int tt_nodes_Read( xml_reader_t *p_reader, tt_node_t *p_root_node )
{
size_t i_depth = 0;
tt_node_t *p_node = p_root_node;
do
{
const char* psz_node_name;
int i_type = xml_ReaderNextNode( p_reader, &psz_node_name );
/* !warn read empty state now as attributes reading will **** it up */
bool b_empty = xml_ReaderIsEmptyElement( p_reader );
if( i_type <= XML_READER_NONE )
break;
switch( i_type )
{
default:
break;
case XML_READER_STARTELEM:
{
tt_node_t *p_newnode = tt_node_New( p_reader, p_node, psz_node_name );
if( !p_newnode )
return VLC_EGENERIC;
if( !b_empty )
{
p_node = p_newnode;
i_depth++;
}
break;
}
case XML_READER_TEXT:
{
tt_textnode_t *p_textnode = tt_textnode_New( p_node, psz_node_name );
VLC_UNUSED(p_textnode);
}
break;
case XML_READER_ENDELEM:
{
if( strcmp( psz_node_name, p_node->psz_node_name ) )
return VLC_EGENERIC;
if( i_depth == 0 )
{
if( p_node != p_root_node )
return VLC_EGENERIC;
break; /* END */
}
i_depth--;
p_node = p_node->p_parent;
break;
}
}
} while( 1 );
return VLC_SUCCESS;
}
static int ReadTTML( demux_t* p_demux )
{
demux_sys_t* p_sys = p_demux->p_sys;
const char* psz_node_name;
do
{
int i_type = xml_ReaderNextNode( p_sys->p_reader, &psz_node_name );
bool b_empty = xml_ReaderIsEmptyElement( p_sys->p_reader );
if( i_type <= XML_READER_NONE )
break;
switch(i_type)
{
default:
break;
case XML_READER_STARTELEM:
if( tt_node_NameCompare( psz_node_name, "tt" ) ||
p_sys->p_rootnode != NULL )
return VLC_EGENERIC;
p_sys->p_rootnode = tt_node_New( p_sys->p_reader, NULL, psz_node_name );
if( b_empty )
break;
if( !p_sys->p_rootnode ||
tt_nodes_Read( p_sys->p_reader, p_sys->p_rootnode ) != VLC_SUCCESS )
return VLC_EGENERIC;
break;
case XML_READER_ENDELEM:
if( !p_sys->p_rootnode ||
tt_node_NameCompare( psz_node_name, p_sys->p_rootnode->psz_node_name ) )
return VLC_EGENERIC;
break;
}
} while( 1 );
if( p_sys->p_rootnode == NULL )
return VLC_EGENERIC;
return VLC_SUCCESS;
}