public static JSONNode Parse(string aJSON)
{
Stack <JSONNode> stack = new Stack <JSONNode>();
JSONNode ctx = null;
int i = 0;
string Token = "";
string TokenName = "";
bool QuoteMode = false;
while (i < aJSON.Length)
{
switch (aJSON[i])
{
case '{':
if (QuoteMode)
{
Token += aJSON[i];
break;
}
stack.Push(new JSONClass());
if (ctx != null)
{
TokenName = TokenName.Trim();
if (ctx is JSONArray)
{
ctx.Add(stack.Peek());
}
else if (TokenName != "")
{
ctx.Add(TokenName, stack.Peek());
}
}
TokenName = "";
Token = "";
ctx = stack.Peek();
break;
case '[':
if (QuoteMode)
{
Token += aJSON[i];
break;
}
stack.Push(new JSONArray());
if (ctx != null)
{
TokenName = TokenName.Trim();
if (ctx is JSONArray)
{
ctx.Add(stack.Peek());
}
else if (TokenName != "")
{
ctx.Add(TokenName, stack.Peek());
}
}
TokenName = "";
Token = "";
ctx = stack.Peek();
break;
case '}':
case ']':
if (QuoteMode)
{
Token += aJSON[i];
break;
}
if (stack.Count == 0)
{
throw new Exception("JSON Parse: Too many closing brackets");
}
stack.Pop();
if (Token != "")
{
TokenName = TokenName.Trim();
if (ctx is JSONArray)
{
ctx.Add(Token);
}
else if (TokenName != "")
{
ctx.Add(TokenName, Token);
}
}
TokenName = "";
Token = "";
if (stack.Count > 0)
{
ctx = stack.Peek();
}
break;
case ':':
if (QuoteMode)
{
Token += aJSON[i];
break;
}
TokenName = Token;
Token = "";
break;
case '"':
QuoteMode ^= true;
break;
case ',':
if (QuoteMode)
{
Token += aJSON[i];
break;
}
if (Token != "")
{
if (ctx is JSONArray)
{
ctx.Add(Token);
}
else if (TokenName != "")
{
ctx.Add(TokenName, Token);
}
}
TokenName = "";
Token = "";
break;
case '\r':
case '\n':
break;
case ' ':
case '\t':
if (QuoteMode)
{
Token += aJSON[i];
}
break;
case '\\':
++i;
if (QuoteMode)
{
char C = aJSON[i];
switch (C)
{
case 't': Token += '\t'; break;
case 'r': Token += '\r'; break;
case 'n': Token += '\n'; break;
case 'b': Token += '\b'; break;
case 'f': Token += '\f'; break;
case 'u':
{
string s = aJSON.Substring(i + 1, 4);
Token += (char)int.Parse(s, System.Globalization.NumberStyles.AllowHexSpecifier);
i += 4;
break;
}
default: Token += C; break;
}
}
break;
default:
Token += aJSON[i];
break;
}
++i;
}
if (QuoteMode)
{
throw new Exception("JSON Parse: Quotation marks seems to be messed up.");
}
return(ctx);
}
public static JSONNode Parse(string aJSON)
{
Stack <JSONNode> stack = new Stack <JSONNode>();
JSONNode node = null;
int num = 0;
string aItem = string.Empty;
string aKey = string.Empty;
bool flag = false;
while (num < aJSON.Length)
{
char ch;
char ch2 = aJSON[num];
switch (ch2)
{
case '\t':
case ' ':
if (flag)
{
aItem = aItem + aJSON[num];
}
goto Label_0467;
case '\n':
case '\r':
goto Label_0467;
case '"':
flag ^= true;
goto Label_0467;
default:
switch (ch2)
{
case '[':
if (!flag)
{
goto Label_0151;
}
aItem = aItem + aJSON[num];
goto Label_0467;
case '\\':
num++;
if (!flag)
{
goto Label_0467;
}
ch = aJSON[num];
switch (ch)
{
case 'n':
aItem = aItem + '\n';
goto Label_0467;
case 'r':
aItem = aItem + '\r';
goto Label_0467;
case 't':
aItem = aItem + '\t';
goto Label_0467;
case 'u':
{
string s = aJSON.Substring(num + 1, 4);
aItem = aItem + ((char)int.Parse(s, NumberStyles.AllowHexSpecifier));
num += 4;
goto Label_0467;
}
case 'b':
aItem = aItem + '\b';
goto Label_0467;
case 'f':
goto Label_03F6;
}
goto Label_0437;
case ']':
goto Label_01C5;
default:
switch (ch2)
{
case '{':
if (!flag)
{
break;
}
aItem = aItem + aJSON[num];
goto Label_0467;
case '}':
goto Label_01C5;
}
break;
}
switch (ch2)
{
case ',':
if (flag)
{
aItem = aItem + aJSON[num];
}
else
{
if (aItem != string.Empty)
{
if (node is JSONArray)
{
node.Add(aItem);
}
else if (aKey != string.Empty)
{
node.Add(aKey, aItem);
}
}
aKey = string.Empty;
aItem = string.Empty;
}
goto Label_0467;
case ':':
if (flag)
{
aItem = aItem + aJSON[num];
}
else
{
aKey = aItem;
aItem = string.Empty;
}
goto Label_0467;
default:
aItem = aItem + aJSON[num];
goto Label_0467;
}
break;
}
stack.Push(new JSONClass());
if (node != null)
{
aKey = aKey.Trim();
if (node is JSONArray)
{
node.Add(stack.Peek());
}
else if (aKey != string.Empty)
{
node.Add(aKey, stack.Peek());
}
}
aKey = string.Empty;
aItem = string.Empty;
node = stack.Peek();
goto Label_0467;
Label_0151:
stack.Push(new JSONArray());
if (node != null)
{
aKey = aKey.Trim();
if (node is JSONArray)
{
node.Add(stack.Peek());
}
else if (aKey != string.Empty)
{
node.Add(aKey, stack.Peek());
}
}
aKey = string.Empty;
aItem = string.Empty;
node = stack.Peek();
goto Label_0467;
Label_01C5:
if (flag)
{
aItem = aItem + aJSON[num];
}
else
{
if (stack.Count == 0)
{
throw new Exception("JSON Parse: Too many closing brackets");
}
stack.Pop();
if (aItem != string.Empty)
{
aKey = aKey.Trim();
if (node is JSONArray)
{
node.Add(aItem);
}
else if (aKey != string.Empty)
{
node.Add(aKey, aItem);
}
}
aKey = string.Empty;
aItem = string.Empty;
if (stack.Count > 0)
{
node = stack.Peek();
}
}
goto Label_0467;
Label_03F6:
aItem = aItem + '\f';
goto Label_0467;
Label_0437:
aItem = aItem + ch;
Label_0467:
num++;
}
if (flag)
{
throw new Exception("JSON Parse: Quotation marks seems to be messed up.");
}
return(node);
}