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Merge branch 'develop' into feature/release_information

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This commit is contained in:
Niels Lohmann 2017-01-04 20:06:23 +01:00
commit e1b89dd1d6
7 changed files with 287 additions and 348 deletions
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1
README.md
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@ -600,6 +600,7 @@ Thanks a lot for helping out!
- Other encodings such as Latin-1, UTF-16, or UTF-32 are not supported and will yield parse errors. - Other encodings such as Latin-1, UTF-16, or UTF-32 are not supported and will yield parse errors.
- [Unicode noncharacters](http://www.unicode.org/faq/private_use.html#nonchar1) will not be replaced by the library. - [Unicode noncharacters](http://www.unicode.org/faq/private_use.html#nonchar1) will not be replaced by the library.
- Invalid surrogates (e.g., incomplete pairs such as `\uDEAD`) will yield parse errors. - Invalid surrogates (e.g., incomplete pairs such as `\uDEAD`) will yield parse errors.
- The strings stored in the library are UTF-8 encoded. When using the default string type (`std::string`), note that its length/size functions return the number of stored bytes rather than the number of characters or glyphs.
## Execute unit tests ## Execute unit tests

297
src/json.hpp
View file

@ -58,13 +58,11 @@ SOFTWARE.
// exclude unsupported compilers // exclude unsupported compilers
#if defined(__clang__) #if defined(__clang__)
#define CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__) #if (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__) < 30400
#if CLANG_VERSION < 30400
#error "unsupported Clang version - see https://github.com/nlohmann/json#supported-compilers" #error "unsupported Clang version - see https://github.com/nlohmann/json#supported-compilers"
#endif #endif
#elif defined(__GNUC__) #elif defined(__GNUC__)
#define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) #if (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) < 40900
#if GCC_VERSION < 40900
#error "unsupported GCC version - see https://github.com/nlohmann/json#supported-compilers" #error "unsupported GCC version - see https://github.com/nlohmann/json#supported-compilers"
#endif #endif
#endif #endif
@ -128,7 +126,7 @@ struct has_mapped_type
std::is_integral<decltype(detect(std::declval<T>()))>::value; std::is_integral<decltype(detect(std::declval<T>()))>::value;
}; };
} } // namespace
/*! /*!
@brief a class to store JSON values @brief a class to store JSON values
@ -153,7 +151,8 @@ default)
@requirement The class satisfies the following concept requirements: @requirement The class satisfies the following concept requirements:
- Basic - Basic
- [DefaultConstructible](http://en.cppreference.com/w/cpp/concept/DefaultConstructible): - [DefaultConstructible](http://en.cppreference.com/w/cpp/concept/DefaultConstructible):
JSON values can be default constructed. The result will be a JSON null value. JSON values can be default constructed. The result will be a JSON null
value.
- [MoveConstructible](http://en.cppreference.com/w/cpp/concept/MoveConstructible): - [MoveConstructible](http://en.cppreference.com/w/cpp/concept/MoveConstructible):
A JSON value can be constructed from an rvalue argument. A JSON value can be constructed from an rvalue argument.
- [CopyConstructible](http://en.cppreference.com/w/cpp/concept/CopyConstructible): - [CopyConstructible](http://en.cppreference.com/w/cpp/concept/CopyConstructible):
@ -168,8 +167,8 @@ default)
- [StandardLayoutType](http://en.cppreference.com/w/cpp/concept/StandardLayoutType): - [StandardLayoutType](http://en.cppreference.com/w/cpp/concept/StandardLayoutType):
JSON values have JSON values have
[standard layout](http://en.cppreference.com/w/cpp/language/data_members#Standard_layout): [standard layout](http://en.cppreference.com/w/cpp/language/data_members#Standard_layout):
All non-static data members are private and standard layout types, the class All non-static data members are private and standard layout types, the
has no virtual functions or (virtual) base classes. class has no virtual functions or (virtual) base classes.
- Library-wide - Library-wide
- [EqualityComparable](http://en.cppreference.com/w/cpp/concept/EqualityComparable): - [EqualityComparable](http://en.cppreference.com/w/cpp/concept/EqualityComparable):
JSON values can be compared with `==`, see @ref JSON values can be compared with `==`, see @ref
@ -507,6 +506,12 @@ class basic_json
std::string std::string
@endcode @endcode
#### Encoding
Strings are stored in UTF-8 encoding. Therefore, functions like
`std::string::size()` or `std::string::length()` return the number of
bytes in the string rather than the number of characters or glyphs.
#### String comparison #### String comparison
[RFC 7159](http://rfc7159.net/rfc7159) states: [RFC 7159](http://rfc7159.net/rfc7159) states:
@ -825,7 +830,7 @@ class basic_json
}; };
std::unique_ptr<T, decltype(deleter)> object(alloc.allocate(1), deleter); std::unique_ptr<T, decltype(deleter)> object(alloc.allocate(1), deleter);
alloc.construct(object.get(), std::forward<Args>(args)...); alloc.construct(object.get(), std::forward<Args>(args)...);
assert(object.get() != nullptr); assert(object != nullptr);
return object.release(); return object.release();
} }
@ -1952,13 +1957,15 @@ class basic_json
case value_t::object: case value_t::object:
{ {
m_value.object = create<object_t>(first.m_it.object_iterator, last.m_it.object_iterator); m_value.object = create<object_t>(first.m_it.object_iterator,
last.m_it.object_iterator);
break; break;
} }
case value_t::array: case value_t::array:
{ {
m_value.array = create<array_t>(first.m_it.array_iterator, last.m_it.array_iterator); m_value.array = create<array_t>(first.m_it.array_iterator,
last.m_it.array_iterator);
break; break;
} }
@ -2641,29 +2648,25 @@ class basic_json
template<class T, typename std::enable_if< template<class T, typename std::enable_if<
std::is_convertible<typename object_t::key_type, typename T::key_type>::value and std::is_convertible<typename object_t::key_type, typename T::key_type>::value and
std::is_convertible<basic_json_t, typename T::mapped_type>::value, int>::type = 0> std::is_convertible<basic_json_t, typename T::mapped_type>::value, int>::type = 0>
T get_impl(T*) const T get_impl(T* /*unused*/) const
{ {
if (is_object()) if (is_object())
{ {
return T(m_value.object->begin(), m_value.object->end()); return T(m_value.object->begin(), m_value.object->end());
} }
else
{ throw std::domain_error("type must be object, but is " + type_name());
throw std::domain_error("type must be object, but is " + type_name());
}
} }
/// get an object (explicit) /// get an object (explicit)
object_t get_impl(object_t*) const object_t get_impl(object_t* /*unused*/) const
{ {
if (is_object()) if (is_object())
{ {
return *(m_value.object); return *(m_value.object);
} }
else
{ throw std::domain_error("type must be object, but is " + type_name());
throw std::domain_error("type must be object, but is " + type_name());
}
} }
/// get an array (explicit) /// get an array (explicit)
@ -2673,7 +2676,7 @@ class basic_json
not std::is_arithmetic<T>::value and not std::is_arithmetic<T>::value and
not std::is_convertible<std::string, T>::value and not std::is_convertible<std::string, T>::value and
not has_mapped_type<T>::value, int>::type = 0> not has_mapped_type<T>::value, int>::type = 0>
T get_impl(T*) const T get_impl(T* /*unused*/) const
{ {
if (is_array()) if (is_array())
{ {
@ -2685,17 +2688,15 @@ class basic_json
}); });
return to_vector; return to_vector;
} }
else
{ throw std::domain_error("type must be array, but is " + type_name());
throw std::domain_error("type must be array, but is " + type_name());
}
} }
/// get an array (explicit) /// get an array (explicit)
template<class T, typename std::enable_if< template<class T, typename std::enable_if<
std::is_convertible<basic_json_t, T>::value and std::is_convertible<basic_json_t, T>::value and
not std::is_same<basic_json_t, T>::value, int>::type = 0> not std::is_same<basic_json_t, T>::value, int>::type = 0>
std::vector<T> get_impl(std::vector<T>*) const std::vector<T> get_impl(std::vector<T>* /*unused*/) const
{ {
if (is_array()) if (is_array())
{ {
@ -2708,60 +2709,52 @@ class basic_json
}); });
return to_vector; return to_vector;
} }
else
{ throw std::domain_error("type must be array, but is " + type_name());
throw std::domain_error("type must be array, but is " + type_name());
}
} }
/// get an array (explicit) /// get an array (explicit)
template<class T, typename std::enable_if< template<class T, typename std::enable_if<
std::is_same<basic_json, typename T::value_type>::value and std::is_same<basic_json, typename T::value_type>::value and
not has_mapped_type<T>::value, int>::type = 0> not has_mapped_type<T>::value, int>::type = 0>
T get_impl(T*) const T get_impl(T* /*unused*/) const
{ {
if (is_array()) if (is_array())
{ {
return T(m_value.array->begin(), m_value.array->end()); return T(m_value.array->begin(), m_value.array->end());
} }
else
