private void ExtractLiteral(ReadCharBag charBag = null)
{
ReadCharBag currentBag = charBag ?? _readCharBag;
History <char> previousCharCircularArray = new History <char>(3);
while (true)
{
_currentChar = (char)_sourceStream.ReadByte();
if (_currentChar == '"')
{
if (previousCharCircularArray.Current == '\\')
{
if (previousCharCircularArray.Preceding(1) == '\\')
{
break;
}
}
else
{
break;
}
}
else if (_currentChar == '\uffff')
{
throw new EndOfFileExtractLiteralException();
}
currentBag.Add(_currentChar);
previousCharCircularArray.Add(_currentChar);
}
}
public static ReadCharBag FromCharBag([NotNull] ReadCharBag initialBag)
{
if (initialBag == null)
{
throw new ArgumentNullException(nameof(initialBag));
}
var result = new ReadCharBag {
_readChars = new char[initialBag._readChars.Length]
};
initialBag._readChars.CopyTo(result._readChars, 0);
return(result);
}
private void ExtractDigit(ReadCharBag charBag = null)
{
ReadCharBag currentBag = charBag ?? _readCharBag;
while (true)
{
_currentChar = (char)_sourceStream.ReadByte();
if (!char.IsDigit(_currentChar))
{
break;
}
currentBag.Add(_currentChar);
}
}
private void ExtractWhisteSpace(ReadCharBag charBag = null)
{
ReadCharBag currentBag = charBag ?? _readCharBag;
while (true)
{
_currentChar = (char)_sourceStream.ReadByte();
if (!char.IsWhiteSpace(_currentChar))
{
if (_currentChar != '\uffff')
{
_sourceStream.Position--;
}
break;
}
currentBag.Add(_currentChar);
}
}
private void ExtractKeyword(ReadCharBag charBag = null)
{
ReadCharBag currentBag = charBag ?? _readCharBag;
while (true)
{
_currentChar = (char)_sourceStream.ReadByte();
if (_currentChar == ':' || _currentChar == ',' || char.IsWhiteSpace(_currentChar))
{
break;
}
if (_currentChar == '\uffff')
{
throw new EndOfFileExtractLiteralException();
}
currentBag.Add(_currentChar);
}
}
private JsonLexer()
{
_readCharBag = new ReadCharBag();
Diagnostics = new DiagnosticBag();
}