Diffstat (limited to 'libical/src/libicalss/icalset.c') (more/less context) (ignore whitespace changes)
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1 files changed, 367 insertions, 0 deletions
diff --git a/libical/src/libicalss/icalset.c b/libical/src/libicalss/icalset.c new file mode 100644 index 0000000..2120609 --- a/dev/null +++ b/libical/src/libicalss/icalset.c @@ -0,0 +1,367 @@ +/* -*- Mode: C -*- */ +/*====================================================================== + FILE: icalset.c + CREATOR: eric 17 Jul 2000 + + + Icalset is the "base class" for representations of a collection of + iCal components. Derived classes (actually delegates) include: + + icalfileset Store components 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 + + +======================================================================*/ + +#include "ical.h" +#include "icalset.h" +#include "icalfileset.h" +#include "icalfilesetimpl.h" +#include "icaldirset.h" +#include "icaldirsetimpl.h" +#include <stdlib.h> +/*#include "icalheapset.h"*/ +/*#include "icalmysqlset.h"*/ + +#define ICALSET_ID "set " + +struct icalset_fp { + 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, icalcomponent* 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 *new); + icalcomponent* (*get_current_component)(icalset* set); + icalcomponent* (*get_first_component)(icalset* set); + icalcomponent* (*get_next_component)(icalset* set); +}; + +struct icalset_fp icalset_dirset_fp = { + icaldirset_free, + icaldirset_path, + icaldirset_mark, + icaldirset_commit, + icaldirset_add_component, + icaldirset_remove_component, + icaldirset_count_components, + icaldirset_select, + icaldirset_clear, + icaldirset_fetch, + icaldirset_fetch_match, + icaldirset_has_uid, + icaldirset_modify, + icaldirset_get_current_component, + icaldirset_get_first_component, + icaldirset_get_next_component +}; + + +struct icalset_fp icalset_fileset_fp = { + icalfileset_free, + icalfileset_path, + icalfileset_mark, + icalfileset_commit, + icalfileset_add_component, + icalfileset_remove_component, + icalfileset_count_components, + icalfileset_select, + icalfileset_clear, + icalfileset_fetch, + icalfileset_fetch_match, + icalfileset_has_uid, + icalfileset_modify, + icalfileset_get_current_component, + icalfileset_get_first_component, + icalfileset_get_next_component +}; + +struct icalset_impl { + + char id[5]; /* "set " */ + + void *derived_impl; + struct icalset_fp *fp; +}; + +/* Figure out what was actually passed in as the set. This could be a + set or and of the derived types such as dirset or fileset. Note + this routine returns a value, not a reference, to avoid memory + leaks in the methods */ +struct icalset_impl icalset_get_impl(icalset* set) +{ + struct icalset_impl impl; + + memset(&impl,0,sizeof(impl)); + icalerror_check_arg_re( (set!=0),"set",impl); + + if(strcmp((char*)set,ICALSET_ID)==0) { + /* It is actually a set, so just sent the reference back out. */ + return *(struct icalset_impl*)set; + } else if(strcmp((char*)set,ICALFILESET_ID)==0) { + /* Make a new set from the fileset */ + impl.fp = &icalset_fileset_fp; + impl.derived_impl = set; + strcpy(impl.id,ICALFILESET_ID);/* HACK. Is this necessary? */ + return impl; + } else if(strcmp((char*)set,ICALDIRSET_ID)==0) { + /* Make a new set from the dirset */ + impl.fp = &icalset_dirset_fp; + impl.derived_impl = set; + strcpy(impl.id,ICALDIRSET_ID);/* HACK. Is this necessary? */ + return impl; + } else { + /* The type of set is unknown, so throw an error */ + icalerror_assert((0),"Unknown set type"); + return impl; + } +} + + +struct icalset_impl* icalset_new_impl() +{ + + struct icalset_impl* impl; + + if ( ( impl = (struct icalset_impl*) + malloc(sizeof(struct icalset_impl))) == 0) { + icalerror_set_errno(ICAL_NEWFAILED_ERROR); + return 0; + } + + strcpy(impl->id,ICALSET_ID); + + impl->derived_impl = 0; + impl->fp = 0; + + return impl; +} + +struct icalset_impl* icalset_new_file_from_ref(icalfileset *fset) +{ + struct icalset_impl *impl = icalset_new_impl(); + + icalerror_check_arg_rz( (fset!