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61 lines
1.6 KiB
Perl
61 lines
1.6 KiB
Perl
# File: FuncSed.pm
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# Author: pragma-
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#
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# Purpose: Registers the sed Function
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package Plugins::FuncSed;
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use parent 'Plugins::Plugin';
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use warnings; use strict;
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use feature 'unicode_strings';
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sub initialize {
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my ($self, %conf) = @_;
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$self->{pbot}->{functions}->register(
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'sed',
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{
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desc => 'a sed-like stream editor',
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usage => 'sed s/<regex>/<replacement>/[Pig]; P preserve case; i ignore case; g replace all',
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subref => sub { $self->func_sed(@_) }
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}
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);
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}
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sub unload {
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my $self = shift;
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$self->{pbot}->{functions}->unregister('sed');
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}
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# near-verbatim insertion of krok's `sed` factoid
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no warnings;
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sub func_sed {
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my $self = shift;
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my $text = "@_";
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if ($text =~ /^s(.)(.*?)(?<!\\)\1(.*?)(?<!\\)\1(\S*)\s+(.*)/p) {
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my ($a, $r, $g, $m, $t) = ($5, "'\"$3\"'", index($4, "g") != -1, $4, $2);
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if ($m =~ /P/) {
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$r =~ s/^'"(.*)"'$/$1/;
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$m =~ s/P//g;
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if ($g) { $a =~ s|(?$m)($t)|$1=~/^[A-Z][^A-Z]/?ucfirst$r:($1=~/^[A-Z]+$/?uc$r:$r)|gie; }
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else { $a =~ s|(?$m)($t)|$1=~/^[A-Z][^A-Z]/?ucfirst$r:($1=~/^[A-Z]+$/?uc$r:$r)|ie; }
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} else {
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if ($g) { $a =~ s/(?$m)$t/$r/geee; }
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else { $a =~ s/(?$m)$t/$r/eee; }
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}
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return $a;
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} else {
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return "sed: syntax error";
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}
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}
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use warnings;
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1;
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