Initial import of xbps with code as August '09.

--HG-- extra : convert_revision : juan%40xbps-20090817170720-amxxac4a2e8bza1j
2009-08-17 19:07:20 +02:00
commit 3f3b6d00dd
52 changed files with 8657 additions and 0 deletions
--- a/lib/plist.c
+++ b/lib/plist.c
@ -0,0 +1,458 @@
+/*-
+ * Copyright (c) 2008-2009 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.h>
+
+static prop_dictionary_t regpkgdb_dict;
+static bool regpkgdb_initialized;
+
+bool
+xbps_add_obj_to_dict(prop_dictionary_t dict, prop_object_t obj,
+		       const char *key)
+{
+	assert(dict != NULL);
+	assert(obj != NULL);
+	assert(key != NULL);
+
+	if (!prop_dictionary_set(dict, key, obj)) {
+		prop_object_release(dict);
+		return false;
+	}
+
+	prop_object_release(obj);
+	return true;
+}
+
+bool
+xbps_add_obj_to_array(prop_array_t array, prop_object_t obj)
+{
+	assert(array != NULL);
+	assert(obj != NULL);
+
+	if (!prop_array_add(array, obj)) {
+		prop_object_release(array);
+		return false;
+	}
+
+	prop_object_release(obj);
+	return true;
+}
+
+int
+xbps_callback_array_iter_in_repolist(int (*fn)(prop_object_t, void *, bool *),
+				     void *arg)
+{
+	prop_dictionary_t repolistd;
+	const char *rootdir;
+	char *plist;
+	int rv = 0;
+
+	assert(fn != NULL);
+
+	rootdir = xbps_get_rootdir();
+	plist = xbps_xasprintf("%s/%s/%s", rootdir,
+	    XBPS_META_PATH, XBPS_REPOLIST);
+	if (plist == NULL)
+		return EINVAL;
+
+	/*
+	 * Get the dictionary with the list of registered repositories.
+	 */
+	repolistd = prop_dictionary_internalize_from_file(plist);
+	if (repolistd == NULL)
+                return EINVAL;
+
+	/*
+	 * Iterate over the repository pool and run the associated
+	 * callback function. The loop is stopped when the bool
+	 * argument is true or the cb returns non 0.
+	 */
+	rv = xbps_callback_array_iter_in_dict(repolistd, "repository-list",
+		fn, arg);
+	prop_object_release(repolistd);
+	free(plist);
+
+	return rv;
+}
+
+int
+xbps_callback_array_iter_in_dict(prop_dictionary_t dict, const char *key,
+				 int (*fn)(prop_object_t, void *, bool *),
+				 void *arg)
+{
+	prop_object_iterator_t iter;
+	prop_object_t obj;
+	int rv = 0;
+	bool cbloop_done = false;
+
+	assert(dict != NULL);
+	assert(key != NULL);
+	assert(fn != NULL);
+
+	iter = xbps_get_array_iter_from_dict(dict, key);
+	if (iter == NULL)
+		return EINVAL;
+
+	while ((obj = prop_object_iterator_next(iter))) {
+		rv = (*fn)(obj, arg, &cbloop_done);
+		if (rv != 0 || cbloop_done)
+			break;
+	}
+
+	prop_object_iterator_release(iter);
+	return rv;
+}
+
+int
+xbps_callback_array_iter_reverse_in_dict(prop_dictionary_t dict,
+    const char *key, int (*fn)(prop_object_t, void *, bool *), void *arg)
+{
+	prop_array_t array;
+	prop_object_t obj;
+	int rv = 0;
+	bool cbloop_done = false;
+	unsigned int cnt = 0;
+
+	assert(dict != NULL);
+	assert(key != NULL);
+	assert(fn != NULL);
+
+	array = prop_dictionary_get(dict, key);
+	if (array == NULL || prop_object_type(array) != PROP_TYPE_ARRAY)
+		return EINVAL;
+
+	if ((cnt = prop_array_count(array)) == 0)
+		return 0;
+
+	while (cnt--) {
+		obj = prop_array_get(array, cnt);
