/**
Find at most one file relative to the XDG data directories.
*/
static char *get_filename( char *f )
{
array_list_t list;
char *first = NULL;
al_init( &list );
append_filenames( &list, f, 0 );
first = al_pop( &list );
al_destroy( &list );
return first;
}
/**
Find at most one file relative to the XDG data directories; returns the empty string on failure
*/
static std::string get_filename( char *f )
{
string_list_t list;
append_filenames( list, f, 0 );
if (list.empty()) {
return "";
} else {
return list.back();
}
}
/**
Get default action for a specified mimetype.
*/
static char *get_action( const char *mimetype )
{
char *res=0;
int i;
char *launcher;
char *end;
array_list_t mime_filenames;
char *launcher_str = NULL;
char *launcher_filename, *launcher_command_str, *launcher_command;
char *launcher_full;
al_init( &mime_filenames );
if( !append_filenames( &mime_filenames, DESKTOP_DEFAULT, 1 ) )
{
al_destroy( &mime_filenames );
return 0;
}
for ( i = 0; i < al_get_count( &mime_filenames ); i++ )
{
launcher_str = search_ini( al_get( &mime_filenames, i ), mimetype );
if ( launcher_str )
break;
}
al_foreach( &mime_filenames, free );
al_destroy( &mime_filenames );
if( !launcher_str )
{
/*
This type does not have a launcher. Try the supertype!
*/
// fprintf( stderr, "mimedb: %s does not have launcher, try supertype\n", mimetype );
const char ** parents = xdg_mime_get_mime_parents(mimetype);
const char **p;
if( parents )
{
for( p=parents; *p; p++ )
{
char *a = get_action(*p);
if( a != 0 )
return a;
}
}
/*
Just in case subclassing doesn't work, (It doesn't on Fedora
Core 3) we also test some common subclassings.
*/
if( strncmp( mimetype, "text/plain", 10) != 0 && strncmp( mimetype, "text/", 5 ) == 0 )
return get_action( "text/plain" );
return 0;
}
// fprintf( stderr, "WOOT %s\n", launcher_str );
launcher = strchr( launcher_str, '=' );
if( !launcher )
{
fprintf( stderr, _("%s: Could not parse launcher string '%s'\n"), MIMEDB, launcher_str );
error=1;
return 0;
}
/* Skip the = */
launcher++;
/* Only use first launcher */
end = strchr( launcher, ';' );
if( end )
*end = '\0';
launcher_full = my_malloc( strlen( launcher) + strlen( APPLICATIONS_DIR)+1 );
if( !launcher_full )
{
free( launcher_str );
return 0;
}
strcpy( launcher_full, APPLICATIONS_DIR );
strcat( launcher_full, launcher );
free( launcher_str );
launcher_filename = get_filename( launcher_full );
free( launcher_full );
launcher_command_str = search_ini( launcher_filename, "Exec" );
if( !launcher_command_str )
{
fprintf( stderr,
_( "%s: Default launcher '%s' does not specify how to start\n"), MIMEDB,
launcher_filename );
free( launcher_filename );
return 0;
}
free( launcher_filename );
launcher_command = strchr( launcher_command_str, '=' );
launcher_command++;
res = my_strdup( launcher_command );
free( launcher_command_str );
return res;
}
/**
Get default action for a specified mimetype.
*/
static char *get_action( const char *mimetype )
{
char *res=0;
const char *launcher, *end;
string_list_t mime_filenames;
const char *launcher_str = NULL;
const char *launcher_command_str, *launcher_command;
char *launcher_full;
if( !append_filenames( mime_filenames, DESKTOP_DEFAULT, 1 ) )
{
return 0;
}
for ( size_t i = 0; i < mime_filenames.size(); i++ )
{
launcher_str = search_ini( mime_filenames.at(i).c_str(), mimetype );
if ( launcher_str )
break;
}
if( !launcher_str )
{
/*
This type does not have a launcher. Try the supertype!
*/
// fprintf( stderr, "mimedb: %s does not have launcher, try supertype\n", mimetype );
const char ** parents = xdg_mime_get_mime_parents(mimetype);
const char **p;
if( parents )
{
for( p=parents; *p; p++ )
{
char *a = get_action(*p);
if( a != 0 )
return a;
}
}
/*
Just in case subclassing doesn't work, (It doesn't on Fedora
Core 3) we also test some common subclassings.
*/
if( strncmp( mimetype, "text/plain", 10) != 0 && strncmp( mimetype, "text/", 5 ) == 0 )
return get_action( "text/plain" );
return 0;
}
// fprintf( stderr, "WOOT %s\n", launcher_str );
launcher = const_cast<char*>(strchr( launcher_str, '=' ));
if( !launcher )
{
fprintf( stderr, _("%s: Could not parse launcher string '%s'\n"), MIMEDB, launcher_str );
error=1;
return 0;
}
/* Skip the = */
launcher++;
/* Make one we can change */
std::string mut_launcher = launcher;
/* Only use first launcher */
end = strchr( launcher, ';' );
if( end )
mut_launcher.resize(end - launcher);
launcher_full = (char *)my_malloc( mut_launcher.size() + strlen( APPLICATIONS_DIR)+1 );
if( !launcher_full )
{
free( (void *)launcher_str );
return 0;
}
strcpy( launcher_full, APPLICATIONS_DIR );
strcat( launcher_full, mut_launcher.c_str() );
free( (void *)launcher_str );
std::string launcher_filename = get_filename( launcher_full );
free( launcher_full );
launcher_command_str = search_ini( launcher_filename.c_str(), "Exec" );
if( !launcher_command_str )
{
fprintf( stderr,
_( "%s: Default launcher '%s' does not specify how to start\n"), MIMEDB,
launcher_filename.c_str() );
return 0;
}
launcher_command = strchr( launcher_command_str, '=' );
launcher_command++;
res = my_strdup( launcher_command );
free( (void *)launcher_command_str );
return res;
}
