struct filter_sys_t
{
vlc_mutex_t lock;
- vlc_mutex_t *p_lock;
int i_xoff, i_yoff; /* offsets for the display string in the video window */
int i_pos; /* permit relative positioning (top, bottom, left, right, center) */
}
+
+/****************************************************************************
+ * Parse the rss feed
+ ***************************************************************************/
+static bool ParseFeed( filter_t *p_filter, xml_reader_t *p_xml_reader,
+ rss_feed_t *p_feed )
+{
+ VLC_UNUSED(p_filter);
+ char *psz_eltname = NULL;
+
+ bool b_is_item = false;
+ bool b_is_image = false;
+
+ int i_item = 0;
+
+ while( xml_ReaderRead( p_xml_reader ) == 1 )
+ {
+ switch( xml_ReaderNodeType( p_xml_reader ) )
+ {
+ // Error
+ case -1:
+ goto end;
+
+ case XML_READER_STARTELEM:
+ free( psz_eltname );
+ psz_eltname = xml_ReaderName( p_xml_reader );
+ if( !psz_eltname )
+ goto end;
+
+#ifdef RSS_DEBUG
+ msg_Dbg( p_filter, "element name: %s", psz_eltname );
+#endif
+ /* rss or atom */
+ if( !strcmp( psz_eltname, "item" ) || !strcmp( psz_eltname, "entry" ) )
+ {
+ b_is_item = true;
+ p_feed->i_items++;
+ p_feed->p_items = realloc( p_feed->p_items,
+ p_feed->i_items * sizeof( rss_item_t ) );
+ p_feed->p_items[p_feed->i_items-1].psz_title = NULL;
+ p_feed->p_items[p_feed->i_items-1].psz_description = NULL;
+ p_feed->p_items[p_feed->i_items-1].psz_link = NULL;
+ }
+ /* rss */
+ else if( !strcmp( psz_eltname, "image" ) )
+ {
+ b_is_image = true;
+ }
+ /* atom */
+ else if( !strcmp( psz_eltname, "link" ) )
+ {
+ char *psz_href = NULL;
+ char *psz_rel = NULL;
+ while( xml_ReaderNextAttr( p_xml_reader ) == VLC_SUCCESS )
+ {
+ char *psz_name = xml_ReaderName( p_xml_reader );
+ char *psz_value = xml_ReaderValue( p_xml_reader );
+ if( !strcmp( psz_name, "rel" ) )
+ {
+ free( psz_rel );
+ psz_rel = psz_value;
+ }
+ else if( !strcmp( psz_name, "href" ) )
+ {
+ free( psz_href );
+ psz_href = psz_value;
+ }
+ else
+ {
+ free( psz_value );
+ }
+ free( psz_name );
+ }
+
+ /* "rel" and "href" must be defined */
+ if( psz_rel && psz_href )
+ {
+ if( !strcmp( psz_rel, "alternate" ) && !b_is_item &&
+ !b_is_image && !p_feed->psz_link )
+ {
+ p_feed->psz_link = psz_href;
+ }
+ /* this isn't in the rfc but i found some ... */
+ else if( ( !strcmp( psz_rel, "logo" ) ||
+ !strcmp( psz_rel, "icon" ) )
+ && !b_is_item && !b_is_image
+ && !p_feed->psz_image )
+ {
+ p_feed->psz_image = psz_href;
+ }
+ else
+ {
+ free( psz_href );
+ }
+ }
+ else
+ {
+ free( psz_href );
+ }
+ free( psz_rel );
+ }
+ break;
+
+ case XML_READER_ENDELEM:
+ free( psz_eltname );
+ psz_eltname = xml_ReaderName( p_xml_reader );
+ if( !psz_eltname )
+ goto end;
+
+#ifdef RSS_DEBUG
+ msg_Dbg( p_filter, "element end : %s", psz_eltname );
+#endif
+ /* rss or atom */
+ if( !strcmp( psz_eltname, "item" ) || !strcmp( psz_eltname, "entry" ) )
