1 /*****************************************************************************
2 * rss.c : rss/atom feed display video plugin for vlc
3 *****************************************************************************
4 * Copyright (C) 2003-2006 the VideoLAN team
7 * Authors: Antoine Cellerier <dionoea -at- videolan -dot- org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
25 * Atom : http://www.ietf.org/rfc/rfc4287.txt
26 * RSS : http://www.rssboard.org/rss-specification
27 *****************************************************************************/
29 /*****************************************************************************
31 *****************************************************************************/
37 #include <vlc_common.h>
38 #include <vlc_plugin.h>
40 #include <vlc_filter.h>
41 #include <vlc_block.h>
44 #include <vlc_block.h>
45 #include <vlc_stream.h>
47 #include <vlc_charset.h>
49 #include <vlc_image.h>
53 /*****************************************************************************
55 *****************************************************************************/
56 static int CreateFilter ( vlc_object_t * );
57 static void DestroyFilter( vlc_object_t * );
58 static subpicture_t *Filter( filter_t *, mtime_t );
60 static int FetchRSS( filter_t * );
61 static void FreeRSS( filter_t * );
62 static int ParseUrls( filter_t *, char * );
64 static const int pi_color_values[] = {
65 0xf0000000, 0x00000000, 0x00808080, 0x00C0C0C0,
66 0x00FFFFFF, 0x00800000, 0x00FF0000, 0x00FF00FF, 0x00FFFF00,
67 0x00808000, 0x00008000, 0x00008080, 0x0000FF00, 0x00800080,
68 0x00000080, 0x000000FF, 0x0000FFFF};
69 static const char *const ppsz_color_descriptions[] = {
70 N_("Default"), N_("Black"),
71 N_("Gray"), N_("Silver"), N_("White"), N_("Maroon"), N_("Red"),
72 N_("Fuchsia"), N_("Yellow"), N_("Olive"), N_("Green"),
73 N_("Teal"), N_("Lime"), N_("Purple"), N_("Navy"), N_("Blue"),
76 /*****************************************************************************
77 * filter_sys_t: rss filter descriptor
78 *****************************************************************************/
80 typedef struct rss_item_t
83 char *psz_description;
87 typedef struct rss_feed_t
91 char *psz_description;
105 int i_xoff, i_yoff; /* offsets for the display string in the video window */
106 int i_pos; /* permit relative positioning (top, bottom, left, right, center) */
110 char *psz_marquee; /* marquee string */
112 text_style_t *p_style; /* font control */
120 time_t t_last_update;
129 #define MSG_TEXT N_("Feed URLs")
130 #define MSG_LONGTEXT N_("RSS/Atom feed '|' (pipe) separated URLs.")
131 #define SPEED_TEXT N_("Speed of feeds")
132 #define SPEED_LONGTEXT N_("Speed of the RSS/Atom feeds in microseconds (bigger is slower).")
133 #define LENGTH_TEXT N_("Max length")
134 #define LENGTH_LONGTEXT N_("Maximum number of characters displayed on the " \
136 #define TTL_TEXT N_("Refresh time")
137 #define TTL_LONGTEXT N_("Number of seconds between each forced refresh " \
138 "of the feeds. 0 means that the feeds are never updated." )
139 #define IMAGE_TEXT N_("Feed images")
140 #define IMAGE_LONGTEXT N_("Display feed images if available.")
