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#-*- perl -*-
# Copyright (C) 2000 Ken'ichi Fukamachi
#
# $Id$
# $FML$ # ����: cvs �Υ����� $FML$ �ˤ���
#
package FML::PCB;
use strict;
use Carp;
# PCB: Process Control Block
use vars qw(%_fml_PCB);
sub new
{
my ($self, $args) = @_;
unless (defined %_fml_PCB) { %_fml_PCB = ();}
my $me = \%_fml_PCB;
# import variables
if (defined $args) {
my ($k, $v);
while (($k, $v) = each %$args) { set($me, $k, $v);}
}
return bless $me, $self;
}
sub dump_variables
{
my ($k, $v);
while (($k, $v) = each %_fml_PCB) {
print "${k}: $v\n";
}
}
sub get
{
my ($self, $category, $key) = @_;
$self->{ $category }->{ $key };
}
sub set
{
my ($self, $category, $key, $value) = @_;
$self->{ $category }->{ $key } = $value;
}
sub FETCH
{
my ($self, $key) = @_;
return $_fml_PCB{$key};
}
sub STORE
{
my ($self, $key, $value) = @_;
$_fml_PCB{$key} = $value;
}
sub DELETE
{
my ($self, $key) = @_;
delete $_fml_PCB{$key};
}
sub CLEAR
{
my ($self) = @_;
undef %_fml_PCB;
}
=head1 NAME
FML::PCB -- fml5 PCBuration holding object
=head1 SYNOPSIS
$PCB = new FML::PCB;
# get the current value
$PCB->{recipient_maps};
# set the new value
$PCB->{recipient_maps} = 'mysql:toymodel';
# function style to get/set the value for the key "recipient_maps"
$PCB->get('recipient_maps');
$PCB->set('recipient_maps', 'mysql:toymodel');
=head1 DESCRIPTION
=head1 METHOD
=item Init( ref_to_curproc )
special method only used in the initialization phase.
This method binds $curproc and the %_fml_PCB memory area.
=item load_file( filename )
read the PCBuration file, split key and value and set them to
%_fml_PCB.
=item get( key )
=item set( key, value )
=item dump_variables()
show all {key => value} for debug.
=head1 DATA STRUCTURE
C<%CurProc> holds the CURrent PROCess information.
The hash holds several references to other data structures,
which are mainly hashes.
$CurProc = {
# PCBurations
PCB => {
key => value,
},
# emulator mode though fml mode in fact
emulator => $emulator,
# struct incoming_message holds the mail input from STDIN.
incoming_message => $r_msg,
article => $r_msg,
};
We use r_variable_name syntax where "r_" implies "reference to" here.
C<$r_msg> is the reference to "struct message".
$r_msg = {
r_header => \$header,
r_body => \$body,
info => {
mime-version => 1.0,
content-type => {
charset => ISO-2022-JP,
},
size => $size,
},
};
where $header is the object returned by Mail::Header class (CPAN
module) and the $body is the reference to the mail body region on
memory which locates within FML::Parse name space.
=cut
1;
|
