Merge remote-tracking branch 'origin/develop' into claude/fix-issue-3989-db7e45

Signed-off-by: Niels Lohmann <mail@nlohmann.me>
This commit is contained in:
Niels Lohmann committed 2026-10-11 08:33:14 +02:00
commit 545477ffa8
116 files changed
+4199 -2405

No files matched your search

@@ -48,7 +48,7 @@ inline void from_json(const BasicJsonType& j, typename std::nullptr_t& n)
{
if (JSON_HEDLEY_UNLIKELY(!j.is_null()))
{
JSON_THROW(type_error::create(302, concat("type must be null, but is ", j.type_name()), &j));
throw_type_must_be("null", j);
}
n = nullptr;
}
@@ -102,7 +102,7 @@ void get_arithmetic_value(const BasicJsonType& j, ArithmeticType& val)
case value_t::binary:
case value_t::discarded:
default:
JSON_THROW(type_error::create(302, concat("type must be number, but is ", j.type_name()), &j));
throw_type_must_be("number", j);
}
}
@@ -111,7 +111,7 @@ inline void from_json(const BasicJsonType& j, typename BasicJsonType::boolean_t&
{
if (JSON_HEDLEY_UNLIKELY(!j.is_boolean()))
{
JSON_THROW(type_error::create(302, concat("type must be boolean, but is ", j.type_name()), &j));
throw_type_must_be("boolean", j);
}
b = *j.template get_ptr<const typename BasicJsonType::boolean_t*>();
}
@@ -121,7 +121,7 @@ inline void from_json(const BasicJsonType& j, typename BasicJsonType::string_t&
{
if (JSON_HEDLEY_UNLIKELY(!j.is_string()))
{
JSON_THROW(type_error::create(302, concat("type must be string, but is ", j.type_name()), &j));
throw_type_must_be("string", j);
}
s = *j.template get_ptr<const typename BasicJsonType::string_t*>();
}
@@ -137,7 +137,7 @@ inline void from_json(const BasicJsonType& j, StringType& s)
{
if (JSON_HEDLEY_UNLIKELY(!j.is_string()))
{
JSON_THROW(type_error::create(302, concat("type must be string, but is ", j.type_name()), &j));
throw_type_must_be("string", j);
}
s = *j.template get_ptr<const typename BasicJsonType::string_t*>();
@@ -183,7 +183,7 @@ inline void from_json(const BasicJsonType& j, std::forward_list<T, Allocator>& l
{
if (JSON_HEDLEY_UNLIKELY(!j.is_array()))
{
JSON_THROW(type_error::create(302, concat("type must be array, but is ", j.type_name()), &j));
throw_type_must_be("array", j);
}
l.clear();
std::transform(j.rbegin(), j.rend(),
@@ -200,7 +200,7 @@ inline void from_json(const BasicJsonType& j, std::valarray<T>& l)
{
if (JSON_HEDLEY_UNLIKELY(!j.is_array()))
{
JSON_THROW(type_error::create(302, concat("type must be array, but is ", j.type_name()), &j));
throw_type_must_be("array", j);
}
l.resize(j.size());
std::transform(j.begin(), j.end(), std::begin(l),
@@ -305,7 +305,7 @@ void())
{
if (JSON_HEDLEY_UNLIKELY(!j.is_array()))
{
JSON_THROW(type_error::create(302, concat("type must be array, but is ", j.type_name()), &j));
throw_type_must_be("array", j);
}
from_json_array_impl(j, arr, priority_tag<3> {});
@@ -324,7 +324,7 @@ auto from_json(const BasicJsonType& j, identity_tag<std::array<T, N>> tag)
{
if (JSON_HEDLEY_UNLIKELY(!j.is_array()))
{
JSON_THROW(type_error::create(302, concat("type must be array, but is ", j.type_name()), &j));
throw_type_must_be("array", j);
}
return from_json_inplace_array_impl(j, tag, make_index_sequence<N> {});
@@ -335,7 +335,7 @@ inline void from_json(const BasicJsonType& j, typename BasicJsonType::binary_t&
{
if (JSON_HEDLEY_UNLIKELY(!j.is_binary()))
{
JSON_THROW(type_error::create(302, concat("type must be binary, but is ", j.type_name()), &j));
throw_type_must_be("binary", j);
}
bin = *j.template get_ptr<const typename BasicJsonType::binary_t*>();
@@ -356,7 +356,7 @@ inline void from_json(const BasicJsonType& j, CompatibleArrayType& bin)
}
else
{
JSON_THROW(type_error::create(302, concat("type must be binary or array, but is ", j.type_name()), &j));
throw_type_must_be("binary or array", j);
}
}
@@ -377,7 +377,7 @@ inline void from_json(const BasicJsonType& j, ConstructibleObjectType& obj)
{
if (JSON_HEDLEY_UNLIKELY(!j.is_object()))
{
JSON_THROW(type_error::create(302, concat("type must be object, but is ", j.type_name()), &j));
throw_type_must_be("object", j);
}
ConstructibleObjectType ret;
@@ -432,7 +432,7 @@ inline void from_json(const BasicJsonType& j, ArithmeticType& val)
case value_t::binary:
case value_t::discarded:
default:
JSON_THROW(type_error::create(302, concat("type must be number, but is ", j.type_name()), &j));
throw_type_must_be("number", j);
}
}
@@ -504,7 +504,7 @@ auto from_json(const BasicJsonType& j, TupleRelated&& t)
{
if (JSON_HEDLEY_UNLIKELY(!j.is_array()))
{
JSON_THROW(type_error::create(302, concat("type must be array, but is ", j.type_name()), &j));
throw_type_must_be("array", j);
}
return from_json_tuple_impl(j, std::forward<TupleRelated>(t), priority_tag<3> {});
@@ -517,14 +517,14 @@ void from_json_pair_array_to_map(const BasicJsonType& j, MapType& m)
{
if (JSON_HEDLEY_UNLIKELY(!j.is_array()))
{
JSON_THROW(type_error::create(302, concat("type must be array, but is ", j.type_name()), &j));
throw_type_must_be("array", j);
}
m.clear();
for (const auto& p : j)
{
if (JSON_HEDLEY_UNLIKELY(!p.is_array()))
{
JSON_THROW(type_error::create(302, concat("type must be array, but is ", p.type_name()), &p));
throw_type_must_be("array", p);
}
m.emplace(p.at(0).template get<typename MapType::key_type>(), p.at(1).template get<typename MapType::mapped_type>());
}
@@ -591,7 +591,7 @@ inline void from_json(const BasicJsonType& j, std_fs::path& p)
{
if (JSON_HEDLEY_UNLIKELY(!j.is_string()))
{
JSON_THROW(type_error::create(302, concat("type must be string, but is ", j.type_name()), &j));
throw_type_must_be("string", j);
}
const auto& s = *j.template get_ptr<const typename BasicJsonType::string_t*>();
// Checking for C++20 standard or later can be insufficient in case the
@@ -414,13 +414,13 @@ inline void to_json(BasicJsonType& j, const EnumKeyedMap& map)
BasicJsonType key = p.first;
if (JSON_HEDLEY_UNLIKELY(!key.is_string()))
{
JSON_THROW(type_error::create(302, concat("type must be string, but is ", key.type_name()), &key));
throw_type_must_be("string", key);
}
auto& key_string = *key.template get_ptr<typename BasicJsonType::string_t*>();
if (JSON_HEDLEY_UNLIKELY(!obj.emplace(key_string, BasicJsonType(p.second)).second))
{
JSON_THROW(type_error::create(318, concat("duplicate object key '", key_string, "'"), &key));
JSON_THROW(type_error::create(exception_id::enum_key_duplicate, concat("duplicate object key '", key_string, "'"), &key));
}
}
external_constructor<value_t::object>::construct(j, std::move(obj));
+144
View File
@@ -45,6 +45,84 @@ namespace detail
// exceptions //
////////////////
/*!
@brief the ids of the exceptions thrown by the library
@note The values are part of the public API: they are the `id` member of the
exceptions and appear in their `what()` messages.
@sa https://json.nlohmann.me/home/exceptions/
*/
enum class exception_id : int
{
// parse_error
syntax_error = 101, ///< unexpected token or invalid literal while parsing JSON
patch_not_an_array = 104, ///< a JSON Patch document is not an array of objects
patch_invalid_operation = 105, ///< a JSON Patch operation is malformed
pointer_index_leading_zero = 106, ///< a JSON Pointer array index has a leading zero
pointer_missing_slash = 107, ///< a JSON Pointer does not start with '/'
pointer_invalid_escape = 108, ///< a JSON Pointer contains an escape other than ~0 and ~1
pointer_index_not_a_number = 109, ///< a JSON Pointer array index is not a number
unexpected_end_of_input = 110, ///< a binary input ends early, or has bytes left at its end
unexpected_byte = 112, ///< a binary input contains an unexpected byte or invalid length
invalid_string_or_size = 113, ///< a binary input contains an invalid string or size specification
bson_unsupported_type = 114, ///< a BSON record type is not supported
invalid_high_precision_number = 115, ///< a UBJSON/BJData high-precision number cannot be parsed
// invalid_iterator
iterators_incompatible = 201, ///< the iterators of a range belong to different values
iterator_from_other_value = 202, ///< an iterator does not belong to the value it is used with
iterator_range_from_other_value = 203, ///< an iterator range does not belong to the value it is used with
iterator_range_out_of_range = 204, ///< an iterator range of a primitive value is not [begin, end)
iterator_out_of_range = 205, ///< an iterator of a primitive value is not begin()
iterator_range_of_null = 206, ///< an iterator range belongs to a null value
iterator_key_not_object = 207, ///< key() is called on an iterator of a non-object
iterator_subscript_on_object = 208, ///< operator[] is called on an iterator of an object
iterator_arithmetic_on_object = 209, ///< an offset operator is used on an iterator of an object
insert_range_incompatible = 210, ///< the iterators of an inserted range belong to different values
insert_range_into_itself = 211, ///< an inserted range belongs to the value it is inserted into
iterators_compare_different_values = 212, ///< iterators of different values are compared
iterator_order_on_object = 213, ///< iterators of an object are compared by order
iterator_value_unavailable = 214, ///< an iterator does not refer to a value
// type_error
object_from_non_pairs = 301, ///< an object is created from an initializer list that is not a list of pairs
type_mismatch = 302, ///< a value has the wrong type for a conversion
incompatible_reference_type = 303, ///< get_ref() is called with a reference type that does not match the value
at_wrong_type = 304, ///< at() is called on a value of the wrong type
subscript_wrong_type = 305, ///< operator[] is called on a value of the wrong type
value_wrong_type = 306, ///< value() is called on a value of the wrong type
erase_wrong_type = 307, ///< erase() is called on a value of the wrong type
push_back_wrong_type = 308, ///< push_back() or operator+= is called on a value of the wrong type
insert_wrong_type = 309, ///< insert() is called on a value of the wrong type
swap_wrong_type = 310, ///< swap() is called on a value of the wrong type
emplace_wrong_type = 311, ///< emplace() or emplace_back() is called on a value of the wrong type
update_wrong_type = 312, ///< update() is called on a value of the wrong type
unflatten_invalid_value = 313, ///< unflatten() finds conflicting paths
unflatten_not_object = 314, ///< unflatten() is called on a non-object
unflatten_value_not_primitive = 315, ///< unflatten() is called on an object with non-primitive values
invalid_utf8 = 316, ///< dump() finds a string that is not valid UTF-8
type_not_serializable = 317, ///< a value cannot be serialized to the requested binary format
enum_key_duplicate = 318, ///< an enum-keyed map has two keys that serialize to the same string
discarded_value_used = 321, ///< a discarded value is used
// out_of_range
array_index_out_of_range = 401, ///< an array index is out of range
pointer_past_the_end_index = 402, ///< a JSON Pointer uses the array index '-'
key_not_found = 403, ///< an object key is not found
pointer_unresolved = 404, ///< a JSON Pointer reference token cannot be resolved
patch_on_root = 405, ///< the root of a value has no parent, e.g. for a JSON Patch 'remove' or 'add' at the root
number_overflow = 406, ///< a number cannot be stored without overflowing to NaN or INF
integer_too_large = 407, ///< an integer cannot be represented in the binary format
container_too_large = 408, ///< the size of a container in a binary input exceeds the maximal capacity
bson_key_with_null = 409, ///< a BSON key contains U+0000
value_out_of_range = 410, ///< an enum value is undefined, or a JSON Pointer array index exceeds size_type
patch_add_parent_not_container = 411, ///< the parent of a JSON Patch 'add' target is not a container
length_too_large = 412, ///< a length does not fit into the length field of a binary format
patch_remove_parent_not_container = 413, ///< the parent of a JSON Patch 'remove' target is not a container
patch_move_into_child = 414, ///< a JSON Patch 'move' moves a value into one of its children
subtype_out_of_range = 415, ///< a binary subtype does not fit into one byte
// other_error
internal_error = 500, ///< unreachable code was reached
patch_test_failed = 501, ///< a JSON Patch 'test' operation failed
size_marker_required = 502 ///< UBJSON/BJData output with type markers requires size markers
};
/// @brief general exception of the @ref basic_json class
/// @sa https://json.nlohmann.me/api/basic_json/exception/
class exception : public std::exception
@@ -195,6 +273,18 @@ class parse_error : public exception
return {id_, byte_, w.c_str()};
}
template<typename BasicJsonContext, enable_if_t<is_basic_json_context<BasicJsonContext>::value, int> = 0>
static parse_error create(exception_id id_, const position_t& pos, const std::string& what_arg, BasicJsonContext context)
{
return create(static_cast<int>(id_), pos, what_arg, context);
}
template<typename BasicJsonContext, enable_if_t<is_basic_json_context<BasicJsonContext>::value, int> = 0>
static parse_error create(exception_id id_, std::size_t byte_, const std::string& what_arg, BasicJsonContext context)
{
return create(static_cast<int>(id_), byte_, what_arg, context);
}
/*!
