1 files changed, 302 insertions, 417 deletions

diff --git a/libical/src/libicalss/icalss.h b/libical/src/libicalss/icalss.h
index cd07919..8930e11 100644
--- a/libical/src/libicalss/icalss.h
+++ b/libical/src/libicalss/icalss.h
@@ -1,14 +1,18 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+/*
+ $Id$
+*/
 /* -*- Mode: C -*- */
 /*======================================================================
  FILE: icalgauge.h
  CREATOR: eric 23 December 1999
 
 
- $Id$
- $Locker$
 
  (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: 
 
@@ -26,48 +30,58 @@
 
 ======================================================================*/
 
 #ifndef ICALGAUGE_H
 #define ICALGAUGE_H
 
-typedef void icalgauge;
+/** @file icalgauge.h
+ *  @brief Routines implementing a filter for ical components
+ */
+
+typedef struct icalgauge_impl icalgauge;
 
-icalgauge* icalgauge_new_from_sql(char* sql);
+icalgauge* icalgauge_new_from_sql(char* sql, int expand);
+
+int icalgauge_get_expand(icalgauge* gauge);
 
 void icalgauge_free(icalgauge* gauge);
 
 char* icalgauge_as_sql(icalcomponent* gauge);
 
-void icalgauge_dump(icalcomponent* gauge);
+void icalgauge_dump(icalgauge* gauge);
+
 
-/* Return true is comp matches the gauge. The component must be in
-   cannonical form -- a VCALENDAR with one VEVENT, VTODO or VJOURNAL
-   sub component */
+/** @brief Return true if comp matches the gauge.
+ *
+ * The component must be in
+ * cannonical form -- a VCALENDAR with one VEVENT, VTODO or VJOURNAL
+ * sub component 
+ */
 int icalgauge_compare(icalgauge* g, icalcomponent* comp);
 
-/* Clone the component, but only return the properties specified in
-   the gauge */
+/** Clone the component, but only return the properties 
+ *  specified in the gauge */
 icalcomponent* icalgauge_new_clone(icalgauge* g, icalcomponent* comp);
 
 #endif /* ICALGAUGE_H*/
 /* -*- Mode: C -*- */
-/*======================================================================
- FILE: icalset.h
- CREATOR: eric 28 November 1999
-
+/**
+ @file icalset.h
+ @author 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
+    icalfileset   Store components in a single file
     icaldirset    Store components in multiple files in a directory
+    icalbdbset    Store components in a Berkeley DB File
     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: 
 
@@ -94,85 +108,207 @@ icalcomponent* icalgauge_new_clone(icalgauge* g, icalcomponent* comp);
 #define ICAL_PATH_MAX PATH_MAX
 #else
 #define ICAL_PATH_MAX 1024
 #endif
 
 
-#ifdef _WIN32
-#define mode_t int
-#endif
-
-
-
-typedef void icalset;
+typedef struct icalset_impl icalset;
 
 typedef enum icalset_kind {
     ICAL_FILE_SET,
     ICAL_DIR_SET,
-    ICAL_HEAP_SET,
-    ICAL_MYSQL_SET,
-    ICAL_CAP_SET
+    ICAL_BDB_SET
 } icalset_kind;
 
