static bool save_data( track_elem_t *p_track, const char *psz_name, char *psz_value) { /* exit if setting is impossible */ if( !psz_name || !psz_value || !p_track ) return false; /* re-convert xml special characters inside psz_value */ resolve_xml_special_chars( psz_value ); #define SAVE_INFO( name, value ) \ if( !strcmp( psz_name, name ) ) { p_track->value = strdup( psz_value ); } SAVE_INFO( "Name", name ) else SAVE_INFO( "Artist", artist ) else SAVE_INFO( "Album", album ) else SAVE_INFO( "Genre", genre ) else SAVE_INFO( "Track Number", trackNum ) else SAVE_INFO( "Location", location ) else if( !strcmp( psz_name, "Total Time" ) ) { long i_num = atol( psz_value ); p_track->duration = (mtime_t) i_num*1000; } #undef SAVE_INFO return true; }
static int Demux( demux_t *p_demux ) { char *psz_line; input_item_t *p_current_input = GetCurrentItem(p_demux); input_item_node_t *p_subitems = input_item_node_Create( p_current_input ); while( (psz_line = stream_ReadLine( p_demux->s )) ) { char *psz_parse = psz_line; /* Skip leading tabs and spaces */ while( *psz_parse == ' ' || *psz_parse == '\t' || *psz_parse == '\n' || *psz_parse == '\r' ) psz_parse++; /* if the line is the uri of the media item */ if( !strncasecmp( psz_parse, "<media src=\"", strlen( "<media src=\"" ) ) ) { char *psz_uri = psz_parse + strlen( "<media src=\"" ); psz_parse = strchr( psz_uri, '"' ); if( psz_parse != NULL ) { *psz_parse = '\0'; resolve_xml_special_chars( psz_uri ); psz_uri = ProcessMRL( psz_uri, p_demux->p_sys->psz_prefix ); if( psz_uri != NULL ) { input_item_t *p_input; p_input = input_item_NewExt( psz_uri, psz_uri, 0, NULL, 0, -1 ); input_item_node_AppendItem( p_subitems, p_input ); vlc_gc_decref( p_input ); free( psz_uri ); } } } /* Fetch another line */ free( psz_line ); } input_item_node_PostAndDelete( p_subitems ); vlc_gc_decref(p_current_input); var_Destroy( p_demux, "wpl-extvlcopt" ); return 0; /* Needed for correct operation of go back */ }
static int vlclua_resolve_xml_special_chars( lua_State *L ) { int i_top = lua_gettop( L ); int i; for( i = 1; i <= i_top; i++ ) { const char *psz_cstring = luaL_checkstring( L, 1 ); char *psz_string = strdup( psz_cstring ); lua_remove( L, 1 ); /* remove elements to prevent being limited by * the stack's size (this function will work with * up to (stack size - 1) arguments */ resolve_xml_special_chars( psz_string ); lua_pushstring( L, psz_string ); free( psz_string ); } return i_top; }
static void ReadElement( xml_reader_t *p_xml_reader, char **ppsz_txt ) { const char *psz_node = NULL; /* Read the text node */ xml_ReaderNextNode( p_xml_reader, &psz_node ); free( *ppsz_txt ); *ppsz_txt = strdup( psz_node ); resolve_xml_special_chars( *ppsz_txt ); /* Read the end element */ xml_ReaderNextNode( p_xml_reader, &psz_node ); /* TODO : * Currently we don't check the agreement of start and end element * This function is only used to read the element that cannot have child * according to the reference. */ }
