Determines if an element exists.
Syntax
Exists = SRP_JsonX_Has(Path)
Returns
1 if the element exists, 0 if not.
Parameters
| Parameter | Description |
|---|---|
| Path | Path to an element. |
Remarks
SRP_JsonX_Has determines if the element pointed to by Path exists. See Paths for more details.
Examples
$insert SRPJSONX
Json = '{'
Json := ' "employees": ['
Json := ' {'
Json := ' "firstname": "John",'
Json := ' "lastname": "Doe",'
Json := ' "age": 21'
Json := ' },'
Json := ' {'
Json := ' "firstname": "Anna",'
Json := ' "lastname": "Smith",'
Json := ' "age": 32'
Json := ' },'
Json := ' {'
Json := ' "firstname": "Peter",'
Json := ' "lastname": "Jones",'
Json := ' "age": 43'
Json := ' }'
Json := ' ],'
Json := ' "nums": [1, 2, 3, 4, 5, 6, 7, 8, 9, 10],'
Json := ' "active": true,'
Json := ' "alwaysnull": null,'
Json := ' "alwaysstring": "4.321"'
Json := '}'
SRP_JsonX_Parse('MyDocument', json)
Exists = SRP_JsonX_Has('employees[2].lastname')
NotExists = SRP_JsonX_Has('employees[2].birthdate')
SRP_JsonX_End()
