From Code to Community: Sponsoring The Perl and Raku Conference 2025 Learn more

ZIGOROU / MozRepl-0.03 / lib / MozRepl / Log.pm 

            

              
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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172

              
package MozRepl::Log;
use strict;
use warnings;
use base qw(Class::Accessor::Fast);
__PACKAGE__->mk_accessors(qw/levels/);
our %LEVELS = ();
{
    my @levels = qw/debug info warn error fatal/;
    for ( my $i = 0; $i < @levels; $i++ ) {
        my $name  = $levels[$i];
        my $level += $i;
        $LEVELS{$name} = $level;
        no strict 'refs';
        *{$name} = sub {
            my $self = shift;
            if ( $self->enable($level) ) {
                $self->log( uc($name), @_ );
            }
        };
        *{"is_$name"} = sub {
            my $self = shift;
            return ( $self->enable($level) ) ? 1 : 0;
        };
    }
}
=head1 NAME
MozRepl::Log - MozRepl logging class
=head1 VERSION
version 0.01
=cut
our $VERSION = '0.01';
=head1 SYNOPSIS
    use MozRepl;
    my $repl = MozRepl->new;
    $repl->setup;
    $repl->log->debug("Look! someone on that wall!");
=head1 METHODS
=head2 new(@levels)
Create instance.
If you want to limit log levels, then specify only levels to want to use.
    my $log = MozRepl::Log->new(qw/info error/);
=cut
sub new {
    my ($class, @levels) = @_;
    my $self  = $class->SUPER::new;
    $self->levels(
        [   @levels > 0
            ? grep { exists $LEVELS{$_} } map { lc($_) } @levels
            : keys %LEVELS
        ]
    );
    return $self;
}
=head2 enable($level)
Return whether the specified level is enabled or not.
=cut
sub enable {
    my ( $self, $level ) = @_;
    ( ( grep { $LEVELS{$_} == $level } @{ $self->levels } ) == 1 ) ? 1 : 0;
}
=head2 log($level, $messages)
Logging messege as specified level.
=cut
sub log {
    my $self = shift;
    my $level = shift;
    my @messages = map { split(/\n/, $_) } @_;
    my $message = @messages > 1 ? join("\n", "", @messages) : shift @messages;
    warn( sprintf( "[%s] %s\n", $level, $message ) );
}
=head2 debug($messeage)
Logging message as debug level.
=head2 info($messeage)
Logging message as info level.
=head2 warn($messeage)
Logging message as warn level.
=head2 error($messeage)
Logging message as error level.
=head2 fatal($messeage)
Logging message as fatl level.
=head2 is_debug()
Return whether the debug level is enabled or not.
=head2 is_info()
Return whether the info level is enabled or not.
=head2 is_warn()
Return whether the warn level is enabled or not.
=head2 is_error()
Return whether the error level is enabled or not.
=head2 is_fatal()
Return whether the fatl level is enabled or not.
=head1 AUTHOR
Toru Yamaguchi, C<< <zigorou@cpan.org> >>
=head1 BUGS
Please report any bugs or feature requests to
C<bug-mozrepl-log@rt.cpan.org>, or through the web interface at
L<http://rt.cpan.org>.  I will be notified, and then you'll automatically be
notified of progress on your bug as I make changes.
=head1 COPYRIGHT & LICENSE
Copyright 2007 Toru Yamaguchi, All Rights Reserved.
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
=cut
1;    # End of MozRepl::Log