static int Demux( demux_t *p_demux ) { const char *psz_node = NULL; char *psz_txt = NULL; char *psz_base = FindPrefix( p_demux ); char *psz_title_asx = NULL; char *psz_entryref = NULL; xml_reader_t *p_xml_reader = NULL; input_item_t *p_current_input = GetCurrentItem( p_demux ); input_item_node_t *p_subitems = NULL; bool b_first_node = false; int i_type; int i_n_entry = 0; p_xml_reader = xml_ReaderCreate( p_demux, p_demux->s ); if( !p_xml_reader ) { msg_Err( p_demux, "Cannot parse ASX input file as XML"); goto error; } p_subitems = input_item_node_Create( p_current_input ); do { i_type = xml_ReaderNextNode( p_xml_reader, &psz_node ); if( i_type == XML_READER_STARTELEM ) { if( !b_first_node ) { if(!strncasecmp( psz_node, "ASX", 3 ) ) b_first_node = true; else { msg_Err( p_demux, "invalid root node" ); goto error; } } /* Metadata Node Handler */ if( !strncasecmp( psz_node, "TITLE", 5 ) ) { ReadElement( p_xml_reader, &psz_title_asx ); input_item_SetTitle( p_current_input, psz_title_asx ); } else if( !strncasecmp( psz_node, "AUTHOR", 6 ) ) { ReadElement( p_xml_reader, &psz_txt ); input_item_SetArtist( p_current_input, psz_txt ); } else if( !strncasecmp( psz_node, "COPYRIGHT", 9 ) ) { ReadElement( p_xml_reader, &psz_txt ); input_item_SetCopyright( p_current_input, psz_txt ); } else if( !strncasecmp( psz_node, "MOREINFO", 8 ) ) { const char *psz_tmp; do { psz_tmp = xml_ReaderNextAttr( p_xml_reader, &psz_node ); } while( psz_tmp && strncasecmp( psz_tmp, "HREF", 4 ) ); if( !psz_tmp ) // If HREF attribute doesn't exist ReadElement( p_xml_reader, &psz_txt ); else psz_txt = strdup( psz_node ); resolve_xml_special_chars( psz_txt ); input_item_SetURL( p_current_input, psz_txt ); } else if( !strncasecmp( psz_node, "ABSTRACT", 8 ) ) { ReadElement( p_xml_reader, &psz_txt ); input_item_SetDescription( p_current_input, psz_txt ); } else /* Base Node handler */ if( !strncasecmp( psz_node, "BASE", 4 ) ) ReadElement( p_xml_reader, &psz_base ); else /* Entry Ref Handler */ if( !strncasecmp( psz_node, "ENTRYREF", 7 ) ) { const char *psz_tmp; do { psz_tmp = xml_ReaderNextAttr( p_xml_reader, &psz_node ); } while( psz_tmp && !strncasecmp( psz_tmp, "HREF", 4 ) ); /* Create new input item */ input_item_t *p_input; psz_txt = strdup( psz_node ); resolve_xml_special_chars( psz_txt ); p_input = input_item_New( psz_txt, psz_title_asx ); input_item_CopyOptions( p_current_input, p_input ); input_item_node_AppendItem( p_subitems, p_input ); vlc_gc_decref( p_input ); } else /* Entry Handler */ if( !strncasecmp( psz_node, "ENTRY", 5 ) ) { ProcessEntry( &i_n_entry, p_xml_reader, p_subitems, p_current_input, psz_base); } /* FIXME Unsupported elements PARAM EVENT REPEAT ENDMARK STARTMARK */ } } while( i_type != XML_READER_ENDELEM || strncasecmp( psz_node, "ASX", 3 ) ); input_item_node_PostAndDelete( p_subitems ); p_subitems = NULL; error: free( psz_base ); free( psz_title_asx ); free( psz_entryref ); free( psz_txt ); if( p_xml_reader) xml_ReaderDelete( p_xml_reader ); if( p_subitems ) input_item_node_Delete( p_subitems ); vlc_gc_decref( p_current_input ); return 0; }
