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;
104 int i_xoff, i_yoff; /* offsets for the display string in the video window */
105 int i_pos; /* permit relative positioning (top, bottom, left, right, center) */
109 char *psz_marquee; /* marquee string */
111 text_style_t *p_style; /* font control */
119 time_t t_last_update;
128 #define MSG_TEXT N_("Feed URLs")
129 #define MSG_LONGTEXT N_("RSS/Atom feed '|' (pipe) separated URLs.")
130 #define SPEED_TEXT N_("Speed of feeds")
131 #define SPEED_LONGTEXT N_("Speed of the RSS/Atom feeds in microseconds (bigger is slower).")
132 #define LENGTH_TEXT N_("Max length")
133 #define LENGTH_LONGTEXT N_("Maximum number of characters displayed on the " \
135 #define TTL_TEXT N_("Refresh time")
136 #define TTL_LONGTEXT N_("Number of seconds between each forced refresh " \
137 "of the feeds. 0 means that the feeds are never updated." )
138 #define IMAGE_TEXT N_("Feed images")
139 #define IMAGE_LONGTEXT N_("Display feed images if available.")
141 #define POSX_TEXT N_("X offset")
142 #define POSX_LONGTEXT N_("X offset, from the left screen edge." )
143 #define POSY_TEXT N_("Y offset")
144 #define POSY_LONGTEXT N_("Y offset, down from the top." )
145 #define OPACITY_TEXT N_("Opacity")
146 #define OPACITY_LONGTEXT N_("Opacity (inverse of transparency) of " \
147 "overlay text. 0 = transparent, 255 = totally opaque." )
149 #define SIZE_TEXT N_("Font size, pixels")
150 #define SIZE_LONGTEXT N_("Font size, in pixels. Default is -1 (use default " \
153 #define COLOR_TEXT N_("Color")
154 #define COLOR_LONGTEXT N_("Color of the text that will be rendered on "\
155 "the video. This must be an hexadecimal (like HTML colors). The first two "\
156 "chars are for red, then green, then blue. #000000 = black, #FF0000 = red,"\
157 " #00FF00 = green, #FFFF00 = yellow (red + green), #FFFFFF = white" )
159 #define POS_TEXT N_("Text position")
160 #define POS_LONGTEXT N_( \
161 "You can enforce the text position on the video " \
162 "(0=center, 1=left, 2=right, 4=top, 8=bottom; you can " \
163 "also use combinations of these values, eg 6 = top-right).")
165 #define TITLE_TEXT N_("Title display mode")
166 #define TITLE_LONGTEXT N_("Title display mode. Default is 0 (hidden) if the feed has an image and feed images are enabled, 1 otherwise.")
168 static const int pi_pos_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 };
169 static const char *const ppsz_pos_descriptions[] =
170 { N_("Center"), N_("Left"), N_("Right"), N_("Top"), N_("Bottom"),
171 N_("Top-Left"), N_("Top-Right"), N_("Bottom-Left"), N_("Bottom-Right") };
179 static const int pi_title_modes[] = { default_title, hide_title, prepend_title, scroll_title };
180 static const char *const ppsz_title_modes[] =
181 { N_("Default"), N_("Don't show"), N_("Always visible"), N_("Scroll with feed") };
183 #define CFG_PREFIX "rss-"
185 /*****************************************************************************
187 *****************************************************************************/
189 set_capability( "sub filter", 1 )
190 set_shortname( "RSS / Atom" )
191 set_callbacks( CreateFilter, DestroyFilter )
192 set_category( CAT_VIDEO )
193 set_subcategory( SUBCAT_VIDEO_SUBPIC )
194 add_string( CFG_PREFIX "urls", "rss", NULL, MSG_TEXT, MSG_LONGTEXT, false )
