| 1 | ###########################################################################
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| 2 | #
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| 3 | # AZCompactList.pm --
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| 4 | # A component of the Greenstone digital library software
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| 5 | # from the New Zealand Digital Library Project at the
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| 6 | # University of Waikato, New Zealand.
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| 7 | #
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| 8 | # Copyright (C) 1999 New Zealand Digital Library Project
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| 9 | #
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| 10 | # This program is free software; you can redistribute it and/or modify
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| 11 | # it under the terms of the GNU General Public License as published by
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| 12 | # the Free Software Foundation; either version 2 of the License, or
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| 13 | # (at your option) any later version.
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| 14 | #
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| 15 | # This program is distributed in the hope that it will be useful,
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| 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 18 | # GNU General Public License for more details.
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| 19 | #
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| 20 | # You should have received a copy of the GNU General Public License
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| 21 | # along with this program; if not, write to the Free Software
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| 22 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 23 | #
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| 24 | ###########################################################################
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| 25 | # classifier plugin for sorting alphabetically
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| 26 |
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| 27 | package AZCompactList;
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| 28 |
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| 29 | use strict;
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| 30 | no strict 'refs'; # allow filehandles to be variables and viceversa
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| 31 |
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| 32 | use BaseClassifier;
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| 33 | use sorttools;
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| 34 | use FileUtils;
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| 35 |
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| 36 | use Unicode::Normalize;
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| 37 |
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| 38 | sub BEGIN {
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| 39 | @AZCompactList::ISA = ('BaseClassifier');
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| 40 | }
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| 41 |
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| 42 | our $doclevel_list =
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| 43 | [ { 'name' => "top",
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| 44 | 'desc' => "{AZCompactList.doclevel.top}" },
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| 45 | { 'name' => "firstlevel",
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| 46 | 'desc' => "{AZCompactList.doclevel.firstlevel}" },
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| 47 | { 'name' => "section",
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| 48 | 'desc' => "{AZCompactList.doclevel.section}" } ];
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| 49 |
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| 50 | my $arguments =
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| 51 | [ { 'name' => "metadata",
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| 52 | 'desc' => "{AZCompactList.metadata}",
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| 53 | 'type' => "metadata",
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| 54 | 'reqd' => "yes" },
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| 55 | { 'name' => "firstvalueonly",
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| 56 | 'desc' => "{AZCompactList.firstvalueonly}",
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| 57 | 'type' => "flag",
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| 58 | 'reqd' => "no" },
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| 59 | { 'name' => "allvalues",
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| 60 | 'desc' => "{AZCompactList.allvalues}",
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| 61 | 'type' => "flag",
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| 62 | 'reqd' => "no" },
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| 63 | { 'name' => "sort",
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| 64 | 'desc' => "{AZCompactList.sort}",
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| 65 | 'type' => "metadata",
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| 66 | # 'deft' => "Title",
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| 67 | 'deft' => "nosort",
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| 68 | 'reqd' => "no" },
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| 69 | { 'name' => "removeprefix",
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| 70 | 'desc' => "{BasClas.removeprefix}",
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| 71 | 'type' => "regexp",
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| 72 | 'deft' => "",
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| 73 | 'reqd' => "no" },
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| 74 | { 'name' => "removesuffix",
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| 75 | 'desc' => "{BasClas.removesuffix}",
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| 76 | 'type' => "regexp",
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| 77 | 'deft' => "",
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| 78 | 'reqd' => "no" },
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| 79 | { 'name' => "mingroup",
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| 80 | 'desc' => "{AZCompactList.mingroup}",
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| 81 | 'type' => "int",
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| 82 | 'deft' => "1",
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| 83 | 'range' => "1,",
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| 84 | 'reqd' => "no" },
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| 85 | { 'name' => "minnesting",
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| 86 | 'desc' => "{AZCompactList.minnesting}",
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| 87 | 'type' => "int",
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| 88 | 'deft' => "20",
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| 89 | 'range' => "2,",
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| 90 | 'reqd' => "no" },
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| 91 | { 'name' => "mincompact",
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| 92 | 'desc' => "{AZCompactList.mincompact}",
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| 93 | 'type' => "int",
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| 94 | 'deft' => "10",
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| 95 | 'range' => "1,",
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| 96 | 'reqd' => "no" },
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| 97 | { 'name' => "maxcompact",
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| 98 | 'desc' => "{AZCompactList.maxcompact}",
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| 99 | 'type' => "int",
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| 100 | 'deft' => "30",
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| 101 | 'range' => "1,",
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| 102 | 'reqd' => "no" },
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| 103 | { 'name' => "doclevel",
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| 104 | 'desc' => "{AZCompactList.doclevel}",
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| 105 | 'type' => "enum",
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| 106 | 'list' => $doclevel_list,
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| 107 | 'deft' => "top",
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| 108 | 'reqd' => "no" },
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| 109 | { 'name' => "freqsort",
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| 110 | 'desc' => "{AZCompactList.freqsort}",
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| 111 | 'type' => "flag"},
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| 112 | { 'name' => "recopt",
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| 113 | 'desc' => "{AZCompactList.recopt}",
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| 114 | 'type' => "flag",
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| 115 | 'reqd' => "no" } ];
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| 116 |
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| 117 | my $options =
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| 118 | { 'name' => "AZCompactList",
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| 119 | 'desc' => "{AZCompactList.desc}",
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| 120 | 'abstract' => "no",
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| 121 | 'inherits' => "yes",
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| 122 | 'args' => $arguments };
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| 123 |
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| 124 |
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| 125 | sub new {
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| 126 | my ($class) = shift (@_);
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| 127 | my ($pluginlist,$inputargs,$hashArgOptLists) = @_;
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| 128 | push(@$pluginlist, $class);
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| 129 |
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| 130 | push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
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| 131 | push(@{$hashArgOptLists->{"OptList"}},$options);
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| 132 |
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| 133 | my $self = new BaseClassifier($pluginlist, $inputargs, $hashArgOptLists);
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| 134 |
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| 135 | if ($self->{'info_only'}) {
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| 136 | # don't worry about any options etc
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| 137 | return bless $self, $class;
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| 138 | }
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| 139 |
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| 140 | if (!$self->{"metadata"}) {
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| 141 | my $outhandle = $self->{'outhandle'};
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| 142 | print $outhandle "AZCompactList Error: required option -metadata not supplied\n";
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| 143 | $self->print_txt_usage("");
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| 144 | die "AZCompactList Error: required option -metadata not supplied\n";
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| 145 | }
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| 146 |
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| 147 | $self->{'metadata'} = $self->strip_ex_from_metadata($self->{'metadata'});
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| 148 | # Manually set $self parameters.