static void ProcessEntry( int *pi_n_entry, xml_reader_t *p_xml_reader, input_item_node_t *p_subitems, input_item_t *p_current_input, char *psz_prefix ) { const char *psz_node = NULL; const char *psz_txt = NULL; int i_type; char *psz_title = NULL; char *psz_artist = NULL; char *psz_copyright = NULL; char *psz_moreinfo = NULL; char *psz_description = NULL; char *psz_name = NULL; char *psz_mrl = NULL; char *psz_href = NULL; input_item_t *p_entry = NULL; int i_options; mtime_t i_start = 0; mtime_t i_duration = 0; char *ppsz_options[2]; do { i_type = xml_ReaderNextNode( p_xml_reader, &psz_node ); if( i_type == XML_READER_STARTELEM ) { /* Metadata Node */ if( !strncasecmp( psz_node, "TITLE", 5 ) ) ReadElement( p_xml_reader, &psz_title ); else if( !strncasecmp( psz_node, "AUTHOR", 6 ) ) ReadElement( p_xml_reader, &psz_artist ); else if( !strncasecmp( psz_node, "COPYRIGHT", 9 ) ) ReadElement( p_xml_reader, &psz_copyright ); else if( !strncasecmp( psz_node,"MOREINFO", 8 ) ) { do { psz_txt = xml_ReaderNextAttr( p_xml_reader, &psz_node ); } while(psz_txt && strncasecmp( psz_txt, "HREF", 4 ) ); if( !psz_txt ) ReadElement( p_xml_reader, &psz_moreinfo ); else psz_moreinfo = strdup( psz_node ); resolve_xml_special_chars( psz_moreinfo ); } else if( !strncasecmp( psz_node, "ABSTRACT", 8 ) ) ReadElement( p_xml_reader, &psz_description ); else if( !strncasecmp( psz_node, "DURATION", 8 ) ) i_duration = ParseTime( p_xml_reader ); else if( !strncasecmp( psz_node, "STARTTIME", 9 ) ) i_start = ParseTime( p_xml_reader ); else /* Reference Node */ /* All ref node will be converted into an entry */ if( !strncasecmp( psz_node, "REF", 3 ) ) { *pi_n_entry = *pi_n_entry + 1; if( !psz_title ) psz_title = input_item_GetTitle( p_current_input ); if( !psz_artist ) psz_artist = input_item_GetArtist( p_current_input ); if( !psz_copyright ) psz_copyright = input_item_GetCopyright( p_current_input ); if( !psz_description ) psz_description = input_item_GetDescription( p_current_input ); do { psz_txt = xml_ReaderNextAttr( p_xml_reader, &psz_node ); } while( strncasecmp( psz_txt, "HREF", 4) ); psz_href = strdup( psz_node ); if( asprintf( &psz_name, "%d. %s", *pi_n_entry, psz_title ) == -1) psz_name = strdup( psz_title ); resolve_xml_special_chars( psz_href ); psz_mrl = ProcessMRL( psz_href, psz_prefix ); /* Add Time information */ i_options = 0; if( i_start ) { if( asprintf( ppsz_options, ":start-time=%d" ,(int) i_start/1000000 ) != -1) i_options++; } if( i_duration) { if( asprintf( ppsz_options + i_options, ":stop-time=%d", (int) (i_start+i_duration)/1000000 ) != -1) i_options++; } /* Create the input item */ p_entry = input_item_NewExt( psz_mrl, psz_name, i_options, (const char* const*) ppsz_options, VLC_INPUT_OPTION_TRUSTED, i_duration ); input_item_CopyOptions( p_current_input, p_entry ); /* Add the metadata */ if( psz_name ) input_item_SetTitle( p_entry, psz_name ); if( psz_artist ) input_item_SetArtist( p_entry, psz_artist ); if( psz_copyright ) input_item_SetCopyright( p_entry, psz_copyright ); if( psz_moreinfo ) input_item_SetURL( p_entry, psz_moreinfo ); if( psz_description ) input_item_SetDescription( p_entry, psz_description ); if( i_duration > 0) input_item_SetDuration( p_entry, i_duration ); input_item_node_AppendItem( p_subitems, p_entry ); while( i_options ) free( ppsz_options[--i_options] ); free( psz_name ); free( psz_mrl ); } } } while( i_type != XML_READER_ENDELEM || strncasecmp( psz_node, "ENTRY", 5 ) ); free( psz_href ); free( psz_title ); free( psz_artist ); free( psz_copyright ); free( psz_moreinfo ); free( psz_description ); }
