Diffstat (limited to 'libical/src/libicalss/icalcluster.c') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | libical/src/libicalss/icalcluster.c | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/libical/src/libicalss/icalcluster.c b/libical/src/libicalss/icalcluster.c new file mode 100644 index 0000000..6d11078 --- a/dev/null +++ b/libical/src/libicalss/icalcluster.c @@ -0,0 +1,245 @@ +/* -*- Mode: C -*- + ====================================================================== + FILE: icalcluster.c + CREATOR: acampi 13 March 2002 + + $Id$ + $Locker$ + + (C) COPYRIGHT 2002, 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 + + + ======================================================================*/ + + +/** + * + * icalcluster is an utility class design to manage clusters of + * icalcomponents on behalf of an implementation of icalset. This is + * done in order to split out common behavior different classes might + * need. + * The definition of what exactly a cluster will contain depends on the + * icalset subclass. At the basic level, an icluster is just a tuple, + * with anything as key and an icalcomponent as value. + */ + + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <stdlib.h> +#include <string.h> + +#if 0 +#include <errno.h> +#include <sys/stat.h> /* for stat */ +#ifndef WIN32 +#include <unistd.h> /* for stat, getpid */ +#else +#include <io.h> +#include <share.h> +#endif +#include <fcntl.h> /* for fcntl */ +#endif + +#include "icalcluster.h" +#include "icalclusterimpl.h" +#include "icalgauge.h" + +#ifdef WIN32 +#define snprintf _snprintf +#define strcasecmp stricmp +#endif + + +icalcluster * icalcluster_new_impl(void) { + + struct icalcluster_impl* impl; + + if ((impl = (struct icalcluster_impl*)malloc( + sizeof(struct icalcluster_impl))) == 0) { + icalerror_set_errno(ICAL_NEWFAILED_ERROR); + return 0; + } + + memset(impl, 0, sizeof(struct icalcluster_impl)); + strcpy(impl->id,ICALCLUSTER_ID); + + return impl; +} + +/** + * Create a cluster with a key/value pair. + * + * @todo Always do a deep copy. + */ + +icalcluster * icalcluster_new(const char* key, icalcomponent *data) { + struct icalcluster_impl *impl = icalcluster_new_impl(); + assert(impl->data == 0); + + impl->key = strdup(key); + impl->changed = 0; + impl->data = 0; + + if (data != NULL) { + if (icalcomponent_isa(data) != ICAL_XROOT_COMPONENT) { + impl->data = icalcomponent_new(ICAL_XROOT_COMPONENT); + icalcomponent_add_component(impl->data, data); + } else { + impl->data = icalcomponent_new_clone(data); + } + } else { + impl->data = icalcomponent_new(ICAL_XROOT_COMPONENT); + } + + return impl; +} + +/** + * Deep clone an icalcluster to a new one + */ + +icalcluster *icalcluster_new_clone(const icalcluster *data) { + struct icalcluster_impl *old = (struct icalcluster_impl *)data; + struct icalcluster_impl *impl = icalcluster_new_impl(); + + impl->key = strdup(old->key); + impl->data = icalcomponent_new_clone(old->data); + impl->changed = 0; + + return impl; +} + + +void icalcluster_free(icalcluster *impl) { + icalerror_check_arg_rv((impl!=0),"cluster"); + + if (impl->key != 0){ + free(impl->key); + impl->key = 0; + } + + if (impl->data != 0){ + icalcomponent_free(impl->data); + impl->data = 0; + } + + free(impl); +} + + +const char *icalcluster_key(icalcluster *impl) { + icalerror_check_arg_rz((impl!=0),"cluster"); + + return impl->key; +} + + +int icalcluster_is_changed(icalcluster *impl) { + icalerror_check_arg_rz((impl!=0),"cluster"); + + return impl->changed; +} + + +void icalcluster_mark(icalcluster *impl) { + icalerror_check_arg_rv((impl!=0),"cluster"); + + impl->changed = 1; +} + + +void icalcluster_commit(icalcluster *impl) { + icalerror_check_arg_rv((impl!=0),"cluster"); + + impl->changed = 0; +} + + +icalcomponent *icalcluster_get_component(icalcluster *impl) { + + icalerror_check_arg_rz((impl!=0),"cluster"); + + if (icalcomponent_isa(impl->data) != ICAL_XROOT_COMPONENT) { + icalerror_warn("The top component is not an XROOT"); + fprintf(stderr, "%s\n", icalcomponent_as_ical_string(impl->data)); + abort(); + } + + return impl->data; +} + + +icalerrorenum icalcluster_add_component(icalcluster *impl, icalcomponent* child) { + + icalerror_check_arg_re((impl!=0),"cluster", ICAL_BADARG_ERROR); + icalerror_check_arg_re((child!=0),"child",ICAL_BADARG_ERROR); + + icalcomponent_add_component(impl->data, child); + icalcluster_mark(impl); + + return ICAL_NO_ERROR; +} + + +icalerrorenum icalcluster_remove_component(icalcluster *impl, icalcomponent* child) { + + icalerror_check_arg_re((impl!=0),"cluster",ICAL_BADARG_ERROR); + icalerror_check_arg_re((child!=0),"child",ICAL_BADARG_ERROR); + + icalcomponent_remove_component(impl->data,child); + icalcluster_mark(impl); + + return ICAL_NO_ERROR; +} + + +int icalcluster_count_components(icalcluster *impl, icalcomponent_kind kind) { + + icalerror_check_arg_re((impl!=0),"cluster",ICAL_BADARG_ERROR); + + return icalcomponent_count_components(impl->data, kind); +} + + +/** Iterate through components **/ +icalcomponent *icalcluster_get_current_component(icalcluster* impl) { + + icalerror_check_arg_rz((impl!=0),"cluster"); + + return icalcomponent_get_current_component(impl->data); +} + + +icalcomponent *icalcluster_get_first_component(icalcluster* impl) { + + icalerror_check_arg_rz((impl!=0),"cluster"); + + return icalcomponent_get_first_component(impl->data, + ICAL_ANY_COMPONENT); +} + + +icalcomponent *icalcluster_get_next_component(icalcluster* impl) { + + icalerror_check_arg_rz((impl!=0),"cluster"); + + return icalcomponent_get_next_component(impl->data, + ICAL_ANY_COMPONENT); +} |