Extension::JsonPathToOffset Method
Syntax
.PathToOffset as n (json as C, path as C [, base as N])
Arguments
- json
Json input text
- path
Path to get starting offset of.
- base
Optional array/position base.
Description
Get the offset in the json (1 based) - for the 'path'. The 'base' argument indicates array/position start - Xbasic should be 1, javascript should be 0.
Discussion
This method can be used to divide or decorate an element in json string, usually this would be used in conjuction with PathExtract so that the length of the element can also be determined.
Example
dim json as c = <<%json%
{
"fname": "john",
"lname": "public",
"address": {
"address1": "12 main street",
"address2": "apt 2b",
"state": "NY",
"city": "Springfield"
},
"bill_address": {
"address1": "12 main street",
"address2": "apt 2b",
"state": "NY",
"city": "Statesville"
}
}
%json%
pos = extension::json::PathToOffset(json,"address.state")
? pos
= 155
before = left(json,pos-1)
after = substr(json,pos)
? before+"Contents for address.state here>>"+after
= {
"fname": "john",
"lname": "public",
"address": {
"address1": "12 main street",
"address2": "apt 2b",
"state": Contents for address.state here>>"NY",
"city": "Springfield"
},
"bill_address": {
"address1": "12 main street",
"address2": "apt 2b",
"state": "NY",
"city": "Statesville"
}
}