow_exceptions = true
const bool allow_exceptions = true,
const bool ignore_comments = false
)
{
return ::nlohmann::detail::parser<basic_json, InputAdapterType>(std::move(adapter), std::move(cb), allow_exceptions);
return ::nlohmann::detail::parser<basic_json, InputAdapterType>(std::move(adapter),
std::move(cb), allow_exceptions, ignore_comments);
}
using primitive_iterator_t = ::nlohmann::detail::primitive_iterator_t;
@ -923,7 +924,7 @@ class basic_json
};
std::unique_ptr<T, decltype(deleter)> object(AllocatorTraits::allocate(alloc, 1), deleter);
AllocatorTraits::construct(alloc, object.get(), std::forward<Args>(args)...);
assert(object != nullptr);
JSON_ASSERT(object != nullptr);
return object.release();
}
@ -1218,10 +1219,10 @@ class basic_json
*/
void assert_invariant() const noexcept
{
assert(m_type != value_t::object or m_value.object != nullptr);
assert(m_type != value_t::array or m_value.array != nullptr);
assert(m_type != value_t::string or m_value.string != nullptr);
assert(m_type != value_t::binary or m_value.binary != nullptr);
JSON_ASSERT(m_type != value_t::object or m_value.object != nullptr);
JSON_ASSERT(m_type != value_t::array or m_value.array != nullptr);
JSON_ASSERT(m_type != value_t::string or m_value.string != nullptr);
JSON_ASSERT(m_type != value_t::binary or m_value.binary != nullptr);
}
public:
@ -1514,7 +1515,7 @@ class basic_json
m_type = value_t::discarded;
break;
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
JSON_ASSERT(false); // LCOV_EXCL_LINE
}
assert_invariant();
}
@ -1914,8 +1915,8 @@ class basic_json
std::is_same<InputIT, typename basic_json_t::const_iterator>::value, int>::type = 0>
basic_json(InputIT first, InputIT last)
{
assert(first.m_object != nullptr);
assert(last.m_object != nullptr);
JSON_ASSERT(first.m_object != nullptr);
JSON_ASSERT(last.m_object != nullptr);
// make sure iterator fits the current value
if (JSON_HEDLEY_UNLIKELY(first.m_object != last.m_object))
@ -2237,7 +2238,8 @@ class basic_json
@param[in] error_handler how to react on decoding errors; there are three
possible values: `strict` (throws and exception in case a decoding error
occurs; default), `replace` (replace invalid UTF-8 sequences with U+FFFD),
and `ignore` (ignore invalid UTF-8 sequences during serialization).
and `ignore` (ignore invalid UTF-8 sequences during serialization; all
bytes are copied to the output unchanged).
@return string containing the serialization of the JSON value
@ -3018,6 +3020,18 @@ class basic_json
return v;
}
// specialization to allow to call get_to with a basic_json value
// see https://github.com/nlohmann/json/issues/2175
template<typename ValueType,
detail::enable_if_t <
detail::is_basic_json<ValueType>::value,
int> = 0>
ValueType & get_to(ValueType& v) const
{
v = *this;
return v;
}
template <
typename T, std::size_t N,
typename Array = T (&)[N],
@ -3619,7 +3633,7 @@ class basic_json
// const operator[] only works for objects
if (JSON_HEDLEY_LIKELY(is_object()))
{
assert(m_value.object->find(key) != m_value.object->end());
JSON_ASSERT(m_value.object->find(key) != m_value.object->end());
return m_value.object->find(key)->second;
}
@ -3711,7 +3725,7 @@ class basic_json
// at only works for objects
if (JSON_HEDLEY_LIKELY(is_object()))
{
assert(m_value.object->find(key) != m_value.object->end());
JSON_ASSERT(m_value.object->find(key) != m_value.object->end());
return m_value.object->find(key)->second;
}
@ -5479,7 +5493,7 @@ class basic_json
iterator insert_iterator(const_iterator pos, Args&& ... args)
{
iterator result(this);
assert(m_value.array != nullptr);
JSON_ASSERT(m_value.array != nullptr);
auto insert_pos = std::distance(m_value.array->begin(), pos.m_it.array_iterator);
m_value.array->insert(pos.m_it.array_iterator, std::forward<Args>(args)...);
@ -5866,6 +5880,34 @@ class basic_json
/*!
@brief exchanges the values
Exchanges the contents of the JSON value from @a left with those of @a right. Does not
invoke any move, copy, or swap operations on individual elements. All
iterators and references remain valid. The past-the-end iterator is
invalidated. implemented as a friend function callable via ADL.
@param[in,out] left JSON value to exchange the contents with
@param[in,out] right JSON value to exchange the contents with
@complexity Constant.