{ throw std::domain_error("type must be array, but is " + type_name());
throw std::domain_error("type must be array, but is " + type_name());
}
} }
/// get an array (explicit) /// get an array (explicit)
array_t get_impl(array_t*) const array_t get_impl(array_t* /*unused*/) const
{ {
if (is_array()) if (is_array())
{ {
return *(m_value.array); return *(m_value.array);
} }
else
{ throw std::domain_error("type must be array, but is " + type_name());
throw std::domain_error("type must be array, but is " + type_name());
}
} }
/// get a string (explicit) /// get a string (explicit)
template<typename T, typename std::enable_if< template<typename T, typename std::enable_if<
std::is_convertible<string_t, T>::value, int>::type = 0> std::is_convertible<string_t, T>::value, int>::type = 0>
T get_impl(T*) const T get_impl(T* /*unused*/) const
{ {
if (is_string()) if (is_string())
{ {
return *m_value.string; return *m_value.string;
} }
else
{ throw std::domain_error("type must be string, but is " + type_name());
throw std::domain_error("type must be string, but is " + type_name());
}
} }
/// get a number (explicit) /// get a number (explicit)
template<typename T, typename std::enable_if< template<typename T, typename std::enable_if<
std::is_arithmetic<T>::value, int>::type = 0> std::is_arithmetic<T>::value, int>::type = 0>
T get_impl(T*) const T get_impl(T* /*unused*/) const
{ {
switch (m_type) switch (m_type)
{ {
@ -2788,7 +2781,7 @@ class basic_json
} }
/// get a boolean (explicit) /// get a boolean (explicit)
constexpr boolean_t get_impl(boolean_t*) const constexpr boolean_t get_impl(boolean_t* /*unused*/) const
{ {
return is_boolean() return is_boolean()
? m_value.boolean ? m_value.boolean
@ -2796,85 +2789,85 @@ class basic_json
} }
/// get a pointer to the value (object) /// get a pointer to the value (object)
object_t* get_impl_ptr(object_t*) noexcept object_t* get_impl_ptr(object_t* /*unused*/) noexcept
{ {
return is_object() ? m_value.object : nullptr; return is_object() ? m_value.object : nullptr;
} }
/// get a pointer to the value (object) /// get a pointer to the value (object)
constexpr const object_t* get_impl_ptr(const object_t*) const noexcept constexpr const object_t* get_impl_ptr(const object_t* /*unused*/) const noexcept
{ {
return is_object() ? m_value.object : nullptr; return is_object() ? m_value.object : nullptr;
} }
/// get a pointer to the value (array) /// get a pointer to the value (array)
array_t* get_impl_ptr(array_t*) noexcept array_t* get_impl_ptr(array_t* /*unused*/) noexcept
{ {
return is_array() ? m_value.array : nullptr; return is_array() ? m_value.array : nullptr;
} }
/// get a pointer to the value (array) /// get a pointer to the value (array)
constexpr const array_t* get_impl_ptr(const array_t*) const noexcept constexpr const array_t* get_impl_ptr(const array_t* /*unused*/) const noexcept
{ {
return is_array() ? m_value.array : nullptr; return is_array() ? m_value.array : nullptr;
} }
/// get a pointer to the value (string) /// get a pointer to the value (string)
string_t* get_impl_ptr(string_t*) noexcept string_t* get_impl_ptr(string_t* /*unused*/) noexcept
{ {
return is_string() ? m_value.string : nullptr; return is_string() ? m_value.string : nullptr;
} }
/// get a pointer to the value (string) /// get a pointer to the value (string)
constexpr const string_t* get_impl_ptr(const string_t*) const noexcept constexpr const string_t* get_impl_ptr(const string_t* /*unused*/) const noexcept
{ {
return is_string() ? m_value.string : nullptr; return is_string() ? m_value.string : nullptr;
} }
/// get a pointer to the value (boolean) /// get a pointer to the value (boolean)
boolean_t* get_impl_ptr(boolean_t*) noexcept boolean_t* get_impl_ptr(boolean_t* /*unused*/) noexcept
{ {
return is_boolean() ? &m_value.boolean : nullptr; return is_boolean() ? &m_value.boolean : nullptr;
} }
/// get a pointer to the value (boolean) /// get a pointer to the value (boolean)
constexpr const boolean_t* get_impl_ptr(const boolean_t*) const noexcept constexpr const boolean_t* get_impl_ptr(const boolean_t* /*unused*/) const noexcept
{ {
return is_boolean() ? &m_value.boolean : nullptr; return is_boolean() ? &m_value.boolean : nullptr;
} }
/// get a pointer to the value (integer number) /// get a pointer to the value (integer number)
number_integer_t* get_impl_ptr(number_integer_t*) noexcept number_integer_t* get_impl_ptr(number_integer_t* /*unused*/) noexcept
{ {
return is_number_integer() ? &m_value.number_integer : nullptr; return is_number_integer() ? &m_value.number_integer : nullptr;
} }
/// get a pointer to the value (integer number) /// get a pointer to the value (integer number)
constexpr const number_integer_t* get_impl_ptr(const number_integer_t*) const noexcept constexpr const number_integer_t* get_impl_ptr(const number_integer_t* /*unused*/) const noexcept
{ {
return is_number_integer() ? &m_value.number_integer : nullptr; return is_number_integer() ? &m_value.number_integer : nullptr;
} }
/// get a pointer to the value (unsigned number) /// get a pointer to the value (unsigned number)
number_unsigned_t* get_impl_ptr(number_unsigned_t*) noexcept number_unsigned_t* get_impl_ptr(number_unsigned_t* /*unused*/) noexcept
{ {
return is_number_unsigned() ? &m_value.number_unsigned : nullptr; return is_number_unsigned() ? &m_value.number_unsigned : nullptr;
} }
/// get a pointer to the value (unsigned number) /// get a pointer to the value (unsigned number)
constexpr const number_unsigned_t* get_impl_ptr(const number_unsigned_t*) const noexcept constexpr const number_unsigned_t* get_impl_ptr(const number_unsigned_t* /*unused*/) const noexcept
{ {
return is_number_unsigned() ? &m_value.number_unsigned : nullptr; return is_number_unsigned() ? &m_value.number_unsigned : nullptr;
} }
/// get a pointer to the value (floating-point number) /// get a pointer to the value (floating-point number)
number_float_t* get_impl_ptr(number_float_t*) noexcept number_float_t* get_impl_ptr(number_float_t* /*unused*/) noexcept
{ {
return is_number_float() ? &m_value.number_float : nullptr; return is_number_float() ? &m_value.number_float : nullptr;
} }
/// get a pointer to the value (floating-point number) /// get a pointer to the value (floating-point number)
constexpr const number_float_t* get_impl_ptr(const number_float_t*) const noexcept constexpr const number_float_t* get_impl_ptr(const number_float_t* /*unused*/) const noexcept
{ {
return is_number_float() ? &m_value.number_float : nullptr; return is_number_float() ? &m_value.number_float : nullptr;
} }
@ -2903,11 +2896,9 @@ class basic_json
{ {
return *ptr; return *ptr;
} }
else
{ throw std::domain_error("incompatible ReferenceType for get_ref, actual type is " +
throw std::domain_error("incompatible ReferenceType for get_ref, actual type is " + obj.type_name());
obj.type_name());
}
} }
public: public:
@ -3158,7 +3149,7 @@ class basic_json
template < typename ValueType, typename std::enable_if < template < typename ValueType, typename std::enable_if <
not std::is_pointer<ValueType>::value and not std::is_pointer<ValueType>::value and
not std::is_same<ValueType, typename string_t::value_type>::value not std::is_same<ValueType, typename string_t::value_type>::value
#ifndef _MSC_VER // Fix for issue #167 operator<< abiguity under VS2015 #ifndef _MSC_VER // fix for issue #167 operator<< abiguity under VS2015
and not std::is_same<ValueType, std::initializer_list<typename string_t::value_type>>::value and not std::is_same<ValueType, std::initializer_list<typename string_t::value_type>>::value
#endif #endif
, int >::type = 0 > , int >::type = 0 >
@ -3407,10 +3398,8 @@ class basic_json
return m_value.array->operator[](idx); return m_value.array->operator[](idx);
} }
else
{ throw std::domain_error("cannot use operator[] with " + type_name());
throw std::domain_error("cannot use operator[] with " + type_name());
}
} }
/*! /*!
@ -3439,10 +3428,8 @@ class basic_json
{ {
return m_value.array->operator[](idx); return m_value.array->operator[](idx);
} }
else
{ throw std::domain_error("cannot use operator[] with " + type_name());
throw std::domain_error("cannot use operator[] with " + type_name());
}
} }
/*! /*!
@ -3487,10 +3474,8 @@ class basic_json
{ {
return m_value.object->operator[](key); return m_value.object->operator[](key);
} }
else
{ throw std::domain_error("cannot use operator[] with " + type_name());
throw std::domain_error("cannot use operator[] with " + type_name());
}
} }
/*! /*!
@ -3531,10 +3516,8 @@ class basic_json
assert(m_value.object->find(key) != m_value.object->end()); assert(m_value.object->find(key) != m_value.object->end());
return m_value.object->find(key)->second; return m_value.object->find(key)->second;
} }
else
{ throw std::domain_error("cannot use operator[] with " + type_name());
throw std::domain_error("cannot use operator[] with " + type_name());
}
} }
/*! /*!
@ -3648,10 +3631,8 @@ class basic_json
{ {
return m_value.object->operator[](key); return m_value.object->operator[](key);
} }
else
{ throw std::domain_error("cannot use operator[] with " + type_name());
throw std::domain_error("cannot use operator[] with " + type_name());
}
} }
/*! /*!
