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🔨 clean up

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This commit is contained in:
Niels Lohmann 2019-03-18 13:53:48 +01:00
parent 9fc093c9e0
commit 8d3f4f21bc
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GPG key ID: 7F3CEA63AE251B69
11 changed files with 432 additions and 512 deletions
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4
include/nlohmann/detail/conversions/to_chars.hpp
View file

@ -204,7 +204,7 @@ boundaries compute_boundaries(FloatType value)
const std::uint64_t E = bits >> (kPrecision - 1);
const std::uint64_t F = bits & (kHiddenBit - 1);
const bool is_denormal = (E == 0);
const bool is_denormal = E == 0;
const diyfp v = is_denormal
? diyfp(F, kMinExp)
: diyfp(F + kHiddenBit, static_cast<int>(E) - kBias);
@ -230,7 +230,7 @@ boundaries compute_boundaries(FloatType value)
// -----------------+------+------+-------------+-------------+--- (B)
// v- m- v m+ v+
const bool lower_boundary_is_closer = (F == 0 and E > 1);
const bool lower_boundary_is_closer = F == 0 and E > 1;
const diyfp m_plus = diyfp(2 * v.f + 1, v.e - 1);
const diyfp m_minus = lower_boundary_is_closer
? diyfp(4 * v.f - 1, v.e - 2) // (B)

23
include/nlohmann/detail/input/binary_reader.hpp
View file

@ -91,10 +91,8 @@ class binary_reader
result = parse_ubjson_internal();
break;
// LCOV_EXCL_START
default:
assert(false);
// LCOV_EXCL_STOP
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
}
// strict mode: next byte must be EOF
@ -128,7 +126,7 @@ class binary_reader
*/
static constexpr bool little_endianess(int num = 1) noexcept
{
return (*reinterpret_cast<char*>(&num) == 1);
return *reinterpret_cast<char*>(&num) == 1;
}
private:
@ -305,12 +303,9 @@ class binary_reader
return false;
}
if (not is_array)
if (not is_array and not sax->key(key))
{
if (not sax->key(key))
{
return false;
}
return false;
}
if (JSON_UNLIKELY(not parse_bson_element_internal(element_type, element_type_parse_position)))
@ -1818,7 +1813,7 @@ class binary_reader
int get()
{
++chars_read;
return (current = ia->get_character());
return current = ia->get_character();
}
/*!
@ -1964,10 +1959,8 @@ class binary_reader
error_msg += "BSON";
break;
// LCOV_EXCL_START
default:
assert(false);
// LCOV_EXCL_STOP
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
}
return error_msg + " " + context + ": " + detail;

2
include/nlohmann/detail/input/input_adapters.hpp
View file

@ -286,7 +286,7 @@ template<typename WideStringType>
class wide_string_input_adapter : public input_adapter_protocol
{
public:
explicit wide_string_input_adapter(const WideStringType& w) noexcept
explicit wide_string_input_adapter(const WideStringType& w) noexcept
: str(w)
{}

85
include/nlohmann/detail/input/json_sax.hpp
View file

@ -303,12 +303,11 @@ class json_sax_dom_parser
ref_stack.back()->m_value.array->emplace_back(std::forward<Value>(v));
return &(ref_stack.back()->m_value.array->back());
}
else
{
assert(object_element);
*object_element = BasicJsonType(std::forward<Value>(v));
return object_element;
}
assert(ref_stack.back()->is_object())
assert(object_element);
*object_element = BasicJsonType(std::forward<Value>(v));
return object_element;
}
/// the parsed JSON value
@ -395,13 +394,9 @@ class json_sax_dom_callback_parser
ref_stack.push_back(val.second);
// check object limit
if (ref_stack.back())
if (ref_stack.back() and JSON_UNLIKELY(len != std::size_t(-1) and len > ref_stack.back()->max_size()))
{
if (JSON_UNLIKELY(len != std::size_t(-1) and len > ref_stack.back()->max_size()))
{
JSON_THROW(out_of_range::create(408,
"excessive object size: " + std::to_string(len)));
}
JSON_THROW(out_of_range::create(408, "excessive object size: " + std::to_string(len)));
}
return true;
@ -426,13 +421,10 @@ class json_sax_dom_callback_parser
bool end_object()
{
if (ref_stack.back())
if (ref_stack.back() and not callback(static_cast<int>(ref_stack.size()) - 1, parse_event_t::object_end, *ref_stack.back()))
{
if (not callback(static_cast<int>(ref_stack.size()) - 1, parse_event_t::object_end, *ref_stack.back()))
{
// discard object
*ref_stack.back() = discarded;
}
// discard object
*ref_stack.back() = discarded;
}
assert(not ref_stack.empty());
@ -440,18 +432,15 @@ class json_sax_dom_callback_parser
ref_stack.pop_back();
keep_stack.pop_back();
if (not ref_stack.empty() and ref_stack.back())
if (not ref_stack.empty() and ref_stack.back() and ref_stack.back()->is_object())
{
// remove discarded value
if (ref_stack.back()->is_object())
for (auto it = ref_stack.back()->begin(); it != ref_stack.back()->end(); ++it)
{
for (auto it = ref_stack.back()->begin(); it != ref_stack.back()->end(); ++it)
if (it->is_discarded())
{
if (it->is_discarded())
{
ref_stack.back()->erase(it);
break;
}
ref_stack.back()->erase(it);
break;
}
}
}
@ -468,13 +457,9 @@ class json_sax_dom_callback_parser
ref_stack.push_back(val.second);
// check array limit
if (ref_stack.back())
if (ref_stack.back() and JSON_UNLIKELY(len != std::size_t(-1) and len > ref_stack.back()->max_size()))
{
if (JSON_UNLIKELY(len != std::size_t(-1) and len > ref_stack.back()->max_size()))
{
JSON_THROW(out_of_range::create(408,
"excessive array size: " + std::to_string(len)));
}
JSON_THROW(out_of_range::create(408, "excessive array size: " + std::to_string(len)));
}
return true;
@ -500,12 +485,9 @@ class json_sax_dom_callback_parser
keep_stack.pop_back();
// remove discarded value
if (not keep and not ref_stack.empty())
if (not keep and not ref_stack.empty() and ref_stack.back()->is_array())
{
if (ref_stack.back()->is_array())
{
ref_stack.back()->m_value.array->pop_back();
}
ref_stack.back()->m_value.array->pop_back();
}
return true;
@ -600,27 +582,28 @@ 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());
// array
if (ref_stack.back()->is_array())
{
ref_stack.back()->m_value.array->push_back(std::move(value));
return {true, &(ref_stack.back()->m_value.array->back())};
}
else
// object
assert(ref_stack.back()->is_object())
// check if we should store an element for the current key
assert(not key_keep_stack.empty());
const bool store_element = key_keep_stack.back();
key_keep_stack.pop_back();
if (not store_element)
{
// check if we should store an element for the current key
assert(not key_keep_stack.empty());
const bool store_element = key_keep_stack.back();
key_keep_stack.pop_back();
if (not store_element)
{
return {false, nullptr};
}
assert(object_element);
*object_element = std::move(value);
return {true, object_element};
return {false, nullptr};
}
assert(object_element);
*object_element = std::move(value);
return {true, object_element};
}
/// the parsed JSON value