142 #define POSX_TEXT N_("X offset")
143 #define POSX_LONGTEXT N_("X offset, from the left screen edge." )
144 #define POSY_TEXT N_("Y offset")
145 #define POSY_LONGTEXT N_("Y offset, down from the top." )
146 #define OPACITY_TEXT N_("Opacity")
147 #define OPACITY_LONGTEXT N_("Opacity (inverse of transparency) of " \
148 "overlay text. 0 = transparent, 255 = totally opaque." )
150 #define SIZE_TEXT N_("Font size, pixels")
151 #define SIZE_LONGTEXT N_("Font size, in pixels. Default is -1 (use default " \
154 #define COLOR_TEXT N_("Color")
155 #define COLOR_LONGTEXT N_("Color of the text that will be rendered on "\
156 "the video. This must be an hexadecimal (like HTML colors). The first two "\
157 "chars are for red, then green, then blue. #000000 = black, #FF0000 = red,"\
158 " #00FF00 = green, #FFFF00 = yellow (red + green), #FFFFFF = white" )
160 #define POS_TEXT N_("Text position")
161 #define POS_LONGTEXT N_( \
162 "You can enforce the text position on the video " \
163 "(0=center, 1=left, 2=right, 4=top, 8=bottom; you can " \
164 "also use combinations of these values, eg 6 = top-right).")
166 #define TITLE_TEXT N_("Title display mode")
167 #define TITLE_LONGTEXT N_("Title display mode. Default is 0 (hidden) if the feed has an image and feed images are enabled, 1 otherwise.")
169 static const int pi_pos_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 };
170 static const char *const ppsz_pos_descriptions[] =
171 { N_("Center"), N_("Left"), N_("Right"), N_("Top"), N_("Bottom"),
172 N_("Top-Left"), N_("Top-Right"), N_("Bottom-Left"), N_("Bottom-Right") };
180 static const int pi_title_modes[] = { default_title, hide_title, prepend_title, scroll_title };
181 static const char *const ppsz_title_modes[] =
182 { N_("Default"), N_("Don't show"), N_("Always visible"), N_("Scroll with feed") };
184 #define CFG_PREFIX "rss-"
186 /*****************************************************************************
188 *****************************************************************************/
190 set_capability( "sub filter", 1 )
191 set_shortname( "RSS / Atom" )
192 set_callbacks( CreateFilter, DestroyFilter )
193 set_category( CAT_VIDEO )
194 set_subcategory( SUBCAT_VIDEO_SUBPIC )
195 add_string( CFG_PREFIX "urls", "rss", NULL, MSG_TEXT, MSG_LONGTEXT, false )
197 set_section( N_("Position"), NULL )
198 add_integer( CFG_PREFIX "x", 0, NULL, POSX_TEXT, POSX_LONGTEXT, true )
199 add_integer( CFG_PREFIX "y", 0, NULL, POSY_TEXT, POSY_LONGTEXT, true )
200 add_integer( CFG_PREFIX "position", -1, NULL, POS_TEXT, POS_LONGTEXT, false )
201 change_integer_list( pi_pos_values, ppsz_pos_descriptions, NULL )
203 set_section( N_("Font"), NULL )
204 /* 5 sets the default to top [1] left [4] */
205 add_integer_with_range( CFG_PREFIX "opacity", 255, 0, 255, NULL,
206 OPACITY_TEXT, OPACITY_LONGTEXT, false )
207 add_integer( CFG_PREFIX "color", 0xFFFFFF, NULL, COLOR_TEXT, COLOR_LONGTEXT,
209 change_integer_list( pi_color_values, ppsz_color_descriptions, NULL )
210 add_integer( CFG_PREFIX "size", -1, NULL, SIZE_TEXT, SIZE_LONGTEXT, false )
212 set_section( N_("Misc"), NULL )
213 add_integer( CFG_PREFIX "speed", 100000, NULL, SPEED_TEXT, SPEED_LONGTEXT,
215 add_integer( CFG_PREFIX "length", 60, NULL, LENGTH_TEXT, LENGTH_LONGTEXT,
217 add_integer( CFG_PREFIX "ttl", 1800, NULL, TTL_TEXT, TTL_LONGTEXT, false )
218 add_bool( CFG_PREFIX "images", 1, NULL, IMAGE_TEXT, IMAGE_LONGTEXT, false )
219 add_integer( CFG_PREFIX "title", default_title, NULL, TITLE_TEXT, TITLE_LONGTEXT, false )
220 change_integer_list( pi_title_modes, ppsz_title_modes, NULL )