@brief byte index of the parse error
@@ -229,6 +319,12 @@ class invalid_iterator : public exception
return {id_, w.c_str()};
}
template<typename BasicJsonContext, enable_if_t<is_basic_json_context<BasicJsonContext>::value, int> = 0>
static invalid_iterator create(exception_id id_, const std::string& what_arg, BasicJsonContext context)
{
return create(static_cast<int>(id_), what_arg, context);
}
private:
JSON_HEDLEY_NON_NULL(3)
invalid_iterator(int id_, const char* what_arg)
@@ -247,6 +343,12 @@ class type_error : public exception
return {id_, w.c_str()};
}
template<typename BasicJsonContext, enable_if_t<is_basic_json_context<BasicJsonContext>::value, int> = 0>
static type_error create(exception_id id_, const std::string& what_arg, BasicJsonContext context)
{
return create(static_cast<int>(id_), what_arg, context);
}
private:
JSON_HEDLEY_NON_NULL(3)
type_error(int id_, const char* what_arg) : exception(id_, what_arg) {}
@@ -264,6 +366,12 @@ class out_of_range : public exception
return {id_, w.c_str()};
}
template<typename BasicJsonContext, enable_if_t<is_basic_json_context<BasicJsonContext>::value, int> = 0>
static out_of_range create(exception_id id_, const std::string& what_arg, BasicJsonContext context)
{
return create(static_cast<int>(id_), what_arg, context);
}
private:
JSON_HEDLEY_NON_NULL(3)
out_of_range(int id_, const char* what_arg) : exception(id_, what_arg) {}
@@ -281,6 +389,12 @@ class other_error : public exception
return {id_, w.c_str()};
}
template<typename BasicJsonContext, enable_if_t<is_basic_json_context<BasicJsonContext>::value, int> = 0>
static other_error create(exception_id id_, const std::string& what_arg, BasicJsonContext context)
{
return create(static_cast<int>(id_), what_arg, context);
}
private:
JSON_HEDLEY_NON_NULL(3)
other_error(int id_, const char* what_arg) : exception(id_, what_arg) {}
@@ -307,6 +421,36 @@ void templated_json_throw(ExceptionType exception)
(void)exception;
}
/*!
@brief throws because @a j does not have the type a conversion expects
@param[in] expected the expected type(s), e.g. "array" or "binary or array"
@param[in] j the value with the wrong type
@throw type_error.302 always
*/
template<typename BasicJsonType>
JSON_HEDLEY_NO_RETURN inline void throw_type_must_be(const char* expected, const BasicJsonType& j)
{
static_cast<void>(expected); // unused when JSON_NOEXCEPTION is defined
static_cast<void>(j);
JSON_THROW(type_error::create(exception_id::type_mismatch, concat("type must be ", expected, ", but is ", j.type_name()), &j));
}
/*!
@brief throws because an operation is not supported for the type of @a j
@param[in] id_ the id of the type_error exception (at_wrong_type..update_wrong_type)
@param[in] operation the operation, e.g. "erase()"
@param[in] j the value the operation was called on
@throw type_error always
*/
template<typename BasicJsonType>
JSON_HEDLEY_NO_RETURN inline void throw_cannot_use_with(const exception_id id_, const char* operation, const BasicJsonType& j)
{
static_cast<void>(id_); // unused when JSON_NOEXCEPTION is defined
static_cast<void>(operation);
static_cast<void>(j);
JSON_THROW(type_error::create(id_, concat("cannot use ", operation, " with ", j.type_name()), &j));
}
} // namespace detail
NLOHMANN_JSON_NAMESPACE_END
+87 -142
View File
@@ -12,7 +12,6 @@
#include <cmath> // ldexp
#include <cstddef> // size_t
#include <cstdint> // uint8_t, uint16_t, uint32_t, uint64_t, uintmax_t
#include <cstdio> // snprintf
#include <cstring> // memcpy
#include <iterator> // back_inserter
#include <limits> // numeric_limits
@@ -224,8 +223,7 @@ class binary_reader
if (JSON_HEDLEY_UNLIKELY(current != char_traits<char_type>::eof()))
{
return report_error(chars_read, get_token_string(), parse_error::create(110, chars_read,
exception_message(concat("expected end of input; last byte: 0x", get_token_string()), "value"), nullptr));
return last_byte_error(exception_id::unexpected_end_of_input, concat("expected end of input; last byte: 0x", get_token_string()), "value");
}
}
@@ -356,8 +354,7 @@ class binary_reader
{
if (JSON_HEDLEY_UNLIKELY(document_size < 0 || static_cast<std::size_t>(document_size) != chars_read - document_start))
{
static_cast<void>(report_error(chars_read, get_token_string(), parse_error::create(112, chars_read,
exception_message(concat("document size ", std::to_string(document_size), " does not match the number of bytes read (", std::to_string(chars_read - document_start), ")"), "document"), nullptr)));
static_cast<void>(last_byte_error(exception_id::unexpected_byte, concat("document size ", std::to_string(document_size), " does not match the number of bytes read (", std::to_string(chars_read - document_start), ")"), "document"));
return repair_requested();
}
return true;
@@ -681,9 +678,7 @@ class binary_reader
{
// the end of the element is lost (see resync)
skip_requested = true;
auto last_token = get_token_string();
return report_error(chars_read, last_token, parse_error::create(112, chars_read,
exception_message(concat("string length must be at least 1, is ", std::to_string(len)), "string"), nullptr));
return last_byte_error(exception_id::unexpected_byte, concat("string length must be at least 1, is ", std::to_string(len)), "string");
}
if (JSON_HEDLEY_UNLIKELY(!get_string(len - static_cast<NumberType>(1), result)))
@@ -693,10 +688,7 @@ class binary_reader
if (JSON_HEDLEY_UNLIKELY(get() != 0x00))
{
auto last_token = get_token_string();
static_cast<void>(report_error(chars_read, last_token, parse_error::create(112, chars_read,
exception_message("BSON string is not null-terminated",
"string"), nullptr)));
static_cast<void>(last_byte_error(exception_id::unexpected_byte, "BSON string is not null-terminated", "string"));
// when recovering, a byte in place of the terminator is dropped;
// the end of the input is not
return current != char_traits<char_type>::eof() && repair_requested();
@@ -721,9 +713,7 @@ class binary_reader
{
// the end of the element is lost (see resync)
skip_requested = true;
auto last_token = get_token_string();
return report_error(chars_read, last_token, parse_error::create(112, chars_read,
exception_message(concat("byte array length cannot be negative, is ", std::to_string(len)), "binary"), nullptr));
return last_byte_error(exception_id::unexpected_byte, concat("byte array length cannot be negative, is ", std::to_string(len)), "binary");
}
// All BSON binary values have a subtype
@@ -813,11 +803,9 @@ class binary_reader
default: // anything else is not supported (yet)
{
std::array<char, 3> cr{{}};
static_cast<void>((std::snprintf)(cr.data(), cr.size(), "%.2hhX", static_cast<unsigned char>(element_type))); // NOLINT(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
const std::string cr_str{cr.data()};
const std::string cr_str = hex_byte(static_cast<std::uint8_t>(element_type));
static_cast<void>(report_error(element_type_parse_position, cr_str,
parse_error::create(114, element_type_parse_position, concat("Unsupported BSON record type 0x", cr_str), nullptr)));
parse_error::create(exception_id::bson_unsupported_type, element_type_parse_position, concat("Unsupported BSON record type 0x", cr_str), nullptr)));
return skip_unsupported_bson_element(element_type);
}
}
@@ -1142,9 +1130,7 @@ class binary_reader
{
if (tag_handler == cbor_tag_handler_t::error)
{
auto last_token = get_token_string();
static_cast<void>(report_error(chars_read, last_token, parse_error::create(112, chars_read,
exception_message(concat("invalid byte: 0x", last_token), "value"), nullptr)));
static_cast<void>(unexpected_byte("invalid byte", "value"));
if (!repair_requested())
{
return false;
@@ -1170,9 +1156,7 @@ class binary_reader
{
case cbor_tag_handler_t::error:
{
auto last_token = get_token_string();
static_cast<void>(report_error(chars_read, last_token, parse_error::create(112, chars_read,
exception_message(concat("invalid byte: 0x", last_token), "value"), nullptr)));
static_cast<void>(unexpected_byte("invalid byte", "value"));
if (!repair_requested())
{
return false;
@@ -1253,12 +1237,10 @@ class binary_reader
default: // anything else (0xFF is handled inside the other types)
{
auto last_token = get_token_string();
// the simple values other than false, true, and null (0xE0..0xF3,
// 0xF7 for undefined, and 0xF8 followed by a byte) are complete
const bool simple_value = (current >= 0xE0 && current <= 0xF3) || current == 0xF7 || current == 0xF8;
static_cast<void>(report_error(chars_read, last_token, parse_error::create(112, chars_read,
exception_message(concat("invalid byte: 0x", last_token), "value"), nullptr)));
static_cast<void>(unexpected_byte("invalid byte", "value"));
if (!simple_value || !repair_requested())
{
return false;
@@ -1279,10 +1261,7 @@ class binary_reader
*/
bool cbor_indefinite_string_error(const char* type_name, const char* context)
{
auto last_token = get_token_string();
return report_error(chars_read, last_token, parse_error::create(113, chars_read,
exception_message(concat("indefinite-length ", type_name,
" is not allowed inside indefinite-length ", type_name, "; last byte: 0x", last_token), context), nullptr));
return last_byte_error(exception_id::invalid_string_or_size, concat("indefinite-length ", type_name, " is not allowed inside indefinite-length ", type_name, "; last byte: 0x", get_token_string()), context);
}
/*!