10
include/nlohmann/detail/input/lexer.hpp
View file

@ -908,13 +908,9 @@ class lexer
goto scan_number_any1;
}
// LCOV_EXCL_START
default:
{
// all other characters are rejected outside scan_number()
assert(false);
}
// LCOV_EXCL_STOP
// all other characters are rejected outside scan_number()
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
}
scan_number_minus:

2
include/nlohmann/detail/input/parser.hpp
View file

@ -459,7 +459,7 @@ class parser
/// get next token from lexer
token_type get_token()
{
return (last_token = m_lexer.scan());
return last_token = m_lexer.scan();
}
std::string exception_message(const token_type expected, const std::string& context)

4
include/nlohmann/detail/json_pointer.hpp
View file

@ -344,7 +344,7 @@ class json_pointer
std::all_of(reference_token.begin(), reference_token.end(),
[](const char x)
{
return (x >= '0' and x <= '9');
return x >= '0' and x <= '9';
});
// change value to array for numbers or "-" or to object otherwise
@ -793,7 +793,7 @@ class json_pointer
friend bool operator==(json_pointer const& lhs,
json_pointer const& rhs) noexcept
{
return (lhs.reference_tokens == rhs.reference_tokens);
return lhs.reference_tokens == rhs.reference_tokens;
}
friend bool operator!=(json_pointer const& lhs,

4
include/nlohmann/detail/macro_scope.hpp
View file

@ -88,8 +88,8 @@
// manual branch prediction
#if defined(__clang__) || defined(__GNUC__) || defined(__GNUG__)
#define JSON_LIKELY(x) __builtin_expect(!!(x), 1)
#define JSON_UNLIKELY(x) __builtin_expect(!!(x), 0)
#define JSON_LIKELY(x) __builtin_expect(static_cast<bool>(x), 1)
#define JSON_UNLIKELY(x) __builtin_expect(static_cast<bool>(x), 0)
#else
#define JSON_LIKELY(x) x
#define JSON_UNLIKELY(x) x

14
include/nlohmann/detail/output/serializer.hpp
View file

@ -279,10 +279,8 @@ class serializer
return;
}
default:
{
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
}
}
}
@ -480,10 +478,8 @@ class serializer
break;
}
default:
{
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
}
}
break;
}
@ -545,10 +541,8 @@ class serializer
break;
}
default:
{
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
}
}
}
}
@ -755,7 +749,7 @@ class serializer
std::none_of(number_buffer.begin(), number_buffer.begin() + len + 1,
[](char c)
{
return (c == '.' or c == 'e');
return c == '.' or c == 'e';
});
if (value_is_int_like)

