/**
* grss_feeds_store_add_item_in_channel:
* @store: a #GrssFeedsStore.
* @channel: parent feed for the new item.
* @item: new item to permanently save.
*
* To save a new #GrssFeedItem into the @store. It performs a check to grant
* @item is not already saved.
*/
void
grss_feeds_store_add_item_in_channel (GrssFeedsStore *store, GrssFeedChannel *channel, GrssFeedItem *item)
{
if (grss_feeds_store_has_item (store, channel, grss_feed_item_get_id (item)) == FALSE)
GRSS_FEEDS_STORE_GET_CLASS (store)->add_item_in_channel (store, channel, item);
}
static gchar*
feed_rss_formatter_format (GrssFeedFormatter *formatter)
{
const gchar *str;
const gchar *title;
const gchar *link;
gchar *formatted;
time_t date;
GList *iter;
GList *items;
GrssPerson *person;
const GList *list;
GString *text;
GrssFeedChannel *channel;
GrssFeedItem *item;
/*
Based on http://cyber.law.harvard.edu/rss/examples/rss2sample.xml
*/
text = g_string_new ("<?xml version=\"1.0\"?>\n<rss version=\"2.0\">\n");
channel = grss_feed_formatter_get_channel (formatter);
items = grss_feed_formatter_get_items (formatter);
if (channel != NULL) {
g_string_append_printf (text, "<channel>\n");
title = grss_feed_channel_get_title (channel);
if (title != NULL)
g_string_append_printf (text, "\t<title>%s</title>\n", title);
else
title = "";
str = grss_feed_channel_get_description (channel);
if (str != NULL)
g_string_append_printf (text, "\t<description>%s</description>\n", str);
link = grss_feed_channel_get_homepage (channel);
if (link != NULL)
g_string_append_printf (text, "\t<link>%s</link>\n", link);
else
link = "";
str = grss_feed_channel_get_copyright (channel);
if (str != NULL)
g_string_append_printf (text, "\t<copyright>%s</copyright>\n", str);
person = grss_feed_channel_get_editor (channel);
if (person != NULL)
// TODO: implement handling additional attrs
g_string_append_printf (text, "\t<managingEditor>%s</managingEditor>\n", grss_person_get_name (person));
str = grss_feed_channel_get_generator (channel);
if (str != NULL)
g_string_append_printf (text, "\t<generator>%s</generator>\n", str);
date = grss_feed_channel_get_update_time (channel);
formatted = date_to_ISO8601 (date);
g_string_append_printf (text, "\t<pubDate>%s</pubDate>\n", formatted);
g_free (formatted);
str = grss_feed_channel_get_image (channel);
if (str != NULL) {
g_string_append_printf (text, "\t<image>\n");
g_string_append_printf (text, "\t\t<title>%s</title>\n", title);
g_string_append_printf (text, "\t\t<url>%s</url>\n", str);
g_string_append_printf (text, "\t\t<link>%s</link>\n", link);
g_string_append_printf (text, "\t</image>\n");
}
for (iter = items; iter; iter = iter->next) {
item = iter->data;
g_string_append (text, "\t<item>\n");
str = grss_feed_item_get_title (item);
if (str != NULL)
g_string_append_printf (text, "\t\t<title>%s</title>\n", str);
str = grss_feed_item_get_id (item);
if (str != NULL)
g_string_append_printf (text, "\t\t<guid>%s</guid>\n", str);
str = grss_feed_item_get_source (item);
if (str != NULL)
g_string_append_printf (text, "\t\t<link>%s</link>\n", str);
str = grss_feed_item_get_description (item);
if (str != NULL)
g_string_append_printf (text, "\t\t<description>%s</description>\n", str);
person = grss_feed_item_get_author (item);
if (person != NULL)
// FIXME: implement adding email and uri
g_string_append_printf (text, "\t\t<author>%s</author>\n", grss_person_get_name (person));
date = grss_feed_item_get_publish_time (item);
formatted = date_to_ISO8601 (date);
g_string_append_printf (text, "\t\t<pubDate>%s</pubDate>\n", formatted);
g_free (formatted);
g_string_append (text, "\t</item>\n");
