windows-nt/Source/XPSP1/NT/enduser/speech/lib/perl/win32/sound.pm
2020-09-26 16:20:57 +08:00

76 lines
1.9 KiB
Perl

package Win32::Sound;
#######################################################################
#
# Win32::Sound - Perl Module for Windows Sound Interaction
# ^^^^^^^^^^^^^^^^
# Version: 0.03 (08 Apr 1997)
#
#######################################################################
require Exporter; # to export the constants to the main:: space
require DynaLoader; # to dynuhlode the module.
@ISA= qw( Exporter DynaLoader );
@EXPORT = qw(
SND_ASYNC
SND_NODEFAULT
SND_LOOP
SND_NOSTOP
);
#######################################################################
# This AUTOLOAD is used to 'autoload' constants from the constant()
# XS function. If a constant is not found then control is passed
# to the AUTOLOAD in AutoLoader.
#
sub AUTOLOAD {
my($constname);
($constname = $AUTOLOAD) =~ s/.*:://;
#reset $! to zero to reset any current errors.
$!=0;
my $val = constant($constname, @_ ? $_[0] : 0);
if ($! != 0) {
# [dada] This results in an ugly Autoloader error
#if ($! =~ /Invalid/) {
# $AutoLoader::AUTOLOAD = $AUTOLOAD;
# goto &AutoLoader::AUTOLOAD;
#} else {
# [dada] ... I prefer this one :)
($pack, $file, $line) = caller;
undef $pack; # [dada] and get rid of "used only once" warning...
die "Win32::Sound::$constname is not defined, used at $file line $line.";
#}
}
eval "sub $AUTOLOAD { $val }";
goto &$AUTOLOAD;
}
#######################################################################
# STATIC OBJECT PROPERTIES
#
$VERSION="0.03";
undef unless $VERSION; # [dada] to avoid "possible typo" warning
#######################################################################
# dynamically load in the Sound.pll module.
#
bootstrap Win32::Sound;
# Preloaded methods go here.
#Currently Autoloading is not implemented in Perl for win32
# Autoload methods go after __END__, and are processed by the autosplit program.
1;
__END__