#include "xf_data_analytics/dataframe/json_parser.hpp"
template < int PU_NUM = 4, int COL_NUM = 16, int ARRAY_BW = 4, int FIELD_BW = 4, int TYPE_BW = 4, int VALID_BW = 4, int DATA_BW = 64 > void jsonParser ( ap_uint <128>* json_buf, ap_uint <8>* schema, hls::stream <ObjectEx>& o_obj_strm )
read one standard JSON file from DDR and parse into object stream according to given schema
Parameters:
| PU_NUM | number of paralleled JSON parse core, only support 2/4/8 |
| COL_NUM | maximum supported number of columns, should be power of 2 and less than or equal to 2^FIELD_BW |
| ARRAY_BW | bit width of index for each element in array (all 1’s represent for the last element of the array or non-array value) |
| FIELD_BW | bit width of number of fields (columns) |
| TYPE_BW | bit width of data type (including line separator / end of file etc.) |
| VALID_BW | bit width of number of valid bytes in data (from LSB) |
| DATA_BW | bit width of data |
| json_buf | buffer of JSON file to be parsed |
| schema | key name, nested status, and data type of value for each column |
| o_obj_strm | output object stream for selected columns |