private List<ICompiledTextSearchContainer> CreateSearchAlgorithms(
ParsedSearchString parsedSearchString, SearchProviderOptions options) {
return parsedSearchString.EntriesBeforeMainEntry
.Concat(new[] { parsedSearchString.MainEntry })
.Concat(parsedSearchString.EntriesAfterMainEntry)
.OrderBy(x => x.Index)
.Select(entry => _compiledTextSearchProviderFactory.CreateProvider(entry.Text, options))
.ToList();
}
private List <ICompiledTextSearchContainer> CreateSearchAlgorithms(
ParsedSearchString parsedSearchString, SearchProviderOptions options)
{
return(parsedSearchString.EntriesBeforeMainEntry
.Concat(new[] { parsedSearchString.MainEntry })
.Concat(parsedSearchString.EntriesAfterMainEntry)
.OrderBy(x => x.Index)
.Select(entry => _compiledTextSearchProviderFactory.CreateProvider(entry.Text, options))
.ToList());
}
public PerThreadCompiledTextSearchContainer(string pattern, SearchProviderOptions searchOptions) {
_pattern = pattern;
_searchOptions = searchOptions;
_asciiAlgorithmFactory = x => AsciiFileContents.CreateSearchAlgo(_pattern, _searchOptions);
_utf16CompiledTextSearchAlgo = Utf16FileContents.CreateSearchAlgo(_pattern, _searchOptions);
// Force execution on the current thread so that we get an exception if
// the search engine finds "pattern" is invalid.
this.GetAsciiSearch();
}
public ICompiledTextSearchContainer CreateProvider(
string pattern,
SearchProviderOptions searchOptions) {
// RE2 engine requires a per-thread provider, as the current C++
// implementation suffers from serious lock contention if a RE2 regex
// instance is shared accross threads.
if (searchOptions.UseRegex && searchOptions.UseRe2Engine)
return new PerThreadCompiledTextSearchContainer(pattern, searchOptions);
return new CompiledTextSearchContainer(pattern, searchOptions);
}
public PerThreadCompiledTextSearchContainer(string pattern, SearchProviderOptions searchOptions)
{
_pattern = pattern;
_searchOptions = searchOptions;
_asciiAlgorithmFactory = x => AsciiFileContents.CreateSearchAlgo(_pattern, _searchOptions);
_utf16CompiledTextSearchAlgo = Utf16FileContents.CreateSearchAlgo(_pattern, _searchOptions);
// Force execution on the current thread so that we get an exception if
// the search engine finds "pattern" is invalid.
this.GetAsciiSearch();
}
public static CompiledTextSearchBase CreateSearchAlgo(
string pattern,
SearchProviderOptions searchOptions) {
var options = NativeMethods.SearchOptions.kNone;
if (searchOptions.MatchCase) {
options |= NativeMethods.SearchOptions.kMatchCase;
}
if (searchOptions.MatchWholeWord) {
options |= NativeMethods.SearchOptions.kMatchWholeWord;
}
return new Utf16CompiledTextSearchStdSearch(pattern, options);
}
public ICompiledTextSearchContainer CreateProvider(
string pattern,
SearchProviderOptions searchOptions)
{
// RE2 engine requires a per-thread provider, as the current C++
// implementation suffers from serious lock contention if a RE2 regex
// instance is shared accross threads.
if (searchOptions.UseRegex && searchOptions.UseRe2Engine)
{
return(new PerThreadCompiledTextSearchContainer(pattern, searchOptions));
}
return(new CompiledTextSearchContainer(pattern, searchOptions));
}
public static ICompiledTextSearch CreateSearchAlgo(string pattern, SearchProviderOptions searchOptions) {
var options = NativeMethods.SearchOptions.kNone;
if (searchOptions.MatchCase) {
options |= NativeMethods.SearchOptions.kMatchCase;
}
if (searchOptions.MatchWholeWord) {
options |= NativeMethods.SearchOptions.kMatchWholeWord;
}
if (searchOptions.UseRegex && searchOptions.UseRe2Engine)
return new AsciiCompiledTextSearchRe2(pattern, options);
if (searchOptions.UseRegex)
return new AsciiCompiledTextSearchRegex(pattern, options);
if (pattern.Length <= 64)
return new AsciiCompiledTextSearchBndm64(pattern, options);
return new AsciiCompiledTextSearchBoyerMoore(pattern, options);
}
public CompiledTextSearchContainer(string pattern, SearchProviderOptions searchOptions)
{
_asciiCompiledTextSearchAlgo = AsciiFileContents.CreateSearchAlgo(pattern, searchOptions);
_utf16CompiledTextSearchAlgo = Utf16FileContents.CreateSearchAlgo(pattern, searchOptions);
}
public CompiledTextSearchContainer(string pattern, SearchProviderOptions searchOptions) {
_asciiCompiledTextSearchAlgo = AsciiFileContents.CreateSearchAlgo(pattern, searchOptions);
_utf16CompiledTextSearchAlgo = Utf16FileContents.CreateSearchAlgo(pattern, searchOptions);
}
