/// <summary>
/// Performs a search in the wiki.
/// </summary>
/// <param name="query">The search query.</param>
/// <param name="fullText">A value indicating whether to perform a full-text search.</param>
/// <param name="searchFilesAndAttachments">A value indicating whether to search through files and attachments.</param>
/// <param name="options">The search options.</param>
/// <returns>The results collection.</returns>
public static SearchResultCollection Search(string query, bool fullText, bool searchFilesAndAttachments, SearchOptions options)
{
// First, search regular page content...
List<SearchResultCollection> allCollections = new List<SearchResultCollection>(3);
foreach(IPagesStorageProviderV30 prov in Collectors.PagesProviderCollector.AllProviders) {
SearchResultCollection currentResults = prov.PerformSearch(new SearchParameters(query, options));
if(!fullText) {
// All non title-related matches must be removed
SearchResultCollection filteredResults = new SearchResultCollection(10);
foreach(SearchResult res in currentResults) {
foreach(WordInfo word in res.Matches) {
if(word.Location == WordLocation.Title) {
filteredResults.Add(res);
break;
}
}
}
allCollections.Add(filteredResults);
}
else allCollections.Add(currentResults);
}
// ... normalize relevance based on the number of providers
float providerNormalizationFactor = 1F / (float)Collectors.PagesProviderCollector.AllProviders.Length;
foreach(SearchResultCollection coll in allCollections) {
foreach(SearchResult result in coll) {
result.Relevance.NormalizeAfterFinalization(providerNormalizationFactor);
}
}
if(searchFilesAndAttachments) {
// ... then build a temporary index for files and attachments...
StandardIndex temporaryIndex = new StandardIndex();
uint tempDocumentId = 1;
uint tempWordId = 1;
temporaryIndex.IndexChanged += delegate(object sender, IndexChangedEventArgs e) {
if(e.Change == IndexChangeType.DocumentAdded) {
List<WordId> ids = null;
if(e.ChangeData.Words != null) {
ids = new List<WordId>(20);
foreach(DumpedWord d in e.ChangeData.Words) {
ids.Add(new WordId(d.Text, tempWordId));
tempWordId++;
}
}
e.Result = new IndexStorerResult(tempDocumentId, ids);
tempDocumentId++;
}
};
temporaryIndex.SetBuildDocumentDelegate(DetectFileOrAttachment);
foreach(IFilesStorageProviderV30 prov in Collectors.FilesProviderCollector.AllProviders) {
TraverseDirectories(temporaryIndex, prov, null);
string[] pagesWithAttachments = prov.GetPagesWithAttachments();
foreach(string page in pagesWithAttachments) {
// Store attachments for the current page in the index
PageInfo pageInfo = Pages.FindPage(page);
// pageInfo can be null if the index is corrupted
if(pageInfo != null) {
foreach(string attachment in prov.ListPageAttachments(pageInfo)) {
FileDetails details = prov.GetPageAttachmentDetails(pageInfo, attachment);
temporaryIndex.StoreDocument(new PageAttachmentDocument(pageInfo,
attachment, prov.GetType().FullName, details.LastModified),
new string[0], "", null);
}
}
}
}
// ... then search in the temporary index and normalize relevance
SearchResultCollection filesAndAttachments = temporaryIndex.Search(new SearchParameters(query, options));
providerNormalizationFactor = 1F / (float)Collectors.FilesProviderCollector.AllProviders.Length;
foreach(SearchResult result in filesAndAttachments) {
result.Relevance.NormalizeAfterFinalization(providerNormalizationFactor);
}
allCollections.Add(filesAndAttachments);
}
return CombineCollections(allCollections);
}
/// <summary>
/// Performs a search in the wiki.
/// </summary>
/// <param name="query">The search query.</param>
/// <param name="fullText">A value indicating whether to perform a full-text search.</param>
/// <param name="searchFilesAndAttachments">A value indicating whether to search through files and attachments.</param>
/// <param name="options">The search options.</param>
/// <returns>The results collection.</returns>
public static SearchResultCollection Search(string query, bool fullText, bool searchFilesAndAttachments, SearchOptions options)
{
// First, search regular page content...
var allCollections = new List <SearchResultCollection>(3);
foreach (IPagesStorageProviderV30 prov in Collectors.PagesProviderCollector.AllProviders)
{
SearchResultCollection currentResults = prov.PerformSearch(new SearchParameters(query, options));
if (!fullText)
{
// All non title-related matches must be removed
var filteredResults = new SearchResultCollection(10);
foreach (SearchResult res in currentResults)
{
foreach (WordInfo word in res.Matches)
{
if (word.Location == WordLocation.Title)
{
filteredResults.Add(res);
break;
}
}
}
allCollections.Add(filteredResults);
}
else
{
allCollections.Add(currentResults);
}
}
// ... normalize relevance based on the number of providers
var providerNormalizationFactor = 1F / Collectors.PagesProviderCollector.AllProviders.Count;
foreach (SearchResultCollection coll in allCollections)
{
foreach (SearchResult result in coll)
{
result.Relevance.NormalizeAfterFinalization(providerNormalizationFactor);
}
}
if (searchFilesAndAttachments)
{
// ... then build a temporary index for files and attachments...
var temporaryIndex = new StandardIndex();
uint tempDocumentId = 1;
uint tempWordId = 1;
temporaryIndex.IndexChanged += delegate(object sender, IndexChangedEventArgs e)
{
if (e.Change == IndexChangeType.DocumentAdded)
{
List <WordId> ids = null;
if (e.ChangeData.Words != null)
{
ids = new List <WordId>(20);
foreach (DumpedWord d in e.ChangeData.Words)
{
ids.Add(new WordId(d.Text, tempWordId));
tempWordId++;
}
}
e.Result = new IndexStorerResult(tempDocumentId, ids);
tempDocumentId++;
}
};
temporaryIndex.SetBuildDocumentDelegate(DetectFileOrAttachment);
foreach (IFilesStorageProviderV30 prov in Collectors.FilesProviderCollector.AllProviders)
{
TraverseDirectories(temporaryIndex, prov, null);
var pagesWithAttachments = prov.GetPagesWithAttachments();
foreach (var page in pagesWithAttachments)
{
// Store attachments for the current page in the index
PageInfo pageInfo = Pages.FindPage(page);
// pageInfo can be null if the index is corrupted
if (pageInfo != null)
{
foreach (var attachment in prov.ListPageAttachments(pageInfo))
{
FileDetails details = prov.GetPageAttachmentDetails(pageInfo, attachment);
temporaryIndex.StoreDocument(new PageAttachmentDocument(pageInfo,
attachment, prov.GetType().FullName, details.LastModified),
new string[0], "", null);
}
}
}
}
// ... then search in the temporary index and normalize relevance
SearchResultCollection filesAndAttachments = temporaryIndex.Search(new SearchParameters(query, options));
providerNormalizationFactor = 1F / Collectors.FilesProviderCollector.AllProviders.Count;
foreach (SearchResult result in filesAndAttachments)
{
result.Relevance.NormalizeAfterFinalization(providerNormalizationFactor);
}
allCollections.Add(filesAndAttachments);
}
return(CombineCollections(allCollections));
}