+typedef struct icalsetiter
+{
+        icalcompiter iter;    /* icalcomponent_kind, pvl_elem iter */
+        icalgauge* gauge;
+        icalrecur_iterator* ritr; /*the last iterator*/
+        icalcomponent* last_component; /*the pending recurring component to be processed  */
+        const char* tzid; /* the calendar's timezone id */
+} icalsetiter;
+
+struct icalset_impl {
+        icalset_kind kind;
+        int size;
+        char *dsn;
+        icalset* (*init)(icalset* set, const char *dsn, void *options);
+        void (*free)(icalset* set);
+        const char* (*path)(icalset* set);
+        void (*mark)(icalset* set);
+        icalerrorenum (*commit)(icalset* set); 
+        icalerrorenum (*add_component)(icalset* set, icalcomponent* comp);
+        icalerrorenum (*remove_component)(icalset* set, icalcomponent* comp);
+        int (*count_components)(icalset* set,
+                             icalcomponent_kind kind);
+        icalerrorenum (*select)(icalset* set, icalgauge* gauge);
+        void (*clear)(icalset* set);
+        icalcomponent* (*fetch)(icalset* set, const char* uid);
+        icalcomponent* (*fetch_match)(icalset* set, icalcomponent *comp);
+        int (*has_uid)(icalset* set, const char* uid);
+        icalerrorenum (*modify)(icalset* set, icalcomponent *old,
+                                     icalcomponent *newc);
+                icalcomponent* (*get_current_component)(icalset* set);
+        icalcomponent* (*get_first_component)(icalset* set);
+        icalcomponent* (*get_next_component)(icalset* set);
+        icalsetiter (*icalset_begin_component)(icalset* set,
+                                         icalcomponent_kind kind, icalgauge* gauge);
+        icalcomponent* (*icalsetiter_to_next)(icalset* set, icalsetiter* i);
+        icalcomponent* (*icalsetiter_to_prior)(icalset* set, icalsetiter* i);
+};
+
+/** @brief Register a new derived class */
+int icalset_register_class(icalset *set);
+
+
+/** @brief Generic icalset constructor
+ *  
+ *  @param kind     The type of icalset to create
+ *  @param dsn      Data Source Name - usually a pathname or DB handle
+ *  @param options  Any implementation specific options
+ *
+ *  @return         A valid icalset reference or NULL if error.
+ * 
+ *  This creates any of the icalset types available.
+ */
+
+icalset* icalset_new(icalset_kind kind, const char* dsn, void* options);
 
-/* Create a specific derived type of set */
 icalset* icalset_new_file(const char* path);
+icalset* icalset_new_file_reader(const char* path);
+icalset* icalset_new_file_writer(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);*/
+icalset* icalset_new_file_reader(const char* path);
+icalset* icalset_new_file_writer(const char* path);
 
 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*/
+/** Mark the cluster as changed, so it will be written to disk when it
+    is freed. **/
 void icalset_mark(icalset* set);
+
+/** Write changes to disk immediately */
 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);
+/** Restrict the component returned by icalset_first, _next to those
+    that pass the gauge. */
+icalerrorenum icalset_select(icalset* set, icalgauge* gauge);
+
+/** Clears the gauge defined by icalset_select() */
 void icalset_clear_select(icalset* set);
 
-/* Get a component by uid */
+/** 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
+/** 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
+/** 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);
 
+/** External Iterator with gauge - for thread safety */
+extern icalsetiter icalsetiter_null;
+
+icalsetiter icalset_begin_component(icalset* set,
+                                 icalcomponent_kind kind, icalgauge* gauge);
+
+/** Default _next, _prior, _deref for subclasses that use single cluster */
+icalcomponent* icalsetiter_next(icalsetiter* i);
+icalcomponent* icalsetiter_prior(icalsetiter* i);
+icalcomponent* icalsetiter_deref(icalsetiter* i);
+
+/** for subclasses that use multiple clusters that require specialized cluster traversal */
+icalcomponent* icalsetiter_to_next(icalset* set, icalsetiter* i);
+icalcomponent* icalsetiter_to_prior(icalset* set, icalsetiter* i);
+
 #endif /* !ICALSET_H */
 
 
 
 /* -*- Mode: C -*- */
 /*======================================================================
+ FILE: icalcluster.h
+ CREATOR: eric 23 December 1999
+
+
+
+ (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 ICALCLUSTER_H
+#define ICALCLUSTER_H
+
+
+typedef struct icalcluster_impl icalcluster;
+
+icalcluster* icalcluster_new(const char *key, icalcomponent *data);
+icalcluster* icalcluster_new_clone(const icalcluster *cluster);
+
+void icalcluster_free(icalcluster *cluster);
+
+const char* icalcluster_key(icalcluster *cluster);
+int icalcluster_is_changed(icalcluster *cluster);
+void icalcluster_mark(icalcluster *cluster);
+void icalcluster_commit(icalcluster *cluster);
+
+icalcomponent* icalcluster_get_component(icalcluster* cluster);
+int icalcluster_count_components(icalcluster *cluster, icalcomponent_kind kind);
+icalerrorenum icalcluster_add_component(icalcluster* cluster,
+                                        icalcomponent* child);
+icalerrorenum icalcluster_remove_component(icalcluster* cluster,
+                                           icalcomponent* child);
+
+icalcomponent* icalcluster_get_current_component(icalcluster* cluster);
+icalcomponent* icalcluster_get_first_component(icalcluster* cluster);
+icalcomponent* icalcluster_get_next_component(icalcluster* cluster);
+
+#endif /* !ICALCLUSTER_H */
+
+
+
+/* -*- Mode: C -*- */
+/*======================================================================
  FILE: icalfileset.h
  CREATOR: eric 23 December 1999
 
