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## --------------------------------------------------------------------------- |
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## $Id: Symbol.pm,v 1.3 2003/05/13 07:33:38 joko Exp $ |
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## --------------------------------------------------------------------------- |
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## $Log: Symbol.pm,v $ |
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## Revision 1.3 2003/05/13 07:33:38 joko |
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## enhanced: now can get symbols as list or hash |
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## |
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## Revision 1.2 2003/03/27 15:17:03 joko |
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## namespace fixes for Data::Mungle::* |
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## |
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## Revision 1.1 2003/01/22 17:59:22 root |
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## + refactored from Mail::Audit::Dispatch |
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## |
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## --------------------------------------------------------------------------- |
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|
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|
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=pod |
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|
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=head1 TODO |
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|
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o Investigate: Could this functionality be completely replaced through CPAN's |
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- Symbol.pm? |
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- Alias.pm? |
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|
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|
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=cut |
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|
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|
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package Data::Mungle::Code::Symbol; |
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|
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use strict; |
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use warnings; |
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|
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require Exporter; |
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our @ISA = qw( Exporter ); |
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our @EXPORT_OK = qw( |
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export_symbols |
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alias_simple |
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); |
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|
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|
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use Data::Mungle::Code::Ref qw( get_coderef ); |
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use Symbol; |
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|
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sub export_symbols { |
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my $symbols = shift; |
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my $mixinPackage = shift; |
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my $callPackage = shift; |
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$callPackage ||= __PACKAGE__; |
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if (ref $symbols eq 'ARRAY') { |
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foreach (@$symbols) { |
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{ |
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no strict 'refs'; |
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my $newName = $mixinPackage . '::' . $_; |
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*{$newName} = get_coderef($callPackage, $_); |
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} |
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} |
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|
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} elsif (ref $symbols eq 'HASH') { |
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foreach (keys %$symbols) { |
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{ |
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no strict 'refs'; |
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my $newName = $mixinPackage . '::' . $symbols->{$_}; |
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*{$newName} = get_coderef($callPackage, $_); |
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} |
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} |
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|
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} |
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} |
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|
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# Qualifies a variable identified by package name and variable |
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# name into a valid symbol, resolves that symbol and stores the |
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# result (a reference to this variable) into the designated target (slot). |
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sub alias_simple { |
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my $rule = shift; |
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my $target = $rule->{slot}; |
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my $name = $rule->{alias}; |
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my $sym = qualify($rule->{var_name}, $rule->{var_pkg}); |
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{ |
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no strict 'refs'; |
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$target->{$name} = ${$sym}; |
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} |
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} |
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|
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1; |
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__END__ |
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