private static object ParseNumber(char[] json, ref int index, ref bool success)
{
SimpleJsonTool.EatWhitespace(json, ref index);
int lastIndexOfNumber = SimpleJsonTool.GetLastIndexOfNumber(json, index);
int length = lastIndexOfNumber - index + 1;
string text = new string(json, index, length);
object result;
if (text.IndexOf(".", StringComparison.OrdinalIgnoreCase) != -1 || text.IndexOf("e", StringComparison.OrdinalIgnoreCase) != -1)
{
double num;
success = double.TryParse(new string(json, index, length), NumberStyles.Any, CultureInfo.InvariantCulture, out num);
result = num;
}
else
{
long num2;
success = long.TryParse(new string(json, index, length), NumberStyles.Any, CultureInfo.InvariantCulture, out num2);
result = num2;
}
index = lastIndexOfNumber + 1;
return(result);
}
private static int NextToken(char[] json, ref int index)
{
SimpleJsonTool.EatWhitespace(json, ref index);
int result;
if (index != json.Length)
{
char c = json[index];
index++;
switch (c)
{
case ',':
result = 6;
return(result);
case '-':
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
result = 8;
return(result);
case '.':
case '/':
IL_69:
switch (c)
{
case '[':
result = 3;
return(result);
case '\\':
IL_7E:
switch (c)
{
case '{':
result = 1;
return(result);
case '|':
IL_93:
if (c != '"')
{
index--;
int num = json.Length - index;
if (num >= 5)
{
if (json[index] == 'f' && json[index + 1] == 'a' && json[index + 2] == 'l' && json[index + 3] == 's' && json[index + 4] == 'e')
{
index += 5;
result = 10;
return(result);
}
}
if (num >= 4)
{
if (json[index] == 't' && json[index + 1] == 'r' && json[index + 2] == 'u' && json[index + 3] == 'e')
{
index += 4;
result = 9;
return(result);
}
}
if (num >= 4)
{
if (json[index] == 'n' && json[index + 1] == 'u' && json[index + 2] == 'l' && json[index + 3] == 'l')
{
index += 4;
result = 11;
return(result);
}
}
result = 0;
return(result);
}
result = 7;
return(result);
case '}':
result = 2;
return(result);
default:
goto IL_93;
}
case ']':
result = 4;
return(result);
default:
goto IL_7E;
}
case ':':
result = 5;
return(result);
default:
goto IL_69;
}
}
result = 0;
return(result);
}
private static string ParseString(char[] json, ref int index, ref bool success)
{
StringBuilder stringBuilder = GetStringBuilder(); //new StringBuilder(2000);
SimpleJsonTool.EatWhitespace(json, ref index);
char c = json[index++];
bool flag = false;
string result;
while (!flag)
{
if (index == json.Length)
{
break;
}
c = json[index++];
if (c == '"')
{
flag = true;
break;
}
if (c == '\\')
{
if (index == json.Length)
{
break;
}
c = json[index++];
if (c == '"')
{
stringBuilder.Append('"');
}
else if (c == '\\')
{
stringBuilder.Append('\\');
}
else if (c == '/')
{
stringBuilder.Append('/');
}
else if (c == 'b')
{
stringBuilder.Append('\b');
}
else if (c == 'f')
{
stringBuilder.Append('\f');
}
else if (c == 'n')
{
stringBuilder.Append('\n');
}
else if (c == 'r')
{
stringBuilder.Append('\r');
}
else if (c == 't')
{
stringBuilder.Append('\t');
}
else if (c == 'u')
{
int num = json.Length - index;
if (num >= 4)
{
uint num2;
if (!(success = uint.TryParse(new string(json, index, 4), NumberStyles.HexNumber, CultureInfo.InvariantCulture, out num2)))
{
result = "";
}
else
{
if (55296u > num2 || num2 > 56319u)
{
stringBuilder.Append(SimpleJsonTool.ConvertFromUtf32((int)num2));
index += 4;
continue;
}
index += 4;
num = json.Length - index;
if (num >= 6)
{
uint num3;
if (new string(json, index, 2) == "\\u" && uint.TryParse(new string(json, index + 2, 4), NumberStyles.HexNumber, CultureInfo.InvariantCulture, out num3))
{
if (56320u <= num3 && num3 <= 57343u)
{
stringBuilder.Append((char)num2);
stringBuilder.Append((char)num3);
index += 6;
continue;
}
}
}
success = false;
result = "";
}
return(result);
}
break;
}
}
else
{
stringBuilder.Append(c);
}
}
if (!flag)
{
success = false;
result = null;
return(result);
}
result = stringBuilder.ToString();
RecycleStringBuilder(stringBuilder);
return(result);
}