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| 149 | $self->{'list'} = {};
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| 150 | $self->{'listmetavalue'} = {};
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| 151 | $self->{'list_mvpair'} = {};
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| 152 | $self->{'reclassify'} = {};
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| 153 | $self->{'reclassifylist'} = {};
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| 154 |
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| 155 | $self->{'buttonname'} = $self->generate_title_from_metadata($self->{'metadata'}) unless ($self->{'buttonname'});
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| 156 |
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| 157 | if (defined($self->{"removeprefix"}) && $self->{"removeprefix"}) {
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| 158 | $self->{"removeprefix"} =~ s/^\^//; # don't need a leading ^
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| 159 | }
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| 160 | if (defined($self->{"removesuffix"}) && $self->{"removesuffix"}) {
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| 161 | $self->{"removesuffix"} =~ s/\$$//; # don't need a trailing $
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| 162 | }
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| 163 |
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| 164 | $self->{'recopt'} = ($self->{'recopt'} == 0) ? undef : "on";
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| 165 |
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| 166 | if (defined $self->{'sort'}) {
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| 167 | $self->{'sort'} = $self->strip_ex_from_metadata($self->{'sort'});
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| 168 | }
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| 169 | # Clean out the unused keys
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| 170 | if($self->{"removeprefix"} eq "") {delete $self->{"removeprefix"};}
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| 171 | if($self->{"removesuffix"} eq "") {delete $self->{"removesuffix"};}
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| 172 |
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| 173 | return bless $self, $class;
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| 174 | }
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| 175 |
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| 176 | sub init
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| 177 | {
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| 178 | my $self = shift (@_);
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| 179 |
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| 180 | $self->{'list'} = {};
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| 181 | $self->{'listmetavalue'} = {};
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| 182 | $self->{'list_mvpair'} = {};
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| 183 | $self->{'reclassify'} = {};
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| 184 | $self->{'reclassifylist'} = {};
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| 185 | }
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| 186 |
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| 187 | my $tmp = 0;
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| 188 |
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| 189 | sub classify
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| 190 | {
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| 191 | my $self = shift (@_);
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| 192 | my ($doc_obj) = @_;
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| 193 |
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| 194 | my $doc_OID = $doc_obj->get_OID();
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| 195 | my $outhandle = $self->{'outhandle'};
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| 196 |
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| 197 | my @sectionlist = ();
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| 198 | my $topsection = $doc_obj->get_top_section();
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| 199 | my $metaname = $self->{'metadata'};
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| 200 |
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| 201 | $metaname =~ s/(\/|\|).*//; # grab first name in n1/n2/n3 or n1|n2|n3 list
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| 202 | my @commameta_list = split(/,|;/, $metaname);
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| 203 |
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| 204 | if ($self->{'doclevel'} =~ /^top(level)?/i)
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| 205 | {
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| 206 | push(@sectionlist,$topsection);
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| 207 | }
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| 208 | elsif ($self->{'doclevel'} =~ /^first(level)?/i)
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| 209 | {
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| 210 | my $toplevel_children = $doc_obj->get_children($topsection);
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| 211 | push(@sectionlist,@$toplevel_children);
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| 212 | }
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| 213 | else # (all)?section(s)?
