override public ISnippetReader GetSnippet(string[] query_terms, Hit hit, bool full_text, int ctx_length, int snp_length)
{
if (text_cache == null)
{
return(null);
}
Uri uri;
if (mount_dir == null || hit ["beagle:RemovableUri"] == null)
{
uri = hit.Uri;
}
else
{
uri = UriFu.EscapedStringToUri(hit ["beagle:RemovableUri"]);
}
// Look up the hit in our local text cache.
// Need to handle self-cached removable:/// uris
bool self_cache = true;
TextReader reader = text_cache.GetReader(uri, ref self_cache);
if (self_cache)
{
reader = new StreamReader(hit.Uri.LocalPath);
}
else if (reader == null)
{
return(null);
}
return(SnippetFu.GetSnippet(query_terms, reader, full_text, ctx_length, snp_length));
}
/////////////////////////////////////////
protected SnippetReader GetSnippetFromTextCache(string [] query_terms, Uri uri, bool full_text, int ctx_length, int snp_length)
{
// Look up the hit in our text cache. If it is there,
// use the cached version to generate a snippet.
TextReader reader;
reader = TextCache.UserCache.GetReader(uri);
if (reader == null)
{
return(null);
}
return(SnippetFu.GetSnippet(query_terms, reader, full_text, ctx_length, snp_length));
}