@liveexample{The example below shows how JSON values can be swapped with
`swap()`.,swap__reference}
@since version 1.0.0
*/
friend void swap(reference left, reference right) noexcept (
std::is_nothrow_move_constructible<value_t>::value and
std::is_nothrow_move_assignable<value_t>::value and
std::is_nothrow_move_constructible<json_value>::value and
std::is_nothrow_move_assignable<json_value>::value
)
{
left.swap(right);
}
/*!
@brief exchanges the values
Exchanges the contents of a JSON array with those of @a other. Does not
invoke any move, copy, or swap operations on individual elements. All
iterators and references remain valid. The past-the-end iterator is
@ -6564,6 +6606,9 @@ class basic_json
(optional)
@param[in] allow_exceptions whether to throw exceptions in case of a
parse error (optional, true by default)
@param[in] ignore_comments whether comments should be ignored and treated
like whitespace (true) or yield a parse error (true); (optional, false by
default)
@return deserialized JSON value; in case of a parse error and
@a allow_exceptions set to `false`, the return value will be
@ -6592,16 +6637,18 @@ class basic_json
@liveexample{The example below demonstrates the `parse()` function reading
from a contiguous container.,parse__contiguouscontainer__parser_callback_t}
@since version 2.0.3 (contiguous containers)
@since version 2.0.3 (contiguous containers); version 3.9.0 allowed to
ignore comments.
*/
template<typename InputType>
JSON_HEDLEY_WARN_UNUSED_RESULT
static basic_json parse(InputType&& i,
const parser_callback_t cb = nullptr,
const bool allow_exceptions = true)
const bool allow_exceptions = true,
const bool ignore_comments = false)
{
basic_json result;
parser(detail::input_adapter(std::forward<InputType>(i)), cb, allow_exceptions).parse(true, result);
parser(detail::input_adapter(std::forward<InputType>(i)), cb, allow_exceptions, ignore_comments).parse(true, result);
return result;
}
@ -6618,6 +6665,9 @@ class basic_json
(optional)
@param[in] allow_exceptions whether to throw exceptions in case of a
parse error (optional, true by default)
@param[in] ignore_comments whether comments should be ignored and treated
like whitespace (true) or yield a parse error (true); (optional, false by
default)
@return deserialized JSON value; in case of a parse error and
@a allow_exceptions set to `false`, the return value will be
@ -6633,10 +6683,11 @@ class basic_json
static basic_json parse(IteratorType first,
IteratorType last,
const parser_callback_t cb = nullptr,
const bool allow_exceptions = true)
const bool allow_exceptions = true,
const bool ignore_comments = false)
{
basic_json result;
parser(detail::input_adapter(std::move(first), std::move(last)), cb, allow_exceptions).parse(true, result);
parser(detail::input_adapter(std::move(first), std::move(last)), cb, allow_exceptions, ignore_comments).parse(true, result);
return result;
}
@ -6644,10 +6695,11 @@ class basic_json
JSON_HEDLEY_DEPRECATED_FOR(3.8.0, parse(ptr, ptr + len))
static basic_json parse(detail::span_input_adapter&& i,
const parser_callback_t cb = nullptr,
const bool allow_exceptions = true)
const bool allow_exceptions = true,
const bool ignore_comments = false)
{
basic_json result;
parser(i.get(), cb, allow_exceptions).parse(true, result);
parser(i.get(), cb, allow_exceptions, ignore_comments).parse(true, result);
return result;
}
@ -6667,6 +6719,9 @@ class basic_json
iterators.
@param[in] i input to read from
@param[in] ignore_comments whether comments should be ignored and treated
like whitespace (true) or yield a parse error (true); (optional, false by
default)
@return Whether the input read from @a i is valid JSON.
@ -6679,22 +6734,25 @@ class basic_json
from a string.,accept__string}
*/
template<typename InputType>
static bool accept(InputType&& i)
static bool accept(InputType&& i,
const bool ignore_comments = false)
{
return parser(detail::input_adapter(std::forward<InputType>(i))).accept(true);
return parser(detail::input_adapter(std::forward<InputType>(i)), nullptr, false, ignore_comments).accept(true);
}
template<typename IteratorType>
static bool accept(IteratorType first, IteratorType last)
static bool accept(IteratorType first, IteratorType last,
const bool ignore_comments = false)
{
return parser(detail::input_adapter(std::move(first), std::move(last))).accept(true);
return parser(detail::input_adapter(std::move(first), std::move(last)), nullptr, false, ignore_comments).accept(true);
}
JSON_HEDLEY_WARN_UNUSED_RESULT
JSON_HEDLEY_DEPRECATED_FOR(3.8.0, accept(ptr, ptr + len))
static bool accept(detail::span_input_adapter&& i)
static bool accept(detail::span_input_adapter&& i,
const bool ignore_comments = false)
{
return parser(i.get()).accept(true);
return parser(i.get(), nullptr, false, ignore_comments).accept(true);
}
/*!
