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#
# InspIRCd -- Internet Relay Chat Daemon
#
# Copyright (C) 2014-2017 Sadie Powell <sadie@witchery.services>
#
# 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;
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