222 set_description( N_("RSS and Atom feed display") )
223 add_shortcut( "rss" )
224 add_shortcut( "atom" )
227 static const char *const ppsz_filter_options[] = {
228 "urls", "x", "y", "position", "color", "size", "speed", "length",
229 "ttl", "images", "title", NULL
232 /*****************************************************************************
233 * CreateFilter: allocates RSS video filter
234 *****************************************************************************/
235 static int CreateFilter( vlc_object_t *p_this )
237 filter_t *p_filter = (filter_t *)p_this;
240 int i_ret = VLC_ENOMEM;
243 /* Allocate structure */
244 p_sys = p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
248 config_ChainParse( p_filter, CFG_PREFIX, ppsz_filter_options,
251 psz_urls = var_CreateGetString( p_filter, CFG_PREFIX "urls" );
252 p_sys->i_title = var_CreateGetInteger( p_filter, CFG_PREFIX "title" );
253 p_sys->i_cur_feed = 0;
254 p_sys->i_cur_item = p_sys->i_title == scroll_title ? -1 : 0;
255 p_sys->i_cur_char = 0;
257 p_sys->p_feeds = NULL;
258 p_sys->i_speed = var_CreateGetInteger( p_filter, CFG_PREFIX "speed" );
259 p_sys->i_length = var_CreateGetInteger( p_filter, CFG_PREFIX "length" );
260 p_sys->i_ttl = __MAX( 0, var_CreateGetInteger( p_filter, CFG_PREFIX "ttl" ) );
261 p_sys->b_images = var_CreateGetBool( p_filter, CFG_PREFIX "images" );
263 p_sys->psz_marquee = malloc( p_sys->i_length + 1 );
264 if( p_sys->psz_marquee == NULL )
266 p_sys->psz_marquee[p_sys->i_length] = '\0';
268 p_sys->p_style = text_style_New();
269 if( p_sys->p_style == NULL )
272 p_sys->i_xoff = var_CreateGetInteger( p_filter, CFG_PREFIX "x" );
273 p_sys->i_yoff = var_CreateGetInteger( p_filter, CFG_PREFIX "y" );
274 p_sys->i_pos = var_CreateGetInteger( p_filter, CFG_PREFIX "position" );
275 p_sys->p_style->i_font_alpha = 255 - var_CreateGetInteger( p_filter, CFG_PREFIX "opacity" );
276 p_sys->p_style->i_font_color = var_CreateGetInteger( p_filter, CFG_PREFIX "color" );
277 p_sys->p_style->i_font_size = var_CreateGetInteger( p_filter, CFG_PREFIX "size" );
279 if( p_sys->b_images == true && p_sys->p_style->i_font_size == -1 )
281 msg_Warn( p_filter, "rss-size wasn't specified. Feed images will thus be displayed without being resized" );
285 ParseUrls( p_filter, psz_urls );
288 if( FetchRSS( p_filter ) )
290 msg_Err( p_filter, "failed while fetching RSS ... too bad" );
291 text_style_Delete( p_sys->p_style );
292 i_ret = VLC_EGENERIC;
295 p_sys->t_last_update = time( NULL );
297 if( p_sys->i_feeds == 0 )
299 text_style_Delete( p_sys->p_style );
300 i_ret = VLC_EGENERIC;
303 for( i_feed=0; i_feed < p_sys->i_feeds; i_feed ++ )
305 if( p_sys->p_feeds[i_feed].i_items == 0 )
307 DestroyFilter( p_this );
313 vlc_mutex_init( &p_sys->lock );
314 p_filter->pf_sub_filter = Filter;
315 p_sys->last_date = (mtime_t)0;
320 free( p_sys->psz_marquee );
324 /*****************************************************************************
325 * DestroyFilter: destroy RSS video filter
326 *****************************************************************************/
327 static void DestroyFilter( vlc_object_t *p_this )
329 filter_t *p_filter = (filter_t *)p_this;
330 filter_sys_t *p_sys = p_filter->p_sys;
332 text_style_Delete( p_sys->p_style );
333 free( p_sys->psz_marquee );
338 /****************************************************************************
339 * Filter: the whole thing
340 ****************************************************************************
341 * This function outputs subpictures at regular time intervals.
