/****************************************************************************
* 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);
const char *node;
char *psz_eltname = NULL;
bool b_is_item = false;
bool b_is_image = false;
int i_item = 0;
int type;
while( (type = xml_ReaderNextNode( p_xml_reader, &node )) > 0 )
{
switch( type )
{
case XML_READER_STARTELEM:
#ifdef RSS_DEBUG
msg_Dbg( p_filter, "element <%s>", node );
#endif
psz_eltname = strdup( node );
if( unlikely(!psz_eltname) )
goto end;
/* rss or atom */
if( !strcmp( node, "item" ) || !strcmp( node, "entry" ) )
{
b_is_item = true;
p_feed->i_items++;
p_feed->p_items = (rss_item_t *)xrealloc( p_feed->p_items,
p_feed->i_items * sizeof( rss_item_t ) ); // sunqueen modify
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( node, "image" ) )
{
b_is_image = true;
}
/* atom */
else if( !strcmp( node, "link" ) )
{
const char *name, *value;
char *psz_href = NULL;
char *psz_rel = NULL;
while( (name = xml_ReaderNextAttr( p_xml_reader, &value )) != NULL )
{
if( !strcmp( name, "rel" ) )
{
free( psz_rel );
psz_rel = strdup( value );
}
else if( !strcmp( name, "href" ) )
{
free( psz_href );
psz_href = strdup( value );
}
}
/* "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:
FREENULL( psz_eltname );
#ifdef RSS_DEBUG
msg_Dbg( p_filter, "element end </%s>", node );
#endif
/* rss or atom */
if( !strcmp( node, "item" ) || !strcmp( node, "entry" ) )
{
b_is_item = false;
i_item++;
}
/* rss */
else if( !strcmp( node, "image" ) )
{
b_is_image = false;
}
break;
case XML_READER_TEXT:
{
if( !psz_eltname )
break;
char *psz_eltvalue = removeWhiteChars( node );
#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;
}
/****************************************************************************
* 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 = xrealloc( 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;
}
