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=head1 NAME |
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Text::Same::Cache |
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=head1 DESCRIPTION |
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A (planned) cache of ChunkedSource objects. For now there is just one method: |
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get(), which returns a ChunkedSource object for a particular file. |
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=head1 SYNOPSIS |
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my $cache = new Text::Same::Cache(); |
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my $chunked_source = $cache->get($file); |
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=head1 METHODS |
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See below. Methods private to this module are prefixed by an |
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underscore. |
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=cut |
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package Text::Same::Cache; |
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use warnings; |
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use strict; |
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use Carp; |
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use vars qw($VERSION); |
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$VERSION = '0.07'; |
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use Text::Same::FileChunkedSource; |
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=head2 new |
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Title : new |
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Usage : $cache = new Text::Same::Cache(); |
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Function: return a new, empty cache |
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=cut |
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sub new |
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{ |
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1
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my $self = shift; |
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my $class = ref($self) || $self; |
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return bless {}, $class; |
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} |
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=head2 get |
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Title : get |
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Usage : my $chunked_source = $cache->get($file); |
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Function: return a ChunkedSource object for the given file, possibly getting |
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the ChunkedSource details from a cache |
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=cut |
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sub get |
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{ |
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1
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my $self = shift; |
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my $filename = shift; |
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72
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my @lines = (); |
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252
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local $/ = "\n"; |
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if ($filename =~ /(rcs|svn|co).*\|/) { |
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0
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0
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open F, "$filename" or die "$!: $filename\n"; |
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0
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@lines = map {chomp; $_} (); |
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69
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} else { |
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50
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open F, "<$filename" or die "$!: $filename\n"; |
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72
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1713
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@lines = map {chomp; $_} (); |
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579
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691
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579
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1155
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72
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} |
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72
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427
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return new Text::Same::FileChunkedSource(name=>$filename, chunks=>\@lines); |
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} |
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=head1 AUTHOR |
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78
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Kim Rutherford |
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80
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=head1 COPYRIGHT & LICENSE |
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Copyright 2005,2006 Kim Rutherford. All rights reserved. |
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84
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This program is free software; you can redistribute it and/or modify it |
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under the same terms as Perl itself. |
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87
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=head1 DISCLAIMER |
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This module is provided "as is" without warranty of any kind. It |
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may redistributed under the same conditions as Perl itself. |
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91
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92
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=cut |
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94
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1; |