342 ****************************************************************************/
343 static subpicture_t *Filter( filter_t *p_filter, mtime_t date )
345 filter_sys_t *p_sys = p_filter->p_sys;
348 subpicture_region_t *p_region;
353 memset( &fmt, 0, sizeof(video_format_t) );
355 vlc_mutex_lock( &p_sys->lock );
358 + ( p_sys->i_cur_char == 0 && p_sys->i_cur_item == ( p_sys->i_title == scroll_title ? -1 : 0 ) ? 5 : 1 )
359 /* ( ... ? 5 : 1 ) means "wait 5 times more for the 1st char" */
360 * p_sys->i_speed > date )
362 vlc_mutex_unlock( &p_sys->lock );
366 /* Do we need to update the feeds ? */
368 && time( NULL ) > p_sys->t_last_update + (time_t)p_sys->i_ttl )
370 msg_Dbg( p_filter, "Forcing update of all the RSS feeds" );
371 if( FetchRSS( p_filter ) )
373 msg_Err( p_filter, "Failed while fetching RSS ... too bad" );
374 vlc_mutex_unlock( &p_sys->lock );
375 return NULL; /* FIXME : we most likely messed up all the data,
376 * so we might need to do something about it */
378 p_sys->t_last_update = time( NULL );
381 p_sys->last_date = date;
383 if( p_sys->i_cur_item == -1 ? p_sys->p_feeds[p_sys->i_cur_feed].psz_title[p_sys->i_cur_char] == 0 : p_sys->p_feeds[p_sys->i_cur_feed].p_items[p_sys->i_cur_item].psz_title[p_sys->i_cur_char] == 0 )
385 p_sys->i_cur_char = 0;
387 if( p_sys->i_cur_item >= p_sys->p_feeds[p_sys->i_cur_feed].i_items )
389 if( p_sys->i_title == scroll_title )
390 p_sys->i_cur_item = -1;
392 p_sys->i_cur_item = 0;
393 p_sys->i_cur_feed = (p_sys->i_cur_feed + 1)%p_sys->i_feeds;
397 p_spu = filter_NewSubpicture( p_filter );
400 vlc_mutex_unlock( &p_sys->lock );
404 fmt.i_chroma = VLC_CODEC_TEXT;
406 p_spu->p_region = subpicture_region_New( &fmt );
407 if( !p_spu->p_region )
409 p_filter->pf_sub_buffer_del( p_filter, p_spu );
410 vlc_mutex_unlock( &p_sys->lock );
414 /* Generate the string that will be displayed. This string is supposed to
415 be p_sys->i_length characters long. */
416 i_item = p_sys->i_cur_item;
417 i_feed = p_sys->i_cur_feed;
418 p_feed = &p_sys->p_feeds[i_feed];
420 if( ( p_feed->p_pic && p_sys->i_title == default_title )
421 || p_sys->i_title == hide_title )
423 /* Don't display the feed's title if we have an image */
424 snprintf( p_sys->psz_marquee, p_sys->i_length, "%s",
425 p_sys->p_feeds[i_feed].p_items[i_item].psz_title
426 +p_sys->i_cur_char );
428 else if( ( !p_feed->p_pic && p_sys->i_title == default_title )
429 || p_sys->i_title == prepend_title )
431 snprintf( p_sys->psz_marquee, p_sys->i_length, "%s : %s",
432 p_sys->p_feeds[i_feed].psz_title,
433 p_sys->p_feeds[i_feed].p_items[i_item].psz_title
434 +p_sys->i_cur_char );
436 else /* scrolling title */
439 snprintf( p_sys->psz_marquee, p_sys->i_length, "%s : %s",
440 p_sys->p_feeds[i_feed].psz_title + p_sys->i_cur_char,
441 p_sys->p_feeds[i_feed].p_items[i_item+1].psz_title );
443 snprintf( p_sys->psz_marquee, p_sys->i_length, "%s",
444 p_sys->p_feeds[i_feed].p_items[i_item].psz_title
445 +p_sys->i_cur_char );
448 while( strlen( p_sys->psz_marquee ) < (unsigned int)p_sys->i_length )
451 if( i_item == p_sys->p_feeds[i_feed].i_items ) break;
452 snprintf( strchr( p_sys->psz_marquee, 0 ),
453 p_sys->i_length - strlen( p_sys->psz_marquee ),
455 p_sys->p_feeds[i_feed].p_items[i_item].psz_title );
458 /* Calls to snprintf might split multibyte UTF8 chars ...
