387 |
sub set_max { |
sub set_max { |
388 |
my $self = shift; |
my $self = shift; |
389 |
my $max = shift; |
my $max = shift; |
390 |
croak "set_max needs number" unless ($max =~ m/^\d+$/); |
croak "set_max needs number, not '$max'" unless ($max =~ m/^\d+$/); |
391 |
$self->{max} = $max; |
$self->{max} = $max; |
392 |
} |
} |
393 |
|
|
662 |
sub get_doc { |
sub get_doc { |
663 |
my $self = shift; |
my $self = shift; |
664 |
my $num = shift; |
my $num = shift; |
665 |
croak "expect number as argument" unless ($num =~ m/^\d+$/); |
croak "expect number as argument, not '$num'" unless ($num =~ m/^\d+$/); |
666 |
return undef if ($num < 0 || $num > $self->{docs}); |
return undef if ($num < 0 || $num > $self->{docs}); |
667 |
return $self->{docs}->[$num]; |
return $self->{docs}->[$num]; |
668 |
} |
} |
688 |
|
|
689 |
package Search::Estraier::Node; |
package Search::Estraier::Node; |
690 |
|
|
691 |
use Carp qw/carp croak/; |
use Carp qw/carp croak confess/; |
692 |
use URI; |
use URI; |
693 |
use MIME::Base64; |
use MIME::Base64; |
694 |
use IO::Socket::INET; |
use IO::Socket::INET; |
695 |
|
use URI::Escape qw/uri_escape/; |
696 |
|
|
697 |
=head1 Search::Estraier::Node |
=head1 Search::Estraier::Node |
698 |
|
|
751 |
sub set_proxy { |
sub set_proxy { |
752 |
my $self = shift; |
my $self = shift; |
753 |
my ($host,$port) = @_; |
my ($host,$port) = @_; |
754 |
croak "proxy port must be number" unless ($port =~ m/^\d+$/); |
croak "proxy port must be number, not '$port'" unless ($port =~ m/^\d+$/); |
755 |
$self->{pxhost} = $host; |
$self->{pxhost} = $host; |
756 |
$self->{pxport} = $port; |
$self->{pxport} = $port; |
757 |
} |
} |
768 |
sub set_timeout { |
sub set_timeout { |
769 |
my $self = shift; |
my $self = shift; |
770 |
my $sec = shift; |
my $sec = shift; |
771 |
croak "timeout must be number" unless ($sec =~ m/^\d+$/); |
croak "timeout must be number, not '$sec'" unless ($sec =~ m/^\d+$/); |
772 |
$self->{timeout} = $sec; |
$self->{timeout} = $sec; |
773 |
} |
} |
774 |
|
|
819 |
sub put_doc { |
sub put_doc { |
820 |
my $self = shift; |
my $self = shift; |
821 |
my $doc = shift || return; |
my $doc = shift || return; |
822 |
return unless ($self->{url}); |
return unless ($self->{url} && $doc->isa('Search::Estraier::Document')); |
823 |
$self->shuttle_url( $self->{url} . '/put_doc', |
$self->shuttle_url( $self->{url} . '/put_doc', |
824 |
'text/x-estraier-draft', |
'text/x-estraier-draft', |
825 |
$doc->dump_draft, |
$doc->dump_draft, |
842 |
my $self = shift; |
my $self = shift; |
843 |
my $id = shift || return; |
my $id = shift || return; |
844 |
return unless ($self->{url}); |
return unless ($self->{url}); |
845 |
croak "id must be number" unless ($id =~ m/^\d+$/); |
croak "id must be number, not '$id'" unless ($id =~ m/^\d+$/); |
846 |
$self->shuttle_url( $self->{url} . '/out_doc', |
$self->shuttle_url( $self->{url} . '/out_doc', |
847 |
'application/x-www-form-urlencoded', |
'application/x-www-form-urlencoded', |
848 |
"id=$id", |
"id=$id", |
855 |
