/// <summary>
/// Init constructor.
/// </summary>
public JSonReaderTokenInfo(string text, JSonReaderTokenType type, int line, int offset)
{
Text = text;
Type = type;
Line = line;
Offset = offset;
}
/// <summary>
/// Init constructor.
/// </summary>
public JSonReaderTokenInfo(string text, JSonReaderTokenType type, int line, int offset)
{
Text = text;
Type = type;
Line = line;
Offset = offset;
}
/// <summary>
/// Init constructor.
/// </summary>
public TokenDataString(string token, JSonReaderTokenType type, object value, IJSonObject jValue)
: base(type)
{
if (string.IsNullOrEmpty(token))
throw new ArgumentNullException("token");
Token = token;
Value = value;
ValueAsJSonObject = jValue;
}
/// <summary>
/// Init constructor.
/// </summary>
public TokenDataString(string token, JSonReaderTokenType type, object value, IJSonObject jValue)
: base(type)
{
if (string.IsNullOrEmpty(token))
{
throw new ArgumentNullException("token");
}
Token = token;
Value = value;
ValueAsJSonObject = jValue;
}
/// <summary>
/// Init constructor.
/// </summary>
public TokenDataChar(char token, JSonReaderTokenType type)
: base(type)
{
Token = token;
}
/// <summary>
/// Reads next token from the input source with a possibility to treat already known character as the one read.
/// Option required mostly for JSON elements that don't have a closing tokens (i.e.: ']' for arrays) and used for number and keywords.
/// </summary>
private JSonReaderTokenInfo ReadNextToken(bool fromCurrentChar)
{
// token was already read in advanced and put on the stack:
if (_getTokenFromStack)
{
_getTokenFromStack = false;
// reached end of input stream:
if (_input.IsEof)
{
return(new JSonReaderTokenInfo(string.Empty, JSonReaderTokenType.EndOfText, _input.Line, _input.LineOffset));
}
if (_tokens.Count == 0)
{
throw new JSonReaderException("Lack of tokens", (JSonReaderTokenInfo)null);
}
return(_tokens.Peek());
}
if (fromCurrentChar)
{
// clear the whitespace characters:
StringHelper.ReadWhiteChars(_input);
}
// reached end of input stream:
if (_input.IsEof)
{
return(new JSonReaderTokenInfo(string.Empty, JSonReaderTokenType.EndOfText, _input.Line, _input.LineOffset));
}
char tokenChar = _input.CurrentChar;
string tokenString = tokenChar.ToString();
JSonReaderTokenType tokenType = JSonReaderTokenType.Unknown;
// check if this is one of the already known tokens...
foreach (var tokenDef in AvailableTokens)
{
if (tokenDef.Token == tokenChar)
{
tokenType = tokenDef.Type;
break;
}
}
// is this the beginning of a keyword?
if (tokenType == JSonReaderTokenType.Unknown && char.IsLetter(tokenChar))
{
tokenType = JSonReaderTokenType.Keyword;
}
// is this the beginning of the number?
if (tokenType == JSonReaderTokenType.Unknown && (char.IsDigit(tokenChar) || tokenChar == '-'))
{
tokenType = JSonReaderTokenType.Number;
}
// if this is still unknown element...
if (tokenType == JSonReaderTokenType.Unknown)
{
throw new JSonReaderException("Invalid token found", tokenString, _input.Line, _input.LineOffset);
}
JSonReaderTokenInfo nextToken = new JSonReaderTokenInfo(tokenString, tokenType, _input.Line, _input.LineOffset);
_tokens.Push(nextToken);
// return it:
return(nextToken);
}
/// <summary>
/// Init constructor.
/// </summary>
public TokenDataChar(char token, JSonReaderTokenType type)
: base(type)
{
Token = token;
}
protected TokenData(JSonReaderTokenType type)
{
Type = type;
}
protected TokenData(JSonReaderTokenType type)
{
Type = type;
}