196 set_section( N_("Position"), NULL )
197 add_integer( CFG_PREFIX "x", 0, NULL, POSX_TEXT, POSX_LONGTEXT, true )
198 add_integer( CFG_PREFIX "y", 0, NULL, POSY_TEXT, POSY_LONGTEXT, true )
199 add_integer( CFG_PREFIX "position", -1, NULL, POS_TEXT, POS_LONGTEXT, false )
200 change_integer_list( pi_pos_values, ppsz_pos_descriptions, NULL )
202 set_section( N_("Font"), NULL )
203 /* 5 sets the default to top [1] left [4] */
204 add_integer_with_range( CFG_PREFIX "opacity", 255, 0, 255, NULL,
205 OPACITY_TEXT, OPACITY_LONGTEXT, false )
206 add_integer( CFG_PREFIX "color", 0xFFFFFF, NULL, COLOR_TEXT, COLOR_LONGTEXT,
208 change_integer_list( pi_color_values, ppsz_color_descriptions, NULL )
209 add_integer( CFG_PREFIX "size", -1, NULL, SIZE_TEXT, SIZE_LONGTEXT, false )
211 set_section( N_("Misc"), NULL )
212 add_integer( CFG_PREFIX "speed", 100000, NULL, SPEED_TEXT, SPEED_LONGTEXT,
214 add_integer( CFG_PREFIX "length", 60, NULL, LENGTH_TEXT, LENGTH_LONGTEXT,
216 add_integer( CFG_PREFIX "ttl", 1800, NULL, TTL_TEXT, TTL_LONGTEXT, false )
217 add_bool( CFG_PREFIX "images", 1, NULL, IMAGE_TEXT, IMAGE_LONGTEXT, false )
218 add_integer( CFG_PREFIX "title", default_title, NULL, TITLE_TEXT, TITLE_LONGTEXT, false )
219 change_integer_list( pi_title_modes, ppsz_title_modes, NULL )
221 set_description( N_("RSS and Atom feed display") )
222 add_shortcut( "rss" )
223 add_shortcut( "atom" )
226 static const char *const ppsz_filter_options[] = {
227 "urls", "x", "y", "position", "color", "size", "speed", "length",
228 "ttl", "images", "title", NULL
231 /*****************************************************************************
232 * CreateFilter: allocates RSS video filter
233 *****************************************************************************/
234 static int CreateFilter( vlc_object_t *p_this )
236 filter_t *p_filter = (filter_t *)p_this;
239 int i_ret = VLC_ENOMEM;
242 /* Allocate structure */
243 p_sys = p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
247 config_ChainParse( p_filter, CFG_PREFIX, ppsz_filter_options,
250 psz_urls = var_CreateGetString( p_filter, CFG_PREFIX "urls" );
251 p_sys->i_title = var_CreateGetInteger( p_filter, CFG_PREFIX "title" );
252 p_sys->i_cur_feed = 0;
253 p_sys->i_cur_item = p_sys->i_title == scroll_title ? -1 : 0;
254 p_sys->i_cur_char = 0;
256 p_sys->p_feeds = NULL;
257 p_sys->i_speed = var_CreateGetInteger( p_filter, CFG_PREFIX "speed" );
258 p_sys->i_length = var_CreateGetInteger( p_filter, CFG_PREFIX "length" );
259 p_sys->i_ttl = __MAX( 0, var_CreateGetInteger( p_filter, CFG_PREFIX "ttl" ) );
260 p_sys->b_images = var_CreateGetBool( p_filter, CFG_PREFIX "images" );
262 p_sys->psz_marquee = malloc( p_sys->i_length + 1 );
263 if( p_sys->psz_marquee == NULL )
265 p_sys->psz_marquee[p_sys->i_length] = '\0';
267 p_sys->p_style = text_style_New();
268 if( p_sys->p_style == NULL )
271 p_sys->i_xoff = var_CreateGetInteger( p_filter, CFG_PREFIX "x" );
272 p_sys->i_yoff = var_CreateGetInteger( p_filter, CFG_PREFIX "y" );
273 p_sys->i_pos = var_CreateGetInteger( p_filter, CFG_PREFIX "position" );
274 p_sys->p_style->i_font_alpha = 255 - var_CreateGetInteger( p_filter, CFG_PREFIX "opacity" );
275 p_sys->p_style->i_font_color = var_CreateGetInteger( p_filter, CFG_PREFIX "color" );
