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|
#-*- perl -*-
#
# Copyright (C) 2005,2006 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: PCRE.pm,v 1.2 2005/12/11 13:10:25 fukachan Exp $
#
package IO::Adapter::PCRE;
use strict;
use vars qw(@ISA @EXPORT @EXPORT_OK $AUTOLOAD
$Counter %LockedFileHandle %FileIsLocked);
use Carp;
use IO::Adapter::ErrorStatus qw(error_set error error_clear);
my $debug = 0;
use IO::Adapter::File;
push(@ISA, 'IO::Adapter::File');
=head1 NAME
IO::Adapter::PCRE - IO functions for a pcre file.
=head1 SYNOPSIS
$map = 'pcre:/var/spool/ml/elena/sender_check';
To read list
use IO::Adapter;
$obj = new IO::Adapter $map;
$obj->open || croak("cannot open $map");
$obj->find($address);
=head1 DESCRIPTION
This module provides real IO functions for a file used in
C<IO::Adapter>.
The map is the fully path-ed file name or a file name with 'pcre:'
prefix.
=head1 METHODS
=head2 new()
constructor.
=cut
# Descriptions: search, md = map dependent.
# Arguments: OBJ($self) STR($regexp) HASH_REF($args)
# Side Effects: update cache on memory.
# Return Value: STR or ARRAY_REF
sub md_find
{
my ($self, $regexp, $args) = @_;
my $case_sensitive = $args->{ case_sensitive } ? 1 : 0;
my $want = $args->{ want } || 'key,value';
my $hints = $args->{ hints } || [];
my $show_all = $args->{ all } ? 1 : 0;
my (@buf, $x);
if ($debug) {
eval q{
use Data::Dumper;
print "pcre_md_find($regexp,\n";
print "\t";
print Dumper($args);
print ")\n";
};
}
$self->open();
my $pcre;
LINE:
while ($pcre = $self->get_next_key()) {
if ($debug) {
print "SEARCH: ($regexp|[@$hints]) =~ /$pcre/\n";
}
if ($show_all) {
if ($case_sensitive) {
if ($regexp =~ /$pcre/) {
push(@buf, $regexp);
}
for my $hint (@$hints) {
if ($hint =~ /$pcre/) {
push(@buf, $hint);
}
}
}
else {
if ($regexp =~ /$pcre/i) {
push(@buf, $regexp);
}
for my $hint (@$hints) {
if ($hint =~ /$pcre/i) {
push(@buf, $hint);
}
}
}
}
else {
if ($case_sensitive) {
if ($regexp =~ /$pcre/) {
$x = $regexp;
last LINE;
}
for my $hint (@$hints) {
if ($hint =~ /$pcre/) {
$x = $regexp;
last LINE;
}
}
}
else {
if ($regexp =~ /$pcre/i) {
$x = $regexp;
last LINE;
}
for my $hint (@$hints) {
if ($hint =~ /$pcre/i) {
$x = $regexp;
last LINE;
}
}
}
}
}
$self->close();
return( $show_all ? \@buf : $x );
}
=head1 SEE ALSO
L<IO::Adapter>
=head1 CODING STYLE
See C<http://www.fml.org/software/FNF/> on fml coding style guide.
=head1 AUTHOR
Ken'ichi Fukamachi
=head1 COPYRIGHT
Copyright (C) 2005,2006 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
IO::Adapter::PCRE first appeared in fml8 mailing list driver package.
See C<http://www.fml.org/> for more details.
=cut
1;
|
