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authorzautrix <zautrix>2004-06-29 11:59:46 (UTC)
committer zautrix <zautrix>2004-06-29 11:59:46 (UTC)
commitda43dbdc6c82453228f34766fc74585615cba938 (patch) (side-by-side diff)
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New lib ical.Some minor changes as well.
Diffstat (limited to 'libical/src/libicalss/icalcluster.c') (more/less context) (ignore whitespace changes)
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diff --git a/libical/src/libicalss/icalcluster.c b/libical/src/libicalss/icalcluster.c
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+/* -*- 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);
+}