windows-nt/Source/XPSP1/NT/enduser/speech/lib/perl/win32/registry.pm

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2020-09-26 03:20:57 -05:00
package Win32::Registry;
#######################################################################
#Perl Module for Registry Extensions
# This module creates an object oriented interface to the Win32
# Registry.
#
# NOTE: This package exports the following "key" objects to
# the main:: name space.
#
# $main::HKEY_CLASSES_ROOT
# $main::HKEY_CURRENT_USER
# $main::HKEY_LOCAL_MACHINE
# $main::HKEY_USERS
# $main::HKEY_PERFORMANCE_DATA
# $main::HKEY_CURRENT_CONFIG
# $main::HKEY_DYN_DATA
#
#######################################################################
require Exporter;
require DynaLoader;
use Win32::WinError;
$VERSION = '0.06';
@ISA= qw( Exporter DynaLoader );
@EXPORT = qw(
HKEY_CLASSES_ROOT
HKEY_CURRENT_USER
HKEY_LOCAL_MACHINE
HKEY_PERFORMANCE_DATA
HKEY_CURRENT_CONFIG
HKEY_DYN_DATA
HKEY_USERS
KEY_ALL_ACCESS
KEY_CREATE_LINK
KEY_CREATE_SUB_KEY
KEY_ENUMERATE_SUB_KEYS
KEY_EXECUTE
KEY_NOTIFY
KEY_QUERY_VALUE
KEY_READ
KEY_SET_VALUE
KEY_WRITE
REG_BINARY
REG_CREATED_NEW_KEY
REG_DWORD
REG_DWORD_BIG_ENDIAN
REG_DWORD_LITTLE_ENDIAN
REG_EXPAND_SZ
REG_FULL_RESOURCE_DESCRIPTOR
REG_LEGAL_CHANGE_FILTER
REG_LEGAL_OPTION
REG_LINK
REG_MULTI_SZ
REG_NONE
REG_NOTIFY_CHANGE_ATTRIBUTES
REG_NOTIFY_CHANGE_LAST_SET
REG_NOTIFY_CHANGE_NAME
REG_NOTIFY_CHANGE_SECURITY
REG_OPENED_EXISTING_KEY
REG_OPTION_BACKUP_RESTORE
REG_OPTION_CREATE_LINK
REG_OPTION_NON_VOLATILE
REG_OPTION_RESERVED
REG_OPTION_VOLATILE
REG_REFRESH_HIVE
REG_RESOURCE_LIST
REG_RESOURCE_REQUIREMENTS_LIST
REG_SZ
REG_WHOLE_HIVE_VOLATILE
);
@EXPORT_OK = qw(
RegCloseKey
RegConnectRegistry
RegCreateKey
RegCreateKeyEx
RegDeleteKey
RegDeleteValue
RegEnumKey
RegEnumValue
RegFlushKey
RegGetKeySecurity
RegLoadKey
RegNotifyChangeKeyValue
RegOpenKey
RegOpenKeyEx
RegQueryInfoKey
RegQueryValue
RegQueryValueEx
RegReplaceKey
RegRestoreKey
RegSaveKey
RegSetKeySecurity
RegSetValue
RegSetValueEx
RegUnLoadKey
);
$EXPORT_TAGS{ALL}= \@EXPORT_OK;
bootstrap Win32::Registry;
sub import
{
my( $pkg )= shift;
if ( $_[0] && "Win32" eq $_[0] ) {
Exporter::export( $pkg, "Win32", @EXPORT_OK );
shift;
}
Win32::Registry->export_to_level( 1+$Exporter::ExportLevel, $pkg, @_ );
}
#######################################################################
# This AUTOLOAD is used to 'autoload' constants from the constant()
# XS function. If a constant is not found then control is passed
# to the AUTOLOAD in AutoLoader.
sub AUTOLOAD {
my($constname);
($constname = $AUTOLOAD) =~ s/.*:://;
#reset $! to zero to reset any current errors.