276 p_sys->p_style->i_font_size = var_CreateGetInteger( p_filter, CFG_PREFIX "size" );
278 if( p_sys->b_images == true && p_sys->p_style->i_font_size == -1 )
280 msg_Warn( p_filter, "rss-size wasn't specified. Feed images will thus be displayed without being resized" );
284 if( ParseUrls( p_filter, psz_urls ) )
291 if( FetchRSS( p_filter ) )
293 msg_Err( p_filter, "failed while fetching RSS ... too bad" );
294 text_style_Delete( p_sys->p_style );
295 i_ret = VLC_EGENERIC;
298 p_sys->t_last_update = time( NULL );
300 if( p_sys->i_feeds == 0 )
302 text_style_Delete( p_sys->p_style );
303 i_ret = VLC_EGENERIC;
306 for( i_feed=0; i_feed < p_sys->i_feeds; i_feed ++ )
308 if( p_sys->p_feeds[i_feed].i_items == 0 )
310 DestroyFilter( p_this );
316 vlc_mutex_init( &p_sys->lock );
317 p_filter->pf_sub_filter = Filter;
318 p_sys->last_date = (mtime_t)0;
323 free( p_sys->psz_marquee );
327 /*****************************************************************************
328 * DestroyFilter: destroy RSS video filter
329 *****************************************************************************/
330 static void DestroyFilter( vlc_object_t *p_this )
332 filter_t *p_filter = (filter_t *)p_this;
333 filter_sys_t *p_sys = p_filter->p_sys;
335 vlc_mutex_destroy( &p_sys->lock );
336 text_style_Delete( p_sys->p_style );
337 free( p_sys->psz_marquee );
342 /****************************************************************************
343 * Filter: the whole thing
344 ****************************************************************************
345 * This function outputs subpictures at regular time intervals.
346 ****************************************************************************/
347 static subpicture_t *Filter( filter_t *p_filter, mtime_t date )
349 filter_sys_t *p_sys = p_filter->p_sys;
352 subpicture_region_t *p_region;
357 memset( &fmt, 0, sizeof(video_format_t) );
359 vlc_mutex_lock( &p_sys->lock );
362 + ( p_sys->i_cur_char == 0 && p_sys->i_cur_item == ( p_sys->i_title == scroll_title ? -1 : 0 ) ? 5 : 1 )
363 /* ( ... ? 5 : 1 ) means "wait 5 times more for the 1st char" */
364 * p_sys->i_speed > date )
366 vlc_mutex_unlock( &p_sys->lock );
370 /* Do we need to update the feeds ? */
372 && time( NULL ) > p_sys->t_last_update + (time_t)p_sys->i_ttl )
374 msg_Dbg( p_filter, "Forcing update of all the RSS feeds" );
375 if( FetchRSS( p_filter ) )
377 msg_Err( p_filter, "Failed while fetching RSS ... too bad" );
378 vlc_mutex_unlock( &p_sys->lock );
379 return NULL; /* FIXME : we most likely messed up all the data,
380 * so we might need to do something about it */
382 p_sys->t_last_update = time( NULL );
385 p_sys->last_date = date;
387 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 )
389 p_sys->i_cur_char = 0;
391 if( p_sys->i_cur_item >= p_sys->p_feeds[p_sys->i_cur_feed].i_items )
393 if( p_sys->i_title == scroll_title )
394 p_sys->i_cur_item = -1;
396 p_sys->i_cur_item = 0;
397 p_sys->i_cur_feed = (p_sys->i_cur_feed + 1)%p_sys->i_feeds;
401 p_spu = filter_NewSubpicture( p_filter );
404 vlc_mutex_unlock( &p_sys->lock );
408 fmt.i_chroma = VLC_CODEC_TEXT;
410 p_spu->p_region = subpicture_region_New( &fmt );
411 if( !p_spu->p_region )
413 p_filter->pf_sub_buffer_del( p_filter, p_spu );