459 * which freetype doesn't like. */
461 char *a = strdup( p_sys->psz_marquee );
463 char *b = p_sys->psz_marquee;
464 EnsureUTF8( p_sys->psz_marquee );
465 /* we want to use ' ' instead of '?' for erroneous chars */
468 if( *b != *a ) *b = ' ';
474 p_spu->p_region->psz_text = strdup(p_sys->psz_marquee);
475 if( p_sys->p_style->i_font_size > 0 )
476 p_spu->p_region->fmt.i_visible_height = p_sys->p_style->i_font_size;
477 p_spu->i_start = date;
479 p_spu->b_ephemer = true;
481 /* where to locate the string: */
482 if( p_sys->i_pos < 0 )
483 { /* set to an absolute xy */
484 p_spu->p_region->i_align = OSD_ALIGN_LEFT | OSD_ALIGN_TOP;
485 p_spu->b_absolute = true;
488 { /* set to one of the 9 relative locations */
489 p_spu->p_region->i_align = p_sys->i_pos;
490 p_spu->b_absolute = false;
493 p_spu->p_region->p_style = text_style_Duplicate( p_sys->p_style );
497 /* Display the feed's image */
498 picture_t *p_pic = p_feed->p_pic;
499 video_format_t fmt_out;
501 memset( &fmt_out, 0, sizeof(video_format_t) );
503 fmt_out.i_chroma = VLC_CODEC_YUVA;
504 fmt_out.i_aspect = VOUT_ASPECT_FACTOR;
505 fmt_out.i_sar_num = fmt_out.i_sar_den = 1;
507 fmt_out.i_visible_width = p_pic->p[Y_PLANE].i_visible_pitch;
509 fmt_out.i_visible_height = p_pic->p[Y_PLANE].i_visible_lines;
511 p_region = subpicture_region_New( &fmt_out );
514 msg_Err( p_filter, "cannot allocate SPU region" );
518 p_region->i_x = p_sys->i_xoff;
519 p_region->i_y = p_sys->i_yoff;
520 /* FIXME the copy is probably not needed anymore */
521 picture_Copy( p_region->p_picture, p_pic );
522 p_spu->p_region->p_next = p_region;
525 /* Offset text to display right next to the image */
526 p_spu->p_region->i_x = p_pic->p[Y_PLANE].i_visible_pitch;
529 vlc_mutex_unlock( &p_sys->lock );
533 /****************************************************************************
534 * RSS related functions
535 ****************************************************************************
536 * You should always lock the p_filter mutex before using any of these
538 ***************************************************************************/
540 #undef LoadImage /* do not conflict with Win32 API */
542 /****************************************************************************
543 * download and resize image located at psz_url
544 ***************************************************************************/
545 static picture_t *LoadImage( filter_t *p_filter, const char *psz_url )
547 filter_sys_t *p_sys = p_filter->p_sys;
548 video_format_t fmt_in;
549 video_format_t fmt_out;
551 picture_t *p_pic = NULL;
552 image_handler_t *p_handler = image_HandlerCreate( p_filter );
554 memset( &fmt_in, 0, sizeof(video_format_t) );
555 memset( &fmt_out, 0, sizeof(video_format_t) );
557 fmt_out.i_chroma = VLC_CODEC_YUVA;
558 p_orig = image_ReadUrl( p_handler, psz_url, &fmt_in, &fmt_out );
