* itml.c : iTunes Music Library import functions
*******************************************************************************
* Copyright (C) 2007 the VideoLAN team
- * $Id: $
+ * $Id$
*
* Authors: Yoann Peronneau <yoann@videolan.org>
*
* \brief iTunes Music Library import functions
*/
-#include <vlc/vlc.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
#include <vlc_demux.h>
+#include <vlc_xml.h>
+#include <vlc_strings.h>
+#include <vlc_url.h>
-#include "playlist.h"
-#include "vlc_xml.h"
-#include "vlc_strings.h"
-#include "vlc_url.h"
#include "itml.h"
+#include "playlist.h"
struct demux_sys_t
{
int i_ntracks;
};
-static int Control( demux_t *, int, va_list );
static int Demux( demux_t * );
/**
* \brief iTML submodule initialization function
*/
-int E_(Import_iTML)( vlc_object_t *p_this )
+int Import_iTML( vlc_object_t *p_this )
{
DEMUX_BY_EXTENSION_OR_FORCED_MSG( ".xml", "itml",
"using iTunes Media Library reader" );
return VLC_SUCCESS;
}
-void E_(Close_iTML)( vlc_object_t *p_this )
+void Close_iTML( vlc_object_t *p_this )
{
demux_t *p_demux = (demux_t *)p_this;
free( p_demux->p_sys );
*/
int Demux( demux_t *p_demux )
{
- int i_ret = VLC_SUCCESS;
- xml_t *p_xml = NULL;
- xml_reader_t *p_xml_reader = NULL;
- char *psz_name = NULL;
- INIT_PLAYLIST_STUFF;
+ xml_reader_t *p_xml_reader;
+ const char *node;
+
+ input_item_t *p_current_input = GetCurrentItem(p_demux);
p_demux->p_sys->i_ntracks = 0;
/* create new xml parser from stream */
- p_xml = xml_Create( p_demux );
- if( !p_xml )
- i_ret = VLC_ENOMOD;
- else
- {
- p_xml_reader = xml_ReaderCreate( p_xml, p_demux->s );
- if( !p_xml_reader )
- i_ret = VLC_EGENERIC;
- }
+ p_xml_reader = xml_ReaderCreate( p_demux, p_demux->s );
+ if( !p_xml_reader )
+ goto end;
/* locating the root node */
- if( i_ret == VLC_SUCCESS )
- {
- do
- {
- if( xml_ReaderRead( p_xml_reader ) != 1 )
- {
- msg_Err( p_demux, "can't read xml stream" );
- i_ret = VLC_EGENERIC;
- }
- } while( i_ret == VLC_SUCCESS &&
- xml_ReaderNodeType( p_xml_reader ) != XML_READER_STARTELEM );
- }
- /* checking root node name */
- if( i_ret == VLC_SUCCESS )
+ int type;
+ do
{
- psz_name = xml_ReaderName( p_xml_reader );
- if( !psz_name || strcmp( psz_name, "plist" ) )
+ type = xml_ReaderNextNode( p_xml_reader, &node );
+ if( type <= 0 )
{
- msg_Err( p_demux, "invalid root node name: %s", psz_name );
- i_ret = VLC_EGENERIC;
+ msg_Err( p_demux, "can't read xml stream" );
+ goto end;
}
- FREE_NAME();
}
+ while( type != XML_READER_STARTELEM );
- if( i_ret == VLC_SUCCESS )
+ /* checking root node name */
+ if( strcmp( node, "plist" ) )
{
- xml_elem_hnd_t pl_elements[] =
- { {"dict", COMPLEX_CONTENT, {.cmplx = parse_plist_dict} } };
- i_ret = parse_plist_node( p_demux, p_playlist, p_current_input,
- NULL, p_xml_reader, "plist",
- pl_elements );
- HANDLE_PLAY_AND_RELEASE;
+ msg_Err( p_demux, "invalid root node <%s>", node );
+ goto end;
}
+ input_item_node_t *p_subitems = input_item_node_Create( p_current_input );
+ xml_elem_hnd_t pl_elements[] =
+ { {"dict", COMPLEX_CONTENT, {.cmplx = parse_plist_dict} } };
+ parse_plist_node( p_demux, p_subitems, NULL, p_xml_reader, "plist",
+ pl_elements );
+ input_item_node_PostAndDelete( p_subitems );
+
