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📝 overworked documentation

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Replacing references to std exceptions with user-defined exceptions.
Also changed some examples to the new exceptions.
This commit is contained in:
Niels Lohmann 2017-03-08 21:03:19 +01:00
parent 9374eaa013
commit fe71e7df1f
No known key found for this signature in database
GPG key ID: 7F3CEA63AE251B69
24 changed files with 325 additions and 128 deletions
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doc/examples/at__object_t_key_type Executable file
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4
doc/examples/at__object_t_key_type.cpp
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@ -26,8 +26,8 @@ int main()
{
object.at("the fast") = "il rapido";
}
catch (std::out_of_range& e)
catch (json::out_of_range& e)
{
std::cout << "out of range: " << e.what() << '\n';
std::cout << e.what() << '\n';
}
}

2
doc/examples/at__object_t_key_type.link
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@ -1 +1 @@
<a target="_blank" href="http://melpon.org/wandbox/permlink/tb5CaFfsMWpAvi7m"><b>online</b></a>
<a target="_blank" href="http://melpon.org/wandbox/permlink/WtZ49NXtkzcLAx37"><b>online</b></a>

2
doc/examples/at__object_t_key_type.output
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@ -1,3 +1,3 @@
"il brutto"
{"the bad":"il cattivo","the good":"il buono","the ugly":"il brutto"}
out of range: key 'the fast' not found
[json.exception.out_of_range.403] key 'the fast' not found

3
doc/examples/at__object_t_key_type.test Normal file
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@ -0,0 +1,3 @@
"il brutto"
{"the bad":"il cattivo","the good":"il buono","the ugly":"il brutto"}
[json.exception.out_of_range.403] key 'the fast' not found

2
doc/examples/at__object_t_key_type_const.cpp
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@ -20,7 +20,7 @@ int main()
{
std::cout << object.at("the fast") << '\n';
}
catch (std::out_of_range)
catch (json::out_of_range)
{
std::cout << "out of range" << '\n';
}

2
doc/examples/at__object_t_key_type_const.link
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@ -1 +1 @@
<a target="_blank" href="http://melpon.org/wandbox/permlink/NFG86H5khRUePc1s"><b>online</b></a>
<a target="_blank" href="http://melpon.org/wandbox/permlink/AsC3grSJ7UngjKwF"><b>online</b></a>

4
doc/examples/at__size_type.cpp
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@ -21,8 +21,8 @@ int main()
{
array.at(5) = "sixth";
}
catch (std::out_of_range& e)
catch (json::out_of_range& e)
{
std::cout << "out of range: " << e.what() << '\n';
std::cout << e.what() << '\n';
}
}

2
doc/examples/at__size_type.link
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@ -1 +1 @@
<a target="_blank" href="http://melpon.org/wandbox/permlink/R7z2SB2rMdFQ9XtR"><b>online</b></a>
<a target="_blank" href="http://melpon.org/wandbox/permlink/EU0DspVPybW5cJDH"><b>online</b></a>

2
doc/examples/at__size_type.output
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@ -1,3 +1,3 @@
"third"
["first","second","third","fourth"]
out of range: array index 5 is out of range
[json.exception.out_of_range.401] array index 5 is out of range

2
doc/examples/at__size_type_const.cpp
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@ -15,7 +15,7 @@ int main()
{
std::cout << array.at(5) << '\n';
}
catch (std::out_of_range)
catch (json::out_of_range)
{
std::cout << "out of range" << '\n';
}

2
doc/examples/at__size_type_const.link
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@ -1 +1 @@
<a target="_blank" href="http://melpon.org/wandbox/permlink/L1bMeiN6nYm7JrvA"><b>online</b></a>
<a target="_blank" href="http://melpon.org/wandbox/permlink/ZiPo8P49B2Cc8B85"><b>online</b></a>

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doc/examples/get_ref Executable file
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doc/examples/get_ref.cpp
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@ -19,7 +19,7 @@ int main()
{
auto r3 = value.get_ref<json::number_float_t&>();
}
catch (std::domain_error& ex)
catch (json::type_error& ex)
{
std::cout << ex.what() << '\n';
}

2
doc/examples/get_ref.link
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@ -1 +1 @@
<a target="_blank" href="http://melpon.org/wandbox/permlink/WiO1oBWDvIs82OX1"><b>online</b></a>
<a target="_blank" href="http://melpon.org/wandbox/permlink/lsl8Ex3d3SOYnKHu"><b>online</b></a>

2
doc/examples/get_ref.output
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@ -1,2 +1,2 @@
17 17
incompatible ReferenceType for get_ref, actual type is number
[json.exception.type_error.303] incompatible ReferenceType for get_ref, actual type is number

2
doc/examples/get_ref.test Normal file
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@ -0,0 +1,2 @@
17 17
[json.exception.type_error.303] incompatible ReferenceType for get_ref, actual type is number

