1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
# Copyright 2009, 2010, 2011, 2012, 2013 Kevin Ryde.
# MyLocatePerl.pm is shared by various distributions.
#
# MyLocatePerl.pm is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 3, or (at your option) any later
# version.
#
# MyLocatePerl.pm is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License along
# with this file. If not, see <http://www.gnu.org/licenses/>.
package MyLocatePerl;
use 5.006;
use strict;
use warnings;
use base 'File::Locate::Iterator';
use FindBin;
use File::Slurp 'slurp';
use IO::File;
use IO::Uncompress::AnyInflate;
use MyUniqByInode;
use MyUniqByMD5;
# uncomment this to run the ### lines
# use Smart::Comments;
# glob => '/usr/share/perl5/Debconf/FrontEnd/*'
my $compressed_re = qr/\.gz$/;
sub new {
my ($class, %options) = @_;
my @suffixes = ('t','pm','pl','PL');
if (delete $options{'include_pod'}) {
push @suffixes, 'pod';
}
if (delete $options{'exclude_t'}) {
@suffixes = grep {$_ ne 't'} @suffixes;
}
if (delete $options{'only_t'}) {
@suffixes = ('t');
}
my $suffixes = join('|',@suffixes);
my $suffixes_re = qr/\.($suffixes)($compressed_re)?$/;
### $suffixes
### $suffixes_re
my $locate_regexp = $suffixes_re;
if (defined (my $under_directory = $options{'under_directory'})) {
unless ($under_directory =~ m{/$}) {
$under_directory .= '/';
}
$locate_regexp = qr/^\Q$under_directory\E.*$suffixes_re/;
}
### $locate_regexp
my $self = $class->SUPER::new (
# globs => ['/bin/*',
# '/usr/bin/*',
# '/usr/local/bin/*',
# '/usr/local/bin2/*'],
regexp => $locate_regexp,
%options);
$self->{'uniq_ino'} = MyUniqByInode->new;
$self->{'uniq_md5'} = MyUniqByMD5->new;
$self->{'my_suffixes_re'} = $suffixes_re;
return $self;
}
sub next {
my ($self) = @_;
unless ($self->{'done_script'}) {
$self->{'done_script'} = 1;
my $filename = File::Spec->catfile ($FindBin::Bin, $FindBin::Script);
### $filename
my $content = slurp($filename);
return ($filename, $content);
}
for (;;) {
defined(my $filename = $self->SUPER::next) or return;
### consider: $filename
next if $filename =~ m{/blib/};
next if $filename =~ m{/DateTime/TimeZone/}; # data .pm's
next if $filename =~ m{/Date/Manip/TZ/}; # data .pm's
next if $filename =~ m{/Date/Manip/Offset/}; # data .pm's
next if $filename =~ m{/Text/Unidecode/}; # data .pm's
next if $filename =~ m{/junk.pl};
my $io;
if ($filename =~ $compressed_re) {
$io = IO::Uncompress::AnyInflate->new ($filename);
} else {
$io = IO::File->new ($filename, 'r');
}
$io or next;
$self->{'uniq_ino'}->uniq($filename) or next; # or $io ???
my $content = _slurp_if_perl ($self, $filename, $io);
### content: $content && "ok"
next if ! defined $content;
$self->{'uniq_md5'}->uniq_str($content) or next;
### return: $filename
return ($filename, $content);
}
}
sub _slurp_if_perl {
my ($self, $filename, $io) = @_;
### slurp: "$io"
my $first = '';
if ($filename !~ $self->{'my_suffixes_re'}) {
# file in /bin etc must have #!.../perl
$io->read($first, 128) or return;
### first part: $first
if ($first !~ m{^#!([^\r\n]*/|[ \t]*)perl[ \t\r\n]}) {
### no #!perl
return;
}
}
my $rest = do { local $/; $io->getline }; # slurp
if (! defined $rest) {
### read error: $!
return;
}
return $first . $rest;
}
1;
__END__
|
