/// <summary>
/// Initializes a new instance of the <see cref="PatternDefinition"/> class.
/// </summary>
/// <param name="dateTokenParser">The <see cref="DateToken.Parser"/> for the date token part of the
/// pattern.</param>
/// <param name="timeTokenParser">The <see cref="TimeToken.Parser"/> for the time token part of the
/// pattern.</param>
/// <param name="pattern">The regular expression that matches a <see cref="DateTimeToken"/>.</param>
public PatternDefinition(DateToken.Parser dateTokenParser, TimeToken.Parser timeTokenParser, string pattern)
{
this.DateTokenParser = dateTokenParser;
this.TimeTokenParser = timeTokenParser;
this.Pattern = pattern;
}
/// <summary>
/// Returns a value indicating whether this parser can be used in conjunction with a specified <see
/// cref="TimeToken.Parser"/>.
/// </summary>
/// <param name="timeTokenParser">A <see cref="TimeToken.Parser"/>.</param>
/// <returns>A value indicating whether this parser can be used in conjunction with the specified <see
/// cref="TimeToken.Parser"/>.</returns>
public virtual bool IsCompatibleWith(TimeToken.Parser timeTokenParser)
{
return(true);
}
/// <summary>
/// Returns a list of <see cref="PatternDefinition"/> objects representing the patterns supported by the
/// combination of the specified <see cref="DateToken.Parser"/> and <see cref="TimeToken.Parser"/>.
/// </summary>
/// <param name="dateTokenParser">A <see cref="DateToken.Parser"/>.</param>
/// <param name="timeTokenParser">A <see cref="TimeToken.Parser"/>.</param>
/// <param name="provider">The <see cref="IFormatProvider"/> that will be used when parsing.</param>
/// <returns>A list of <see cref="PatternDefinition"/> objects.</returns>
private static List <PatternDefinition> GetDateTimePatternDefinitions(DateToken.Parser dateTokenParser, TimeToken.Parser timeTokenParser, IFormatProvider provider)
{
if (!dateTokenParser.IsCompatibleWith(timeTokenParser) || !timeTokenParser.IsCompatibleWith(dateTokenParser))
{
return(new List <PatternDefinition>());
}
List <PatternDefinition> list = new List <PatternDefinition>();
foreach (string datePartPattern in dateTokenParser.GetPatterns(provider))
{
foreach (string timePartPattern in timeTokenParser.GetPatterns(provider))
{
string dateTimePattern = GetDateTimePattern(datePartPattern, timePartPattern, provider);
list.Add(new PatternDefinition(dateTokenParser, timeTokenParser, dateTimePattern));
string timeDatePattern = GetTimeDatePattern(timePartPattern, datePartPattern, provider);
list.Add(new PatternDefinition(dateTokenParser, timeTokenParser, timeDatePattern));
}
}
return(list);
}
/// <summary>
/// Returns a value indicating whether this parser can be used in conjunction with a specified <see
/// cref="TimeToken.Parser"/>.
/// </summary>
/// <param name="timeTokenParser">A <see cref="TimeToken.Parser"/>.</param>
/// <returns>A value indicating whether this parser can be used in conjunction with the specified <see
/// cref="TimeToken.Parser"/>.</returns>
public override bool IsCompatibleWith(TimeToken.Parser timeTokenParser)
{
return(!(timeTokenParser is EmptyTimeToken.Parser));
}