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###################################################
# parser generator for IDL structures
# Copyright tpot@samba.org 2001
# Copyright tridge@samba.org 2000
# released under the GNU GPL
package IdlEParser;
use strict;
use dump;
use Data::Dumper;
sub ParamSimpleNdrType($)
{
my($p) = shift;
my($res);
$res .= "\toffset = dissect_ndr_$p->{TYPE}(tvb, offset, pinfo, tree, drep, hf_$p->{NAME}, NULL);\n";
return $res;
}
sub ParamPolicyHandle($)
{
my($p) = shift;
my($res);
$res .= "\toffset = dissect_nt_policy_handle(tvb, offset, pinfo, tree, drep, hf_policy_hnd, NULL, NULL, FALSE, FALSE);\n";
return $res;
}
my %param_handlers = (
'uint16' => \&ParamSimpleNdrType,
'uint32' => \&ParamSimpleNdrType,
'policy_handle' => \&ParamPolicyHandle,
);
#####################################################################
# parse a function
sub ParseParameter($)
{
my($p) = shift;
my($res);
if (defined($param_handlers{$p->{TYPE}})) {
$res .= &{$param_handlers{$p->{TYPE}}}($p);
return $res;
}
$res .= "\t/* Unhandled IDL type '$p->{TYPE}' in $p->{PARENT}->{NAME} */\n";
return $res;
# exit(1);
}
#####################################################################
# parse a function
sub ParseFunction($)
{
my($f) = shift;
my($res);
$res .= "/*\n\n";
$res .= IdlDump::DumpFunction($f);
$res .= "*/\n\n";
# Request function
$res .= "static int\n";
$res .= "$f->{NAME}_rqst(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, guint8 *drep)\n";
$res .= "{\n";
my($d);
foreach $d (@{$f->{DATA}}) {
$res .= ParseParameter($d), if defined($d->{PROPERTIES}{in});
}
$res .= "\treturn offset;\n";
$res .= "}\n\n";
# Response function
$res .= "static int\n";
$res .= "$f->{NAME}_resp(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, guint8 *drep)\n";
$res .= "{\n";
foreach $d (@{$f->{DATA}}) {
$res .= ParseParameter($d), if defined($d->{PROPERTIES}{out});
}
$res .= "\treturn offset;\n";
$res .= "}\n\n";
return $res;
}
#####################################################################
# parse the interface definitions
sub ParseInterface($)
{
my($interface) = shift;
my($data) = $interface->{DATA};
my($res) = "";
foreach my $d (@{$data}) {
$res .= ParseFunction($d), if $d->{TYPE} eq "FUNCTION";
}
return $res;
}
#####################################################################
# parse a parsed IDL structure back into an IDL file
sub Parse($)
{
my($idl) = shift;
my($res);
$res = "/* parser auto-generated by pidl */\n\n";
foreach my $d (@{$idl}) {
$res .= ParseInterface($d), if $d->{TYPE} eq "INTERFACE";
}
return $res;
}
1;
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