void
xml_reader_move_up_to_depth (XmlReader *reader,
gint depth)
{
g_return_if_fail(XML_IS_READER(reader));
while (xml_reader_get_depth(reader) > depth)
xml_reader_read_end_element(reader);
}
static gboolean
news_format_rss_read_from_xml (NewsFormatRss *rss,
XmlReader *reader,
NewsFeed *feed,
GError **error)
{
GHashTable *categories = NULL;
GHashTable *persons = NULL;
GHashTable *links = NULL;
GomAdapter *adapter;
gchar *str;
ENTRY;
g_return_val_if_fail(NEWS_IS_FORMAT_RSS(rss), FALSE);
g_return_val_if_fail(XML_IS_READER(reader), FALSE);
g_return_val_if_fail(NEWS_IS_FEED(feed), FALSE);
adapter = news_format_get_adapter(NEWS_FORMAT(rss));
g_assert(adapter);
skip:
if (!xml_reader_read_to_next(reader) ||
!xml_reader_is_a(reader, "rss")) {
if (xml_reader_is_a(reader, "xml-stylesheet") ||
xml_reader_is_a(reader, "#comment")) {
goto skip;
}
RETURN_ERROR;
}
if (!xml_reader_is_a_local(reader, "rss")) {
RETURN_ERROR;
}
if ((str = xml_reader_get_attribute(reader, "version"))) {
if (!!g_strcmp0(str, "2.0")) {
g_set_error(error, XML_READER_ERROR, XML_READER_ERROR_INVALID,
_("RSS Version \"%s\" is not supported."), str);
g_free(str);
RETURN(FALSE);
}
g_free(str);
}
if (!xml_reader_read_start_element(reader, "channel")) {
RETURN_ERROR;
}
persons = g_hash_table_new_full(g_str_hash, g_str_equal,
g_free, g_object_unref);
categories = g_hash_table_new_full(g_str_hash, g_str_equal,
g_free, g_object_unref);
links = g_hash_table_new_full(g_str_hash, g_str_equal,
g_free, g_object_unref);
xml_reader_read(reader);
for (xml_reader_read_to_next(reader);
xml_reader_get_node_type(reader) != XML_READER_TYPE_END_ELEMENT;
xml_reader_read_to_next(reader)) {
if ((xml_reader_get_node_type(reader) != XML_READER_TYPE_ELEMENT) || rss->priv->error) {
g_hash_table_destroy(categories);
g_hash_table_destroy(persons);
g_hash_table_destroy(links);
RETURN_ERROR;
}
if (xml_reader_is_a_local(reader, "title")) {
str = xml_reader_read_string(reader);
g_object_set(feed, "title", str, NULL);
g_free(str);
} else if (xml_reader_is_a_local(reader, "link")) {
GomCollection *collection;
NewsLink *link_;
g_object_get(feed, "links", &collection, NULL);
if ((link_ = news_format_rss_read_link(rss, reader, links))) {
gom_collection_add_resource(collection, GOM_RESOURCE(link_));
g_object_unref(link_);
}
g_object_unref(collection);
} else if (xml_reader_is_a_local(reader, "description")) {
str = xml_reader_read_string(reader);
g_object_set(feed, "description", str, NULL);
g_free(str);
xml_reader_read_end_element(reader);
} else if (xml_reader_is_a_local(reader, "language")) {
str = xml_reader_read_string(reader);
g_object_set(feed, "language", str, NULL);
g_free(str);
} else if (xml_reader_is_a_local(reader, "copyright")) {
str = xml_reader_read_string(reader);
g_object_set(feed, "copyright", str, NULL);
g_free(str);
} else if (xml_reader_is_a_local(reader, "managingEditor")) {
GomCollection *collection;
NewsPerson *person;
g_object_get(feed, "authors", &collection, NULL);
if ((person = news_format_rss_read_person(rss, reader, persons))) {
gom_collection_add_resource(collection, GOM_RESOURCE(person));
g_object_unref(person);
}
g_object_unref(collection);
} else if (xml_reader_is_a_local(reader, "pubDate") ||
xml_reader_is_a_local(reader, "lastBuildDate")) {
GDateTime *dt;
GTimeVal tv;
if ((str = xml_reader_read_string(reader))) {
if (g_time_val_from_iso8601(str, &tv)) {
if ((dt = g_date_time_new_from_timeval_utc(&tv))) {