324
include/nlohmann/json.hpp
View file

@ -1325,7 +1325,7 @@ class basic_json
case value_t::discarded:
m_type = value_t::discarded;
break;
default:
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
}
assert_invariant();
@ -1414,7 +1414,7 @@ class basic_json
bool is_an_object = std::all_of(init.begin(), init.end(),
[](const detail::json_ref<basic_json>& element_ref)
{
return (element_ref->is_array() and element_ref->size() == 2 and (*element_ref)[0].is_string());
return element_ref->is_array() and element_ref->size() == 2 and (*element_ref)[0].is_string();
});
// adjust type if type deduction is not wanted
@ -2099,7 +2099,7 @@ class basic_json
*/
constexpr bool is_null() const noexcept
{
return (m_type == value_t::null);
return m_type == value_t::null;
}
/*!
@ -2121,7 +2121,7 @@ class basic_json
*/
constexpr bool is_boolean() const noexcept
{
return (m_type == value_t::boolean);
return m_type == value_t::boolean;
}
/*!
@ -2180,7 +2180,7 @@ class basic_json
*/
constexpr bool is_number_integer() const noexcept
{
return (m_type == value_t::number_integer or m_type == value_t::number_unsigned);
return m_type == value_t::number_integer or m_type == value_t::number_unsigned;
}
/*!
@ -2208,7 +2208,7 @@ class basic_json
*/
constexpr bool is_number_unsigned() const noexcept
{
return (m_type == value_t::number_unsigned);
return m_type == value_t::number_unsigned;
}
/*!
@ -2236,7 +2236,7 @@ class basic_json
*/
constexpr bool is_number_float() const noexcept
{
return (m_type == value_t::number_float);
return m_type == value_t::number_float;
}
/*!
@ -2258,7 +2258,7 @@ class basic_json
*/
constexpr bool is_object() const noexcept
{
return (m_type == value_t::object);
return m_type == value_t::object;
}
/*!
@ -2280,7 +2280,7 @@ class basic_json
*/
constexpr bool is_array() const noexcept
{
return (m_type == value_t::array);
return m_type == value_t::array;
}
/*!
@ -2302,7 +2302,7 @@ class basic_json
*/
constexpr bool is_string() const noexcept
{
return (m_type == value_t::string);
return m_type == value_t::string;
}
/*!
@ -2329,7 +2329,7 @@ class basic_json
*/
constexpr bool is_discarded() const noexcept
{
return (m_type == value_t::discarded);
return m_type == value_t::discarded;
}
/*!
@ -3990,7 +3990,7 @@ class basic_json
template<typename KeyT>
bool contains(KeyT&& key) const
{
return (is_object() and m_value.object->find(std::forward<KeyT>(key)) != m_value.object->end());
return is_object() and m_value.object->find(std::forward<KeyT>(key)) != m_value.object->end();
}
/// @}
@ -5569,28 +5569,28 @@ class basic_json
switch (lhs_type)
{
case value_t::array:
return (*lhs.m_value.array == *rhs.m_value.array);
return *lhs.m_value.array == *rhs.m_value.array;
case value_t::object:
return (*lhs.m_value.object == *rhs.m_value.object);
return *lhs.m_value.object == *rhs.m_value.object;
case value_t::null:
return true;
case value_t::string:
return (*lhs.m_value.string == *rhs.m_value.string);
return *lhs.m_value.string == *rhs.m_value.string;
case value_t::boolean:
return (lhs.m_value.boolean == rhs.m_value.boolean);
return lhs.m_value.boolean == rhs.m_value.boolean;
case value_t::number_integer:
return (lhs.m_value.number_integer == rhs.m_value.number_integer);
return lhs.m_value.number_integer == rhs.m_value.number_integer;
case value_t::number_unsigned:
return (lhs.m_value.number_unsigned == rhs.m_value.number_unsigned);
return lhs.m_value.number_unsigned == rhs.m_value.number_unsigned;
case value_t::number_float:
return (lhs.m_value.number_float == rhs.m_value.number_float);
return lhs.m_value.number_float == rhs.m_value.number_float;
default:
return false;
@ -5598,27 +5598,27 @@ class basic_json
}
else if (lhs_type == value_t::number_integer and rhs_type == value_t::number_float)
{
return (static_cast<number_float_t>(lhs.m_value.number_integer) == rhs.m_value.number_float);
return static_cast<number_float_t>(lhs.m_value.number_integer) == rhs.m_value.number_float;
}
else if (lhs_type == value_t::number_float and rhs_type == value_t::number_integer)
{
return (lhs.m_value.number_float == static_cast<number_float_t>(rhs.m_value.number_integer));
return lhs.m_value.number_float == static_cast<number_float_t>(rhs.m_value.number_integer);
}
else if (lhs_type == value_t::number_unsigned and rhs_type == value_t::number_float)
{
return (static_cast<number_float_t>(lhs.m_value.number_unsigned) == rhs.m_value.number_float);
return static_cast<number_float_t>(lhs.m_value.number_unsigned) == rhs.m_value.number_float;
}
else if (lhs_type == value_t::number_float and rhs_type == value_t::number_unsigned)
{
return (lhs.m_value.number_float == static_cast<number_float_t>(rhs.m_value.number_unsigned));
return lhs.m_value.number_float == static_cast<number_float_t>(rhs.m_value.number_unsigned);
}
else if (lhs_type == value_t::number_unsigned and rhs_type == value_t::number_integer)
{
return (static_cast<number_integer_t>(lhs.m_value.number_unsigned) == rhs.m_value.number_integer);
return static_cast<number_integer_t>(lhs.m_value.number_unsigned) == rhs.m_value.number_integer;
}
else if (lhs_type == value_t::number_integer and rhs_type == value_t::number_unsigned)
{
return (lhs.m_value.number_integer == static_cast<number_integer_t>(rhs.m_value.number_unsigned));
return lhs.m_value.number_integer == static_cast<number_integer_t>(rhs.m_value.number_unsigned);
}
return false;
@ -5632,7 +5632,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator==(const_reference lhs, const ScalarType rhs) noexcept
{
return (lhs == basic_json(rhs));
return lhs == basic_json(rhs);
}
/*!
@ -5643,7 +5643,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator==(const ScalarType lhs, const_reference rhs) noexcept
{
return (basic_json(lhs) == rhs);
return basic_json(lhs) == rhs;
}
/*!
@ -5677,7 +5677,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator!=(const_reference lhs, const ScalarType rhs) noexcept
{
return (lhs != basic_json(rhs));
return lhs != basic_json(rhs);
}
/*!
@ -5688,7 +5688,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator!=(const ScalarType lhs, const_reference rhs) noexcept
{
return (basic_json(lhs) != rhs);
return basic_json(lhs) != rhs;
}
/*!
@ -5727,7 +5727,7 @@ class basic_json
switch (lhs_type)
{
case value_t::array:
return (*lhs.m_value.array) < (*rhs.m_value.array);
return *lhs.m_value.array < *rhs.m_value.array;
case value_t::object:
return *lhs.m_value.object < *rhs.m_value.object;
@ -5793,7 +5793,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator<(const_reference lhs, const ScalarType rhs) noexcept
{
return (lhs < basic_json(rhs));
return lhs < basic_json(rhs);
}
/*!
@ -5804,7 +5804,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator<(const ScalarType lhs, const_reference rhs) noexcept
{
return (basic_json(lhs) < rhs);
return basic_json(lhs) < rhs;
}
/*!
@ -5839,7 +5839,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator<=(const_reference lhs, const ScalarType rhs) noexcept
{
return (lhs <= basic_json(rhs));
return lhs <= basic_json(rhs);
}
/*!
@ -5850,7 +5850,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator<=(const ScalarType lhs, const_reference rhs) noexcept
{
return (basic_json(lhs) <= rhs);
return basic_json(lhs) <= rhs;
}
/*!
@ -5885,7 +5885,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator>(const_reference lhs, const ScalarType rhs) noexcept
