plist_match.c

/*-
 * Copyright (c) 2008-2015 Juan Romero Pardines.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
 
#include "xbps_api_impl.h"
 
/**
 * @file lib/plist_find.c
 * @brief PropertyList generic routines
 * @defgroup plist PropertyList generic functions
 *
 * These functions manipulate plist files and objects shared by almost
 * all library functions.
 */
bool
xbps_match_virtual_pkg_in_array(xbps_array_t a, const char *str)
{
        if (xbps_pkgpattern_version(str)) {
                if (xbps_match_pkgdep_in_array(a, str) ||
                    xbps_match_pkgpattern_in_array(a, str))
                return true;
        } else if (xbps_pkg_version(str)) {
                return xbps_match_string_in_array(a, str);
        } else {
                return xbps_match_pkgname_in_array(a, str);
        }
        return false;
}
 
bool
xbps_match_virtual_pkg_in_dict(xbps_dictionary_t d, const char *str)
{
        xbps_array_t provides;
 
        assert(xbps_object_type(d) == XBPS_TYPE_DICTIONARY);
 
        if ((provides = xbps_dictionary_get(d, "provides")))
                return xbps_match_virtual_pkg_in_array(provides, str);
 
        return false;
}
 
bool
xbps_match_any_virtualpkg_in_rundeps(xbps_array_t rundeps,
                                     xbps_array_t provides)
{
        xbps_object_t obj, obj2;
        xbps_object_iterator_t iter, iter2;
        const char *vpkgver, *pkgpattern;
 
        iter = xbps_array_iterator(provides);
        assert(iter);
 
        while ((obj = xbps_object_iterator_next(iter))) {
                vpkgver = xbps_string_cstring_nocopy(obj);
                iter2 = xbps_array_iterator(rundeps);
                assert(iter2);
                while ((obj2 = xbps_object_iterator_next(iter2))) {
                        pkgpattern = xbps_string_cstring_nocopy(obj2);
                        if (xbps_pkgpattern_match(vpkgver, pkgpattern)) {
                                xbps_object_iterator_release(iter2);
                                xbps_object_iterator_release(iter);
                                return true;
                        }
                }
                xbps_object_iterator_release(iter2);
        }
        xbps_object_iterator_release(iter);
 
        return false;
}
 
static bool
match_string_in_array(xbps_array_t array, const char *str, int mode)
{
        xbps_object_iterator_t iter;
        xbps_object_t obj;
        const char *pkgdep;
        char pkgname[XBPS_NAME_SIZE];
        bool found = false;
 
        assert(xbps_object_type(array) == XBPS_TYPE_ARRAY);
        assert(str != NULL);
 
        iter = xbps_array_iterator(array);
        assert(iter);
 
        while ((obj = xbps_object_iterator_next(iter))) {
                if (mode == 0) {
                        /* match by string */
                        if (xbps_string_equals_cstring(obj, str)) {
                                found = true;
                                break;
                        }
                } else if (mode == 1) {
                        /* match by pkgname against pkgver */
                        pkgdep = xbps_string_cstring_nocopy(obj);
                        if (!xbps_pkg_name(pkgname, XBPS_NAME_SIZE, pkgdep))
                                break;
                        if (strcmp(pkgname, str) == 0) {
                                found = true;
                                break;
                        }
                } else if (mode == 2) {
                        /* match by pkgver against pkgname */
                        pkgdep = xbps_string_cstring_nocopy(obj);
                        if (!xbps_pkg_name(pkgname, XBPS_NAME_SIZE, str))
                                break;
                        if (strcmp(pkgname, pkgdep) == 0) {
                                found = true;
                                break;
                        }
                } else if (mode == 3) {
                        /* match pkgpattern against pkgdep */
                        pkgdep = xbps_string_cstring_nocopy(obj);
                        if (xbps_pkgpattern_match(pkgdep, str)) {
                                found = true;
                                break;
                        }
                } else if (mode == 4) {
                        /* match pkgdep against pkgpattern */
                        pkgdep = xbps_string_cstring_nocopy(obj);
                        if (xbps_pkgpattern_match(str, pkgdep)) {
                                found = true;
                                break;
                        }
                }
        }
        xbps_object_iterator_release(iter);
 
        return found;
}
 
bool
xbps_match_string_in_array(xbps_array_t array, const char *str)
{
        return match_string_in_array(array, str, 0);
}
 
bool
xbps_match_pkgname_in_array(xbps_array_t array, const char *pkgname)
{
        return match_string_in_array(array, pkgname, 1);
}
 
bool
xbps_match_pkgver_in_array(xbps_array_t array, const char *pkgver)
{
        return match_string_in_array(array, pkgver, 2);
}
 
bool
xbps_match_pkgpattern_in_array(xbps_array_t array, const char *pattern)
{
        return match_string_in_array(array, pattern, 3);
}
 
bool
xbps_match_pkgdep_in_array(xbps_array_t array, const char *pkgver)
{
        return match_string_in_array(array, pkgver, 4);
}