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| 214 | {
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| 215 | my $thissection = $doc_obj->get_next_section($topsection);
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| 216 | while (defined $thissection)
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| 217 | {
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| 218 | push(@sectionlist,$thissection);
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| 219 | $thissection = $doc_obj->get_next_section ($thissection);
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| 220 | }
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| 221 | }
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| 222 |
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| 223 | my $thissection;
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| 224 | foreach $thissection (@sectionlist)
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| 225 | {
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| 226 | my $full_doc_OID
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| 227 | = ($thissection ne "") ? "$doc_OID.$thissection" : $doc_OID;
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| 228 |
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| 229 | if (defined $self->{'list_mvpair'}->{$full_doc_OID})
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| 230 | {
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| 231 | print $outhandle "WARNING: AZCompactList::classify called multiple times for $full_doc_OID\n";
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| 232 | }
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| 233 | $self->{'list'}->{$full_doc_OID} = [];
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| 234 | $self->{'listmetavalue'}->{$full_doc_OID} = [];
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| 235 | $self->{'list_mvpair'}->{$full_doc_OID} = [];
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| 236 |
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| 237 | my $metavalues = [];
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| 238 | foreach my $cmn (@commameta_list) {
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| 239 | my $cmvalues = $doc_obj->get_metadata($thissection,$cmn);
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| 240 | push(@$metavalues,@$cmvalues) if (@{$cmvalues});
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| 241 | last if (@{$cmvalues} && !$self->{'allvalues'});
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| 242 | }
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| 243 |
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| 244 | my $metavalue;
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| 245 | foreach $metavalue (@$metavalues)
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| 246 | {
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| 247 | # Tidy up use of white space in metavalue for classifying
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| 248 | $metavalue =~ s/^\s*//s;
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| 249 | $metavalue =~ s/\s*$//s;
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| 250 | $metavalue =~ s/\n/ /s;
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| 251 | $metavalue =~ s/\s{2,}/ /s;
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| 252 |
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| 253 | # if this document doesn't contain the metadata element we're
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| 254 | # sorting by we won't include it in this classification
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| 255 | if (defined $metavalue && $metavalue =~ /\w/)
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| 256 | {
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| 257 | if (defined($self->{'removeprefix'}) &&
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| 258 | length($self->{'removeprefix'})) {
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| 259 | $metavalue =~ s/^$self->{'removeprefix'}//;
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| 260 |
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| 261 | # check that it's not now empty
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| 262 | if (!$metavalue) {next;}
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| 263 | }
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| 264 |
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| 265 | if (defined($self->{'removesuffix'}) &&
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| 266 | length($self->{'removesuffix'})) {
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| 267 | $metavalue =~ s/$self->{'removesuffix'}$//;
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| 268 |
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| 269 | # check that it's not now empty
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| 270 | if (!$metavalue) {next;}
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| 271 | }
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| 272 |
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| 273 | my $formatted_metavalue;
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| 274 | if ($self->{'no_metadata_formatting'}) {
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| 275 | $formatted_metavalue = $metavalue;
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| 276 | } else {
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| 277 | $formatted_metavalue = &sorttools::format_metadata_for_sorting($self->{'metadata'}, $metavalue, $doc_obj, $self->{'casefold_metadata_for_sorting'}, $self->{'accentfold_metadata_for_sorting'});
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| 278 | }
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| 279 |
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| 280 | #### prefix-str
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| 281 | if (! defined($formatted_metavalue)) {
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| 282 | print $outhandle "Warning: AZCompactList: metavalue is ";
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| 283 | print $outhandle "empty\n";
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| 284 | $formatted_metavalue="";
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| 285 | }
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| 286 |
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| 287 | my $mv_pair = { 'mv' => $metavalue, 'fmv' => $formatted_metavalue };
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| 288 | push(@{$self->{'list'}->{$full_doc_OID}},$formatted_metavalue);
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| 289 | push(@{$self->{'listmetavalue'}->{$full_doc_OID}} ,$metavalue);
