} // End of ImplParseArray (...)
protected virtual IValueUnit ImplParseUnit(
out JsonScanner.TokenBase endToken,
TextReader textReader)
{
endToken = JsonScanner.EofToken.Singleton;
if (textReader == null)
{
return(null);
}
JsonScanner.NumericToken numericToken = null;
String key = null;
JsonScanner.TokenBase token = null;
ValueUnit retVal = new ValueUnit();
JsonScanner.StringToken strToken = null;
Object value = null;
IValueProvider <Object> valueProvider = null;
do
{
token = JsonScanner.Singleton.ScanToken(textReader);
if ((strToken = token as JsonScanner.StringToken) == null)
{
return(null); // Unespected token
}
else
{
key = strToken.Value;
}
token = JsonScanner.Singleton.ScanToken(textReader);
if (token != JsonScanner.ColonToken.Singleton)
{
return(null); // Unespected token
}
token = JsonScanner.Singleton.ScanToken(textReader);
if ((strToken = token as JsonScanner.StringToken) != null)
{
value = strToken.Value;
}
else if (token == JsonScanner.SquaredOpenToken.Singleton)
{
value = ImplParseArray(out token, textReader);
if (token == JsonScanner.SquaredCloseToken.Singleton)
{
value = new ValueSequence((IEnumerable)value);
}
else
{
return(null);
}
}
else if (token == JsonScanner.CurlyOpenToken.Singleton)
{
value = ImplParseUnit(out token, textReader);
if (token != JsonScanner.CurlyCloseToken.Singleton)
{
return(null);
}
}
else if ((numericToken = token as JsonScanner.NumericToken) != null)
{
value = new NumericStringValue(numericToken.Value);
}
else if ((valueProvider = token as IValueProvider <Object>) != null)
{
value = valueProvider.Value;
}
else
{
return(null); // Unespected token
}
retVal.Add(new ValueItem(key, value));
token = JsonScanner.Singleton.ScanToken(textReader);
}while (token == JsonScanner.CommaToken.Singleton);
endToken = token;
return(retVal);
} // End of ImplParseUnit (...)
