PerlMail/Contacts.pm

   1 #! /usr/bin/perl -w
   2 #
   3 #       $Id$
   4 # Copyright (C) 2002-2003 Jan Kratochvil <short@ucw.cz>
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19
  20
  21 package PerlMail::Contacts;
  22 use vars qw($VERSION);
  23 $VERSION=do { my @r=(q$Revision$=~/\d+/g); sprintf "%d.".("%03d"x$#r),@r; };
  24 use strict;
  25 #use warnings;
  26
  27
  28 sub new
  29 {
  30 my($class)=@_;
  31 my $self=bless {
  32                 "data"=>[],
  33                 },$class;
  34
  35         return $self;
  36 }
  37
  38 sub _parse
  39 {
  40 my($self,$data,@headers)=@_;
  41
  42         my $re=join("(.*?)(\r\n)?",map("\Q[$_]\E\r\n",@headers));
  43         $re=qr/^$re/s;
  44         my @r=();
  45         while (my @items=($data=~/$re/s)) {
  46                 my %h=();
  47                 for my $i (0..$#headers) {
  48                         $h{$headers[$i]}=(!$items[2*$i+1] ? undef : $items[2*$i+0])
  49                         }
  50                 push @r,\%h;
  51                 $data=substr($data,length $&);
  52                 }
  53         die "Unrecognized data (parsing ".join("/",@headers)."): $data" if $data;
  54         return @r;
  55 }
  56
  57 sub import
  58 {
  59 my($self,$data)=@_;
  60
  61         $self=$self->new() if !ref $self;
  62         push @{$self->{"data"}},map({
  63                         [ $self->_parse($_->{"RECORD"}."\r\n","FIELD","FIELD-NAME","FIELD-DATA","FIELD-END") ];
  64                         } $self->_parse($data,"RECORD","RECORD-END"));
  65         return (wantarray() ? @{$self->{"data"}} : $self->{"data"});
  66 }
  67
  68 sub _join
  69 {
  70 my($self,$href,@headers)=@_;
  71
  72         my $trailer=pop @headers;
  73         return join("",map(("[$_]\r\n".(!defined $href->{$_} ? "" : $href->{$_}."\r\n")),@headers))."[$trailer]\r\n";
  74 }
  75
  76 sub export
  77 {
  78 my($self,$data)=@_;
  79
  80         $data=$self->{"data"} if !$data;
  81         return join("",map({
  82                         "[RECORD]\r\n".join("",map({
  83                                         $self->_join($_,"FIELD","FIELD-NAME","FIELD-DATA","FIELD-END");
  84                                         } @$_))."[RECORD-END]\r\n";
  85                         } @$data));
  86 }
  87
  88 1;