/* "specs" : http://phobos.apple.com/static/iTunesRSS.html */ static int Demux( demux_t *p_demux ) { bool b_item = false; bool b_image = false; xml_reader_t *p_xml_reader; char *psz_elname = NULL; char *psz_item_mrl = NULL; char *psz_item_size = NULL; char *psz_item_type = NULL; char *psz_item_name = NULL; char *psz_item_date = NULL; char *psz_item_author = NULL; char *psz_item_category = NULL; char *psz_item_duration = NULL; char *psz_item_keywords = NULL; char *psz_item_subtitle = NULL; char *psz_item_summary = NULL; char *psz_art_url = NULL; const char *node; int i_type; input_item_t *p_input; input_item_node_t *p_subitems = NULL; input_item_t *p_current_input = GetCurrentItem(p_demux); p_xml_reader = xml_ReaderCreate( p_demux, p_demux->s ); if( !p_xml_reader ) goto error; /* xml */ /* check root node */ if( xml_ReaderNextNode( p_xml_reader, &node ) != XML_READER_STARTELEM ) { msg_Err( p_demux, "invalid file (no root node)" ); goto error; } if( strcmp( node, "rss" ) ) { msg_Err( p_demux, "invalid root node <%s>", node ); goto error; } p_subitems = input_item_node_Create( p_current_input ); while( (i_type = xml_ReaderNextNode( p_xml_reader, &node )) > 0 ) { switch( i_type ) { case XML_READER_STARTELEM: { free( psz_elname ); psz_elname = strdup( node ); if( unlikely(!node) ) goto error; if( !strcmp( node, "item" ) ) b_item = true; else if( !strcmp( node, "image" ) ) b_image = true; // Read the attributes const char *attr, *value; while( (attr = xml_ReaderNextAttr( p_xml_reader, &value )) ) { if( !strcmp( node, "enclosure" ) ) { char **p = NULL; if( !strcmp( attr, "url" ) ) p = &psz_item_mrl; else if( !strcmp( attr, "length" ) ) p = &psz_item_size; else if( !strcmp( attr, "type" ) ) p = &psz_item_type; if( p != NULL ) { free( *p ); *p = strdup( value ); } else msg_Dbg( p_demux,"unhandled attribute %s in <%s>", attr, node ); } else msg_Dbg( p_demux,"unhandled attribute %s in <%s>", attr, node ); } break; } case XML_READER_TEXT: { if(!psz_elname) break; /* item specific meta data */ if( b_item ) { char **p; if( !strcmp( psz_elname, "title" ) ) p = &psz_item_name; else if( !strcmp( psz_elname, "itunes:author" ) || !strcmp( psz_elname, "author" ) ) /* <author> isn't standard iTunes podcast stuff */ p = &psz_item_author; else if( !strcmp( psz_elname, "itunes:summary" ) || !strcmp( psz_elname, "description" ) ) /* <description> isn't standard iTunes podcast stuff */ p = &psz_item_summary; else if( !strcmp( psz_elname, "pubDate" ) ) p = &psz_item_date; else if( !strcmp( psz_elname, "itunes:category" ) ) p = &psz_item_category; else if( !strcmp( psz_elname, "itunes:duration" ) ) p = &psz_item_duration; else if( !strcmp( psz_elname, "itunes:keywords" ) ) p = &psz_item_keywords; else if( !strcmp( psz_elname, "itunes:subtitle" ) ) p = &psz_item_subtitle; else