nlohmann::json_sax

template<typename BasicJsonType>
struct json_sax;

This class describes the SAX interface used by 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.

Template parameters

BasicJsonType : a specialization of basic_json

Member types

• number_integer_t - BasicJsonType's type for numbers (integer)
• number_unsigned_t - BasicJsonType's type for numbers (unsigned)
• number_float_t - BasicJsonType's type for numbers (floating-point)
• string_t - BasicJsonType's type for strings
• binary_t - BasicJsonType's type for binary arrays

Member functions

• binary (virtual) - a binary value was read
• boolean (virtual) - a boolean value was read
• end_array (virtual) - the end of an array was read
• end_object (virtual) - the end of an object was read
• key (virtual) - an object key was read
• null (virtual) - a null value was read
• number_float (virtual) - a floating-point number was read
• number_integer (virtual) - an integer number was read
• number_unsigned (virtual) - an unsigned integer number was read
• parse_error (virtual) - a parse error occurred
• start_array (virtual) - the beginning of an array was read
• start_object (virtual) - the beginning of an object was read
• string (virtual) - a string value was read

Version history

• Added in version 3.2.0.
• Support for binary values (binary_t, binary) added in version 3.8.0.