private void freestructure(ref TJSONRECORD p)
{
switch (p.recordtype)
{
case TJSONRECORDTYPE.JSON_STRUCT:
for (int i = p.membercount - 1; i >= 0; i += -1)
{
freestructure(ref p.members[i]);
}
p.members = new TJSONRECORD[1];
break;
case TJSONRECORDTYPE.JSON_ARRAY:
for (int i = p.itemcount - 1; i >= 0; i += -1)
{
freestructure(ref p.items[i]);
}
p.items = new TJSONRECORD[1];
break;
}
}
private void DumpStructureRec(ref TJSONRECORD p, ref int deep)
{
string line = null;
string indent = null;
int i = 0;
line = "";
indent = "";
for (i = 0; i <= deep * 2; i++)
{
indent = indent + " ";
}
line = indent + p.name + ":";
switch (p.recordtype)
{
case TJSONRECORDTYPE.JSON_STRING:
line = line + " str=" + p.svalue;
Console.WriteLine(line);
break;
case TJSONRECORDTYPE.JSON_INTEGER:
line = line + " int =" + p.ivalue.ToString();
Console.WriteLine(line);
break;
case TJSONRECORDTYPE.JSON_BOOLEAN:
if (p.bvalue)
line = line + " bool = TRUE";
else
line = line + " bool = FALSE";
Console.WriteLine(line);
break;
case TJSONRECORDTYPE.JSON_STRUCT:
Console.WriteLine(line + " struct");
for (i = 0; i <= p.membercount - 1; i++)
{
DumpStructureRec(ref p.members[i], ref deep);
}
break;
case TJSONRECORDTYPE.JSON_ARRAY:
Console.WriteLine(line + " array");
for (i = 0; i <= p.itemcount - 1; i++)
{
DumpStructureRec(ref p.items[i], ref deep);
}
break;
}
}
private void add2ArrayRecord(ref TJSONRECORD container, ref TJSONRECORD element)
{
if (container.recordtype != TJSONRECORDTYPE.JSON_ARRAY)
throw new System.Exception("container is not an array type");
if ((container.itemcount >= container.itemAllocated))
{
Array.Resize(ref container.items, container.itemAllocated + JSONGRANULARITY);
container.itemAllocated = container.itemAllocated + JSONGRANULARITY;
}
container.items[container.itemcount] = element;
container.itemcount = container.itemcount + 1;
}
private void add2StructRecord(ref TJSONRECORD container, ref TJSONRECORD element)
{
if (container.recordtype != TJSONRECORDTYPE.JSON_STRUCT)
throw new System.Exception("container is not a struct type");
if ((container.membercount >= container.memberAllocated))
{
Array.Resize(ref container.members, container.memberAllocated + JSONGRANULARITY);
container.memberAllocated = container.memberAllocated + JSONGRANULARITY;
}
container.members[container.membercount] = element;
container.membercount = container.membercount + 1;
}
public TJsonParser(string jsonData)
{
const string httpheader = "HTTP/1.1 ";
string errmsg = null;
int p1 = 0;
int p2 = 0;
const string CR = "\r\n";
if (jsonData.Substring(0, httpheader.Length) != httpheader)
{
errmsg = "data should start with " + httpheader;
throw new System.Exception(errmsg);
}
p1 = jsonData.IndexOf(" ", httpheader.Length - 1);
p2 = jsonData.IndexOf(" ", p1 + 1);
httpcode = Convert.ToInt32(jsonData.Substring(p1, p2 - p1 + 1));
if (httpcode != 200)
return;
p1 = jsonData.IndexOf(CR + CR + "{"); //json data is a structure
if (p1 < 0) p1 = jsonData.IndexOf(CR + CR + "["); // json data is an array
if (p1 < 0)
{
errmsg = "data does not contain JSON data";
throw new System.Exception(errmsg);
}
jsonData = jsonData.Substring(p1 + 4, jsonData.Length - p1 - 4);
data = (TJSONRECORD)Parse(jsonData);
}