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doc/examples/json_pointer Executable file
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doc/examples/json_pointer.cpp
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@ -19,9 +19,9 @@ int main()
{
json::json_pointer p9("foo");
}
catch (std::domain_error& e)
catch (json::parse_error& e)
{
std::cout << "domain_error: " << e.what() << '\n';
std::cout << e.what() << '\n';
}
// error: JSON pointer uses escape symbol ~ not followed by 0 or 1
@ -29,9 +29,9 @@ int main()
{
json::json_pointer p10("/foo/~");
}
catch (std::domain_error& e)
catch (json::parse_error& e)
{
std::cout << "domain_error: " << e.what() << '\n';
std::cout << e.what() << '\n';
}
// error: JSON pointer uses escape symbol ~ not followed by 0 or 1
@ -39,8 +39,8 @@ int main()
{
json::json_pointer p11("/foo/~3");
}
catch (std::domain_error& e)
catch (json::parse_error& e)
{
std::cout << "domain_error: " << e.what() << '\n';
std::cout << e.what() << '\n';
}
}

2
doc/examples/json_pointer.link
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@ -1 +1 @@
<a target="_blank" href="http://melpon.org/wandbox/permlink/WM2WWKnXdmdw17Wu"><b>online</b></a>
<a target="_blank" href="http://melpon.org/wandbox/permlink/Wlvqfd3JpEXTv2iH"><b>online</b></a>

6
doc/examples/json_pointer.output
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@ -1,3 +1,3 @@
domain_error: JSON pointer must be empty or begin with '/'
domain_error: escape error: '~' must be followed with '0' or '1'
domain_error: escape error: '~' must be followed with '0' or '1'
[json.exception.parse_error.107] parse error at 1: JSON pointer must be empty or begin with '/' - was: 'foo'
[json.exception.parse_error.108] parse error: escape character '~' must be followed with '0' or '1'
[json.exception.parse_error.108] parse error: escape character '~' must be followed with '0' or '1'

3
doc/examples/json_pointer.test Normal file
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@ -0,0 +1,3 @@
[json.exception.parse_error.107] parse error at 1: JSON pointer must be empty or begin with '/' - was: 'foo'
[json.exception.parse_error.108] parse error: escape character '~' must be followed with '0' or '1'
[json.exception.parse_error.108] parse error: escape character '~' must be followed with '0' or '1'

