1 files changed, 150 insertions, 0 deletions
diff --git a/juk/playlistsearch.h b/juk/playlistsearch.h
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+/***************************************************************************
+    begin                : Sun Mar 6 2003
+    copyright            : (C) 2003 - 2004 by Scott Wheeler
+    email                : wheeler@kde.org
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef PLAYLISTSEARCH_H
+#define PLAYLISTSEARCH_H
+
+#include <qregexp.h>
+
+class Playlist;
+typedef QValueList<Playlist *> PlaylistList;
+
+class PlaylistItem;
+typedef QValueList<PlaylistItem *> PlaylistItemList;
+
+typedef QValueList<int> ColumnList;
+
+class PlaylistSearch
+{
+public:
+    class Component;
+    typedef QValueList<Component> ComponentList;
+
+    enum SearchMode { MatchAny = 0, MatchAll = 1 };
+
+    PlaylistSearch();
+    PlaylistSearch(const PlaylistList &playlists,
+		   const ComponentList &components,
+		   SearchMode mode = MatchAny,
+		   bool searchNow = true);
+
+    void search();
+    bool checkItem(PlaylistItem *item);
+
+    PlaylistItemList searchedItems() const { return m_items; }
+    PlaylistItemList matchedItems() const { return m_matchedItems; }
+    PlaylistItemList unmatchedItems() const { return m_unmatchedItems; }
+
+    void addPlaylist(Playlist *p) { m_playlists.append(p); }
+    void clearPlaylists() { m_playlists.clear(); }
+    PlaylistList playlists() const { return m_playlists; }
+
+    void addComponent(const Component &c);
+    void clearComponents();
+    ComponentList components() const;
+
+    void setSearchMode(SearchMode m) { m_mode = m; }
+    SearchMode searchMode() const { return m_mode; }
+
+    bool isNull() const;
+    bool isEmpty() const;
+
+    /**
+     * This is used to clear an item from the matched and unmatched lists.  This
+     * is useful because it can prevent keeping a dangling pointer around without
+     * requiring invalidating the search.
+     */
+    void clearItem(PlaylistItem *item);
+
+private:
+    PlaylistList m_playlists;
+    ComponentList m_components;
+    SearchMode m_mode;
+
+    PlaylistItemList m_items;
+    PlaylistItemList m_matchedItems;
+    PlaylistItemList m_unmatchedItems;
+};
+
+/**
+ * A search is built from several search components.  These corespond to to lines
+ * in the search bar.
+ */
+
+class PlaylistSearch::Component
+{
+public:
+    enum MatchMode { Contains = 0, Exact = 1, ContainsWord = 2 };
+
+    /**
+     * Create an empty search component.  This is only provided for use by 
+     * QValueList and should not be used in any other context.
+     */
+    Component();
+
+    /**
+     * Create a query component.  This defaults to searching all visible coulumns.
+     */
+    Component(const QString &query,
+	      bool caseSensitive = false,
+	      const ColumnList &columns = ColumnList(),
+	      MatchMode mode = Contains);
+
+    /**
+     * Create a query component.  This defaults to searching all visible coulumns.
+     */
+    Component(const QRegExp &query, const ColumnList &columns = ColumnList());
+
+    QString query() const { return m_query; }
+    QRegExp pattern() const { return m_queryRe; }
+    ColumnList columns() const { return m_columns; }
+
+    bool matches(PlaylistItem *item) const;
+    bool isPatternSearch() const { return m_re; }
+    bool isCaseSensitive() const { return m_caseSensitive; }
+    MatchMode matchMode() const { return m_mode; }
+
+    bool operator==(const Component &v) const;
+    
+private:
+    QString m_query;
+    QRegExp m_queryRe;
+    mutable ColumnList m_columns;
+    MatchMode m_mode;
+    bool m_searchAllVisible;
+    bool m_caseSensitive;
+    bool m_re;
+};
+
+/**
+ * Streams \a search to the stream \a s.
+ * \note This does not save the playlist list, but instead will assume that the
+ * search is just relevant to the collection list.  This is all that is presently
+ * needed by JuK.
+ */
+QDataStream &operator<<(QDataStream &s, const PlaylistSearch &search);
+
+/**
+ * Streams \a search from the stream \a s.
+ * \note This does not save the playlist list, but instead will assume that the
+ * search is just relevant to the collection list.  This is all that is presently
+ * needed by JuK.
+ */
+QDataStream &operator>>(QDataStream &s, PlaylistSearch &search);
+
+QDataStream &operator<<(QDataStream &s, const PlaylistSearch::Component &c);
+QDataStream &operator>>(QDataStream &s, PlaylistSearch::Component &c);
+
+#endif