}
}
g_string_append (text, "</channel>\n</rss>");
return g_string_free (text, FALSE);
}
static gchar*
feed_atom_formatter_format (GrssFeedFormatter *formatter)
{
const gchar *str;
gchar *formatted;
time_t date;
GList *iter;
GList *items;
const GList *list;
GString *text;
GrssFeedChannel *channel;
GrssFeedItem *item;
text = g_string_new ("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<feed xmlns=\"http://www.w3.org/2005/Atom\">\n");
channel = grss_feed_formatter_get_channel (formatter);
items = grss_feed_formatter_get_items (formatter);
if (channel != NULL) {
str = grss_feed_channel_get_title (channel);
if (str != NULL)
g_string_append_printf (text, "\t<title>%s</title>\n", str);
str = grss_feed_channel_get_description (channel);
if (str != NULL)
g_string_append_printf (text, "\t<subtitle>%s</subtitle>\n", str);
str = grss_feed_channel_get_homepage (channel);
if (str != NULL)
g_string_append_printf (text, "\t<link href=\"%s\" />\n", str);
str = grss_feed_channel_get_copyright (channel);
if (str != NULL)
g_string_append_printf (text, "\t<rights>%s</rights>\n", str);
str = grss_feed_channel_get_editor (channel);
if (str != NULL)
g_string_append_printf (text, "\t<author>%s</author>\n", str);
str = grss_feed_channel_get_generator (channel);
if (str != NULL)
g_string_append_printf (text, "\t<generator>%s</generator>\n", str);
list = grss_feed_channel_get_contributors (channel);
while (list != NULL) {
g_string_append_printf (text, "\t<contributor>%s</contributor>\n", (gchar*) list->data);
list = list->next;
}
date = grss_feed_channel_get_update_time (channel);
if (date == 0)
date = grss_feed_channel_get_publish_time (channel);
formatted = date_to_ISO8601 (date);
g_string_append_printf (text, "\t<updated>%s</updated>\n", formatted);
g_free (formatted);
str = grss_feed_channel_get_icon (channel);
if (str != NULL)
g_string_append_printf (text, "\t<icon>%s</icon>\n", str);
str = grss_feed_channel_get_image (channel);
if (str != NULL)
g_string_append_printf (text, "\t<logo>%s</logo>\n", str);
for (iter = items; iter; iter = iter->next) {
item = iter->data;
g_string_append (text, "\t<entry>\n");
str = grss_feed_item_get_title (item);
if (str != NULL)
g_string_append_printf (text, "\t\t<title>%s</title>\n", str);
str = grss_feed_item_get_id (item);
if (str != NULL)
g_string_append_printf (text, "\t\t<id>%s</id>\n", str);
str = grss_feed_item_get_source (item);
if (str != NULL)
g_string_append_printf (text, "\t\t<link href=\"%s\" />\n", str);
str = grss_feed_item_get_description (item);
if (str != NULL)
g_string_append_printf (text, "\t\t<summary>%s</summary>\n", str);
str = grss_feed_item_get_author (item);
if (str != NULL)
g_string_append_printf (text, "\t\t<author>%s</author>\n", str);
str = grss_feed_item_get_copyright (item);
if (str != NULL)
g_string_append_printf (text, "\t\t<rights>%s</rights>\n", str);
list = grss_feed_item_get_contributors (item);
while (list != NULL) {
g_string_append_printf (text, "\t\t<contributor>%s</contributor>\n", (gchar*) list->data);
list = list->next;
}
date = grss_feed_item_get_publish_time (item);
formatted = date_to_ISO8601 (date);
g_string_append_printf (text, "\t\t<published>%s</published>\n", formatted);
g_free (formatted);
g_string_append (text, "\t</entry>\n");
}
}
g_string_append (text, "</feed>");
return g_string_free (text, FALSE);
}
static GrssFeedItem*
parse_rss_item (FeedRssHandler *parser, GrssFeedChannel *feed, xmlDocPtr doc, xmlNodePtr cur)
{
gchar *tmp;
gchar *tmp2;
gchar *tmp3;
time_t t;
GrssFeedItem *item;
g_assert (cur != NULL);
item = grss_feed_item_new (feed);
/* try to get an item about id */