197
src/json.hpp
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@ -301,7 +301,8 @@ Exceptions have ids 5xx.
name / id | example massage | description
------------------------------ | --------------- | -------------------------
json.exception.[other_error](@ref other_error).501 | "unsuccessful" | A JSON Patch operation 'test' failed.
json.exception.[other_error](@ref other_error).501 | "unsuccessful: {"op":"test","path":"/baz",
"value":"bar"}" | A JSON Patch operation 'test' failed.
@since version 3.0.0
*/
@ -3652,7 +3653,7 @@ class basic_json
@return copy of the JSON value, converted to type @a ValueType
@throw std::domain_error in case passed type @a ValueType is incompatible
@throw type_error.302 in case passed type @a ValueType is incompatible
to JSON, thrown by @ref get() const
@complexity Linear in the size of the JSON value.
@ -4088,7 +4089,7 @@ class basic_json
@return const reference to the element at key @a key
@throw std::domain_error if JSON is not an object; example: `"cannot use
@throw type_error.305 if JSON is not an object; example: `"cannot use
operator[] with null"`
@complexity Logarithmic in the size of the container.
@ -4365,7 +4366,7 @@ class basic_json
assertions**).
@post The JSON value remains unchanged.
@throw std::out_of_range when called on `null` value
@throw invalid_iterator.214 when called on `null` value
@liveexample{The following code shows an example for `front()`.,front}
@ -4408,7 +4409,7 @@ class basic_json
assertions**).
@post The JSON value remains unchanged.
@throw std::out_of_range when called on `null` value.
@throw invalid_iterator.214 when called on `null` value.
@liveexample{The following code shows an example for `back()`.,back}
@ -4698,7 +4699,7 @@ class basic_json
@throw type_error.307 when called on a type other than JSON object;
example: `"cannot use erase() with null"`
@throw std::out_of_range when `idx >= size()`; example: `"array index 17
@throw out_of_range.401 when `idx >= size()`; example: `"array index 17
is out of range"`
@complexity Linear in distance between @a idx and the end of the container.
@ -7032,6 +7033,8 @@ class basic_json
@throw parse_error.101 if a parse error occurs; example: `""unexpected end
of input; expected string literal""`
@throw parse_error.102 if to_unicode fails or surrogate error
@throw parse_error.103 if to_unicode fails
@complexity Linear in the length of the input. The parser is a predictive
LL(1) parser. The complexity can be higher if the parser callback function
@ -7063,6 +7066,10 @@ class basic_json
@return result of the deserialization
@throw parse_error.101 in case of an unexpected token
@throw parse_error.102 if to_unicode fails or surrogate error
@throw parse_error.103 if to_unicode fails
@complexity Linear in the length of the input. The parser is a predictive
LL(1) parser. The complexity can be higher if the parser callback function
@a cb has a super-linear complexity.
@ -7099,6 +7106,11 @@ class basic_json
@return result of the deserialization
@throw parse_error.101 in case of an unexpected token
@throw parse_error.102 if to_unicode fails or surrogate error
@throw parse_error.103 if to_unicode fails
@throw parse_error.111 if input stream is in a bad state
@complexity Linear in the length of the input. The parser is a predictive
LL(1) parser. The complexity can be higher if the parser callback function
@a cb has a super-linear complexity.
@ -7158,6 +7170,10 @@ class basic_json
@return result of the deserialization
@throw parse_error.101 in case of an unexpected token
@throw parse_error.102 if to_unicode fails or surrogate error
@throw parse_error.103 if to_unicode fails
@complexity Linear in the length of the input. The parser is a predictive
LL(1) parser. The complexity can be higher if the parser callback function
@a cb has a super-linear complexity.
@ -7228,6 +7244,10 @@ class basic_json
@return result of the deserialization
@throw parse_error.101 in case of an unexpected token
@throw parse_error.102 if to_unicode fails or surrogate error
@throw parse_error.103 if to_unicode fails
@complexity Linear in the length of the input. The parser is a predictive
LL(1) parser. The complexity can be higher if the parser callback function
@a cb has a super-linear complexity.
@ -7260,7 +7280,10 @@ class basic_json
@param[in,out] i input stream to read a serialized JSON value from
@param[in,out] j JSON value to write the deserialized input to
@throw std::invalid_argument in case of parse errors
@throw parse_error.101 in case of an unexpected token
@throw parse_error.102 if to_unicode fails or surrogate error
@throw parse_error.103 if to_unicode fails
@throw parse_error.111 if input stream is in a bad state
@complexity Linear in the length of the input. The parser is a predictive
LL(1) parser.
@ -7963,9 +7986,9 @@ class basic_json
@return deserialized JSON value
@throw std::invalid_argument if unsupported features from MessagePack were
@throw parse_error.110 if the given vector ends prematurely
@throw parse_error.112 if unsupported features from MessagePack were
used in the given vector @a v or if the input is not valid MessagePack
@throw std::out_of_range if the given vector ends prematurely
@sa https://github.com/msgpack/msgpack/blob/master/spec.md
*/
@ -8205,9 +8228,9 @@ class basic_json
@return deserialized JSON value
@throw std::invalid_argument if unsupported features from CBOR were used in
the given vector @a v or if the input is not valid CBOR
@throw std::out_of_range if the given vector ends prematurely
@throw parse_error.110 if the given vector ends prematurely
@throw parse_error.112 if unsupported features from CBOR were
used in the given vector @a v or if the input is not valid CBOR