@ -3693,10 +3674,8 @@ class basic_json
assert(m_value.object->find(key) != m_value.object->end()); assert(m_value.object->find(key) != m_value.object->end());
return m_value.object->find(key)->second; return m_value.object->find(key)->second;
} }
else
{ throw std::domain_error("cannot use operator[] with " + type_name());
throw std::domain_error("cannot use operator[] with " + type_name());
}
} }
/*! /*!
@ -3760,10 +3739,8 @@ class basic_json
{ {
return *it; return *it;
} }
else
{ return default_value;
return default_value;
}
} }
else else
{ {
@ -3838,10 +3815,8 @@ class basic_json
return default_value; return default_value;
} }
} }
else
{ throw std::domain_error("cannot use value() with " + type_name());
throw std::domain_error("cannot use value() with " + type_name());
}
} }
/*! /*!
@ -4189,10 +4164,8 @@ class basic_json
{ {
return m_value.object->erase(key); return m_value.object->erase(key);
} }
else
{ throw std::domain_error("cannot use erase() with " + type_name());
throw std::domain_error("cannot use erase() with " + type_name());
}
} }
/*! /*!
@ -5155,8 +5128,8 @@ class basic_json
/*! /*!
@brief add an object to an object if key does not exist @brief add an object to an object if key does not exist
Inserts a new element into a JSON object constructed in-place with the given Inserts a new element into a JSON object constructed in-place with the
@a args if there is no element with the key in the container. If the given @a args if there is no element with the key in the container. If the
function is called on a JSON null value, an empty object is created before function is called on a JSON null value, an empty object is created before
appending the value created from @a args. appending the value created from @a args.
@ -5221,8 +5194,8 @@ class basic_json
@throw std::domain_error if @a pos is not an iterator of *this; example: @throw std::domain_error if @a pos is not an iterator of *this; example:
`"iterator does not fit current value"` `"iterator does not fit current value"`
@complexity Constant plus linear in the distance between pos and end of the @complexity Constant plus linear in the distance between pos and end of
container. the container.
@liveexample{The example shows how `insert()` is used.,insert} @liveexample{The example shows how `insert()` is used.,insert}
@ -5244,10 +5217,8 @@ class basic_json
result.m_it.array_iterator = m_value.array->insert(pos.m_it.array_iterator, val); result.m_it.array_iterator = m_value.array->insert(pos.m_it.array_iterator, val);
return result; return result;
} }
else
{ throw std::domain_error("cannot use insert() with " + type_name());
throw std::domain_error("cannot use insert() with " + type_name());
}
} }
/*! /*!
@ -5299,10 +5270,8 @@ class basic_json
result.m_it.array_iterator = m_value.array->insert(pos.m_it.array_iterator, cnt, val); result.m_it.array_iterator = m_value.array->insert(pos.m_it.array_iterator, cnt, val);
return result; return result;
} }
else
{ throw std::domain_error("cannot use insert() with " + type_name());
throw std::domain_error("cannot use insert() with " + type_name());
}
} }
/*! /*!
@ -5452,8 +5421,8 @@ class basic_json
@param[in,out] other array to exchange the contents with @param[in,out] other array to exchange the contents with
@throw std::domain_error when JSON value is not an array; example: `"cannot @throw std::domain_error when JSON value is not an array; example:
use swap() with string"` `"cannot use swap() with string"`
@complexity Constant. @complexity Constant.
@ -6180,7 +6149,7 @@ class basic_json
{ {
// assertion to check that the iterator range is indeed contiguous, // assertion to check that the iterator range is indeed contiguous,
// see http://stackoverflow.com/a/35008842/266378 for more discussion // see http://stackoverflow.com/a/35008842/266378 for more discussion
assert(std::accumulate(first, last, std::make_pair<bool, int>(true, 0), assert(std::accumulate(first, last, std::pair<bool, int>(true, 0),
[&first](std::pair<bool, int> res, decltype(*first) val) [&first](std::pair<bool, int> res, decltype(*first) val)
{ {
res.first &= (val == *(std::next(std::addressof(*first), res.second++))); res.first &= (val == *(std::next(std::addressof(*first), res.second++)));
@ -6385,7 +6354,7 @@ class basic_json
} }
T result; T result;
uint8_t* ptr = reinterpret_cast<uint8_t*>(&result); auto* ptr = reinterpret_cast<uint8_t*>(&result);
for (size_t i = 0; i < sizeof(T); ++i) for (size_t i = 0; i < sizeof(T); ++i)
{ {
*ptr++ = vec[current_index + sizeof(T) - i]; *ptr++ = vec[current_index + sizeof(T) - i];
@ -6426,8 +6395,9 @@ class basic_json
if (j.m_value.number_integer >= 0) if (j.m_value.number_integer >= 0)
{ {
// MessagePack does not differentiate between positive // MessagePack does not differentiate between positive
// signed integers and unsigned integers. Therefore, we used // signed integers and unsigned integers. Therefore, we
// the code from the value_t::number_unsigned case here. // used the code from the value_t::number_unsigned case
// here.
if (j.m_value.number_unsigned < 128) if (j.m_value.number_unsigned < 128)
{ {
// positive fixnum // positive fixnum
@ -6531,7 +6501,7 @@ class basic_json
{ {
// float 64 // float 64
v.push_back(0xcb); v.push_back(0xcb);
const uint8_t* helper = reinterpret_cast<const uint8_t*>(&(j.m_value.number_float)); const auto* helper = reinterpret_cast<const uint8_t*>(&(j.m_value.number_float));
for (size_t i = 0; i < 8; ++i) for (size_t i = 0; i < 8; ++i)
{ {
v.push_back(helper[7 - i]); v.push_back(helper[7 - i]);
@ -6702,8 +6672,8 @@ class basic_json
} }
else else
{ {
// The conversions below encode the sign in the first byte, // The conversions below encode the sign in the first
// and the value is converted to a positive number. // byte, and the value is converted to a positive number.
const auto positive_number = -1 - j.m_value.number_integer; const auto positive_number = -1 - j.m_value.number_integer;
if (j.m_value.number_integer >= -24) if (j.m_value.number_integer >= -24)
{ {
@ -6774,7 +6744,7 @@ class basic_json
{ {
// Double-Precision Float // Double-Precision Float
v.push_back(0xfb); v.push_back(0xfb);
const uint8_t* helper = reinterpret_cast<const uint8_t*>(&(j.m_value.number_float)); const auto* helper = reinterpret_cast<const uint8_t*>(&(j.m_value.number_float));
for (size_t i = 0; i < 8; ++i) for (size_t i = 0; i < 8; ++i)
{ {
v.push_back(helper[7 - i]); v.push_back(helper[7 - i]);
@ -6908,12 +6878,12 @@ class basic_json
To secure the access to the byte vector during CBOR/MessagePack To secure the access to the byte vector during CBOR/MessagePack
deserialization, bytes are copied from the vector into buffers. This deserialization, bytes are copied from the vector into buffers. This
function checks if the number of bytes to copy (@a len) does not exceed the function checks if the number of bytes to copy (@a len) does not exceed
size @s size of the vector. Additionally, an @a offset is given from where the size @s size of the vector. Additionally, an @a offset is given from
to start reading the bytes. where to start reading the bytes.
This function checks whether reading the bytes is safe; that is, offset is a This function checks whether reading the bytes is safe; that is, offset is
valid index in the vector, offset+len a valid index in the vector, offset+len
@param[in] size size of the byte vector @param[in] size size of the byte vector
@param[in] len number of bytes to read @param[in] len number of bytes to read
@ -6974,7 +6944,7 @@ class basic_json
{ {
return v[current_idx]; return v[current_idx];
} }
else if (v[current_idx] <= 0x8f) // fixmap if (v[current_idx] <= 0x8f) // fixmap
{ {
basic_json result = value_t::object; basic_json result = value_t::object;
const size_t len = v[current_idx] & 0x0f; const size_t len = v[current_idx] & 0x0f;
@ -7030,11 +7000,10 @@ class basic_json
case 0xca: // float 32 case 0xca: // float 32
{ {
// copy bytes in reverse order into the double variable // copy bytes in reverse order into the double variable
check_length(v.size(), sizeof(float), 1);
float res; float res;
for (size_t byte = 0; byte < sizeof(float); ++byte) for (size_t byte = 0; byte < sizeof(float); ++byte)
{ {
reinterpret_cast<uint8_t*>(&res)[sizeof(float) - byte - 1] = v[current_idx + 1 + byte]; reinterpret_cast<uint8_t*>(&res)[sizeof(float) - byte - 1] = v.at(current_idx + 1 + byte);
} }
idx += sizeof(float); // skip content bytes idx += sizeof(float); // skip content bytes
return res; return res;
@ -7043,11 +7012,10 @@ class basic_json
case 0xcb: // float 64 case 0xcb: // float 64
{ {
// copy bytes in reverse order into the double variable // copy bytes in reverse order into the double variable
check_length(v.size(), sizeof(double), 1);
double res; double res;
for (size_t byte = 0; byte < sizeof(double); ++byte) for (size_t byte = 0; byte < sizeof(double); ++byte)
{ {
reinterpret_cast<uint8_t*>(&res)[sizeof(double) - byte - 1] = v[current_idx + 1 + byte]; reinterpret_cast<uint8_t*>(&res)[sizeof(double) - byte - 1] = v.at(current_idx + 1 + byte);
} }
idx += sizeof(double); // skip content bytes idx += sizeof(double); // skip content bytes
return res; return res;
@ -7609,7 +7577,6 @@ class basic_json
case 0xf9: // Half-Precision Float (two-byte IEEE 754) case 0xf9: // Half-Precision Float (two-byte IEEE 754)
{ {
check_length(v.size(), 2, 1);
idx += 2; // skip two content bytes idx += 2; // skip two content bytes
// code from RFC 7049, Appendix D, Figure 3: // code from RFC 7049, Appendix D, Figure 3:
@ -7619,7 +7586,7 @@ class basic_json
// include at least decoding support for them even without such // include at least decoding support for them even without such
// support. An example of a small decoder for half-precision // support. An example of a small decoder for half-precision
// floating-point numbers in the C language is shown in Fig. 3. // floating-point numbers in the C language is shown in Fig. 3.
