private IEnumerable <LinkInfo> GetTagLinks(string tag)
{
var tagDocs = mIndexReader.TermDocs(new Term(FIELD_TAG, tag));
var urlAndCaptionSelector = new Lucene.Net.Documents.MapFieldSelector(FIELD_URL, FIELD_CAPTION);
while (tagDocs.Next())
{
var tagDocument = mIndexReader.Document(tagDocs.Doc, urlAndCaptionSelector);
if (tagDocument != null)
{
var fieldUrl = tagDocument.GetField(FIELD_URL);
var fieldCaption = tagDocument.GetField(FIELD_CAPTION);
if (fieldUrl != null && !string.IsNullOrEmpty(fieldUrl.StringValue))
{
yield return(new
LinkInfo
{
Url = fieldUrl.StringValue,
Caption = fieldCaption != null ? fieldCaption.StringValue : string.Empty
});
}
}
}
yield break;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="index">Parent Lucene index.</param>
internal FileList(LuceneIndex index)
{
mIndex = index;
// This gets a little complicated, as the tag documents are also part of the index an can be inbetween the source code documents and
// therfore they must be skipped...
// So we build up an index-to-docid mapping first and need to subtract the number of tag documents from the total number of documents
// to get the actual number of files.
int numTagDocs = BuildIndexToDocIdMap(mIndex.mIndexReader, out mIndexToDocIdMapping);
mCount = mIndex.mIndexReader.NumDocs() - numTagDocs;
mPathSelector = new Lucene.Net.Documents.MapFieldSelector(FIELD_PATH);
}