=0),"fset"); + + if(impl == 0){ + free(impl); + return 0; + } + + impl->derived_impl = fset; + + if (impl->derived_impl == 0){ + free(impl); + return 0; + } + + impl->fp = &icalset_fileset_fp; + + return (struct icalset_impl*)impl; +} + +icalset* icalset_new_file(const char* path) +{ + icalfileset *fset = icalfileset_new(path); + + if(fset == 0){ + return 0; + } + + return (icalset*)icalset_new_file_from_ref(fset); +} + +icalset* icalset_new_dir_from_ref(icaldirset *dset) +{ + + struct icalset_impl *impl = icalset_new_impl(); + + icalerror_check_arg_rz( (dset!=0),"dset"); + + if(impl == 0){ + return 0; + } + + impl->derived_impl = dset; + + if (impl->derived_impl == 0){ + free(impl); + return 0; + } + + impl->fp = &icalset_dirset_fp; + + return impl; +} + +icalset* icalset_new_dir(const char* path) +{ + icaldirset *dset = icaldirset_new(path); + + if(dset == 0){ + return 0; + } + + return icalset_new_dir_from_ref(dset); +} + +icalset* icalset_new_heap(void) +{ + struct icalset_impl *impl = icalset_new_impl(); + + + if(impl == 0){ + free(impl); + return 0; + } + + return 0; +} + +icalset* icalset_new_mysql(const char* path) +{ + struct icalset_impl *impl = icalset_new_impl(); + + if(impl == 0){ + free(impl); + return 0; + } + + return 0; +} + +void icalset_free(icalset* set) +{ + struct icalset_impl impl = icalset_get_impl(set); + (*(impl.fp->free))(impl.derived_impl); + + if(strcmp((char*)set,ICALSET_ID)) { + free(set); + } +} + +const char* icalset_path(icalset* set) +{ + struct icalset_impl impl = icalset_get_impl(set); + return (*(impl.fp->path))(impl.derived_impl); +} + +void icalset_mark(icalset* set) +{ + struct icalset_impl impl = icalset_get_impl(set); + (*(impl.fp->mark))(impl.derived_impl); +} + +icalerrorenum icalset_commit(icalset* set) +{ + struct icalset_impl impl = icalset_get_impl(set); + return (*(impl.fp->commit))(impl.derived_impl); +} + +icalerrorenum icalset_add_component(icalset* set, icalcomponent* comp) +{ + struct icalset_impl impl = icalset_get_impl(set); + return (*(impl.fp->add_component))(impl.derived_impl,comp); +} + +icalerrorenum icalset_remove_component(icalset* set, icalcomponent* comp) +{ + struct icalset_impl impl = icalset_get_impl(set); + return (*(impl.fp->remove_component))(impl.derived_impl,comp); +} + +int icalset_count_components(icalset* set,icalcomponent_kind kind) +{ + struct icalset_impl impl = icalset_get_impl(set); + return (*(impl.fp->count_components))(impl.derived_impl,kind); +} + +icalerrorenum icalset_select(icalset* set, icalcomponent* gauge) +{ + struct icalset_impl impl = icalset_get_impl(set); + return (*(impl.fp->select))(impl.derived_impl,gauge); +} + +void icalset_clear(icalset* set) +{ + struct icalset_impl impl = icalset_get_impl(set); + (*(impl.fp->clear))(impl.derived_impl); +} + +icalcomponent* icalset_fetch(icalset* set, const char* uid) +{ + struct icalset_impl impl = icalset_get_impl(set); + return (*(impl.fp->fetch))(impl.derived_impl,uid); +} + +icalcomponent* icalset_fetch_match(icalset* set, icalcomponent *comp) +{ + struct icalset_impl impl = icalset_get_impl(set); + return (*(impl.fp->fetch_match))(impl.derived_impl,comp); +} + + +int icalset_has_uid(icalset* set, const char* uid) +{ + struct icalset_impl impl = icalset_get_impl(set); + return (*(impl.fp->has_uid))(impl.derived_impl,uid); +} + +icalerrorenum icalset_modify(icalset* set, icalcomponent *old, + icalcomponent *new) +{ + struct icalset_impl impl = icalset_get_impl(set); + return (*(impl.fp->modify))(impl.derived_impl,old,new); +} + +icalcomponent* icalset_get_current_component(icalset* set) +{ + struct icalset_impl impl = icalset_get_impl(set); + return (*(impl.fp->get_current_component))(impl.derived_impl); +} + +icalcomponent* icalset_get_first_component(icalset* set) +{ + struct icalset_impl impl = icalset_get_impl(set); + return (*(impl.fp->get_first_component))(impl.derived_impl); +} + +icalcomponent* icalset_get_next_component(icalset* set) +{ + struct icalset_impl impl = icalset_get_impl(set); + return (*(impl.fp->get_next_component))(impl.derived_impl); +} + + + + |