const int half = (v[current_idx + 1] << 8) + v[current_idx + 2]; const int half = (v.at(current_idx + 1) << 8) + v.at(current_idx + 2);
const int exp = (half >> 10) & 0x1f; const int exp = (half >> 10) & 0x1f;
const int mant = half & 0x3ff; const int mant = half & 0x3ff;
double val; double val;
@ -7635,17 +7602,16 @@ class basic_json
{ {
val = mant == 0 ? INFINITY : NAN; val = mant == 0 ? INFINITY : NAN;
} }
return half & 0x8000 ? -val : val; return (half & 0x8000) != 0 ? -val : val;
} }
case 0xfa: // Single-Precision Float (four-byte IEEE 754) case 0xfa: // Single-Precision Float (four-byte IEEE 754)
{ {
// copy bytes in reverse order into the float variable // copy bytes in reverse order into the float variable
check_length(v.size(), sizeof(float), 1);
float res; float res;
for (size_t byte = 0; byte < sizeof(float); ++byte) for (size_t byte = 0; byte < sizeof(float); ++byte)
{ {
reinterpret_cast<uint8_t*>(&res)[sizeof(float) - byte - 1] = v[current_idx + 1 + byte]; reinterpret_cast<uint8_t*>(&res)[sizeof(float) - byte - 1] = v.at(current_idx + 1 + byte);
} }
idx += sizeof(float); // skip content bytes idx += sizeof(float); // skip content bytes
return res; return res;
@ -7653,12 +7619,11 @@ class basic_json
case 0xfb: // Double-Precision Float (eight-byte IEEE 754) case 0xfb: // Double-Precision Float (eight-byte IEEE 754)
{ {
check_length(v.size(), sizeof(double), 1);
// copy bytes in reverse order into the double variable // copy bytes in reverse order into the double variable
double res; double res;
for (size_t byte = 0; byte < sizeof(double); ++byte) for (size_t byte = 0; byte < sizeof(double); ++byte)
{ {
reinterpret_cast<uint8_t*>(&res)[sizeof(double) - byte - 1] = v[current_idx + 1 + byte]; reinterpret_cast<uint8_t*>(&res)[sizeof(double) - byte - 1] = v.at(current_idx + 1 + byte);
} }
idx += sizeof(double); // skip content bytes idx += sizeof(double); // skip content bytes
return res; return res;
@ -7858,10 +7823,8 @@ class basic_json
// from c (1 byte) to \uxxxx (6 bytes) // from c (1 byte) to \uxxxx (6 bytes)
return res + 5; return res + 5;
} }
else
{ return res;
return res;
}
} }
} }
}); });
@ -8567,10 +8530,8 @@ class basic_json
{ {
return *m_object; return *m_object;
} }
else
{ throw std::out_of_range("cannot get value");
throw std::out_of_range("cannot get value");
}
} }
} }
} }
@ -8603,10 +8564,8 @@ class basic_json
{ {
return m_object; return m_object;
} }
else
{ throw std::out_of_range("cannot get value");
throw std::out_of_range("cannot get value");
}
} }
} }
} }
@ -8919,10 +8878,8 @@ class basic_json
{ {
return *m_object; return *m_object;
} }
else
{ throw std::out_of_range("cannot get value");
throw std::out_of_range("cannot get value");
}
} }
} }
} }
@ -8939,10 +8896,8 @@ class basic_json
{ {
return m_it.object_iterator->first; return m_it.object_iterator->first;
} }
else
{ throw std::domain_error("cannot use key() for non-object iterators");
throw std::domain_error("cannot use key() for non-object iterators");
}
} }
/*! /*!
@ -10267,7 +10222,7 @@ basic_json_parser_66:
assert(m_marker == nullptr or m_marker <= m_limit); assert(m_marker == nullptr or m_marker <= m_limit);
// number of processed characters (p) // number of processed characters (p)
const size_t num_processed_chars = static_cast<size_t>(m_start - m_content); const auto num_processed_chars = static_cast<size_t>(m_start - m_content);
// offset for m_marker wrt. to m_start // offset for m_marker wrt. to m_start
const auto offset_marker = (m_marker == nullptr) ? 0 : m_marker - m_start; const auto offset_marker = (m_marker == nullptr) ? 0 : m_marker - m_start;
// number of unprocessed characters (u) // number of unprocessed characters (u)
@ -10659,7 +10614,7 @@ basic_json_parser_66:
else else
{ {
// parse with strtod // parse with strtod
result.m_value.number_float = str_to_float_t(static_cast<number_float_t*>(nullptr), NULL); result.m_value.number_float = str_to_float_t(static_cast<number_float_t*>(nullptr), nullptr);
// replace infinity and NAN by null // replace infinity and NAN by null
if (not std::isfinite(result.m_value.number_float)) if (not std::isfinite(result.m_value.number_float))
@ -11394,7 +11349,7 @@ basic_json_parser_66:
// - start: position after the previous slash // - start: position after the previous slash
for ( for (
// search for the first slash after the first character // search for the first slash after the first character
size_t slash = reference_string.find_first_of("/", 1), size_t slash = reference_string.find_first_of('/', 1),
// set the beginning of the first reference token // set the beginning of the first reference token
start = 1; start = 1;
// we can stop if start == string::npos+1 = 0 // we can stop if start == string::npos+1 = 0
@ -11403,16 +11358,16 @@ basic_json_parser_66:
// (will eventually be 0 if slash == std::string::npos) // (will eventually be 0 if slash == std::string::npos)
start = slash + 1, start = slash + 1,
// find next slash // find next slash
slash = reference_string.find_first_of("/", start)) slash = reference_string.find_first_of('/', start))
{ {
// use the text between the beginning of the reference token // use the text between the beginning of the reference token
// (start) and the last slash (slash). // (start) and the last slash (slash).
auto reference_token = reference_string.substr(start, slash - start); auto reference_token = reference_string.substr(start, slash - start);
// check reference tokens are properly escaped // check reference tokens are properly escaped
for (size_t pos = reference_token.find_first_of("~"); for (size_t pos = reference_token.find_first_of('~');
pos != std::string::npos; pos != std::string::npos;
pos = reference_token.find_first_of("~", pos + 1)) pos = reference_token.find_first_of('~', pos + 1))
{ {
assert(reference_token[pos] == '~'); assert(reference_token[pos] == '~');
@ -12246,7 +12201,7 @@ uses the standard template types.
@since version 1.0.0 @since version 1.0.0
*/ */
using json = basic_json<>; using json = basic_json<>;
} } // namespace nlohmann
/////////////////////// ///////////////////////
@ -12287,7 +12242,7 @@ struct hash<nlohmann::json>
return h(j.dump()); return h(j.dump());
} }
}; };
} } // namespace std
/*! /*!
@brief user-defined string literal for JSON values @brief user-defined string literal for JSON values

297
src/json.hpp.re2c
View file

@ -58,13 +58,11 @@ SOFTWARE.
// exclude unsupported compilers // exclude unsupported compilers
#if defined(__clang__) #if defined(__clang__)
#define CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__) #if (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__) < 30400
#if CLANG_VERSION < 30400
#error "unsupported Clang version - see https://github.com/nlohmann/json#supported-compilers" #error "unsupported Clang version - see https://github.com/nlohmann/json#supported-compilers"
#endif #endif
#elif defined(__GNUC__) #elif defined(__GNUC__)
#define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) #if (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) < 40900
#if GCC_VERSION < 40900
#error "unsupported GCC version - see https://github.com/nlohmann/json#supported-compilers" #error "unsupported GCC version - see https://github.com/nlohmann/json#supported-compilers"
#endif #endif
#endif #endif
@ -128,7 +126,7 @@ struct has_mapped_type
std::is_integral<decltype(detect(std::declval<T>()))>::value; std::is_integral<decltype(detect(std::declval<T>()))>::value;
}; };
} } // namespace
/*! /*!
@brief a class to store JSON values @brief a class to store JSON values
@ -153,7 +151,8 @@ default)
@requirement The class satisfies the following concept requirements: @requirement The class satisfies the following concept requirements:
- Basic - Basic
- [DefaultConstructible](http://en.cppreference.com/w/cpp/concept/DefaultConstructible): - [DefaultConstructible](http://en.cppreference.com/w/cpp/concept/DefaultConstructible):
JSON values can be default constructed. The result will be a JSON null value. JSON values can be default constructed. The result will be a JSON null
value.
- [MoveConstructible](http://en.cppreference.com/w/cpp/concept/MoveConstructible): - [MoveConstructible](http://en.cppreference.com/w/cpp/concept/MoveConstructible):
A JSON value can be constructed from an rvalue argument. A JSON value can be constructed from an rvalue argument.
