public static bool IsTerminal(this CsvToken token)
{
if (null == token)
{
throw new ArgumentNullException(nameof(token));
}
return(CsvTokenType.Terminal == token.TokenType);
}
/// <summary>
///
/// </summary>
/// <param name="token"></param>
/// <param name="text"></param>
/// <returns></returns>
public static bool IsString(this CsvToken token, out string text)
{
if (null == token)
{
throw new ArgumentNullException(nameof(token));
}
var match = CsvTokenType.String == token.TokenType;
text = match ? ((CsvStringToken)token).Text : null;
return(match);
}
private static bool CheckTerminal(this CsvToken token, char term)
{
if (null == token)
{
throw new ArgumentNullException(nameof(token));
}
if (CsvTokenType.Terminal != token.TokenType)
{
return(false);
}
return(term == ((CsvTerminalToken)token).Term);
}
/// <summary>
///
/// </summary>
/// <param name="token"></param>
/// <returns></returns>
public static bool IsNewLine(this CsvToken token)
{
if (null == token)
{
throw new ArgumentNullException(nameof(token));
}
if (CsvTokenType.Terminal != token.TokenType)
{
return(false);
}
var term = ((CsvTerminalToken)token).Term;
return(CsvTerminals.NewLine == term ||
CsvTerminals.LineFeed == term);
}
/// <summary>
///
/// </summary>
/// <param name="token"></param>
/// <returns></returns>
public static bool IsComma(this CsvToken token)
{
return(CheckTerminal(token, CsvTerminals.Comma));
}
/// <summary>
///
/// </summary>
/// <param name="token"></param>
/// <returns></returns>
public static bool IsDoubleQuote(this CsvToken token)
{
return(CheckTerminal(token, CsvTerminals.DoubleQuote));
}
public static bool IsTerminal(this CsvToken token, char term)
{
return(CheckTerminal(token, term));
}