@sa https://tools.ietf.org/html/rfc7049
*/
@ -8729,9 +8752,9 @@ class basic_json
@param[in] start_index the index to start reading from @a v (0 by default)
@return deserialized JSON value
@throw std::invalid_argument if unsupported features from MessagePack were
@throw parse_error.110 if the given vector ends prematurely
@throw parse_error.112 if unsupported features from MessagePack were
used in the given vector @a v or if the input is not valid MessagePack
@throw std::out_of_range if the given vector ends prematurely
@complexity Linear in the size of the byte vector @a v.
@ -8792,9 +8815,9 @@ class basic_json
@param[in] start_index the index to start reading from @a v (0 by default)
@return deserialized JSON value
@throw std::invalid_argument if unsupported features from CBOR were used in
the given vector @a v or if the input is not valid MessagePack
@throw std::out_of_range if the given vector ends prematurely
@throw parse_error.110 if the given vector ends prematurely
@throw parse_error.112 if unsupported features from CBOR were
used in the given vector @a v or if the input is not valid CBOR
@complexity Linear in the size of the byte vector @a v.
@ -9908,7 +9931,10 @@ class basic_json
m_limit = m_content + len;
}
/// a lexer from an input stream
/*!
@brief a lexer from an input stream
@throw parse_error.111 if input stream is in a bad state
*/
explicit lexer(std::istream& s)
: m_stream(&s), m_line_buffer()
{
@ -11288,7 +11314,7 @@ basic_json_parser_74:
@return string value of current token without opening and closing
quotes
@throw parse_error.102 if to_unicode fails
@throw parse_error.102 if to_unicode fails or surrogate error
@throw parse_error.103 if to_unicode fails
*/
string_t get_string() const
@ -11685,7 +11711,10 @@ basic_json_parser_74:
m_lexer(reinterpret_cast<const typename lexer::lexer_char_t*>(buff), std::strlen(buff))
{}
/// a parser reading from an input stream
/*!
@brief a parser reading from an input stream
@throw parse_error.111 if input stream is in a bad state
*/
parser(std::istream& is, const parser_callback_t cb = nullptr)
: callback(cb), m_lexer(is)
{}
@ -11701,7 +11730,12 @@ basic_json_parser_74:
static_cast<size_t>(std::distance(first, last)))
{}
/// public parser interface
/*!
@brief public parser interface
@throw parse_error.101 in case of an unexpected token
@throw parse_error.102 if to_unicode fails or surrogate error
@throw parse_error.103 if to_unicode fails
*/
basic_json parse()
{
// read first token
@ -11718,7 +11752,12 @@ basic_json_parser_74:
}
private:
/// the actual parser
/*!
@brief the actual parser
@throw parse_error.101 in case of an unexpected token
@throw parse_error.102 if to_unicode fails or surrogate error
@throw parse_error.103 if to_unicode fails
*/
basic_json parse_internal(bool keep)
{
auto result = basic_json(value_t::discarded);
@ -11921,6 +11960,9 @@ basic_json_parser_74:
return last_token;
}
/*!
@throw parse_error.101 if expected token did not occur
*/
void expect(typename lexer::token_type t) const
{
if (t != last_token)
@ -11934,6 +11976,9 @@ basic_json_parser_74:
}
}
/*!
@throw parse_error.101 if unexpected token occurred
*/
void unexpect(typename lexer::token_type t) const
{
if (t == last_token)
@ -11985,12 +12030,12 @@ basic_json_parser_74:
empty string is assumed which references the whole JSON
value
@throw parse_error.107 if reference token is nonempty and does not
begin with a slash (`/`); example: `"JSON pointer must be empty or
begin with / - was: 'foo'"`
@throw parse_error.108 if a tilde (`~`) is not followed by `0`
(representing `~`) or `1` (representing `/`); example: `"escape
character '~' must be followed with '0' or '1'"`
@throw parse_error.107 if the given JSON pointer @a s is nonempty and
does not begin with a slash (`/`); see example below
@throw parse_error.108 if a tilde (`~`) in the given JSON pointer @a s
is not followed by `0` (representing `~`) or `1` (representing `/`);
see example below
@liveexample{The example shows the construction several valid JSON
pointers as well as the exceptional behavior.,json_pointer}
@ -12033,7 +12078,10 @@ basic_json_parser_74:
}
private:
/// remove and return last reference pointer
/*!
@brief remove and return last reference pointer
@throw out_of_range.405 if JSON pointer has no parent
*/
std::string pop_back()
{
if (is_root())
@ -12068,6 +12116,9 @@ basic_json_parser_74:
@brief create and return a reference to the pointed to value
@complexity Linear in the number of reference tokens.
@throw parse_error.109 if array index is not a number
@throw type_error.313 if value cannot be unflattened
*/
reference get_and_create(reference j) const
{
@ -12147,9 +12198,9 @@ basic_json_parser_74:
@complexity Linear in the length of the JSON pointer.
@throw out_of_range.404 if the JSON pointer can not be resolved
@throw parse_error.106 if an array index begins with '0'
@throw std::invalid_argument if an array index was not a number
@throw parse_error.109 if an array index was not a number
@throw out_of_range.404 if the JSON pointer can not be resolved
*/
reference get_unchecked(pointer ptr) const
{
@ -12225,6 +12276,12 @@ basic_json_parser_74:
return *ptr;
}
/*!
@throw parse_error.106 if an array index begins with '0'
@throw parse_error.109 if an array index was not a number
@throw out_of_range.402 if the array index '-' is used
@throw out_of_range.404 if the JSON pointer can not be resolved
*/
reference get_checked(pointer ptr) const
{
for (const auto& reference_token : reference_tokens)
@ -12283,6 +12340,11 @@ basic_json_parser_74:
@return const reference to the JSON value pointed to by the JSON
pointer
@throw parse_error.106 if an array index begins with '0'
@throw parse_error.109 if an array index was not a number