@@ -1359,9 +1338,7 @@ class binary_reader
default:
{
auto last_token = get_token_string();
return report_error(chars_read, last_token, parse_error::create(113, chars_read,
exception_message(concat("expected length specification (0x60-0x7B)", inside_indefinite ? "" : " or indefinite string type (0x7F)", "; last byte: 0x", last_token), "string"), nullptr));
return last_byte_error(exception_id::invalid_string_or_size, concat("expected length specification (0x60-0x7B)", inside_indefinite ? "" : " or indefinite string type (0x7F)", "; last byte: 0x", get_token_string()), "string");
}
}
}
@@ -1495,9 +1472,7 @@ class binary_reader
// a key that begins an item is skipped with its value when recovering
// (see resync); a break stop code or a reserved byte begins none
skip_requested = is_cbor_item_head(static_cast<unsigned int>(current));
auto last_token = get_token_string();
return report_error(chars_read, last_token, parse_error::create(113, chars_read,
exception_message(concat("only string keys are supported, but found ", found, "; last byte: 0x", last_token), "object key"), nullptr));
return last_byte_error(exception_id::invalid_string_or_size, concat("only string keys are supported, but found ", found, "; last byte: 0x", get_token_string()), "object key");
}
/*!
@@ -1578,9 +1553,7 @@ class binary_reader
default:
{
auto last_token = get_token_string();
return report_error(chars_read, last_token, parse_error::create(113, chars_read,
exception_message(concat("expected length specification (0x40-0x5B)", inside_indefinite ? "" : " or indefinite binary array type (0x5F)", "; last byte: 0x", last_token), "binary"), nullptr));
return last_byte_error(exception_id::invalid_string_or_size, concat("expected length specification (0x40-0x5B)", inside_indefinite ? "" : " or indefinite binary array type (0x5F)", "; last byte: 0x", get_token_string()), "binary");
}
}
}
@@ -1726,7 +1699,7 @@ class binary_reader
{
if (JSON_HEDLEY_UNLIKELY(!value_in_range_of<std::size_t>(len) || len == detail::unknown_size()))
{
return report_error(chars_read, get_token_string(), out_of_range::create(408,
return report_error(chars_read, get_token_string(), out_of_range::create(exception_id::container_too_large,
exception_message(concat("excessive ", context, " size"), "size"), nullptr));
}
result = conditional_static_cast<std::size_t>(len);
@@ -1876,9 +1849,7 @@ class binary_reader
if (JSON_HEDLEY_UNLIKELY(!is_cbor_item_head(static_cast<unsigned int>(current))))
{
auto last_token = get_token_string();
return report_error(chars_read, last_token, parse_error::create(112, chars_read,
exception_message(concat("invalid byte: 0x", last_token), "value"), nullptr));
return unexpected_byte("invalid byte", "value");
}
const auto major_type = static_cast<unsigned int>(current) >> 5u;
@@ -2336,9 +2307,7 @@ class binary_reader
default: // anything else
{
auto last_token = get_token_string();
return report_error(chars_read, last_token, parse_error::create(112, chars_read,
exception_message(concat("invalid byte: 0x", last_token), "value"), nullptr));
return unexpected_byte("invalid byte", "value");
}
}
}
@@ -2419,9 +2388,7 @@ class binary_reader
default:
{
auto last_token = get_token_string();
return report_error(chars_read, last_token, parse_error::create(113, chars_read,
exception_message(concat("expected length specification (0xA0-0xBF, 0xD9-0xDB); last byte: 0x", last_token), "string"), nullptr));
return last_byte_error(exception_id::invalid_string_or_size, concat("expected length specification (0xA0-0xBF, 0xD9-0xDB); last byte: 0x", get_token_string()), "string");
}
}
}
@@ -2516,9 +2483,7 @@ class binary_reader
// the key is skipped with its value when recovering (see resync)
skip_requested = true;
auto last_token = get_token_string();
return report_error(chars_read, last_token, parse_error::create(113, chars_read,
exception_message(concat("only string keys are supported, but found ", found, "; last byte: 0x", last_token), "object key"), nullptr));
return last_byte_error(exception_id::invalid_string_or_size, concat("only string keys are supported, but found ", found, "; last byte: 0x", get_token_string()), "object key");
}
/*!
@@ -2845,9 +2810,7 @@ class binary_reader
default: // 0xC1, which is never used
{
auto last_token = get_token_string();
return report_error(chars_read, last_token, parse_error::create(112, chars_read,
exception_message(concat("invalid byte: 0x", last_token), "value"), nullptr));
return unexpected_byte("invalid byte", "value");
}
}
}
@@ -2976,8 +2939,7 @@ class binary_reader
{
if (JSON_HEDLEY_UNLIKELY(len < 0))
{
return report_error(chars_read, get_token_string(), parse_error::create(113, chars_read,
exception_message("string length must not be negative", "string"), nullptr));
return last_byte_error(exception_id::invalid_string_or_size, "string length must not be negative", "string");
}
return true;
}
@@ -3077,18 +3039,7 @@ class binary_reader
default:
break;
}
auto last_token = get_token_string();
std::string message;
if (input_format != input_format_t::bjdata)
{
message = "expected length type specification (U, i, I, l, L); last byte: 0x" + last_token;
}
else
{
message = "expected length type specification (U, i, u, I, m, l, M, L); last byte: 0x" + last_token;
}
return report_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(message, "string"), nullptr));
return length_type_error("", "string");
}
/*!
@@ -3173,12 +3124,11 @@ class binary_reader
}
if (JSON_HEDLEY_UNLIKELY(number < 0))
{
return report_error(chars_read, get_token_string(), parse_error::create(113, chars_read,
exception_message("count in an optimized container must be positive", "size"), nullptr));
return last_byte_error(exception_id::invalid_string_or_size, "count in an optimized container must be positive", "size");
}
if (JSON_HEDLEY_UNLIKELY(!value_in_range_of<std::size_t>(number)))
{
return report_error(chars_read, get_token_string(), out_of_range::create(408,
return report_error(chars_read, get_token_string(), out_of_range::create(exception_id::container_too_large,
exception_message("integer value overflow", "size"), nullptr));
}
result = static_cast<std::size_t>(number); // NOLINT(bugprone-signed-char-misuse,cert-str34-c): number is not a char
@@ -3276,7 +3226,7 @@ class binary_reader
}
if (!value_in_range_of<std::size_t>(number))
{
return report_error(chars_read, get_token_string(), out_of_range::create(408,
return report_error(chars_read, get_token_string(), out_of_range::create(exception_id::container_too_large,
exception_message("integer value overflow", "size"), nullptr));
}
result = detail::conditional_static_cast<std::size_t>(number);
@@ -3291,7 +3241,7 @@ class binary_reader
}
if (is_ndarray) // ndarray dimensional vector can only contain integers and cannot embed another array
{
return report_error(chars_read, get_token_string(), parse_error::create(113, chars_read, exception_message("ndarray dimensional vector is not allowed", "size"), nullptr));
return last_byte_error(exception_id::invalid_string_or_size, "ndarray dimensional vector is not allowed", "size");
}
std::vector<size_t> dim;
if (JSON_HEDLEY_UNLIKELY(!get_ubjson_ndarray_size(dim)))
@@ -3329,9 +3279,7 @@ class binary_reader
const char* type_name = bjd_type_name(ndarray_dtype);
if (JSON_HEDLEY_UNLIKELY(type_name == nullptr))
{
auto last_token = get_token_string();
return report_error(chars_read, last_token, parse_error::create(112, chars_read,
exception_message("invalid byte: 0x" + last_token, "type"), nullptr));
return unexpected_byte("invalid byte", "type");
}
string_t type_key = "_ArrayType_";
@@ -3360,7 +3308,7 @@ class binary_reader
// or SIZE_MAX.
if (JSON_HEDLEY_UNLIKELY(result > (std::numeric_limits<std::size_t>::max)() / i))
{
return report_error(chars_read, get_token_string(), out_of_range::create(408, exception_message("excessive ndarray size caused overflow", "size"), nullptr));
return report_error(chars_read, get_token_string(), out_of_range::create(exception_id::container_too_large, exception_message("excessive ndarray size caused overflow", "size"), nullptr));
}
result *= i;
// the pre-check above already rules out result becoming 0
@@ -3369,7 +3317,7 @@ class binary_reader
// unknown-size container (see get_ubjson_size_type())
if (result == npos)
{
return report_error(chars_read, get_token_string(), out_of_range::create(408, exception_message("excessive ndarray size caused overflow", "size"), nullptr));
return report_error(chars_read, get_token_string(), out_of_range::create(exception_id::container_too_large, exception_message("excessive ndarray size caused overflow", "size"), nullptr));
}
if (JSON_HEDLEY_UNLIKELY(!emit_unsigned(i)))
{
@@ -3387,18 +3335,7 @@ class binary_reader
default:
break;
}
auto last_token = get_token_string();
std::string message;
if (input_format != input_format_t::bjdata)
{
message = "expected length type specification (U, i, I, l, L) after '#'; last byte: 0x" + last_token;
}
else
{
message = "expected length type specification (U, i, u, I, m, l, M, L) after '#'; last byte: 0x" + last_token;
}
return report_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(message, "size"), nullptr));
return length_type_error(" after '#'", "size");
}
/*!
@@ -3431,9 +3368,7 @@ class binary_reader
if (input_format == input_format_t::bjdata
&& JSON_HEDLEY_UNLIKELY(is_bjd_excluded_optimized_type(result.second)))
{
auto last_token = get_token_string();
return report_error(chars_read, last_token, parse_error::create(112, chars_read,
exception_message(concat("marker 0x", last_token, " is not a permitted optimized array type"), "type"), nullptr));
return last_byte_error(exception_id::unexpected_byte, concat("marker 0x", get_token_string(), " is not a permitted optimized array type"), "type");
}
if (JSON_HEDLEY_UNLIKELY(!unexpect_eof("type")))
@@ -3448,9 +3383,7 @@ class binary_reader
{
return false;
}
auto last_token = get_token_string();
return report_error(chars_read, last_token, parse_error::create(112, chars_read,
exception_message(concat("expected '#' after type information; last byte: 0x", last_token), "size"), nullptr));
return last_byte_error(exception_id::unexpected_byte, concat("expected '#' after type information; last byte: 0x", get_token_string()), "size");
}
const bool is_error = get_ubjson_size_value(result.first, is_ndarray, 0, result.second);
@@ -3469,8 +3402,7 @@ class binary_reader
const bool is_error = get_ubjson_size_value(result.first, is_ndarray);
if (input_format == input_format_t::bjdata && is_ndarray && !inside_ndarray)
{
return report_error(chars_read, get_token_string(), parse_error::create(112, chars_read,
exception_message("ndarray requires both type and size", "size"), nullptr));
return last_byte_error(exception_id::unexpected_byte, "ndarray requires both type and size", "size");
}
return is_error;
}
@@ -3602,9 +3534,7 @@ class binary_reader
}
if (JSON_HEDLEY_UNLIKELY(current > 127))
{
auto last_token = get_token_string();
static_cast<void>(report_error(chars_read, last_token, parse_error::create(113, chars_read,
exception_message(concat("byte after 'C' must be in range 0x00..0x7F; last byte: 0x", last_token), "char"), nullptr)));
static_cast<void>(last_byte_error(exception_id::invalid_string_or_size, concat("byte after 'C' must be in range 0x00..0x7F; last byte: 0x", get_token_string()), "char"));
if (!repair_requested())
{
return false;
@@ -3633,8 +3563,7 @@ class binary_reader
default: // anything else
break;
}
auto last_token = get_token_string();
return report_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message("invalid byte: 0x" + last_token, "value"), nullptr));
return unexpected_byte("invalid byte", "value");
}
/*!