$!=0;
my $val = constant($constname, @_ ? $_[0] : 0);
if ($! != 0) {
if ($! =~ /Invalid/) {
$AutoLoader::AUTOLOAD = $AUTOLOAD;
goto &AutoLoader::AUTOLOAD;
}
else {
($pack,$file,$line) = caller;
die "Your vendor has not defined Win32::Registry macro $constname, used at $file line $line.";
}
}
eval "sub $AUTOLOAD { $val }";
goto &$AUTOLOAD;
}
#######################################################################
# _new is a private constructor, not intended for public use.
#
sub _new
{
my $self;
if ($_[0]) {
$self->{'handle'} = $_[0];
bless $self;
}
$self;
}
#define the basic registry objects to be exported.
#these had to be hardwired unfortunately.
# XXX Yuck!
$main::HKEY_CLASSES_ROOT = _new(&HKEY_CLASSES_ROOT);
$main::HKEY_CURRENT_USER = _new(&HKEY_CURRENT_USER);
$main::HKEY_LOCAL_MACHINE = _new(&HKEY_LOCAL_MACHINE);
$main::HKEY_USERS = _new(&HKEY_USERS);
$main::HKEY_PERFORMANCE_DATA = _new(&HKEY_PERFORMANCE_DATA);
$main::HKEY_CURRENT_CONFIG = _new(&HKEY_CURRENT_CONFIG);
$main::HKEY_DYN_DATA = _new(&HKEY_DYN_DATA);
#######################################################################
#Open
# creates a new Registry object from an existing one.
# usage: $RegObj->Open( "SubKey",$SubKeyObj );
# $SubKeyObj->Open( "SubberKey", *SubberKeyObj );
sub Open
{
my $self = shift;
die 'usage: Open( $SubKey, $ObjRef )' if @_ != 2;
my ($subkey) = @_;
my ($result,$subhandle);
$result = RegOpenKey($self->{'handle'},$subkey,$subhandle);
$_[1] = _new( $subhandle );
return 0 unless $_[1];
$! = Win32::GetLastError() unless $result;
return $result;
}
#######################################################################
#Close
# close an open registry key.
#
sub Close
{
my $self = shift;
die "usage: Close()" if @_ != 0;
my $result = RegCloseKey($self->{'handle'});
$! = Win32::GetLastError() unless $result;
return $result;
}
#######################################################################
#Connect
# connects to a remote Registry object, returning it in $ObjRef.
# returns false if it fails.
# usage: $RegObj->Connect( $NodeName, $ObjRef );
sub Connect
{
my $self = shift;
die 'usage: Connect( $NodeName, $ObjRef )' if @_ != 2;
my ($node) = @_;
my ($result,$subhandle);
$result = RegConnectRegistry ($node, $self->{'handle'}, $subhandle);
$_[1] = _new( $subhandle );
return 0 unless $_[1];
$! = Win32::GetLastError() unless $result;
return $result;
}
#######################################################################
#Create
# open a subkey. If it doesn't exist, create it.
#
sub Create
{
my $self = shift;
die 'usage: Create( $SubKey,$ScalarRef )' if @_ != 2;
my ($subkey) = @_;
my ($result,$subhandle);
$result = RegCreateKey($self->{'handle'},$subkey,$subhandle);
$_[1] = _new ( $subhandle );
return 0 unless $_[1];
$! = Win32::GetLastError() unless $result;
return $result;
}
#######################################################################
#SetValue
# SetValue sets a value in the current key.
#
sub SetValue
{
my $self = shift;
die 'usage: SetValue($SubKey,$Type,$value )' if @_ != 3;
my $result = RegSetValue( $self->{'handle'}, @_);
$! = Win32::GetLastError() unless $result;
return $result;
}
sub SetValueEx
{
my $self = shift;
die 'usage: SetValueEx( $SubKey,$Reserved,$type,$value )' if @_ != 4;
my $result = RegSetValueEx( $self->{'handle'}, @_);
$! = Win32::GetLastError() unless $result;
return $result;