+ vlc_gc_decref(p_current_input);
+
+end:
if( p_xml_reader )
- xml_ReaderDelete( p_xml, p_xml_reader );
- if( p_xml )
- xml_Delete( p_xml );
- return 0; /* Needed for correct operation of go back */
-}
+ xml_ReaderDelete( p_xml_reader );
-/** \brief dummy function for demux callback interface */
-static int Control( demux_t *p_demux, int i_query, va_list args )
-{
- return VLC_EGENERIC;
+ /* Needed for correct operation of go back */
+ return 0;
}
/**
* \brief parse the root node of the playlist
*/
-static vlc_bool_t parse_plist_node COMPLEX_INTERFACE
+static bool parse_plist_node( demux_t *p_demux, input_item_node_t *p_input_node,
+ track_elem_t *p_track, xml_reader_t *p_xml_reader,
+ const char *psz_element,
+ xml_elem_hnd_t *p_handlers )
{
- char *psz_name = NULL;
- char *psz_value = NULL;
- vlc_bool_t b_version_found = VLC_FALSE;
+ VLC_UNUSED(p_track); VLC_UNUSED(psz_element);
+ const char *attr, *value;
+ bool b_version_found = false;
/* read all playlist attributes */
- while( xml_ReaderNextAttr( p_xml_reader ) == VLC_SUCCESS )
+ while( (attr = xml_ReaderNextAttr( p_xml_reader, &value )) != NULL )
{
- psz_name = xml_ReaderName( p_xml_reader );
- psz_value = xml_ReaderValue( p_xml_reader );
- if( !psz_name || !psz_value )
- {
- msg_Err( p_demux, "invalid xml stream @ <plist>" );
- FREE_ATT();
- return VLC_FALSE;
- }
/* attribute: version */
- if( !strcmp( psz_name, "version" ) )
+ if( !strcmp( attr, "version" ) )
{
- b_version_found = VLC_TRUE;
- if( strcmp( psz_value, "1.0" ) )
+ b_version_found = true;
+ if( strcmp( value, "1.0" ) )
msg_Warn( p_demux, "unsupported iTunes Media Library version" );
}
/* unknown attribute */
else
- msg_Warn( p_demux, "invalid <plist> attribute:\"%s\"", psz_name);
-
- FREE_ATT();
+ msg_Warn( p_demux, "invalid <plist> attribute:\"%s\"", attr );
}
+
/* attribute version is mandatory !!! */
if( !b_version_found )
msg_Warn( p_demux, "<plist> requires \"version\" attribute" );
- return parse_dict( p_demux, p_playlist, p_input_item, NULL, p_xml_reader,
+ return parse_dict( p_demux, p_input_node, NULL, p_xml_reader,
"plist", p_handlers );
}
* \brief parse a <dict>
* \param COMPLEX_INTERFACE
*/
-static vlc_bool_t parse_dict COMPLEX_INTERFACE
+static bool parse_dict( demux_t *p_demux, input_item_node_t *p_input_node,
+ track_elem_t *p_track, xml_reader_t *p_xml_reader,
+ const char *psz_element, xml_elem_hnd_t *p_handlers )
{
int i_node;
- char *psz_name = NULL;
+ const char *node;
char *psz_value = NULL;
char *psz_key = NULL;
xml_elem_hnd_t *p_handler = NULL;
+ bool b_ret = false;
- while( xml_ReaderRead( p_xml_reader ) == 1 )
+ while( (i_node = xml_ReaderNextNode( p_xml_reader, &node )) > 0 )
{
- i_node = xml_ReaderNodeType( p_xml_reader );
switch( i_node )
{
- case XML_READER_NONE:
- break;
-
- case XML_READER_STARTELEM:
- /* element start tag */
- psz_name = xml_ReaderName( p_xml_reader );
- if( !psz_name || !*psz_name )
- {
- msg_Err( p_demux, "invalid xml stream" );
- FREE_ATT_KEY();
- return VLC_FALSE;
- }
- /* choose handler */
- for( p_handler = p_handlers;
- p_handler->name && strcmp( psz_name, p_handler->name );
+ /* element start tag */
+ case XML_READER_STARTELEM:
+ if( !*node )
+ {
+ msg_Err( p_demux, "invalid XML stream" );
