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diff --git a/libical/src/libicalss/icalset.h b/libical/src/libicalss/icalset.h
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+/* -*- Mode: C -*- */
+/*======================================================================
+ FILE: icalset.h
+ CREATOR: eric 28 November 1999
+
+
+ Icalset is the "base class" for representations of a collection of
+ iCal components. Derived classes (actually delegatees) include:
+ 
+    icalfileset   Store componetns in a single file
+    icaldirset    Store components in multiple files in a directory
+    icalheapset   Store components on the heap
+    icalmysqlset  Store components in a mysql database. 
+
+ $Id$
+ $Locker$
+
+ (C) COPYRIGHT 2000, Eric Busboom, http://www.softwarestudio.org
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of either: 
+
+    The LGPL as published by the Free Software Foundation, version
+    2.1, available at: http://www.fsf.org/copyleft/lesser.html
+
+  Or:
+
+    The Mozilla Public License Version 1.0. You may obtain a copy of
+    the License at http://www.mozilla.org/MPL/
+
+ The Original Code is eric. The Initial Developer of the Original
+ Code is Eric Busboom
+
+
+======================================================================*/
+
+#ifndef ICALSET_H
+#define ICALSET_H
+
+#include <limits.h> /* For PATH_MAX */
+#include "ical.h"
+#include "icalerror.h"
+
+#ifdef PATH_MAX
+#define ICAL_PATH_MAX PATH_MAX
+#else
+#define ICAL_PATH_MAX 1024
+#endif
+
+
+
+
+typedef void icalset;
+
+typedef enum icalset_kind {
+    ICAL_FILE_SET,
+    ICAL_DIR_SET,
+    ICAL_HEAP_SET,
+    ICAL_MYSQL_SET,
+    ICAL_CAP_SET
+} icalset_kind;
+
+
+/* Create a specific derived type of set */
+icalset* icalset_new_file(const char* path);
+icalset* icalset_new_dir(const char* path);
+icalset* icalset_new_heap(void);
+icalset* icalset_new_mysql(const char* path);
+/*icalset* icalset_new_cap(icalcstp* cstp);*/
+
+void icalset_free(icalset* set);
+
+const char* icalset_path(icalset* set);
+
+/* Mark the cluster as changed, so it will be written to disk when it
+   is freed. Commit writes to disk immediately*/
+void icalset_mark(icalset* set);
+icalerrorenum icalset_commit(icalset* set); 
+
+icalerrorenum icalset_add_component(icalset* set, icalcomponent* comp);
+icalerrorenum icalset_remove_component(icalset* set, icalcomponent* comp);
+
+int icalset_count_components(icalset* set,
+                             icalcomponent_kind kind);
+
+/* Restrict the component returned by icalset_first, _next to those
+   that pass the gauge. _clear removes the gauge. */
+icalerrorenum icalset_select(icalset* set, icalcomponent* gauge);
+void icalset_clear_select(icalset* set);
+
+/* Get a component by uid */
+icalcomponent* icalset_fetch(icalset* set, const char* uid);
+int icalset_has_uid(icalset* set, const char* uid);
+icalcomponent* icalset_fetch_match(icalset* set, icalcomponent *c);
+
+/* Modify components according to the MODIFY method of CAP. Works on
+   the currently selected components. */
+icalerrorenum icalset_modify(icalset* set, icalcomponent *oldc,
+                               icalcomponent *newc);
+
+/* Iterate through the components. If a guage has been defined, these
+   will skip over components that do not pass the gauge */
+
+icalcomponent* icalset_get_current_component(icalset* set);
+icalcomponent* icalset_get_first_component(icalset* set);
+icalcomponent* icalset_get_next_component(icalset* set);
+
+#endif /* !ICALSET_H */
+
+
+