- [CopyConstructible](http://en.cppreference.com/w/cpp/concept/CopyConstructible): - [CopyConstructible](http://en.cppreference.com/w/cpp/concept/CopyConstructible):
@ -168,8 +167,8 @@ default)
- [StandardLayoutType](http://en.cppreference.com/w/cpp/concept/StandardLayoutType): - [StandardLayoutType](http://en.cppreference.com/w/cpp/concept/StandardLayoutType):
JSON values have JSON values have
[standard layout](http://en.cppreference.com/w/cpp/language/data_members#Standard_layout): [standard layout](http://en.cppreference.com/w/cpp/language/data_members#Standard_layout):
All non-static data members are private and standard layout types, the class All non-static data members are private and standard layout types, the
has no virtual functions or (virtual) base classes. class has no virtual functions or (virtual) base classes.
- Library-wide - Library-wide
- [EqualityComparable](http://en.cppreference.com/w/cpp/concept/EqualityComparable): - [EqualityComparable](http://en.cppreference.com/w/cpp/concept/EqualityComparable):
JSON values can be compared with `==`, see @ref JSON values can be compared with `==`, see @ref
@ -507,6 +506,12 @@ class basic_json
std::string std::string
@endcode @endcode
#### Encoding
Strings are stored in UTF-8 encoding. Therefore, functions like
`std::string::size()` or `std::string::length()` return the number of
bytes in the string rather than the number of characters or glyphs.
#### String comparison #### String comparison
[RFC 7159](http://rfc7159.net/rfc7159) states: [RFC 7159](http://rfc7159.net/rfc7159) states:
@ -825,7 +830,7 @@ class basic_json
}; };
std::unique_ptr<T, decltype(deleter)> object(alloc.allocate(1), deleter); std::unique_ptr<T, decltype(deleter)> object(alloc.allocate(1), deleter);
alloc.construct(object.get(), std::forward<Args>(args)...); alloc.construct(object.get(), std::forward<Args>(args)...);
assert(object.get() != nullptr); assert(object != nullptr);
return object.release(); return object.release();
} }
@ -1952,13 +1957,15 @@ class basic_json
case value_t::object: case value_t::object:
{ {
m_value.object = create<object_t>(first.m_it.object_iterator, last.m_it.object_iterator); m_value.object = create<object_t>(first.m_it.object_iterator,
last.m_it.object_iterator);
break; break;
} }
case value_t::array: case value_t::array:
{ {
m_value.array = create<array_t>(first.m_it.array_iterator, last.m_it.array_iterator); m_value.array = create<array_t>(first.m_it.array_iterator,
last.m_it.array_iterator);
break; break;
} }
@ -2641,29 +2648,25 @@ class basic_json
template<class T, typename std::enable_if< template<class T, typename std::enable_if<
std::is_convertible<typename object_t::key_type, typename T::key_type>::value and std::is_convertible<typename object_t::key_type, typename T::key_type>::value and
std::is_convertible<basic_json_t, typename T::mapped_type>::value, int>::type = 0> std::is_convertible<basic_json_t, typename T::mapped_type>::value, int>::type = 0>
T get_impl(T*) const T get_impl(T* /*unused*/) const
{ {
if (is_object()) if (is_object())
{ {
return T(m_value.object->begin(), m_value.object->end()); return T(m_value.object->begin(), m_value.object->end());
} }
else
{ throw std::domain_error("type must be object, but is " + type_name());
throw std::domain_error("type must be object, but is " + type_name());
}
} }
/// get an object (explicit) /// get an object (explicit)
object_t get_impl(object_t*) const object_t get_impl(object_t* /*unused*/) const
{ {
if (is_object()) if (is_object())
{ {
return *(m_value.object); return *(m_value.object);
} }
else
{ throw std::domain_error("type must be object, but is " + type_name());
throw std::domain_error("type must be object, but is " + type_name());
}
} }
/// get an array (explicit) /// get an array (explicit)
@ -2673,7 +2676,7 @@ class basic_json
not std::is_arithmetic<T>::value and not std::is_arithmetic<T>::value and
not std::is_convertible<std::string, T>::value and not std::is_convertible<std::string, T>::value and
not has_mapped_type<T>::value, int>::type = 0> not has_mapped_type<T>::value, int>::type = 0>
T get_impl(T*) const T get_impl(T* /*unused*/) const
{ {
if (is_array()) if (is_array())
{ {
@ -2685,17 +2688,15 @@ class basic_json
}); });
return to_vector; return to_vector;
} }
else
{ throw std::domain_error("type must be array, but is " + type_name());
throw std::domain_error("type must be array, but is " + type_name());
}
} }
/// get an array (explicit) /// get an array (explicit)
template<class T, typename std::enable_if< template<class T, typename std::enable_if<
std::is_convertible<basic_json_t, T>::value and std::is_convertible<basic_json_t, T>::value and
not std::is_same<basic_json_t, T>::value, int>::type = 0> not std::is_same<basic_json_t, T>::value, int>::type = 0>
std::vector<T> get_impl(std::vector<T>*) const std::vector<T> get_impl(std::vector<T>* /*unused*/) const
{ {
if (is_array()) if (is_array())
{ {
@ -2708,60 +2709,52 @@ class basic_json
}); });
return to_vector; return to_vector;
} }
else
{ throw std::domain_error("type must be array, but is " + type_name());
throw std::domain_error("type must be array, but is " + type_name());
}
} }
/// get an array (explicit) /// get an array (explicit)
template<class T, typename std::enable_if< template<class T, typename std::enable_if<
std::is_same<basic_json, typename T::value_type>::value and std::is_same<basic_json, typename T::value_type>::value and
not has_mapped_type<T>::value, int>::type = 0> not has_mapped_type<T>::value, int>::type = 0>
T get_impl(T*) const T get_impl(T* /*unused*/) const
{ {
if (is_array()) if (is_array())
{ {
return T(m_value.array->begin(), m_value.array->end()); return T(m_value.array->begin(), m_value.array->end());
} }
else
{ throw std::domain_error("type must be array, but is " + type_name());
throw std::domain_error("type must be array, but is " + type_name());
}
} }
/// get an array (explicit) /// get an array (explicit)
array_t get_impl(array_t*) const array_t get_impl(array_t* /*unused*/) const
{ {
if (is_array()) if (is_array())
{ {
return *(m_value.array); return *(m_value.array);
} }
else
{ throw std::domain_error("type must be array, but is " + type_name());
throw std::domain_error("type must be array, but is " + type_name());
}
} }
/// get a string (explicit) /// get a string (explicit)
template<typename T, typename std::enable_if< template<typename T, typename std::enable_if<
std::is_convertible<string_t, T>::value, int>::type = 0> std::is_convertible<string_t, T>::value, int>::type = 0>
T get_impl(T*) const T get_impl(T* /*unused*/) const
{ {
if (is_string()) if (is_string())
{ {
return *m_value.string; return *m_value.string;
} }
else
{ throw std::domain_error("type must be string, but is " + type_name());
throw std::domain_error("type must be string, but is " + type_name());
}
} }
/// get a number (explicit) /// get a number (explicit)
template<typename T, typename std::enable_if< template<typename T, typename std::enable_if<
std::is_arithmetic<T>::value, int>::type = 0> std::is_arithmetic<T>::value, int>::type = 0>
T get_impl(T*) const T get_impl(T* /*unused*/) const
{ {
switch (m_type) switch (m_type)
{ {
@ -2788,7 +2781,7 @@ class basic_json
} }
/// get a boolean (explicit) /// get a boolean (explicit)
constexpr boolean_t get_impl(boolean_t*) const constexpr boolean_t get_impl(boolean_t* /*unused*/) const
{ {
return is_boolean() return is_boolean()
? m_value.boolean ? m_value.boolean
@ -2796,85 +2789,85 @@ class basic_json
} }
/// get a pointer to the value (object) /// get a pointer to the value (object)
object_t* get_impl_ptr(object_t*) noexcept object_t* get_impl_ptr(object_t* /*unused*/) noexcept
{ {
return is_object() ? m_value.object : nullptr; return is_object() ? m_value.object : nullptr;
} }
/// get a pointer to the value (object) /// get a pointer to the value (object)
constexpr const object_t* get_impl_ptr(const object_t*) const noexcept constexpr const object_t* get_impl_ptr(const object_t* /*unused*/) const noexcept
{ {
return is_object() ? m_value.object : nullptr; return is_object() ? m_value.object : nullptr;
} }
/// get a pointer to the value (array) /// get a pointer to the value (array)
array_t* get_impl_ptr(array_t*) noexcept array_t* get_impl_ptr(array_t* /*unused*/) noexcept
{ {
return is_array() ? m_value.array : nullptr; return is_array() ? m_value.array : nullptr;
} }
/// get a pointer to the value (array) /// get a pointer to the value (array)
constexpr const array_t* get_impl_ptr(const array_t*) const noexcept constexpr const array_t* get_impl_ptr(const array_t* /*unused*/) const noexcept
{ {
return is_array() ? m_value.array : nullptr; return is_array() ? m_value.array : nullptr;
} }
/// get a pointer to the value (string) /// get a pointer to the value (string)
string_t* get_impl_ptr(string_t*) noexcept string_t* get_impl_ptr(string_t* /*unused*/) noexcept
{ {
return is_string() ? m_value.string : nullptr; return is_string() ? m_value.string : nullptr;
} }
