protected static int NextToken(char[] json, ref int index)
{
JsonParser.EatWhitespace(json, ref index);
if (index == json.Length)
{
return(0);
}
char ch = json[index];
++index;
switch (ch)
{
case '"':
return(7);
case ',':
return(6);
case '-':
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
return(8);
case ':':
return(5);
case '[':
return(3);
case ']':
return(4);
case '{':
return(1);
case '}':
return(2);
default:
--index;
int num = json.Length - index;
if (num >= 5 && (int)json[index] == 102 && ((int)json[index + 1] == 97 && (int)json[index + 2] == 108) && ((int)json[index + 3] == 115 && (int)json[index + 4] == 101))
{
index += 5;
return(10);
}
if (num >= 4 && (int)json[index] == 116 && ((int)json[index + 1] == 114 && (int)json[index + 2] == 117) && (int)json[index + 3] == 101)
{
index += 4;
return(9);
}
if (num < 4 || (int)json[index] != 110 || ((int)json[index + 1] != 117 || (int)json[index + 2] != 108) || (int)json[index + 3] != 108)
{
return(0);
}
index += 4;
return(11);
}
}
internal static object JsonDecode(string json)
{
bool success = true;
return(JsonParser.JsonDecode(json, ref success));
}
protected static int LookAhead(char[] json, int index)
{
int index1 = index;
return(JsonParser.NextToken(json, ref index1));
}
protected static string ParseString(char[] json, ref int index, ref bool success)
{
StringBuilder stringBuilder = new StringBuilder();
JsonParser.EatWhitespace(json, ref index);
char ch1 = json[index++];
bool flag = false;
while (!flag && index != json.Length)
{
char ch2 = json[index++];
switch (ch2)
{
case '"':
flag = true;
goto label_19;
case '\\':
if (index != json.Length)
{
switch (json[index++])
{
case '"':
stringBuilder.Append('"');
continue;
case '/':
stringBuilder.Append('/');
continue;
case '\\':
stringBuilder.Append('\\');
continue;
case 'b':
stringBuilder.Append('\b');
continue;
case 'f':
stringBuilder.Append('\f');
continue;
case 'n':
stringBuilder.Append('\n');
continue;
case 'r':
stringBuilder.Append('\r');
continue;
case 't':
stringBuilder.Append('\t');
continue;
case 'u':
if (json.Length - index >= 4)
{
uint result;
if (!(success = uint.TryParse(new string(json, index, 4), NumberStyles.HexNumber, (IFormatProvider)CultureInfo.InvariantCulture, out result)))
{
return("");
}
stringBuilder.Append(char.ConvertFromUtf32((int)result));
index += 4;
continue;
}
goto label_19;
default:
continue;
}
}
else
{
goto label_19;
}
default:
stringBuilder.Append(ch2);
continue;
}
}
label_19:
if (flag)
{
return(stringBuilder.ToString());
}
success = false;
return((string)null);
}
