private static object ParseNumber(string json, ref int index, ref bool success)
{
PlayFabSimpleJson.EatWhitespace(json, ref index);
int lastIndexOfNumber = PlayFabSimpleJson.GetLastIndexOfNumber(json, index);
int length = lastIndexOfNumber - index + 1;
string text = json.Substring(index, length);
object result;
if (text.IndexOf(".", StringComparison.OrdinalIgnoreCase) != -1 || text.IndexOf("e", StringComparison.OrdinalIgnoreCase) != -1)
{
double num;
success = double.TryParse(json.Substring(index, length), NumberStyles.Any, CultureInfo.InvariantCulture, out num);
result = num;
}
else if (text.IndexOf("-", StringComparison.OrdinalIgnoreCase) == -1)
{
ulong num2;
success = ulong.TryParse(json.Substring(index, length), NumberStyles.Any, CultureInfo.InvariantCulture, out num2);
result = num2;
}
else
{
long num3;
success = long.TryParse(json.Substring(index, length), NumberStyles.Any, CultureInfo.InvariantCulture, out num3);
result = num3;
}
index = lastIndexOfNumber + 1;
return(result);
}
private static PlayFabSimpleJson.TokenType NextToken(string json, ref int index)
{
PlayFabSimpleJson.EatWhitespace(json, ref index);
if (index == json.Length)
{
return(PlayFabSimpleJson.TokenType.NONE);
}
char c = json[index];
index++;
switch (c)
{
case ',':
return(PlayFabSimpleJson.TokenType.COMMA);
case '-':
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
return(PlayFabSimpleJson.TokenType.NUMBER);
default:
switch (c)
{
case '[':
return(PlayFabSimpleJson.TokenType.SQUARED_OPEN);
default:
switch (c)
{
case '{':
return(PlayFabSimpleJson.TokenType.CURLY_OPEN);
default:
{
if (c == '"')
{
return(PlayFabSimpleJson.TokenType.STRING);
}
index--;
int num = json.Length - index;
if (num >= 5 && json[index] == 'f' && json[index + 1] == 'a' && json[index + 2] == 'l' && json[index + 3] == 's' && json[index + 4] == 'e')
{
index += 5;
return(PlayFabSimpleJson.TokenType.FALSE);
}
if (num >= 4 && json[index] == 't' && json[index + 1] == 'r' && json[index + 2] == 'u' && json[index + 3] == 'e')
{
index += 4;
return(PlayFabSimpleJson.TokenType.TRUE);
}
if (num >= 4 && json[index] == 'n' && json[index + 1] == 'u' && json[index + 2] == 'l' && json[index + 3] == 'l')
{
index += 4;
return(PlayFabSimpleJson.TokenType.NULL);
}
return(PlayFabSimpleJson.TokenType.NONE);
}
case '}':
return(PlayFabSimpleJson.TokenType.CURLY_CLOSE);
}
break;
case ']':
return(PlayFabSimpleJson.TokenType.SQUARED_CLOSE);
}
break;
case ':':
return(PlayFabSimpleJson.TokenType.COLON);
}
}
private static string ParseString(string json, ref int index, ref bool success)
{
if (PlayFabSimpleJson._parseStringBuilder == null)
{
PlayFabSimpleJson._parseStringBuilder = new StringBuilder(2000);
}
PlayFabSimpleJson._parseStringBuilder.Length = 0;
PlayFabSimpleJson.EatWhitespace(json, ref index);
char c = json[index++];
bool flag = false;
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 == '"')
{
PlayFabSimpleJson._parseStringBuilder.Append('"');
}
else if (c == '\\')
{
PlayFabSimpleJson._parseStringBuilder.Append('\\');
}
else if (c == '/')
{
PlayFabSimpleJson._parseStringBuilder.Append('/');
}
else if (c == 'b')
{
PlayFabSimpleJson._parseStringBuilder.Append('\b');
}
else if (c == 'f')
{
PlayFabSimpleJson._parseStringBuilder.Append('\f');
}
else if (c == 'n')
{
PlayFabSimpleJson._parseStringBuilder.Append('\n');
}
else if (c == 'r')
{
PlayFabSimpleJson._parseStringBuilder.Append('\r');
}
else if (c == 't')
{
PlayFabSimpleJson._parseStringBuilder.Append('\t');
}
else if (c == 'u')
{
int num = json.Length - index;
if (num < 4)
{
break;
}
uint num2;
if (!(success = uint.TryParse(json.Substring(index, 4), NumberStyles.HexNumber, CultureInfo.InvariantCulture, out num2)))
{
return(string.Empty);
}
if (55296u <= num2 && num2 <= 56319u)
{
index += 4;
num = json.Length - index;
uint num3;
if (num < 6 || !(json.Substring(index, 2) == "\\u") || !uint.TryParse(json.Substring(index + 2, 4), NumberStyles.HexNumber, CultureInfo.InvariantCulture, out num3) || 56320u > num3 || num3 > 57343u)
{
success = false;
return(string.Empty);
}
PlayFabSimpleJson._parseStringBuilder.Append((char)num2);
PlayFabSimpleJson._parseStringBuilder.Append((char)num3);
index += 6;
}
else
{
PlayFabSimpleJson._parseStringBuilder.Append(PlayFabSimpleJson.ConvertFromUtf32((int)num2));
index += 4;
}
}
}
else
{
PlayFabSimpleJson._parseStringBuilder.Append(c);
}
}
if (!flag)
{
success = false;
return(null);
}
return(PlayFabSimpleJson._parseStringBuilder.ToString());
}