@throw out_of_range.402 if the array index '-' is used
@throw out_of_range.404 if the JSON pointer can not be resolved
*/
const_reference get_unchecked(const_pointer ptr) const
{
@ -12335,6 +12397,12 @@ basic_json_parser_74:
return *ptr;
}
/*!
@throw parse_error.106 if an array index begins with '0'
@throw parse_error.109 if an array index was not a number
@throw out_of_range.402 if the array index '-' is used
@throw out_of_range.404 if the JSON pointer can not be resolved
*/
const_reference get_checked(const_pointer ptr) const
{
for (const auto& reference_token : reference_tokens)
@ -12386,7 +12454,15 @@ basic_json_parser_74:
return *ptr;
}
/// split the string input to reference tokens
/*!
@brief split the string input to reference tokens
@note This function is only called by the json_pointer constructor.
All exceptions below are documented there.
@throw parse_error.107 if the pointer is not empty or begins with '/'
@throw parse_error.108 if character '~' is not followed by '0' or '1'
*/
static std::vector<std::string> split(const std::string& reference_string)
{
std::vector<std::string> result;
@ -12447,7 +12523,6 @@ basic_json_parser_74:
return result;
}
private:
/*!
@brief replace all occurrences of a substring by another string
@ -12456,7 +12531,8 @@ basic_json_parser_74:
@param[in] f the substring to replace with @a t
@param[in] t the string to replace @a f
@pre The search string @a f must not be empty.
@pre The search string @a f must not be empty. **This precondition is
enforced with an assertion.**
@since version 2.0.0
*/
@ -12556,6 +12632,11 @@ basic_json_parser_74:
@param[in] value flattened JSON
@return unflattened JSON
@throw parse_error.109 if array index is not a number
@throw type_error.314 if value is not an object
@throw type_error.315 if object values are not primitive
@throw type_error.313 if value cannot be unflattened
*/
static basic_json unflatten(const basic_json& value)
{
@ -12585,7 +12666,6 @@ basic_json_parser_74:
return result;
}
private:
friend bool operator==(json_pointer const& lhs,
json_pointer const& rhs) noexcept
{
@ -12634,9 +12714,9 @@ basic_json_parser_74:
@complexity Constant.
@throw std::out_of_range if the JSON pointer can not be resolved
@throw std::domain_error if an array index begins with '0'
@throw std::invalid_argument if an array index was not a number
@throw parse_error.106 if an array index begins with '0'
@throw parse_error.109 if an array index was not a number
@throw out_of_range.404 if the JSON pointer can not be resolved
@liveexample{The behavior is shown in the example.,operatorjson_pointer}
@ -12661,9 +12741,10 @@ basic_json_parser_74:
@complexity Constant.
@throw std::out_of_range if the JSON pointer can not be resolved
@throw std::domain_error if an array index begins with '0'
@throw std::invalid_argument if an array index was not a number
@throw parse_error.106 if an array index begins with '0'
@throw parse_error.109 if an array index was not a number
@throw out_of_range.402 if the array index '-' is used
@throw out_of_range.404 if the JSON pointer can not be resolved
@liveexample{The behavior is shown in the example.,operatorjson_pointer_const}
@ -12686,9 +12767,10 @@ basic_json_parser_74:
@complexity Constant.
@throw std::out_of_range if the JSON pointer can not be resolved
@throw std::domain_error if an array index begins with '0'
@throw std::invalid_argument if an array index was not a number
@throw parse_error.106 if an array index begins with '0'
@throw parse_error.109 if an array index was not a number
@throw out_of_range.402 if the array index '-' is used
@throw out_of_range.404 if the JSON pointer can not be resolved
@liveexample{The behavior is shown in the example.,at_json_pointer}
@ -12711,9 +12793,10 @@ basic_json_parser_74:
@complexity Constant.
@throw std::out_of_range if the JSON pointer can not be resolved
@throw std::domain_error if an array index begins with '0'
@throw std::invalid_argument if an array index was not a number
@throw parse_error.106 if an array index begins with '0'
@throw parse_error.109 if an array index was not a number
@throw out_of_range.402 if the array index '-' is used
@throw out_of_range.404 if the JSON pointer can not be resolved
@liveexample{The behavior is shown in the example.,at_json_pointer_const}
@ -12773,6 +12856,9 @@ basic_json_parser_74:
@complexity Linear in the size the JSON value.
@throw type_error.314 if value is not an object
@throw type_error.315 if object values are not primitve
@liveexample{The following code shows how a flattened JSON object is
unflattened into the original nested JSON object.,unflatten}
@ -12810,13 +12896,22 @@ basic_json_parser_74:
any case, the original value is not changed: the patch is applied
to a copy of the value.
@throw parse_error.104 if the JSON patch does not consist of an array of
objects
@throw parse_error.105 if the JSON patch is malformed (e.g., mandatory
attributes are missing); example: `"operation add must have member path"`
@throw out_of_range.401 if an array index is out of range.
@throw out_of_range.403 if a JSON pointer inside the patch could not be
resolved successfully in the current JSON value; example: `"key baz not
found"`
@throw invalid_argument if the JSON patch is malformed (e.g., mandatory
attributes are missing); example: `"operation add must have member path"`
@throw parse_error.104 if the JSON patch does not consist of an array of
objects
@throw out_of_range.405 if JSON pointer has no parent ("add", "remove",
"move")
@throw other_error.501 if "test" operation was unsuccessful
@complexity Linear in the size of the JSON value and the length of the
JSON patch. As usually only a fraction of the JSON value is affected by

