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Diffstat (limited to 'Master/tlpkg/tlperl/lib/Tk/Pretty.pm')
-rw-r--r-- | Master/tlpkg/tlperl/lib/Tk/Pretty.pm | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/Master/tlpkg/tlperl/lib/Tk/Pretty.pm b/Master/tlpkg/tlperl/lib/Tk/Pretty.pm new file mode 100644 index 00000000000..7e442a4bcbc --- /dev/null +++ b/Master/tlpkg/tlperl/lib/Tk/Pretty.pm @@ -0,0 +1,93 @@ +# 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; |