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|
###################################################
# Samba3 common helper functions
# Copyright jelmer@samba.org 2005
# released under the GNU GPL
package Parse::Pidl::Samba3::Types;
require Exporter;
@ISA = qw(Exporter);
@EXPORT_OK = qw(DeclShort DeclLong InitType DissectType AddType);
use strict;
use Parse::Pidl::Util qw(has_property ParseExpr);
use Parse::Pidl::NDR qw(GetPrevLevel GetNextLevel ContainsDeferred);
use vars qw($VERSION);
$VERSION = '0.01';
sub init_scalar($$$$)
{
my ($e,$l,$n,$v) = @_;
return "$n = $v;";
}
sub dissect_scalar($$$)
{
my ($e,$l,$n) = @_;
my $t = lc($e->{TYPE});
return "prs_$t(\"$e->{NAME}\", ps, depth, &$n)";
}
sub decl_string($)
{
my $e = shift;
return "UNISTR2";
}
sub init_string($$$$)
{
my ($e,$l,$n,$v) = @_;
return "init_unistr2(&$n, $v, UNI_FLAGS_NONE);";
}
sub dissect_string($$$)
{
my ($e,$l,$n) = @_;
return "FIXME";
}
my $known_types = {
uint8 => {
DECL => "uint8",
INIT => \&init_scalar,
DISSECT => \&dissect_scalar,
},
uint16 => {
DECL => "uint16",
INIT => \&init_scalar,
DISSECT => \&dissect_scalar,
},
uint32 => {
DECL => "uint32",
INIT => \&init_scalar,
DISSECT => \&dissect_scalar,
},
string => {
DECL => \&decl_string,
INIT => \&init_string,
DISSECT => \&dissect_string,
},
NTSTATUS => {
DECL => "NTSTATUS",
INIT => \&init_scalar,
DISSECT => \&dissect_scalar,
},
WERROR => {
DECL => "WERROR",
INIT => \&init_scalar,
DISSECT => \&dissect_scalar,
},
};
sub AddType($$)
{
my ($t,$d) = @_;
warn("Reregistering type $t") if (defined($known_types->{$t}));
$known_types->{$t} = $d;
}
sub GetType($)
{
my $e = shift;
my $t = $known_types->{$e->{TYPE}};
return undef if not $t;
# DECL can be a function
if (ref($t->{DECL}) eq "CODE") {
return $t->{DECL}->($e);
} else {
return $t->{DECL};
}
}
# Return type without special stuff, as used in
# struct declarations
sub DeclShort($)
{
my $e = shift;
my $t = GetType($e);
return undef if not $t;
return "$t $e->{NAME}";
}
sub DeclLong($)
{
my $e = shift;
my $t = GetType($e);
return undef if not $t;
return "$t $e->{NAME}";
}
sub InitType($$$$)
{
my ($e, $l, $varname, $value) = @_;
my $t = $known_types->{$l->{DATA_TYPE}};
return undef if not $t;
# INIT can be a function
if (ref($t->{INIT}) eq "CODE") {
return $t->{INIT}->($e, $l, $varname, $value);
} else {
return $t->{INIT};
}
}
sub DissectType($$$)
{
my ($e, $l, $varname) = @_;
my $t = $known_types->{$l->{DATA_TYPE}};
return undef if not $t;
# DISSECT can be a function
if (ref($t->{DISSECT}) eq "CODE") {
return $t->{DISSECT}->($e, $l, $varname);
} else {
return $t->{DISSECT};
}
}
1;
|