@@ -3699,7 +3628,7 @@ class binary_reader
if (JSON_HEDLEY_UNLIKELY((size_and_type.second == 'Z' || size_and_type.second == 'T' || size_and_type.second == 'F')
&& size_and_type.first > max_valueless_container_size))
{
return report_error(chars_read, get_token_string(), out_of_range::create(408,
return report_error(chars_read, get_token_string(), out_of_range::create(exception_id::container_too_large,
exception_message("excessive array size", "size"), nullptr));
}
@@ -3735,9 +3664,7 @@ class binary_reader
// do not accept ND-array size in objects in BJData
if (input_format == input_format_t::bjdata && size_and_type.first != npos && (size_and_type.second & (1 << 8)) != 0)
{
auto last_token = get_token_string();
return report_error(chars_read, last_token, parse_error::create(112, chars_read,
exception_message("BJData object does not support ND-array size in optimized format", "object"), nullptr));
return last_byte_error(exception_id::unexpected_byte, "BJData object does not support ND-array size in optimized format", "object");
}
if (size_and_type.first != npos)
@@ -3774,7 +3701,7 @@ class binary_reader
// the lexer would stop at a NUL and accept the digits before it
if (JSON_HEDLEY_UNLIKELY(current == '\0'))
{
static_cast<void>(report_error(chars_read, "00", parse_error::create(115, chars_read,
static_cast<void>(report_error(chars_read, "00", parse_error::create(exception_id::invalid_high_precision_number, chars_read,
exception_message("invalid number text; last byte: 0x00", "high-precision number"), nullptr)));
// when recovering, the number ends at the NUL, as it would in
// JSON text, and the rest of its bytes are skipped
@@ -3794,7 +3721,7 @@ class binary_reader
if (JSON_HEDLEY_UNLIKELY(result_remainder != token_type::end_of_input))
{
static_cast<void>(report_error(chars_read, number_string, parse_error::create(115, chars_read,
static_cast<void>(report_error(chars_read, number_string, parse_error::create(exception_id::invalid_high_precision_number, chars_read,
exception_message(concat("invalid number text: ", number_lexer.get_token_string()), "high-precision number"), nullptr)));
return recover_high_precision_number(number_vector);
}
@@ -3815,7 +3742,7 @@ class binary_reader
static_cast<void>(report_error(
chars_read,
number_string,
out_of_range::create(406, concat("number overflow parsing '", number_string, '\''), nullptr)));
out_of_range::create(exception_id::number_overflow, concat("number overflow parsing '", number_string, '\''), nullptr)));
if (!repair_requested())
{
return false;
@@ -3841,7 +3768,7 @@ class binary_reader
case token_type::end_of_input:
case token_type::literal_or_value:
default:
static_cast<void>(report_error(chars_read, number_string, parse_error::create(115, chars_read,
static_cast<void>(report_error(chars_read, number_string, parse_error::create(exception_id::invalid_high_precision_number, chars_read,
exception_message(concat("invalid number text: ", number_lexer.get_token_string()), "high-precision number"), nullptr)));
return recover_high_precision_number(number_vector);
}
@@ -3966,20 +3893,6 @@ class binary_reader
return 0x80 <= c && c <= 0xBF;
}
/*!
@brief report a parse error at the last read byte
@param[in] detail a detailed error message
@param[in] context further context information
@return false
*/
bool bon8_error(const std::string& detail, const char* context)
{
auto last_token = get_token_string();
return report_error(chars_read, last_token, parse_error::create(112, chars_read,
exception_message(concat(detail, ": 0x", last_token), context), nullptr));
}
/*!
@brief read a BON8 value and everything nested inside it
@@ -4203,7 +4116,7 @@ class binary_reader
}
// 0xFE: end of container where a value is expected
return bon8_error("invalid byte", "value");
return unexpected_byte("invalid byte", "value");
}
/*!
@@ -4333,7 +4246,7 @@ class binary_reader
// an end-of-container marker is no value; any other byte begins one,
// and the member is skipped when recovering (see skip_member)
skip_requested = byte != 0xFE;
return bon8_error("expected a string; last byte", "key");
return unexpected_byte("expected a string; last byte", "key");
}
/*!
@@ -4399,7 +4312,7 @@ class binary_reader
return skip_bon8_bytes(8);
case 0xFE: // end of container where a value is expected
return bon8_error("invalid byte", "value");
return unexpected_byte("invalid byte", "value");
default:
break;
@@ -4568,7 +4481,7 @@ class binary_reader
if (JSON_HEDLEY_UNLIKELY(!valid_second))
{
return bon8_error("invalid UTF-8 byte", "string");
return unexpected_byte("invalid UTF-8 byte", "string");
}
result.push_back(static_cast<typename string_t::value_type>(byte));
@@ -4582,7 +4495,7 @@ class binary_reader
}
if (JSON_HEDLEY_UNLIKELY(!is_bon8_continuation(current)))
{
return bon8_error("invalid UTF-8 byte", "string");
return unexpected_byte("invalid UTF-8 byte", "string");
}
result.push_back(static_cast<typename string_t::value_type>(current));
}
@@ -4627,7 +4540,7 @@ class binary_reader
{
// in case of failure, advance position by 1 to report the failing location
++chars_read;
return report_error(chars_read, "<end of file>", parse_error::create(110, chars_read, exception_message("unexpected end of input", context), nullptr));
return report_error(chars_read, "<end of file>", parse_error::create(exception_id::unexpected_end_of_input, chars_read, exception_message("unexpected end of input", context), nullptr));
}
return true;
}
@@ -4780,7 +4693,7 @@ class binary_reader
if (JSON_HEDLEY_UNLIKELY(std::isfinite(number) && !std::isfinite(result)))
{
static_cast<void>(report_error(chars_read, get_token_string(),
out_of_range::create(406, exception_message("number overflow", "value"), nullptr)));
out_of_range::create(exception_id::number_overflow, exception_message("number overflow", "value"), nullptr)));
// when recovering, the number becomes infinity, as in JSON text
if (!repair_requested())
{
@@ -4905,9 +4818,7 @@ class binary_reader
if (error_handler == error_handler_t::strict)
{
auto last_token = get_token_string();
static_cast<void>(report_error(chars_read, last_token, parse_error::create(113, chars_read,
exception_message("invalid string: ill-formed UTF-8 byte", context), nullptr)));
static_cast<void>(last_byte_error(exception_id::invalid_string_or_size, "invalid string: ill-formed UTF-8 byte", context));
// when recovering, the string is repaired as with
// error_handler_t::replace
if (!repair_requested())
@@ -5303,19 +5214,53 @@ class binary_reader
if (JSON_HEDLEY_UNLIKELY(current == char_traits<char_type>::eof()))
{
return report_error(chars_read, "<end of file>",
parse_error::create(110, chars_read, exception_message("unexpected end of input", context), nullptr));
parse_error::create(exception_id::unexpected_end_of_input, chars_read, exception_message("unexpected end of input", context), nullptr));
}
return true;
}
/*!
@brief reports a parse error at the last read byte
@param[in] id_ the id of the parse_error exception
@param[in] detail a detailed error message
@param[in] context further context information
@return false, so that the caller stops reading (see report_error)
*/
bool last_byte_error(const exception_id id_, const std::string& detail, const std::string& context)
{
return report_error(chars_read, get_token_string(), parse_error::create(id_, chars_read, exception_message(detail, context), nullptr));
}
/*!
@brief reports the last read byte as unexpected (parse_error.112)
@param[in] detail what is wrong with the byte, e.g. "invalid byte"
@param[in] context further context information
@return false, so that the caller stops reading (see report_error)
*/
bool unexpected_byte(const char* detail, const std::string& context)
{
return last_byte_error(exception_id::unexpected_byte, concat(detail, ": 0x", get_token_string()), context);
}
/*!
@brief reports that the last read byte is not a UBJSON/BJData length type (parse_error.113)
@param[in] position where the length type was expected, e.g. " after '#'"
@param[in] context further context information
@return false, so that the caller stops reading (see report_error)
*/
bool length_type_error(const char* position, const char* context)
{
const char* types = input_format == input_format_t::bjdata ? "U, i, u, I, m, l, M, L" : "U, i, I, l, L";
return last_byte_error(exception_id::invalid_string_or_size,
concat("expected length type specification (", types, ")", position, "; last byte: 0x", get_token_string()), context);
}
/*!
@return a string representation of the last read byte
*/
std::string get_token_string() const
{
std::array<char, 3> cr{{}};
static_cast<void>((std::snprintf)(cr.data(), cr.size(), "%.2hhX", static_cast<unsigned char>(current))); // NOLINT(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
return std::string{cr.data()};
return hex_byte(static_cast<std::uint8_t>(current));
}
/*!
@@ -581,7 +581,7 @@ class wide_string_input_adapter
template<class T>
JSON_HEDLEY_NO_RETURN std::size_t get_elements(T* /*dest*/, std::size_t /*count*/ = 1)
{
JSON_THROW(parse_error::create(112, 1, "wide string type cannot be interpreted as binary data", nullptr));
JSON_THROW(parse_error::create(exception_id::unexpected_byte, 1, "wide string type cannot be interpreted as binary data", nullptr));
}
private:
@@ -793,7 +793,7 @@ inline file_input_adapter input_adapter(std::FILE* file)
{
if (file == nullptr)
{
JSON_THROW(parse_error::create(101, 0, "attempting to parse an empty input; check that your input string or stream contains the expected JSON", nullptr));
JSON_THROW(parse_error::create(exception_id::syntax_error, 0, "attempting to parse an empty input; check that your input string or stream contains the expected JSON", nullptr));
}
return file_input_adapter(file);
}
@@ -802,7 +802,7 @@ inline input_stream_adapter input_adapter(std::istream& stream)
{
if (stream.rdbuf() == nullptr)
{
JSON_THROW(parse_error::create(101, 0, "attempting to parse an empty input; check that your input string or stream contains the expected JSON", nullptr));
JSON_THROW(parse_error::create(exception_id::syntax_error, 0, "attempting to parse an empty input; check that your input string or stream contains the expected JSON", nullptr));
}
return input_stream_adapter(stream);
}
@@ -827,7 +827,7 @@ contiguous_bytes_input_adapter input_adapter(CharT b)
{
if (b == nullptr)
{
JSON_THROW(parse_error::create(101, 0, "attempting to parse an empty input; check that your input string or stream contains the expected JSON", nullptr));
JSON_THROW(parse_error::create(exception_id::syntax_error, 0, "attempting to parse an empty input; check that your input string or stream contains the expected JSON", nullptr));
}
auto length = std::strlen(reinterpret_cast<const char*>(b));
const auto* ptr = reinterpret_cast<const char*>(b);
+83 -76
View File
@@ -178,6 +178,27 @@ template<typename ArrayType>
inline void reserve_array(ArrayType& /*arr*/, std::size_t /*len*/, priority_tag<0> /*unused*/)
{}
/*!
@brief reports an object or array whose announced size exceeds max_size()
Shared by json_sax_dom_parser and json_sax_dom_callback_parser.
@param[in] sax the SAX parser to report the error to
@param[in] len the number of elements announced by the input, or unknown_size()
@param[in] kind "object" or "array"
@param[in] ref the object or array that was just created
@return whether parsing should continue (false after reporting out_of_range.408)
*/
template<typename SAX, typename BasicJsonType>
bool check_container_size(SAX& sax, std::size_t len, const char* kind, BasicJsonType* ref)
{
if (JSON_HEDLEY_UNLIKELY(len != detail::unknown_size() && len > ref->max_size()))
{
return sax.parse_error(0, "", out_of_range::create(exception_id::container_too_large, concat("excessive ", kind, " size: ", std::to_string(len)), ref));
}
return true;
}
#if JSON_DIAGNOSTIC_POSITIONS
/*!
@brief set the diagnostic positions of a value the DOM SAX parsers just stored
@@ -187,6 +208,35 @@ befriends this struct, as the position members are private.
*/
struct diagnostic_positions
{
/*!
@param[in,out] v the object or array whose opening brace or bracket was just read
@param[in] lexer the lexer that read it, or nullptr to leave @a v alone
*/
template<typename BasicJsonType, typename LexerType>
static void set_container_start(BasicJsonType& v, LexerType* lexer)
{
if (lexer)
{
// Lexer has read the first character of the container, so
// subtract 1 from the position to get the correct start position.
v.start_position = lexer->get_position() - 1;
}
}
/*!
@param[in,out] v the object or array whose closing brace or bracket was just read
@param[in] lexer the lexer that read it, or nullptr to leave @a v alone
*/
template<typename BasicJsonType, typename LexerType>
static void set_container_end(BasicJsonType& v, LexerType* lexer)
{
if (lexer)
{
// Lexer's position is past the closing brace or bracket, so set that as the end position.
v.end_position = lexer->get_position();
}
}
/*!
