internal IEnumerable <string> GetAvailableFileFilters(IndexViewModel indexDirectory)
{
if (indexDirectory == null)
{
return(Enumerable.Empty <string>());
}
if (!LuceneHelper.IsValidIndexDirectory(indexDirectory.IndexDirectory))
{
return(Enumerable.Empty <string>());
}
var availableExtensions = new List <string>();
using (var reader = IndexReader.Open(FSDirectory.Open(indexDirectory.IndexDirectory), true))
{
var termEnum = reader.Terms();
while (termEnum.Next())
{
var curTerm = termEnum.Term;
if (curTerm.Field != Constants.IndexFields.Extension)
{
continue;
}
if (!availableExtensions.Contains(curTerm.Text))
{
availableExtensions.Add("*" + curTerm.Text);
}
}
}
return(availableExtensions);
}
private static async void RunSearch(SearchViewModel searchView, string searchText)
{
if (string.IsNullOrEmpty(searchText) ||
ApplicationView.CurrentIndexFile == null ||
!LuceneHelper.IsValidIndexDirectory(ApplicationView.CurrentIndexFile.IndexDirectory))
{
return;
}
Guid opId = Guid.Empty;
CancellationToken cancelToken;
if (!ApplicationView.BeginOperation(StatusKind.Searching, out opId, out cancelToken))
{
return;
}
Action lazySearchFinishedAction = () => ApplicationView.EndOperation(opId);
if (searchView.IsSearchingInResults)
{
await Task.Run(() => searchView.RunFileSearch(ApplicationView.CurrentIndexFile, searchText, searchView.FixedResultFiles, cancelToken, lazySearchFinishedAction), cancelToken);
}
else
{
await Task.Run(() => searchView.RunSearch(ApplicationView.CurrentIndexFile, searchText, cancelToken, lazySearchFinishedAction), cancelToken);
}
}
private static async Task <bool> LoadIndexSilent(string indexFile)
{
if (ApplicationView.CurrentIndexFile != null && ApplicationView.CurrentIndexFile.IndexFile == indexFile)
{
return(true);
}
Guid opId = Guid.Empty;
if (!ApplicationView.BeginOperation(StatusKind.Loading, out opId))
{
return(false);
}
try
{
ApplicationView.CurrentIndexFile = IndexViewModel.Load(indexFile);
if (ApplicationView.CurrentIndexFile == null)
{
return(false);
}
bool validIndexDirectoryFound = await Task.Run <bool>(() => LuceneHelper.IsValidIndexDirectory(ApplicationView.CurrentIndexFile.IndexDirectory));
if (!validIndexDirectoryFound)
{
ApplicationView.CurrentIndexFile = null;
return(false);
}
ApplicationView.UpdateSearchFilter();
ApplicationView.FileWatcher.WatchDirectories(ApplicationView.CurrentIndexFile.SourceDirectories);
}
finally
{
ApplicationView.EndOperation(opId);
}
RefreshIndexAtStartup(ApplicationView.CurrentIndexFile);
return(true);
}
/// <summary>
/// TODO refactor
/// </summary>
public IEnumerable <SearchResultViewModel> Search(IndexViewModel indexDirectory,
string searchString,
bool matchCase,
bool matchWholeWord,
bool useWildcards,
out Task <IEnumerable <SearchResultViewModel> > ongoingSearchTask,
CancellationToken cancelToken,
IEnumerable <string> fileFilters = null)
{
ongoingSearchTask = null;
if (!LuceneHelper.IsValidIndexDirectory(indexDirectory.IndexDirectory) || string.IsNullOrWhiteSpace(searchString))
{
return(Enumerable.Empty <SearchResultViewModel>());
}
List <SearchResultViewModel> results = new List <SearchResultViewModel>();
IsSearching = true;
try
{
using (var reader = IndexReader.Open(FSDirectory.Open(indexDirectory.IndexDirectory), true))
using (var searcher = new IndexSearcher(reader))
{
BooleanQuery resultQuery = new BooleanQuery();
if (matchWholeWord)
{
resultQuery.Add(new BooleanClause(BuildMatchWholeWordContentQuery(searchString, matchCase, useWildcards), Occur.MUST));
}
else
{
resultQuery.Add(new BooleanClause(BuildMatchAnywhereQuery(reader, searchString, matchCase, useWildcards), Occur.MUST));
}
//TODO use this instead of manual filter.
//Doesn't work now because recursive booleanQuery doesn't work and can't say to match one of following filters.
//Add fileFilter query
//if (fileFilters != null && fileFilters.Any())
//{
// foreach (var query in BuildFileFilterQueries(fileFilters))
// resultQuery.Add(new BooleanClause(query, Occur.MUST));
//}
//Add blacklist query
var blacklist = Settings.CodeIDXSettings.Blacklist.BlacklistDirectories;
if (ApplicationView.UserSettings.IsBlacklistEnabled)
{
foreach (var curClause in BuildBlacklistQueryClauses(blacklist))
{
resultQuery.Add(curClause);
}
}
Sort sort = new Sort(new SortField[]
{
new SortField(Constants.IndexFields.Directory, SortField.STRING),
new SortField(Constants.IndexFields.Filename, SortField.STRING),
new SortField(Constants.IndexFields.Extension, SortField.STRING)
});
TopFieldDocs resultCollector = searcher.Search(resultQuery, null, Int32.MaxValue, sort);
string adjustedSearchString = matchCase ? searchString : searchString.ToLower();
IEnumerable <string> patternParts = null;
if (useWildcards)
{
patternParts = GetWildcardPatternParts(adjustedSearchString);
}
//kein Parallel.Foreach verwenden!