562 msg_Warn( p_filter, "Unable to read image %s", psz_url );
564 else if( p_sys->p_style->i_font_size > 0 )
567 fmt_in.i_chroma = VLC_CODEC_YUVA;
568 fmt_in.i_height = p_orig->p[Y_PLANE].i_visible_lines;
569 fmt_in.i_width = p_orig->p[Y_PLANE].i_visible_pitch;
570 fmt_out.i_width = p_orig->p[Y_PLANE].i_visible_pitch
571 *p_sys->p_style->i_font_size/p_orig->p[Y_PLANE].i_visible_lines;
572 fmt_out.i_height = p_sys->p_style->i_font_size;
574 p_pic = image_Convert( p_handler, p_orig, &fmt_in, &fmt_out );
575 picture_Release( p_orig );
578 msg_Warn( p_filter, "Error while converting %s", psz_url );
586 image_HandlerDelete( p_handler );
591 /****************************************************************************
592 * remove all ' ' '\t' '\n' '\r' characters from the begining and end of the
594 ***************************************************************************/
595 static char *removeWhiteChars( const char *psz_src )
597 char *psz_src2,*psz_clean, *psz_clean2;
598 psz_src2 = psz_clean = strdup( psz_src );
601 while( ( *psz_clean == ' ' || *psz_clean == '\t'
602 || *psz_clean == '\n' || *psz_clean == '\r' )
603 && *psz_clean != '\0' )
607 i = strlen( psz_clean );
609 ( psz_clean[i] == ' ' || psz_clean[i] == '\t'
610 || psz_clean[i] == '\n' || psz_clean[i] == '\r' ) );
611 psz_clean[i+1] = '\0';
612 psz_clean2 = strdup( psz_clean );
618 /****************************************************************************
619 * Parse url list, psz_urls must be non empty
620 ***************************************************************************/
621 static int ParseUrls( filter_t *p_filter, char *psz_urls )
623 filter_sys_t *p_sys = p_filter->p_sys;
624 char *psz_urls2 = psz_urls;
628 /* Count the number of feeds */
631 if( *psz_urls == '|' )
636 /* Allocate the structure */
637 p_sys->p_feeds = malloc( p_sys->i_feeds * sizeof( rss_feed_t ) );
638 if( !p_sys->p_feeds )
641 /* Loop on all urls and fill in the struct */
642 psz_urls = psz_urls2;
643 for( int i = 0; i < p_sys->i_feeds; i++ )
645 rss_feed_t* p_feed = p_sys->p_feeds + i;
648 if( i < p_sys->i_feeds - 1 )
650 psz_end = strchr( psz_urls, '|' );
657 p_feed->p_items = NULL;
658 p_feed->psz_title = NULL;
659 p_feed->psz_link = NULL;
660 p_feed->psz_description = NULL;
661 p_feed->psz_image = NULL;
662 p_feed->p_pic = NULL;
663 p_feed->psz_url = strdup( psz_urls );
665 psz_urls = psz_end + 1;
672 /****************************************************************************
673 * FetchRSS (or Atom) feeds
674 ***************************************************************************/
675 static int FetchRSS( filter_t *p_filter)
677 filter_sys_t *p_sys = p_filter->p_sys;
681 xml_reader_t *p_xml_reader;
684 char *psz_eltname = NULL;
685 char *psz_eltvalue = NULL;
692 p_xml = xml_Create( p_filter );
695 msg_Err( p_filter, "Failed to open XML parser" );