 
- $Id$
- $Locker$
 
  (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: 
 
@@ -194,87 +330,113 @@ icalcomponent* icalset_get_next_component(icalset* set);
 #define ICALFILESET_H
 
 #include <sys/types.h> /* For open() flags and mode */
 #include <sys/stat.h> /* For open() flags and mode */
 #include <fcntl.h> /* For open() flags and mode */
 
-extern int icalfileset_safe_saves;
+#ifdef WIN32
+#define mode_t int
+#endif
 
-typedef void icalfileset;
+extern int icalfileset_safe_saves;
 
+typedef struct icalfileset_impl icalfileset;
 
-/* icalfileset
-   icalfilesetfile
-   icalfilesetdir
-*/
+icalset* icalfileset_new(const char* path);
+icalset* icalfileset_new_reader(const char* path);
+icalset* icalfileset_new_writer(const char* path);
 
+icalset* icalfileset_init(icalset *set, const char *dsn, void* options);
 
-icalfileset* icalfileset_new(const char* path);
+icalfileset* icalfileset_new_from_cluster(const char* path, icalcluster *cluster);
 
-/* Like _new, but takes open() flags for opening the file */
-icalfileset* icalfileset_new_open(const char* path, 
-                                  int flags, mode_t mode);
+icalcluster* icalfileset_produce_icalcluster(const char *path);
 
-void icalfileset_free(icalfileset* cluster);
+void icalfileset_free(icalset* cluster);
 
-const char* icalfileset_path(icalfileset* cluster);
+const char* icalfileset_path(icalset* cluster);
 
 /* Mark the cluster as changed, so it will be written to disk when it
    is freed. Commit writes to disk immediately. */
-void icalfileset_mark(icalfileset* cluster);
-icalerrorenum icalfileset_commit(icalfileset* cluster); 
+void icalfileset_mark(icalset* set);
+icalerrorenum icalfileset_commit(icalset* set); 
 
-icalerrorenum icalfileset_add_component(icalfileset* cluster,
+icalerrorenum icalfileset_add_component(icalset* set,
                                         icalcomponent* child);
 
-icalerrorenum icalfileset_remove_component(icalfileset* cluster,
+icalerrorenum icalfileset_remove_component(icalset* set,
                                            icalcomponent* child);
 
-int icalfileset_count_components(icalfileset* cluster,
+int icalfileset_count_components(icalset* set,
                                  icalcomponent_kind kind);
 
-/* Restrict the component returned by icalfileset_first, _next to those
-   that pass the gauge. _clear removes the gauge */
-icalerrorenum icalfileset_select(icalfileset* store, icalgauge* gauge);
-void icalfileset_clear(icalfileset* store);
+/**
+ * Restrict the component returned by icalfileset_first, _next to those
+ * that pass the gauge. _clear removes the gauge 
+ */
+icalerrorenum icalfileset_select(icalset* set, icalgauge* gauge);
 
-/* Get and search for a component by uid */
-icalcomponent* icalfileset_fetch(icalfileset* cluster, const char* uid);
-int icalfileset_has_uid(icalfileset* cluster, const char* uid);
-icalcomponent* icalfileset_fetch_match(icalfileset* set, icalcomponent *c);
+/** clear the gauge **/
+void icalfileset_clear(icalset* set);
 
+/** Get and search for a component by uid **/
+icalcomponent* icalfileset_fetch(icalset* set, const char* uid);
+int icalfileset_has_uid(icalset* set, const char* uid);
+icalcomponent* icalfileset_fetch_match(icalset* set, icalcomponent *c);
 
