private static JsonObject ParseJson(string jsonString, int start, out int end)
{
var resultDictionary = new JsonObject();
bool escBegin = false;
bool escEnd = false;
bool inQuotes = false;
string key = null;
int cEnd;
var tokenBuilder = new StringBuilder();
JsonObject child = null;
IList <object> arrayList = null;
int autoKey = 0;
for (int i = start; i < jsonString.Length; i++)
{
char c = jsonString[i];
if (c == '\\')
{
escBegin = !escBegin;
}
if (!escBegin)
{
if (c == '"')
{
inQuotes = !inQuotes;
if (!inQuotes && arrayList != null)
{
tokenBuilder.Append(c);
arrayList.Add(ParseValue(tokenBuilder.ToString()));
tokenBuilder.Length = 0;
continue;
}
}
if (!inQuotes)
{
switch (c)
{
case '{':
if (i != start)
{
child = ParseJson(jsonString, i, out cEnd);
if (arrayList != null)
{
arrayList.Add(child);
}
else
{
resultDictionary.Add(key, child);
key = null;
}
i = cEnd;
}
continue;
case '}':
end = i;
if (key != null)
{
if (arrayList != null)
{
resultDictionary.Add(key, arrayList);
}
else
{
resultDictionary.Add(key, ParseValue(tokenBuilder.ToString()));
}
}
return(resultDictionary);
case '[':
arrayList = new List <object>();
continue;
case ']':
if (key == null)
{
key = "array" + autoKey.ToString();
autoKey++;
}
if (arrayList != null && tokenBuilder.Length > 0)
{
arrayList.Add(ParseValue(tokenBuilder.ToString()));
tokenBuilder.Length = 0;
}
resultDictionary.Add(key, arrayList);
arrayList = null;
key = null;
continue;
case ',':
if (arrayList == null && key != null)
{
resultDictionary.Add(key, ParseValue(tokenBuilder.ToString()));
key = null;
tokenBuilder.Length = 0;
}
if (arrayList != null && tokenBuilder.Length > 0)
{
arrayList.Add(ParseValue(tokenBuilder.ToString()));
tokenBuilder.Length = 0;
}
continue;
case ':':
key = ParseValue(tokenBuilder.ToString()).ToString();
tokenBuilder.Length = 0;
continue;
case ' ':
case '\t':
case '\r':
case '\n':
continue;
}
}
}
tokenBuilder.Append(c);
if (escEnd)
{
escBegin = false;
}
if (escBegin)
{
escEnd = true;
}
else
{
escEnd = false;
}
}
end = jsonString.Length - 1;
return(resultDictionary); //theoretically shouldn't ever get here
}