+ goto end;
+ }
+ /* choose handler */
+ for( p_handler = p_handlers;
+ p_handler->name && strcmp( node, p_handler->name );
p_handler++ );
- if( !p_handler->name )
- {
- msg_Err( p_demux, "unexpected element <%s>", psz_name );
- FREE_ATT_KEY();
- return VLC_FALSE;
- }
- FREE_NAME();
- /* complex content is parsed in a separate function */
- if( p_handler->type == COMPLEX_CONTENT )
- {
- if( p_handler->pf_handler.cmplx( p_demux,
- p_playlist,
- p_input_item,
- NULL,
- p_xml_reader,
- p_handler->name,
- NULL ) )
- {
- p_handler = NULL;
- FREE_ATT_KEY();
- }
- else
- {
- FREE_ATT_KEY();
- return VLC_FALSE;
- }
- }
- break;
-
- case XML_READER_TEXT:
- /* simple element content */
- FREE_ATT();
- psz_value = xml_ReaderValue( p_xml_reader );
- if( !psz_value )
- {
- msg_Err( p_demux, "invalid xml stream" );
- FREE_ATT_KEY();
- return VLC_FALSE;
- }
- break;
-
- case XML_READER_ENDELEM:
- /* element end tag */
- psz_name = xml_ReaderName( p_xml_reader );
- if( !psz_name )
- {
- msg_Err( p_demux, "invalid xml stream" );
- FREE_ATT_KEY();
- return VLC_FALSE;
- }
- /* leave if the current parent node <track> is terminated */
- if( !strcmp( psz_name, psz_element ) )
- {
- FREE_ATT_KEY();
- return VLC_TRUE;
- }
- /* there MUST have been a start tag for that element name */
- if( !p_handler || !p_handler->name
- || strcmp( p_handler->name, psz_name ))
+ if( !p_handler->name )
+ {
+ msg_Err( p_demux, "unexpected element <%s>", node );
+ goto end;
+ }
+ /* complex content is parsed in a separate function */
+ if( p_handler->type == COMPLEX_CONTENT )
+ {
+ if( p_handler->pf_handler.cmplx( p_demux, p_input_node, NULL,
+ p_xml_reader, p_handler->name,
+ NULL ) )
{
- msg_Err( p_demux, "there's no open element left for <%s>",
- psz_name );
+ p_handler = NULL;
FREE_ATT_KEY();
- return VLC_FALSE;
- }
- /* special case: key */
- if( !strcmp( p_handler->name, "key" ) )
- {
- psz_key = strdup( psz_value );
- }
- /* call the simple handler */
- else if( p_handler->pf_handler.smpl )
- {
- p_handler->pf_handler.smpl( p_track, psz_key, psz_value );
}
- FREE_ATT();
- p_handler = NULL;
- break;
-
- default:
- /* unknown/unexpected xml node */
- msg_Err( p_demux, "unexpected xml node %i", i_node );
- FREE_ATT_KEY();
- return VLC_FALSE;
+ else
+ goto end;
+ }
+ break;
+
+ /* simple element content */
+ case XML_READER_TEXT:
+ free( psz_value );
+ psz_value = strdup( node );
+ if( unlikely(!psz_value) )
+ goto end;
+ break;
+
+ /* element end tag */
+ case XML_READER_ENDELEM:
+ /* leave if the current parent node <track> is terminated */
+ if( !strcmp( node, psz_element ) )
+ {
+ b_ret = true;
+ goto end;
+ }
+ /* there MUST have been a start tag for that element name */
+ if( !p_handler || !p_handler->name
+ || strcmp( p_handler->name, node ) )
+ {
+ msg_Err( p_demux, "there's no open element left for <%s>",
+ node );
+ goto end;
+ }
+ /* special case: key */
+ if( !strcmp( p_handler->name, "key" ) )
+ {
+ free( psz_key );
+ psz_key = strdup( psz_value );
+ }
+ /* call the simple handler */
+ else if( p_handler->pf_handler.smpl )
+ {
+ p_handler->pf_handler.smpl( p_track, psz_key, psz_value );
+ }
+ FREE_ATT();
+ p_handler = NULL;
+ break;
}
- FREE_NAME();
}