//durch die grosse Anzahl der Threads die erstellt und verworfen werden ist die Performance sehr schlecht!
int lastMatchIndex = 0;
foreach (var match in resultCollector.ScoreDocs)
{
if (cancelToken.IsCancellationRequested)
{
return(results);
}
var curDoc = reader.Document(match.Doc);
string docDirectory = curDoc.Get(Constants.IndexFields.Directory);
string docFilename = curDoc.Get(Constants.IndexFields.Filename);
string docExtension = curDoc.Get(Constants.IndexFields.Extension);
string documentFilename = Path.Combine(docDirectory, docFilename) + docExtension;
if (fileFilters != null && !fileFilters.Contains(documentFilename))
{
continue;
}
IEnumerable <LineMatch> matchingLines = GetMatchingLines(new GetMatchingLinesArgs(documentFilename, adjustedSearchString, patternParts, matchCase, matchWholeWord));
bool isFirst = true;
foreach (var lineMatch in matchingLines)
{
results.Add(new SearchResultViewModel
(
isFirst,
docDirectory,
docFilename,
docExtension,
lineMatch.LineNumber,
lineMatch.Line,
lineMatch.Highlights
));
isFirst = false;
}
if (results.Count >= CodeIDXSettings.Search.PageSize)
{
var docNumbers = resultCollector.ScoreDocs.Select(cur => cur.Doc).ToList();
ongoingSearchTask = Task.Run <IEnumerable <SearchResultViewModel> >(() => GetRemainingLazyDocuments(indexDirectory,
docNumbers,
lastMatchIndex,
adjustedSearchString,
patternParts,
matchCase,
matchWholeWord,
cancelToken,
fileFilters));
return(results);
}
lastMatchIndex++;
}
}
}
catch { }
finally
{
if (ongoingSearchTask == null)
{
IsSearching = false;
}
}
return(results);
}
public static async Task <bool> LoadIndex(string indexFile)
{
if (ApplicationView.CurrentIndexFile != null && ApplicationView.CurrentIndexFile.IndexFile == indexFile)
{
return(true);
}
Guid opId = Guid.Empty;
if (!ApplicationView.BeginOperation(StatusKind.Loading, out opId))
{
return(false);
}
try
{
ApplicationView.CurrentIndexFile = IndexViewModel.Load(indexFile);
if (ApplicationView.CurrentIndexFile == null)
{
if (MessageBox.Show(indexFile + " not found.\n\nThe index file was not found.\nDo you want to remove it from the recent indices?", "Index file not found",
MessageBoxButton.YesNo,
MessageBoxImage.Exclamation) == MessageBoxResult.Yes)
{
ApplicationView.UserSettings.RemoveRecentIndex(indexFile);
}
return(false);
}
bool validIndexDirectoryFound = await Task.Run <bool>(() => LuceneHelper.IsValidIndexDirectory(ApplicationView.CurrentIndexFile.IndexDirectory));
if (!validIndexDirectoryFound &&
MessageBox.Show(ApplicationView.CurrentIndexFile.IndexDirectory + " not found.\n\nThe index was moved or deleted.\nDo you want to select a new index directory?", "Index not found",
MessageBoxButton.YesNo,
MessageBoxImage.Exclamation) == MessageBoxResult.Yes)
{
var openFolderDialog = new Ookii.Dialogs.Wpf.VistaFolderBrowserDialog
{
SelectedPath = Path.GetDirectoryName(ApplicationView.CurrentIndexFile.IndexDirectory),
Description = "New Index Location",
UseDescriptionForTitle = true
};
if (openFolderDialog.ShowDialog() == true)
{
ApplicationView.CurrentIndexFile.IndexDirectory = openFolderDialog.SelectedPath;
ApplicationView.CurrentIndexFile.SaveIndexFile();
validIndexDirectoryFound = await Task.Run <bool>(() => LuceneHelper.IsValidIndexDirectory(openFolderDialog.SelectedPath));
}
}
if (!validIndexDirectoryFound)
{
ApplicationView.CurrentIndexFile = null;
ApplicationView.UserSettings.RemoveRecentIndex(indexFile);
return(false);
}
ApplicationView.UserSettings.AddRecentIndex(ApplicationView.CurrentIndexFile.Name, ApplicationView.CurrentIndexFile.IndexFile);
ApplicationView.UpdateSearchFilter();
ApplicationView.FileWatcher.WatchDirectories(ApplicationView.CurrentIndexFile.SourceDirectories);
}
finally
{
ApplicationView.EndOperation(opId);
}
RefreshIndexAtStartup(ApplicationView.CurrentIndexFile);
return(true);
}