|
|
856 |
Remove a registrated document using it's uri |
Remove a registrated document using it's uri |
857 |
|
|
858 |
$node->out_doc_by_uri( 'file:///document_url' ) or "can't remove document"; |
$node->out_doc_by_uri( 'file:///document/uri/42' ) or "can't remove document"; |
859 |
|
|
860 |
Return true on success or false on failture. |
Return true on success or false on failture. |
861 |
|
|
867 |
return unless ($self->{url}); |
return unless ($self->{url}); |
868 |
$self->shuttle_url( $self->{url} . '/out_doc', |
$self->shuttle_url( $self->{url} . '/out_doc', |
869 |
'application/x-www-form-urlencoded', |
'application/x-www-form-urlencoded', |
870 |
"uri=$uri", |
"uri=" . uri_escape($uri), |
871 |
undef |
undef |
872 |
) == 200; |
) == 200; |
873 |
} |
} |
886 |
sub edit_doc { |
sub edit_doc { |
887 |
my $self = shift; |
my $self = shift; |
888 |
my $doc = shift || return; |
my $doc = shift || return; |
889 |
return unless ($self->{url}); |
return unless ($self->{url} && $doc->isa('Search::Estraier::Document')); |
890 |
$self->shuttle_url( $self->{url} . '/edit_doc', |
$self->shuttle_url( $self->{url} . '/edit_doc', |
891 |
'text/x-estraier-draft', |
'text/x-estraier-draft', |
892 |
$doc->dump_draft, |
$doc->dump_draft, |
895 |
} |
} |
896 |
|
|
897 |
|
|
898 |
|
=head2 get_doc |
899 |
|
|
900 |
|
Retreive document |
901 |
|
|
902 |
|
my $doc = $node->get_doc( document_id ) or die "can't get document"; |
903 |
|
|
904 |
|
Return true on success or false on failture. |
905 |
|
|
906 |
|
=cut |
907 |
|
|
908 |
|
sub get_doc { |
909 |
|
my $self = shift; |
910 |
|
my $id = shift || return; |
911 |
|
return $self->_fetch_doc( id => $id ); |
912 |
|
} |
913 |
|
|
914 |
|
|
915 |
|
=head2 get_doc_by_uri |
916 |
|
|
917 |
|
Retreive document |
918 |
|
|
919 |
|
my $doc = $node->get_doc_by_uri( 'file:///document/uri/42' ) or die "can't get document"; |
920 |
|
|
921 |
|
Return true on success or false on failture. |
922 |
|
|
923 |
|
=cut |
924 |
|
|
925 |
|
sub get_doc_by_uri { |
926 |
|
my $self = shift; |
927 |
|
my $uri = shift || return; |
928 |
|
return $self->_fetch_doc( uri => $uri ); |
929 |
|
} |
930 |
|
|
931 |
|
|
932 |
|
=head2 get_doc_attr |
933 |
|
|
934 |
|
Retrieve the value of an atribute from object |
935 |
|
|
936 |
|
my $val = $node->get_doc_attr( document_id, 'attribute_name' ) or |
937 |
|
die "can't get document attribute"; |
938 |
|
|
939 |
|
=cut |
940 |
|
|
941 |
|
sub get_doc_attr { |
942 |
|
my $self = shift; |
943 |
|
my ($id,$name) = @_; |
944 |
|
return unless ($id && $name); |
945 |
|
return $self->_fetch_doc( id => $id, attr => $name ); |
946 |
|
} |
947 |
|
|
948 |
|
|
949 |
|
=head2 get_doc_attr_by_uri |
950 |
|
|
951 |
|
Retrieve the value of an atribute from object |
952 |
|
|
953 |
|
my $val = $node->get_doc_attr_by_uri( document_id, 'attribute_name' ) or |
954 |
|
die "can't get document attribute"; |
955 |
|
|
956 |
|
=cut |
957 |
|
|
958 |
|
sub get_doc_attr_by_uri { |
959 |
|
my $self = shift; |
960 |
|
my ($uri,$name) = @_; |