{
return (lhs > basic_json(rhs));
return lhs > basic_json(rhs);
}
/*!
@ -5896,7 +5896,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator>(const ScalarType lhs, const_reference rhs) noexcept
{
return (basic_json(lhs) > rhs);
return basic_json(lhs) > rhs;
}
/*!
@ -5931,7 +5931,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator>=(const_reference lhs, const ScalarType rhs) noexcept
{
return (lhs >= basic_json(rhs));
return lhs >= basic_json(rhs);
}
/*!
@ -5942,7 +5942,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator>=(const ScalarType lhs, const_reference rhs) noexcept
{
return (basic_json(lhs) >= rhs);
return basic_json(lhs) >= rhs;
}
/// @}
@ -5988,8 +5988,8 @@ class basic_json
friend std::ostream& operator<<(std::ostream& o, const basic_json& j)
{
// read width member and use it as indentation parameter if nonzero
const bool pretty_print = (o.width() > 0);
const auto indentation = (pretty_print ? o.width() : 0);
const bool pretty_print = o.width() > 0;
const auto indentation = pretty_print ? o.width() : 0;
// reset width to 0 for subsequent calls to this stream
o.width(0);
@ -7495,60 +7495,55 @@ class basic_json
if (ptr.empty())
{
result = val;
return;
}
else
// make sure the top element of the pointer exists
json_pointer top_pointer = ptr.top();
if (top_pointer != ptr)
{
// make sure the top element of the pointer exists
json_pointer top_pointer = ptr.top();
if (top_pointer != ptr)
result.at(top_pointer);
}
// get reference to parent of JSON pointer ptr
const auto last_path = ptr.pop_back();
basic_json& parent = result[ptr];
switch (parent.m_type)
{
case value_t::null:
case value_t::object:
{
result.at(top_pointer);
// use operator[] to add value
parent[last_path] = val;
break;
}
// get reference to parent of JSON pointer ptr
const auto last_path = ptr.pop_back();
basic_json& parent = result[ptr];
switch (parent.m_type)
case value_t::array:
{
case value_t::null:
case value_t::object:
if (last_path == "-")
{
// use operator[] to add value
parent[last_path] = val;
break;
// special case: append to back
parent.push_back(val);
}
case value_t::array:
else
{
if (last_path == "-")
const auto idx = json_pointer::array_index(last_path);
if (JSON_UNLIKELY(static_cast<size_type>(idx) > parent.size()))
{
// special case: append to back
parent.push_back(val);
// avoid undefined behavior
JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range"));
}
else
{
const auto idx = json_pointer::array_index(last_path);
if (JSON_UNLIKELY(static_cast<size_type>(idx) > parent.size()))
{
// avoid undefined behavior
JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range"));
}
// default case: insert add offset
parent.insert(parent.begin() + static_cast<difference_type>(idx), val);
}
break;
// default case: insert add offset
parent.insert(parent.begin() + static_cast<difference_type>(idx), val);
}
// LCOV_EXCL_START
default:
{
// if there exists a parent it cannot be primitive
assert(false);
}
// LCOV_EXCL_STOP
break;
}
// if there exists a parent it cannot be primitive
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
}
};
@ -7768,106 +7763,105 @@ class basic_json
{
{"op", "replace"}, {"path", path}, {"value", target}
});
return result;
}
else
switch (source.type())
{
switch (source.type())
case value_t::array:
{
case value_t::array:
// first pass: traverse common elements
std::size_t i = 0;
while (i < source.size() and i < target.size())
{
// first pass: traverse common elements
std::size_t i = 0;
while (i < source.size() and i < target.size())
{
// recursive call to compare array values at index i
auto temp_diff = diff(source[i], target[i], path + "/" + std::to_string(i));
result.insert(result.end(), temp_diff.begin(), temp_diff.end());
++i;
}
// i now reached the end of at least one array
// in a second pass, traverse the remaining elements
// remove my remaining elements
const auto end_index = static_cast<difference_type>(result.size());
while (i < source.size())
{
// add operations in reverse order to avoid invalid
// indices
result.insert(result.begin() + end_index, object(
{
{"op", "remove"},
{"path", path + "/" + std::to_string(i)}
}));
++i;
}
// add other remaining elements
while (i < target.size())
{
result.push_back(
{
{"op", "add"},
{"path", path + "/" + std::to_string(i)},
{"value", target[i]}
});
++i;
}
break;
// recursive call to compare array values at index i
auto temp_diff = diff(source[i], target[i], path + "/" + std::to_string(i));
result.insert(result.end(), temp_diff.begin(), temp_diff.end());
++i;
}
case value_t::object:
// i now reached the end of at least one array
// in a second pass, traverse the remaining elements
// remove my remaining elements
const auto end_index = static_cast<difference_type>(result.size());
while (i < source.size())
{
// first pass: traverse this object's elements
for (auto it = source.cbegin(); it != source.cend(); ++it)
// add operations in reverse order to avoid invalid
// indices
result.insert(result.begin() + end_index, object(
{
// escape the key name to be used in a JSON patch
const auto key = json_pointer::escape(it.key());
if (target.find(it.key()) != target.end())
{
// recursive call to compare object values at key it
auto temp_diff = diff(it.value(), target[it.key()], path + "/" + key);
result.insert(result.end(), temp_diff.begin(), temp_diff.end());
}
else
{
// found a key that is not in o -> remove it
result.push_back(object(
{
{"op", "remove"}, {"path", path + "/" + key}
}));
}
}
// second pass: traverse other object's elements
for (auto it = target.cbegin(); it != target.cend(); ++it)
{
if (source.find(it.key()) == source.end())
{
// found a key that is not in this -> add it
const auto key = json_pointer::escape(it.key());
result.push_back(
{
{"op", "add"}, {"path", path + "/" + key},
{"value", it.value()}
});
}
}
break;
{"op", "remove"},
{"path", path + "/" + std::to_string(i)}
}));
++i;
}
default:
// add other remaining elements
while (i < target.size())
{
// both primitive type: replace value
result.push_back(
{
{"op", "replace"}, {"path", path}, {"value", target}
{"op", "add"},
{"path", path + "/" + std::to_string(i)},
{"value", target[i]}
});
break;
++i;
}
break;
}
case value_t::object:
{
// first pass: traverse this object's elements
for (auto it = source.cbegin(); it != source.cend(); ++it)
{
// escape the key name to be used in a JSON patch
const auto key = json_pointer::escape(it.key());
if (target.find(it.key()) != target.end())
{
// recursive call to compare object values at key it
auto temp_diff = diff(it.value(), target[it.key()], path + "/" + key);
result.insert(result.end(), temp_diff.begin(), temp_diff.end());
}
else
{
// found a key that is not in o -> remove it
result.push_back(object(
{
{"op", "remove"}, {"path", path + "/" + key}
}));
}
}
// second pass: traverse other object's elements
for (auto it = target.cbegin(); it != target.cend(); ++it)
{
if (source.find(it.key()) == source.end())
{
// found a key that is not in this -> add it
const auto key = json_pointer::escape(it.key());
result.push_back(
{
{"op", "add"}, {"path", path + "/" + key},
{"value", it.value()}
});
}
}
break;
}
default:
{
// both primitive type: replace value
result.push_back(
{
{"op", "replace"}, {"path", path}, {"value", target}
});
break;
}
}