+ {
+ b_is_item = false;
+ i_item++;
+ }
+ /* rss */
+ else if( !strcmp( psz_eltname, "image" ) )
+ {
+ b_is_image = false;
+ }
+ FREENULL( psz_eltname );
+ break;
+
+ case XML_READER_TEXT:
+ {
+ if( !psz_eltname )
+ break;
+ char *psz_eltvalue = xml_ReaderValue( p_xml_reader );
+ if( !psz_eltvalue )
+ goto end;
+
+ char *psz_clean = removeWhiteChars( psz_eltvalue );
+ free( psz_eltvalue );
+ psz_eltvalue = psz_clean;
+
+#ifdef RSS_DEBUG
+ msg_Dbg( p_filter, " text : <%s>", psz_eltvalue );
+#endif
+ /* Is it an item ? */
+ if( b_is_item )
+ {
+ rss_item_t *p_item = p_feed->p_items+i_item;
+ /* rss/atom */
+ if( !strcmp( psz_eltname, "title" ) && !p_item->psz_title )
+ {
+ p_item->psz_title = psz_eltvalue;
+ }
+ else if( !strcmp( psz_eltname, "link" ) /* rss */
+ && !p_item->psz_link )
+ {
+ p_item->psz_link = psz_eltvalue;
+ }
+ /* rss/atom */
+ else if( ( !strcmp( psz_eltname, "description" ) ||
+ !strcmp( psz_eltname, "summary" ) )
+ && !p_item->psz_description )
+ {
+ p_item->psz_description = psz_eltvalue;
+ }
+ else
+ {
+ free( psz_eltvalue );
+ }
+ }
+ /* Is it an image ? */
+ else if( b_is_image )
+ {
+ if( !strcmp( psz_eltname, "url" ) && !p_feed->psz_image )
+ p_feed->psz_image = psz_eltvalue;
+ else
+ free( psz_eltvalue );
+ }
+ else
+ {
+ /* rss/atom */
+ if( !strcmp( psz_eltname, "title" ) && !p_feed->psz_title )
+ {
+ p_feed->psz_title = psz_eltvalue;
+ }
+ /* rss */
+ else if( !strcmp( psz_eltname, "link" ) && !p_feed->psz_link )
+ {
+ p_feed->psz_link = psz_eltvalue;
+ }
+ /* rss ad atom */
+ else if( ( !strcmp( psz_eltname, "description" ) ||
+ !strcmp( psz_eltname, "subtitle" ) )
+ && !p_feed->psz_description )
+ {
+ p_feed->psz_description = psz_eltvalue;
+ }
+ /* rss */
+ else if( ( !strcmp( psz_eltname, "logo" ) ||
+ !strcmp( psz_eltname, "icon" ) )
+ && !p_feed->psz_image )
+ {
+ p_feed->psz_image = psz_eltvalue;
+ }
+ else
+ {
+ free( psz_eltvalue );
+ }
+ }
+ break;
+ }
+ }
+ }
+
+ free( psz_eltname );
+ return true;
+
+end:
+ free( psz_eltname );
+ return false;
+}
+
+
/****************************************************************************
* FetchRSS (or Atom) feeds
***************************************************************************/
-static int FetchRSS( filter_t *p_filter)
+static int FetchRSS( filter_t *p_filter )
{
filter_sys_t *p_sys = p_filter->p_sys;
stream_t *p_stream;
xml_t *p_xml;
xml_reader_t *p_xml_reader;
- int i_ret = 1;
-
- char *psz_eltname = NULL;
- char *psz_eltvalue = NULL;
-
- int i_feed;
- int i_item;
- bool b_is_item;
- bool b_is_image;
p_xml = xml_Create( p_filter );
if( !p_xml )
return 1;
}
- for( i_feed = 0; i_feed < p_sys->i_feeds; i_feed++ )
+ /* Fetch all feeds and parse them */
+ for( int i_feed = 0; i_feed < p_sys->i_feeds; i_feed++ )
{
rss_feed_t *p_feed = p_sys->p_feeds+i_feed;