@param[in,out] v the value that was just parsed
@param[in] lexer the lexer that read it, or nullptr to leave @a v alone
@@ -354,22 +404,11 @@ class json_sax_dom_parser
ref_stack.push_back(handle_value(BasicJsonType::value_t::object));
#if JSON_DIAGNOSTIC_POSITIONS
// Manually set the start position of the object here.
// Ensure this is after the call to handle_value to ensure correct start position.
if (m_lexer_ref)
{
// Lexer has read the first character of the object, so
// subtract 1 from the position to get the correct start position.
ref_stack.back()->start_position = m_lexer_ref->get_position() - 1;
}
diagnostic_positions::set_container_start(*ref_stack.back(), m_lexer_ref);
#endif
if (JSON_HEDLEY_UNLIKELY(len != detail::unknown_size() && len > ref_stack.back()->max_size()))
{
return parse_error(0, "", out_of_range::create(408, concat("excessive object size: ", std::to_string(len)), ref_stack.back()));
}
return true;
return check_container_size(*this, len, "object", ref_stack.back());
}
bool key(string_t& val)
@@ -388,11 +427,7 @@ class json_sax_dom_parser
JSON_ASSERT(ref_stack.back()->is_object());
#if JSON_DIAGNOSTIC_POSITIONS
if (m_lexer_ref)
{
// Lexer's position is past the closing brace, so set that as the end position.
ref_stack.back()->end_position = m_lexer_ref->get_position();
}
diagnostic_positions::set_container_end(*ref_stack.back(), m_lexer_ref);
#endif
ref_stack.back()->set_parents();
@@ -405,17 +440,13 @@ class json_sax_dom_parser
ref_stack.push_back(handle_value(BasicJsonType::value_t::array));
#if JSON_DIAGNOSTIC_POSITIONS
// Manually set the start position of the array here.
// Ensure this is after the call to handle_value to ensure correct start position.
if (m_lexer_ref)
{
ref_stack.back()->start_position = m_lexer_ref->get_position() - 1;
}
diagnostic_positions::set_container_start(*ref_stack.back(), m_lexer_ref);
#endif
if (JSON_HEDLEY_UNLIKELY(len != detail::unknown_size() && len > ref_stack.back()->max_size()))
if (JSON_HEDLEY_UNLIKELY(!check_container_size(*this, len, "array", ref_stack.back())))
{
return parse_error(0, "", out_of_range::create(408, concat("excessive array size: ", std::to_string(len)), ref_stack.back()));
return false;
}
if (len != detail::unknown_size())
@@ -432,11 +463,7 @@ class json_sax_dom_parser
JSON_ASSERT(ref_stack.back()->is_array());
#if JSON_DIAGNOSTIC_POSITIONS
if (m_lexer_ref)
{
// Lexer's position is past the closing bracket, so set that as the end position.
ref_stack.back()->end_position = m_lexer_ref->get_position();
}
diagnostic_positions::set_container_end(*ref_stack.back(), m_lexer_ref);
#endif
ref_stack.back()->set_parents();
@@ -616,21 +643,11 @@ class json_sax_dom_callback_parser
{
#if JSON_DIAGNOSTIC_POSITIONS
// Manually set the start position of the object here.
// Ensure this is after the call to handle_value to ensure correct start position.
if (m_lexer_ref)
{
// Lexer has read the first character of the object, so
// subtract 1 from the position to get the correct start position.
ref_stack.back()->start_position = m_lexer_ref->get_position() - 1;
}
diagnostic_positions::set_container_start(*ref_stack.back(), m_lexer_ref);
#endif
// check object limit
if (JSON_HEDLEY_UNLIKELY(len != detail::unknown_size() && len > ref_stack.back()->max_size()))
{
return parse_error(0, "", out_of_range::create(408, concat("excessive object size: ", std::to_string(len)), ref_stack.back()));
}
return check_container_size(*this, len, "object", ref_stack.back());
}
return true;
}
@@ -700,11 +717,7 @@ class json_sax_dom_callback_parser
{
#if JSON_DIAGNOSTIC_POSITIONS
if (m_lexer_ref)
{
// Lexer's position is past the closing brace, so set that as the end position.
ref_stack.back()->end_position = m_lexer_ref->get_position();
}
diagnostic_positions::set_container_end(*ref_stack.back(), m_lexer_ref);
#endif
ref_stack.back()->set_parents();
@@ -715,13 +728,7 @@ class json_sax_dom_callback_parser
}
}
JSON_ASSERT(!ref_stack.empty());
JSON_ASSERT(!keep_stack.empty());
JSON_ASSERT(!container_key_stack.empty());
ref_stack.pop_back();
keep_stack.pop_back();
const string_t object_key = std::move(container_key_stack.back());
container_key_stack.pop_back();
const string_t object_key = pop_container();
if (!ref_stack.empty() && ref_stack.back() && ref_stack.back()->is_structured())
{
@@ -747,20 +754,13 @@ class json_sax_dom_callback_parser
{
#if JSON_DIAGNOSTIC_POSITIONS
// Manually set the start position of the array here.
// Ensure this is after the call to handle_value to ensure correct start position.
if (m_lexer_ref)
{
// Lexer has read the first character of the array, so
// subtract 1 from the position to get the correct start position.
ref_stack.back()->start_position = m_lexer_ref->get_position() - 1;
}
diagnostic_positions::set_container_start(*ref_stack.back(), m_lexer_ref);
#endif
// check array limit
if (JSON_HEDLEY_UNLIKELY(len != detail::unknown_size() && len > ref_stack.back()->max_size()))
if (JSON_HEDLEY_UNLIKELY(!check_container_size(*this, len, "array", ref_stack.back())))
{
return parse_error(0, "", out_of_range::create(408, concat("excessive array size: ", std::to_string(len)), ref_stack.back()));
return false;
}
if (len != detail::unknown_size())
@@ -784,11 +784,7 @@ class json_sax_dom_callback_parser
{
#if JSON_DIAGNOSTIC_POSITIONS
if (m_lexer_ref)
{
// Lexer's position is past the closing bracket, so set that as the end position.
ref_stack.back()->end_position = m_lexer_ref->get_position();
}
diagnostic_positions::set_container_end(*ref_stack.back(), m_lexer_ref);
#endif
ref_stack.back()->set_parents();
@@ -814,13 +810,7 @@ class json_sax_dom_callback_parser
}
}
JSON_ASSERT(!ref_stack.empty());
JSON_ASSERT(!keep_stack.empty());
JSON_ASSERT(!container_key_stack.empty());
ref_stack.pop_back();
keep_stack.pop_back();
const string_t object_key = std::move(container_key_stack.back());
container_key_stack.pop_back();
const string_t object_key = pop_container();
// remove discarded value
if (!ref_stack.empty() && ref_stack.back())
@@ -907,6 +897,23 @@ class json_sax_dom_callback_parser
return string_t{};
}
/*!
@brief leave the object or array that end_object()/end_array() just closed
@return the key the container is stored under in its parent (see
container_key_stack)
*/
string_t pop_container()
{
JSON_ASSERT(!ref_stack.empty());
JSON_ASSERT(!keep_stack.empty());
JSON_ASSERT(!container_key_stack.empty());
ref_stack.pop_back();
keep_stack.pop_back();
string_t object_key = std::move(container_key_stack.back());
container_key_stack.pop_back();
return object_key;
}
/*!
@brief remove the discarded value the callback rejected from its parent,
unless it is a duplicate key's slot with a stashed previous value, in
+28 -16
View File
@@ -189,7 +189,7 @@ class parser
if (last_token != token_type::end_of_input && get_token() != token_type::end_of_input)
{
// the value is complete, so there is nothing to recover
static_cast<void>(report_error(sax, parse_error::create(101, m_lexer.get_position(), exception_message(token_type::end_of_input, "value"), nullptr),
static_cast<void>(report_error(sax, parse_error::create(exception_id::syntax_error, m_lexer.get_position(), exception_message(token_type::end_of_input, "value"), nullptr),
std::integral_constant<bool, AllowRecovery> {}));
return false;
}
@@ -229,10 +229,7 @@ class parser
// in strict mode, input must be completely read
if (get_token() != token_type::end_of_input)
{
sdp.parse_error(m_lexer.get_position(),
m_lexer.get_token_string(),
parse_error::create(101, m_lexer.get_position(),
exception_message(token_type::end_of_input, "value"), nullptr));
syntax_error(sdp, exception_message(token_type::end_of_input, "value"));
}
}
else
@@ -424,7 +421,7 @@ class parser
case token_type::parse_error:
{
// using "uninitialized" to avoid an "expected" message
if (!report_error(sax, parse_error::create(101, m_lexer.get_position(), exception_message(token_type::uninitialized, "value"), nullptr), allow_recovery))
if (!report_error(sax, parse_error::create(exception_id::syntax_error, m_lexer.get_position(), exception_message(token_type::uninitialized, "value"), nullptr), allow_recovery))
{
return false;
}
@@ -457,12 +454,12 @@ class parser
if (JSON_HEDLEY_UNLIKELY(m_lexer.get_position().chars_read_total == 1))
{
// there is nothing to recover
static_cast<void>(report_error(sax, parse_error::create(101, m_lexer.get_position(),
static_cast<void>(report_error(sax, parse_error::create(exception_id::syntax_error, m_lexer.get_position(),
"attempting to parse an empty input; check that your input string or stream contains the expected JSON", nullptr), allow_recovery));
return false;
}
if (!report_error(sax, parse_error::create(101, m_lexer.get_position(), exception_message(token_type::literal_or_value, "value"), nullptr), allow_recovery))
if (!report_error(sax, parse_error::create(exception_id::syntax_error, m_lexer.get_position(), exception_message(token_type::literal_or_value, "value"), nullptr), allow_recovery))
{
return false;
}
@@ -490,7 +487,7 @@ class parser
case token_type::literal_or_value:
default: // the last token was unexpected
{
if (!report_error(sax, parse_error::create(101, m_lexer.get_position(), exception_message(token_type::literal_or_value, "value"), nullptr), allow_recovery))
if (!report_error(sax, parse_error::create(exception_id::syntax_error, m_lexer.get_position(), exception_message(token_type::literal_or_value, "value"), nullptr), allow_recovery))
{
return false;
}
@@ -569,7 +566,7 @@ class parser
continue;
}
if (!report_error(sax, parse_error::create(101, m_lexer.get_position(), exception_message(token_type::end_array, "array"), nullptr), allow_recovery))
if (!report_error(sax, parse_error::create(exception_id::syntax_error, m_lexer.get_position(), exception_message(token_type::end_array, "array"), nullptr), allow_recovery))
{
return false;
}
@@ -655,7 +652,7 @@ class parser
continue;
}
if (!report_error(sax, parse_error::create(101, m_lexer.get_position(), exception_message(token_type::end_object, "object"), nullptr), allow_recovery))
if (!report_error(sax, parse_error::create(exception_id::syntax_error, m_lexer.get_position(), exception_message(token_type::end_object, "object"), nullptr), allow_recovery))
{
return false;
}
@@ -759,7 +756,7 @@ class parser
template<typename SAX>
bool overflow_error(SAX* sax, const number_float_t value, std::true_type allow_recovery)
{
if (!report_error(sax, out_of_range::create(406, concat("number overflow parsing '", m_lexer.get_token_string(), '\''), nullptr), allow_recovery))
if (!report_error(sax, out_of_range::create(exception_id::number_overflow, concat("number overflow parsing '", m_lexer.get_token_string(), '\''), nullptr), allow_recovery))
{
return false;
}
@@ -771,7 +768,7 @@ class parser
JSON_INTERNAL_ALWAYS_INLINE
std::false_type overflow_error(SAX* sax, const number_float_t /*value*/, std::false_type allow_recovery)
{
return report_error(sax, out_of_range::create(406, concat("number overflow parsing '", m_lexer.get_token_string(), '\''), nullptr), allow_recovery);
return report_error(sax, out_of_range::create(exception_id::number_overflow, concat("number overflow parsing '", m_lexer.get_token_string(), '\''), nullptr), allow_recovery);
}
/*!