- msg_Err( p_demux, "unexpected end of xml data" );
- FREE_ATT_KEY();
- return VLC_FALSE;
+ msg_Err( p_demux, "unexpected end of XML data" );
+
+end:
+ free( psz_value );
+ free( psz_key );
+ return b_ret;
}
-static vlc_bool_t parse_plist_dict COMPLEX_INTERFACE
+static bool parse_plist_dict( demux_t *p_demux, input_item_node_t *p_input_node,
+ track_elem_t *p_track, xml_reader_t *p_xml_reader,
+ const char *psz_element,
+ xml_elem_hnd_t *p_handlers )
{
+ VLC_UNUSED(p_track); VLC_UNUSED(psz_element); VLC_UNUSED(p_handlers);
xml_elem_hnd_t pl_elements[] =
{ {"dict", COMPLEX_CONTENT, {.cmplx = parse_tracks_dict} },
{"array", SIMPLE_CONTENT, {NULL} },
{NULL, UNKNOWN_CONTENT, {NULL} }
};
- return parse_dict( p_demux, p_playlist, p_input_item, NULL, p_xml_reader,
+ return parse_dict( p_demux, p_input_node, NULL, p_xml_reader,
"dict", pl_elements );
}
-static vlc_bool_t parse_tracks_dict COMPLEX_INTERFACE
+static bool parse_tracks_dict( demux_t *p_demux, input_item_node_t *p_input_node,
+ track_elem_t *p_track, xml_reader_t *p_xml_reader,
+ const char *psz_element,
+ xml_elem_hnd_t *p_handlers )
{
+ VLC_UNUSED(p_track); VLC_UNUSED(psz_element); VLC_UNUSED(p_handlers);
xml_elem_hnd_t tracks_elements[] =
{ {"dict", COMPLEX_CONTENT, {.cmplx = parse_track_dict} },
{"key", SIMPLE_CONTENT, {NULL} },
{NULL, UNKNOWN_CONTENT, {NULL} }
};
- parse_dict( p_demux, p_playlist, p_input_item, NULL, p_xml_reader,
+ parse_dict( p_demux, p_input_node, NULL, p_xml_reader,
"dict", tracks_elements );
msg_Info( p_demux, "added %i tracks successfully",
p_demux->p_sys->i_ntracks );
- return VLC_TRUE;
+ return true;
}
-static vlc_bool_t parse_track_dict COMPLEX_INTERFACE
+static bool parse_track_dict( demux_t *p_demux, input_item_node_t *p_input_node,
+ track_elem_t *p_track, xml_reader_t *p_xml_reader,
+ const char *psz_element,
+ xml_elem_hnd_t *p_handlers )
{
+ VLC_UNUSED(psz_element); VLC_UNUSED(p_handlers);
input_item_t *p_new_input = NULL;
- int i_ret = -1;
- char *psz_uri = NULL;
+ int i_ret;
p_track = new_track();
xml_elem_hnd_t track_elements[] =
{NULL, UNKNOWN_CONTENT, {NULL} }
};
- i_ret = parse_dict( p_demux, p_playlist, p_input_item, p_track,
+ i_ret = parse_dict( p_demux, p_input_node, p_track,
p_xml_reader, "dict", track_elements );
msg_Dbg( p_demux, "name: %s, artist: %s, album: %s, genre: %s, trackNum: %s, location: %s",
{
msg_Err( p_demux, "Track needs Location" );
free_track( p_track );
- return VLC_FALSE;
+ return false;
}
- psz_uri = decode_URI_duplicate( p_track->location );
+ msg_Info( p_demux, "Adding '%s'", p_track->location );
+ p_new_input = input_item_New( p_track->location, NULL );
+ input_item_node_AppendItem( p_input_node, p_new_input );
- if( psz_uri )
- {
- if( strlen( psz_uri ) > 17 &&
- !strncmp( psz_uri, "file://localhost/", 17 ) )
- {
- /* remove 'localhost/' */
- strcpy( psz_uri + 7, psz_uri + 17 );
- msg_Info( p_demux, "Adding '%s'", psz_uri );
-
- p_new_input = input_ItemNewExt( p_playlist, psz_uri,
- NULL, 0, NULL, -1 );
- input_ItemAddSubItem( p_input_item, p_new_input, VLC_FALSE );
-
- /* add meta info */
- add_meta( p_new_input, p_track );
- vlc_gc_decref( p_new_input );
-
- p_demux->p_sys->i_ntracks++;
- }
- else
- {
- msg_Err( p_demux, "Don't know how to handle %s", psz_uri );