+		rv = (*fn)(obj, arg, &cbloop_done);
+		if (rv != 0 || cbloop_done)
+			break;
+	}
+
+	return rv;
+}
+
+prop_dictionary_t
+xbps_find_pkg_from_plist(const char *plist, const char *pkgname)
+{
+	prop_dictionary_t dict, obj, res;
+
+	assert(plist != NULL);
+	assert(pkgname != NULL);
+
+	dict = prop_dictionary_internalize_from_file(plist);
+	if (dict == NULL) {
+		errno = ENOENT;
+		return NULL;
+	}
+
+	obj = xbps_find_pkg_in_dict(dict, "packages", pkgname);
+	if (obj == NULL) {
+		prop_object_release(dict);
+		errno = ENOENT;
+		return NULL;
+	}
+
+	res = prop_dictionary_copy(obj);
+	prop_object_release(dict);
+
+	return res;
+}
+
+prop_dictionary_t
+xbps_find_pkg_installed_from_plist(const char *pkgname)
+{
+	prop_dictionary_t d, pkgd;
+	pkg_state_t state = 0;
+
+	d = xbps_prepare_regpkgdb_dict();
+	if (d == NULL)
+		return NULL;
+
+	pkgd = xbps_find_pkg_in_dict(d, "packages", pkgname);
+	if (pkgd == NULL)
+		return NULL;
+
+	if (xbps_get_pkg_state_installed(pkgname, &state) != 0)
+		return NULL;
+
+	switch (state) {
+	case XBPS_PKG_STATE_INSTALLED:
+	case XBPS_PKG_STATE_UNPACKED:
+		return prop_dictionary_copy(pkgd);
+	default:
+		return NULL;
+	}
+}
+
+prop_dictionary_t
+xbps_find_pkg_in_dict(prop_dictionary_t dict, const char *key,
+		      const char *pkgname)
+{
+	prop_object_iterator_t iter;
+	prop_object_t obj;
+	const char *dpkgn;
+
+	assert(dict != NULL);
+	assert(pkgname != NULL);
+	assert(key != NULL);
+
+	iter = xbps_get_array_iter_from_dict(dict, key);
+	if (iter == NULL)
+		return NULL;
+
+	while ((obj = prop_object_iterator_next(iter))) {
+		prop_dictionary_get_cstring_nocopy(obj, "pkgname", &dpkgn);
+		if (strcmp(dpkgn, pkgname) == 0)
+			break;
+	}
+	prop_object_iterator_release(iter);
+
+	return obj;
+}
+
+prop_dictionary_t
+xbps_prepare_regpkgdb_dict(void)
+{
+	const char *rootdir;
+	char *plist;
+
+	if (regpkgdb_initialized == false) {
+		rootdir = xbps_get_rootdir();
+		plist = xbps_xasprintf("%s/%s/%s", rootdir,
+		    XBPS_META_PATH, XBPS_REGPKGDB);
+		if (plist == NULL)
+			return NULL;
+
+		regpkgdb_dict = prop_dictionary_internalize_from_file(plist);
+		if (regpkgdb_dict == NULL) {
+			free(plist);
+			return NULL;
+		}
+		free(plist);
+		regpkgdb_initialized = true;
+	}
+
+	return regpkgdb_dict;
+}
+
+void
+xbps_release_regpkgdb_dict(void)
+{
+	if (regpkgdb_initialized == false)
+		return;
+
+	prop_object_release(regpkgdb_dict);
+	regpkgdb_dict = NULL;
+	regpkgdb_initialized = false;
+}
+
+bool
+xbps_find_string_in_array(prop_array_t array, const char *val)
+{
+	prop_object_iterator_t iter;
+	prop_object_t obj;
+
+	assert(array != NULL);
+	assert(val != NULL);
+
+	iter = prop_array_iterator(array);
+	if (iter == NULL)
+		return false;
+
+	while ((obj = prop_object_iterator_next(iter)) != NULL) {
+		if (prop_object_type(obj) != PROP_TYPE_STRING)
+			continue;
+		if (prop_string_equals_cstring(obj, val)) {
+			prop_object_iterator_release(iter);
+			return true;
+		}
+	}
+
+	prop_object_iterator_release(iter);
+	return false;
+}
+
+prop_object_iterator_t
+xbps_get_array_iter_from_dict(prop_dictionary_t dict, const char *key)
