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Gmocamilotd patch 2 #3

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74a70fe
Update json.prg
gmocamilotd Mar 17, 2015
4e7a07a
Update README.md
gmocamilotd Mar 17, 2015
7eaa407
Update README.md
gmocamilotd Mar 17, 2015
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57 changes: 25 additions & 32 deletions README.md
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Original file line number Diff line number Diff line change
@@ -1,55 +1,48 @@
#VFPJSON
JSON library for VFP.
**WARNING** Too slow to used with large data


**json_encode(xExpr)**

**Express2Json(eExpr)**
Returns a string, that is the json of any expression passed.

**json_decode(cJson)**

**Json2Object(cJson)**
Returns an object, from the string passed.

**json_getErrorMsg()**

Returns empty if no error found in last decode.

**recordToJson()**

**Record2Json()**
Returns the json representation for current record.

**tableToJson()**

**Table2Json()**
Returns the json representation for current table
Warning need to be changed for large table, because use dimension aInfo[reccount()]
For large table should change to create the string record by record.

**JsonfromUrl(cUrl)
Capture properly the JSON of a websever

###Examples
```
set procedure json additive

oPerson = json_decode(' { "name":"Ignacio" , "lastname":"Gutierrez", "age":33 } ')
if not empty(json_getErrorMsg())
? 'Error in decode:'+json_getErrorMsg())
return
endif
? oPerson.get('name') , oPerson.get('lastname')
*!* Examples

obj = oJson.decode('{"jsonrpc":"1.0", "id":1, "method":"sumArray", "params":[3.1415,2.14,10],"version":1.0}')
? obj.get('jsonrpc'), obj._jsonrpc
? obj.get('id'), obj._id
? obj.get('method'), obj._method
? obj._Params.array[1], obj._Params.get(1)
*!* set procedure vfpjson additive
*!* oPerson = json_decode(' { "name":"Ignacio" , "lastname":"Gutierrez", "age":33 } ')
*!* If Not Empty(json_getErrorMsg())
*!* ? 'Error in decode:'+json_getErrorMsg())
*!* Return
*!* Endif
*!* ? oPerson.Get('name') , oPerson.Get('lastname')


cJson = ' {"server":"imap.gmail.com", "user":"billgates", "password":"melinda" , "port":895, "auth":false, "ssl":false, "timeout":20, "error":404}'
? cJson
oSmtp = json_decode(cJson)
cJson = json_encode(oSmtp)
*!* oCustomer = json_decode( ' { "name":"Ignacio" , "lastname":"Gutierrez", "age":33 } ')
*!* ? _Json.encode(oCustomer)
*!* ? oCustomer.Get('name')
*!* ? oCustomer.Get('lastname')
*!* ? oCustomer._age
*!* ? oCustomer &&"(Object)"


? json_encode(_screen)
*!* cstring = _Json.JsonfromUrl("http://api.geonames.org/citiesJSON?north=44.1&south=-9.9&east=-22.4&west=55.2&lang=de&username=demo")
*!* obj= _json.json2object(cstring)
*!* ?obj._geonames.array[1]._name
*!* ?obj._geonames.array[2]._name
*!* ?obj._geonames.array[3]._name

```
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