/// <summary>
/// Creates a new ContainerPatternMatcher.
/// </summary>
/// <param name="patternParts">The pattern itself needs to be split up, to match against candidates. Suppose the user searches for Apple.Banana.Charlie using A.B.C,
/// the compiler recognizes that these are namespaces, splits the pattern up and passes in { "A", "B", "C" }.</param>
/// <param name="containerSplitCharacters">What characters should candidates be split on. In the above example, it would be { '.' }</param>
/// <param name="culture">Important for some string operations.</param>
/// <param name="allowFuzzyMatching">Do we tolerate mis-spellings?</param>
/// <param name="allowSimpleSubstringMatching">Does a match not at a camel-case boundary count? (e.g. Does AppleBanana match 'ppl' as a search string?</param>
/// <param name="includeMatchedSpans">Do we want to get spans back (performance impacting).</param>
public ContainerPatternMatcher(
string[] patternParts, IReadOnlyCollection <char> containerSplitCharacters,
CultureInfo culture,
bool allowFuzzyMatching = false,
bool allowSimpleSubstringMatching = false,
bool includeMatchedSpans = false,
PatternMatcher linkedMatcher = null)
: base(includeMatchedSpans, culture, allowFuzzyMatching, allowSimpleSubstringMatching, linkedMatcher)
{
_containerSplitCharacters = containerSplitCharacters.ToArray();
_patternSegments = patternParts
.Select(text => new PatternSegment(text.Trim(), allowFuzzyMatching: allowFuzzyMatching))
.ToArray();
HasInvalidPattern = _patternSegments.Length == 0 || _patternSegments.Any(s => s.IsInvalid);
}
internal static PatternMatcher CreateContainerPatternMatcher(
string[] patternParts,
IReadOnlyCollection <char> containerSplitCharacters,
CultureInfo culture = null,
bool allowFuzzyMatching = false,
bool allowSimpleSubstringMatching = false,
bool includeMatchedSpans = false,
PatternMatcher linkedMatcher = null)
{
return(new ContainerPatternMatcher(
patternParts,
containerSplitCharacters,
culture,
allowFuzzyMatching,
allowSimpleSubstringMatching,
includeMatchedSpans,
linkedMatcher));
}
#pragma warning disable CA1822
public IPatternMatcher CreatePatternMatcher(string pattern, PatternMatcherCreationOptions creationOptions, IPatternMatcher linkedMatcher)
{
if (string.IsNullOrWhiteSpace(pattern))
{
throw new ArgumentException("A non-empty pattern is required to create a pattern matcher", nameof(pattern));
}
if (creationOptions == null)
{
throw new ArgumentNullException(nameof(creationOptions));
}
var matcher = linkedMatcher as PatternMatcher;
if (creationOptions.ContainerSplitCharacters == null)
{
return(PatternMatcher.CreateSimplePatternMatcher(
pattern,
creationOptions.CultureInfo,
creationOptions.Flags.HasFlag(IncludeMatchedSpans),
creationOptions.Flags.HasFlag(AllowFuzzyMatching),
creationOptions.Flags.HasFlag(AllowSimpleSubstringMatching),
matcher));
}
else
{
return(PatternMatcher.CreateContainerPatternMatcher(
pattern.Split(creationOptions.ContainerSplitCharacters.ToArray()),
creationOptions.ContainerSplitCharacters,
creationOptions.CultureInfo,
creationOptions.Flags.HasFlag(AllowFuzzyMatching),
creationOptions.Flags.HasFlag(AllowSimpleSubstringMatching),
creationOptions.Flags.HasFlag(IncludeMatchedSpans),
matcher));
}
}
private static PatternMatchKind GetKind(CamelCaseResult result) => PatternMatcher.GetCamelCaseKind(result);