public JToken this[int i] {
get { return(elements[i]); }
set {
if (value == null)
{
elements[i] = new JNull();
}
else
{
elements[i] = value;
}
}
}
public override JToken this[string key] {
get { return(values[key]); }
set {
if (value == null)
{
values[key] = new JNull();
}
else
{
values[key] = value;
}
}
}
public static ParseResult <JToken> ParseFirstToken(Substring encoded)
{
JToken token = null;
int substringLength = 0;
int i = 0;
while (i < encoded.Length)
{
char c = encoded[i];
if (IsWhiteSpace(c))
{
i++;
}
else if (c == '{')
{
// Beginning of JSON
var json = ParseFirstObject(encoded.SubSubstring(i));
token = json.Token;
substringLength = json.SubstringLength;
break;
}
else if (c == '"')
{
var jString = ParseFirstString(encoded.SubSubstring(i));
token = jString.Token;
substringLength = jString.SubstringLength;
break;
}
else if (c == '-' || IsDigit(c))
{
var jNumber = ParseFirstNumber(encoded.SubSubstring(i));
token = jNumber.Token;
substringLength = jNumber.SubstringLength;
break;
}
else if (c == '[')
{
var jArray = ParseFirstArray(encoded.SubSubstring(i));
token = jArray.Token;
substringLength = jArray.SubstringLength;
break;
}
else if (c == 't')
{
if (encoded[i + 1] == 'r' &&
encoded[i + 2] == 'u' &&
encoded[i + 3] == 'e')
{
token = new JBoolean(true);
substringLength = 4;
break;
}
}
else if (c == 'f')
{
if (encoded[i + 1] == 'a' &&
encoded[i + 2] == 'l' &&
encoded[i + 3] == 's' &&
encoded[i + 4] == 'e')
{
token = new JBoolean(false);
substringLength = 5;
break;
}
}
else if (c == 'n')
{
if (encoded[i + 1] == 'u' &&
encoded[i + 2] == 'l' &&
encoded[i + 3] == 'l')
{
token = new JNull();
substringLength = 4;
break;
}
}
else
{
throw new System.ArgumentException("Invalid JSON");
}
i++;
}
return(new ParseResult <JToken> {
Token = token,
SubstringLength = substringLength
});
}