/// get a pointer to the value (string) /// get a pointer to the value (string)
constexpr const string_t* get_impl_ptr(const string_t*) const noexcept constexpr const string_t* get_impl_ptr(const string_t* /*unused*/) const noexcept
{ {
return is_string() ? m_value.string : nullptr; return is_string() ? m_value.string : nullptr;
} }
/// get a pointer to the value (boolean) /// get a pointer to the value (boolean)
boolean_t* get_impl_ptr(boolean_t*) noexcept boolean_t* get_impl_ptr(boolean_t* /*unused*/) noexcept
{ {
return is_boolean() ? &m_value.boolean : nullptr; return is_boolean() ? &m_value.boolean : nullptr;
} }
/// get a pointer to the value (boolean) /// get a pointer to the value (boolean)
constexpr const boolean_t* get_impl_ptr(const boolean_t*) const noexcept constexpr const boolean_t* get_impl_ptr(const boolean_t* /*unused*/) const noexcept
{ {
return is_boolean() ? &m_value.boolean : nullptr; return is_boolean() ? &m_value.boolean : nullptr;
} }
/// get a pointer to the value (integer number) /// get a pointer to the value (integer number)
number_integer_t* get_impl_ptr(number_integer_t*) noexcept number_integer_t* get_impl_ptr(number_integer_t* /*unused*/) noexcept
{ {
return is_number_integer() ? &m_value.number_integer : nullptr; return is_number_integer() ? &m_value.number_integer : nullptr;
} }
/// get a pointer to the value (integer number) /// get a pointer to the value (integer number)
constexpr const number_integer_t* get_impl_ptr(const number_integer_t*) const noexcept constexpr const number_integer_t* get_impl_ptr(const number_integer_t* /*unused*/) const noexcept
{ {
return is_number_integer() ? &m_value.number_integer : nullptr; return is_number_integer() ? &m_value.number_integer : nullptr;
} }
/// get a pointer to the value (unsigned number) /// get a pointer to the value (unsigned number)
number_unsigned_t* get_impl_ptr(number_unsigned_t*) noexcept number_unsigned_t* get_impl_ptr(number_unsigned_t* /*unused*/) noexcept
{ {
return is_number_unsigned() ? &m_value.number_unsigned : nullptr; return is_number_unsigned() ? &m_value.number_unsigned : nullptr;
} }
/// get a pointer to the value (unsigned number) /// get a pointer to the value (unsigned number)
constexpr const number_unsigned_t* get_impl_ptr(const number_unsigned_t*) const noexcept constexpr const number_unsigned_t* get_impl_ptr(const number_unsigned_t* /*unused*/) const noexcept
{ {
return is_number_unsigned() ? &m_value.number_unsigned : nullptr; return is_number_unsigned() ? &m_value.number_unsigned : nullptr;
} }
/// get a pointer to the value (floating-point number) /// get a pointer to the value (floating-point number)
number_float_t* get_impl_ptr(number_float_t*) noexcept number_float_t* get_impl_ptr(number_float_t* /*unused*/) noexcept
{ {
return is_number_float() ? &m_value.number_float : nullptr; return is_number_float() ? &m_value.number_float : nullptr;
} }
/// get a pointer to the value (floating-point number) /// get a pointer to the value (floating-point number)
constexpr const number_float_t* get_impl_ptr(const number_float_t*) const noexcept constexpr const number_float_t* get_impl_ptr(const number_float_t* /*unused*/) const noexcept
{ {
return is_number_float() ? &m_value.number_float : nullptr; return is_number_float() ? &m_value.number_float : nullptr;
} }
@ -2903,11 +2896,9 @@ class basic_json
{ {
return *ptr; return *ptr;
} }
else
{ throw std::domain_error("incompatible ReferenceType for get_ref, actual type is " +
throw std::domain_error("incompatible ReferenceType for get_ref, actual type is " + obj.type_name());
obj.type_name());
}
} }
public: public:
@ -3158,7 +3149,7 @@ class basic_json
template < typename ValueType, typename std::enable_if < template < typename ValueType, typename std::enable_if <
not std::is_pointer<ValueType>::value and not std::is_pointer<ValueType>::value and
not std::is_same<ValueType, typename string_t::value_type>::value not std::is_same<ValueType, typename string_t::value_type>::value
#ifndef _MSC_VER // Fix for issue #167 operator<< abiguity under VS2015 #ifndef _MSC_VER // fix for issue #167 operator<< abiguity under VS2015
and not std::is_same<ValueType, std::initializer_list<typename string_t::value_type>>::value and not std::is_same<ValueType, std::initializer_list<typename string_t::value_type>>::value
#endif #endif
, int >::type = 0 > , int >::type = 0 >
@ -3407,10 +3398,8 @@ class basic_json
return m_value.array->operator[](idx); return m_value.array->operator[](idx);
} }
else
{ throw std::domain_error("cannot use operator[] with " + type_name());
throw std::domain_error("cannot use operator[] with " + type_name());
}
} }
/*! /*!
@ -3439,10 +3428,8 @@ class basic_json
{ {
return m_value.array->operator[](idx); return m_value.array->operator[](idx);
} }
else
{ throw std::domain_error("cannot use operator[] with " + type_name());
throw std::domain_error("cannot use operator[] with " + type_name());
}
} }
/*! /*!
@ -3487,10 +3474,8 @@ class basic_json
{ {
return m_value.object->operator[](key); return m_value.object->operator[](key);
} }
else
{ throw std::domain_error("cannot use operator[] with " + type_name());
throw std::domain_error("cannot use operator[] with " + type_name());
}
} }
/*! /*!
@ -3531,10 +3516,8 @@ class basic_json
assert(m_value.object->find(key) != m_value.object->end()); assert(m_value.object->find(key) != m_value.object->end());
return m_value.object->find(key)->second; return m_value.object->find(key)->second;
} }
else
{ throw std::domain_error("cannot use operator[] with " + type_name());
throw std::domain_error("cannot use operator[] with " + type_name());
}
} }
/*! /*!
@ -3648,10 +3631,8 @@ class basic_json
{ {
return m_value.object->operator[](key); return m_value.object->operator[](key);
} }
else
{ throw std::domain_error("cannot use operator[] with " + type_name());
throw std::domain_error("cannot use operator[] with " + type_name());
}
} }
/*! /*!
@ -3693,10 +3674,8 @@ class basic_json
assert(m_value.object->find(key) != m_value.object->end()); assert(m_value.object->find(key) != m_value.object->end());
return m_value.object->find(key)->second; return m_value.object->find(key)->second;
} }
else
{ throw std::domain_error("cannot use operator[] with " + type_name());
throw std::domain_error("cannot use operator[] with " + type_name());
}
} }
/*! /*!
@ -3760,10 +3739,8 @@ class basic_json
{ {
return *it; return *it;
} }
else
{ return default_value;
return default_value;
}
} }
else else
{ {
@ -3838,10 +3815,8 @@ class basic_json
return default_value; return default_value;
} }
} }
else
{ throw std::domain_error("cannot use value() with " + type_name());
throw std::domain_error("cannot use value() with " + type_name());
}
} }
/*! /*!
@ -4189,10 +4164,8 @@ class basic_json
{ {
return m_value.object->erase(key); return m_value.object->erase(key);
} }
else
{ throw std::domain_error("cannot use erase() with " + type_name());
throw std::domain_error("cannot use erase() with " + type_name());
}
} }
/*! /*!
@ -5155,8 +5128,8 @@ class basic_json
/*! /*!
@brief add an object to an object if key does not exist @brief add an object to an object if key does not exist
Inserts a new element into a JSON object constructed in-place with the given Inserts a new element into a JSON object constructed in-place with the
@a args if there is no element with the key in the container. If the given @a args if there is no element with the key in the container. If the
function is called on a JSON null value, an empty object is created before function is called on a JSON null value, an empty object is created before
appending the value created from @a args. appending the value created from @a args.
@ -5221,8 +5194,8 @@ class basic_json
@throw std::domain_error if @a pos is not an iterator of *this; example: @throw std::domain_error if @a pos is not an iterator of *this; example:
`"iterator does not fit current value"` `"iterator does not fit current value"`
@complexity Constant plus linear in the distance between pos and end of the @complexity Constant plus linear in the distance between pos and end of
container. the container.
@liveexample{The example shows how `insert()` is used.,insert} @liveexample{The example shows how `insert()` is used.,insert}
@ -5244,10 +5217,8 @@ class basic_json
result.m_it.array_iterator = m_value.array->insert(pos.m_it.array_iterator, val); result.m_it.array_iterator = m_value.array->insert(pos.m_it.array_iterator, val);
return result; return result;
} }
else
{ throw std::domain_error("cannot use insert() with " + type_name());
throw std::domain_error("cannot use insert() with " + type_name());
}
} }
/*! /*!
@ -5299,10 +5270,8 @@ class basic_json
result.m_it.array_iterator = m_value.array->insert(pos.m_it.array_iterator, cnt, val); result.m_it.array_iterator = m_value.array->insert(pos.m_it.array_iterator, cnt, val);
return result; return result;
} }
else
{ throw std::domain_error("cannot use insert() with " + type_name());
throw std::domain_error("cannot use insert() with " + type_name());
}
} }
/*! /*!
