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|
###################################################
# Samba3 NDR header generator for IDL structures
# Copyright jelmer@samba.org 2005
# released under the GNU GPL
package Parse::Pidl::Samba3::Header;
use strict;
use Parse::Pidl::Typelist qw(hasType getType);
use Parse::Pidl::Util qw(has_property ParseExpr);
use Parse::Pidl::NDR qw(GetPrevLevel GetNextLevel ContainsDeferred);
use Parse::Pidl::Samba3::Types qw(DeclShort);
use vars qw($VERSION);
$VERSION = '0.01';
my $res = "";
sub pidl($) { my $x = shift; $res .= "$x\n"; }
sub fatal($$) { my ($e,$s) = @_; die("$e->{FILE}:$e->{LINE}: $s\n"); }
sub warning($$) { my ($e,$s) = @_; warn("$e->{FILE}:$e->{LINE}: $s\n"); }
sub ParseElement($)
{
my $e = shift;
foreach my $l (@{$e->{LEVELS}}) {
if ($l->{TYPE} eq "POINTER") {
return if ($l->{POINTER_TYPE} eq "ref" and $l->{LEVEL} eq "top");
pidl "\tuint32 ptr_$e->{NAME};";
} elsif ($l->{TYPE} eq "SWITCH") {
pidl "\tuint32 level_$e->{NAME};";
} elsif ($l->{TYPE} eq "DATA") {
pidl "\t" . DeclShort($e) . ";";
}
}
}
sub CreateStruct($$$$)
{
my ($if,$fn,$n,$t) = @_;
pidl "typedef struct $n {";
ParseElement($_) foreach (@$t);
if (not @$t) {
# Some compilers don't like empty structs
pidl "\tuint32 dummy;";
}
pidl "} " . uc($n) . ";";
pidl "";
}
sub ParseFunction($$)
{
my ($if,$fn) = @_;
my @in = ();
my @out = ();
foreach (@{$fn->{ELEMENTS}}) {
push (@in, $_) if (grep(/in/, @{$_->{DIRECTION}}));
push (@out, $_) if (grep(/out/, @{$_->{DIRECTION}}));
}
if (defined($fn->{RETURN_TYPE})) {
push (@out, {
NAME => "status",
TYPE => $fn->{RETURN_TYPE},
LEVELS => [
{
TYPE => "DATA",
DATA_TYPE => $fn->{RETURN_TYPE}
}
]
} );
}
# define Q + R structures for functions
CreateStruct($if, $fn, "$if->{NAME}_q_$fn->{NAME}", \@in);
CreateStruct($if, $fn, "$if->{NAME}_r_$fn->{NAME}", \@out);
}
sub ParseStruct($$$)
{
my ($if,$s,$n) = @_;
CreateStruct($if, $s, "$if->{NAME}_$n", $s->{ELEMENTS});
}
sub ParseUnion($$$)
{
my ($if,$u,$n) = @_;
pidl "typedef union $if->{NAME}_$n {";
#FIXME: What about elements that require more then one variable?
ParseElement($_) foreach (@{$u->{ELEMENTS}});
pidl "} ".uc($if->{NAME}."_".$n) .";";
pidl "";
}
sub ParseEnum($$$)
{
my ($if,$s,$n) = @_;
pidl "typedef enum {";
pidl "$_," foreach (@{$s->{ELEMENTS}});
pidl "} $n;";
}
sub ParseBitmap($$$)
{
my ($if,$s,$n) = @_;
pidl "#define $_" foreach (@{$s->{ELEMENTS}});
}
sub ParseInterface($)
{
my $if = shift;
my $def = "_RPC_" . uc($if->{NAME}) . "_H";
pidl "";
pidl "\#ifndef $def";
pidl "\#define $def";
pidl "";
foreach (@{$if->{FUNCTIONS}}) {
pidl "\#define " . uc($_->{NAME}) . " $_->{OPNUM}" ;
}
pidl "";
foreach (@{$if->{TYPEDEFS}}) {
ParseStruct($if, $_->{DATA}, $_->{NAME}) if ($_->{DATA}->{TYPE} eq "STRUCT");
ParseEnum($if, $_->{DATA}, $_->{NAME}) if ($_->{DATA}->{TYPE} eq "ENUM");
ParseBitmap($if, $_->{DATA}, $_->{NAME}) if ($_->{DATA}->{TYPE} eq "BITMAP");
ParseUnion($if, $_->{DATA}, $_->{NAME}) if ($_->{DATA}->{TYPE} eq "UNION");
}
ParseFunction($if, $_) foreach (@{$if->{FUNCTIONS}});
foreach (@{$if->{CONSTS}}) {
pidl "$_->{NAME} ($_->{VALUE})";
}
pidl "\#endif /* $def */";
}
sub Parse($$)
{
my($ndr,$filename) = @_;
$res = "";
pidl "/*";
pidl " * Unix SMB/CIFS implementation.";
pidl " * header auto-generated by pidl. DO NOT MODIFY!";
pidl " */";
pidl "";
# Loop over interfaces
foreach (@{$ndr}) {
ParseInterface($_) if ($_->{TYPE} eq "INTERFACE");
}
return $res;
}
1;
|
