Visual FoxPro

Iterate over JSON Array containing JSON Objects

See more JSON Examples

Demonstrates how to load a JSON array and iterate over the JSON objects. Visual FoxPro

LOCAL lnSuccess
LOCAL loSbJsonArray
LOCAL loArr
LOCAL lnTagId
LOCAL lcTagDescription
LOCAL lnIsPublic
LOCAL i
LOCAL lnCount
LOCAL loObj

lnSuccess = 0

* Loads the following JSON array and iterates over the objects:
* 
* [
* {"tagId":95,"tagDescription":"hola 1","isPublic":true},
* {"tagId":98,"tagDescription":"hola 1","isPublic":true},
* {"tagId":101,"tagDescription":"hola 1","isPublic":true},
* {"tagId":104,"tagDescription":"hola 1","isPublic":true},
* {"tagId":107,"tagDescription":"hola 1","isPublic":true},
* {"tagId":110,"tagDescription":"hola 1","isPublic":true},
* {"tagId":113,"tagDescription":"hola 1","isPublic":true},
* {"tagId":114,"tagDescription":"hola 2","isPublic":true},
* {"tagId":111,"tagDescription":"hola 2","isPublic":true},
* {"tagId":108,"tagDescription":"hola 2","isPublic":true},
* {"tagId":105,"tagDescription":"hola 2","isPublic":true},
* {"tagId":102,"tagDescription":"hola 2","isPublic":true},
* {"tagId":99,"tagDescription":"hola 2","isPublic":true},
* {"tagId":96,"tagDescription":"hola 2","isPublic":true},
* {"tagId":97,"tagDescription":"hola 3","isPublic":true},
* {"tagId":100,"tagDescription":"hola 3","isPublic":true},
* {"tagId":103,"tagDescription":"hola 3","isPublic":true},
* {"tagId":106,"tagDescription":"hola 3","isPublic":true},
* {"tagId":109,"tagDescription":"hola 3","isPublic":true},
* {"tagId":112,"tagDescription":"hola 3","isPublic":true},
* {"tagId":115,"tagDescription":"hola 3","isPublic":true},
* {"tagId":93,"tagDescription":"new tag","isPublic":true},
* {"tagId":94,"tagDescription":"new tag","isPublic":true},
* {"tagId":89,"tagDescription":"tag 1","isPublic":true},
* {"tagId":90,"tagDescription":"tag 2","isPublic":true},
* {"tagId":91,"tagDescription":"tag private 1","isPublic":false},
* {"tagId":92,"tagDescription":"tag private 2","isPublic":false}
* ]

* Load a file containing the above JSON..
loSbJsonArray = CreateObject('Chilkat.StringBuilder')
lnSuccess = loSbJsonArray.LoadFile("qa_data/json/arraySample.json","utf-8")

loArr = CreateObject('Chilkat.JsonArray')
lnSuccess = loArr.LoadSb(loSbJsonArray)

i = 0
lnCount = loArr.Size

DO WHILE i < lnCount
    loObj = loArr.ObjectAt(i)
    lnTagId = loObj.IntOf("tagId")
    lcTagDescription = loObj.StringOf("tagDescription")
    lnIsPublic = loObj.BoolOf("isPublic")

    ? "tagId: " + STR(lnTagId)
    ? "tagDescription: " + lcTagDescription
    ? "isPublic: " + STR(lnIsPublic)
    ? "--"

    RELEASE loObj
    i = i + 1
ENDDO

RELEASE loSbJsonArray
RELEASE loArr