194
src/json.hpp.re2c
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@ -3653,7 +3653,7 @@ class basic_json
@return copy of the JSON value, converted to type @a ValueType
@throw std::domain_error in case passed type @a ValueType is incompatible
@throw type_error.302 in case passed type @a ValueType is incompatible
to JSON, thrown by @ref get() const
@complexity Linear in the size of the JSON value.
@ -4089,7 +4089,7 @@ class basic_json
@return const reference to the element at key @a key
@throw std::domain_error if JSON is not an object; example: `"cannot use
@throw type_error.305 if JSON is not an object; example: `"cannot use
operator[] with null"`
@complexity Logarithmic in the size of the container.
@ -4366,7 +4366,7 @@ class basic_json
assertions**).
@post The JSON value remains unchanged.
@throw std::out_of_range when called on `null` value
@throw invalid_iterator.214 when called on `null` value
@liveexample{The following code shows an example for `front()`.,front}
@ -4409,7 +4409,7 @@ class basic_json
assertions**).
@post The JSON value remains unchanged.
@throw std::out_of_range when called on `null` value.
@throw invalid_iterator.214 when called on `null` value.
@liveexample{The following code shows an example for `back()`.,back}
@ -4699,7 +4699,7 @@ class basic_json
@throw type_error.307 when called on a type other than JSON object;
example: `"cannot use erase() with null"`
@throw std::out_of_range when `idx >= size()`; example: `"array index 17
@throw out_of_range.401 when `idx >= size()`; example: `"array index 17
is out of range"`
@complexity Linear in distance between @a idx and the end of the container.
@ -7033,6 +7033,8 @@ class basic_json
@throw parse_error.101 if a parse error occurs; example: `""unexpected end
of input; expected string literal""`
@throw parse_error.102 if to_unicode fails or surrogate error
@throw parse_error.103 if to_unicode fails
@complexity Linear in the length of the input. The parser is a predictive
LL(1) parser. The complexity can be higher if the parser callback function
@ -7064,6 +7066,10 @@ class basic_json
@return result of the deserialization
@throw parse_error.101 in case of an unexpected token
@throw parse_error.102 if to_unicode fails or surrogate error
@throw parse_error.103 if to_unicode fails
@complexity Linear in the length of the input. The parser is a predictive
LL(1) parser. The complexity can be higher if the parser callback function
@a cb has a super-linear complexity.
@ -7100,6 +7106,11 @@ class basic_json
@return result of the deserialization
@throw parse_error.101 in case of an unexpected token
@throw parse_error.102 if to_unicode fails or surrogate error
@throw parse_error.103 if to_unicode fails
@throw parse_error.111 if input stream is in a bad state
@complexity Linear in the length of the input. The parser is a predictive
LL(1) parser. The complexity can be higher if the parser callback function
@a cb has a super-linear complexity.
@ -7159,6 +7170,10 @@ class basic_json
@return result of the deserialization
@throw parse_error.101 in case of an unexpected token
@throw parse_error.102 if to_unicode fails or surrogate error
@throw parse_error.103 if to_unicode fails
@complexity Linear in the length of the input. The parser is a predictive
LL(1) parser. The complexity can be higher if the parser callback function
@a cb has a super-linear complexity.
@ -7229,6 +7244,10 @@ class basic_json
@return result of the deserialization
@throw parse_error.101 in case of an unexpected token
@throw parse_error.102 if to_unicode fails or surrogate error
@throw parse_error.103 if to_unicode fails
@complexity Linear in the length of the input. The parser is a predictive
LL(1) parser. The complexity can be higher if the parser callback function
@a cb has a super-linear complexity.
@ -7261,7 +7280,10 @@ class basic_json
@param[in,out] i input stream to read a serialized JSON value from
@param[in,out] j JSON value to write the deserialized input to
@throw std::invalid_argument in case of parse errors
@throw parse_error.101 in case of an unexpected token
@throw parse_error.102 if to_unicode fails or surrogate error
@throw parse_error.103 if to_unicode fails
@throw parse_error.111 if input stream is in a bad state
@complexity Linear in the length of the input. The parser is a predictive
LL(1) parser.
@ -7964,9 +7986,9 @@ class basic_json
@return deserialized JSON value
@throw std::invalid_argument if unsupported features from MessagePack were
@throw parse_error.110 if the given vector ends prematurely
@throw parse_error.112 if unsupported features from MessagePack were
used in the given vector @a v or if the input is not valid MessagePack
@throw std::out_of_range if the given vector ends prematurely
@sa https://github.com/msgpack/msgpack/blob/master/spec.md
*/
@ -8206,9 +8228,9 @@ class basic_json
@return deserialized JSON value
@throw std::invalid_argument if unsupported features from CBOR were used in
the given vector @a v or if the input is not valid CBOR
@throw std::out_of_range if the given vector ends prematurely
@throw parse_error.110 if the given vector ends prematurely
@throw parse_error.112 if unsupported features from CBOR were
used in the given vector @a v or if the input is not valid CBOR
@sa https://tools.ietf.org/html/rfc7049
*/
@ -8730,9 +8752,9 @@ class basic_json
@param[in] start_index the index to start reading from @a v (0 by default)
@return deserialized JSON value
@throw std::invalid_argument if unsupported features from MessagePack were