961 |
|
return unless ($uri && $name); |
962 |
|
return $self->_fetch_doc( uri => $uri, attr => $name ); |
963 |
|
} |
964 |
|
|
965 |
|
|
966 |
|
=head2 etch_doc |
967 |
|
|
968 |
|
Exctract document keywords |
969 |
|
|
970 |
|
my $keywords = $node->etch_doc( document_id ) or die "can't etch document"; |
971 |
|
|
972 |
|
=cut |
973 |
|
|
974 |
|
sub etch_doc { |
975 |
|
my $self = shift; |
976 |
|
my $id = shift || return; |
977 |
|
return $self->_fetch_doc( id => $id, etch => 1 ); |
978 |
|
} |
979 |
|
|
980 |
|
=head2 etch_doc_by_uri |
981 |
|
|
982 |
|
Retreive document |
983 |
|
|
984 |
|
my $keywords = $node->etch_doc_by_uri( 'file:///document/uri/42' ) or die "can't etch document"; |
985 |
|
|
986 |
|
Return true on success or false on failture. |
987 |
|
|
988 |
|
=cut |
989 |
|
|
990 |
|
sub etch_doc_by_uri { |
991 |
|
my $self = shift; |
992 |
|
my $uri = shift || return; |
993 |
|
return $self->_fetch_doc( uri => $uri, etch => 1 ); |
994 |
|
} |
995 |
|
|
996 |
|
|
997 |
|
=head2 uri_to_id |
998 |
|
|
999 |
|
Get ID of document specified by URI |
1000 |
|
|
1001 |
|
my $id = $node->uri_to_id( 'file:///document/uri/42' ); |
1002 |
|
|
1003 |
|
=cut |
1004 |
|
|
1005 |
|
sub uri_to_id { |
1006 |
|
my $self = shift; |
1007 |
|
my $uri = shift || return; |
1008 |
|
return $self->_fetch_doc( uri => $uri, path => '/uri_to_id', chomp_resbody => 1 ); |
1009 |
|
} |
1010 |
|
|
1011 |
|
|
1012 |
|
=head2 _fetch_doc |
1013 |
|
|
1014 |
|
Private function used for implementing of C<get_doc>, C<get_doc_by_uri>, |
1015 |
|
C<etch_doc>, C<etch_doc_by_uri>. |
1016 |
|
|
1017 |
|
# this will decode received draft into Search::Estraier::Document object |
1018 |
|
my $doc = $node->_fetch_doc( id => 42 ); |
1019 |
|
my $doc = $node->_fetch_doc( uri => 'file:///document/uri/42' ); |
1020 |
|
|
1021 |
|
# to extract keywords, add etch |
1022 |
|
my $doc = $node->_fetch_doc( id => 42, etch => 1 ); |
1023 |
|
my $doc = $node->_fetch_doc( uri => 'file:///document/uri/42', etch => 1 ); |
1024 |
|
|
1025 |
|
# to get document attrubute add attr |
1026 |
|
my $doc = $node->_fetch_doc( id => 42, attr => '@mdate' ); |
1027 |
|
my $doc = $node->_fetch_doc( uri => 'file:///document/uri/42', attr => '@mdate' ); |
1028 |
|
|
1029 |
|
# more general form which allows implementation of |
1030 |
|
# uri_to_id |
1031 |
|
my $id = $node->_fetch_doc( |
1032 |
|
uri => 'file:///document/uri/42', |
1033 |
|
path => '/uri_to_id', |
1034 |
|
chomp_resbody => 1 |
1035 |
|
); |
1036 |
|
|
1037 |
|
=cut |
1038 |
|
|
1039 |
|
sub _fetch_doc { |
1040 |
|
my $self = shift; |
1041 |
|
my $a = {@_}; |
1042 |
|
return unless ( ($a->{id} || $a->{uri}) && $self->{url} ); |
1043 |
|
|
1044 |
|
my ($arg, $resbody); |
1045 |
|
|
1046 |
|
my $path = $a->{path} || '/get_doc'; |
1047 |
|
$path = '/etch_doc' if ($a->{etch}); |
1048 |
|
|
1049 |
|
if ($a->{id}) { |
1050 |
|
croak "id must be numberm not '$a->{id}'" unless ($a->{id} =~ m/^\d+$/); |
1051 |
|
$arg = 'id=' . $a->{id}; |
1052 |
|