-/* Modify components according to the MODIFY method of CAP. Works on
-   the currently selected components. */
-icalerrorenum icalfileset_modify(icalfileset* store, icalcomponent *oldcomp,
+
+/**
+ *  Modify components according to the MODIFY method of CAP. Works on the
+ *  currently selected components. 
+ */
+icalerrorenum icalfileset_modify(icalset* set, 
+                                 icalcomponent *oldcomp,
                                icalcomponent *newcomp);
 
-/* Iterate through components. If a guage has been defined, these
+/* Iterate through components. If a gauge has been defined, these
    will skip over components that do not pass the gauge */
 
-icalcomponent* icalfileset_get_current_component (icalfileset* cluster);
-icalcomponent* icalfileset_get_first_component(icalfileset* cluster);
-icalcomponent* icalfileset_get_next_component(icalfileset* cluster);
-/* Return a reference to the internal component. You probably should
+icalcomponent* icalfileset_get_current_component (icalset* cluster);
+icalcomponent* icalfileset_get_first_component(icalset* cluster);
+icalcomponent* icalfileset_get_next_component(icalset* cluster);
+
+/* External iterator for thread safety */
+icalsetiter icalfileset_begin_component(icalset* set, icalcomponent_kind kind, icalgauge* gauge);
+icalcomponent * icalfilesetiter_to_next(icalset* set, icalsetiter *iter);
+icalcomponent* icalfileset_form_a_matched_recurrence_component(icalsetiter* itr);
+
+/** Return a reference to the internal component. You probably should
    not be using this. */
 
-icalcomponent* icalfileset_get_component(icalfileset* cluster);
+icalcomponent* icalfileset_get_component(icalset* cluster);
+
+/** 
+ * @brief options for opening an icalfileset.
+ *
+ * These options should be passed to the icalset_new() function
+ */
+
+typedef struct icalfileset_options {
+          int          flags;   /**< flags for open() O_RDONLY, etc  */
+          mode_t       mode;    /**< file mode */
+          int          safe_saves;/**< to lock or not */
+          icalcluster  *cluster;/**< use this cluster to initialize data */
+} icalfileset_options;
 
+extern icalfileset_options icalfileset_options_default;
 
 #endif /* !ICALFILESET_H */
 
 
 
 /* -*- Mode: C -*- */
 /*======================================================================
  FILE: icaldirset.h
  CREATOR: eric 28 November 1999
 
 
- $Id$
- $Locker$
 
  (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: 
 
@@ -296,66 +458,77 @@ icalcomponent* icalfileset_get_component(icalfileset* cluster);
 #define ICALDIRSET_H
 
 
 /* icaldirset Routines for storing, fetching, and searching for ical
  * objects in a database */
 
-typedef void icaldirset;
+typedef struct icaldirset_impl icaldirset;
 
+icalset* icaldirset_new(const char* path);
 
-icaldirset* icaldirset_new(const char* path);
+icalset* icaldirset_new_reader(const char* path);
+icalset* icaldirset_new_writer(const char* path);
 
-void icaldirset_free(icaldirset* store);
 
-const char* icaldirset_path(icaldirset* store);
+icalset* icaldirset_init(icalset* set, const char *dsn, void *options);
+void icaldirset_free(icalset* set);
+
+const char* icaldirset_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 icaldirset_mark(icaldirset* store);
-icalerrorenum icaldirset_commit(icaldirset* store); 
+void icaldirset_mark(icalset* set);
+icalerrorenum icaldirset_commit(icalset* set);
 
-icalerrorenum icaldirset_add_component(icaldirset* store, icalcomponent* comp);
-icalerrorenum icaldirset_remove_component(icaldirset* store, icalcomponent* comp);
+icalerrorenum icaldirset_add_component(icalset* store, icalcomponent* comp);
+icalerrorenum icaldirset_remove_component(icalset* store, icalcomponent* comp);
 
-int icaldirset_count_components(icaldirset* store,
+int icaldirset_count_components(icalset* store,
                                icalcomponent_kind kind);
 
 /* Restrict the component returned by icaldirset_first, _next to those
    that pass the gauge. _clear removes the gauge. */
-icalerrorenum icaldirset_select(icaldirset* store, icalcomponent* gauge);
-void icaldirset_clear(icaldirset* store);
+icalerrorenum icaldirset_select(icalset* store, icalgauge* gauge);
+void icaldirset_clear(icalset* store);
 