@throw parse_error.110 if the given vector ends prematurely
@throw parse_error.112 if unsupported features from MessagePack were
used in the given vector @a v or if the input is not valid MessagePack
@throw std::out_of_range if the given vector ends prematurely
@complexity Linear in the size of the byte vector @a v.
@ -8793,9 +8815,9 @@ class basic_json
@param[in] start_index the index to start reading from @a v (0 by default)
@return deserialized JSON value
@throw std::invalid_argument if unsupported features from CBOR were used in
the given vector @a v or if the input is not valid MessagePack
@throw std::out_of_range if the given vector ends prematurely
@throw parse_error.110 if the given vector ends prematurely
@throw parse_error.112 if unsupported features from CBOR were
used in the given vector @a v or if the input is not valid CBOR
@complexity Linear in the size of the byte vector @a v.
@ -9909,7 +9931,10 @@ class basic_json
m_limit = m_content + len;
}
/// a lexer from an input stream
/*!
@brief a lexer from an input stream
@throw parse_error.111 if input stream is in a bad state
*/
explicit lexer(std::istream& s)
: m_stream(&s), m_line_buffer()
{
@ -10322,7 +10347,7 @@ class basic_json
@return string value of current token without opening and closing
quotes
@throw parse_error.102 if to_unicode fails
@throw parse_error.102 if to_unicode fails or surrogate error
@throw parse_error.103 if to_unicode fails
*/
string_t get_string() const
@ -10719,7 +10744,10 @@ class basic_json
m_lexer(reinterpret_cast<const typename lexer::lexer_char_t*>(buff), std::strlen(buff))
{}
/// a parser reading from an input stream
/*!
@brief a parser reading from an input stream
@throw parse_error.111 if input stream is in a bad state
*/
parser(std::istream& is, const parser_callback_t cb = nullptr)
: callback(cb), m_lexer(is)
{}
@ -10735,7 +10763,12 @@ class basic_json
static_cast<size_t>(std::distance(first, last)))
{}
/// public parser interface
/*!
@brief public parser interface
@throw parse_error.101 in case of an unexpected token
@throw parse_error.102 if to_unicode fails or surrogate error
@throw parse_error.103 if to_unicode fails
*/
basic_json parse()
{
// read first token
@ -10752,7 +10785,12 @@ class basic_json
}
private:
/// the actual parser
/*!
@brief the actual parser
@throw parse_error.101 in case of an unexpected token
@throw parse_error.102 if to_unicode fails or surrogate error
@throw parse_error.103 if to_unicode fails
*/
basic_json parse_internal(bool keep)
{
auto result = basic_json(value_t::discarded);
@ -10955,6 +10993,9 @@ class basic_json
return last_token;
}
/*!
@throw parse_error.101 if expected token did not occur
*/
void expect(typename lexer::token_type t) const
{
if (t != last_token)
@ -10968,6 +11009,9 @@ class basic_json
}
}
/*!
@throw parse_error.101 if unexpected token occurred
*/
void unexpect(typename lexer::token_type t) const
{
if (t == last_token)
@ -11019,12 +11063,12 @@ class basic_json
empty string is assumed which references the whole JSON
value
@throw parse_error.107 if reference token is nonempty and does not
begin with a slash (`/`); example: `"JSON pointer must be empty or
begin with / - was: 'foo'"`
@throw parse_error.108 if a tilde (`~`) is not followed by `0`
(representing `~`) or `1` (representing `/`); example: `"escape
character '~' must be followed with '0' or '1'"`
@throw parse_error.107 if the given JSON pointer @a s is nonempty and
does not begin with a slash (`/`); see example below
@throw parse_error.108 if a tilde (`~`) in the given JSON pointer @a s
is not followed by `0` (representing `~`) or `1` (representing `/`);
see example below
@liveexample{The example shows the construction several valid JSON
pointers as well as the exceptional behavior.,json_pointer}
@ -11067,7 +11111,10 @@ class basic_json
}
private:
/// remove and return last reference pointer
/*!
@brief remove and return last reference pointer
@throw out_of_range.405 if JSON pointer has no parent
*/
std::string pop_back()
{
if (is_root())
@ -11102,6 +11149,9 @@ class basic_json
@brief create and return a reference to the pointed to value
@complexity Linear in the number of reference tokens.
@throw parse_error.109 if array index is not a number
@throw type_error.313 if value cannot be unflattened
*/
reference get_and_create(reference j) const
{
@ -11181,9 +11231,9 @@ class basic_json
@complexity Linear in the length of the JSON pointer.
@throw out_of_range.404 if the JSON pointer can not be resolved
@throw parse_error.106 if an array index begins with '0'
@throw std::invalid_argument if an array index was not a number
@throw parse_error.109 if an array index was not a number
@throw out_of_range.404 if the JSON pointer can not be resolved
*/
reference get_unchecked(pointer ptr) const
{
@ -11259,6 +11309,12 @@ class basic_json
return *ptr;
}
/*!
@throw parse_error.106 if an array index begins with '0'
@throw parse_error.109 if an array index was not a number
@throw out_of_range.402 if the array index '-' is used
@throw out_of_range.404 if the JSON pointer can not be resolved
*/
reference get_checked(pointer ptr) const
{
for (const auto& reference_token : reference_tokens)
@ -11317,6 +11373,11 @@ class basic_json
@return const reference to the JSON value pointed to by the JSON
pointer
@throw parse_error.106 if an array index begins with '0'
@throw parse_error.109 if an array index was not a number
@throw out_of_range.402 if the array index '-' is used
@throw out_of_range.404 if the JSON pointer can not be resolved
