home *** CD-ROM | disk | FTP | other *** search
- # Copyright (c) 1995-2003 Nick Ing-Simmons. All rights reserved.
- # This program is free software; you can redistribute it and/or
- # modify it under the same terms as Perl itself.
- package Tk::Pretty;
- require Exporter;
-
- use vars qw($VERSION @EXPORT);
- $VERSION = '4.006'; # $Id: //depot/Tkutf8/Tk/Pretty.pm#6 $
-
- use base qw(Exporter);
-
- @EXPORT = qw(Pretty PrintArgs);
-
- sub pretty_list
- {
- join(',',map(&Pretty($_),@_));
- }
-
- sub Pretty
- {
- return pretty_list(@_) if (@_ > 1);
- my $obj = shift;
- return 'undef' unless defined($obj);
- my $type = "$obj";
- return $type if ($type =~ /=HASH/ && exists($obj->{"_Tcl_CmdInfo_\0"}));
- my $result = '';
- if (ref $obj)
- {
- my $class;
- if ($type =~ /^([^=]+)=(.*)$/)
- {
- $class = $1;
- $type = $2;
- $result .= 'bless(';
- }
- if ($type =~ /^ARRAY/)
- {
- $result .= '[';
- $result .= pretty_list(@$obj);
- $result .= ']';
- }
- elsif ($type =~ /^HASH/)
- {
- $result .= '{';
- if (%$obj)
- {
- my ($key, $value);
- while (($key,$value) = each %$obj)
- {
- $result .= $key . '=>' . Pretty($value) . ',';
- }
- chop($result);
- }
- $result .= '}';
- }
- elsif ($type =~ /^REF/)
- {
- $result .= "\\" . Pretty($$obj);
- }
- elsif ($type =~ /^SCALAR/)
- {
- $result .= Pretty($$obj);
- }
- else
- {
- $result .= $type;
- }
- $result .= ",$class)" if (defined $class);
- }
- else
- {
- if ($obj =~ /^-?[0-9]+(.[0-9]*(e[+-][0-9]+)?)?$/ ||
- $obj =~ /^[A-Z_][A-Za-z_0-9]*$/ ||
- $obj =~ /^[a-z_][A-Za-z_0-9]*[A-Z_][A-Za-z_0-9]*$/
- )
- {
- $result .= $obj;
- }
- else
- {
- $result .= "'" . $obj . "'";
- }
- }
- return $result;
- }
-
- sub PrintArgs
- {
- my $name = (caller(1))[3];
- print "$name(",Pretty(@_),")\n";
- }
-
- 1;
-