 /* Get a component by uid */
-icalcomponent* icaldirset_fetch(icaldirset* store, const char* uid);
-int icaldirset_has_uid(icaldirset* store, const char* uid);
-icalcomponent* icaldirset_fetch_match(icaldirset* set, icalcomponent *c);
+icalcomponent* icaldirset_fetch(icalset* store, const char* uid);
+int icaldirset_has_uid(icalset* store, const char* uid);
+icalcomponent* icaldirset_fetch_match(icalset* set, icalcomponent *c);
 
 /* Modify components according to the MODIFY method of CAP. Works on
    the currently selected components. */
-icalerrorenum icaldirset_modify(icaldirset* store, icalcomponent *oldc,
+icalerrorenum icaldirset_modify(icalset* store, icalcomponent *oldc,
                                icalcomponent *newc);
 
-/* Iterate through the components. If a guage has been defined, these
+/* Iterate through the components. If a gauge has been defined, these
    will skip over components that do not pass the gauge */
 
-icalcomponent* icaldirset_get_current_component(icaldirset* store);
-icalcomponent* icaldirset_get_first_component(icaldirset* store);
-icalcomponent* icaldirset_get_next_component(icaldirset* store);
+icalcomponent* icaldirset_get_current_component(icalset* store);
+icalcomponent* icaldirset_get_first_component(icalset* store);
+icalcomponent* icaldirset_get_next_component(icalset* store);
+
+/* External iterator for thread safety */
+icalsetiter icaldirset_begin_component(icalset* set, icalcomponent_kind kind, icalgauge* gauge);
+icalcomponent* icaldirsetiter_to_next(icalset* set, icalsetiter* i);
+icalcomponent* icaldirsetiter_to_prior(icalset* set, icalsetiter* i);
+
+typedef struct icaldirset_options {
+          int flags;            /**< flags corresponding to the open() system call O_RDWR, etc. */
+} icaldirset_options;
 
 #endif /* !ICALDIRSET_H */
 
 
 
 /* -*- Mode: C -*- */
 /*======================================================================
  FILE: icalcalendar.h
  CREATOR: eric 23 December 1999
 
 
- $Id$
- $Locker$
 
  (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: 
 
@@ -380,13 +553,13 @@ icalcomponent* icaldirset_get_next_component(icaldirset* store);
 /* icalcalendar
  * Routines for storing calendar data in a file system. The calendar 
  * has two icaldirsets, one for incoming components and one for booked
  * components. It also has interfaces to access the free/busy list
  * and a list of calendar properties */
 
-typedef  void icalcalendar;
+typedef struct icalcalendar_impl icalcalendar;
 
 icalcalendar* icalcalendar_new(char* dir);
 
 void icalcalendar_free(icalcalendar* calendar);
 
 int icalcalendar_lock(icalcalendar* calendar);
@@ -413,14 +586,12 @@ icalset* icalcalendar_get_freebusy(icalcalendar* calendar);
 /* -*- Mode: C -*- */
 /*======================================================================
  FILE: icalclassify.h
  CREATOR: eric 21 Aug 2000
 
 
- $Id$
- $Locker$
 
  (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: 
 
@@ -436,50 +607,18 @@ icalset* icalcalendar_get_freebusy(icalcalendar* calendar);
  =========================================================================*/
 