414 vlc_mutex_unlock( &p_sys->lock );
418 /* Generate the string that will be displayed. This string is supposed to
419 be p_sys->i_length characters long. */
420 i_item = p_sys->i_cur_item;
421 i_feed = p_sys->i_cur_feed;
422 p_feed = &p_sys->p_feeds[i_feed];
424 if( ( p_feed->p_pic && p_sys->i_title == default_title )
425 || p_sys->i_title == hide_title )
427 /* Don't display the feed's title if we have an image */
428 snprintf( p_sys->psz_marquee, p_sys->i_length, "%s",
429 p_sys->p_feeds[i_feed].p_items[i_item].psz_title
430 +p_sys->i_cur_char );
432 else if( ( !p_feed->p_pic && p_sys->i_title == default_title )
433 || p_sys->i_title == prepend_title )
435 snprintf( p_sys->psz_marquee, p_sys->i_length, "%s : %s",
436 p_sys->p_feeds[i_feed].psz_title,
437 p_sys->p_feeds[i_feed].p_items[i_item].psz_title
438 +p_sys->i_cur_char );
440 else /* scrolling title */
443 snprintf( p_sys->psz_marquee, p_sys->i_length, "%s : %s",
444 p_sys->p_feeds[i_feed].psz_title + p_sys->i_cur_char,
445 p_sys->p_feeds[i_feed].p_items[i_item+1].psz_title );
447 snprintf( p_sys->psz_marquee, p_sys->i_length, "%s",
448 p_sys->p_feeds[i_feed].p_items[i_item].psz_title
449 +p_sys->i_cur_char );
452 while( strlen( p_sys->psz_marquee ) < (unsigned int)p_sys->i_length )
455 if( i_item == p_sys->p_feeds[i_feed].i_items ) break;
456 snprintf( strchr( p_sys->psz_marquee, 0 ),
457 p_sys->i_length - strlen( p_sys->psz_marquee ),
459 p_sys->p_feeds[i_feed].p_items[i_item].psz_title );
462 /* Calls to snprintf might split multibyte UTF8 chars ...
463 * which freetype doesn't like. */
465 char *a = strdup( p_sys->psz_marquee );
467 char *b = p_sys->psz_marquee;
468 EnsureUTF8( p_sys->psz_marquee );
469 /* we want to use ' ' instead of '?' for erroneous chars */
472 if( *b != *a ) *b = ' ';
478 p_spu->p_region->psz_text = strdup(p_sys->psz_marquee);
479 if( p_sys->p_style->i_font_size > 0 )
480 p_spu->p_region->fmt.i_visible_height = p_sys->p_style->i_font_size;
481 p_spu->i_start = date;
483 p_spu->b_ephemer = true;
485 /* where to locate the string: */
486 if( p_sys->i_pos < 0 )
487 { /* set to an absolute xy */
488 p_spu->p_region->i_align = OSD_ALIGN_LEFT | OSD_ALIGN_TOP;
489 p_spu->b_absolute = true;
492 { /* set to one of the 9 relative locations */
493 p_spu->p_region->i_align = p_sys->i_pos;
494 p_spu->b_absolute = false;
497 p_spu->p_region->p_style = text_style_Duplicate( p_sys->p_style );
501 /* Display the feed's image */
502 picture_t *p_pic = p_feed->p_pic;
503 video_format_t fmt_out;
505 memset( &fmt_out, 0, sizeof(video_format_t) );
507 fmt_out.i_chroma = VLC_CODEC_YUVA;
508 fmt_out.i_aspect = VOUT_ASPECT_FACTOR;
509 fmt_out.i_sar_num = fmt_out.i_sar_den = 1;
511 fmt_out.i_visible_width = p_pic->p[Y_PLANE].i_visible_pitch;
513 fmt_out.i_visible_height = p_pic->p[Y_PLANE].i_visible_lines;
515 p_region = subpicture_region_New( &fmt_out );
518 msg_Err( p_filter, "cannot allocate SPU region" );
522 p_region->i_x = p_sys->i_xoff;
523 p_region->i_y = p_sys->i_yoff;
524 /* FIXME the copy is probably not needed anymore */
525 picture_Copy( p_region->p_picture, p_pic );
526 p_spu->p_region->p_next = p_region;
529 /* Offset text to display right next to the image */
530 p_spu->p_region->i_x = p_pic->p[Y_PLANE].i_visible_pitch;
