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Diffstat (limited to 'libical/src/libicalss/icalcluster.c')
-rw-r--r-- | libical/src/libicalss/icalcluster.c | 398 |
1 files changed, 0 insertions, 398 deletions
diff --git a/libical/src/libicalss/icalcluster.c b/libical/src/libicalss/icalcluster.c deleted file mode 100644 index c0160cc6c3..0000000000 --- a/libical/src/libicalss/icalcluster.c +++ /dev/null @@ -1,398 +0,0 @@ -/* -*- Mode: C -*- - ====================================================================== - FILE: icalcluster.c - CREATOR: eric 23 December 1999 - - $Id$ - $Locker$ - - (C) COPYRIGHT 1999 Eric Busboom - http://www.softwarestudio.org - - The contents of this file are subject to the Mozilla Public License - Version 1.0 (the "License"); you may not use this file except in - compliance with the License. You may obtain a copy of the License at - http://www.mozilla.org/MPL/ - - Software distributed under the License is distributed on an "AS IS" - basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - the License for the specific language governing rights and - limitations under the License. - - The Original Code is eric. The Initial Developer of the Original - Code is Eric Busboom - - - ======================================================================*/ - - -#include "icalcluster.h" -#include <errno.h> -#include <limits.h> /* For PATH_MAX */ -#include <sys/stat.h> /* for stat */ -#include <unistd.h> /* for stat, getpid */ -#include <stdlib.h> -#include <string.h> - -struct icalcluster_impl { - char *path; - icalcomponent* cluster; - int changed; -}; - -icalcluster* icalcluster_new_impl() -{ - struct icalcluster_impl* comp; - - if ( ( comp = (struct icalcluster_impl*) - malloc(sizeof(struct icalcluster_impl))) == 0) { - icalerror_set_errno(ICAL_NEWFAILED_ERROR); - errno = ENOMEM; - return 0; - } - - return comp; -} - -icalerrorenum icalcluster_create_cluster(char *path) -{ - - FILE* f; - int r; - icalcomponent *c; - struct icaltimetype tt; - - icalerror_clear_errno(); - - f = fopen(path,"w"); - - if (f == 0){ - icalerror_set_errno(ICAL_FILE_ERROR); - return ICAL_FILE_ERROR; - } - - /* Create the root component in the cluster. This component holds - all of the other components and stores a count of - components. */ - - memset(&tt,0,sizeof(struct icaltimetype)); - - c = icalcomponent_vanew( - ICAL_VCALENDAR_COMPONENT, - icalproperty_new_xlicclustercount(0), - icalproperty_new_dtstart(tt), /* dtstart of earliest comp */ - icalproperty_new_dtend(tt), /* dtend of latest comp, excl. recuring */ - 0 - ); - - if (c == 0){ - fclose(f); - icalerror_set_errno(ICAL_INTERNAL_ERROR); - return ICAL_INTERNAL_ERROR; - } - - - /* Write the base component to the file */ - r = fputs(icalcomponent_as_ical_string(c),f); - - fclose(f); - - icalcomponent_free(c); - - if (r == EOF){ - icalerror_set_errno(ICAL_FILE_ERROR); - return ICAL_FILE_ERROR; - } - - return ICAL_NO_ERROR; -} - -FILE* parser_file; /*HACK. Not Thread Safe */ -char* read_from_file(char *s, size_t size) -{ - char *c = fgets(s,size, parser_file); - return c; -} - -icalerrorenum icalcluster_load(icalcluster* cluster, char* path) -{ - struct icalcluster_impl *impl = (struct icalcluster_impl*)cluster; - icalerrorenum error; - errno = 0; - - icalerror_check_arg_rz((cluster!=0),"cluster"); - icalerror_check_arg_rz((path!=0),"path"); - - if(impl->path != 0 && strcmp(impl->path,path) == 0){ - /* Already have the right cluster, so return */ - return ICAL_NO_ERROR; - } - - error = icalcluster_commit(cluster); - - if (error != ICAL_NO_ERROR){ - icalerror_set_errno(error); - return error; - } - - free(impl->path); - - impl->path= (char*)strdup(path); - - parser_file = fopen(impl->path,"r"); - - /* HACK. Yeah, the following code is horrible....*/ - if (parser_file ==0 || errno != 0){ - - /* Try to create the cluster */ - error = icalcluster_create_cluster(path); - - if (error == ICAL_NO_ERROR){ - /* Try to open the parser again. */ - errno = 0; - parser_file = fopen(impl->path,"r"); - - if (parser_file ==0 || errno != 0){ - impl->cluster = 0; - icalerror_set_errno(ICAL_FILE_ERROR); - return ICAL_FILE_ERROR; - } - } else { - impl->cluster = 0; - icalerror_set_errno(error); /* Redundant, actually */ - return error; - } - } - - impl->cluster = icalparser_parse(read_from_file); - - fclose(parser_file); - - if (impl->cluster == 0){ - icalerror_set_errno(ICAL_PARSE_ERROR); - return ICAL_PARSE_ERROR; - } - - return ICAL_NO_ERROR; -} - - -icalcluster* icalcluster_new(char* path) -{ - struct icalcluster_impl *impl = icalcluster_new_impl(); - struct stat sbuf; - int createclusterfile = 0; - icalerrorenum error; - - icalerror_clear_errno(); - icalerror_check_arg_rz( (path!