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package Archive::Merged; |
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use strict; |
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use Carp qw(croak); |
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use vars qw($VERSION); |
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$VERSION = '0.01'; |
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=head1 NAME |
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Archive::Merged - virtually merge two archives |
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=head1 SYNOPSIS |
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my $merged = Archive::Merged->new( |
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Archive::Tar->new( 'default_theme.tar' ), |
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Archive::SevenZip->archiveTarApi( archivename => 'theme.zip' ), |
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Archive::Dir->new( 'customized/' ), |
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); |
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=head1 METHODS |
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=head2 C<< Archive::Merged->new >> |
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my $merged = Archive::Merged->new( |
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Archive::Tar->new( 'default_theme.tar' ), |
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Archive::Dir->new( 'customized/' ), |
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); |
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Creates a new archive as the merged view of one or more archives |
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or directories. |
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=cut |
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sub new { |
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my ($class, @archives) = @_; |
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my $self = { |
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archives => \@archives, |
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}; |
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bless $self => $class; |
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$self |
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}; |
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=head2 C<< ->directory >> |
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=cut |
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sub directory { |
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undef |
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}; |
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=head2 C<< ->archives >> |
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my @archives = $merged->archives; |
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Accessor for the archives that represent this archive. |
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=cut |
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sub archives { |
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@{ $_[0]->{archives} } |
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} |
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=head2 C<< ->contains_file >> |
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if( $merged->contains_file( $file ) ) { |
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print "Yay!" |
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} else { |
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print "File '$file' not found"; |
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}; |
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Returns the underlying archive that contains the file. Returns |
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undef if the file is not found. |
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=cut |
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sub contains_file { |
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my( $self, $file ) = @_; |
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for my $ar ($self->archives) { |
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if( $ar->contains_file( $file ) ) { |
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return $ar |
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}; |
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}; |
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}; |
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=head2 C<< ->get_content( $file, %options ) >> |
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my $content = $merged->get_content( $file, binmode => ':raw' ) |
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Returns the content of the file, potentially with the encoding. |
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=cut |
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sub get_content { |
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my( $self, $file, %options ) = @_; |
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my $ar = $self->contains_file( $file ); |
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$ar->get_content( $file, %options ) |
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}; |
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=head2 C<< ->list_files( ) >> |
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my @contents = $merged->list_files; |
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Lists the contained files of the archive. Files that are shadowed |
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are only listed once. |
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=cut |
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sub list_files { |
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my ($self,$properties) = @_; |
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croak "Listing properties is not (yet) implemented" |
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if $properties; |
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my %seen; |
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my @files; |
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for my $ar ($self->archives) { |
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for my $file ($ar->list_files) { |
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if( ! $seen{ $file }++) { |
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push @files, $file; |
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}; |
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}; |
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}; |
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@files |
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} |
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=head2 C<< ->extract_file( ) >> |
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$merged->extract_file( $name => $target ); |
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Extracts the file to the target name. |
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=cut |
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sub extract_file { |
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my ($self,$file,$target) = @_; |
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my $ar = $self->contains_file( $file ); |
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$ar->extract_file( $file, $target ); |
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}; |
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1; |
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=head1 REPOSITORY |
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The public repository of this module is |
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L. |
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=head1 SUPPORT |
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The public support forum of this module is |
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L. |
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=head1 BUG TRACKER |
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Please report bugs in this module via the RT CPAN bug queue at |
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or via mail to L. |
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=head1 AUTHOR |
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Max Maischein C |
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=head1 COPYRIGHT (c) |
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Copyright 2015-2016 by Max Maischein C. |
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=head1 LICENSE |
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This module is released under the same terms as Perl itself. |
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=cut |
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=head1 SEE ALSO |
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=cut |