@ -5452,8 +5421,8 @@ class basic_json
@param[in,out] other array to exchange the contents with @param[in,out] other array to exchange the contents with
@throw std::domain_error when JSON value is not an array; example: `"cannot @throw std::domain_error when JSON value is not an array; example:
use swap() with string"` `"cannot use swap() with string"`
@complexity Constant. @complexity Constant.
@ -6180,7 +6149,7 @@ class basic_json
{ {
// assertion to check that the iterator range is indeed contiguous, // assertion to check that the iterator range is indeed contiguous,
// see http://stackoverflow.com/a/35008842/266378 for more discussion // see http://stackoverflow.com/a/35008842/266378 for more discussion
assert(std::accumulate(first, last, std::make_pair<bool, int>(true, 0), assert(std::accumulate(first, last, std::pair<bool, int>(true, 0),
[&first](std::pair<bool, int> res, decltype(*first) val) [&first](std::pair<bool, int> res, decltype(*first) val)
{ {
res.first &= (val == *(std::next(std::addressof(*first), res.second++))); res.first &= (val == *(std::next(std::addressof(*first), res.second++)));
@ -6385,7 +6354,7 @@ class basic_json
} }
T result; T result;
uint8_t* ptr = reinterpret_cast<uint8_t*>(&result); auto* ptr = reinterpret_cast<uint8_t*>(&result);
for (size_t i = 0; i < sizeof(T); ++i) for (size_t i = 0; i < sizeof(T); ++i)
{ {
*ptr++ = vec[current_index + sizeof(T) - i]; *ptr++ = vec[current_index + sizeof(T) - i];
@ -6426,8 +6395,9 @@ class basic_json
if (j.m_value.number_integer >= 0) if (j.m_value.number_integer >= 0)
{ {
// MessagePack does not differentiate between positive // MessagePack does not differentiate between positive
// signed integers and unsigned integers. Therefore, we used // signed integers and unsigned integers. Therefore, we
// the code from the value_t::number_unsigned case here. // used the code from the value_t::number_unsigned case
// here.
if (j.m_value.number_unsigned < 128) if (j.m_value.number_unsigned < 128)
{ {
// positive fixnum // positive fixnum
@ -6531,7 +6501,7 @@ class basic_json
{ {
// float 64 // float 64
v.push_back(0xcb); v.push_back(0xcb);
const uint8_t* helper = reinterpret_cast<const uint8_t*>(&(j.m_value.number_float)); const auto* helper = reinterpret_cast<const uint8_t*>(&(j.m_value.number_float));
for (size_t i = 0; i < 8; ++i) for (size_t i = 0; i < 8; ++i)
{ {
v.push_back(helper[7 - i]); v.push_back(helper[7 - i]);
@ -6702,8 +6672,8 @@ class basic_json
} }
else else
{ {
// The conversions below encode the sign in the first byte, // The conversions below encode the sign in the first
// and the value is converted to a positive number. // byte, and the value is converted to a positive number.
const auto positive_number = -1 - j.m_value.number_integer; const auto positive_number = -1 - j.m_value.number_integer;
if (j.m_value.number_integer >= -24) if (j.m_value.number_integer >= -24)
{ {
@ -6774,7 +6744,7 @@ class basic_json
{ {
// Double-Precision Float // Double-Precision Float
v.push_back(0xfb); v.push_back(0xfb);
const uint8_t* helper = reinterpret_cast<const uint8_t*>(&(j.m_value.number_float)); const auto* helper = reinterpret_cast<const uint8_t*>(&(j.m_value.number_float));
for (size_t i = 0; i < 8; ++i) for (size_t i = 0; i < 8; ++i)
{ {
v.push_back(helper[7 - i]); v.push_back(helper[7 - i]);
@ -6908,12 +6878,12 @@ class basic_json
To secure the access to the byte vector during CBOR/MessagePack To secure the access to the byte vector during CBOR/MessagePack
deserialization, bytes are copied from the vector into buffers. This deserialization, bytes are copied from the vector into buffers. This
function checks if the number of bytes to copy (@a len) does not exceed the function checks if the number of bytes to copy (@a len) does not exceed
size @s size of the vector. Additionally, an @a offset is given from where the size @s size of the vector. Additionally, an @a offset is given from
to start reading the bytes. where to start reading the bytes.
This function checks whether reading the bytes is safe; that is, offset is a This function checks whether reading the bytes is safe; that is, offset is
valid index in the vector, offset+len a valid index in the vector, offset+len
@param[in] size size of the byte vector @param[in] size size of the byte vector
@param[in] len number of bytes to read @param[in] len number of bytes to read
@ -6974,7 +6944,7 @@ class basic_json
{ {
return v[current_idx]; return v[current_idx];
} }
else if (v[current_idx] <= 0x8f) // fixmap if (v[current_idx] <= 0x8f) // fixmap
{ {
basic_json result = value_t::object; basic_json result = value_t::object;
const size_t len = v[current_idx] & 0x0f; const size_t len = v[current_idx] & 0x0f;
@ -7030,11 +7000,10 @@ class basic_json
case 0xca: // float 32 case 0xca: // float 32
{ {
// copy bytes in reverse order into the double variable // copy bytes in reverse order into the double variable
check_length(v.size(), sizeof(float), 1);
float res; float res;
for (size_t byte = 0; byte < sizeof(float); ++byte) for (size_t byte = 0; byte < sizeof(float); ++byte)
{ {
reinterpret_cast<uint8_t*>(&res)[sizeof(float) - byte - 1] = v[current_idx + 1 + byte]; reinterpret_cast<uint8_t*>(&res)[sizeof(float) - byte - 1] = v.at(current_idx + 1 + byte);
} }
idx += sizeof(float); // skip content bytes idx += sizeof(float); // skip content bytes
return res; return res;
@ -7043,11 +7012,10 @@ class basic_json
case 0xcb: // float 64 case 0xcb: // float 64
{ {
// copy bytes in reverse order into the double variable // copy bytes in reverse order into the double variable
check_length(v.size(), sizeof(double), 1);
double res; double res;
for (size_t byte = 0; byte < sizeof(double); ++byte) for (size_t byte = 0; byte < sizeof(double); ++byte)
{ {
reinterpret_cast<uint8_t*>(&res)[sizeof(double) - byte - 1] = v[current_idx + 1 + byte]; reinterpret_cast<uint8_t*>(&res)[sizeof(double) - byte - 1] = v.at(current_idx + 1 + byte);
} }
idx += sizeof(double); // skip content bytes idx += sizeof(double); // skip content bytes
return res; return res;
@ -7609,7 +7577,6 @@ class basic_json
case 0xf9: // Half-Precision Float (two-byte IEEE 754) case 0xf9: // Half-Precision Float (two-byte IEEE 754)
{ {
check_length(v.size(), 2, 1);
idx += 2; // skip two content bytes idx += 2; // skip two content bytes
// code from RFC 7049, Appendix D, Figure 3: // code from RFC 7049, Appendix D, Figure 3:
@ -7619,7 +7586,7 @@ class basic_json
// include at least decoding support for them even without such // include at least decoding support for them even without such
// support. An example of a small decoder for half-precision // support. An example of a small decoder for half-precision
// floating-point numbers in the C language is shown in Fig. 3. // floating-point numbers in the C language is shown in Fig. 3.
const int half = (v[current_idx + 1] << 8) + v[current_idx + 2]; const int half = (v.at(current_idx + 1) << 8) + v.at(current_idx + 2);
const int exp = (half >> 10) & 0x1f; const int exp = (half >> 10) & 0x1f;
const int mant = half & 0x3ff; const int mant = half & 0x3ff;
double val; double val;
@ -7635,17 +7602,16 @@ class basic_json
{ {
val = mant == 0 ? INFINITY : NAN; val = mant == 0 ? INFINITY : NAN;
} }
return half & 0x8000 ? -val : val; return (half & 0x8000) != 0 ? -val : val;
} }
case 0xfa: // Single-Precision Float (four-byte IEEE 754) case 0xfa: // Single-Precision Float (four-byte IEEE 754)
{ {
// copy bytes in reverse order into the float variable // copy bytes in reverse order into the float variable
check_length(v.size(), sizeof(float), 1);
float res; float res;
for (size_t byte = 0; byte < sizeof(float); ++byte) for (size_t byte = 0; byte < sizeof(float); ++byte)
{ {
reinterpret_cast<uint8_t*>(&res)[sizeof(float) - byte - 1] = v[current_idx + 1 + byte]; reinterpret_cast<uint8_t*>(&res)[sizeof(float) - byte - 1] = v.at(current_idx + 1 + byte);
} }
idx += sizeof(float); // skip content bytes idx += sizeof(float); // skip content bytes
return res; return res;
@ -7653,12 +7619,11 @@ class basic_json
case 0xfb: // Double-Precision Float (eight-byte IEEE 754) case 0xfb: // Double-Precision Float (eight-byte IEEE 754)
{ {
check_length(v.size(), sizeof(double), 1);
// copy bytes in reverse order into the double variable // copy bytes in reverse order into the double variable
double res; double res;
for (size_t byte = 0; byte < sizeof(double); ++byte) for (size_t byte = 0; byte < sizeof(double); ++byte)
{ {
reinterpret_cast<uint8_t*>(&res)[sizeof(double) - byte - 1] = v[current_idx + 1 + byte]; reinterpret_cast<uint8_t*>(&res)[sizeof(double) - byte - 1] = v.at(current_idx + 1 + byte);
} }
idx += sizeof(double); // skip content bytes idx += sizeof(double); // skip content bytes
return res; return res;
@ -7858,10 +7823,8 @@ class basic_json
// from c (1 byte) to \uxxxx (6 bytes) // from c (1 byte) to \uxxxx (6 bytes)
return res + 5; return res + 5;
} }
else
{ return res;
return res;
}
} }
} }
}); });
@ -8567,10 +8530,8 @@ class basic_json
{ {
return *m_object; return *m_object;
} }
else
{ throw std::out_of_range("cannot get value");
throw std::out_of_range("cannot get value");
}
} }
} }
} }
@ -8603,10 +8564,8 @@ class basic_json
{ {
return m_object; return m_object;
} }
else
{ throw std::out_of_range("cannot get value");
throw std::out_of_range("cannot get value");
}
} }
} }
} }
@ -8919,10 +8878,8 @@ class basic_json
{ {
return *m_object; return *m_object;
} }
else
{ throw std::out_of_range("cannot get value");
throw std::out_of_range("cannot get value");
}
} }
} }
} }
@ -8939,10 +8896,8 @@ class basic_json
{ {
return m_it.object_iterator->first; return m_it.object_iterator->first;
} }
else
{ throw std::domain_error("cannot use key() for non-object iterators");
throw std::domain_error("cannot use key() for non-object iterators");
}
} }
/*! /*!
