131 lines
3.8 KiB
C
131 lines
3.8 KiB
C
/*-
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* Copyright (c) 2008-2011 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 "xbps_api_impl.h"
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/**
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* @file lib/regpkgdb_dictionary.c
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* @brief Package register database routines
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* @defgroup regpkgdb Package register database functions
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*
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* These functions will initialize and release (resources of)
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* the registered packages database plist file (defined by XBPS_REGPKGDB).
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*
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* The returned dictionary by xbps_regpkgs_dictionary_init() uses
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* the structure as shown in the next graph:
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*
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* @image html images/xbps_regpkgdb_dictionary.png
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*
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* Legend:
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* - <b>Salmon filled box</b>: \a XBPS_REGPKGDB_PLIST file internalized.
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* - <b>White filled box</b>: mandatory objects.
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* - <b>Grey filled box</b>: optional objects.
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* - <b>Green filled box</b>: possible value set in the object, only one
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* of them is set.
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*
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* Text inside of white boxes are the key associated with the object, its
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* data type is specified on its edge, i.e array, bool, integer, string,
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* dictionary.
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*/
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static bool regpkgdb_initialized;
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int HIDDEN
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xbps_regpkgdb_dictionary_init(struct xbps_handle *xhp)
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{
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char *plist;
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if (regpkgdb_initialized)
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return 0;
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plist = xbps_xasprintf("%s/%s/%s", xhp->rootdir,
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XBPS_META_PATH, XBPS_REGPKGDB);
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if (plist == NULL)
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return ENOMEM;
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xhp->regpkgdb_dictionary =
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prop_dictionary_internalize_from_zfile(plist);
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if (xhp->regpkgdb_dictionary == NULL) {
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free(plist);
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if (errno != ENOENT)
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xbps_dbg_printf("[regpkgdb] cannot internalize "
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"regpkgdb dictionary: %s\n", strerror(errno));
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return errno;
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}
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free(plist);
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regpkgdb_initialized = true;
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xbps_dbg_printf("[regpkgdb] initialized ok.\n");
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return 0;
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}
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void HIDDEN
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xbps_regpkgdb_dictionary_release(void)
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{
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struct xbps_handle *xhp;
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if (!regpkgdb_initialized)
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return;
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xhp = xbps_handle_get();
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prop_object_release(xhp->regpkgdb_dictionary);
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regpkgdb_initialized = false;
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xbps_dbg_printf("[regpkgdb] released ok.\n");
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}
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int
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xbps_regpkgdb_foreach_pkg_cb(int (*fn)(prop_object_t, void *, bool *),
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void *arg)
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{
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prop_array_t array;
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prop_object_t obj;
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struct xbps_handle *xhp = xbps_handle_get();
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size_t i;
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int rv;
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bool done = false;
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/* initialize regpkgdb */
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if ((rv = xbps_regpkgdb_dictionary_init(xhp)) != 0)
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return rv;
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array = prop_dictionary_get(xhp->regpkgdb_dictionary, "packages");
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if (prop_object_type(array) != PROP_TYPE_ARRAY)
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return EINVAL;
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for (i = 0; i < prop_array_count(array); i++) {
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obj = prop_array_get(array, i);
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rv = (*fn)(obj, arg, &done);
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if (rv != 0 || done)
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break;
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}
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return rv;
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}
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