SAX interface. More...
#include <json.h>
SAX interface.
This class describes the SAX interface used by nlohmann::json::sax_parse. Each function is called in different situations while the input is parsed. The boolean return value informs the parser whether to continue processing the input.
Public Types | |
using | number_integer_t = typename BasicJsonType::number_integer_t |
using | number_unsigned_t = typename BasicJsonType::number_unsigned_t |
using | number_float_t = typename BasicJsonType::number_float_t |
using | string_t = typename BasicJsonType::string_t |
using | binary_t = typename BasicJsonType::binary_t |
Public Member Functions | |
virtual bool | null ()=0 |
a null value was read More... | |
virtual bool | boolean (bool val)=0 |
a boolean value was read More... | |
virtual bool | number_integer (number_integer_t val)=0 |
an integer number was read More... | |
virtual bool | number_unsigned (number_unsigned_t val)=0 |
an unsigned integer number was read More... | |
virtual bool | number_float (number_float_t val, const string_t &s)=0 |
an floating-point number was read More... | |
virtual bool | string (string_t &val)=0 |
a string was read More... | |
virtual bool | binary (binary_t &val)=0 |
a binary string was read More... | |
virtual bool | start_object (std::size_t elements)=0 |
the beginning of an object was read More... | |
virtual bool | key (string_t &val)=0 |
an object key was read More... | |
virtual bool | end_object ()=0 |
the end of an object was read More... | |
virtual bool | start_array (std::size_t elements)=0 |
the beginning of an array was read More... | |
virtual bool | end_array ()=0 |
the end of an array was read More... | |
virtual bool | parse_error (std::size_t position, const std::string &last_token, const detail::exception &ex)=0 |
a parse error occurred More... | |
virtual | ~json_sax ()=default |
using nlohmann::json_sax< BasicJsonType >::binary_t = typename BasicJsonType::binary_t |
using nlohmann::json_sax< BasicJsonType >::number_float_t = typename BasicJsonType::number_float_t |
using nlohmann::json_sax< BasicJsonType >::number_integer_t = typename BasicJsonType::number_integer_t |
using nlohmann::json_sax< BasicJsonType >::number_unsigned_t = typename BasicJsonType::number_unsigned_t |
using nlohmann::json_sax< BasicJsonType >::string_t = typename BasicJsonType::string_t |
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virtualdefault |
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pure virtual |
a binary string was read
[in] | val | binary value |
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pure virtual |
a boolean value was read
[in] | val | boolean value |
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pure virtual |
the end of an array was read
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pure virtual |
the end of an object was read
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pure virtual |
an object key was read
[in] | val | object key |
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pure virtual |
a null value was read
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pure virtual |
an floating-point number was read
[in] | val | floating-point value |
[in] | s | raw token value |
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pure virtual |
an integer number was read
[in] | val | integer value |
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pure virtual |
an unsigned integer number was read
[in] | val | unsigned integer value |
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pure virtual |
a parse error occurred
[in] | position | the position in the input where the error occurs |
[in] | last_token | the last read token |
[in] | ex | an exception object describing the error |
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pure virtual |
the beginning of an array was read
[in] | elements | number of array elements or -1 if unknown |
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pure virtual |
the beginning of an object was read
[in] | elements | number of object elements or -1 if unknown |
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pure virtual |
a string was read
[in] | val | string value |