533 vlc_mutex_unlock( &p_sys->lock );
537 /****************************************************************************
538 * RSS related functions
539 ****************************************************************************
540 * You should always lock the p_filter mutex before using any of these
542 ***************************************************************************/
544 #undef LoadImage /* do not conflict with Win32 API */
546 /****************************************************************************
547 * download and resize image located at psz_url
548 ***************************************************************************/
549 static picture_t *LoadImage( filter_t *p_filter, const char *psz_url )
551 filter_sys_t *p_sys = p_filter->p_sys;
552 video_format_t fmt_in;
553 video_format_t fmt_out;
555 picture_t *p_pic = NULL;
556 image_handler_t *p_handler = image_HandlerCreate( p_filter );
558 memset( &fmt_in, 0, sizeof(video_format_t) );
559 memset( &fmt_out, 0, sizeof(video_format_t) );
561 fmt_out.i_chroma = VLC_CODEC_YUVA;
562 p_orig = image_ReadUrl( p_handler, psz_url, &fmt_in, &fmt_out );
566 msg_Warn( p_filter, "Unable to read image %s", psz_url );
568 else if( p_sys->p_style->i_font_size > 0 )
571 fmt_in.i_chroma = VLC_CODEC_YUVA;
572 fmt_in.i_height = p_orig->p[Y_PLANE].i_visible_lines;
573 fmt_in.i_width = p_orig->p[Y_PLANE].i_visible_pitch;
574 fmt_out.i_width = p_orig->p[Y_PLANE].i_visible_pitch
575 *p_sys->p_style->i_font_size/p_orig->p[Y_PLANE].i_visible_lines;
576 fmt_out.i_height = p_sys->p_style->i_font_size;
578 p_pic = image_Convert( p_handler, p_orig, &fmt_in, &fmt_out );
579 picture_Release( p_orig );
582 msg_Warn( p_filter, "Error while converting %s", psz_url );
590 image_HandlerDelete( p_handler );
595 /****************************************************************************
596 * remove all ' ' '\t' '\n' '\r' characters from the begining and end of the
598 ***************************************************************************/
599 static char *removeWhiteChars( const char *psz_src )
601 char *psz_src2,*psz_clean, *psz_clean2;
602 psz_src2 = psz_clean = strdup( psz_src );
605 while( ( *psz_clean == ' ' || *psz_clean == '\t'
606 || *psz_clean == '\n' || *psz_clean == '\r' )
607 && *psz_clean != '\0' )
611 i = strlen( psz_clean );
613 ( psz_clean[i] == ' ' || psz_clean[i] == '\t'
614 || psz_clean[i] == '\n' || psz_clean[i] == '\r' ) );
615 psz_clean[i+1] = '\0';
616 psz_clean2 = strdup( psz_clean );
622 /****************************************************************************
623 * Parse url list, psz_urls must be non empty
624 ***************************************************************************/
625 static int ParseUrls( filter_t *p_filter, char *psz_urls )
627 filter_sys_t *p_sys = p_filter->p_sys;
628 char *psz_urls2 = psz_urls;
632 /* Count the number of feeds */
635 if( *psz_urls == '|' )
640 /* Allocate the structure */
641 p_sys->p_feeds = malloc( p_sys->i_feeds * sizeof( rss_feed_t ) );
642 if( !p_sys->p_feeds )
645 /* Loop on all urls and fill in the struct */
646 psz_urls = psz_urls2;
647 for( int i = 0; i < p_sys->i_feeds; i++ )
649 rss_feed_t* p_feed = p_sys->p_feeds + i;
652 if( i < p_sys->i_feeds - 1 )