+{
+	prop_array_t array;
+
+	assert(dict != NULL);
+	assert(key != NULL);
+
+	array = prop_dictionary_get(dict, key);
+	if (array == NULL || prop_object_type(array) != PROP_TYPE_ARRAY)
+		return NULL;
+
+	return prop_array_iterator(array);
+}
+
+int
+xbps_remove_string_from_array(prop_array_t array, const char *str)
+{
+	prop_object_t obj;
+	prop_object_iterator_t iter;
+	size_t idx = 0;
+	bool found = false;
+
+	assert(array != NULL);
+	assert(str != NULL);
+
+	iter = prop_array_iterator(array);
+	if (iter == NULL)
+		return ENOMEM;
+
+	while ((obj = prop_object_iterator_next(iter)) != NULL) {
+		if (prop_object_type(obj) != PROP_TYPE_STRING)
+			continue;
+		if (prop_string_equals_cstring(obj, str)) {
+			found = true;
+			break;
+		}
+		idx++;
+	}
+	prop_object_iterator_release(iter);
+	if (found == false)
+		return ENOENT;
+
+	prop_array_remove(array, idx);
+
+	return 0;
+}
+
+int
+xbps_remove_pkg_from_dict(prop_dictionary_t dict, const char *key,
+			  const char *pkgname)
+{
+	prop_array_t array;
+	prop_object_t obj;
+	prop_object_iterator_t iter;
+	const char *curpkgname;
+	size_t i = 0;
+	bool found = false;
+
+	assert(dict != NULL);
+	assert(key != NULL);
+	assert(pkgname != NULL);
+
+	array = prop_dictionary_get(dict, key);
+	if (array == NULL || prop_object_type(array) != PROP_TYPE_ARRAY)
+		return EINVAL;
+
+	iter = prop_array_iterator(array);
+	if (iter == NULL)
+		return errno;
+
+	/* Iterate over the array of dictionaries to find its index. */
+	while ((obj = prop_object_iterator_next(iter))) {
+		prop_dictionary_get_cstring_nocopy(obj, "pkgname",
+		    &curpkgname);
+		if ((curpkgname && (strcmp(curpkgname, pkgname) == 0))) {
+			found = true;
+			break;
+		}
+		i++;
+	}
+	prop_object_iterator_release(iter);
+	if (found == true)
+		prop_array_remove(array, i);
+	else
+		return ENOENT;
+
+	return 0;
+}
+
+int
+xbps_remove_pkg_dict_from_file(const char *pkg, const char *plist)
+{
+	prop_dictionary_t pdict;
+	int rv = 0;
+
+	assert(pkg != NULL);
+	assert(plist != NULL);
+
+	pdict = prop_dictionary_internalize_from_file(plist);
+	if (pdict == NULL)
+		return errno;
+
+	rv = xbps_remove_pkg_from_dict(pdict, "packages", pkg);
+	if (rv != 0) {
+		prop_object_release(pdict);
+		return rv;
+	}
+
+	if (!prop_dictionary_externalize_to_file(pdict, plist)) {
+		prop_object_release(pdict);
+		return errno;
+	}
+
+	prop_object_release(pdict);
+
+	return 0;
+}
+
+prop_dictionary_t
+xbps_read_dict_from_archive_entry(struct archive *ar,
+				  struct archive_entry *entry)
+{
+	prop_dictionary_t d;
+	size_t buflen = 0;
+	ssize_t nbytes = -1;
+	char *buf;
+
+	assert(ar != NULL);
+	assert(entry != NULL);
+
+	buflen = (size_t)archive_entry_size(entry);
+	buf = malloc(buflen);
+	if (buf == NULL)
+		return NULL;
+
+	nbytes = archive_read_data(ar, buf, buflen);
+	if ((size_t)nbytes != buflen) {
+		free(buf);
+		return NULL;
+	}
+
+	d = prop_dictionary_internalize(buf);
+	free(buf);
+	if (d == NULL)
+		return NULL;
+	else if (prop_object_type(d) != PROP_TYPE_DICTIONARY) {
+		prop_object_release(d);
+		return NULL;
+	}
+
+	return d;
+}