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| 290 | push(@{$self->{'list_mvpair'}->{$full_doc_OID}},$mv_pair);
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| 291 |
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| 292 |
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| 293 | last if ($self->{'firstvalueonly'});
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| 294 | }
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| 295 | }
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| 296 |
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| 297 | # This is used in reclassify below for AZCompactSectionList
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| 298 | my $sortmeta = $doc_obj->get_metadata_element($thissection, $self->{'sort'});
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| 299 | $self->{'reclassify'}->{$full_doc_OID} = [$doc_obj,$sortmeta];
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| 300 | }
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| 301 | }
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| 302 |
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| 303 | sub reinit
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| 304 | {
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| 305 | my ($self,$classlist_ref) = @_;
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| 306 | my $outhandle = $self->{'outhandle'};
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| 307 |
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| 308 | my %mtfreq = ();
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| 309 | my @single_classlist = ();
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| 310 | my @multiple_classlist = ();
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| 311 |
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| 312 | # find out how often each metavalue occurs
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| 313 | map
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| 314 | {
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| 315 | foreach my $mvp (@{$self->{'list_mvpair'}->{$_}} )
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| 316 | {
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| 317 | ### print STDERR "*** plain mv = $mvp->{'mv'}\n";
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| 318 | ### print STDERR "*** format mv = $mvp->{'fmv'}\n";
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| 319 |
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| 320 | my $metavalue = $mvp->{'mv'};
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| 321 | $metavalue =~ s!^-!\\-!; # in case it starts with "-"
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| 322 | $mtfreq{$metavalue}++;
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| 323 | }
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| 324 | } @$classlist_ref;
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| 325 |
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| 326 | # use this information to split the list: single metavalue/repeated value
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| 327 | map
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| 328 | {
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| 329 | my $i = 1;
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| 330 | my $metavalue;
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| 331 | foreach my $mvp (@{$self->{'list_mvpair'}->{$_}})
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| 332 | {
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| 333 | my $metavalue = $mvp->{'mv'};
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| 334 | $metavalue =~ s!^-!\\-!; # in case it starts with "-"
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| 335 | my $cs_metavalue = $mvp->{'mv'}; # case sensitive
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| 336 | if ($mtfreq{$metavalue} >= $self->{'mingroup'})
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| 337 | {
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| 338 | ### print STDERR "*** pushing on $cs_metavalue\n";
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| 339 | push(@multiple_classlist,[$_,$i,$metavalue]);
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| 340 | }
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| 341 | else
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| 342 | {
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| 343 | push(@single_classlist,[$_,$cs_metavalue]);
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| 344 | $metavalue =~ tr/[A-Z]/[a-z]/;
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| 345 | $self->{'reclassifylist'}->{"Metavalue_$i.$_"} = $metavalue;
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| 346 | }
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| 347 | $i++;
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| 348 | }
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| 349 | } @$classlist_ref;
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| 350 |
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| 351 |
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| 352 | # Setup sub-classifiers for multiple list
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| 353 |
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| 354 | $self->{'classifiers'} = {};
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| 355 |
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| 356 | my $pm;
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| 357 | foreach $pm ("SimpleList", "SectionList")
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| 358 | {
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| 359 | my $listname
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| 360 | = &FileUtils::filenameConcatenate($ENV{'GSDLHOME'},"perllib/classify/$pm.pm");
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| 361 | if (-e $listname) { require $listname; }
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| 362 | else
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| 363 | {
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| 364 | print $outhandle "AZCompactList ERROR - couldn't find classifier \"$listname\"\n";
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| 365 | die "\n";
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| 366 | }
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| 367 | }
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| 368 |
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| 369 | # Create classifiers objects for each entry >= mingroup
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| 370 | my $metavalue;
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| 371 | my $doclevel = $self->{'doclevel'};
