protected override IEnumerable <ParseResult> ParseImpl(ParseInput input, ParseMode mode, IList <Type> facetTypes)
{
var builder = new DateTimeBuilder();
ParseInputTerm termMin = null;
ParseInputTerm termMax = null;
ParseInputTerm termCurrent = null;
Func <bool> updateTermIndexes =
() =>
{
if (termMin == null)
{
termMin = termCurrent;
}
if (termMax != null && termMax != termCurrent && termMax.Ordinal != termCurrent.Ordinal - 1)
{
return(false);
}
termMax = termCurrent;
return(true);
};
Func <Group, Action <string>, bool> parseGroup =
(grp, parse) =>
{
if (grp.Success)
{
if (!updateTermIndexes())
{
return(false);
}
parse(grp.Value);
}
return(true);
};
var gotAmPm = false;
foreach (var t in input.Terms)
{
termCurrent = t;
foreach (var match in
from r in s_regexes
let m = r.Match(termCurrent.Text)
where m.Success
select m)
{
if (!builder.Hour.HasValue && !parseGroup(match.Groups["hour"], val => builder.Hour = int.Parse(val)))
{
break;
}
if (!builder.Minute.HasValue && !parseGroup(match.Groups["minute"], val => builder.Minute = int.Parse(val)))
{
break;
}
if (!gotAmPm && !parseGroup(match.Groups["ampm"],
val =>
{
gotAmPm = true;
builder.Hour += char.ToLower(val[0]) == 'p' ? 12 : 0;
}))
{
break;
}
//var hourminute = match.Groups["hourminute"];
//if (hourminute.Success)
//{}
if (!parseGroup(match.Groups["relativeday"],
val =>
{
switch (val)
{
case "yesterday":
builder.SetDayFrom(DateTime.Today.AddDays(-1));
break;
case "today":
builder.SetDayFrom(DateTime.Today);
break;
case "tomorrow":
builder.SetDayFrom(DateTime.Today.AddDays(1));
break;
}
}))
{
break;
}
}
}
if (builder.Type != 0)
{
var moniker = new FacetMoniker(GetType(), typeof(DateTimeFacet), builder.ToXml(),
builder.ToString(), extraData: FacetExtraData.BeginWith(typeof(IDateTimeFacet), "Type", builder.Type.ToString()), iconPath: null);
var parseResult = new ParseResult(input, input.GetTermsRange(termMin, termMax), moniker, 1.0);
return(new[] { parseResult });
}
return(null);
}
public static bool IsFactorySourceValid(this ParseInputTerm term, LoaderFacetFactory f)
{
return(term.Mode != TermParseMode.SpecificFactory ||
(term.Mode == TermParseMode.SpecificFactory &&
f.Aliases.Contains(term.FactoryAlias, StringComparer.CurrentCultureIgnoreCase)));
}
