public static Func <string, bool> BuildPredicate(this SearchMetadata source)
{
const RegexOptions caseInsensitiveOptions = RegexOptions.IgnorePatternWhitespace
| RegexOptions.Compiled
| RegexOptions.IgnoreCase;
const RegexOptions caseSensitiveOptions = RegexOptions.IgnorePatternWhitespace
| RegexOptions.Compiled;
Func <string, bool> predicate;
if (!source.UseRegex)
{
var stringComparison = source.IgnoreCase ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal;
predicate = s => !string.IsNullOrEmpty(s) && s.Contains(source.SearchText, stringComparison);
}
else
{
var options = source.IgnoreCase ? caseInsensitiveOptions : caseSensitiveOptions;
var regex = new Regex(source.SearchText, options);
predicate = s =>
{
if (s == null)
{
throw new ArgumentNullException(nameof(s));
}
return(regex.IsMatch(s));
};
}
return(predicate);
}
public void Add([NotNull] SearchMetadata metadata)
{
if (metadata == null)
{
throw new ArgumentNullException(nameof(metadata));
}
_searches.AddOrUpdate(metadata);
}
public void AddorUpdate([NotNull] SearchMetadata metadata)
{
if (metadata == null)
{
throw new ArgumentNullException(nameof(metadata));
}
_searches.AddOrUpdate(metadata);
_logger.Info("Search metadata has changed: {0}", metadata);
}
public SearchOptionsProxy(SearchMetadata searchMetadata, IEnumerable<Swatch> swatches, Action<SearchMetadata> removeAction)
{
Swatches = swatches;
if (searchMetadata == null) throw new ArgumentNullException(nameof(searchMetadata));
if (swatches == null) throw new ArgumentNullException(nameof(swatches));
if (removeAction == null) throw new ArgumentNullException(nameof(removeAction));
_searchMetadata = searchMetadata;
Highlight = _searchMetadata.Highlight;
Filter = _searchMetadata.Filter;
RemoveCommand = new Command(() => removeAction(searchMetadata));
}
public SearchState Map(SearchMetadata search)
{
return new SearchState
(
search.SearchText,
search.Position,
search.UseRegex,
search.Highlight,
search.Filter,
false,
search.IgnoreCase,
search.HighlightHue.Swatch,
search.IconKind,
search.HighlightHue.Name,
search.IsExclusion);
}
public static Optional <Regex> BuildRegEx(this SearchMetadata source)
{
const RegexOptions caseInsensitiveOptions = RegexOptions.IgnorePatternWhitespace
| RegexOptions.Compiled
| RegexOptions.IgnoreCase;
const RegexOptions caseSensitiveOptions = RegexOptions.IgnorePatternWhitespace
| RegexOptions.Compiled;
if (source.UseRegex)
{
var options = source.IgnoreCase ? caseInsensitiveOptions : caseSensitiveOptions;
return(new Regex(source.SearchText, options));
}
return(Optional <Regex> .None);
}
public SearchOptionsProxy(SearchMetadata searchMetadata, IEnumerable<Swatch> swatches, Action<SearchMetadata> removeAction)
{
Swatches = swatches;
if (searchMetadata == null) throw new ArgumentNullException(nameof(searchMetadata));
if (swatches == null) throw new ArgumentNullException(nameof(swatches));
if (removeAction == null) throw new ArgumentNullException(nameof(removeAction));
_searchMetadata = searchMetadata;
Highlight = _searchMetadata.Highlight;
Filter = _searchMetadata.Filter;
UseRegex = searchMetadata.UseRegex;
IgnoreCase = searchMetadata.IgnoreCase;
Status = searchMetadata.UseRegex ? SearchResultIndicatorStatus.Regex : SearchResultIndicatorStatus.Text;
RemoveCommand = new Command(() => removeAction(searchMetadata));
}
public static IEnumerable<MatchedString> MatchString(this string source, SearchMetadata itemsToMatch)
{
return new SearchMetadataEnumerator(source, new []{ itemsToMatch });
}
public SearchOptionsViewModel(ICombinedSearchMetadataCollection combinedSearchMetadataCollection,
ISearchProxyCollectionFactory searchProxyCollectionFactory,
ISearchMetadataFactory searchMetadataFactory,
ISchedulerProvider schedulerProvider,
SearchHints searchHints)
{
SearchHints = searchHints;
var global = combinedSearchMetadataCollection.Global;
var local = combinedSearchMetadataCollection.Local;
Action<SearchMetadata> changeScopeAction = meta =>
{
if (meta.IsGlobal)
{
//make global
global.Remove(meta.SearchText);
var newValue = new SearchMetadata(meta, local.NextIndex(),false);
local.AddorUpdate(newValue);
}
else
{
//make local
local.Remove(meta.SearchText);
var newValue = new SearchMetadata(meta, global.NextIndex(), true);
global.AddorUpdate(newValue);
}
};
Local = searchProxyCollectionFactory.Create(local, Id, changeScopeAction);
Global = searchProxyCollectionFactory.Create(global, Id, changeScopeAction);
//command to add the current search to the tail collection
var searchInvoker = SearchHints.SearchRequested
.ObserveOn(schedulerProvider.Background)
.Subscribe(request =>
{
var isGlobal = SelectedIndex == 1;
var nextIndex = isGlobal ? global.NextIndex() : local.NextIndex();
var meta = searchMetadataFactory.Create(request.Text,
request.UseRegEx,
nextIndex,
false,
isGlobal);
if (isGlobal)
{
global.AddorUpdate(meta);
}
else
{
local.AddorUpdate(meta);
}
});
_cleanUp = new CompositeDisposable(searchInvoker,
searchInvoker,
SearchHints,
Global,
Local);
}
public LineMatch(SearchMetadata searchMetadata)
{
_searchMetadata = searchMetadata;
}