@ -9417,7 +9372,7 @@ class basic_json
assert(m_marker == nullptr or m_marker <= m_limit); assert(m_marker == nullptr or m_marker <= m_limit);
// number of processed characters (p) // number of processed characters (p)
const size_t num_processed_chars = static_cast<size_t>(m_start - m_content); const auto num_processed_chars = static_cast<size_t>(m_start - m_content);
// offset for m_marker wrt. to m_start // offset for m_marker wrt. to m_start
const auto offset_marker = (m_marker == nullptr) ? 0 : m_marker - m_start; const auto offset_marker = (m_marker == nullptr) ? 0 : m_marker - m_start;
// number of unprocessed characters (u) // number of unprocessed characters (u)
@ -9809,7 +9764,7 @@ class basic_json
else else
{ {
// parse with strtod // parse with strtod
result.m_value.number_float = str_to_float_t(static_cast<number_float_t*>(nullptr), NULL); result.m_value.number_float = str_to_float_t(static_cast<number_float_t*>(nullptr), nullptr);
// replace infinity and NAN by null // replace infinity and NAN by null
if (not std::isfinite(result.m_value.number_float)) if (not std::isfinite(result.m_value.number_float))
@ -10544,7 +10499,7 @@ class basic_json
// - start: position after the previous slash // - start: position after the previous slash
for ( for (
// search for the first slash after the first character // search for the first slash after the first character
size_t slash = reference_string.find_first_of("/", 1), size_t slash = reference_string.find_first_of('/', 1),
// set the beginning of the first reference token // set the beginning of the first reference token
start = 1; start = 1;
// we can stop if start == string::npos+1 = 0 // we can stop if start == string::npos+1 = 0
@ -10553,16 +10508,16 @@ class basic_json
// (will eventually be 0 if slash == std::string::npos) // (will eventually be 0 if slash == std::string::npos)
start = slash + 1, start = slash + 1,
// find next slash // find next slash
slash = reference_string.find_first_of("/", start)) slash = reference_string.find_first_of('/', start))
{ {
// use the text between the beginning of the reference token // use the text between the beginning of the reference token
// (start) and the last slash (slash). // (start) and the last slash (slash).
auto reference_token = reference_string.substr(start, slash - start); auto reference_token = reference_string.substr(start, slash - start);
// check reference tokens are properly escaped // check reference tokens are properly escaped
for (size_t pos = reference_token.find_first_of("~"); for (size_t pos = reference_token.find_first_of('~');
pos != std::string::npos; pos != std::string::npos;
pos = reference_token.find_first_of("~", pos + 1)) pos = reference_token.find_first_of('~', pos + 1))
{ {
assert(reference_token[pos] == '~'); assert(reference_token[pos] == '~');
@ -11396,7 +11351,7 @@ uses the standard template types.
@since version 1.0.0 @since version 1.0.0
*/ */
using json = basic_json<>; using json = basic_json<>;
} } // namespace nlohmann
/////////////////////// ///////////////////////
@ -11437,7 +11392,7 @@ struct hash<nlohmann::json>
return h(j.dump()); return h(j.dump());
} }
}; };
} } // namespace std
/*! /*!
@brief user-defined string literal for JSON values @brief user-defined string literal for JSON values

9
test/Makefile
View file

@ -52,7 +52,7 @@ TESTCASES = $(patsubst src/unit-%.cpp,test-%,$(wildcard src/unit-*.cpp))
all: $(TESTCASES) all: $(TESTCASES)
clean: clean:
rm -fr json_unit $(OBJECTS) $(SOURCES:.cpp=.gcno) $(SOURCES:.cpp=.gcda) $(TESTCASES) rm -fr json_unit $(OBJECTS) $(SOURCES:.cpp=.gcno) $(SOURCES:.cpp=.gcda) $(TESTCASES) parse_afl_fuzzer parse_cbor_fuzzer parse_msgpack_fuzzer
############################################################################## ##############################################################################
# single test file # single test file
@ -85,13 +85,14 @@ check: $(TESTCASES)
# fuzzer # fuzzer
############################################################################## ##############################################################################
FUZZER_ENGINE = src/fuzzer-driver_afl.cpp
fuzzers: parse_afl_fuzzer parse_cbor_fuzzer parse_msgpack_fuzzer fuzzers: parse_afl_fuzzer parse_cbor_fuzzer parse_msgpack_fuzzer
parse_afl_fuzzer: parse_afl_fuzzer:
$(CXX) $(CXXFLAGS) $(CPPFLAGS) src/fuzzer-driver_afl.cpp src/fuzzer-parse_json.cpp -o $@ $(CXX) $(CXXFLAGS) $(CPPFLAGS) $(FUZZER_ENGINE) src/fuzzer-parse_json.cpp -o $@
parse_cbor_fuzzer: parse_cbor_fuzzer:
$(CXX) $(CXXFLAGS) $(CPPFLAGS) src/fuzzer-driver_afl.cpp src/fuzzer-parse_cbor.cpp -o $@ $(CXX) $(CXXFLAGS) $(CPPFLAGS) $(FUZZER_ENGINE) src/fuzzer-parse_cbor.cpp -o $@
parse_msgpack_fuzzer: parse_msgpack_fuzzer:
$(CXX) $(CXXFLAGS) $(CPPFLAGS) src/fuzzer-driver_afl.cpp src/fuzzer-parse_msgpack.cpp -o $@ $(CXX) $(CXXFLAGS) $(CPPFLAGS) $(FUZZER_ENGINE) src/fuzzer-parse_msgpack.cpp -o $@

2
test/src/unit-allocator.cpp
View file

@ -80,7 +80,7 @@ struct my_allocator : std::allocator<T>
} }
else else
{ {
::new(reinterpret_cast<void*>(p)) T(std::forward<Args>(args)...); ::new (reinterpret_cast<void*>(p)) T(std::forward<Args>(args)...);
} }
} }

2
test/src/unit-constructor1.cpp
View file

@ -912,7 +912,7 @@ TEST_CASE("constructors")
SECTION("array") SECTION("array")
{ {
json j { {"one", 1}, {"two", 1u}, {"three", 2.2}, {"four", false} , 13 }; json j { {"one", 1}, {"two", 1u}, {"three", 2.2}, {"four", false}, 13 };
CHECK(j.type() == json::value_t::array); CHECK(j.type() == json::value_t::array);
} }
} }

27
test/src/unit-regression.cpp
View file

@ -663,4 +663,31 @@ TEST_CASE("regression tests")
std::vector<uint8_t> vec3 {0xbf, 0x61, 0x61, 0x01}; std::vector<uint8_t> vec3 {0xbf, 0x61, 0x61, 0x01};
CHECK_THROWS_AS(json::from_cbor(vec3), std::out_of_range); CHECK_THROWS_AS(json::from_cbor(vec3), std::out_of_range);
} }
SECTION("issue #416 - Use-of-uninitialized-value (OSS-Fuzz issue 377)")
{
// original test case
std::vector<uint8_t> vec1
{
0x94, 0xfa, 0xfa, 0xfa, 0xfa, 0xfa, 0xfa, 0xfa,
0x3a, 0x96, 0x96, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4,
0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0x71,
0xb4, 0xb4, 0xfa, 0xfa, 0xfa, 0xfa, 0xfa, 0x3a,
0x96, 0x96, 0xb4, 0xb4, 0xfa, 0x94, 0x94, 0x61,
0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0xfa
};
CHECK_THROWS_AS(json::from_cbor(vec1), std::out_of_range);
// related test case: double-precision
std::vector<uint8_t> vec2
{
0x94, 0xfa, 0xfa, 0xfa, 0xfa, 0xfa, 0xfa, 0xfa,
0x3a, 0x96, 0x96, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4,
0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0x71,
0xb4, 0xb4, 0xfa, 0xfa, 0xfa, 0xfa, 0xfa, 0x3a,
0x96, 0x96, 0xb4, 0xb4, 0xfa, 0x94, 0x94, 0x61,
0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0xfb
};
CHECK_THROWS_AS(json::from_cbor(vec2), std::out_of_range);
}
} }