- }
- free( psz_uri );
- }
+ /* add meta info */
+ add_meta( p_new_input, p_track );
+ vlc_gc_decref( p_new_input );
+
+ p_demux->p_sys->i_ntracks++;
free_track( p_track );
return i_ret;
static track_elem_t *new_track()
{
- track_elem_t *p_track = NULL;
- p_track = (track_elem_t *)malloc( sizeof( track_elem_t ) );
+ track_elem_t *p_track;
+ p_track = malloc( sizeof( track_elem_t ) );
if( p_track )
{
p_track->name = NULL;
if ( !p_track )
return;
- FREE( p_track->name )
- FREE( p_track->artist )
- FREE( p_track->album )
- FREE( p_track->genre )
- FREE( p_track->trackNum )
- FREE( p_track->location )
+ FREENULL( p_track->name );
+ FREENULL( p_track->artist );
+ FREENULL( p_track->album );
+ FREENULL( p_track->genre );
+ FREENULL( p_track->trackNum );
+ FREENULL( p_track->location );
p_track->duration = 0;
free( p_track );
}
-static vlc_bool_t save_data SIMPLE_INTERFACE
+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 VLC_FALSE;
+ return false;
/* re-convert xml special characters inside psz_value */
resolve_xml_special_chars( psz_value );
long i_num = atol( psz_value );
p_track->duration = (mtime_t) i_num*1000;
}
- return VLC_TRUE;
+#undef SAVE_INFO
+ return true;
}
/**
* \brief handles the supported <track> sub-elements
*/
-static vlc_bool_t add_meta( input_item_t *p_input_item,
- track_elem_t *p_track )
+static bool add_meta( input_item_t *p_input_item, track_elem_t *p_track )
{
/* exit if setting is impossible */
if( !p_input_item || !p_track )
- return VLC_FALSE;
-
-#define SET_INFO( func, prop ) \
- if( p_track->prop ) { func( p_input_item, p_track->prop ); }
-
- SET_INFO( input_item_SetTitle, name )
- SET_INFO( input_item_SetArtist, artist )
- SET_INFO( input_item_SetAlbum, album )
- SET_INFO( input_item_SetGenre, genre )
- SET_INFO( input_item_SetTrackNum, trackNum )
- SET_INFO( input_item_SetDuration, duration )
- return VLC_TRUE;
+ return false;
+
+#define SET_INFO( type, prop ) \
+ if( p_track->prop ) {input_item_Set##type( p_input_item, p_track->prop );}
+ SET_INFO( Title, name )
+ SET_INFO( Artist, artist )
+ SET_INFO( Album, album )
+ SET_INFO( Genre, genre )
+ SET_INFO( TrackNum, trackNum )
+ SET_INFO( Duration, duration )
+#undef SET_INFO
+ return true;
}
/**
* \brief skips complex element content that we can't manage
*/
-static vlc_bool_t skip_element COMPLEX_INTERFACE
+static bool skip_element( demux_t *p_demux, input_item_node_t *p_input_node,
+ track_elem_t *p_track, xml_reader_t *p_xml_reader,
+ const char *psz_element, xml_elem_hnd_t *p_handlers )
{
- char *psz_endname;
-
- while( xml_ReaderRead( p_xml_reader ) == 1 )
- {
- if( xml_ReaderNodeType( p_xml_reader ) == XML_READER_ENDELEM )
- {
- psz_endname = xml_ReaderName( p_xml_reader );
- if( !psz_endname )
- return VLC_FALSE;
- if( !strcmp( psz_element, psz_endname ) )
- {
- free( psz_endname );
- return VLC_TRUE;
- }
- else
- free( psz_endname );
- }
- }
- return VLC_FALSE;
+ VLC_UNUSED(p_demux); VLC_UNUSED(p_input_node);
+ VLC_UNUSED(p_track); VLC_UNUSED(p_handlers);
+ const char *node;
+ int type;
+
+ while( (type = xml_ReaderNextNode( p_xml_reader, &node )) > 0 )
+ if( type == XML_READER_ENDELEM && !strcmp( psz_element, node ) )
+ return true;
+ return false;
}