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#-*- perl -*-
#
# Copyright (C) 2001 Ken'ichi Fukamachi
# All rights reserved. This program is free software; you can
# redistribute it and/or modify it under the same terms as Perl itself.
#
# $FML: SendFile.pm,v 1.3 2001/10/14 00:54:16 fukachan Exp $
#
package FML::Command::SendFile;
use strict;
use vars qw(@ISA @EXPORT @EXPORT_OK $AUTOLOAD);
use Carp;
use ErrorStatus;
use FML::Log qw(Log LogWarn LogError);
=head1 NAME
FML::Command::SendFile - utility functions to send back specified file
=head1 SYNOPSIS
not yet implemented
=head1 DESCRIPTION
=head1 METHODS
=head2 C<send_article($curproc, $command_args)>
send back articles.
used in
C<FML::Command::User>
and
C<FML::Command::Admin>
modules.
=cut
# Descriptions: send back articles
# Arguments: $self $curproc $command_args
# Side Effects: none
# Return Value: none
sub send_article
{
my ($self, $curproc, $command_args) = @_;
my $command = $command_args->{ command };
my $config = $curproc->{ config };
my $ml_name = $config->{ ml_name };
my $spool_dir = $config->{ spool_dir };
my $charset = $config->{ template_file_charset };
# command buffer = get 1
# command buffer = get 1,2,3
# command buffer = get last:3
my (@files) = split(/\s+/, $command);
for my $fn (@files) {
my $filelist = $self->_is_valid_argument($curproc, $fn);
if (defined $filelist) {
for my $fn (@$filelist) {
my $file = "$spool_dir/$fn";
if (-f $file) {
Log("send back article $fn");
$curproc->reply_message( {
type => "message/rfc822; charset=$charset",
path => $file,
filename => $fn,
disposition => "$ml_name ML article $fn",
});
}
else {
Log("no such file: $file");
}
}
}
}
}
# Descriptions: check the argument and expand it if needed
# Arguments: $self $curproc $filename_string
# Side Effects: none
# Return Value: HASH ARRAY as [ $fist .. $last ]
sub _is_valid_argument
{
my ($self, $curproc, $fn) = @_;
use File::Sequence;
my $config = $curproc->{ config };
my $file = $config->{ sequence_file };
my $sequence = new File::Sequence { sequence_file => $file };
if ($fn =~ /^\d+$/) {
return [ $fn ];
}
elsif ($fn =~ /^[\d,]+$/) {
my (@fn) = split(/,/, $fn);
return \@fn;
}
elsif ($fn =~ /^(\d+)\-(\d+)$/) {
my ($first, $last) = ($1, $2);
return _expand_range($first, $last);
}
elsif ($fn eq 'first') {
return [ 1 ];
}
elsif ($fn eq 'last' || $fn eq 'cur') {
my $last_id = $sequence->get_id();
return [ $last_id ];
}
elsif ($fn =~ /^first:(\d+)$/) {
my $range = $1;
return _expand_range(1, 1 + $range);
}
elsif ($fn =~ /^last:(\d+)$/) {
my $range = $1;
my $last_id = $sequence->get_id();
return _expand_range($last_id - $range, $last_id);
}
else {
return undef;
}
}
# Descriptions: make an array from $fist to $last number
# Arguments: $first_number $last_number
# Side Effects: none
# Return Value: HASH ARRAY as [ $first .. $last ]
sub _expand_range
{
my ($first, $last) = @_;
my (@fn);
for ($first .. $last) { push(@fn, $_);}
return \@fn;
}
=head2 C<send_file($curproc, $command_args)>
send back file specified as C<$command_args->{ _file_to_send }>.
=cut
# Descriptions:
# Arguments: $self $curproc $command_args
# Side Effects: none
# Return Value: none
sub send_file
{
my ($self, $curproc, $command_args) = @_;
my $what_file = $command_args->{ _file_to_send };
my $config = $curproc->{ config };
my $charset = $config->{ reply_message_charset };
# template substitution: kanji code, $varname expansion et. al.
my $params = {
src => $what_file,
charset_out => $charset,
};
my $xxxx_template = $curproc->prepare_file_to_return( $params );
if (-f $xxxx_template) {
$curproc->reply_message( {
type => "text/plain; charset=$charset",
path => $xxxx_template,
filename => "help",
disposition => "help",
});
}
else {
croak("$what_file not found\n");
}
}
=head1 AUTHOR
Ken'ichi Fukamachi
=head1 COPYRIGHT
Copyright (C) 2001 Ken'ichi Fukamachi
All rights reserved. This program is free software; you can
redistribute it and/or modify it under the same terms as Perl itself.
=head1 HISTORY
FML::Command::SendFile appeared in fml5 mailing list driver package.
See C<http://www.fml.org/> for more details.
=cut
1;
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