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319fab50 |
1 | package IO::Compress::Adapter::Bzip2 ; |
2 | |
3 | use strict; |
4 | use warnings; |
5 | use bytes; |
6 | |
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7 | use IO::Compress::Base::Common 2.021 qw(:Status); |
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8 | |
9 | #use Compress::Bzip2 ; |
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10 | use Compress::Raw::Bzip2 2.021 ; |
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11 | |
12 | our ($VERSION); |
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13 | $VERSION = '2.021'; |
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14 | |
15 | sub mkCompObject |
16 | { |
17 | my $BlockSize100K = shift ; |
18 | my $WorkFactor = shift ; |
19 | my $Verbosity = shift ; |
20 | |
21 | my ($def, $status) = new Compress::Raw::Bzip2(1, $BlockSize100K, |
22 | $WorkFactor, $Verbosity); |
23 | #my ($def, $status) = bzdeflateInit(); |
24 | #-BlockSize100K => $params->value('BlockSize100K'), |
25 | #-WorkFactor => $params->value('WorkFactor'); |
26 | |
27 | return (undef, "Could not create Deflate object: $status", $status) |
28 | if $status != BZ_OK ; |
29 | |
30 | return bless {'Def' => $def, |
31 | 'Error' => '', |
32 | 'ErrorNo' => 0, |
33 | } ; |
34 | } |
35 | |
36 | sub compr |
37 | { |
38 | my $self = shift ; |
39 | |
40 | my $def = $self->{Def}; |
41 | |
42 | #my ($out, $status) = $def->bzdeflate(defined ${$_[0]} ? ${$_[0]} : "") ; |
43 | my $status = $def->bzdeflate($_[0], $_[1]) ; |
44 | $self->{ErrorNo} = $status; |
45 | |
46 | if ($status != BZ_RUN_OK) |
47 | { |
48 | $self->{Error} = "Deflate Error: $status"; |
49 | return STATUS_ERROR; |
50 | } |
51 | |
52 | #${ $_[1] } .= $out if defined $out; |
53 | |
54 | return STATUS_OK; |
55 | } |
56 | |
57 | sub flush |
58 | { |
59 | my $self = shift ; |
60 | |
61 | my $def = $self->{Def}; |
62 | |
63 | #my ($out, $status) = $def->bzflush($opt); |
64 | #my $status = $def->bzflush($_[0], $opt); |
65 | my $status = $def->bzflush($_[0]); |
66 | $self->{ErrorNo} = $status; |
67 | |
68 | if ($status != BZ_RUN_OK) |
69 | { |
70 | $self->{Error} = "Deflate Error: $status"; |
71 | return STATUS_ERROR; |
72 | } |
73 | |
74 | #${ $_[0] } .= $out if defined $out ; |
75 | return STATUS_OK; |
76 | |
77 | } |
78 | |
79 | sub close |
80 | { |
81 | my $self = shift ; |
82 | |
83 | my $def = $self->{Def}; |
84 | |
85 | #my ($out, $status) = $def->bzclose(); |
86 | my $status = $def->bzclose($_[0]); |
87 | $self->{ErrorNo} = $status; |
88 | |
89 | if ($status != BZ_STREAM_END) |
90 | { |
91 | $self->{Error} = "Deflate Error: $status"; |
92 | return STATUS_ERROR; |
93 | } |
94 | |
95 | #${ $_[0] } .= $out if defined $out ; |
96 | return STATUS_OK; |
97 | |
98 | } |
99 | |
100 | |
101 | sub reset |
102 | { |
103 | my $self = shift ; |
104 | |
105 | my $outer = $self->{Outer}; |
106 | |
107 | my ($def, $status) = new Compress::Raw::Bzip2(); |
108 | $self->{ErrorNo} = ($status == BZ_OK) ? 0 : $status ; |
109 | |
110 | if ($status != BZ_OK) |
111 | { |
112 | $self->{Error} = "Cannot create Deflate object: $status"; |
113 | return STATUS_ERROR; |
114 | } |
115 | |
116 | $self->{Def} = $def; |
117 | |
118 | return STATUS_OK; |
119 | } |
120 | |
121 | sub compressedBytes |
122 | { |
123 | my $self = shift ; |
124 | $self->{Def}->compressedBytes(); |
125 | } |
126 | |
127 | sub uncompressedBytes |
128 | { |
129 | my $self = shift ; |
130 | $self->{Def}->uncompressedBytes(); |
131 | } |
132 | |
133 | #sub total_out |
134 | #{ |
135 | # my $self = shift ; |
136 | # 0; |
137 | #} |
138 | # |
139 | |
140 | #sub total_in |
141 | #{ |
142 | # my $self = shift ; |
143 | # $self->{Def}->total_in(); |
144 | #} |
145 | # |
146 | #sub crc32 |
147 | #{ |
148 | # my $self = shift ; |
149 | # $self->{Def}->crc32(); |
150 | #} |
151 | # |
152 | #sub adler32 |
153 | #{ |
154 | # my $self = shift ; |
155 | # $self->{Def}->adler32(); |
156 | #} |
157 | |
158 | |
159 | 1; |
160 | |
161 | __END__ |
162 | |