/// <summary>
/// Search the notes! A match number of
/// <see cref="int.MaxValue"/> indicates that the note
/// title contains the search term.
/// </summary>
/// <param name="query">
/// A <see cref="System.String"/>
/// </param>
/// <param name="case_sensitive">
/// A <see cref="System.Boolean"/>
/// </param>
/// <param name="selected_notebook">
/// A <see cref="Notebooks.Notebook"/>. If this is not
/// null, only the notes of the specified notebook will
/// be searched.
/// </param>
/// <returns>
/// A <see cref="IDictionary`2"/> with the relevant Notes
/// and a match number. If the search term is in the title,
/// number will be <see cref="int.MaxValue"/>.
/// </returns>
public IDictionary<Note,int> SearchNotes (
string query,
bool case_sensitive,
Notebooks.Notebook selected_notebook)
{
string [] words = Search.SplitWatchingQuotes (query);
// Used for matching in the raw note XML
string [] encoded_words = SplitWatchingQuotes (XmlEncoder.Encode (query));
Dictionary<Note,int> temp_matches = new Dictionary<Note,int>();
// Skip over notes that are template notes
Tag template_tag = TagManager.GetOrCreateSystemTag (TagManager.TemplateNoteSystemTag);
foreach (Note note in manager.Notes) {
// Skip template notes
if (note.ContainsTag (template_tag))
continue;
// Skip notes that are not in the
// selected notebook
if (selected_notebook != null
&& selected_notebook.ContainsNote (note) == false)
continue;
// First check the note's title for a match,
// if there is no match check the note's raw
// XML for at least one match, to avoid
// deserializing Buffers unnecessarily.
if (0 < FindMatchCountInNote (note.Title,
words,
case_sensitive))
temp_matches.Add(note,int.MaxValue);
else if (CheckNoteHasMatch (note,
encoded_words,
case_sensitive)){
int match_count =
FindMatchCountInNote (note.TextContent,
words,
case_sensitive);
if (match_count > 0)
// TODO: Improve note.GetHashCode()
temp_matches.Add(note,match_count);
}
}
return temp_matches;
}