@@ -786,7 +783,7 @@ class parser
JSON_INTERNAL_ALWAYS_INLINE
std::false_type key_error(SAX* sax, std::false_type allow_recovery, const bool key_read)
{
return report_error(sax, parse_error::create(101, m_lexer.get_position(), key_read
return report_error(sax, parse_error::create(exception_id::syntax_error, m_lexer.get_position(), key_read
? exception_message(token_type::name_separator, "object separator")
: exception_message(token_type::value_string, "object key"), nullptr), allow_recovery);
}
@@ -803,14 +800,14 @@ class parser
{
if (!key_read)
{
if (!report_error(sax, parse_error::create(101, m_lexer.get_position(), exception_message(token_type::value_string, "object key"), nullptr), allow_recovery))
if (!report_error(sax, parse_error::create(exception_id::syntax_error, m_lexer.get_position(), exception_message(token_type::value_string, "object key"), nullptr), allow_recovery))
{
return next_step::stop;
}
return recover_key(sax);
}
if (!report_error(sax, parse_error::create(101, m_lexer.get_position(), exception_message(token_type::name_separator, "object separator"), nullptr), allow_recovery))
if (!report_error(sax, parse_error::create(exception_id::syntax_error, m_lexer.get_position(), exception_message(token_type::name_separator, "object separator"), nullptr), allow_recovery))
{
return next_step::stop;
}
@@ -1208,6 +1205,21 @@ class parser
return (last_token = m_lexer.scan_expecting(expected_type)) == expected_type;
}
/*!
@brief reports a syntax error at the current token (parse_error.101)
@param[in] sax the SAX parser to report the error to
@param[in] message the error message
@return the result of the SAX parser's parse_error()
*/
template<typename SAX>
bool syntax_error(SAX& sax, const std::string& message)
{
// MSVC 2015 reports C4100 (unreferenced parameter) when SAX::parse_error is static
static_cast<void>(sax);
return sax.parse_error(m_lexer.get_position(), m_lexer.get_token_string(),
parse_error::create(exception_id::syntax_error, m_lexer.get_position(), message, nullptr));
}
std::string exception_message(const token_type expected, const std::string& context)
{
std::string error_msg = "syntax error ";
+18 -12
View File
@@ -279,6 +279,12 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci
}
}
/// @throw invalid_iterator.214 always
JSON_HEDLEY_NO_RETURN void throw_cannot_get_value() const
{
JSON_THROW(invalid_iterator::create(exception_id::iterator_value_unavailable, "cannot get value", m_object));
}
public:
/*!
@brief return a reference to the value pointed to by the iterator
@@ -303,7 +309,7 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci
}
case value_t::null:
JSON_THROW(invalid_iterator::create(214, "cannot get value", m_object));
throw_cannot_get_value();
case value_t::string:
case value_t::boolean:
@@ -319,7 +325,7 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci
return *m_object;
}
JSON_THROW(invalid_iterator::create(214, "cannot get value", m_object));
throw_cannot_get_value();
}
}
}
@@ -361,7 +367,7 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci
return m_object;
}
JSON_THROW(invalid_iterator::create(214, "cannot get value", m_object));
throw_cannot_get_value();
}
}
}
@@ -478,7 +484,7 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci
// if objects are not the same, the comparison is undefined
if (JSON_HEDLEY_UNLIKELY(m_object != other.m_object))
{
JSON_THROW(invalid_iterator::create(212, "cannot compare iterators of different containers", m_object));
JSON_THROW(invalid_iterator::create(exception_id::iterators_compare_different_values, "cannot compare iterators of different containers", m_object));
}
// value-initialized forward iterators can be compared, and must compare equal to other value-initialized iterators of the same type #4493
@@ -527,7 +533,7 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci
// if objects are not the same, the comparison is undefined
if (JSON_HEDLEY_UNLIKELY(m_object != other.m_object))
{
JSON_THROW(invalid_iterator::create(212, "cannot compare iterators of different containers", m_object));
JSON_THROW(invalid_iterator::create(exception_id::iterators_compare_different_values, "cannot compare iterators of different containers", m_object));
}
// value-initialized forward iterators can be compared, and must compare equal to other value-initialized iterators of the same type #4493
@@ -540,7 +546,7 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci
switch (m_object->m_data.m_type)
{
case value_t::object:
JSON_THROW(invalid_iterator::create(213, "cannot compare order of object iterators", m_object));
JSON_THROW(invalid_iterator::create(exception_id::iterator_order_on_object, "cannot compare order of object iterators", m_object));
case value_t::array:
return (m_it.array_iterator < other.m_it.array_iterator);
@@ -596,7 +602,7 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci
switch (m_object->m_data.m_type)
{
case value_t::object:
JSON_THROW(invalid_iterator::create(209, "cannot use offsets with object iterators", m_object));
JSON_THROW(invalid_iterator::create(exception_id::iterator_arithmetic_on_object, "cannot use offsets with object iterators", m_object));
case value_t::array:
{
@@ -675,7 +681,7 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci
switch (m_object->m_data.m_type)
{
case value_t::object:
JSON_THROW(invalid_iterator::create(209, "cannot use offsets with object iterators", m_object));
JSON_THROW(invalid_iterator::create(exception_id::iterator_arithmetic_on_object, "cannot use offsets with object iterators", m_object));
case value_t::array:
return m_it.array_iterator - other.m_it.array_iterator;
@@ -704,13 +710,13 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci
switch (m_object->m_data.m_type)
{
case value_t::object:
JSON_THROW(invalid_iterator::create(208, "cannot use operator[] for object iterators", m_object));
JSON_THROW(invalid_iterator::create(exception_id::iterator_subscript_on_object, "cannot use operator[] for object iterators", m_object));
case value_t::array:
return *std::next(m_it.array_iterator, n);
case value_t::null:
JSON_THROW(invalid_iterator::create(214, "cannot get value", m_object));
throw_cannot_get_value();
case value_t::string:
case value_t::boolean:
@@ -726,7 +732,7 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci
return *m_object;
}
JSON_THROW(invalid_iterator::create(214, "cannot get value", m_object));
throw_cannot_get_value();
}
}
}
@@ -744,7 +750,7 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci
return m_it.object_iterator->first;
}
JSON_THROW(invalid_iterator::create(207, "cannot use key() for non-object iterators", m_object));
JSON_THROW(invalid_iterator::create(exception_id::iterator_key_not_object, "cannot use key() for non-object iterators", m_object));
}
/*!
+42 -25
View File
@@ -166,7 +166,7 @@ class json_pointer
{
if (JSON_HEDLEY_UNLIKELY(empty()))
{
JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent", nullptr));
throw_no_parent();
}
reference_tokens.erase(reference_tokens.begin());
@@ -178,7 +178,7 @@ class json_pointer
{
if (JSON_HEDLEY_UNLIKELY(empty()))
{
JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent", nullptr));
throw_no_parent();
}
return reference_tokens.front();
@@ -204,7 +204,7 @@ class json_pointer
{
if (JSON_HEDLEY_UNLIKELY(empty()))
{
JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent", nullptr));
throw_no_parent();
}
reference_tokens.pop_back();
@@ -216,7 +216,7 @@ class json_pointer
{
if (JSON_HEDLEY_UNLIKELY(empty()))
{
JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent", nullptr));
throw_no_parent();
}
return reference_tokens.back();
@@ -244,6 +244,21 @@ class json_pointer
}
private:
/// @throw out_of_range.405 always
JSON_HEDLEY_NO_RETURN static void throw_no_parent()
{
JSON_THROW(detail::out_of_range::create(detail::exception_id::patch_on_root, "JSON pointer has no parent", nullptr));
}
/// @throw out_of_range.404 always
template<typename BasicJsonContext>
JSON_HEDLEY_NO_RETURN static void throw_unresolved(const string_t& reference_token, BasicJsonContext context)
{
static_cast<void>(reference_token); // unused when JSON_NOEXCEPTION is defined
static_cast<void>(context);
JSON_THROW(detail::out_of_range::create(detail::exception_id::pointer_unresolved, detail::concat("unresolved reference token '", reference_token, "'"), context));
}
/*!
@brief result of @ref parse_array_index
@@ -255,7 +270,7 @@ class json_pointer
{
ok, ///< @a s is a valid, representable array index
leading_zero, ///< @a s begins with '0' but has more than one character
not_a_number, ///< @a s does not begin with a digit
not_a_number, ///< @a s is neither empty nor "-" and does not begin with a digit
unresolved, ///< @a s could not be converted to an integer
exceeds_size_type ///< @a s converts to an integer that exceeds size_type
};
@@ -282,8 +297,10 @@ class json_pointer
return array_index_status::leading_zero;
}
// error condition (cf. RFC 6901, Sect. 4)
if (JSON_HEDLEY_UNLIKELY(s.size() > 1 && !(s[0] >= '1' && s[0] <= '9')))
// error condition (cf. RFC 6901, Sect. 4); this also covers single-
// character tokens, so "/x" and "/xy" fail alike; "-" and the empty
// token are left to the conversion below and are reported as unresolved
if (JSON_HEDLEY_UNLIKELY(!s.empty() && s != "-" && !(s[0] >= '0' && s[0] <= '9')))
{
return array_index_status::not_a_number;
}
@@ -329,13 +346,13 @@ class json_pointer
// the branches differ in their messages, not after JSON_THROW's expansion
// NOLINTNEXTLINE(bugprone-branch-clone)
case array_index_status::leading_zero:
JSON_THROW(detail::parse_error::create(106, 0, detail::concat("array index '", s, "' must not begin with '0'"), nullptr));
JSON_THROW(detail::parse_error::create(detail::exception_id::pointer_index_leading_zero, 0, detail::concat("array index '", s, "' must not begin with '0'"), nullptr));
case array_index_status::not_a_number:
JSON_THROW(detail::parse_error::create(109, 0, detail::concat("array index '", s, "' is not a number"), nullptr));
JSON_THROW(detail::parse_error::create(detail::exception_id::pointer_index_not_a_number, 0, detail::concat("array index '", s, "' is not a number"), nullptr));
case array_index_status::unresolved:
JSON_THROW(detail::out_of_range::create(404, detail::concat("unresolved reference token '", s, "'"), nullptr));
throw_unresolved(s, nullptr);
case array_index_status::exceeds_size_type:
JSON_THROW(detail::out_of_range::create(410, detail::concat("array index ", s, " exceeds size_type"), nullptr));