+ /* Free the ressources */
FREENULL( p_feed->psz_title );
FREENULL( p_feed->psz_description );
FREENULL( p_feed->psz_link );
p_feed->i_items = 0;
FREENULL( p_feed->p_items );
+ /* Fetch the feed */
msg_Dbg( p_filter, "opening %s RSS/Atom feed ...", p_feed->psz_url );
p_stream = stream_UrlNew( p_filter, p_feed->psz_url );
goto error;
}
- i_item = 0;
- b_is_item = false;
- b_is_image = false;
-
- while( xml_ReaderRead( p_xml_reader ) == 1 )
- {
- switch( xml_ReaderNodeType( p_xml_reader ) )
- {
- // Error
- case -1:
- goto error;
-
- case XML_READER_STARTELEM:
- free( psz_eltname );
- psz_eltname = xml_ReaderName( p_xml_reader );
- if( !psz_eltname )
- goto error;
-
-# ifdef RSS_DEBUG
- msg_Dbg( p_filter, "element name: %s", psz_eltname );
-# endif
- if( !strcmp( psz_eltname, "item" ) /* rss */
- || !strcmp( psz_eltname, "entry" ) ) /* atom */
- {
- b_is_item = true;
- p_feed->i_items++;
- p_feed->p_items = realloc( p_feed->p_items, p_feed->i_items * sizeof( rss_item_t ) );
- p_feed->p_items[p_feed->i_items-1].psz_title = NULL;
- p_feed->p_items[p_feed->i_items-1].psz_description
- = NULL;
- p_feed->p_items[p_feed->i_items-1].psz_link = NULL;
- }
- else if( !strcmp( psz_eltname, "image" ) ) /* rss */
- {
- b_is_image = true;
- }
- else if( !strcmp( psz_eltname, "link" ) ) /* atom */
- {
- char *psz_href = NULL;
- char *psz_rel = NULL;
- while( xml_ReaderNextAttr( p_xml_reader )
- == VLC_SUCCESS )
- {
- char *psz_name = xml_ReaderName( p_xml_reader );
- char *psz_value = xml_ReaderValue( p_xml_reader );
- if( !strcmp( psz_name, "rel" ) )
- {
- if( psz_rel )
- {
- msg_Dbg( p_filter, "\"rel\" attribute of link atom duplicated (last value: %s)", psz_value );
- free( psz_rel );
- }
- psz_rel = psz_value;
- }
- else if( !strcmp( psz_name, "href" ) )
- {
- if( psz_href )
- {
- msg_Dbg( p_filter, "\"href\" attribute of link atom duplicated (last value: %s)", psz_href );
- free( psz_href );
- }
- psz_href = psz_value;
- }
- else
- {
- free( psz_value );
- }
- free( psz_name );
- }
- if( psz_rel && psz_href )
- {
- if( !strcmp( psz_rel, "alternate" )
- && b_is_item == false
- && b_is_image == false
- && !p_feed->psz_link )
- {
- p_feed->psz_link = psz_href;
- }
- /* this isn't in the rfc but i found some ... */
- else if( ( !strcmp( psz_rel, "logo" )
- || !strcmp( psz_rel, "icon" ) )
- && b_is_item == false
- && b_is_image == false
- && !p_feed->psz_image )
- {
- p_feed->psz_image = psz_href;
- }
- else
- {
- free( psz_href );
- }
- }
- else
- {
- free( psz_href );
- }
- free( psz_rel );
- }
- break;
-
- case XML_READER_ENDELEM:
- free( psz_eltname );
- psz_eltname = xml_ReaderName( p_xml_reader );
- if( !psz_eltname )
- goto error;
-
-# ifdef RSS_DEBUG
- msg_Dbg( p_filter, "element end : %s", psz_eltname );
-# endif
- if( !strcmp( psz_eltname, "item" ) /* rss */
