コード例 #1
0
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);
}
コード例 #2
0
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);
}
コード例 #3
0
ファイル: feed-rss-handler.c プロジェクト: TingPing/libgrss
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;
}