tmp = (gchar*) xmlGetProp (cur, BAD_CAST"about");
if (tmp) {
grss_feed_item_set_id (item, tmp);
grss_feed_item_set_source (item, tmp);
g_free (tmp);
}
cur = cur->xmlChildrenNode;
while (cur) {
if (cur->type != XML_ELEMENT_NODE || !cur->name) {
cur = cur->next;
continue;
}
/* check namespace of this tag */
if (cur->ns) {
if (ns_handler_item (parser->priv->handler, item, cur)) {
cur = cur->next;
continue;
}
}
if (!xmlStrcmp (cur->name, BAD_CAST"category")) {
tmp = (gchar*) xmlNodeListGetString (doc, cur->xmlChildrenNode, 1);
if (tmp) {
grss_feed_item_add_category (item, tmp);
g_free (tmp);
}
}
else if (!xmlStrcmp (cur->name, BAD_CAST"author")) {
tmp = (gchar*) xmlNodeListGetString (doc, cur->xmlChildrenNode, 1);
if (tmp) {
grss_feed_item_set_author (item, tmp);
g_free (tmp);
}
}
else if (!xmlStrcmp (cur->name, BAD_CAST"comments")) {
tmp = (gchar*) xmlNodeListGetString (doc, cur->xmlChildrenNode, 1);
if (tmp) {
grss_feed_item_set_comments_url (item, tmp);
g_free (tmp);
}
}
else if (!xmlStrcmp (cur->name, BAD_CAST"pubDate")) {
tmp = (gchar*) xmlNodeListGetString (doc, cur->xmlChildrenNode, 1);
if (tmp) {
t = date_parse_RFC822 (tmp);
grss_feed_item_set_publish_time (item, t);
g_free (tmp);
}
}
else if (!xmlStrcmp (cur->name, BAD_CAST"enclosure")) {
/* RSS 0.93 allows multiple enclosures */
tmp = (gchar*) xmlGetProp (cur, BAD_CAST"url");
if (tmp) {
gchar *type = (gchar*) xmlGetProp (cur, BAD_CAST"type");
gssize length = 0;
GrssFeedEnclosure *enclosure;
tmp2 = (gchar*) xmlGetProp (cur, BAD_CAST"length");
if (tmp2) {
length = atol (tmp2);
xmlFree (tmp2);
}
tmp3 = (gchar*) grss_feed_channel_get_homepage (feed);
if ((strstr (tmp, "://") == NULL) &&
(tmp3 != NULL) &&
(strstr (tmp3, "://") != NULL)) {
/* add base URL if necessary and possible */
tmp2 = g_strdup_printf ("%s/%s", tmp3, tmp);
xmlFree (tmp);
tmp = tmp2;
}
enclosure = grss_feed_enclosure_new (tmp);
grss_feed_enclosure_set_format (enclosure, type);
grss_feed_enclosure_set_length (enclosure, length);
grss_feed_item_add_enclosure (item, enclosure);
xmlFree (tmp);
xmlFree (type);
}
}
else if (!xmlStrcmp (cur->name, BAD_CAST"guid")) {
if (!grss_feed_item_get_id (item)) {
tmp = (gchar*) xmlNodeListGetString (doc, cur->xmlChildrenNode, 1);
if (tmp) {
if (strlen (tmp) > 0) {
grss_feed_item_set_id (item, tmp);
tmp2 = (gchar*) xmlGetProp (cur, BAD_CAST"isPermaLink");
if (!grss_feed_item_get_source (item) && (tmp2 == NULL || g_str_equal (tmp2, "true")))
grss_feed_item_set_source (item, tmp); /* Per the RSS 2.0 spec. */
if (tmp2)
xmlFree (tmp2);
}
xmlFree (tmp);
}
}
}
else if (!xmlStrcmp (cur->name, BAD_CAST"title")) {
tmp = unhtmlize ((gchar*) xmlNodeListGetString (doc, cur->xmlChildrenNode, TRUE));
if (tmp) {
grss_feed_item_set_title (item, tmp);
g_free (tmp);
}
}
else if (!xmlStrcmp (cur->name, BAD_CAST"link")) {
tmp = unhtmlize ((gchar*) xmlNodeListGetString (doc, cur->xmlChildrenNode, TRUE));
if (tmp) {
grss_feed_item_set_source (item, tmp);
g_free (tmp);
}
}
else if (!xmlStrcmp (cur->name, BAD_CAST"description")) {
tmp = xhtml_extract (cur, 0, NULL);
if (tmp) {
/* don't overwrite content:encoded descriptions... */
if (!grss_feed_item_get_description (item))
grss_feed_item_set_description (item, tmp);
g_free (tmp);
}
}
else if (!xmlStrcmp (cur->name, BAD_CAST"source")) {
tmp = (gchar*) xmlGetProp (cur, BAD_CAST"url");
tmp2 = unhtmlize ((gchar*) xmlNodeListGetString (doc, cur->xmlChildrenNode, 1));
if (tmp) {
grss_feed_item_set_real_source (item, g_strchomp (tmp), tmp2 ? g_strchomp (tmp2) : NULL);
g_free (tmp);
}
if (tmp2)
g_free (tmp2);
}
cur = cur->next;
}
return item;
}
