1 | # $Id$ |
---|
2 | |
---|
3 | package ObsData::Archive; |
---|
4 | |
---|
5 | use strict; |
---|
6 | use warnings; |
---|
7 | use ObsData::Archive::FlatFile; |
---|
8 | use ObsData::Archive::Compressed; |
---|
9 | use ObsData::Archive::Tar; |
---|
10 | use ObsData::Archive::Zip; |
---|
11 | use ObsData::Archive::Rar; |
---|
12 | |
---|
13 | our $CVSID = q$Id$; |
---|
14 | our $CVSREV = (q$Revision$ =~ /^Revision: (.*) $/)[0]; |
---|
15 | |
---|
16 | my $error = {}; |
---|
17 | |
---|
18 | sub new { |
---|
19 | my ($class, $archive, %options) = @_; |
---|
20 | my $beclass; |
---|
21 | |
---|
22 | if (!$archive) { |
---|
23 | seterror("No archive to read"); |
---|
24 | return undef; |
---|
25 | } |
---|
26 | if (!-r $archive) { |
---|
27 | seterror("No such file or directory"); |
---|
28 | return undef; |
---|
29 | } |
---|
30 | my $o; |
---|
31 | |
---|
32 | foreach (keys %options) { |
---|
33 | $o->{$_} = $options{$_}; |
---|
34 | } |
---|
35 | $o->{archive} = $archive; |
---|
36 | |
---|
37 | for ($archive) { |
---|
38 | /\.tar(\.[^\.]*)?$/ and do { |
---|
39 | $beclass = 'Tar'; |
---|
40 | last; |
---|
41 | }; |
---|
42 | /\.(gz|bz2|Z)$/ and do { |
---|
43 | $beclass = 'Compressed'; |
---|
44 | last; |
---|
45 | }; |
---|
46 | /\.zip$/ and do { |
---|
47 | $beclass = 'Zip'; |
---|
48 | last; |
---|
49 | }; |
---|
50 | /\.rar$/ and do { |
---|
51 | $beclass = 'Rar'; |
---|
52 | last; |
---|
53 | }; |
---|
54 | $beclass = 'FlatFile'; |
---|
55 | } |
---|
56 | |
---|
57 | if ($beclass) { |
---|
58 | my $obj; |
---|
59 | # eval("require $class\:\:$beclass;"); |
---|
60 | eval("\$obj = $class\:\:$beclass->new(\$o);"); |
---|
61 | return $obj; |
---|
62 | } else { |
---|
63 | bless($o, $class); |
---|
64 | } |
---|
65 | } |
---|
66 | |
---|
67 | sub DESTROY { |
---|
68 | my ($self) = @_; |
---|
69 | } |
---|
70 | |
---|
71 | sub ls { |
---|
72 | my ($self) = @_; |
---|
73 | seterror("ls not implement in class " . ref($self)); |
---|
74 | return; |
---|
75 | } |
---|
76 | |
---|
77 | sub extract { |
---|
78 | my ($self, $file, $dest) = @_; |
---|
79 | seterror("extract not implement in class " . ref($self)); |
---|
80 | return; |
---|
81 | } |
---|
82 | |
---|
83 | ### Global functions |
---|
84 | |
---|
85 | sub error { |
---|
86 | return $error->{error}; |
---|
87 | } |
---|
88 | |
---|
89 | sub seterror { |
---|
90 | my ($package, $filename, $line) = caller; |
---|
91 | $error = { |
---|
92 | 'package' => $package, |
---|
93 | 'filename' => $filename, |
---|
94 | 'line' => $line, |
---|
95 | 'error' => $_[1] || $_[0], |
---|
96 | }; |
---|
97 | } |
---|
98 | |
---|
99 | ### Private method |
---|
100 | |
---|
101 | sub _tempdir { |
---|
102 | my ($self) = @_; |
---|
103 | $self->{tmpdir} || $ENV{TMPDIR} |
---|
104 | } |
---|
105 | |
---|
106 | 1; |
---|
107 | |
---|
108 | __END__ |
---|
109 | |
---|
110 | =head1 NAME |
---|
111 | |
---|
112 | ObsData::Archive - Transparently extract files from arbitrary archives |
---|
113 | |
---|
114 | =head1 SYNOPSIS |
---|
115 | |
---|
116 | use ObsData::Archive; |
---|
117 | my $file = "foo.tar.gz"; |
---|
118 | my $oa = ObsData::Archive->new($file) or die ObsData::Archive->error; |
---|
119 | my @content = $oa->ls; |
---|
120 | foreach (@content) { |
---|
121 | $oa->extract($_, "./$_") or die ObsData::Archive->error; |
---|
122 | } |
---|
123 | |
---|
124 | =head1 METHODS |
---|
125 | |
---|
126 | =head2 new($file, %options) |
---|
127 | |
---|
128 | Create a new archive object by reading $file. |
---|
129 | |
---|
130 | Return undef on error and set error status. |
---|
131 | See L<error>. |
---|
132 | |
---|
133 | =head2 ls |
---|
134 | |
---|
135 | list the content of the archive |
---|
136 | |
---|
137 | =head2 extract |
---|
138 | |
---|
139 | Extract a file from the archive and return the filename of extract file |
---|
140 | |
---|
141 | =head1 CLASS METHODS |
---|
142 | |
---|
143 | =head2 error |
---|
144 | |
---|
145 | Return the last error encoutered |
---|
146 | |
---|
147 | =head1 AUTHORS |
---|
148 | |
---|
149 | Olivier Thauvin <olivier.thauvin@aerov.jussieu.fr> |
---|
150 | |
---|
151 | =cut |
---|