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# ex:ts=8 sw=4:
# $OpenBSD: Search.pm,v 1.3 2007/05/14 11:31:10 espie Exp $
#
# Copyright (c) 2007 Marc Espie <espie@openbsd.org>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
package OpenBSD::Search;
package OpenBSD::Search::PkgSpec;
our @ISA=(qw(OpenBSD::Search));
sub match_ref
{
my ($self, $r) = @_;
my @l = ();
for my $subpattern (@{$self->{patterns}}) {
require OpenBSD::PkgSpec;
push(@l, OpenBSD::PkgSpec::subpattern_match($subpattern, $r));
}
return @l;
}
sub match
{
my ($self, $o) = @_;
return $self->match_ref($o->list);
}
sub filter
{
my ($self, @list) = @_;
return $self->match_ref(\@list);
}
sub new
{
my ($class, $pattern) = @_;
my @l = split /\|/, $pattern;
bless { patterns => \@l }, $class;
}
package OpenBSD::Search::Stem;
our @ISA=(qw(OpenBSD::Search));
sub new
{
my ($class, $stem) = @_;
return bless {stem => $stem}, $class;
}
sub split
{
my ($class, $pkgname) = @_;
require OpenBSD::PackageName;
return $class->new(OpenBSD::PackageName::splitstem($pkgname));
}
sub match
{
my ($self, $o) = @_;
return $o->stemlist->find($self->{stem});
}
sub _keep
{
my ($self, $stem) = @_;
return $self->{stem} eq $stem;
}
sub filter
{
my ($self, @l) = @_;
my @result = ();
require OpenBSD::PackageName;
for my $pkg (@l) {
if ($self->_keep(OpenBSD::PackageName::splitstem($pkgname))) {
push(@result, $pkg);
}
}
return @result;
}
package OpenBSD::Search::PartialStem;
our @ISA=(qw(OpenBSD::Search::Stem));
sub match
{
my ($self, $o) = @_;
return $o->stemlist->find_partial($self->{stem});
}
sub _keep
{
my ($self, $stem) = @_;
my $partial = $self->{stem};
return $stem =~ /\Q$partial\E/;
}
package OpenBSD::Search::Filter;
our @ISA=(qw(OpenBSD::Search));
sub new
{
my ($class, $code) = @_;
return bless {code => $code}, $class;
}
sub filter
{
my ($self, @l) = @_;
return &{$self->{code}}(@l);
}
sub keep_most_recent
{
my $class = shift;
require OpenBSD::PackageName;
return $class->new(\&OpenBSD::PackageName::keep_most_recent);
}
1;
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