 #ifndef ICALCLASSIFY_H
 #define ICALCLASSIFY_H
 
 
-
-typedef enum icalclass {
-    ICAL_NO_CLASS,
-    ICAL_PUBLISH_NEW_CLASS,
-    ICAL_PUBLISH_UPDATE_CLASS,
-    ICAL_PUBLISH_FREEBUSY_CLASS,
-    ICAL_REQUEST_NEW_CLASS,
-    ICAL_REQUEST_UPDATE_CLASS,
-    ICAL_REQUEST_RESCHEDULE_CLASS,
-    ICAL_REQUEST_DELEGATE_CLASS,
-    ICAL_REQUEST_NEW_ORGANIZER_CLASS,
-    ICAL_REQUEST_FORWARD_CLASS,
-    ICAL_REQUEST_STATUS_CLASS,
-    ICAL_REQUEST_FREEBUSY_CLASS,
-    ICAL_REPLY_ACCEPT_CLASS,
-    ICAL_REPLY_DECLINE_CLASS,
-    ICAL_REPLY_DELEGATE_CLASS,
-    ICAL_REPLY_CRASHER_ACCEPT_CLASS,
-    ICAL_REPLY_CRASHER_DECLINE_CLASS,
-    ICAL_ADD_INSTANCE_CLASS,
-    ICAL_CANCEL_EVENT_CLASS,
-    ICAL_CANCEL_INSTANCE_CLASS,
-    ICAL_CANCEL_ALL_CLASS,
-    ICAL_REFRESH_CLASS,
-    ICAL_COUNTER_CLASS,
-    ICAL_DECLINECOUNTER_CLASS,
-    ICAL_MALFORMED_CLASS, 
-    ICAL_OBSOLETE_CLASS, /* 21 */
-    ICAL_MISSEQUENCED_CLASS, /* 22 */
-    ICAL_UNKNOWN_CLASS /* 23 */
-} ical_class;
-
-ical_class icalclassify(icalcomponent* c,icalcomponent* match, 
+icalproperty_xlicclass icalclassify(icalcomponent* c,icalcomponent* match, 
                               const char* user);
 
 icalcomponent* icalclassify_find_overlaps(icalset* set, icalcomponent* comp);
 
-char* icalclassify_class_to_string(ical_class iclass);
+char* icalclassify_class_to_string(icalproperty_xlicclass c);
 
 
 #endif /* ICALCLASSIFY_H*/
 
 
                                     
@@ -488,14 +627,12 @@ char* icalclassify_class_to_string(ical_class iclass);
 /* -*- Mode: C -*- */
 /*======================================================================
  FILE: icalspanlist.h
  CREATOR: eric 21 Aug 2000
 
 
- $Id$
- $Locker$
 
  (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: 
 
@@ -510,44 +647,65 @@ char* icalclassify_class_to_string(ical_class iclass);
 
  =========================================================================*/
 #ifndef ICALSPANLIST_H
 #define ICALSPANLIST_H
 
 
-typedef void icalspanlist;
+/** @file icalspanlist.h
+ *  @brief Code that supports collections of free/busy spans of time
+ */
+
+typedef struct icalspanlist_impl icalspanlist;
+
+
+/** @brief Constructor
+ * Make a free list from a set of component. Start and end should be in UTC 
+ */
 
-/* Make a free list from a set of component. Start and end should be in UTC */
 icalspanlist* icalspanlist_new(icalset *set, 
                                 struct icaltimetype start,
                                 struct icaltimetype end);
 
+/** @brief Destructor
+ */
 void icalspanlist_free(icalspanlist* spl);
 
+/* Unimplemented functions */
 icalcomponent* icalspanlist_make_free_list(icalspanlist* sl);
 icalcomponent* icalspanlist_make_busy_list(icalspanlist* sl);
 
-/* Get first free or busy time after time t. all times are in UTC */
+/** Get first next free time after time t. all times are in UTC. */
 struct icalperiodtype icalspanlist_next_free_time(icalspanlist* sl,
                                                 struct icaltimetype t);
+/** Get first next busy time after time t. all times are in UTC. */
 struct icalperiodtype icalspanlist_next_busy_time(icalspanlist* sl,
                                                 struct icaltimetype t);
 
 void icalspanlist_dump(icalspanlist* s);
 
+/** @brief Return a valid VFREEBUSY component for this span */
+icalcomponent *icalspanlist_as_vfreebusy(icalspanlist* s_in,
+                                         const char* organizer,
+                                         const char* attendee);
+
+/** @brief Return an integer matrix of total events per delta_t timespan */
+int *icalspanlist_as_freebusy_matrix(icalspanlist* span, int delta_t);
+
+/** @brief Construct an icalspanlist from a VFREEBUSY component */
+icalspanlist *icalspanlist_from_vfreebusy(icalcomponent* c);
+
 #endif
                                     
 
 
 /* -*- Mode: C -*- */
 /*======================================================================
  FILE: icalmessage.h
  CREATOR: eric 07 Nov 2000
 
 
- $Id$
- $Locker$
 
  (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: 
 
