/
Base.pm
67 lines (58 loc) · 1.38 KB
/
Base.pm
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package Text::Xatena::Inline::Base;
use strict;
use warnings;
use List::MoreUtils qw(any);
sub import {
my $class = shift;
my $caller = caller(0);
if (any { $_ eq '-Base' } @_) {
no strict 'refs';
push @{"$caller\::ISA"}, $class;
for my $method (qw/match/) {
no warnings 'redefine';
*{"$caller\::$method"} = \&{"$class\::$method"};
}
}
}
sub inlines {
my ($caller) = @_;
$caller = ref($caller) || $caller;
no strict 'refs';
${$caller.'::_inlines'} ||= do {
my $parents = [];
for my $isa (@{$caller.'::ISA'}) {
my $isa = $isa->inlines;
push @$parents, @$isa;
}
$parents;
};
}
sub match ($$) { ## no critic
my ($regexp, $block) = @_;
my $pkg = caller(0);
push @{ $pkg->inlines }, { regexp => $regexp, block => $block };
}
sub new {
my ($class, %opts) = @_;
bless {
%opts
}, $class;
}
sub format {
my ($self, $text) = @_;
$text =~ s{^\n}{}g;
my $re = join("|", map { $_->{regexp} } @{ $self->inlines });
$text =~ s{($re)}{$self->_format($1)}eg;
$text;
}
sub _format {
my ($self, $string) = @_;
for my $inline (@{ $self->inlines }) {
if (my @matched = ($string =~ $inline->{regexp})) {
$string = $inline->{block}->($self, @matched);
last;
}
}
$string;
}
1;