472
single_include/nlohmann/json.hpp
View file

@ -539,8 +539,8 @@ class other_error : public exception
// manual branch prediction
#if defined(__clang__) || defined(__GNUC__) || defined(__GNUG__)
#define JSON_LIKELY(x) __builtin_expect(!!(x), 1)
#define JSON_UNLIKELY(x) __builtin_expect(!!(x), 0)
#define JSON_LIKELY(x) __builtin_expect(static_cast<bool>(x), 1)
#define JSON_UNLIKELY(x) __builtin_expect(static_cast<bool>(x), 0)
#else
#define JSON_LIKELY(x) x
#define JSON_UNLIKELY(x) x
@ -2521,7 +2521,7 @@ template<typename WideStringType>
class wide_string_input_adapter : public input_adapter_protocol
{
public:
explicit wide_string_input_adapter(const WideStringType& w) noexcept
explicit wide_string_input_adapter(const WideStringType& w) noexcept
: str(w)
{}
@ -2981,12 +2981,11 @@ class json_sax_dom_parser
ref_stack.back()->m_value.array->emplace_back(std::forward<Value>(v));
return &(ref_stack.back()->m_value.array->back());
}
else
{
assert(object_element);
*object_element = BasicJsonType(std::forward<Value>(v));
return object_element;
}
assert(ref_stack.back()->is_object())
assert(object_element);
*object_element = BasicJsonType(std::forward<Value>(v));
return object_element;
}
/// the parsed JSON value
@ -3073,13 +3072,9 @@ class json_sax_dom_callback_parser
ref_stack.push_back(val.second);
// check object limit
if (ref_stack.back())
if (ref_stack.back() and JSON_UNLIKELY(len != std::size_t(-1) and len > ref_stack.back()->max_size()))
{
if (JSON_UNLIKELY(len != std::size_t(-1) and len > ref_stack.back()->max_size()))
{
JSON_THROW(out_of_range::create(408,
"excessive object size: " + std::to_string(len)));
}
JSON_THROW(out_of_range::create(408, "excessive object size: " + std::to_string(len)));
}
return true;
@ -3104,13 +3099,10 @@ class json_sax_dom_callback_parser
bool end_object()
{
if (ref_stack.back())
if (ref_stack.back() and not callback(static_cast<int>(ref_stack.size()) - 1, parse_event_t::object_end, *ref_stack.back()))
{
if (not callback(static_cast<int>(ref_stack.size()) - 1, parse_event_t::object_end, *ref_stack.back()))
{
// discard object
*ref_stack.back() = discarded;
}
// discard object
*ref_stack.back() = discarded;
}
assert(not ref_stack.empty());
@ -3118,18 +3110,15 @@ class json_sax_dom_callback_parser
ref_stack.pop_back();
keep_stack.pop_back();
if (not ref_stack.empty() and ref_stack.back())
if (not ref_stack.empty() and ref_stack.back() and ref_stack.back()->is_object())
{
// remove discarded value
if (ref_stack.back()->is_object())
for (auto it = ref_stack.back()->begin(); it != ref_stack.back()->end(); ++it)
{
for (auto it = ref_stack.back()->begin(); it != ref_stack.back()->end(); ++it)
if (it->is_discarded())
{
if (it->is_discarded())
{
ref_stack.back()->erase(it);
break;
}
ref_stack.back()->erase(it);
break;
}
}
}
@ -3146,13 +3135,9 @@ class json_sax_dom_callback_parser
ref_stack.push_back(val.second);
// check array limit
if (ref_stack.back())
if (ref_stack.back() and JSON_UNLIKELY(len != std::size_t(-1) and len > ref_stack.back()->max_size()))
{
if (JSON_UNLIKELY(len != std::size_t(-1) and len > ref_stack.back()->max_size()))
{
JSON_THROW(out_of_range::create(408,
"excessive array size: " + std::to_string(len)));
}
JSON_THROW(out_of_range::create(408, "excessive array size: " + std::to_string(len)));
}
return true;
@ -3178,12 +3163,9 @@ class json_sax_dom_callback_parser
keep_stack.pop_back();
// remove discarded value
if (not keep and not ref_stack.empty())
if (not keep and not ref_stack.empty() and ref_stack.back()->is_array())
{
if (ref_stack.back()->is_array())
{
ref_stack.back()->m_value.array->pop_back();
}
ref_stack.back()->m_value.array->pop_back();
}
return true;
@ -3278,27 +3260,28 @@ 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());
// array
if (ref_stack.back()->is_array())
{
ref_stack.back()->m_value.array->push_back(std::move(value));
return {true, &(ref_stack.back()->m_value.array->back())};
}
else
// object
assert(ref_stack.back()->is_object())
// check if we should store an element for the current key
assert(not key_keep_stack.empty());
const bool store_element = key_keep_stack.back();
key_keep_stack.pop_back();
if (not store_element)
{
// check if we should store an element for the current key
assert(not key_keep_stack.empty());
const bool store_element = key_keep_stack.back();
key_keep_stack.pop_back();
if (not store_element)
{
return {false, nullptr};
}
assert(object_element);
*object_element = std::move(value);
return {true, object_element};
return {false, nullptr};
}
assert(object_element);
*object_element = std::move(value);
return {true, object_element};
}
/// the parsed JSON value
@ -3616,10 +3599,8 @@ class binary_reader
result = parse_ubjson_internal();
break;
// LCOV_EXCL_START
default:
assert(false);
// LCOV_EXCL_STOP
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
}
// strict mode: next byte must be EOF
@ -3653,7 +3634,7 @@ class binary_reader
*/
static constexpr bool little_endianess(int num = 1) noexcept
{
return (*reinterpret_cast<char*>(&num) == 1);
return *reinterpret_cast<char*>(&num) == 1;
}
private:
@ -3830,12 +3811,9 @@ class binary_reader
return false;
}
if (not is_array)
if (not is_array and not sax->key(key))
{
if (not sax->key(key))
{
return false;
}
return false;
}
if (JSON_UNLIKELY(not parse_bson_element_internal(element_type, element_type_parse_position)))
@ -5343,7 +5321,7 @@ class binary_reader
int get()
{
++chars_read;
return (current = ia->get_character());
return current = ia->get_character();
}
/*!
@ -5489,10 +5467,8 @@ class binary_reader
error_msg += "BSON";
break;
// LCOV_EXCL_START
default:
assert(false);
// LCOV_EXCL_STOP
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
}