*/
const_reference get_unchecked(const_pointer ptr) const
{
@ -11369,6 +11430,12 @@ class basic_json
return *ptr;
}
/*!
@throw parse_error.106 if an array index begins with '0'
@throw parse_error.109 if an array index was not a number
@throw out_of_range.402 if the array index '-' is used
@throw out_of_range.404 if the JSON pointer can not be resolved
*/
const_reference get_checked(const_pointer ptr) const
{
for (const auto& reference_token : reference_tokens)
@ -11420,7 +11487,15 @@ class basic_json
return *ptr;
}
/// split the string input to reference tokens
/*!
@brief split the string input to reference tokens
@note This function is only called by the json_pointer constructor.
All exceptions below are documented there.
@throw parse_error.107 if the pointer is not empty or begins with '/'
@throw parse_error.108 if character '~' is not followed by '0' or '1'
*/
static std::vector<std::string> split(const std::string& reference_string)
{
std::vector<std::string> result;
@ -11481,7 +11556,6 @@ class basic_json
return result;
}
private:
/*!
@brief replace all occurrences of a substring by another string
@ -11490,7 +11564,8 @@ class basic_json
@param[in] f the substring to replace with @a t
@param[in] t the string to replace @a f
@pre The search string @a f must not be empty.
@pre The search string @a f must not be empty. **This precondition is
enforced with an assertion.**
@since version 2.0.0
*/
@ -11590,6 +11665,11 @@ class basic_json
@param[in] value flattened JSON
@return unflattened JSON
@throw parse_error.109 if array index is not a number
@throw type_error.314 if value is not an object
@throw type_error.315 if object values are not primitive
@throw type_error.313 if value cannot be unflattened
*/
static basic_json unflatten(const basic_json& value)
{
@ -11619,7 +11699,6 @@ class basic_json
return result;
}
private:
friend bool operator==(json_pointer const& lhs,
json_pointer const& rhs) noexcept
{
@ -11668,9 +11747,9 @@ class basic_json
@complexity Constant.
@throw std::out_of_range if the JSON pointer can not be resolved
@throw std::domain_error if an array index begins with '0'
@throw std::invalid_argument if an array index was not a number
@throw parse_error.106 if an array index begins with '0'
@throw parse_error.109 if an array index was not a number
@throw out_of_range.404 if the JSON pointer can not be resolved
@liveexample{The behavior is shown in the example.,operatorjson_pointer}
@ -11695,9 +11774,10 @@ class basic_json
@complexity Constant.
@throw std::out_of_range if the JSON pointer can not be resolved
@throw std::domain_error if an array index begins with '0'
@throw std::invalid_argument if an array index was not a number
@throw parse_error.106 if an array index begins with '0'
@throw parse_error.109 if an array index was not a number
@throw out_of_range.402 if the array index '-' is used
@throw out_of_range.404 if the JSON pointer can not be resolved
@liveexample{The behavior is shown in the example.,operatorjson_pointer_const}
@ -11720,9 +11800,10 @@ class basic_json
@complexity Constant.
@throw std::out_of_range if the JSON pointer can not be resolved
@throw std::domain_error if an array index begins with '0'
@throw std::invalid_argument if an array index was not a number
@throw parse_error.106 if an array index begins with '0'
@throw parse_error.109 if an array index was not a number
@throw out_of_range.402 if the array index '-' is used
@throw out_of_range.404 if the JSON pointer can not be resolved
@liveexample{The behavior is shown in the example.,at_json_pointer}
@ -11745,9 +11826,10 @@ class basic_json
@complexity Constant.
@throw std::out_of_range if the JSON pointer can not be resolved
@throw std::domain_error if an array index begins with '0'
@throw std::invalid_argument if an array index was not a number
@throw parse_error.106 if an array index begins with '0'
@throw parse_error.109 if an array index was not a number
@throw out_of_range.402 if the array index '-' is used
@throw out_of_range.404 if the JSON pointer can not be resolved
@liveexample{The behavior is shown in the example.,at_json_pointer_const}
@ -11807,6 +11889,9 @@ class basic_json
@complexity Linear in the size the JSON value.
@throw type_error.314 if value is not an object
@throw type_error.315 if object values are not primitve
@liveexample{The following code shows how a flattened JSON object is
unflattened into the original nested JSON object.,unflatten}
@ -11844,13 +11929,22 @@ class basic_json
any case, the original value is not changed: the patch is applied
to a copy of the value.
@throw parse_error.104 if the JSON patch does not consist of an array of
objects
@throw parse_error.105 if the JSON patch is malformed (e.g., mandatory
attributes are missing); example: `"operation add must have member path"`
@throw out_of_range.401 if an array index is out of range.
@throw out_of_range.403 if a JSON pointer inside the patch could not be
resolved successfully in the current JSON value; example: `"key baz not
found"`
@throw invalid_argument if the JSON patch is malformed (e.g., mandatory
attributes are missing); example: `"operation add must have member path"`
@throw parse_error.104 if the JSON patch does not consist of an array of
objects
@throw out_of_range.405 if JSON pointer has no parent ("add", "remove",
"move")
@throw other_error.501 if "test" operation was unsuccessful
@complexity Linear in the size of the JSON value and the length of the
JSON patch. As usually only a fraction of the JSON value is affected by