654 psz_end = strchr( psz_urls, '|' );
661 p_feed->p_items = NULL;
662 p_feed->psz_title = NULL;
663 p_feed->psz_link = NULL;
664 p_feed->psz_description = NULL;
665 p_feed->psz_image = NULL;
666 p_feed->p_pic = NULL;
667 p_feed->psz_url = strdup( psz_urls );
669 psz_urls = psz_end + 1;
677 /****************************************************************************
679 ***************************************************************************/
680 static bool ParseFeed( filter_t *p_filter, xml_reader_t *p_xml_reader,
683 VLC_UNUSED(p_filter);
684 char *psz_eltname = NULL;
686 bool b_is_item = false;
687 bool b_is_image = false;
691 while( xml_ReaderRead( p_xml_reader ) == 1 )
693 switch( xml_ReaderNodeType( p_xml_reader ) )
699 case XML_READER_STARTELEM:
701 psz_eltname = xml_ReaderName( p_xml_reader );
706 msg_Dbg( p_filter, "element name: %s", psz_eltname );
709 if( !strcmp( psz_eltname, "item" ) || !strcmp( psz_eltname, "entry" ) )
713 p_feed->p_items = realloc( p_feed->p_items,
714 p_feed->i_items * sizeof( rss_item_t ) );
715 p_feed->p_items[p_feed->i_items-1].psz_title = NULL;
716 p_feed->p_items[p_feed->i_items-1].psz_description = NULL;
717 p_feed->p_items[p_feed->i_items-1].psz_link = NULL;
720 else if( !strcmp( psz_eltname, "image" ) )
725 else if( !strcmp( psz_eltname, "link" ) )
727 char *psz_href = NULL;
728 char *psz_rel = NULL;
729 while( xml_ReaderNextAttr( p_xml_reader ) == VLC_SUCCESS )
731 char *psz_name = xml_ReaderName( p_xml_reader );
732 char *psz_value = xml_ReaderValue( p_xml_reader );
733 if( !strcmp( psz_name, "rel" ) )
738 else if( !strcmp( psz_name, "href" ) )
741 psz_href = psz_value;
750 /* "rel" and "href" must be defined */
751 if( psz_rel && psz_href )
753 if( !strcmp( psz_rel, "alternate" ) && !b_is_item &&
754 !b_is_image && !p_feed->psz_link )
756 p_feed->psz_link = psz_href;
758 /* this isn't in the rfc but i found some ... */
759 else if( ( !strcmp( psz_rel, "logo" ) ||
760 !strcmp( psz_rel, "icon" ) )
761 && !b_is_item && !b_is_image
762 && !p_feed->psz_image )
764 p_feed->psz_image = psz_href;
779 case XML_READER_ENDELEM:
781 psz_eltname = xml_ReaderName( p_xml_reader );
786 msg_Dbg( p_filter, "element end : %s", psz_eltname );
789 if( !strcmp( psz_eltname, "item" ) || !strcmp( psz_eltname, "entry" ) )
795 else if( !strcmp( psz_eltname, "image" ) )
799 FREENULL( psz_eltname );
802 case XML_READER_TEXT:
806 char *psz_eltvalue = xml_ReaderValue( p_xml_reader );
810 char *psz_clean = removeWhiteChars( psz_eltvalue );
811 free( psz_eltvalue );
812 psz_eltvalue = psz_clean;
815 msg_Dbg( p_filter, " text : <%s>", psz_eltvalue );
817 /* Is it an item ? */
820 rss_item_t *p_item = p_feed->p_items+i_item;
822 if( !strcmp( psz_eltname, "title" ) && !p_item->psz_title )
824 p_item->psz_title = psz_eltvalue;
826 else if( !strcmp( psz_eltname, "link" ) /* rss */
827 && !p_item->psz_link )
829 p_item->psz_link = psz_eltvalue;
832 else if( ( !strcmp( psz_eltname, "description" ) ||
833 !strcmp( psz_eltname, "summary" ) )
834 && !p_item->psz_description )
836 p_item->psz_description = psz_eltvalue;
840 free( psz_eltvalue );
843 /* Is it an image ? */
844 else if( b_is_image )
846 if( !strcmp( psz_eltname, "url" ) && !p_feed->psz_image )
847 p_feed->psz_image = psz_eltvalue;
849 free( psz_eltvalue );