return error_msg + " " + context + ": " + detail;
@ -6433,13 +6409,9 @@ class lexer
goto scan_number_any1;
}
// LCOV_EXCL_START
default:
{
// all other characters are rejected outside scan_number()
assert(false);
}
// LCOV_EXCL_STOP
// all other characters are rejected outside scan_number()
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
}
scan_number_minus:
@ -7501,7 +7473,7 @@ class parser
/// get next token from lexer
token_type get_token()
{
return (last_token = m_lexer.scan());
return last_token = m_lexer.scan();
}
std::string exception_message(const token_type expected, const std::string& context)
@ -8791,7 +8763,7 @@ class json_pointer
std::all_of(reference_token.begin(), reference_token.end(),
[](const char x)
{
return (x >= '0' and x <= '9');
return x >= '0' and x <= '9';
});
// change value to array for numbers or "-" or to object otherwise
@ -9240,7 +9212,7 @@ class json_pointer
friend bool operator==(json_pointer const& lhs,
json_pointer const& rhs) noexcept
{
return (lhs.reference_tokens == rhs.reference_tokens);
return lhs.reference_tokens == rhs.reference_tokens;
}
friend bool operator!=(json_pointer const& lhs,
@ -11016,7 +10988,7 @@ boundaries compute_boundaries(FloatType value)
const std::uint64_t E = bits >> (kPrecision - 1);
const std::uint64_t F = bits & (kHiddenBit - 1);
const bool is_denormal = (E == 0);
const bool is_denormal = E == 0;
const diyfp v = is_denormal
? diyfp(F, kMinExp)
: diyfp(F + kHiddenBit, static_cast<int>(E) - kBias);
@ -11042,7 +11014,7 @@ boundaries compute_boundaries(FloatType value)
// -----------------+------+------+-------------+-------------+--- (B)
// v- m- v m+ v+
const bool lower_boundary_is_closer = (F == 0 and E > 1);
const bool lower_boundary_is_closer = F == 0 and E > 1;
const diyfp m_plus = diyfp(2 * v.f + 1, v.e - 1);
const diyfp m_minus = lower_boundary_is_closer
? diyfp(4 * v.f - 1, v.e - 2) // (B)
@ -12178,10 +12150,8 @@ class serializer
return;
}
default:
{
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
}
}
}
@ -12379,10 +12349,8 @@ class serializer
break;
}
default:
{
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
}
}
break;
}
@ -12444,10 +12412,8 @@ class serializer
break;
}
default:
{
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
}
}
}
}
@ -12654,7 +12620,7 @@ class serializer
std::none_of(number_buffer.begin(), number_buffer.begin() + len + 1,
[](char c)
{
return (c == '.' or c == 'e');
return c == '.' or c == 'e';
});
if (value_is_int_like)
@ -14002,7 +13968,7 @@ class basic_json
case value_t::discarded:
m_type = value_t::discarded;
break;
default:
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
}
assert_invariant();
@ -14091,7 +14057,7 @@ class basic_json
bool is_an_object = std::all_of(init.begin(), init.end(),
[](const detail::json_ref<basic_json>& element_ref)
{
return (element_ref->is_array() and element_ref->size() == 2 and (*element_ref)[0].is_string());
return element_ref->is_array() and element_ref->size() == 2 and (*element_ref)[0].is_string();
});
// adjust type if type deduction is not wanted
@ -14776,7 +14742,7 @@ class basic_json
*/
constexpr bool is_null() const noexcept
{
return (m_type == value_t::null);
return m_type == value_t::null;
}
/*!
@ -14798,7 +14764,7 @@ class basic_json
*/
constexpr bool is_boolean() const noexcept
{
return (m_type == value_t::boolean);
return m_type == value_t::boolean;
}
/*!
@ -14857,7 +14823,7 @@ class basic_json
*/
constexpr bool is_number_integer() const noexcept
{
return (m_type == value_t::number_integer or m_type == value_t::number_unsigned);
return m_type == value_t::number_integer or m_type == value_t::number_unsigned;
}
/*!
@ -14885,7 +14851,7 @@ class basic_json
*/
constexpr bool is_number_unsigned() const noexcept
{
return (m_type == value_t::number_unsigned);
return m_type == value_t::number_unsigned;
}
/*!
@ -14913,7 +14879,7 @@ class basic_json
*/
constexpr bool is_number_float() const noexcept
{
return (m_type == value_t::number_float);
return m_type == value_t::number_float;
}
/*!
@ -14935,7 +14901,7 @@ class basic_json
*/
constexpr bool is_object() const noexcept
{
return (m_type == value_t::object);
return m_type == value_t::object;
}
/*!
@ -14957,7 +14923,7 @@ class basic_json
*/
constexpr bool is_array() const noexcept
{
return (m_type == value_t::array);
return m_type == value_t::array;
}
/*!
@ -14979,7 +14945,7 @@ class basic_json
*/
constexpr bool is_string() const noexcept
{
return (m_type == value_t::string);
return m_type == value_t::string;
}
/*!
@ -15006,7 +14972,7 @@ class basic_json
*/
constexpr bool is_discarded() const noexcept
{
return (m_type == value_t::discarded);
return m_type == value_t::discarded;
}
/*!
@ -16667,7 +16633,7 @@ class basic_json
template<typename KeyT>
bool contains(KeyT&& key) const
{
return (is_object() and m_value.object->find(std::forward<KeyT>(key)) != m_value.object->end());
return is_object() and m_value.object->find(std::forward<KeyT>(key)) != m_value.object->end();
}
/// @}
@ -18246,28 +18212,28 @@ class basic_json
switch (lhs_type)
{
case value_t::array:
return (*lhs.m_value.array == *rhs.m_value.array);
return *lhs.m_value.array == *rhs.m_value.array;
case value_t::object:
return (*lhs.m_value.object == *rhs.m_value.object);
return *lhs.m_value.object == *rhs.m_value.object;
case value_t::null:
return true;
case value_t::string:
return (*lhs.m_value.string == *rhs.m_value.string);
return *lhs.m_value.string == *rhs.m_value.string;
case value_t::boolean:
return (lhs.m_value.boolean == rhs.m_value.boolean);
return lhs.m_value.boolean == rhs.m_value.boolean;
case value_t::number_integer:
return (lhs.m_value.number_integer == rhs.m_value.number_integer);
return lhs.m_value.number_integer == rhs.m_value.number_integer;