} elsif ($a->{uri}) { |
1053 |
|
$arg = 'uri=' . uri_escape($a->{uri}); |
1054 |
|
} else { |
1055 |
|
confess "unhandled argument. Need id or uri."; |
1056 |
|
} |
1057 |
|
|
1058 |
|
if ($a->{attr}) { |
1059 |
|
$path = '/get_doc_attr'; |
1060 |
|
$arg .= '&attr=' . uri_escape($a->{attr}); |
1061 |
|
$a->{chomp_resbody} = 1; |
1062 |
|
} |
1063 |
|
|
1064 |
|
my $rv = $self->shuttle_url( $self->{url} . $path, |
1065 |
|
'application/x-www-form-urlencoded', |
1066 |
|
$arg, |
1067 |
|
\$resbody, |
1068 |
|
); |
1069 |
|
|
1070 |
|
return if ($rv != 200); |
1071 |
|
|
1072 |
|
if ($a->{etch}) { |
1073 |
|
$self->{kwords} = {}; |
1074 |
|
return +{} unless ($resbody); |
1075 |
|
foreach my $l (split(/\n/, $resbody)) { |
1076 |
|
my ($k,$v) = split(/\t/, $l, 2); |
1077 |
|
$self->{kwords}->{$k} = $v if ($v); |
1078 |
|
} |
1079 |
|
return $self->{kwords}; |
1080 |
|
} elsif ($a->{chomp_resbody}) { |
1081 |
|
return unless (defined($resbody)); |
1082 |
|
chomp($resbody); |
1083 |
|
return $resbody; |
1084 |
|
} else { |
1085 |
|
return new Search::Estraier::Document($resbody); |
1086 |
|
} |
1087 |
|
} |
1088 |
|
|
1089 |
|
|
1090 |
|
=head2 name |
1091 |
|
|
1092 |
|
my $node_name = $node->name; |
1093 |
|
|
1094 |
|
=cut |
1095 |
|
|
1096 |
|
sub name { |
1097 |
|
my $self = shift; |
1098 |
|
$self->set_info unless ($self->{name}); |
1099 |
|
return $self->{name}; |
1100 |
|
} |
1101 |
|
|
1102 |
|
|
1103 |
|
=head2 label |
1104 |
|
|
1105 |
|
my $node_label = $node->label; |
1106 |
|
|
1107 |
|
=cut |
1108 |
|
|
1109 |
|
sub label { |
1110 |
|
my $self = shift; |
1111 |
|
$self->set_info unless ($self->{label}); |
1112 |
|
return $self->{label}; |
1113 |
|
} |
1114 |
|
|
1115 |
|
|
1116 |
|
=head2 doc_num |
1117 |
|
|
1118 |
|
my $documents_in_node = $node->doc_num; |
1119 |
|
|
1120 |
|
=cut |
1121 |
|
|
1122 |
|
sub doc_num { |
1123 |
|
my $self = shift; |
1124 |
|
$self->set_info if ($self->{dnum} < 0); |
1125 |
|
return $self->{dnum}; |
1126 |
|
} |
1127 |
|
|
1128 |
|
|
1129 |
|
=head2 word_num |
1130 |
|
|
1131 |
|
my $words_in_node = $node->word_num; |
1132 |
|
|
1133 |
|
=cut |
1134 |
|
|
1135 |
|
sub word_num { |
1136 |
|
my $self = shift; |
1137 |
|
$self->set_info if ($self->{wnum} < 0); |
1138 |
|
return $self->{wnum}; |
1139 |
|
} |
1140 |
|
|
1141 |
|
|
1142 |
|
=head2 size |
1143 |
|
|
1144 |
|
my $node_size = $node->size; |
1145 |
|
|
1146 |
|
=cut |
1147 |
|
|
1148 |
|
sub size { |
1149 |
|
my $self = shift; |
1150 |
|
$self->set_info if ($self->{size} < 0); |
1151 |
|
return $self->{size}; |
1152 |
|
} |
1153 |
|
|
1154 |
|
|
1155 |
|
=head2 search |
1156 |
|
|
1157 |
|
Search documents which match condition |
1158 |
|
|
1159 |
|
my $nres = $node->search( $cond, $depth ); |
1160 |
|
|
1161 |
|
C<$cond> is C<Search::Estraier::Condition> object, while <$depth> specifies |
1162 |
|
depth for meta search. |
1163 |
|
|
1164 |
|
Function results C<Search::Estraier::NodeResult> object. |
1165 |
|
|
1166 |
|
=cut |
1167 |
|
|
1168 |
|
sub search { |