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| 372 | my $mingroup = $self->{'mingroup'};
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| 373 | my @metaname_list = split(/\/|\|/,$self->{'metadata'});
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| 374 | my $metaname = shift(@metaname_list);
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| 375 | my $hierarchical = 0;
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| 376 | if (scalar(@metaname_list) > 1) {
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| 377 | $hierarchical = 1;
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| 378 | $metaname = join('/',@metaname_list);
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| 379 | }
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| 380 | foreach $metavalue (sort keys %mtfreq)
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| 381 | {
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| 382 | if ($mtfreq{$metavalue} >= $mingroup)
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| 383 | {
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| 384 | # occurs more often than minimum required to compact into a group
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| 385 | my $listclassobj;
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| 386 |
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| 387 | if (!$hierarchical)
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| 388 | {
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| 389 | my @args;
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| 390 | push @args, ("-metadata", "$metaname");
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| 391 | # buttonname is also used for the node's title
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| 392 | push @args, ("-buttonname", "$metavalue");
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| 393 | push @args, ("-sort", $self->{'sort'});
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|---|
| 394 |
|
|---|
| 395 | my $ptArgs = \@args;
|
|---|
| 396 | if ($doclevel =~ m/^top(level)?/i)
|
|---|
| 397 | {
|
|---|
| 398 | eval ("\$listclassobj = new SimpleList([],\$ptArgs)");
|
|---|
| 399 | }
|
|---|
| 400 | else
|
|---|
| 401 | {
|
|---|
| 402 | # first(level)? or (all)?section(s)?
|
|---|
| 403 | eval ("\$listclassobj = new SectionList([],\$ptArgs)");
|
|---|
| 404 | }
|
|---|
| 405 | }
|
|---|
| 406 | else
|
|---|
| 407 | {
|
|---|
| 408 |
|
|---|
| 409 | my @args;
|
|---|
| 410 | push @args, ("-metadata", "$metaname");
|
|---|
| 411 | # buttonname is also used for the node's title
|
|---|
| 412 | push @args, ("-buttonname", "$metavalue");
|
|---|
| 413 | push @args, ("-sort", $self->{'sort'});
|
|---|
| 414 |
|
|---|
| 415 | if (defined $self->{'removeprefix'}) {
|
|---|
| 416 | push @args, ("-removeprefix", $self->{'removeprefix'});
|
|---|
| 417 | }
|
|---|
| 418 | if (defined $self->{'removesuffix'}) {
|
|---|
| 419 | push @args, ("-removesuffix", $self->{'removesuffix'});
|
|---|
| 420 | }
|
|---|
| 421 |
|
|---|
| 422 | push @args, ("-doclevel", "$doclevel");
|
|---|
| 423 | push @args, ("-mingroup", $mingroup);
|
|---|
| 424 | push @args, "-recopt ";
|
|---|
| 425 |
|
|---|
| 426 | my $ptArgs = \@args;
|
|---|
| 427 | eval ("\$listclassobj = new AZCompactList([],\$ptArgs)");
|
|---|
| 428 | }
|
|---|
| 429 |
|
|---|
| 430 | if ($@) {
|
|---|
| 431 | print $outhandle "$@";
|
|---|
| 432 | die "\n";
|
|---|
| 433 | }
|
|---|
| 434 |
|
|---|
| 435 | $listclassobj->init();
|
|---|
| 436 |
|
|---|
| 437 | if (defined $metavalue && $metavalue =~ /\w/)
|
|---|
| 438 | {
|
|---|
| 439 | my $formatted_node = $metavalue;
|
|---|
| 440 |
|
|---|
| 441 | if (defined($self->{'removeprefix'}) &&
|
|---|
| 442 | length($self->{'removeprefix'})) {
|
|---|
| 443 | $formatted_node =~ s/^$self->{'removeprefix'}//;
|
|---|
| 444 | # check that it's not now empty
|
|---|
| 445 | if (!$formatted_node) {next;}
|
|---|
| 446 | }
|
|---|
| 447 | if (defined($self->{'removesuffix'}) &&
|
|---|
| 448 | length($self->{'removesuffix'})) {
|
|---|
| 449 | $formatted_node =~ s/$self->{'removesuffix'}$//;
|
|---|
| 450 | # check that it's not now empty
|
|---|
| 451 | if (!$formatted_node) {next;}
|
|---|
| 452 | }
|
|---|
| 453 |
|
|---|
| 454 | $formatted_node = &sorttools::format_metadata_for_sorting($self->{'metadata'}, $formatted_node, undef, $self->{'casefold_metadata_for_sorting'}, $self->{'accentfold_metadata_for_sorting'}) unless $self->{'no_metadata_formatting'};
|
|---|
| 455 |
|
|---|
| 456 | # In case our formatted string is empty...
|
|---|
| 457 | if (! defined($formatted_node)) {
|
|---|
| 458 | print $outhandle "Warning: AZCompactList: metavalue is ";
|
|---|
| 459 | print $outhandle "empty\n";
|
|---|
| 460 | $formatted_node="";
|
|---|
| 461 | }
|
|---|
| 462 |
|
|---|
| 463 | # use the lower case, for speed of lookup.
|
|---|
| 464 | my $meta_lc=lc($metavalue);
|
|---|
| 465 | $self->{'classifiers'}->{$meta_lc}
|
|---|
| 466 | = { 'classifyobj' => $listclassobj,
|
|---|
| 467 | 'formattednode' => $formatted_node };
|
|---|
| 468 | }
|
|---|
| 469 | }
|
|---|
| 470 | }
|
|---|
| 471 |
|
|---|
| 472 |
|
|---|
| 473 | return (\@single_classlist,\@multiple_classlist);
|
|---|
| 474 | }
|
|---|
| 475 |
|
|---|
| 476 |
|
|---|
| 477 | sub reclassify
|
|---|
| 478 | {
|
|---|
| 479 | my ($self,$multiple_cl_ref) = @_;
|
|---|
| 480 |
|
|---|
| 481 | # Entries in the current classify list that are "book nodes"
|
|---|
| 482 | # should be recursively classified.
|
|---|
| 483 | #--
|
|---|
| 484 | foreach my $dm_pair (@$multiple_cl_ref)
|
|---|
| 485 | {
|
|---|
| 486 | my ($doc_OID,$mdoffset,$metavalue,$cs_metavalue) = @$dm_pair;
|
|---|
| 487 | my $listclassobj;
|
|---|
| 488 |
|
|---|
| 489 | # find metavalue in list of sub-classifiers
|
|---|
| 490 | # check if we have a key (lower case) for this metadata value
|
|---|
| 491 | my $node_name=lc($metavalue);
|
|---|
| 492 | if (exists $self->{'classifiers'}->{$node_name})
|
|---|
| 493 | {
|
|---|
| 494 | my ($doc_obj, $sortmeta) = @{$self->{'reclassify'}->{$doc_OID}};
|
|---|
| 495 |
|
|---|
| 496 | # record the metadata value offset temporarily, so eg AZList can
|
|---|
| 497 | # get the correct metadata value (for multi-valued metadata fields)
|
|---|
| 498 | $doc_obj->{'mdoffset'}=$mdoffset;
|
|---|
| 499 |
|
|---|
| 500 | if ($doc_OID =~ m/^[^\.]*\.([\d\.]+)$/)
|
|---|
| 501 | {
|
|---|
| 502 | my $section=$1;
|
|---|
| 503 | if ($self->{'doclevel'} =~ m/^top(level)?/i) { # toplevel
|
|---|
| 504 | $self->{'classifiers'}->{$node_name}->{'classifyobj'}
|
|---|
| 505 | ->classify($doc_obj,"Section=$section");
|
|---|
| 506 | } else {
|
|---|
| 507 | # first(level)? or (all)?section(s)?
|
|---|
| 508 |
|
|---|
| 509 | # classify() can't handle multi-level section, so use
|
|---|
| 510 | # classify_section()
|
|---|
| 511 | # ... thanks to Don Gourley for this...