@ -6714,6 +6772,9 @@ class basic_json
@param[in,out] sax SAX event listener
@param[in] format the format to parse (JSON, CBOR, MessagePack, or UBJSON)
@param[in] strict whether the input has to be consumed completely
@param[in] ignore_comments whether comments should be ignored and treated
like whitespace (true) or yield a parse error (true); (optional, false by
default); only applies to the JSON file format.
@return return value of the last processed SAX event
@ -6738,11 +6799,12 @@ class basic_json
JSON_HEDLEY_NON_NULL(2)
static bool sax_parse(InputType&& i, SAX* sax,
input_format_t format = input_format_t::json,
const bool strict = true)
const bool strict = true,
const bool ignore_comments = false)
{
auto ia = detail::input_adapter(std::forward<InputType>(i));
return format == input_format_t::json
? parser(std::move(ia)).sax_parse(sax, strict)
? parser(std::move(ia), nullptr, true, ignore_comments).sax_parse(sax, strict)
: detail::binary_reader<basic_json, decltype(ia), SAX>(std::move(ia)).sax_parse(format, sax, strict);
}
@ -6750,11 +6812,12 @@ class basic_json
JSON_HEDLEY_NON_NULL(3)
static bool sax_parse(IteratorType first, IteratorType last, SAX* sax,
input_format_t format = input_format_t::json,
const bool strict = true)
const bool strict = true,
const bool ignore_comments = false)
{
auto ia = detail::input_adapter(std::move(first), std::move(last));
return format == input_format_t::json
? parser(std::move(ia)).sax_parse(sax, strict)
? parser(std::move(ia), nullptr, true, ignore_comments).sax_parse(sax, strict)
: detail::binary_reader<basic_json, decltype(ia), SAX>(std::move(ia)).sax_parse(format, sax, strict);
}
@ -6763,11 +6826,12 @@ class basic_json
JSON_HEDLEY_NON_NULL(2)
static bool sax_parse(detail::span_input_adapter&& i, SAX* sax,
input_format_t format = input_format_t::json,
const bool strict = true)
const bool strict = true,
const bool ignore_comments = false)
{
auto ia = i.get();
return format == input_format_t::json
? parser(std::move(ia)).sax_parse(sax, strict)
? parser(std::move(ia), nullptr, true, ignore_comments).sax_parse(sax, strict)
: detail::binary_reader<basic_json, decltype(ia), SAX>(std::move(ia)).sax_parse(format, sax, strict);
}
@ -7041,7 +7105,8 @@ class basic_json
number_unsigned | 256..65535 | uint 16 | 0xCD
number_unsigned | 65536..4294967295 | uint 32 | 0xCE
number_unsigned | 4294967296..18446744073709551615 | uint 64 | 0xCF
number_float | *any value* | float 64 | 0xCB
number_float | *any value representable by a float* | float 32 | 0xCA
number_float | *any value NOT representable by a float* | float 64 | 0xCB
string | *length*: 0..31 | fixstr | 0xA0..0xBF
string | *length*: 32..255 | str 8 | 0xD9
string | *length*: 256..65535 | str 16 | 0xDA
@ -7065,9 +7130,6 @@ class basic_json
- arrays with more than 4294967295 elements
- objects with more than 4294967295 elements
@note The following MessagePack types are not used in the conversion:
- float 32 (0xCA)
@note Any MessagePack output created @ref to_msgpack can be successfully
parsed by @ref from_msgpack.
@ -8182,7 +8244,7 @@ class basic_json
else
{
const auto idx = json_pointer::array_index(last_path);
if (JSON_HEDLEY_UNLIKELY(static_cast<size_type>(idx) > parent.size()))
if (JSON_HEDLEY_UNLIKELY(idx > parent.size()))
{
// avoid undefined behavior
JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range"));
@ -8196,7 +8258,7 @@ class basic_json
// if there exists a parent it cannot be primitive
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
JSON_ASSERT(false); // LCOV_EXCL_LINE
}
};
@ -8225,7 +8287,7 @@ class basic_json
else if (parent.is_array())
{
// note erase performs range check
parent.erase(static_cast<size_type>(json_pointer::array_index(last_path)));
parent.erase(json_pointer::array_index(last_path));
}
};
@ -8660,6 +8722,9 @@ struct less<::nlohmann::detail::value_t>
}
};
// C++20 prohibit function specialization in the std namespace.
#ifndef JSON_HAS_CPP_20
/*!
@brief exchanges the values of two JSON objects
@ -8674,6 +8739,8 @@ inline void swap<nlohmann::json>(nlohmann::json& j1, nlohmann::json& j2) noexcep
j1.swap(j2);
}
#endif
} // namespace std
/*!