1169 |
|
my $self = shift; |
1170 |
|
my ($cond, $depth) = @_; |
1171 |
|
return unless ($cond && defined($depth) && $self->{url}); |
1172 |
|
croak "cond mush be Search::Estraier::Condition, not '$cond->isa'" unless ($cond->isa('Search::Estraier::Condition')); |
1173 |
|
croak "depth needs number, not '$depth'" unless ($depth =~ m/^\d+$/); |
1174 |
|
|
1175 |
|
my $resbody; |
1176 |
|
|
1177 |
|
my $rv = $self->shuttle_url( $self->{url} . '/search', |
1178 |
|
'text/x-estraier-draft', |
1179 |
|
$self->cond_to_query( $cond ), |
1180 |
|
\$resbody, |
1181 |
|
); |
1182 |
|
return if ($rv != 200); |
1183 |
|
|
1184 |
|
my (@docs, $hints); |
1185 |
|
|
1186 |
|
my @lines = split(/\n/, $resbody); |
1187 |
|
return unless (@lines); |
1188 |
|
|
1189 |
|
my $border = $lines[0]; |
1190 |
|
my $isend = 0; |
1191 |
|
my $lnum = 1; |
1192 |
|
|
1193 |
|
while ( $lnum <= $#lines ) { |
1194 |
|
my $line = $lines[$lnum]; |
1195 |
|
$lnum++; |
1196 |
|
|
1197 |
|
#warn "## $line\n"; |
1198 |
|
if ($line && $line =~ m/^\Q$border\E(:END)*$/) { |
1199 |
|
$isend = $1; |
1200 |
|
last; |
1201 |
|
} |
1202 |
|
|
1203 |
|
if ($line =~ /\t/) { |
1204 |
|
my ($k,$v) = split(/\t/, $line, 2); |
1205 |
|
$hints->{$k} = $v; |
1206 |
|
} |
1207 |
|
} |
1208 |
|
|
1209 |
|
my $snum = $lnum; |
1210 |
|
|
1211 |
|
while( ! $isend && $lnum <= $#lines ) { |
1212 |
|
my $line = $lines[$lnum]; |
1213 |
|
$lnum++; |
1214 |
|
|
1215 |
|
if ($line && $line =~ m/^\Q$border\E/) { |
1216 |
|
if ($lnum > $snum) { |
1217 |
|
my $rdattrs; |
1218 |
|
my $rdvector; |
1219 |
|
my $rdsnippet; |
1220 |
|
|
1221 |
|
my $rlnum = $snum; |
1222 |
|
while ($rlnum < $lnum - 1 ) { |
1223 |
|
#my $rdline = $self->_s($lines[$rlnum]); |
1224 |
|
my $rdline = $lines[$rlnum]; |
1225 |
|
$rlnum++; |
1226 |
|
last unless ($rdline); |
1227 |
|
if ($rdline =~ /^%/) { |
1228 |
|
$rdvector = $1 if ($rdline =~ /^%VECTOR\t(.+)$/); |
1229 |
|
} else { |
1230 |
|
$rdattrs->{$1} = {$2} if ($line =~ /^(.+)=(.+)$/); |
1231 |
|
} |
1232 |
|
} |
1233 |
|
while($rlnum < $lnum - 1) { |
1234 |
|
my $rdline = $lines[$rlnum]; |
1235 |
|
$rlnum++; |
1236 |
|
$rdsnippet .= "$rdline\n"; |
1237 |
|
} |
1238 |
|
if (my $rduri = $rdattrs->{'@uri'}) { |
1239 |
|
push @docs, new Search::Estraier::ResultDocument( |
1240 |
|
uri => $rduri, |
1241 |
|
attrs => $rdattrs, |
1242 |
|
snippet => $rdsnippet, |
1243 |
|
keywords => $rdvector, |
1244 |
|
); |
1245 |
|
} |
1246 |
|
} |
1247 |
|
$snum = $lnum; |
1248 |
|
#warn "### $line\n"; |
1249 |
|
$isend = 1 if ($line =~ /:END$/); |
1250 |
|
} |
1251 |
|
|
1252 |
|
if (! $isend) { |
1253 |
|
warn "received result doesn't have :END\n$resbody"; |
1254 |
|
return; |
1255 |
|
} |
1256 |
|
} |
1257 |
|
|
1258 |
|
if (! $isend) { |
1259 |
|
warn "received result doesn't have :END\n$resbody"; |
1260 |
|
return; |
1261 |
|
} |
1262 |
|
|
1263 |
|
|
1264 |
|
return new Search::Estraier::NodeResult( docs => \@docs, hints => $hints ); |
1265 |
|
} |
1266 |
|
|
1267 |
|
|
1268 |
|
=head2 cond_to_query |
1269 |
