JSON::FromString

1 Version
2 Description
3 Syntax
4 Parameters
5 Return
6 Examples
7 Remark
8 See Also
9 Header to Included

Version

Minimum Origin Version Required: Origin 2017 SR0

Description

Parse a string as JSON and transform it to a struct/class object

Syntax

BOOL FromString( ClassObject data, LPCSTR str, DWORD dwJSONLOAD = 0 )

BOOL FromString( vectorbase & data, LPCSTR str )

Parameters

data

[output]Reference to a struct/class object

str

[input]Stringified JSON string from given object

dwJSONLOAD

[input]Additional options for loading JSON string

JSONLOAD_ODE_SHORTENED = 0x00010000

JSONLOAD_ODE_PREPARE_FOR_IMPORT = 0x00020000

data: [output]vector to accept Javascript array
str: [input]Stringified JSON string from given object

Return

TRUE on success, FALSE on failure

Examples

EX1

void FromString_ex()
{
    string strJSON = "{\"left\":12,\"right\":34,\"top\":56,\"bottom\":78}";
    RECT rect;
    JSON.FromString(rect, strJSON);

    Tree tr;
    if(JSON.FromString(tr, strJSON))
        out_tree(tr);
    else
        out_str("Err");
}

EX2

void TestJSON_vector()
{
        vector<string> vs1;
        vs1.Add("hello1");
        vs1.Add("hello2");
        vs1.Add("hello3");
        string strvs1;
        OCJSONToString param;
        param.dwFlags = JSONToStringFlagsDisableIndentation;
        JSON.ToString(vs1, strvs1, &param);
        string strvd1;
        vector<double> vd1;
        vd1.Add(3.14);
        vd1.Add(1024);
        vd1.Add(-3687.3645);
        JSON.ToString(vd1, strvd1, &param);
        
        string strvs2 = "[\"hello1\",\"hello2\",\"hello3\"]";
        vector<string> vs2;
        JSON.FromString(vs2, strvs2);
        string strvd2 = "[3.1400000000000001,1024,-3687.3645000000001]";
        vector<double> vd2;
        JSON.FromString(vd2, strvd2);
        if (strvs1 != strvs2)
                printf("strvs1 != strvs2");
        if (strvd1 != strvd2)
                printf("strvd1 != strvd2");
        
        Worksheet wks;
        wks.Create("Origin");
        Dataset dsA(wks, 0);
        string strds1 = "[314.56, -963, 6317, 8]";
        JSON.FromString(dsA, strds1);
        string strds2;
        JSON.ToString(dsA, strds2);
}