JSON_THROW(detail::out_of_range::create(detail::exception_id::value_out_of_range, detail::concat("array index ", s, " exceeds size_type"), nullptr));
case array_index_status::ok:
default:
break;
@@ -349,7 +366,7 @@ class json_pointer
{
if (JSON_HEDLEY_UNLIKELY(empty()))
{
JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent", nullptr));
throw_no_parent();
}
json_pointer result = *this;
@@ -486,7 +503,7 @@ class json_pointer
case detail::value_t::binary:
case detail::value_t::discarded:
default:
JSON_THROW(detail::type_error::create(313, "invalid value to unflatten", &j));
JSON_THROW(detail::type_error::create(detail::exception_id::unflatten_invalid_value, "invalid value to unflatten", &j));
}
id = tree.find_child(id, reference_token);
@@ -569,7 +586,7 @@ class json_pointer
case detail::value_t::binary:
case detail::value_t::discarded:
default:
JSON_THROW(detail::out_of_range::create(404, detail::concat("unresolved reference token '", reference_token, "'"), ptr));
throw_unresolved(reference_token, ptr);
}
}
@@ -601,7 +618,7 @@ class json_pointer
if (JSON_HEDLEY_UNLIKELY(reference_token == "-"))
{
// "-" always fails the range check
JSON_THROW(detail::out_of_range::create(402, detail::concat(
JSON_THROW(detail::out_of_range::create(detail::exception_id::pointer_past_the_end_index, detail::concat(
"array index '-' (", std::to_string(ptr->m_data.m_value.array->size()),
") is out of range"), ptr));
}
@@ -610,7 +627,7 @@ class json_pointer
// Bounds check before access to avoid exception with JSON_NOEXCEPTION
if (JSON_HEDLEY_UNLIKELY(idx >= ptr->m_data.m_value.array->size()))
{
JSON_THROW(detail::out_of_range::create(401, detail::concat(
JSON_THROW(detail::out_of_range::create(detail::exception_id::array_index_out_of_range, detail::concat(
"array index ", std::to_string(idx), " is out of range"), ptr));
}
ptr = &ptr->operator[](idx);
@@ -626,7 +643,7 @@ class json_pointer
case detail::value_t::binary:
case detail::value_t::discarded:
default:
JSON_THROW(detail::out_of_range::create(404, detail::concat("unresolved reference token '", reference_token, "'"), ptr));
throw_unresolved(reference_token, ptr);
}
}
@@ -670,7 +687,7 @@ class json_pointer
if (JSON_HEDLEY_UNLIKELY(reference_token == "-"))
{
// "-" cannot be used for const access
JSON_THROW(detail::out_of_range::create(402, detail::concat("array index '-' (", std::to_string(ptr->m_data.m_value.array->size()), ") is out of range"), ptr));
JSON_THROW(detail::out_of_range::create(detail::exception_id::pointer_past_the_end_index, detail::concat("array index '-' (", std::to_string(ptr->m_data.m_value.array->size()), ") is out of range"), ptr));
}
// use unchecked array access; the const operator[]
@@ -688,7 +705,7 @@ class json_pointer
case detail::value_t::binary:
case detail::value_t::discarded:
default:
JSON_THROW(detail::out_of_range::create(404, detail::concat("unresolved reference token '", reference_token, "'"), ptr));
throw_unresolved(reference_token, ptr);
}
}
@@ -743,9 +760,9 @@ class json_pointer
// the branches differ in their messages, not after JSON_THROW's expansion
// NOLINTNEXTLINE(bugprone-branch-clone)
case array_index_status::leading_zero:
JSON_THROW(detail::parse_error::create(106, 0, detail::concat("array index '", reference_token, "' must not begin with '0'"), nullptr));
JSON_THROW(detail::parse_error::create(detail::exception_id::pointer_index_leading_zero, 0, detail::concat("array index '", reference_token, "' must not begin with '0'"), nullptr));
case array_index_status::not_a_number:
JSON_THROW(detail::parse_error::create(109, 0, detail::concat("array index '", reference_token, "' is not a number"), nullptr));
JSON_THROW(detail::parse_error::create(detail::exception_id::pointer_index_not_a_number, 0, detail::concat("array index '", reference_token, "' is not a number"), nullptr));
case array_index_status::unresolved:
case array_index_status::exceeds_size_type:
return nullptr;
@@ -872,7 +889,7 @@ class json_pointer
// check if a nonempty reference string begins with slash
if (JSON_HEDLEY_UNLIKELY(reference_string[0] != '/'))
{
JSON_THROW(detail::parse_error::create(107, 1, detail::concat("JSON pointer must be empty or begin with '/' - was: '", reference_string, "'"), nullptr));
JSON_THROW(detail::parse_error::create(detail::exception_id::pointer_missing_slash, 1, detail::concat("JSON pointer must be empty or begin with '/' - was: '", reference_string, "'"), nullptr));
}
// extract the reference tokens:
@@ -908,7 +925,7 @@ class json_pointer
(reference_token[pos + 1] != '0' &&
reference_token[pos + 1] != '1')))
{
JSON_THROW(detail::parse_error::create(108, 0, "escape character '~' must be followed with '0' or '1'", nullptr));
JSON_THROW(detail::parse_error::create(detail::exception_id::pointer_invalid_escape, 0, "escape character '~' must be followed with '0' or '1'", nullptr));
}
}
@@ -1072,7 +1089,7 @@ class json_pointer
{
if (JSON_HEDLEY_UNLIKELY(!value.is_object()))
{
JSON_THROW(detail::type_error::create(314, "only objects can be unflattened", &value));
JSON_THROW(detail::type_error::create(detail::exception_id::unflatten_not_object, "only objects can be unflattened", &value));
}
BasicJsonType result;
@@ -1096,7 +1113,7 @@ class json_pointer
{
if (JSON_HEDLEY_UNLIKELY(!element.second.is_primitive()))
{
JSON_THROW(detail::type_error::create(315, "values in object must be primitive", &element.second));
JSON_THROW(detail::type_error::create(detail::exception_id::unflatten_value_not_primitive, "values in object must be primitive", &element.second));
}
// Assign the value to the reference pointed to by JSON pointer. Note
+2 -2
View File
@@ -323,7 +323,7 @@
return ej_pair.first == e; \
}); \
if (it != std::end(m)) j = it->second; \
else ::nlohmann::detail::templated_json_throw<nlohmann::detail::out_of_range>(nlohmann::detail::out_of_range::create(410,"enum value out of range for " #ENUM_TYPE, nullptr)); \
else ::nlohmann::detail::templated_json_throw<nlohmann::detail::out_of_range>(nlohmann::detail::out_of_range::create(nlohmann::detail::exception_id::value_out_of_range,"enum value out of range for " #ENUM_TYPE, nullptr)); \
} \
template<typename BasicJsonType> \
inline void from_json(const BasicJsonType& j, ENUM_TYPE& e) \
@@ -338,7 +338,7 @@
return ej_pair.second == j; \
}); \
if (it != std::end(m)) e = it->first; \
else ::nlohmann::detail::templated_json_throw<nlohmann::detail::out_of_range>(nlohmann::detail::out_of_range::create(410, nlohmann::detail::concat("enum value out of range for " #ENUM_TYPE ": ", j.dump(-1, ' ', false, nlohmann::detail::error_handler_t::replace)), &j)); \
else ::nlohmann::detail::templated_json_throw<nlohmann::detail::out_of_range>(nlohmann::detail::out_of_range::create(nlohmann::detail::exception_id::value_out_of_range, nlohmann::detail::concat("enum value out of range for " #ENUM_TYPE ": ", j.dump(-1, ' ', false, nlohmann::detail::error_handler_t::replace)), &j)); \
}
// Ugly macros to avoid uglier copy-paste when specializing basic_json. They
@@ -172,6 +172,10 @@ struct has_to_json < BasicJsonType, T, enable_if_t < !is_basic_json<T>::value >>
template<typename T>
using detect_key_compare = typename T::key_compare;
// detects whether two values of type T can be compared with operator==
template<typename T>
using detect_equal_comparable = decltype(static_cast<bool>(std::declval<const T&>() == std::declval<const T&>()));
// obtains the actual object key comparator: object_t::key_compare if the
// object type defines it, and default_object_comparator_t otherwise
//
+174 -40
View File
@@ -157,7 +157,7 @@ class binary_writer
case value_t::discarded:
default:
{
JSON_THROW(type_error::create(317, concat("to serialize to BSON, top-level type must be object, but is ", j.type_name()), &j));
JSON_THROW(type_error::create(exception_id::type_not_serializable, concat("to serialize to BSON, top-level type must be object, but is ", j.type_name()), &j));
}
}
}
@@ -313,12 +313,6 @@ class binary_writer
case value_t::object:
{
static_assert(
std::is_convertible <
typename BasicJsonType::object_t::key_type,
string_t >::value,
"object_t::key_type must be implicitly convertible to string_t");
// step 1: write control byte and the object size
write_cbor_head(0xA0, j.m_data.m_value.object->size());
@@ -326,7 +320,7 @@ class binary_writer
{
// el.first is written directly (not via a temporary
// basic_json), with the object as diagnostics context
write_cbor_string(el.first, j);
write_cbor_key(el.first, j);
write_cbor(el.second, depth + 1);
}
break;
@@ -348,7 +342,7 @@ class binary_writer
{
if (JSON_HEDLEY_UNLIKELY(!value_in_range_of<std::uint32_t>(length)))
{
JSON_THROW(out_of_range::create(412, concat("MessagePack length ", std::to_string(length), " exceeds maximum of ", std::to_string((std::numeric_limits<std::uint32_t>::max)())), &j));
JSON_THROW(out_of_range::create(exception_id::length_too_large, concat("MessagePack length ", std::to_string(length), " exceeds maximum of ", std::to_string((std::numeric_limits<std::uint32_t>::max)())), &j));
}
static_cast<void>(j);
@@ -575,7 +569,7 @@ class binary_writer
{
if (JSON_HEDLEY_UNLIKELY(j.m_data.m_value.binary->subtype() > (std::numeric_limits<std::uint8_t>::max)()))
{
JSON_THROW(out_of_range::create(415, concat("subtype ", std::to_string(j.m_data.m_value.binary->subtype()), " is too large for the MessagePack ext type (max 255)"), &j));
JSON_THROW(out_of_range::create(exception_id::subtype_out_of_range, concat("subtype ", std::to_string(j.m_data.m_value.binary->subtype()), " is too large for the MessagePack ext type (max 255)"), &j));
}
write_number(static_cast<std::int8_t>(j.m_data.m_value.binary->subtype()));
@@ -591,12 +585,6 @@ class binary_writer
case value_t::object:
{
static_assert(
std::is_convertible <
typename BasicJsonType::object_t::key_type,
string_t >::value,
"object_t::key_type must be implicitly convertible to string_t");
// step 1: write control byte and the object size
write_msgpack_object_prefix(j.m_data.m_value.object->size(), j);
@@ -604,7 +592,7 @@ class binary_writer
{
// as in write_cbor, el.first is written directly with the
// object as diagnostics context
write_msgpack_string(el.first, j);
write_msgpack_key(el.first, j);
write_msgpack(el.second, depth + 1);
}
break;
@@ -730,7 +718,7 @@ class binary_writer
{
if (!use_count)
{
JSON_THROW(other_error::create(502, "use_type requires use_size = true", &j));
JSON_THROW(other_error::create(exception_id::size_marker_required, "use_type requires use_size = true", &j));
}
oa.write_character(to_char_type('$'));
oa.write_character(bjdata_draft3 ? 'B' : 'U');
@@ -809,6 +797,8 @@ class binary_writer
/*!
