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###################################################
# Python function wrapper generator
# Copyright jelmer@samba.org 2007
# released under the GNU GPL
package Parse::Pidl::Samba4::Python;
use Exporter;
@ISA = qw(Exporter);
use strict;
use Parse::Pidl::Typelist;
use Parse::Pidl::Util qw(has_property ParseExpr);
use vars qw($VERSION);
$VERSION = '0.01';
sub new($) {
my ($class) = @_;
my $self = { res => "", res_hdr => "", tabs => "", constants => {}};
bless($self, $class);
}
sub pidl_hdr ($$)
{
my $self = shift;
$self->{res_hdr} .= shift;
}
sub pidl($$)
{
my ($self, $d) = @_;
if ($d) {
$self->{res} .= $self->{tabs};
$self->{res} .= $d;
}
$self->{res} .= "\n";
}
sub indent($)
{
my ($self) = @_;
$self->{tabs} .= "\t";
}
sub deindent($)
{
my ($self) = @_;
$self->{tabs} = substr($self->{tabs}, 0, -1);
}
sub Import
{
my $self = shift;
my @imports = @_;
foreach (@imports) {
s/\.idl\"$//;
s/^\"//;
$self->pidl_hdr("#include \"librpc/gen_ndr/py_$_\.h\"\n");
}
}
sub Const($$)
{
my ($self, $const) = @_;
$self->{constants}->{$const->{NAME}} = [$const->{DATA}->{TYPE}, $const->{VALUE}];
}
sub Interface($$)
{
my($self,$interface) = @_;
$self->pidl_hdr("#ifndef _HEADER_PYTHON_$interface->{NAME}\n");
$self->pidl_hdr("#define _HEADER_PYTHON_$interface->{NAME}\n\n");
$self->pidl_hdr("\n");
$self->Const($_) foreach (@{$interface->{CONSTS}});
$self->pidl_hdr("\n");
$self->pidl_hdr("#endif /* _HEADER_NDR_$interface->{NAME} */\n");
}
sub Parse($$$$)
{
my($self,$basename,$ndr,$hdr) = @_;
my $py_hdr = $hdr;
$py_hdr =~ s/ndr_([^\/]+)$/py_$1/g;
$self->pidl_hdr("/* header auto-generated by pidl */\n\n");
$self->pidl("
/* Python wrapper functions auto-generated by pidl */
#include \"includes.h\"
#include <Python.h>
#include \"$hdr\"
#include \"$py_hdr\"
");
foreach my $x (@$ndr) {
($x->{TYPE} eq "INTERFACE") && $self->Interface($x);
($x->{TYPE} eq "IMPORT") && $self->Import(@{$x->{PATHS}});
}
$self->pidl("static PyMethodDef $basename\_methods[] = {");
$self->indent;
$self->pidl("{ NULL, NULL, 0, NULL }");
$self->deindent;
$self->pidl("};");
$self->pidl("");
$self->pidl("void init$basename(void)");
$self->pidl("{");
$self->indent;
$self->pidl("PyObject *m, *d;");
$self->pidl("m = Py_InitModule((char *)\"$basename\", $basename\_methods);");
$self->pidl("d = PyModule_GetDict(m);");
foreach (keys %{$self->{constants}}) {
# FIXME: Handle non-string constants
$self->pidl("PyDict_SetItemString(d, \"$_\", PyString_FromString(" . $self->{constants}->{$_}->[1] . "));");
}
$self->deindent;
$self->pidl("}");
return ($self->{res_hdr}, $self->{res});
}
1;
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