public void Search(
string searchExpression,
Action <ObservableCollection <ISearchablePromptItem> > searchResultCallback,
Action <string> errorCallback)
{
var search = _searchStringParser.Parse(searchExpression);
search.Execute(searchResultCallback, errorCallback);
}
public CompiledTextSearchData Create(SearchParams searchParams, Func <FileName, bool> fileNamePathMatcher)
{
ParsedSearchString parsedSearchString;
if (searchParams.Regex)
{
parsedSearchString = new ParsedSearchString(
new ParsedSearchString.Entry {
Text = searchParams.SearchString
},
Enumerable.Empty <ParsedSearchString.Entry>(),
Enumerable.Empty <ParsedSearchString.Entry>());
}
else
{
var str = searchParams.SearchString ?? "";
if (str.Length < MinimumSearchPatternLength)
{
throw new RecoverableErrorException(
string.Format(
"Search pattern must contain at least {0} characters",
MinimumSearchPatternLength));
}
parsedSearchString = _searchStringParser.Parse(searchParams.SearchString ?? "");
}
var searchContentsAlgorithms = CreateSearchAlgorithms(
parsedSearchString,
new SearchProviderOptions {
MatchCase = searchParams.MatchCase,
MatchWholeWord = searchParams.MatchWholeWord,
UseRegex = searchParams.Regex,
UseRe2Engine = searchParams.UseRe2Engine
});
return(new CompiledTextSearchData(
parsedSearchString,
searchContentsAlgorithms,
fileNamePathMatcher));
}
public SearchFileContentsResult SearchFileContents(SearchParams searchParams)
{
var parsedSearchString = _searchStringParser.Parse(searchParams.SearchString ?? "");
// Don't search empty or very small strings -- no significant results.
if (string.IsNullOrWhiteSpace(parsedSearchString.MainEntry.Text) ||
(parsedSearchString.MainEntry.Text.Length < MinimumSearchPatternLength))
{
return(SearchFileContentsResult.Empty);
}
using (var searchContentsData = new SearchContentsData(parsedSearchString, CreateSearchAlgorithms(parsedSearchString, searchParams.MatchCase))) {
// taskCancellation is used to make sure we cancel previous tasks as
// fast as possible to avoid using too many CPU resources if the caller
// keeps asking us to search for things. Note that this assumes the
// caller is only interested in the result of the *last* query, while
// the previous queries will throw an OperationCanceled exception.
_taskCancellation.CancelAll();
var cancellationToken = _taskCancellation.GetNewToken();
return(DoSearchFileContents(searchContentsData, searchParams.MaxResults, cancellationToken));
}
}
public ObservableCollection <ISearchablePromptItem> Search(string searchExpression)
{
var searchTask = _searchStringParser.Parse(searchExpression);
return(searchTask.Execute(_searchablePromptItemCollection));
}