- || !strcmp( psz_eltname, "entry" ) ) /* atom */
- {
- b_is_item = false;
- i_item++;
- }
- else if( !strcmp( psz_eltname, "image" ) ) /* rss */
- {
- b_is_image = false;
- }
- FREENULL( psz_eltname );
- break;
-
- case XML_READER_TEXT:
- if( !psz_eltname ) break;
- psz_eltvalue = xml_ReaderValue( p_xml_reader );
- if( !psz_eltvalue )
- {
- goto error;
- }
- else
- {
- char *psz_clean = removeWhiteChars( psz_eltvalue );
- free( psz_eltvalue );
- psz_eltvalue = psz_clean;
- }
-# ifdef RSS_DEBUG
- msg_Dbg( p_filter, " text : <%s>", psz_eltvalue );
-# endif
- if( b_is_item == true )
- {
- rss_item_t *p_item = p_feed->p_items+i_item;
- if( !strcmp( psz_eltname, "title" ) /* rss/atom */
- && !p_item->psz_title )
- {
- p_item->psz_title = psz_eltvalue;
- }
- else if( !strcmp( psz_eltname, "link" ) /* rss */
- && !p_item->psz_link )
- {
- p_item->psz_link = psz_eltvalue;
- }
- else if((!strcmp( psz_eltname, "description" ) /* rss */
- || !strcmp( psz_eltname, "summary" ) ) /* atom */
- && !p_item->psz_description )
- {
- p_item->psz_description = psz_eltvalue;
- }
- else
- {
- FREENULL( psz_eltvalue );
- }
- }
- else if( b_is_image == true )
- {
- if( !strcmp( psz_eltname, "url" ) /* rss */
- && !p_feed->psz_image )
- {
- p_feed->psz_image = psz_eltvalue;
- }
- else
- {
- FREENULL( psz_eltvalue );
- }
- }
- else
- {
- if( !strcmp( psz_eltname, "title" ) /* rss/atom */
- && !p_feed->psz_title )
- {
- p_feed->psz_title = psz_eltvalue;
- }
- else if( !strcmp( psz_eltname, "link" ) /* rss */
- && !p_feed->psz_link )
- {
- p_feed->psz_link = psz_eltvalue;
- }
- else if((!strcmp( psz_eltname, "description" ) /* rss */
- || !strcmp( psz_eltname, "subtitle" ) ) /* atom */
- && !p_feed->psz_description )
- {
- p_feed->psz_description = psz_eltvalue;
- }
- else if( ( !strcmp( psz_eltname, "logo" ) /* atom */
- || !strcmp( psz_eltname, "icon" ) ) /* atom */
- && !p_feed->psz_image )
- {
- p_feed->psz_image = psz_eltvalue;
- }
- else
- {
- FREENULL( psz_eltvalue );
- }
- }
- break;
- }
- }
+ /* Parse the feed */
+ if( !ParseFeed( p_filter, p_xml_reader, p_feed ) )
+ goto error;
+ /* If we have a image: load it if requiere */
if( p_sys->b_images == true
&& p_feed->psz_image && !p_feed->p_pic )
{
p_feed->p_pic = LoadImage( p_filter, p_feed->psz_image );
}
+ msg_Dbg( p_filter, "done with %s RSS/Atom feed", p_feed->psz_url );
xml_ReaderDelete( p_xml, p_xml_reader );
stream_Delete( p_stream );
- msg_Dbg( p_filter, "done with %s RSS/Atom feed", p_feed->psz_url );
}
- free( psz_eltname );
- free( psz_eltvalue );
xml_Delete( p_xml );
return 0;
error:
- free( psz_eltname );
- free( psz_eltvalue );
if( p_xml_reader )
xml_ReaderDelete( p_xml, p_xml_reader );
if( p_xml )
xml_Delete( p_xml );
- return i_ret;
+ return 1;
}
/****************************************************************************
projects / vlc / commitdiff