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
|
#
# InspIRCd -- Internet Relay Chat Daemon
#
# Copyright (C) 2014-2017 Peter Powell <petpow@saberuk.com>
#
# This file is part of InspIRCd. InspIRCd 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, version 2.
#
# This program 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 program. If not, see <http://www.gnu.org/licenses/>.
#
package make::console;
BEGIN {
require 5.10.0;
}
use feature ':5.10';
use strict;
use warnings FATAL => qw(all);
use Class::Struct qw(struct);
use Exporter qw(import);
use File::Path qw(mkpath);
use File::Spec::Functions qw(rel2abs);
our @EXPORT = qw(command
execute_command
print_format
print_error
print_warning
prompt_bool
prompt_dir
prompt_string);
my %FORMAT_CODES = (
DEFAULT => "\e[0m",
BOLD => "\e[1m",
UNDERLINE => "\e[4m",
RED => "\e[1;31m",
GREEN => "\e[1;32m",
YELLOW => "\e[1;33m",
BLUE => "\e[1;34m"
);
my %commands;
struct 'command' => {
'callback' => '$',
'description' => '$',
};
sub __console_format($$) {
my ($name, $data) = @_;
return $data unless -t STDOUT;
return $FORMAT_CODES{uc $name} . $data . $FORMAT_CODES{DEFAULT};
}
sub print_format($;$) {
my $message = shift;
my $stream = shift // *STDOUT;
while ($message =~ /(<\|(\S+)\s(.*?)\|>)/) {
my $formatted = __console_format $2, $3;
$message =~ s/\Q$1\E/$formatted/;
}
print { $stream } $message;
}
sub print_error {
print_format "<|RED Error:|> ", *STDERR;
for my $line (@_) {
print_format "$line\n", *STDERR;
}
exit 1;
}
sub print_warning {
print_format "<|YELLOW Warning:|> ", *STDERR;
for my $line (@_) {
print_format "$line\n", *STDERR;
}
}
sub prompt_bool($$$) {
my ($interactive, $question, $default) = @_;
while (1) {
my $answer = prompt_string($interactive, $question, $default ? 'yes' : 'no');
return 1 if $answer =~ /^y(?:es)?$/i;
return 0 if $answer =~ /^no?$/i;
print_warning "\"$answer\" is not \"yes\" or \"no\". Please try again.\n";
}
}
sub prompt_dir($$$;$) {
my ($interactive, $question, $default, $create_now) = @_;
my ($answer, $create);
do {
$answer = rel2abs(prompt_string($interactive, $question, $default));
$create = prompt_bool($interactive && !-d $answer, "$answer does not exist. Create it?", 'y');
if ($create && $create_now) {
unless (create_directory $answer, 0750) {
print_warning "unable to create $answer: $!\n";
$create = 0;
}
}
} while (!$create);
return $answer;
}
sub prompt_string($$$) {
my ($interactive, $question, $default) = @_;
return $default unless $interactive;
print_format "$question\n";
print_format "[<|GREEN $default|>] => ";
chomp(my $answer = <STDIN>);
say '';
return $answer ? $answer : $default;
}
sub command($$$) {
my ($name, $description, $callback) = @_;
$commands{$name} = command->new;
$commands{$name}->callback($callback);
$commands{$name}->description($description);
}
sub command_alias($$) {
my ($source, $target) = @_;
command $source, undef, sub(@) {
execute_command $target, @_;
};
}
sub execute_command(@) {
my $command = defined $_[0] ? lc shift : 'help';
if ($command eq 'help') {
print_format "<|GREEN Usage:|> $0 <<|UNDERLINE COMMAND|>> [<|UNDERLINE OPTIONS...|>]\n\n";
print_format "<|GREEN Commands:|>\n";
for my $key (sort keys %commands) {
next unless defined $commands{$key}->description;
my $name = sprintf "%-15s", $key;
my $description = $commands{$key}->description;
print_format " <|BOLD $name|> # $description\n";
}
exit 0;
} elsif (!$commands{$command}) {
print_error "no command called <|BOLD $command|> exists!",
"See <|BOLD $0 help|> for a list of commands.";
} else {
return $commands{$command}->callback->(@_);
}
}
1;
|