=0), "path"); - - if (impl == 0){ - return 0; - } - - /*impl->path = strdup(path); icalcluster_load does this */ - impl->changed = 0; - impl->cluster = 0; - impl->path = 0; - - /* Check if the path already exists and if it is a regular file*/ - if (stat(path,&sbuf) != 0){ - - /* A file by the given name does not exist, or there was - another error */ - - if (errno == ENOENT) { - /* It was because the file does not exist */ - createclusterfile = 1; - } else { - /* It was because of another error */ - icalerror_set_errno(ICAL_FILE_ERROR); - return 0; - } - } else { - /* A file by the given name exists, but is it a regular file */ - - if (!S_ISREG(sbuf.st_mode)){ - /* Nope, not a directory */ - icalerror_set_errno(ICAL_FILE_ERROR); - return 0; - } else { - /* Lets assume that it is a file of the right type */ - createclusterfile = 0; - } - } - - /* if cluster does not already exist, create it */ - - if (createclusterfile == 1) { - error = icalcluster_create_cluster(path); - - if (error != ICAL_NO_ERROR){ - icalerror_set_errno(error); - return 0; - } - } - - error = icalcluster_load(impl,path); - - if (error != ICAL_NO_ERROR){ - return 0; - } - - return impl; -} - -void icalcluster_free(icalcluster* cluster) -{ - struct icalcluster_impl *impl = (struct icalcluster_impl*)cluster; - - icalerror_check_arg_rv((cluster!=0),"cluster"); - - if (impl->cluster != 0){ - icalcluster_commit(cluster); - icalcomponent_free(impl->cluster); - impl->cluster=0; - } - - if(impl->path != 0){ - free(impl->path); - impl->path = 0; - } - - free(impl); -} - -icalerrorenum icalcluster_commit(icalcluster* cluster) -{ - int ws; /* Size in char of file written to disk */ - FILE *f; - - struct icalcluster_impl *impl = (struct icalcluster_impl*)cluster; - - icalerror_check_arg_re((impl!=0),"cluster",ICAL_BADARG_ERROR); - - if (impl->changed != 0 ){ - /* write the cluster to disk */ - - /* Construct a filename and write out the file */ - - if ( (f = fopen(impl->path,"w")) != 0){ - - char* str = icalcomponent_as_ical_string(impl->cluster); - - ws = fwrite(str,sizeof(char),strlen(str),f); - - if ( ws < strlen(str)){ - fclose(f); - return ICAL_FILE_ERROR; - } - - fclose(f); - impl->changed = 0; - return ICAL_NO_ERROR; - } else { - icalerror_set_errno(ICAL_FILE_ERROR); - return ICAL_FILE_ERROR; - } - - } - - return ICAL_NO_ERROR; -} - -void icalcluster_mark(icalcluster* cluster){ - - struct icalcluster_impl *impl = (struct icalcluster_impl*)cluster; - - icalerror_check_arg_rv((impl!=0),"cluster"); - - impl->changed = 1; - -} - -icalcomponent* icalcluster_get_component(icalcluster* cluster){ - struct icalcluster_impl *impl = (struct icalcluster_impl*)cluster; - - icalerror_check_arg_re((impl!=0),"cluster",ICAL_BADARG_ERROR); - - return impl->cluster; -} - - -/* manipulate the components in the cluster */ - -icalerrorenum icalcluster_add_component(icalcluster *cluster, - icalcomponent* child) -{ - struct icalcluster_impl* impl = (struct icalcluster_impl*)cluster; - - icalerror_check_arg_rv((cluster!=0),"cluster"); - icalerror_check_arg_rv((child!=0),"child"); - - icalcomponent_add_component(impl->cluster,child); - - icalcluster_mark(cluster); - - return ICAL_NO_ERROR; - -} - -icalerrorenum icalcluster_remove_component(icalcluster *cluster, - icalcomponent* child) -{ - struct icalcluster_impl* impl = (struct icalcluster_impl*)cluster; - - icalerror_check_arg_rv((cluster!=0),"cluster"); - icalerror_check_arg_rv((child!=0),"child"); - - icalcomponent_remove_component(impl->cluster,child); - - icalcluster_mark(cluster); - - return ICAL_NO_ERROR; -} - -int icalcluster_count_components(icalcluster *cluster, - icalcomponent_kind kind) -{ - struct icalcluster_impl* impl = (struct icalcluster_impl*)cluster; - - if(cluster == 0){ - icalerror_set_errno(ICAL_BADARG_ERROR); - return -1; - } - - return icalcomponent_count_components(impl->cluster,kind); -} - -/* Iterate through components */ -icalcomponent* icalcluster_get_current_component (icalcluster* cluster) -{ - struct icalcluster_impl* impl = (struct icalcluster_impl*)cluster; - - icalerror_check_arg_rz((cluster!=0),"cluster"); - - return icalcomponent_get_current_component(impl->cluster); -} - -icalcomponent* icalcluster_get_first_component(icalcluster* cluster, - icalcomponent_kind kind) -{ - struct icalcluster_impl* impl = (struct icalcluster_impl*)cluster; - - icalerror_check_arg_rz((cluster!=0),"cluster"); - - return icalcomponent_get_first_component(impl->cluster,kind); -} - -icalcomponent* icalcluster_get_next_component(icalcluster* cluster, - icalcomponent_kind kind) -{ - struct icalcluster_impl* impl = (struct icalcluster_impl*)cluster; - - icalerror_check_arg_rz((cluster!=0),"cluster"); - - return icalcomponent_get_next_component(impl->cluster,kind); -} - |