291 lines
6.6 KiB
C
291 lines
6.6 KiB
C
/*-
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* Copyright (c) 2008-2009 Juan Romero Pardines.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <limits.h>
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#include <prop/proplib.h>
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#include <xbps_api.h>
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bool
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xbps_add_obj_to_dict(prop_dictionary_t dict, prop_object_t obj,
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const char *key)
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{
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assert(dict != NULL);
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assert(obj != NULL);
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assert(key != NULL);
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if (!prop_dictionary_set(dict, key, obj)) {
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prop_object_release(dict);
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return false;
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}
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prop_object_release(obj);
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return true;
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}
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bool
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xbps_add_obj_to_array(prop_array_t array, prop_object_t obj)
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{
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assert(array != NULL);
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assert(obj != NULL);
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if (!prop_array_add(array, obj)) {
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prop_object_release(array);
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return false;
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}
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prop_object_release(obj);
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return true;
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}
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int
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xbps_callback_array_iter_in_repolist(int (*fn)(prop_object_t, void *, bool *),
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void *arg)
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{
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prop_dictionary_t repolistd;
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char *plist;
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int rv = 0;
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assert(fn != NULL);
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plist = xbps_append_full_path(true, NULL, XBPS_REPOLIST);
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if (plist == NULL)
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return EINVAL;
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/*
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* Get the dictionary with the list of registered repositories.
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*/
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repolistd = prop_dictionary_internalize_from_file(plist);
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if (repolistd == NULL)
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return EINVAL;
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/*
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* Iterate over the repository pool and run the associated
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* callback function. The loop is stopped when the bool
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* argument is true or the cb returns non 0.
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*/
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rv = xbps_callback_array_iter_in_dict(repolistd, "repository-list",
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fn, arg);
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prop_object_release(repolistd);
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free(plist);
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return rv;
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}
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int
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xbps_callback_array_iter_in_dict(prop_dictionary_t dict, const char *key,
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int (*fn)(prop_object_t, void *, bool *),
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void *arg)
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{
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prop_object_iterator_t iter;
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prop_object_t obj;
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int rv = 0;
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bool cbloop_done = false;
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assert(dict != NULL);
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assert(key != NULL);
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assert(fn != NULL);
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iter = xbps_get_array_iter_from_dict(dict, key);
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if (iter == NULL)
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return EINVAL;
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while ((obj = prop_object_iterator_next(iter))) {
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rv = (*fn)(obj, arg, &cbloop_done);
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if (rv != 0 || cbloop_done)
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break;
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}
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prop_object_iterator_release(iter);
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return rv;
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}
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prop_dictionary_t
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xbps_find_pkg_from_plist(const char *plist, const char *pkgname)
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{
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prop_dictionary_t dict, obj, res;
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assert(plist != NULL);
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assert(pkgname != NULL);
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dict = prop_dictionary_internalize_from_file(plist);
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if (dict == NULL) {
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errno = ENOENT;
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return NULL;
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}
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obj = xbps_find_pkg_in_dict(dict, "packages", pkgname);
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if (obj == NULL) {
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prop_object_release(dict);
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errno = ENOENT;
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return NULL;
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}
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res = prop_dictionary_copy(obj);
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prop_object_release(dict);
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return res;
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}
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prop_dictionary_t
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xbps_find_pkg_installed_from_plist(const char *pkgname)
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{
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prop_dictionary_t pkgd;
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char *plist;
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plist = xbps_append_full_path(true, NULL, XBPS_REGPKGDB);
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if (plist == NULL)
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return NULL;
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pkgd = xbps_find_pkg_from_plist(plist, pkgname);
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free(plist);
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return pkgd;
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}
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prop_dictionary_t
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xbps_find_pkg_in_dict(prop_dictionary_t dict, const char *key,
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const char *pkgname)
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{
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prop_object_iterator_t iter;
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prop_object_t obj;
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const char *dpkgn;
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assert(dict != NULL);
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assert(pkgname != NULL);
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assert(key != NULL);
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iter = xbps_get_array_iter_from_dict(dict, key);
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if (iter == NULL)
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return NULL;
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while ((obj = prop_object_iterator_next(iter))) {
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prop_dictionary_get_cstring_nocopy(obj, "pkgname", &dpkgn);
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if (strcmp(dpkgn, pkgname) == 0)
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break;
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}
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prop_object_iterator_release(iter);
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return obj;
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}
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bool
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xbps_find_string_in_array(prop_array_t array, const char *val)
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{
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prop_object_iterator_t iter;
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prop_object_t obj;
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assert(array != NULL);
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assert(val != NULL);
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iter = prop_array_iterator(array);
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if (iter == NULL)
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return false;
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while ((obj = prop_object_iterator_next(iter)) != NULL) {
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if (prop_object_type(obj) != PROP_TYPE_STRING)
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continue;
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if (prop_string_equals_cstring(obj, val)) {
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prop_object_iterator_release(iter);
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return true;
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}
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}
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prop_object_iterator_release(iter);
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return false;
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}
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prop_object_iterator_t
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xbps_get_array_iter_from_dict(prop_dictionary_t dict, const char *key)
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{
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prop_array_t array;
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assert(dict != NULL);
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assert(key != NULL);
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array = prop_dictionary_get(dict, key);
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if (array == NULL || prop_object_type(array) != PROP_TYPE_ARRAY)
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return NULL;
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return prop_array_iterator(array);
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}
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bool
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xbps_remove_pkg_dict_from_file(const char *pkg, const char *plist)
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{
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prop_dictionary_t pdict;
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prop_array_t array;
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prop_object_t obj;
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prop_object_iterator_t iter;
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const char *curpkg;
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size_t i = 0;
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assert(pkg != NULL);
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assert(plist != NULL);
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pdict = prop_dictionary_internalize_from_file(plist);
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if (pdict == NULL)
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return false;
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array = prop_dictionary_get(pdict, "packages");
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if (array == NULL || prop_object_type(array) != PROP_TYPE_ARRAY)
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return false;
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iter = prop_array_iterator(array);
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if (iter == NULL)
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return false;
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/* Iterate over the array of dictionaries to find its index. */
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while ((obj = prop_object_iterator_next(iter))) {
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prop_dictionary_get_cstring_nocopy(obj, "pkgname", &curpkg);
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if ((curpkg && (strcmp(curpkg, pkg) == 0))) {
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/* Found, remove it and write plist file. */
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prop_array_remove(array, i);
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prop_object_iterator_release(iter);
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goto wr_plist;
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}
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i++;
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}
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prop_object_iterator_release(iter);
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prop_object_release(pdict);
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errno = ENODEV;
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return false;
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wr_plist:
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if (!prop_dictionary_externalize_to_file(pdict, plist)) {
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prop_object_release(pdict);
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return false;
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}
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prop_object_release(pdict);
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return true;
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}
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