1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
3 * Copyright (C) 2008 Christophe Fergeau <teuf@gnome.org>
4 * Based on itdb_plist parser from the gtkpod project.
6 * The code contained in this file is free software; you can redistribute
7 * it and/or modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either version
9 * 2.1 of the License, or (at your option) any later version.
11 * This file is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this code; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #include "empathy-plist.h"
25 #include <libxml/tree.h>
26 #include <telepathy-glib/telepathy-glib.h>
28 static GValue *empathy_plist_parse_node (xmlNode *a_node);
31 empathy_plist_parse_integer (xmlNode *a_node)
37 str_val = (char *) xmlNodeGetContent (a_node);
38 int_val = strtol (str_val, &end_ptr, 0);
39 if (*end_ptr != '\0') {
45 return tp_g_value_slice_new_int (int_val);
49 empathy_plist_parse_string (xmlNode *a_node)
54 str_val = (char *) xmlNodeGetContent (a_node);
56 value = tp_g_value_slice_new_string (str_val);
64 empathy_plist_parse_real (xmlNode *a_node)
70 str_val = (char *) xmlNodeGetContent (a_node);
71 double_val = g_ascii_strtod (str_val, &end_ptr);
72 if (*end_ptr != '\0') {
78 return tp_g_value_slice_new_double (double_val);
82 empathy_plist_parse_boolean (xmlNode *a_node)
86 if (strcmp ((char *) a_node->name, "true") == 0) {
88 } else if (strcmp ((char *) a_node->name, "false") == 0) {
94 return tp_g_value_slice_new_boolean (bool_val);
98 empathy_plist_parse_data (xmlNode *a_node)
105 str_val = (char *) xmlNodeGetContent (a_node);
106 raw_data = g_base64_decode (str_val, &len);
109 value = tp_g_value_slice_new_bytes (len, raw_data);
117 empathy_plist_parse_one_dict_entry (xmlNode *a_node, GHashTable *dict)
119 xmlNode *cur_node = a_node;
124 (xmlStrcmp (cur_node->name, (xmlChar *) "key") != 0)) {
125 cur_node = cur_node->next;
130 key_name = xmlNodeGetContent (cur_node);
131 cur_node = cur_node->next;
132 while (cur_node && xmlIsBlankNode (cur_node)) {
133 cur_node = cur_node->next;
140 value = empathy_plist_parse_node (cur_node);
142 g_hash_table_insert (dict, g_strdup ((char *) key_name), value);
146 return cur_node->next;
150 empathy_plist_parse_dict (xmlNode *a_node)
152 xmlNode *cur_node = a_node->children;
155 dict = g_hash_table_new_full (g_str_hash, g_str_equal,
156 g_free, (GDestroyNotify) tp_g_value_slice_free);
159 if (xmlIsBlankNode (cur_node)) {
160 cur_node = cur_node->next;
162 cur_node = empathy_plist_parse_one_dict_entry (cur_node, dict);
166 return tp_g_value_slice_new_take_boxed (G_TYPE_HASH_TABLE, dict);
169 typedef GValue *(*ParseCallback) (xmlNode *);
172 const char * const type_name;
173 ParseCallback parser;
176 static const struct Parser parsers[] = { {"integer", empathy_plist_parse_integer},
177 {"real", empathy_plist_parse_real},
178 {"string", empathy_plist_parse_string},
179 {"true", empathy_plist_parse_boolean},
180 {"false", empathy_plist_parse_boolean},
181 {"data", empathy_plist_parse_data},
182 {"dict", empathy_plist_parse_dict},
186 empathy_plist_get_parser_for_type (const xmlChar *type)
190 while (parsers[i].type_name) {
191 if (xmlStrcmp (type, (xmlChar *) parsers[i].type_name) == 0) {
192 if (parsers[i].parser) {
193 return parsers[i].parser;
202 empathy_plist_parse_node (xmlNode *a_node)
204 ParseCallback parser;
206 g_return_val_if_fail (a_node != NULL, NULL);
207 parser = empathy_plist_get_parser_for_type (a_node->name);
209 return parser (a_node);
216 empathy_plist_parse (xmlNode * a_node)
223 if (xmlStrcmp (a_node->name, (xmlChar *) "plist") != 0) {
226 cur_node = a_node->xmlChildrenNode;
227 while (cur_node && (xmlIsBlankNode (cur_node))) {
228 cur_node = cur_node->next;
231 return empathy_plist_parse_node (cur_node);
238 * empathy_plist_parse_from_file:
239 * @filename: file containing XML plist data to parse
241 * Parses the XML plist file. If an error occurs during the parsing,
242 * empathy_plist_parse_from_file() will return NULL.
244 * Returns: NULL on error, a newly allocated
245 * #GValue otherwise. Free it using tp_g_value_slice_free()
248 empathy_plist_parse_from_file (const char *filename)
251 xmlNode *root_element = NULL;
254 doc = xmlReadFile (filename, NULL, 0);
260 root_element = xmlDocGetRootElement (doc);
262 parsed_doc = empathy_plist_parse (root_element);
270 * empathy_plist_parse_from_memory:
271 * @data: memory location containing XML plist data to parse
272 * @len: length in bytes of the string to parse
274 * Parses the XML plist file stored in @data which length is @len
275 * bytes. If an error occurs during the parsing,
276 * empathy_plist_parse_from_memory() will return NULL.
278 * Returns: NULL on error, a newly allocated
279 * #GValue otherwise. Free it using tp_g_value_slice_free()
282 empathy_plist_parse_from_memory (const char *data, gsize len)
285 xmlNode *root_element = NULL;
288 doc = xmlReadMemory (data, len, "noname.xml", NULL, 0);
294 root_element = xmlDocGetRootElement (doc);
296 parsed_doc = empathy_plist_parse (root_element);