pidl/lib/Parse/Pidl/CUtil.pm

   1 ###################################################
   2 # C utility functions for pidl
   3 # Copyright jelmer@samba.org 2005-2007
   4 # released under the GNU GPL
   5 package Parse::Pidl::CUtil;
   6
   7 require Exporter;
   8 @ISA = qw(Exporter);
   9 @EXPORT = qw(get_pointer_to get_value_of get_array_element);
  10 use vars qw($VERSION);
  11 $VERSION = '0.01';
  12
  13 use strict;
  14
  15 sub get_pointer_to($)
  16 {
  17         my $var_name = shift;
  18
  19         if ($var_name =~ /^\*(.*)$/) {
  20                 return $1;
  21         } elsif ($var_name =~ /^\&(.*)$/) {
  22                 return "&($var_name)";
  23         } else {
  24                 return "&$var_name";
  25         }
  26 }
  27
  28 sub get_value_of($)
  29 {
  30         my $var_name = shift;
  31
  32         if ($var_name =~ /^\&(.*)$/) {
  33                 return $1;
  34         } else {
  35                 return "*$var_name";
  36         }
  37 }
  38
  39 sub get_array_element($$)
  40 {
  41         my ($var_name, $idx) = @_;
  42
  43         if ($var_name =~ /^\*.*$/) {
  44                 $var_name = "($var_name)";
  45         } elsif ($var_name =~ /^\&.*$/) {
  46                 $var_name = "($var_name)";
  47         }
  48
  49         return "$var_name"."[$idx]";
  50 }
  51
  52 1;