@@ -604,282 +762,9 @@ icalcomponent* icalmessage_new_error_reply(icalcomponent* c,
                                            const char* msg,
                                            const char* debug,
                                            icalrequeststatus rs);
 
 
 #endif /* ICALMESSAGE_H*/
-/* -*- Mode: C -*- */
-/*======================================================================
-  FILE: icalcstp.h
-  CREATOR: eric 20 April 1999
-  
-  $Id$
-
-
- (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 icalcstp.h
-
-======================================================================*/
-
-
-#ifndef ICALCSTP_H
-#define ICALCSTP_H
-
-
-
-/* Connection state, from the state machine in RFC2445 */
-enum cstps_state {
-    NO_STATE,
-    CONNECTED,
-    AUTHENTICATED,
-    IDENTIFIED,
-    DISCONNECTED,
-    RECEIVE
-};
-
-/* CSTP Commands that a client can issue to a server */
-typedef enum icalcstp_command {
-    ICAL_ABORT_COMMAND,
-    ICAL_AUTHENTICATE_COMMAND,
-    ICAL_CAPABILITY_COMMAND,
-    ICAL_CONTINUE_COMMAND,
-    ICAL_CALIDEXPAND_COMMAND,
-    ICAL_IDENTIFY_COMMAND,
-    ICAL_DISCONNECT_COMMAND,
-    ICAL_SENDDATA_COMMAND,
-    ICAL_STARTTLS_COMMAND,
-    ICAL_UPNEXPAND_COMMAND,
-    ICAL_COMPLETE_COMMAND,
-    ICAL_UNKNOWN_COMMAND
-} icalcstp_command;
-
-
-
-/* A statement is a combination of command or response code and a
-   component that the server and client exchage with each other. */
-struct icalcstp_statement {
-    icalcstp_command command;
-    char* str_data; /* If non-NUll use as arguments to command */
-    int int_data; /* If non-NULL use as arguments to command */
-
-    icalrequeststatus code;
-
-    icalcomponent* data;
+#ifdef __cplusplus
 };
-
-const char* icalcstp_command_to_string(icalcstp_command command);
-icalcstp_command icalcstp_string_to_command(const char* str);
-
-#endif /* !ICALCSTP_H */
-
-
-
-/* -*- Mode: C -*- */
-/*======================================================================
-  FILE: icalcstpclient.h
-  CREATOR: eric 4 Feb 01
-  
-  $Id$
-
-
- (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 icalcstp.h
-
-======================================================================*/
-
-
-#ifndef ICALCSTPC_H
-#define ICALCSTPC_H
-
-
-/********************** Client (Sender) Interfaces **************************/
-
-/* How to use: 
-
-   1) Construct a new icalcstpc
-   2) Issue a command by calling one of the command routines. 
-   3) Repeat until both call icalcstpc_next_output and
-   icalcstpc_next_input return 0:
-     3a) Call icalcstpc_next_output. Send string to server. 
-     3b) Get string from server, & give to icalcstp_next_input()
-   4) Iterate with icalcstpc_first_response & icalcstp_next_response to 
-   get the servers responses
-   5) Repeat at #2
-*/
-
-
-typedef void icalcstpc;
-
-/* Response code sent by the server. */
-        typedef struct icalcstpc_response {
-    icalrequeststatus code;
-    char *arg; /* These strings are owned by libical */
-    char *debug_text;
-    char *more_text;
-    void* result;
-} icalcstpc_response;
-
-
-icalcstpc* icalcstpc_new();
-
-void icalcstpc_free(icalcstpc* cstpc);
-
-int icalcstpc_set_timeout(icalcstpc* cstp, int sec);
-
-
-/* Get the next string to send to the server */
-char* icalcstpc_next_output(icalcstpc* cstp, char* line);
-
-/* process the next string from the server */ 
-int icalcstpc_next_input(icalcstpc* cstp, char * line);
-
-/* After icalcstpc_next_input returns a 0, there are responses
-   ready. use these to get them */
-icalcstpc_response icalcstpc_first_response(icalcstpc* cstp);
-icalcstpc_response icalcstpc_next_response(icalcstpc* cstp);
-
-/* Issue a command */
-icalerrorenum icalcstpc_abort(icalcstpc* cstp);
-icalerrorenum icalcstpc_authenticate(icalcstpc* cstp, char* mechanism, 
-                                        char* init_data, char* f(char*) );