case value_t::number_unsigned:
return (lhs.m_value.number_unsigned == rhs.m_value.number_unsigned);
return lhs.m_value.number_unsigned == rhs.m_value.number_unsigned;
case value_t::number_float:
return (lhs.m_value.number_float == rhs.m_value.number_float);
return lhs.m_value.number_float == rhs.m_value.number_float;
default:
return false;
@ -18275,27 +18241,27 @@ class basic_json
}
else if (lhs_type == value_t::number_integer and rhs_type == value_t::number_float)
{
return (static_cast<number_float_t>(lhs.m_value.number_integer) == rhs.m_value.number_float);
return static_cast<number_float_t>(lhs.m_value.number_integer) == rhs.m_value.number_float;
}
else if (lhs_type == value_t::number_float and rhs_type == value_t::number_integer)
{
return (lhs.m_value.number_float == static_cast<number_float_t>(rhs.m_value.number_integer));
return lhs.m_value.number_float == static_cast<number_float_t>(rhs.m_value.number_integer);
}
else if (lhs_type == value_t::number_unsigned and rhs_type == value_t::number_float)
{
return (static_cast<number_float_t>(lhs.m_value.number_unsigned) == rhs.m_value.number_float);
return static_cast<number_float_t>(lhs.m_value.number_unsigned) == rhs.m_value.number_float;
}
else if (lhs_type == value_t::number_float and rhs_type == value_t::number_unsigned)
{
return (lhs.m_value.number_float == static_cast<number_float_t>(rhs.m_value.number_unsigned));
return lhs.m_value.number_float == static_cast<number_float_t>(rhs.m_value.number_unsigned);
}
else if (lhs_type == value_t::number_unsigned and rhs_type == value_t::number_integer)
{
return (static_cast<number_integer_t>(lhs.m_value.number_unsigned) == rhs.m_value.number_integer);
return static_cast<number_integer_t>(lhs.m_value.number_unsigned) == rhs.m_value.number_integer;
}
else if (lhs_type == value_t::number_integer and rhs_type == value_t::number_unsigned)
{
return (lhs.m_value.number_integer == static_cast<number_integer_t>(rhs.m_value.number_unsigned));
return lhs.m_value.number_integer == static_cast<number_integer_t>(rhs.m_value.number_unsigned);
}
return false;
@ -18309,7 +18275,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator==(const_reference lhs, const ScalarType rhs) noexcept
{
return (lhs == basic_json(rhs));
return lhs == basic_json(rhs);
}
/*!
@ -18320,7 +18286,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator==(const ScalarType lhs, const_reference rhs) noexcept
{
return (basic_json(lhs) == rhs);
return basic_json(lhs) == rhs;
}
/*!
@ -18354,7 +18320,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator!=(const_reference lhs, const ScalarType rhs) noexcept
{
return (lhs != basic_json(rhs));
return lhs != basic_json(rhs);
}
/*!
@ -18365,7 +18331,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator!=(const ScalarType lhs, const_reference rhs) noexcept
{
return (basic_json(lhs) != rhs);
return basic_json(lhs) != rhs;
}
/*!
@ -18404,7 +18370,7 @@ class basic_json
switch (lhs_type)
{
case value_t::array:
return (*lhs.m_value.array) < (*rhs.m_value.array);
return *lhs.m_value.array < *rhs.m_value.array;
case value_t::object:
return *lhs.m_value.object < *rhs.m_value.object;
@ -18470,7 +18436,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator<(const_reference lhs, const ScalarType rhs) noexcept
{
return (lhs < basic_json(rhs));
return lhs < basic_json(rhs);
}
/*!
@ -18481,7 +18447,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator<(const ScalarType lhs, const_reference rhs) noexcept
{
return (basic_json(lhs) < rhs);
return basic_json(lhs) < rhs;
}
/*!
@ -18516,7 +18482,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator<=(const_reference lhs, const ScalarType rhs) noexcept
{
return (lhs <= basic_json(rhs));
return lhs <= basic_json(rhs);
}
/*!
@ -18527,7 +18493,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator<=(const ScalarType lhs, const_reference rhs) noexcept
{
return (basic_json(lhs) <= rhs);
return basic_json(lhs) <= rhs;
}
/*!
@ -18562,7 +18528,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator>(const_reference lhs, const ScalarType rhs) noexcept
{
return (lhs > basic_json(rhs));
return lhs > basic_json(rhs);
}
/*!
@ -18573,7 +18539,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator>(const ScalarType lhs, const_reference rhs) noexcept
{
return (basic_json(lhs) > rhs);
return basic_json(lhs) > rhs;
}
/*!
@ -18608,7 +18574,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator>=(const_reference lhs, const ScalarType rhs) noexcept
{
return (lhs >= basic_json(rhs));
return lhs >= basic_json(rhs);
}
/*!
@ -18619,7 +18585,7 @@ class basic_json
std::is_scalar<ScalarType>::value, int>::type = 0>
friend bool operator>=(const ScalarType lhs, const_reference rhs) noexcept
{
return (basic_json(lhs) >= rhs);
return basic_json(lhs) >= rhs;
}
/// @}
@ -18665,8 +18631,8 @@ class basic_json
friend std::ostream& operator<<(std::ostream& o, const basic_json& j)
{
// read width member and use it as indentation parameter if nonzero
const bool pretty_print = (o.width() > 0);
const auto indentation = (pretty_print ? o.width() : 0);
const bool pretty_print = o.width() > 0;
const auto indentation = pretty_print ? o.width() : 0;
// reset width to 0 for subsequent calls to this stream
o.width(0);
@ -20172,60 +20138,55 @@ class basic_json
if (ptr.empty())
{
result = val;
return;
}
else
// make sure the top element of the pointer exists
json_pointer top_pointer = ptr.top();
if (top_pointer != ptr)
{
// make sure the top element of the pointer exists
json_pointer top_pointer = ptr.top();
if (top_pointer != ptr)
result.at(top_pointer);
}
// get reference to parent of JSON pointer ptr
const auto last_path = ptr.pop_back();