|
|
1270 |
|
my $args = $node->cond_to_query( $cond ); |
1271 |
|
|
1272 |
|
=cut |
1273 |
|
|
1274 |
|
sub cond_to_query { |
1275 |
|
my $self = shift; |
1276 |
|
|
1277 |
|
my $cond = shift || return; |
1278 |
|
croak "condition must be Search::Estraier::Condition, not '$cond->isa'" unless ($cond->isa('Search::Estraier::Condition')); |
1279 |
|
|
1280 |
|
my @args; |
1281 |
|
|
1282 |
|
if (my $phrase = $cond->phrase) { |
1283 |
|
push @args, 'phrase=' . uri_escape($phrase); |
1284 |
|
} |
1285 |
|
|
1286 |
|
if (my @attrs = $cond->attrs) { |
1287 |
|
for my $i ( 0 .. $#attrs ) { |
1288 |
|
push @args,'attr' . ($i+1) . '=' . uri_escape( $attrs[$i] ); |
1289 |
|
} |
1290 |
|
} |
1291 |
|
|
1292 |
|
if (my $order = $cond->order) { |
1293 |
|
push @args, 'order=' . uri_escape($order); |
1294 |
|
} |
1295 |
|
|
1296 |
|
if (my $max = $cond->max) { |
1297 |
|
push @args, 'max=' . $max; |
1298 |
|
} else { |
1299 |
|
push @args, 'max=' . (1 << 30); |
1300 |
|
} |
1301 |
|
|
1302 |
|
if (my $options = $cond->options) { |
1303 |
|
push @args, 'options=' . $options; |
1304 |
|
} |
1305 |
|
|
1306 |
|
push @args, 'depth=' . $self->{depth} if ($self->{depth}); |
1307 |
|
push @args, 'wwidth=' . $self->{wwidth}; |
1308 |
|
push @args, 'hwidth=' . $self->{hwidth}; |
1309 |
|
push @args, 'awidth=' . $self->{awidth}; |
1310 |
|
|
1311 |
|
return join('&', @args); |
1312 |
|
} |
1313 |
|
|
1314 |
|
|
1315 |
=head2 shuttle_url |
=head2 shuttle_url |
1316 |
|
|
1317 |
This is method which uses C<IO::Socket::INET> to communicate with Hyper Estraier node |
This is method which uses C<IO::Socket::INET> to communicate with Hyper Estraier node |
1318 |
master. |
master. |
1319 |
|
|
1320 |
my $rv = shuttle_url( $url, $content_type, \$req_body, \$resbody ); |
my $rv = shuttle_url( $url, $content_type, $req_body, \$resbody ); |
1321 |
|
|
1322 |
C<$resheads> and C<$resbody> booleans controll if response headers and/or response |
C<$resheads> and C<$resbody> booleans controll if response headers and/or response |
1323 |
body will be saved within object. |
body will be saved within object. |
1423 |
return $self->{status}; |
return $self->{status}; |
1424 |
} |
} |
1425 |
|
|
1426 |
|
|
1427 |
|
=head2 set_info |
1428 |
|
|
1429 |
|
Set information for node |
1430 |
|
|
1431 |
|
$node->set_info; |
1432 |
|
|
1433 |
|
=cut |
1434 |
|
|
1435 |
|
sub set_info { |
1436 |
|
my $self = shift; |
1437 |
|
|
1438 |
|
$self->{status} = -1; |
1439 |
|
return unless ($self->{url}); |
1440 |
|
|
1441 |
|
my $resbody; |
1442 |
|
my $rv = $self->shuttle_url( $self->{url} . '/inform', |
1443 |
|
'text/plain', |
1444 |
|
undef, |
1445 |
|
\$resbody, |
1446 |
|
); |
1447 |
|
|
1448 |
|
return if ($rv != 200 || !$resbody); |
1449 |
|
|
1450 |
|
chomp($resbody); |
1451 |
|
|
1452 |
|
( $self->{name}, $self->{label}, $self->{dnum}, $self->{wnum}, $self->{size} ) = |
1453 |
|
split(/\t/, $resbody, 5); |
1454 |
|
|
1455 |
|
} |
1456 |
|
|
1457 |
### |
### |
1458 |
|
|
1459 |
=head1 EXPORT |
=head1 EXPORT |