xbps-bin: simplify previous.

--HG--
extra : convert_revision : 30d4433b86c4a60fe56a98cb011f3534273818b3

utils/plist_utils.c

@@ -62,6 +62,21 @@ xbps_add_obj_to_array(prop_array_t array, prop_object_t obj)
 	return true;
 }
 
+prop_object_iterator_t
+xbps_get_array_iter_from_dict(prop_dictionary_t dict, const char *key)
+{
+	prop_array_t array;
+
+	if (dict == NULL || key == NULL)
+		return NULL;
+
+	array = prop_dictionary_get(dict, key);
+	if (array == NULL || prop_object_type(array) != PROP_TYPE_ARRAY)
+		return NULL;
+
+	return prop_array_iterator(array);
+}
+
 prop_dictionary_t
 xbps_find_pkg_in_dict(prop_dictionary_t dict, const char *key,
 		      const char *pkgname)
@@ -197,27 +212,13 @@ fail:
 void
 xbps_list_pkgs_in_dict(prop_dictionary_t dict, const char *key)
 {
-	prop_array_t array;
-	prop_object_t obj;
 	prop_object_iterator_t iter;
+	prop_object_t obj;
 	const char *pkgname, *version, *short_desc;
 
-	if (dict == NULL || key == NULL) {
-		printf("%s: NULL dict/key\n", __func__);
-		exit(1);
-	}
-
-	array = prop_dictionary_get(dict, key);
-	if (array == NULL || prop_object_type(array) != PROP_TYPE_ARRAY) {
-		printf("%s: NULL or incorrect array type\n", __func__);
-		exit(1);
-	}
-
-	iter = prop_array_iterator(array);
-	if (iter == NULL) {
-		printf("%s: NULL iter\n", __func__);
-		exit(1);
-	}
+	iter = xbps_get_array_iter_from_dict(dict, key);
+	if (iter == NULL)
+		return;
 
 	while ((obj = prop_object_iterator_next(iter))) {
 		prop_dictionary_get_cstring_nocopy(obj, "pkgname", &pkgname);
@@ -232,15 +233,12 @@ xbps_list_pkgs_in_dict(prop_dictionary_t dict, const char *key)
 }
 
 void
-xbps_list_strings_in_array(prop_array_t array)
+xbps_list_strings_in_array(prop_dictionary_t dict, const char *key)
 {
 	prop_object_iterator_t iter;
 	prop_object_t obj;
 
-	if (array == NULL)
-		return;
-
-	iter = prop_array_iterator(array);
+	iter = xbps_get_array_iter_from_dict(dict, key);
 	if (iter == NULL)
 		return;
 

utils/plist_utils.h

@@ -76,6 +76,18 @@ xbps_find_pkg_in_dict(prop_dictionary_t, const char *, const char *);
 bool
 xbps_find_string_in_array(prop_array_t, const char *);
 
+/*
+ * Gets an array iterator from a dictionary with a specified key.
+ *
+ * Arguments:
+ * 	- prop_dictionary_t: dictionary to search the array.
+ * 	- const char *: key of the array.
+ *
+ * Returns the object iterator, NULL otherwise.
+ */
+prop_object_iterator_t
+xbps_get_array_iter_from_dict(prop_dictionary_t, const char *);
+
 /*
  * Lists information about all packages found in a dictionary, by
  * using a triplet: pkgname, version and short_desc.
@@ -88,13 +100,14 @@ void
 xbps_list_pkgs_in_dict(prop_dictionary_t, const char *);
 
 /*
- * Lists all string values in an array.
+ * Lists all string values in an array object in a dictionary.
  *
  * Arguments:
- * 	- prop_array_t: array where to search on.
+ * 	- prop_dictionary_t: dictionary that has the array.
+ * 	- const char *: key of the array.
  */
 void
-xbps_list_strings_in_array(prop_array_t);
+xbps_list_strings_in_array(prop_dictionary_t, const char *);
 
 /*
  * Registers a repository specified by an URI into the pool.

utils/xbps-bin.c

@@ -94,7 +94,6 @@ int
 main(int argc, char **argv)
 {
 	prop_dictionary_t dict;
-	prop_array_t array;
 	repo_info_t *rinfo = NULL;
 	char pkgindex[PATH_MAX], *tmp;
 
@@ -158,9 +157,7 @@ main(int argc, char **argv)
 			exit(EINVAL);
 		}
 
-		array = prop_dictionary_get(dict, "repository-list");
-		if (array)
-			xbps_list_strings_in_array(array);
+		xbps_list_strings_in_array(dict, "repository-list");
 
 	} else if (strcmp(argv[1], "show") == 0) {
 		/* Shows info about a binary package. */