| 1 | # -*-perl-*- |
| 2 | # |
| 3 | # $Id$ |
| 4 | # |
| 5 | # Key management |
| 6 | # |
| 7 | # (c) 2004 Straylight/Edgeware |
| 8 | # |
| 9 | |
| 10 | #----- Licensing notice ----------------------------------------------------- |
| 11 | # |
| 12 | # This file is part of the Perl interface to Catacomb. |
| 13 | # |
| 14 | # Catacomb/Perl is free software; you can redistribute it and/or modify |
| 15 | # it under the terms of the GNU General Public License as published by |
| 16 | # the Free Software Foundation; either version 2 of the License, or |
| 17 | # (at your option) any later version. |
| 18 | # |
| 19 | # Catacomb/Perl is distributed in the hope that it will be useful, |
| 20 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 22 | # GNU General Public License for more details. |
| 23 | # |
| 24 | # You should have received a copy of the GNU General Public License |
| 25 | # along with Catacomb/Perl; if not, write to the Free Software Foundation, |
| 26 | # Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 27 | |
| 28 | #----- Key data ------------------------------------------------------------- |
| 29 | |
| 30 | package Catacomb::Key::Data::StructTie; |
| 31 | use Carp; |
| 32 | use Catacomb::Base; |
| 33 | |
| 34 | sub TIEHASH { bless [$_[1], []], $_[0]; } |
| 35 | sub FETCH { $_[0][0]->find($_[1]); } |
| 36 | sub EXISTS { !!$_[0][0]->find($_[1]); } |
| 37 | sub DELETE { $_[0][0]->del($_[1]); } |
| 38 | sub STORE { $_[0][0]->find($_[1], $_[2]); } |
| 39 | |
| 40 | sub CLEAR { |
| 41 | my ($me) = @_; |
| 42 | my $kd = $me->[0]; |
| 43 | my $i = $kd->iterate(); |
| 44 | $kd->del($k) while my $k = $i->next(); |
| 45 | 1; |
| 46 | } |
| 47 | |
| 48 | sub FIRSTKEY { |
| 49 | my ($me) = @_; |
| 50 | my $kd = $me->[0]; |
| 51 | my $i = $kd->iterate(); |
| 52 | my @k = (); |
| 53 | while (my $k = $i->next()) { |
| 54 | push(@k, $k); |
| 55 | } |
| 56 | $me->[1] = \@k; |
| 57 | return shift(@k); |
| 58 | } |
| 59 | sub NEXTKEY { shift(@{$_[0][1]}); } |
| 60 | |
| 61 | package Catacomb::Key::Data::Structured; |
| 62 | sub open { my %h; tie %h, Catacomb::Key::Data::StructTie, $_[0]; \%h; } |
| 63 | |
| 64 | foreach $i (qw(Binary Encrypted MP EC String Structured)) { |
| 65 | @{"Catacomb::Key::Data::${i}::ISA"} = qw(Catacomb::Key::Data); |
| 66 | } |
| 67 | |
| 68 | #----- Actual keys ---------------------------------------------------------- |
| 69 | |
| 70 | package Catacomb::Key::Attrs; |
| 71 | use Carp; |
| 72 | |
| 73 | sub TIEHASH { bless [$_[1], []], $_[0]; } |
| 74 | sub FETCH { $_[0][0]->getattr($_[1]); } |
| 75 | sub EXISTS { defined($_[0][0]->getattr($_[1])); } |
| 76 | sub STORE { $_[0][0]->putattr($_[1], $_[2]); } |
| 77 | sub DELETE { $_[0][0]->putattr($_[1]); } |
| 78 | sub FIRSTKEY { |
| 79 | my ($me) = @_; |
| 80 | my $k = $me->[0]; |
| 81 | my $i = $k->attriter(); |
| 82 | my @a; |
| 83 | while (my $a = $i->next()) { push(@a, $a); } |
| 84 | $me->[1] = \@a; |
| 85 | return shift(@a); |
| 86 | } |
| 87 | sub NEXTKEY { shift(@{$_[0][1]}); } |
| 88 | |
| 89 | package Catacomb::Key; |
| 90 | |
| 91 | sub attrs { |
| 92 | croak("Usage: Catacomb::Key::attrs(k)") unless @_ == 1; |
| 93 | my %a; |
| 94 | tie %a, Catacomb::Key::Attrs, @_; |
| 95 | return \%a; |
| 96 | } |
| 97 | |
| 98 | #----- That's all, folks ---------------------------------------------------- |
| 99 | |
| 100 | 1; |