|
|---|
| 512 |
|
|---|
| 513 | $self->{'classifiers'}->{$node_name}->{'classifyobj'}
|
|---|
| 514 | ->classify_section($section, $doc_obj, $sortmeta);
|
|---|
| 515 | }
|
|---|
| 516 | }
|
|---|
| 517 | else
|
|---|
| 518 | {
|
|---|
| 519 | $self->{'classifiers'}->{$node_name}->{'classifyobj'}
|
|---|
| 520 | ->classify($doc_obj);
|
|---|
| 521 | }
|
|---|
| 522 | } else { # this key is not in the hash
|
|---|
| 523 | my $outhandle=$self->{outhandle};
|
|---|
| 524 | print $outhandle "Warning: AZCompactList::reclassify ";
|
|---|
| 525 | print $outhandle "could not find sub-node for metadata=`$metavalue' with doc_OID $doc_OID\n";
|
|---|
| 526 | }
|
|---|
| 527 | }
|
|---|
| 528 | }
|
|---|
| 529 |
|
|---|
| 530 |
|
|---|
| 531 |
|
|---|
| 532 | sub get_reclassify_info
|
|---|
| 533 | {
|
|---|
| 534 | my $self = shift (@_);
|
|---|
| 535 |
|
|---|
| 536 | my $node_name;
|
|---|
| 537 | foreach $node_name (keys %{$self->{'classifiers'}})
|
|---|
| 538 | {
|
|---|
| 539 | my $classifyinfo
|
|---|
| 540 | = $self->{'classifiers'}->{$node_name}->{'classifyobj'}
|
|---|
| 541 | ->get_classify_info();
|
|---|
| 542 | $self->{'classifiers'}->{$node_name}->{'classifyinfo'}
|
|---|
| 543 | = $classifyinfo;
|
|---|
| 544 | $self->{'reclassifylist'}->{"CLASSIFY.$node_name"}
|
|---|
| 545 | = $self->{'classifiers'}->{$node_name}->{'formattednode'};
|
|---|
| 546 | }
|
|---|
| 547 | }
|
|---|
| 548 |
|
|---|
| 549 |
|
|---|
| 550 | sub alpha_numeric_cmp
|
|---|
| 551 | {
|
|---|
| 552 | my ($self,$a,$b) = @_;
|
|---|
| 553 |
|
|---|
| 554 | my $title_a = $self->{'reclassifylist'}->{$a};
|
|---|
| 555 | my $title_b = $self->{'reclassifylist'}->{$b};
|
|---|
| 556 |
|
|---|
| 557 | if ($title_a =~ m/^(\d+(\.\d+)?)/)
|
|---|
| 558 | {
|
|---|
| 559 | my $val_a = $1;
|
|---|
| 560 | if ($title_b =~ m/^(\d+(\.\d+)?)/)
|
|---|
| 561 | {
|
|---|
| 562 | my $val_b = $1;
|
|---|
| 563 | if ($val_a != $val_b)
|
|---|
| 564 | {
|
|---|
| 565 | return ($val_a <=> $val_b);
|
|---|
| 566 | }
|
|---|
| 567 | }
|
|---|
| 568 | }
|
|---|
| 569 |
|
|---|
| 570 | return ($title_a cmp $title_b);
|
|---|
| 571 | }
|
|---|
| 572 |
|
|---|
| 573 | sub frequency_cmp
|
|---|
| 574 | {
|
|---|
| 575 | my ($self,$a,$b) = @_;
|
|---|
| 576 |
|
|---|
| 577 |
|
|---|
| 578 | my $title_a = $self->{'reclassifylist'}->{$a};
|
|---|
| 579 | my $title_b = $self->{'reclassifylist'}->{$b};
|
|---|
| 580 |
|
|---|
| 581 | my $a_freq = 1;
|
|---|
| 582 | my $b_freq = 1;
|
|---|
| 583 |
|
|---|
| 584 | if ($a =~ m/^CLASSIFY\.(.*)$/)
|
|---|
| 585 | {
|
|---|
| 586 | my $a_node = $1;
|
|---|
| 587 | my $a_nodeinfo = $self->{'classifiers'}->{$a_node}->{'classifyinfo'};
|
|---|
| 588 | $a_freq = scalar(@{$a_nodeinfo->{'contains'}});
|
|---|
| 589 | }
|
|---|
| 590 |
|
|---|
| 591 | if ($b =~ m/^CLASSIFY\.(.*)$/)
|
|---|
| 592 | {
|
|---|
| 593 | my $b_node = $1;
|
|---|
| 594 | my $b_nodeinfo = $self->{'classifiers'}->{$b_node}->{'classifyinfo'};
|
|---|
| 595 | $b_freq = scalar(@{$b_nodeinfo->{'contains'}});
|
|---|
| 596 | }
|
|---|
| 597 |
|
|---|
| 598 | return $b_freq <=> $a_freq;
|
|---|
| 599 | }
|
|---|
| 600 |
|
|---|
| 601 | sub get_classify_info {
|
|---|
| 602 | my $self = shift (@_);
|
|---|
| 603 |
|
|---|
| 604 | my @classlist =keys %{$self->{'list_mvpair'}}; # list all doc oids
|
|---|
| 605 |
|
|---|
| 606 | my ($single_cl_ref,$multiple_cl_ref) = $self->reinit(\@classlist);
|
|---|
| 607 | $self->reclassify($multiple_cl_ref);
|
|---|
| 608 | $self->get_reclassify_info();
|
|---|
| 609 |
|
|---|
| 610 | my @reclassified_classlist;
|
|---|
| 611 | if ($self->{'freqsort'})
|
|---|
| 612 | {
|
|---|
| 613 | @reclassified_classlist
|
|---|
| 614 | = sort { $self->frequency_cmp($a,$b) } keys %{$self->{'reclassifylist'}};
|
|---|
| 615 | # supress sub-grouping by alphabet
|
|---|
| 616 | map { $self->{'reclassifylist'}->{$_} = "A".$self->{'reclassifylist'}; } keys %{$self->{'reclassifylist'}};
|
|---|
| 617 | }
|
|---|
| 618 | else
|
|---|
| 619 | {
|
|---|
| 620 | # @reclassified_classlist
|
|---|
| 621 | # = sort {$self->{'reclassifylist'}->{$a} cmp $self->{'reclassifylist'}->{$b};} keys %{$self->{'reclassifylist'}};
|
|---|
| 622 |
|
|---|
| 623 | # alpha_numeric_cmp is slower than "cmp" but handles numbers better ...