break; free( *p ); *p = strdup( node ); } /* toplevel meta data */ else if( !b_image ) { if( !strcmp( psz_elname, "title" ) ) input_item_SetName( p_current_input, node ); #define ADD_GINFO( info, name ) \ else if( !strcmp( psz_elname, name ) ) \ input_item_AddInfo( p_current_input, _("Podcast Info"), \ info, "%s", node ); ADD_GINFO( _("Podcast Link"), "link" ) ADD_GINFO( _("Podcast Copyright"), "copyright" ) ADD_GINFO( _("Podcast Category"), "itunes:category" ) ADD_GINFO( _("Podcast Keywords"), "itunes:keywords" ) ADD_GINFO( _("Podcast Subtitle"), "itunes:subtitle" ) #undef ADD_GINFO else if( !strcmp( psz_elname, "itunes:summary" ) || !strcmp( psz_elname, "description" ) ) { /* <description> isn't standard iTunes podcast stuff */ input_item_AddInfo( p_current_input, _( "Podcast Info" ), _( "Podcast Summary" ), "%s", node ); } } else { if( !strcmp( psz_elname, "url" ) ) { free( psz_art_url ); psz_art_url = strdup( node ); } else msg_Dbg( p_demux, "unhandled text in element <%s>", psz_elname ); } break; } // End element case XML_READER_ENDELEM: { FREENULL( psz_elname ); if( !strcmp( node, "item" ) ) { if( psz_item_mrl == NULL ) { if (psz_item_name) msg_Warn( p_demux, "invalid XML item, skipping %s", psz_item_name ); else msg_Warn( p_demux, "invalid XML item, skipped" ); FREENULL( psz_item_name ); FREENULL( psz_item_size ); FREENULL( psz_item_type ); FREENULL( psz_item_date ); FREENULL( psz_item_author ); FREENULL( psz_item_category ); FREENULL( psz_item_duration ); FREENULL( psz_item_keywords ); FREENULL( psz_item_subtitle ); FREENULL( psz_item_summary ); FREENULL( psz_art_url ); FREENULL( psz_elname ); continue; } resolve_xml_special_chars( psz_item_mrl ); resolve_xml_special_chars( psz_item_name ); p_input = input_item_New( psz_item_mrl, psz_item_name ); FREENULL( psz_item_mrl ); FREENULL( psz_item_name ); if( p_input == NULL ) break; /* FIXME: meta data memory leaks? */ /* Set the duration if available */ if( psz_item_duration ) input_item_SetDuration( p_input, strTimeToMTime( psz_item_duration ) ); #define ADD_INFO( info, field ) \ if( field ) { \ input_item_AddInfo( p_input, _( "Podcast Info" ), (info), "%s", \ (field) ); \ FREENULL( field ); } ADD_INFO( _("Podcast Publication Date"), psz_item_date ); ADD_INFO( _("Podcast Author"), psz_item_author ); ADD_INFO( _("Podcast Subcategory"), psz_item_category ); ADD_INFO( _("Podcast Duration"), psz_item_duration ); ADD_INFO( _("Podcast Keywords"), psz_item_keywords ); ADD_INFO( _("Podcast Subtitle"), psz_item_subtitle ); ADD_INFO( _("Podcast Summary"), psz_item_summary ); ADD_INFO( _("Podcast Type"), psz_item_type ); #undef ADD_INFO /* Add the global art url to this item, if any */ if( psz_art_url ) { resolve_xml_special_chars( psz_art_url ); input_item_SetArtURL( p_input, psz_art_url ); } if( psz_item_size ) { input_item_AddInfo( p_input, _( "Podcast Info" ), _( "Podcast Size" ), _("%s bytes"), psz_item_size ); FREENULL( psz_item_size ); } input_item_node_AppendItem( p_subitems, p_input ); vlc_gc_decref( p_input ); b_item = false; } else if( !strcmp( node, "image" ) ) { b_image = false; } break; } } }