699 for( i_feed = 0; i_feed < p_sys->i_feeds; i_feed++ )
701 rss_feed_t *p_feed = p_sys->p_feeds+i_feed;
703 FREENULL( p_feed->psz_title );
704 FREENULL( p_feed->psz_description );
705 FREENULL( p_feed->psz_link );
706 FREENULL( p_feed->psz_image );
709 picture_Release( p_feed->p_pic );
710 p_feed->p_pic = NULL;
712 for( int i = 0; i < p_feed->i_items; i++ )
714 rss_item_t *p_item = p_feed->p_items + i;
715 free( p_item->psz_title );
716 free( p_item->psz_link );
717 free( p_item->psz_description );
720 FREENULL( p_feed->p_items );
722 msg_Dbg( p_filter, "opening %s RSS/Atom feed ...", p_feed->psz_url );
724 p_stream = stream_UrlNew( p_filter, p_feed->psz_url );
727 msg_Err( p_filter, "Failed to open %s for reading", p_feed->psz_url );
732 p_xml_reader = xml_ReaderCreate( p_xml, p_stream );
735 msg_Err( p_filter, "Failed to open %s for parsing", p_feed->psz_url );
743 while( xml_ReaderRead( p_xml_reader ) == 1 )
745 switch( xml_ReaderNodeType( p_xml_reader ) )
751 case XML_READER_STARTELEM:
753 psz_eltname = xml_ReaderName( p_xml_reader );
758 msg_Dbg( p_filter, "element name: %s", psz_eltname );
760 if( !strcmp( psz_eltname, "item" ) /* rss */
761 || !strcmp( psz_eltname, "entry" ) ) /* atom */
765 p_feed->p_items = realloc( p_feed->p_items, p_feed->i_items * sizeof( rss_item_t ) );
766 p_feed->p_items[p_feed->i_items-1].psz_title = NULL;
767 p_feed->p_items[p_feed->i_items-1].psz_description
769 p_feed->p_items[p_feed->i_items-1].psz_link = NULL;
771 else if( !strcmp( psz_eltname, "image" ) ) /* rss */
775 else if( !strcmp( psz_eltname, "link" ) ) /* atom */
777 char *psz_href = NULL;
778 char *psz_rel = NULL;
779 while( xml_ReaderNextAttr( p_xml_reader )
782 char *psz_name = xml_ReaderName( p_xml_reader );
783 char *psz_value = xml_ReaderValue( p_xml_reader );
784 if( !strcmp( psz_name, "rel" ) )
788 msg_Dbg( p_filter, "\"rel\" attribute of link atom duplicated (last value: %s)", psz_value );
793 else if( !strcmp( psz_name, "href" ) )
797 msg_Dbg( p_filter, "\"href\" attribute of link atom duplicated (last value: %s)", psz_href );
800 psz_href = psz_value;
808 if( psz_rel && psz_href )
810 if( !strcmp( psz_rel, "alternate" )
811 && b_is_item == false
812 && b_is_image == false
813 && !p_feed->psz_link )
815 p_feed->psz_link = psz_href;
817 /* this isn't in the rfc but i found some ... */
818 else if( ( !strcmp( psz_rel, "logo" )
819 || !strcmp( psz_rel, "icon" ) )
820 && b_is_item == false
821 && b_is_image == false
822 && !p_feed->psz_image )
824 p_feed->psz_image = psz_href;
839 case XML_READER_ENDELEM:
841 psz_eltname = xml_ReaderName( p_xml_reader );
846 msg_Dbg( p_filter, "element end : %s", psz_eltname );
848 if( !strcmp( psz_eltname, "item" ) /* rss */
849 || !strcmp( psz_eltname, "entry" ) ) /* atom */
854 else if( !strcmp( psz_eltname, "image" ) ) /* rss */
858 FREENULL( psz_eltname );
861 case XML_READER_TEXT:
