public static JSONNode Parse(string aJSON)
{
Stack <JSONNode> stack = new Stack <JSONNode>();
JSONNode ctx = null;
int num = 0;
StringBuilder builder = new StringBuilder();
string tokenName = string.Empty;
bool flag = false;
bool quoted = false;
while (num < aJSON.Length)
{
char ch = aJSON[num];
switch (ch)
{
case '\t':
goto Label_026C;
case '\n':
case '\r':
goto Label_0368;
default:
switch (ch)
{
case '[':
if (!flag)
{
goto Label_0115;
}
builder.Append(aJSON[num]);
goto Label_0368;
case '\\':
goto Label_0286;
case ']':
goto Label_0154;
default:
switch (ch)
{
case ' ':
goto Label_026C;
case '"':
flag ^= true;
quoted |= flag;
goto Label_0368;
}
break;
}
switch (ch)
{
case '{':
if (!flag)
{
break;
}
builder.Append(aJSON[num]);
goto Label_0368;
case '}':
goto Label_0154;
}
switch (ch)
{
case ',':
if (flag)
{
builder.Append(aJSON[num]);
}
else
{
if (builder.Length > 0)
{
ParseElement(ctx, builder.ToString(), tokenName, quoted);
quoted = false;
}
tokenName = string.Empty;
builder.Length = 0;
quoted = false;
}
goto Label_0368;
case ':':
if (flag)
{
builder.Append(aJSON[num]);
}
else
{
tokenName = builder.ToString().Trim();
builder.Length = 0;
quoted = false;
}
goto Label_0368;
default:
goto Label_0355;
}
break;
}
stack.Push(new JSONObject());
if (ctx != null)
{
ctx.Add(tokenName, stack.Peek());
}
tokenName = string.Empty;
builder.Length = 0;
ctx = stack.Peek();
goto Label_0368;
Label_0115:
stack.Push(new JSONArray());
if (ctx != null)
{
ctx.Add(tokenName, stack.Peek());
}
tokenName = string.Empty;
builder.Length = 0;
ctx = stack.Peek();
goto Label_0368;
Label_0154:
if (flag)
{
builder.Append(aJSON[num]);
}
else
{
if (stack.Count == 0)
{
throw new Exception("JSON Parse: Too many closing brackets");
}
stack.Pop();
if (builder.Length > 0)
{
ParseElement(ctx, builder.ToString(), tokenName, quoted);
quoted = false;
}
tokenName = string.Empty;
builder.Length = 0;
if (stack.Count > 0)
{
ctx = stack.Peek();
}
}
goto Label_0368;
Label_026C:
if (flag)
{
builder.Append(aJSON[num]);
}
goto Label_0368;
Label_0286:
num++;
if (!flag)
{
goto Label_0368;
}
char ch2 = aJSON[num];
switch (ch2)
{
case 'r':
builder.Append('\r');
goto Label_0368;
case 't':
builder.Append('\t');
goto Label_0368;
case 'u':
{
string s = aJSON.Substring(num + 1, 4);
builder.Append((char)int.Parse(s, NumberStyles.AllowHexSpecifier));
num += 4;
goto Label_0368;
}
default:
switch (ch2)
{
case 'b':
builder.Append('\b');
goto Label_0368;
case 'f':
builder.Append('\f');
goto Label_0368;
case 'n':
builder.Append('\n');
goto Label_0368;
default:
builder.Append(ch2);
goto Label_0368;
}
break;
}
Label_0355:
builder.Append(aJSON[num]);
Label_0368:
num++;
}
if (flag)
{
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 ctx = null;
int i = 0;
StringBuilder Token = new StringBuilder();
string TokenName = "";
bool QuoteMode = false;
bool TokenIsQuoted = false;
while (i < aJSON.Length)
{
switch (aJSON[i])
{
case '{':
if (QuoteMode)
{
Token.Append(aJSON[i]);
break;
}
stack.Push(new JSONObject());
if (ctx != null)
{
ctx.Add(TokenName, stack.Peek());
}
TokenName = "";
Token.Length = 0;
ctx = stack.Peek();
break;
case '[':
if (QuoteMode)
{
Token.Append(aJSON[i]);
break;
}
stack.Push(new JSONArray());
if (ctx != null)
{
ctx.Add(TokenName, stack.Peek());
}
TokenName = "";
Token.Length = 0;
ctx = stack.Peek();
break;
case '}':
case ']':
if (QuoteMode)
{
Token.Append(aJSON[i]);
break;
}
if (stack.Count == 0)
{
throw new Exception("JSON Parse: Too many closing brackets");
}
stack.Pop();
if (Token.Length > 0)
{
ParseElement(ctx, Token.ToString(), TokenName, TokenIsQuoted);
TokenIsQuoted = false;
}
TokenName = "";
Token.Length = 0;
if (stack.Count > 0)
{
ctx = stack.Peek();
}
break;
case ':':
if (QuoteMode)
{
Token.Append(aJSON[i]);
break;
}
TokenName = Token.ToString().Trim();
Token.Length = 0;
TokenIsQuoted = false;
break;
case '"':
QuoteMode ^= true;
TokenIsQuoted |= QuoteMode;
break;
case ',':
if (QuoteMode)
{
Token.Append(aJSON[i]);
break;
}
if (Token.Length > 0)
{
ParseElement(ctx, Token.ToString(), TokenName, TokenIsQuoted);
TokenIsQuoted = false;
}
TokenName = "";
Token.Length = 0;
TokenIsQuoted = false;
break;
case '\r':
case '\n':
break;
case ' ':
case '\t':
if (QuoteMode)
{
Token.Append(aJSON[i]);
}
break;
case '\\':
++i;
if (QuoteMode)
{
char C = aJSON[i];
switch (C)
{
case 't':
Token.Append('\t');
break;
case 'r':
Token.Append('\r');
break;
case 'n':
Token.Append('\n');
break;
case 'b':
Token.Append('\b');
break;
case 'f':
Token.Append('\f');
break;
case 'u':
{
string s = aJSON.Substring(i + 1, 4);
Token.Append((char)int.Parse(
s,
System.Globalization.NumberStyles.AllowHexSpecifier));
i += 4;
break;
}
default:
Token.Append(C);
break;
}
}
break;
default:
Token.Append(aJSON[i]);
break;
}
++i;
}
if (QuoteMode)
{
throw new Exception("JSON Parse: Quotation marks seems to be messed up.");
}
return(ctx);
}