protected static string ParseNumber(char[] json, ref int index, ref bool success)
{
JsonParser.EatWhitespace(json, ref index);
int lastIndexOfNumber = JsonParser.GetLastIndexOfNumber(json, index);
int length = lastIndexOfNumber - index + 1;
string result = new string(json, index, length);
success = true;
index = lastIndexOfNumber + 1;
return(result);
}
protected static int NextToken(char[] json, ref int index)
{
JsonParser.EatWhitespace(json, ref index);
if (index == json.Length)
{
return(0);
}
char c = json[index];
index++;
char c2 = c;
switch (c2)
{
case '"':
return(7);
case '#':
case '$':
case '%':
case '&':
case '\'':
case '(':
case ')':
case '*':
case '+':
case '.':
case '/':
break;
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);
default:
switch (c2)
{
case '[':
return(3);
case '\\':
break;
case ']':
return(4);
default:
switch (c2)
{
case '{':
return(1);
case '}':
return(2);
}
break;
}
break;
}
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(10);
}
if (num >= 4 && json[index] == 't' && json[index + 1] == 'r' && json[index + 2] == 'u' && json[index + 3] == 'e')
{
index += 4;
return(9);
}
if (num >= 4 && json[index] == 'n' && json[index + 1] == 'u' && json[index + 2] == 'l' && json[index + 3] == 'l')
{
index += 4;
return(11);
}
return(0);
}
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);
}
}
protected static string ParseString(char[] json, ref int index, ref bool success)
{
StringBuilder stringBuilder = new StringBuilder();
JsonParser.EatWhitespace(json, ref index);
char c = json[index++];
bool flag = false;
while (!flag && index != json.Length)
{
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)
{
break;
}
uint utf;
if (!(success = uint.TryParse(new string(json, index, 4), NumberStyles.HexNumber, CultureInfo.InvariantCulture, out utf)))
{
return("");
}
stringBuilder.Append(char.ConvertFromUtf32((int)utf));
index += 4;
}
}
else
{
stringBuilder.Append(c);
}
}
if (!flag)
{
success = false;
return(null);
}
return(stringBuilder.ToString());
}
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);
}