|
|---|
| 624 |
|
|---|
| 625 | @reclassified_classlist
|
|---|
| 626 | = sort { $self->alpha_numeric_cmp($a,$b) } keys %{$self->{'reclassifylist'}};
|
|---|
| 627 |
|
|---|
| 628 | }
|
|---|
| 629 |
|
|---|
| 630 | return $self->splitlist (\@reclassified_classlist);
|
|---|
| 631 | }
|
|---|
| 632 |
|
|---|
| 633 | sub get_entry {
|
|---|
| 634 | my $self = shift (@_);
|
|---|
| 635 | my ($title, $childtype, $metaname, $thistype) = @_;
|
|---|
| 636 | # organise into classification structure
|
|---|
| 637 | my %classifyinfo = ('childtype'=>$childtype,
|
|---|
| 638 | 'Title'=>$title,
|
|---|
| 639 | 'contains'=>[],
|
|---|
| 640 | 'mdtype'=>$metaname);
|
|---|
| 641 |
|
|---|
| 642 | $classifyinfo{'thistype'} = $thistype
|
|---|
| 643 | if defined $thistype && $thistype =~ /\w/;
|
|---|
| 644 |
|
|---|
| 645 | return \%classifyinfo;
|
|---|
| 646 | }
|
|---|
| 647 |
|
|---|
| 648 |
|
|---|
| 649 |
|
|---|
| 650 | # splitlist takes an ordered list of classifications (@$classlistref) and
|
|---|
| 651 | # splits it up into alphabetical sub-sections.
|
|---|
| 652 | sub splitlist {
|
|---|
| 653 | my $self = shift (@_);
|
|---|
| 654 | my ($classlistref) = @_;
|
|---|
| 655 | my $classhash = {};
|
|---|
| 656 |
|
|---|
| 657 | # top level
|
|---|
| 658 | my @metanames = split(/\/|\|/,$self->{'metadata'});
|
|---|
| 659 | my $metaname = shift(@metanames);
|
|---|
| 660 |
|
|---|
| 661 | my $childtype = "HList";
|
|---|
| 662 | $childtype = "VList" if (scalar (@$classlistref) <= $self->{'minnesting'});
|
|---|
| 663 |
|
|---|
| 664 | my $title = $self->{'buttonname'}; # should always be defined by now.
|
|---|
| 665 | my $classifyinfo;
|
|---|
| 666 | if (!defined($self->{'recopt'}))
|
|---|
| 667 | {
|
|---|
| 668 | $classifyinfo
|
|---|
| 669 | = $self->get_entry ($title, $childtype, $metaname, "Invisible");
|
|---|
| 670 | }
|
|---|
| 671 | else
|
|---|
| 672 | {
|
|---|
| 673 | $classifyinfo
|
|---|
| 674 | = $self->get_entry ($title, $childtype, $metaname, "VList");
|
|---|
| 675 | }
|
|---|
| 676 |
|
|---|
| 677 | # don't need to do any splitting if there are less than 'minnesting' classifications
|
|---|
| 678 | if ((scalar @$classlistref) <= $self->{'minnesting'}) {
|
|---|
| 679 | foreach my $subOID (@$classlistref) {
|
|---|
| 680 | if ($subOID =~ /^CLASSIFY\.(.*)$/
|
|---|
| 681 | && defined $self->{'classifiers'}->{$1})
|
|---|
| 682 | {
|
|---|
| 683 | push (@{$classifyinfo->{'contains'}},
|
|---|
| 684 | $self->{'classifiers'}->{$1}->{'classifyinfo'});
|
|---|
| 685 | }
|
|---|
| 686 | else
|
|---|
| 687 | {
|
|---|
| 688 | $subOID =~ s/^Metavalue_(\d+)\.//;
|
|---|
| 689 | my $metaname_offset = $1 -1;
|
|---|
| 690 | my $oid_rec = {'OID'=>$subOID, 'offset'=>$metaname_offset};
|
|---|
| 691 | push (@{$classifyinfo->{'contains'}}, $oid_rec);
|
|---|
| 692 | }
|
|---|
| 693 | }
|
|---|
| 694 | return $classifyinfo;
|
|---|
| 695 | }
|
|---|
| 696 |
|
|---|
| 697 | # first split up the list into separate A-Z and 0-9 classifications
|
|---|
| 698 | foreach my $classification (@$classlistref) {
|
|---|
| 699 | my $title = $self->{'reclassifylist'}->{$classification};
|
|---|
| 700 | $title =~ s/&(.){2,4};//g; # remove any HTML special chars
|
|---|
| 701 | $title =~ s/^(\W|_)+//g; # remove leading non-word chars
|
|---|
| 702 |
|
|---|
| 703 | # only want first character for classification
|
|---|
| 704 | $title =~ m/^(.)/; # always a char, or first byte of wide char?