862 if( !psz_eltname ) break;
863 psz_eltvalue = xml_ReaderValue( p_xml_reader );
870 char *psz_clean = removeWhiteChars( psz_eltvalue );
871 free( psz_eltvalue );
872 psz_eltvalue = psz_clean;
875 msg_Dbg( p_filter, " text : <%s>", psz_eltvalue );
877 if( b_is_item == true )
879 rss_item_t *p_item = p_feed->p_items+i_item;
880 if( !strcmp( psz_eltname, "title" ) /* rss/atom */
881 && !p_item->psz_title )
883 p_item->psz_title = psz_eltvalue;
885 else if( !strcmp( psz_eltname, "link" ) /* rss */
886 && !p_item->psz_link )
888 p_item->psz_link = psz_eltvalue;
890 else if((!strcmp( psz_eltname, "description" ) /* rss */
891 || !strcmp( psz_eltname, "summary" ) ) /* atom */
892 && !p_item->psz_description )
894 p_item->psz_description = psz_eltvalue;
898 FREENULL( psz_eltvalue );
901 else if( b_is_image == true )
903 if( !strcmp( psz_eltname, "url" ) /* rss */
904 && !p_feed->psz_image )
906 p_feed->psz_image = psz_eltvalue;
910 FREENULL( psz_eltvalue );
915 if( !strcmp( psz_eltname, "title" ) /* rss/atom */
916 && !p_feed->psz_title )
918 p_feed->psz_title = psz_eltvalue;
920 else if( !strcmp( psz_eltname, "link" ) /* rss */
921 && !p_feed->psz_link )
923 p_feed->psz_link = psz_eltvalue;
925 else if((!strcmp( psz_eltname, "description" ) /* rss */
926 || !strcmp( psz_eltname, "subtitle" ) ) /* atom */
927 && !p_feed->psz_description )
929 p_feed->psz_description = psz_eltvalue;
931 else if( ( !strcmp( psz_eltname, "logo" ) /* atom */
932 || !strcmp( psz_eltname, "icon" ) ) /* atom */
933 && !p_feed->psz_image )
935 p_feed->psz_image = psz_eltvalue;
939 FREENULL( psz_eltvalue );
946 if( p_sys->b_images == true
947 && p_feed->psz_image && !p_feed->p_pic )
949 p_feed->p_pic = LoadImage( p_filter, p_feed->psz_image );
952 xml_ReaderDelete( p_xml, p_xml_reader );
953 stream_Delete( p_stream );
954 msg_Dbg( p_filter, "done with %s RSS/Atom feed", p_feed->psz_url );
958 free( psz_eltvalue );
964 free( psz_eltvalue );
967 xml_ReaderDelete( p_xml, p_xml_reader );
969 stream_Delete( p_stream );
976 /****************************************************************************
978 ***************************************************************************/
979 static void FreeRSS( filter_t *p_filter)
981 filter_sys_t *p_sys = p_filter->p_sys;
983 for( int i_feed = 0; i_feed < p_sys->i_feeds; i_feed++ )
985 rss_feed_t *p_feed = p_sys->p_feeds+i_feed;
986 for( int i_item = 0; i_item < p_feed->i_items; i_item++ )
988 rss_item_t *p_item = p_feed->p_items+i_item;
989 free( p_item->psz_title );
990 free( p_item->psz_link );
991 free( p_item->psz_description );
993 free( p_feed->p_items );
994 free( p_feed->psz_title);
995 free( p_feed->psz_link );
996 free( p_feed->psz_description );
997 free( p_feed->psz_image );
998 if( p_feed->p_pic != NULL )
999 picture_Release( p_feed->p_pic );
1000 free( p_feed->psz_url );
1002 free( p_sys->p_feeds );