-icalerrorenum icalcstpc_capability(icalcstpc* cstp);
-icalerrorenum icalcstpc_calidexpand(icalcstpc* cstp,char* calid);
-icalerrorenum icalcstpc_continue(icalcstpc* cstp, unsigned int time);
-icalerrorenum icalcstpc_disconnect(icalcstpc* cstp);
-icalerrorenum icalcstpc_identify(icalcstpc* cstp, char* id);
-icalerrorenum icalcstpc_starttls(icalcstpc* cstp, char* command, 
-                                    char* init_data, char* f(char*));
-icalerrorenum icalcstpc_senddata(icalcstpc* cstp, unsigned int time,
-                                icalcomponent *comp);
-icalerrorenum icalcstpc_upnexpand(icalcstpc* cstp,char* calid);
-icalerrorenum icalcstpc_sendata(icalcstpc* cstp, unsigned int time,
-                                   icalcomponent *comp);
-
-
-#endif /* !ICALCSTPC_H */
-
-
-
-/* -*- Mode: C -*- */
-/*======================================================================
-  FILE: icalcstpserver.h
-  CREATOR: eric 13 Feb 01
-  
-  $Id$
-
-
- (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 icalcstp.h
-
-======================================================================*/
-
-
-#ifndef ICALCSTPS_H
-#define ICALCSTPS_H
-
-
-
-/********************** Server (Reciever) Interfaces *************************/
-
-/* On the server side, the caller will recieve data from the incoming
-   socket and pass it to icalcstps_next_input. The caller then takes
-   the return from icalcstps_next_outpu and sends it out through the
-   socket. This gives the caller a point of control. If the cstp code
-   connected to the socket itself, it would be hard for the caller to
-   do anything else after the cstp code was started.
-
-   All of the server and client command routines will generate
-   response codes. On the server side, these responses will be turned
-   into text and sent to the client. On the client side, the reponse
-   is the one sent from the server.
-
-   Since each command can return multiple responses, the responses are
-   stored in the icalcstps object and are accesses by
-   icalcstps_first_response() and icalcstps_next_response()
-
-   How to use: 
-
-   1) Construct a new icalcstps, bound to your code via stubs
-   2) Repeat forever:
-     2a) Get string from client & give to icalcstps_next_input()
-     2b) Repeat until icalcstp_next_output returns 0:
-       2b1) Call icalcstps_next_output. 
-       2b2) Send string to client.
-*/
-
-
-
-typedef void icalcstps;
-
-/* Pointers to the rountines that
-   icalcstps_process_incoming will call when it recognizes a CSTP
-   command in the data. BTW, the CONTINUE command is named 'cont'
-   because 'continue' is a C keyword */
-
-struct icalcstps_commandfp {
-  icalerrorenum (*abort)(icalcstps* cstp);
-  icalerrorenum (*authenticate)(icalcstps* cstp, char* mechanism,
-                                    char* data);
-  icalerrorenum (*calidexpand)(icalcstps* cstp, char* calid);
-  icalerrorenum (*capability)(icalcstps* cstp);
-  icalerrorenum (*cont)(icalcstps* cstp, unsigned int time);
-  icalerrorenum (*identify)(icalcstps* cstp, char* id);
-  icalerrorenum (*disconnect)(icalcstps* cstp);
-  icalerrorenum (*sendata)(icalcstps* cstp, unsigned int time,
-                               icalcomponent *comp);
-  icalerrorenum (*starttls)(icalcstps* cstp, char* command,
-                                char* data);
-  icalerrorenum (*upnexpand)(icalcstps* cstp, char* upn);
-  icalerrorenum (*unknown)(icalcstps* cstp, char* command, char* data);
-};                                                        
-
-
-
-icalcstps* icalcstps_new(struct icalcstps_commandfp stubs);
-
-void icalcstps_free(icalcstps* cstp);
-
-int icalcstps_set_timeout(icalcstps* cstp, int sec);
-
-/* Get the next string to send to the client */
-char* icalcstps_next_output(icalcstps* cstp);
-
-/* process the next string from the client */ 
-int icalcstps_next_input(icalcstps* cstp);
-
-#endif /* ICALCSTPS */
+#endif