@param[in] j JSON value to serialize
@throw type_error.321 if @a j or a value nested in it is discarded
*/
void write_bon8(const BasicJsonType& j)
{
@@ -831,7 +821,7 @@ class binary_writer
{
static_cast<void>(j); // unused when JSON_NOEXCEPTION is defined
static_cast<void>(format_name);
JSON_THROW(type_error::create(321, concat("cannot serialize discarded value to ", format_name), &j));
JSON_THROW(type_error::create(exception_id::discarded_value_used, concat("cannot serialize discarded value to ", format_name), &j));
}
void write_msgpack_array_prefix(const std::size_t N, const BasicJsonType& j)
@@ -878,9 +868,9 @@ class binary_writer
}
}
/// @brief a CBOR or MessagePack array or object whose elements
/// @ref write_cbor_iterative or @ref write_msgpack_iterative is
/// still writing
/// @brief a CBOR, MessagePack, or BON8 array or object whose elements
/// @ref write_cbor_iterative, @ref write_msgpack_iterative, or
/// @ref write_bon8_iterative is still writing
struct binary_container_frame
{
explicit binary_container_frame(const BasicJsonType* value_) noexcept
@@ -992,7 +982,7 @@ class binary_writer
// the key is written directly (not via a temporary basic_json),
// with the object as diagnostics context, as in write_cbor
write_cbor_string(current.object_it->first, *current.value);
write_cbor_key(current.object_it->first, *current.value);
const BasicJsonType* child = &(current.object_it->second);
++stack.back().object_it;
write_cbor_value_or_push(*child, stack);
@@ -1069,7 +1059,7 @@ class binary_writer
// as in write_cbor_iterative, the key is written directly with
// the object as diagnostics context
write_msgpack_string(current.object_it->first, *current.value);
write_msgpack_key(current.object_it->first, *current.value);
const BasicJsonType* child = &(current.object_it->second);
++stack.back().object_it;
write_msgpack_value_or_push(*child, stack);
@@ -1091,7 +1081,7 @@ class binary_writer
{
if (!use_count)
{
JSON_THROW(other_error::create(502, "use_type requires use_size = true", &j));
JSON_THROW(other_error::create(exception_id::size_marker_required, "use_type requires use_size = true", &j));
}
const CharType first_prefix = ubjson_prefix(j.front(), use_bjdata);
const bool same_prefix = std::all_of(j.begin() + 1, j.end(),
@@ -1141,7 +1131,7 @@ class binary_writer
{
if (!use_count)
{
JSON_THROW(other_error::create(502, "use_type requires use_size = true", &j));
JSON_THROW(other_error::create(exception_id::size_marker_required, "use_type requires use_size = true", &j));
}
const CharType first_prefix = ubjson_prefix(j.front(), use_bjdata);
const bool same_prefix = std::all_of(j.begin(), j.end(),
@@ -1358,7 +1348,7 @@ class binary_writer
const auto it = name.find(static_cast<typename string_t::value_type>(0));
if (JSON_HEDLEY_UNLIKELY(it != BasicJsonType::string_t::npos))
{
JSON_THROW(out_of_range::create(409, concat("BSON key cannot contain code point U+0000 (at byte ", std::to_string(it), ")"), &j));
JSON_THROW(out_of_range::create(exception_id::bson_key_with_null, concat("BSON key cannot contain code point U+0000 (at byte ", std::to_string(it), ")"), &j));
}
string_t storage;
@@ -1376,7 +1366,7 @@ class binary_writer
{
if (JSON_HEDLEY_UNLIKELY(!value_in_range_of<std::int32_t>(size)))
{
JSON_THROW(out_of_range::create(412, concat("BSON length ", std::to_string(size), " exceeds maximum of ", std::to_string((std::numeric_limits<std::int32_t>::max)())), nullptr));
JSON_THROW(out_of_range::create(exception_id::length_too_large, concat("BSON length ", std::to_string(size), " exceeds maximum of ", std::to_string((std::numeric_limits<std::int32_t>::max)())), nullptr));
}
return static_cast<std::int32_t>(size);
@@ -1562,7 +1552,7 @@ class binary_writer
if (value.has_subtype() && JSON_HEDLEY_UNLIKELY(value.subtype() > (std::numeric_limits<std::uint8_t>::max)()))
{
JSON_THROW(out_of_range::create(415, concat("subtype ", std::to_string(value.subtype()), " is too large for the BSON binary subtype (max 255)"), &j));
JSON_THROW(out_of_range::create(exception_id::subtype_out_of_range, concat("subtype ", std::to_string(value.subtype()), " is too large for the BSON binary subtype (max 255)"), &j));
}
return sizeof(std::int32_t) + value.size() + 1ul;
@@ -1674,6 +1664,21 @@ class binary_writer
}
}
/*!
@brief Writes the head of a BSON element with key @a name whose value is
the object or array @a j: its type, key, and @a size
Called while the key is in scope: an object key is a key_type, which
may only convert to a temporary string_t, so it cannot be kept by
pointer until after the loop over the entries.
*/
void write_bson_nested_head(const string_t& name, const BasicJsonType& j,
const std::size_t size)
{
write_bson_entry_header(name, j.is_object() ? 0x03 : 0x04);
write_number<std::int32_t>(to_bson_length(size), true);
}
/// @brief an object or array of the BSON document being sized or written
struct bson_frame
{
@@ -1838,7 +1843,6 @@ class binary_writer
{
// write entries until the current object or array is done, or an
// entry is an object or array itself
const string_t* nested_name = nullptr;
const BasicJsonType* nested = nullptr;
if (current.value->is_object())
{
@@ -1849,7 +1853,7 @@ class binary_writer
++current.member;
if (el.second.is_structured())
{
nested_name = &el.first;
write_bson_nested_head(el.first, el.second, nested_sizes[next_size++]);
nested = &el.second;
}
else
@@ -1868,7 +1872,7 @@ class binary_writer
++current.index;
if (el.is_structured())
{
nested_name = &index_name;
write_bson_nested_head(index_name, el, nested_sizes[next_size++]);
nested = &el;
}
else
@@ -1880,8 +1884,6 @@ class binary_writer
if (nested != nullptr)
{
write_bson_entry_header(*nested_name, nested->is_object() ? 0x03 : 0x04);
write_number<std::int32_t>(to_bson_length(nested_sizes[next_size++]), true);
parents.push_back(std::move(current));
current = bson_frame(nested);
continue;
@@ -1949,6 +1951,43 @@ class binary_writer
}
}
/*!
@brief write an object key as a CBOR text string
A key convertible to string_t is written directly. Other key types (only
an explicit conversion, or only a to_json overload) go through a temporary
basic_json, as in version 3.12.0; the temporary is then the diagnostics
context for strict UTF-8 checks.
*/
template<typename Key = typename BasicJsonType::object_t::key_type,
enable_if_t<std::is_convertible<Key, string_t>::value, int> = 0>
void write_cbor_key(const typename BasicJsonType::object_t::key_type& key, const BasicJsonType& context)
{
write_cbor_string(key, context);
}
template < typename Key = typename BasicJsonType::object_t::key_type,
enable_if_t < !std::is_convertible<Key, string_t>::value, int > = 0 >
void write_cbor_key(const typename BasicJsonType::object_t::key_type& key, const BasicJsonType& /*context*/)
{
write_cbor(BasicJsonType(key));
}
/// @brief write an object key as a MessagePack str, as in @ref write_cbor_key
template<typename Key = typename BasicJsonType::object_t::key_type,
enable_if_t<std::is_convertible<Key, string_t>::value, int> = 0>
void write_msgpack_key(const typename BasicJsonType::object_t::key_type& key, const BasicJsonType& context)
{
write_msgpack_string(key, context);
}
template < typename Key = typename BasicJsonType::object_t::key_type,
enable_if_t < !std::is_convertible<Key, string_t>::value, int > = 0 >
void write_msgpack_key(const typename BasicJsonType::object_t::key_type& key, const BasicJsonType& /*context*/)
{
write_msgpack(BasicJsonType(key));
}
/*!
@brief write a CBOR text string
@@ -2570,9 +2609,27 @@ class binary_writer
@param[in] j JSON value to serialize
@param[in,out] string_open whether the output ends with a non-empty
string that has not been terminated with 0xFF
@param[in] depth nesting level of @a j, counted from the
top-level value passed to @ref basic_json::to_bon8
@throw type_error.316 if a string value or an object key is not valid
UTF-8
@throw out_of_range.407 if an unsigned integer does not fit int64
@throw type_error.321 if @a j or a value nested in it is discarded
Values nested deeper than @ref recursion_depth_limit are written by
@ref write_bon8_iterative without the call stack.
@sa @ref write_cbor
@sa https://github.com/nlohmann/json/issues/5392
*/
void write_bon8_value(const BasicJsonType& j, bool& string_open)
void write_bon8_value(const BasicJsonType& j, bool& string_open, const std::size_t depth = 0)
{
if (JSON_HEDLEY_UNLIKELY(depth >= recursion_depth_limit()) && (j.is_array() || j.is_object()))
{
write_bon8_iterative(j, string_open);
return;
}
switch (j.type())
{
case value_t::null:
@@ -2591,7 +2648,7 @@ class binary_writer
{
if (j.m_data.m_value.number_unsigned > static_cast<typename BasicJsonType::number_unsigned_t>((std::numeric_limits<std::int64_t>::max)()))
{
JSON_THROW(out_of_range::create(407, concat("integer number ", std::to_string(j.m_data.m_value.number_unsigned), " cannot be represented by BON8 as it does not fit int64"), &j));
JSON_THROW(out_of_range::create(exception_id::integer_too_large, concat("integer number ", std::to_string(j.m_data.m_value.number_unsigned), " cannot be represented by BON8 as it does not fit int64"), &j));
}
write_bon8_integer(static_cast<std::int64_t>(j.m_data.m_value.number_unsigned));
string_open = false;
@@ -2626,7 +2683,7 @@ class binary_writer
for (const auto& el : *j.m_data.m_value.array)
{
write_bon8_value(el, string_open);
write_bon8_value(el, string_open, depth + 1);
}
if (N > 4)
@@ -2645,7 +2702,7 @@ class binary_writer
for (const auto& el : *j.m_data.m_value.object)
{
write_bon8_string(el.first, string_open, j);
write_bon8_value(el.second, string_open);
write_bon8_value(el.second, string_open, depth + 1);
}
if (N > 4)
@@ -2678,7 +2735,84 @@ class binary_writer
case value_t::discarded:
default:
break;
throw_on_discarded(j, "BON8");
}
}
/*!
@brief write @a j with @ref write_bon8_value, or write its marker and push
a frame for @ref write_bon8_iterative to continue with its elements
A scalar, and an empty array or object, are written out in full and not
pushed.
@sa @ref write_cbor_value_or_push
*/
void write_bon8_value_or_push(const BasicJsonType& j, bool& string_open, std::vector<binary_container_frame>& stack)
{
if (j.is_array() || j.is_object())
{
// arrays use the markers 0x80..0x85, objects 0x86..0x8B; the last
// one stands for more than four elements, closed later with 0xFE
const auto N = j.size();
const std::size_t base = j.is_array() ? 0x80 : 0x86;
write_bon8_marker(static_cast<std::uint8_t>(base + (N <= 4 ? N : 5)), string_open);
if (N != 0)
{
stack.emplace_back(&j);
}
return;
}
write_bon8_value(j, string_open);
}
/*!
@brief write out @a root and everything below it without the call stack
A container with more than four elements is closed with 0xFE once its
last element is written, as in @ref write_bon8_value.
@sa @ref write_cbor_iterative
*/
void write_bon8_iterative(const BasicJsonType& root, bool& string_open)
{
// only a container with elements is ever pushed; see write_bon8_value_or_push
std::vector<binary_container_frame> stack;
write_bon8_value_or_push(root, string_open, stack);
while (!stack.empty())
{
const binary_container_frame current = stack.back();
const bool is_array = current.value->is_array();
const bool at_end = is_array
? current.array_it == current.value->m_data.m_value.array->cend()
: current.object_it == current.value->m_data.m_value.object->cend();
if (at_end)
{
if (current.value->size() > 4)
{
write_bon8_marker(0xFE, string_open);
}
stack.pop_back();
continue;
}
// read the child before pushing: entering it can move every frame
const BasicJsonType* child = nullptr;
if (is_array)
{
child = &(*current.array_it);
++stack.back().array_it;
}
else
{
write_bon8_string(current.object_it->first, string_open, *current.value);
child = &(current.object_it->second);
++stack.back().object_it;
}
write_bon8_value_or_push(*child, string_open, stack);
}
}
@@ -2744,7 +2878,7 @@ class binary_writer
const std::size_t valid = valid_utf8_prefix(data, s.size());
if (JSON_HEDLEY_UNLIKELY(valid != s.size()))
{
JSON_THROW(type_error::create(316, concat("invalid UTF-8 byte at index ", std::to_string(valid), ": 0x", detail::hex_byte(data[valid])), &context));
JSON_THROW(type_error::create(exception_id::invalid_utf8, concat("invalid UTF-8 byte at index ", std::to_string(valid), ": 0x", detail::hex_byte(data[valid])), &context));
}
}
@@ -888,7 +888,7 @@ class serializer
{
case error_handler_t::strict:
{
JSON_THROW(type_error::create(316, concat("invalid UTF-8 byte at index ", std::to_string(i), ": 0x", detail::hex_byte(byte)), nullptr));
JSON_THROW(type_error::create(exception_id::invalid_utf8, concat("invalid UTF-8 byte at index ", std::to_string(i), ": 0x", detail::hex_byte(byte)), nullptr));
}
case error_handler_t::ignore:
@@ -1021,7 +1021,7 @@ class serializer
{
case error_handler_t::strict:
{
JSON_THROW(type_error::create(316, concat("incomplete UTF-8 string; last byte: 0x", detail::hex_byte(static_cast<std::uint8_t>(s[s.size() - 1]))), nullptr));
JSON_THROW(type_error::create(exception_id::invalid_utf8, concat("incomplete UTF-8 string; last byte: 0x", detail::hex_byte(static_cast<std::uint8_t>(s[s.size() - 1]))), nullptr));
}
case error_handler_t::ignore: