public override TemplateSegmentMatchResult GetMatchResult(DynamicTemplateValues currentValues, string matchText, int start, int length, ImmutableArray <Group> innerGroups)
{
return(new TemplateSegmentMatchResult(
isInexact: Text.Length != length || string.Compare(Text, 0, matchText, start, length, StringComparison.OrdinalIgnoreCase) != 0,
errorMessages: ImmutableArray <string> .Empty,
updateMessages: ImmutableArray <string> .Empty));
}
public override TemplateSegmentMatchResult GetMatchResult(DynamicTemplateValues currentValues, string matchText, int start, int length, ImmutableArray <Group> innerGroups)
{
var matchStartYear = int.Parse(innerGroups[0].Value);
var matchCurrentYear = innerGroups.Length == 2 ? int.Parse(innerGroups[1].Value) : matchStartYear;
var errorMessages = ImmutableArray.CreateBuilder <string>();
if (matchCurrentYear < matchStartYear)
{
errorMessages.Add($"The end year ({matchCurrentYear}) must be greater than or equal to the start year ({matchStartYear}).");
}
if (currentValues.CurrentYear < matchCurrentYear)
{
errorMessages.Add($"The year {matchCurrentYear} is invalid. The current year is {currentValues.CurrentYear}.");
}
var exactText = new StringBuilder();
BuildText(exactText, matchStartYear, matchCurrentYear);
return(new MatchResult(
isInexact: exactText.Length != length || string.Compare(exactText.ToString(), 0, matchText, start, length, StringComparison.OrdinalIgnoreCase) != 0,
errorMessages: errorMessages.ToImmutable(),
updateMessages: matchCurrentYear < currentValues.CurrentYear ? ImmutableArray.Create($"The current year is {currentValues.CurrentYear}.") : ImmutableArray <string> .Empty,
startYear: matchStartYear));
}
public void Evaluate(DynamicTemplateValues currentValues, StringBuilder textBuilder)
{
foreach (var segment in Segments)
{
segment.AppendToTextEvaluation(currentValues, textBuilder);
}
}
public bool TryMatch(string text, DynamicTemplateValues currentValues, out MatchResult result)
{
if (!TryMatch(text, currentValues, out var start, out var length, out var segmentResults))
{
result = default;
return(false);
}
var isInexact = false;
var errorMessages = ImmutableArray.CreateBuilder <string>();
var updateMessages = ImmutableArray.CreateBuilder <string>();
foreach (var segmentResult in segmentResults)
{
isInexact |= segmentResult.IsInexact;
errorMessages.AddRange(segmentResult.ErrorMessages);
updateMessages.AddRange(segmentResult.UpdateMessages);
}
result = new MatchResult(
start,
length,
isInexact,
errorMessages.ToImmutable(),
updateMessages.ToImmutable());
return(true);
}
public override TemplateSegmentMatchResult GetMatchResult(DynamicTemplateValues currentValues, string matchText, int start, int length, ImmutableArray <Group> innerGroups)
{
var year = int.Parse(matchText.Substring(start, length));
return(new TemplateSegmentMatchResult(
isInexact: false,
errorMessages: currentValues.CurrentYear < year ? ImmutableArray.Create($"The year {year} is invalid. The current year is {currentValues.CurrentYear}.") : ImmutableArray <string> .Empty,
updateMessages: year < currentValues.CurrentYear ? ImmutableArray.Create($"The current year is {currentValues.CurrentYear}.") : ImmutableArray <string> .Empty));
}
public override void AppendToTextEvaluation(DynamicTemplateValues currentValues, StringBuilder textBuilder, TemplateSegmentMatchResult previousMatchResult = null)
{
if (currentValues.CurrentYear < 1000 || currentValues.CurrentYear > 9999)
{
throw new ArgumentOutOfRangeException(nameof(currentValues), currentValues.CurrentYear, "Current year must be between 1000 and 9999, inclusive.");
}
textBuilder.Append(currentValues.CurrentYear);
}
public override TemplateSegmentMatchResult GetMatchResult(DynamicTemplateValues currentValues, string matchText, int start, int length, ImmutableArray <Group> innerGroups)
{
var trimmedMatch = matchText.Substring(start, length).Trim();
return(new MatchResult(
isInexact: trimmedMatch.Length != length,
errorMessages: trimmedMatch == string.Empty || trimmedMatch == Placeholder ? ImmutableArray.Create("Name must not be blank.") : ImmutableArray <string> .Empty,
updateMessages: ImmutableArray <string> .Empty,
trimmedName: trimmedMatch));
}
public void Evaluate(DynamicTemplateValues currentValues, StringBuilder textBuilder, string previousText, out int previousMatchStart, out int previousMatchLength)
{
if (previousText != null && TryMatch(previousText, currentValues, out previousMatchStart, out previousMatchLength, out var segmentResults))
{
for (var i = 0; i < Segments.Length; i++)
{
Segments[i].AppendToTextEvaluation(currentValues, textBuilder, segmentResults[i]);
}
}
else
{
previousMatchStart = -1;
previousMatchLength = -1;
Evaluate(currentValues, textBuilder);
}
}
private bool TryMatch(string text, DynamicTemplateValues currentValues, out int start, out int length, out ImmutableArray <TemplateSegmentMatchResult> segmentResults)
{
var match = regex.Value.Match(text);
if (!match.Success)
{
start = default;
length = default;
segmentResults = default;
return(false);
}
var segmentResultsBuilder = ImmutableArray.CreateBuilder <TemplateSegmentMatchResult>(Segments.Length);
for (var i = 0; i < Segments.Length; i++)
{
var segmentGroup = match.Groups["HeaderTemplate_segment" + i];
var innerGroups = ImmutableArray.CreateBuilder <Group>();
foreach (Group group in match.Groups)
{
if (group.Success &&
group != segmentGroup &&
group.Index >= segmentGroup.Index &&
group.Index + group.Length <= segmentGroup.Index + segmentGroup.Length)
{
innerGroups.Add(group);
}
}
segmentResultsBuilder.Add(Segments[i].GetMatchResult(
currentValues,
text,
segmentGroup.Index,
segmentGroup.Length,
innerGroups.ToImmutable()));
}
start = match.Index;
length = match.Length;
segmentResults = segmentResultsBuilder.ToImmutable();
return(true);
}
public abstract void AppendToTextEvaluation(DynamicTemplateValues currentValues, StringBuilder textBuilder, TemplateSegmentMatchResult previousMatchResult = null);
public abstract TemplateSegmentMatchResult GetMatchResult(DynamicTemplateValues currentValues, string matchText, int start, int length, ImmutableArray <Group> innerGroups);
public override void AppendToTextEvaluation(DynamicTemplateValues currentValues, StringBuilder textBuilder, TemplateSegmentMatchResult previousMatchResult = null)
{
textBuilder.Append((previousMatchResult as MatchResult)?.TrimmedName ?? DefaultName);
}
public override void AppendToTextEvaluation(DynamicTemplateValues currentValues, StringBuilder textBuilder, TemplateSegmentMatchResult previousMatchResult = null)
{
textBuilder.Append(Text);
}
public override void AppendToTextEvaluation(DynamicTemplateValues currentValues, StringBuilder textBuilder, TemplateSegmentMatchResult previousMatchResult = null)
{
BuildText(textBuilder, previousMatchResult is MatchResult r ? r.StartYear : currentValues.CurrentYear, currentValues.CurrentYear);
}