854 if( !strcmp( psz_eltname, "title" ) && !p_feed->psz_title )
856 p_feed->psz_title = psz_eltvalue;
859 else if( !strcmp( psz_eltname, "link" ) && !p_feed->psz_link )
861 p_feed->psz_link = psz_eltvalue;
864 else if( ( !strcmp( psz_eltname, "description" ) ||
865 !strcmp( psz_eltname, "subtitle" ) )
866 && !p_feed->psz_description )
868 p_feed->psz_description = psz_eltvalue;
871 else if( ( !strcmp( psz_eltname, "logo" ) ||
872 !strcmp( psz_eltname, "icon" ) )
873 && !p_feed->psz_image )
875 p_feed->psz_image = psz_eltvalue;
879 free( psz_eltvalue );
896 /****************************************************************************
897 * FetchRSS (or Atom) feeds
898 ***************************************************************************/
899 static int FetchRSS( filter_t *p_filter )
901 filter_sys_t *p_sys = p_filter->p_sys;
905 xml_reader_t *p_xml_reader;
907 p_xml = xml_Create( p_filter );
910 msg_Err( p_filter, "Failed to open XML parser" );
914 /* Fetch all feeds and parse them */
915 for( int i_feed = 0; i_feed < p_sys->i_feeds; i_feed++ )
917 rss_feed_t *p_feed = p_sys->p_feeds+i_feed;
919 /* Free the ressources */
920 FREENULL( p_feed->psz_title );
921 FREENULL( p_feed->psz_description );
922 FREENULL( p_feed->psz_link );
923 FREENULL( p_feed->psz_image );
926 picture_Release( p_feed->p_pic );
927 p_feed->p_pic = NULL;
929 for( int i = 0; i < p_feed->i_items; i++ )
931 rss_item_t *p_item = p_feed->p_items + i;
932 free( p_item->psz_title );
933 free( p_item->psz_link );
934 free( p_item->psz_description );
937 FREENULL( p_feed->p_items );
940 msg_Dbg( p_filter, "opening %s RSS/Atom feed ...", p_feed->psz_url );
942 p_stream = stream_UrlNew( p_filter, p_feed->psz_url );
945 msg_Err( p_filter, "Failed to open %s for reading", p_feed->psz_url );
950 p_xml_reader = xml_ReaderCreate( p_xml, p_stream );
953 msg_Err( p_filter, "Failed to open %s for parsing", p_feed->psz_url );
958 if( !ParseFeed( p_filter, p_xml_reader, p_feed ) )
961 /* If we have a image: load it if requiere */
962 if( p_sys->b_images == true
963 && p_feed->psz_image && !p_feed->p_pic )
965 p_feed->p_pic = LoadImage( p_filter, p_feed->psz_image );
968 msg_Dbg( p_filter, "done with %s RSS/Atom feed", p_feed->psz_url );
969 xml_ReaderDelete( p_xml, p_xml_reader );
970 stream_Delete( p_stream );
979 xml_ReaderDelete( p_xml, p_xml_reader );
981 stream_Delete( p_stream );
988 /****************************************************************************
990 ***************************************************************************/
991 static void FreeRSS( filter_t *p_filter)
993 filter_sys_t *p_sys = p_filter->p_sys;
995 for( int i_feed = 0; i_feed < p_sys->i_feeds; i_feed++ )
997 rss_feed_t *p_feed = p_sys->p_feeds+i_feed;
998 for( int i_item = 0; i_item < p_feed->i_items; i_item++ )
1000 rss_item_t *p_item = p_feed->p_items+i_item;
1001 free( p_item->psz_title );
1002 free( p_item->psz_link );
1003 free( p_item->psz_description );
1005 free( p_feed->p_items );
1006 free( p_feed->psz_title);
1007 free( p_feed->psz_link );
1008 free( p_feed->psz_description );
1009 free( p_feed->psz_image );
1010 if( p_feed->p_pic != NULL )
1011 picture_Release( p_feed->p_pic );
1012 free( p_feed->psz_url );
1014 free( p_sys->p_feeds );