}
#######################################################################
#QueryValue and QueryKey
# QueryValue gets information on a value in the current key.
# QueryKey " " " " key " " "
sub QueryValue
{
my $self = shift;
die 'usage: QueryValue( $SubKey,$valueref )' if @_ != 2;
my $result = RegQueryValue( $self->{'handle'}, @_);
$! = Win32::GetLastError() unless $result;
return $result;
}
sub QueryKey
{
my $garbage;
my $self = shift;
die 'usage: QueryKey( $classref, $numberofSubkeys, $numberofVals )'
if @_ != 3;
my $result = RegQueryInfoKey($self->{'handle'}, $_[0],
$garbage, $garbage, $_[1],
$garbage, $garbage, $_[2],
$garbage, $garbage, $garbage, $garbage);
$! = Win32::GetLastError() unless $result;
return $result;
}
#######################################################################
#QueryValueEx
# QueryValueEx gets information on a value in the current key.
sub QueryValueEx
{
my $self = shift;
die 'usage: QueryValueEx( $SubKey,$type,$valueref )' if @_ != 3;
my $result = RegQueryValueEx( $self->{'handle'}, $_[0], NULL, $_[1], $_[2] );
$! = Win32::GetLastError() unless $result;
return $result;
}
#######################################################################
#GetKeys
#Note: the list object must be passed by reference:
# $myobj->GetKeys( \@mylist )
sub GetKeys
{
my $self = shift;
die 'usage: GetKeys( $arrayref )' if @_ != 1 or ref($_[0]) ne 'ARRAY';
my ($result, $i, $keyname);
$keyname = "DummyVal";
$i = 0;
$result = 1;
while ( $result ) {
$result = RegEnumKey( $self->{'handle'},$i++, $keyname );
if ($result) {
push( @{$_[0]}, $keyname );
}
}
return(1);
}
#######################################################################
#GetValues
# GetValues creates a hash containing 'name'=> ( name,type,data )
# for each value in the current key.
sub GetValues
{
my $self = shift;
die 'usage: GetValues( $hashref )' if @_ != 1;
my ($result,$name,$type,$data,$i);
$name = "DummyVal";
$i = 0;
while ( $result=RegEnumValue( $self->{'handle'},
$i++,
$name,
NULL,
$type,
$data ))
{
$_[0]->{$name} = [ $name, $type, $data ];
}
return(1);
}
#######################################################################
#DeleteKey
# delete a key from the registry.
# eg: $CLASSES_ROOT->DeleteKey( "KeyNameToDelete");
#
sub DeleteKey
{
my $self = shift;
die 'usage: DeleteKey( $SubKey )' if @_ != 1;
my $result = RegDeleteKey($self->{'handle'}, @_);
$! = Win32::GetLastError() unless $result;
return $result;
}
#######################################################################
#DeleteValue
# delete a value from the current key in the registry
# $CLASSES_ROOT->DeleteValue( "\000" );
sub DeleteValue
{
my $self = shift;
die 'usage: DeleteValue( $SubKey )' if @_ != 1;
my $result = RegDeleteValue($self->{'handle'}, @_);
$! = Win32::GetLastError() unless $result;
return $result;
}
#######################################################################
#save
#saves the current hive to a file.
#
sub Save
{
my $self = shift;
die 'usage: Save( $FileName )' if @_ != 1;
my $result = RegSaveKey($self->{'handle'}, @_);
$! = Win32::GetLastError() unless $result;
return $result;
}
#######################################################################
#Load
#loads a saved key from a file.
sub Load
{
my $self = shift;
die 'usage: Load( $SubKey,$FileName )' if @_ != 2;
my $result = RegLoadKey($self->{'handle'}, @_);
$! = Win32::GetLastError() unless $result;
return $result;
}
#######################################################################
#UnLoad
#unloads a registry hive
sub UnLoad
{
my $self = shift;
die 'usage: UnLoad( $SubKey )' if @_ != 1;
my $result = RegUnLoadKey($self->{'handle'}, @_);
$! = Win32::GetLastError() unless $result;
return $result;
}
#######################################################################
1;
__END__