basic_json& parent = result[ptr];
switch (parent.m_type)
{
case value_t::null:
case value_t::object:
{
result.at(top_pointer);
// use operator[] to add value
parent[last_path] = val;
break;
}
// get reference to parent of JSON pointer ptr
const auto last_path = ptr.pop_back();
basic_json& parent = result[ptr];
switch (parent.m_type)
case value_t::array:
{
case value_t::null:
case value_t::object:
if (last_path == "-")
{
// use operator[] to add value
parent[last_path] = val;
break;
// special case: append to back
parent.push_back(val);
}
case value_t::array:
else
{
if (last_path == "-")
const auto idx = json_pointer::array_index(last_path);
if (JSON_UNLIKELY(static_cast<size_type>(idx) > parent.size()))
{
// special case: append to back
parent.push_back(val);
// avoid undefined behavior
JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range"));
}
else
{
const auto idx = json_pointer::array_index(last_path);
if (JSON_UNLIKELY(static_cast<size_type>(idx) > parent.size()))
{
// avoid undefined behavior
JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range"));
}
// default case: insert add offset
parent.insert(parent.begin() + static_cast<difference_type>(idx), val);
}
break;
// default case: insert add offset
parent.insert(parent.begin() + static_cast<difference_type>(idx), val);
}
// LCOV_EXCL_START
default:
{
// if there exists a parent it cannot be primitive
assert(false);
}
// LCOV_EXCL_STOP
break;
}
// if there exists a parent it cannot be primitive
default: // LCOV_EXCL_LINE
assert(false); // LCOV_EXCL_LINE
}
};
@ -20445,106 +20406,105 @@ class basic_json
{
{"op", "replace"}, {"path", path}, {"value", target}
});
return result;
}
else
switch (source.type())
{
switch (source.type())
case value_t::array:
{
case value_t::array:
// first pass: traverse common elements
std::size_t i = 0;
while (i < source.size() and i < target.size())
{
// first pass: traverse common elements
std::size_t i = 0;
while (i < source.size() and i < target.size())
{
// recursive call to compare array values at index i
auto temp_diff = diff(source[i], target[i], path + "/" + std::to_string(i));
result.insert(result.end(), temp_diff.begin(), temp_diff.end());
++i;
}
// i now reached the end of at least one array
// in a second pass, traverse the remaining elements
// remove my remaining elements
const auto end_index = static_cast<difference_type>(result.size());
while (i < source.size())
{
// add operations in reverse order to avoid invalid
// indices
result.insert(result.begin() + end_index, object(
{
{"op", "remove"},
{"path", path + "/" + std::to_string(i)}
}));
++i;
}
// add other remaining elements
while (i < target.size())
{
result.push_back(
{
{"op", "add"},
{"path", path + "/" + std::to_string(i)},
{"value", target[i]}
});
++i;
}
break;
// recursive call to compare array values at index i
auto temp_diff = diff(source[i], target[i], path + "/" + std::to_string(i));
result.insert(result.end(), temp_diff.begin(), temp_diff.end());
++i;
}
case value_t::object:
// i now reached the end of at least one array
// in a second pass, traverse the remaining elements
// remove my remaining elements
const auto end_index = static_cast<difference_type>(result.size());
while (i < source.size())
{
// first pass: traverse this object's elements
for (auto it = source.cbegin(); it != source.cend(); ++it)
// add operations in reverse order to avoid invalid
// indices
result.insert(result.begin() + end_index, object(
{
// escape the key name to be used in a JSON patch
const auto key = json_pointer::escape(it.key());
if (target.find(it.key()) != target.end())
{
// recursive call to compare object values at key it
auto temp_diff = diff(it.value(), target[it.key()], path + "/" + key);
result.insert(result.end(), temp_diff.begin(), temp_diff.end());
}
else
{
// found a key that is not in o -> remove it
result.push_back(object(
{
{"op", "remove"}, {"path", path + "/" + key}
}));
}
}
// second pass: traverse other object's elements
for (auto it = target.cbegin(); it != target.cend(); ++it)
{
if (source.find(it.key()) == source.end())
{
// found a key that is not in this -> add it
const auto key = json_pointer::escape(it.key());
result.push_back(
{
{"op", "add"}, {"path", path + "/" + key},
{"value", it.value()}
});
}
}
break;
{"op", "remove"},
{"path", path + "/" + std::to_string(i)}
}));
++i;
}
default:
// add other remaining elements
while (i < target.size())
{
// both primitive type: replace value
result.push_back(
{
{"op", "replace"}, {"path", path}, {"value", target}
{"op", "add"},
{"path", path + "/" + std::to_string(i)},
{"value", target[i]}
});
break;
++i;
}
break;
}
case value_t::object:
{
// first pass: traverse this object's elements
for (auto it = source.cbegin(); it != source.cend(); ++it)
{
// escape the key name to be used in a JSON patch
const auto key = json_pointer::escape(it.key());
if (target.find(it.key()) != target.end())
{
// recursive call to compare object values at key it
auto temp_diff = diff(it.value(), target[it.key()], path + "/" + key);
result.insert(result.end(), temp_diff.begin(), temp_diff.end());
}
else
{
// found a key that is not in o -> remove it
result.push_back(object(
{
{"op", "remove"}, {"path", path + "/" + key}
}));
}
}
// second pass: traverse other object's elements
for (auto it = target.cbegin(); it != target.cend(); ++it)
{
if (source.find(it.key()) == source.end())
{
// found a key that is not in this -> add it
const auto key = json_pointer::escape(it.key());
result.push_back(
{
{"op", "add"}, {"path", path + "/" + key},
{"value", it.value()}
});
}
}
break;
}
default:
{
// both primitive type: replace value
result.push_back(
{
{"op", "replace"}, {"path", path}, {"value", target}
});
break;
}
}