g_object_set(feed,
"last-updated-at", dt,
NULL);
g_date_time_unref(dt);
}
}
g_free(str);
}
} else if (xml_reader_is_a_local(reader, "category")) {
GomCollection *collection;
NewsCategory *category;
g_object_get(feed, "categories", &collection, NULL);
if ((category = news_format_rss_read_category(rss, reader, categories))) {
gom_collection_add_resource(collection, GOM_RESOURCE(category));
g_object_unref(category);
}
g_object_unref(collection);
} else if (xml_reader_is_a_local(reader, "generator")) {
str = xml_reader_read_string(reader);
g_object_set(feed, "generator", str, NULL);
g_free(str);
} else if (xml_reader_is_a_local(reader, "item")) {
GomCollection *collection;
NewsItem *item;
g_object_get(feed, "items", &collection, NULL);
item = g_object_new(NEWS_TYPE_ITEM,
"adapter", adapter,
"is-new", TRUE,
NULL);
if (news_format_rss_read_item(rss, reader, item, persons, categories, links)) {
gom_collection_add_resource(collection,
GOM_RESOURCE(item));
}
g_object_unref(item);
g_object_unref(collection);
}
}
g_hash_table_destroy(categories);
g_hash_table_destroy(links);
g_hash_table_destroy(persons);
RETURN(TRUE);
}
static gboolean
news_format_rss_read_item (NewsFormatRss *rss,
XmlReader *reader,
NewsItem *item,
GHashTable *persons,
GHashTable *categories,
GHashTable *links)
{
gchar *str;
xml_reader_read(reader);
for (;
xml_reader_get_node_type(reader) != XML_READER_TYPE_END_ELEMENT;
xml_reader_read_to_next(reader)) {
if (rss->priv->error) {
break;
}
if (xml_reader_is_a_local(reader, "author")) {
GomCollection *collection;
NewsPerson *person;
g_object_get(item, "authors", &collection, NULL);
if ((person = news_format_rss_read_person(rss, reader, persons))) {
gom_collection_add_resource(collection, GOM_RESOURCE(person));
g_object_unref(person);
}
g_object_unref(collection);
} else if (xml_reader_is_a_local(reader, "category")) {
GomCollection *collection;
NewsCategory *category;
g_object_get(item, "categories", &collection, NULL);
if ((category = news_format_rss_read_category(rss, reader, categories))) {
gom_collection_add_resource(collection, GOM_RESOURCE(category));
g_object_unref(category);
}
g_object_unref(collection);
} else if (xml_reader_is_a_local(reader, "link")) {
GomCollection *collection;
NewsLink *link_;
g_object_get(item, "links", &collection, NULL);
if ((link_ = news_format_rss_read_link(rss, reader, links))) {
gom_collection_add_resource(collection, GOM_RESOURCE(link_));
g_object_unref(link_);
}
g_object_unref(collection);
} else if (xml_reader_is_a_local(reader, "guid")) {
str = xml_reader_read_string(reader);
g_object_set(item, "item-id", str, NULL);
g_free(str);
} else if (xml_reader_is_a_local(reader, "description")) {
str = xml_reader_read_inner_xml(reader);
g_object_set(item, "summary", str, NULL);
g_free(str);
xml_reader_read_end_element(reader);
} else if (xml_reader_is_a_local(reader, "title")) {
str = xml_reader_read_string(reader);
g_object_set(item, "title", str, NULL);
g_free(str);
} else if (xml_reader_is_a_local(reader, "pubDate")) {
GDateTime *dt;
GTimeVal tv;
if ((str = xml_reader_read_string(reader))) {
if (g_time_val_from_iso8601(str, &tv)) {
if ((dt = g_date_time_new_from_timeval_utc(&tv))) {
g_object_set(item,
"last-updated-at", dt,
NULL);
g_date_time_unref(dt);
}
}
g_free(str);
}
} else if (xml_reader_is_a_local(reader, "source")) {
/*
* TODO:
*/
}
}
xml_reader_read_end_element(reader);
return TRUE;
}
