1 files changed, 149 insertions, 0 deletions
diff --git a/source4/pidl/Parse/Pidl/Util.pm b/source4/pidl/Parse/Pidl/Util.pm
new file mode 100644
index 0000000000..8854be9d74
--- /dev/null
+++ b/source4/pidl/Parse/Pidl/Util.pm
@@ -0,0 +1,149 @@
+###################################################
+# utility functions to support pidl
+# Copyright tridge@samba.org 2000
+# released under the GNU GPL
+package Parse::Pidl::Util;
+
+require Exporter;
+@ISA = qw(Exporter);
+@EXPORT = qw(has_property property_matches ParseExpr is_constant);
+
+use strict;
+
+#####################################################################
+# flatten an array of arrays into a single array
+sub FlattenArray2($) 
+{ 
+    my $a = shift;
+    my @b;
+    for my $d (@{$a}) {
+	for my $d1 (@{$d}) {
+	    push(@b, $d1);
+	}
+    }
+    return \@b;
+}
+
+#####################################################################
+# flatten an array of arrays into a single array
+sub FlattenArray($) 
+{ 
+    my $a = shift;
+    my @b;
+    for my $d (@{$a}) {
+	for my $d1 (@{$d}) {
+	    push(@b, $d1);
+	}
+    }
+    return \@b;
+}
+
+#####################################################################
+# flatten an array of hashes into a single hash
+sub FlattenHash($) 
+{ 
+    my $a = shift;
+    my %b;
+    for my $d (@{$a}) {
+	for my $k (keys %{$d}) {
+	    $b{$k} = $d->{$k};
+	}
+    }
+    return \%b;
+}
+
+#####################################################################
+# a dumper wrapper to prevent dependence on the Data::Dumper module
+# unless we actually need it
+sub MyDumper($)
+{
+	require Data::Dumper;
+	my $s = shift;
+	return Data::Dumper::Dumper($s);
+}
+
+#####################################################################
+# see if a pidl property list contains a given property
+sub has_property($$)
+{
+	my($e) = shift;
+	my($p) = shift;
+
+	if (!defined $e->{PROPERTIES}) {
+		return undef;
+	}
+
+	return $e->{PROPERTIES}->{$p};
+}
+
+#####################################################################
+# see if a pidl property matches a value
+sub property_matches($$$)
+{
+	my($e) = shift;
+	my($p) = shift;
+	my($v) = shift;
+
+	if (!defined has_property($e, $p)) {
+		return undef;
+	}
+
+	if ($e->{PROPERTIES}->{$p} =~ /$v/) {
+		return 1;
+	}
+
+	return undef;
+}
+
+# return 1 if the string is a C constant
+sub is_constant($)
+{
+	my $s = shift;
+	if (defined $s && $s =~ /^\d/) {
+		return 1;
+	}
+	return 0;
+}
+
+# return a "" quoted string, unless already quoted
+sub make_str($)
+{
+	my $str = shift;
+	if (substr($str, 0, 1) eq "\"") {
+		return $str;
+	}
+	return "\"" . $str . "\"";
+}
+
+# a hack to build on platforms that don't like negative enum values
+my $useUintEnums = 0;
+sub setUseUintEnums($)
+{
+	$useUintEnums = shift;
+}
+sub useUintEnums()
+{
+	return $useUintEnums;
+}
+
+sub ParseExpr($$)
+{
+	my($expr,$varlist) = @_;
+
+	die("Undefined value in ParseExpr") if not defined($expr);
+
+	my @tokens = split /((?:[A-Za-z_])(?:(?:(?:[A-Za-z0-9_.])|(?:->))+))/, $expr;
+	my $ret = "";
+
+	foreach my $t (@tokens) {
+		if (defined($varlist->{$t})) {
+			$ret .= $varlist->{$t};
+		} else {
+			$ret .= $t;
+		}
+	}
+
+	return $ret;
+}
+
+1;