|
|---|
| 705 | if (defined($1) && $1 ne "") {
|
|---|
| 706 | $title=$1;
|
|---|
| 707 |
|
|---|
| 708 | # remove any accents on initial character by mapping to Unicode's
|
|---|
| 709 | # normalized decomposed form (accents follow initial letter)
|
|---|
| 710 | # and then pick off the initial letter
|
|---|
| 711 | my $title_decomposed = NFD($title);
|
|---|
| 712 | $title = substr($title_decomposed,0,1);
|
|---|
| 713 | } else {
|
|---|
| 714 | print STDERR "no first character found for \"$title\" - \"" .
|
|---|
| 715 | $self->{'reclassifylist'}->{$classification} . "\"\n";
|
|---|
| 716 | }
|
|---|
| 717 | $title =~ tr/[a-z]/[A-Z]/;
|
|---|
| 718 |
|
|---|
| 719 | if ($title =~ /^[0-9]$/) {$title = '0-9';}
|
|---|
| 720 | elsif ($title !~ /^[A-Z]$/) {
|
|---|
| 721 | my $outhandle = $self->{'outhandle'};
|
|---|
| 722 | print $outhandle "AZCompactList: WARNING $classification has badly formatted title ($title)\n";
|
|---|
| 723 | }
|
|---|
| 724 | $classhash->{$title} = [] unless defined $classhash->{$title};
|
|---|
| 725 | push (@{$classhash->{$title}}, $classification);
|
|---|
| 726 | }
|
|---|
| 727 | $classhash = $self->compactlist ($classhash);
|
|---|
| 728 |
|
|---|
| 729 | my @tmparr = ();
|
|---|
| 730 | foreach my $subsection (sort keys (%$classhash)) {
|
|---|
| 731 | push (@tmparr, $subsection);
|
|---|
| 732 | }
|
|---|
| 733 |
|
|---|
| 734 | # if there's a 0-9 section it will have been sorted to the beginning
|
|---|
| 735 | # but we want it at the end
|
|---|
| 736 | if ($tmparr[0] eq '0-9') {
|
|---|
| 737 | shift @tmparr;
|
|---|
| 738 | push (@tmparr, '0-9');
|
|---|
| 739 | }
|
|---|
| 740 | foreach my $subclass (@tmparr)
|
|---|
| 741 | {
|
|---|
| 742 | my $tempclassify
|
|---|
| 743 | = (scalar(@tmparr)==1)
|
|---|
| 744 | ? ($self->get_entry(" ", "VList", $metaname))
|
|---|
| 745 | : ($self->get_entry($subclass, "VList", $metaname));
|
|---|
| 746 |
|
|---|
| 747 |
|
|---|
| 748 | foreach my $subsubOID (@{$classhash->{$subclass}})
|
|---|
| 749 | {
|
|---|
| 750 | if ($subsubOID =~ /^CLASSIFY\.(.*)$/
|
|---|
| 751 | && defined $self->{'classifiers'}->{$1})
|
|---|
| 752 | {
|
|---|
| 753 | # this is a "bookshelf" node... >1 entry compacted
|
|---|
| 754 | push (@{$tempclassify->{'contains'}},
|
|---|
| 755 | $self->{'classifiers'}->{$1}->{'classifyinfo'});
|
|---|
| 756 | # set the metadata field name, for mdoffset to work
|
|---|
| 757 | $self->{'classifiers'}->{$1}->{'classifyinfo'}->{'mdtype'}=
|
|---|
| 758 | $metaname;
|
|---|
| 759 | }
|
|---|
| 760 | else
|
|---|
| 761 | {
|
|---|
| 762 | $subsubOID =~ s/^Metavalue_(\d+)\.//;
|
|---|
| 763 | # record the offset if this metadata type has multiple values
|
|---|
| 764 | my $metaname_offset = $1 -1;
|
|---|
| 765 | my $oid_rec = {'OID'=>$subsubOID, 'offset'=>$metaname_offset};
|
|---|
| 766 | push (@{$tempclassify->{'contains'}}, $oid_rec);
|
|---|
| 767 | }
|
|---|
| 768 | }
|
|---|
| 769 | push (@{$classifyinfo->{'contains'}}, $tempclassify);
|
|---|
| 770 | }
|
|---|
| 771 |
|
|---|
| 772 | return $classifyinfo;
|
|---|
| 773 | }
|
|---|
| 774 |
|
|---|
| 775 | sub compactlist {
|
|---|
| 776 | my $self = shift (@_);
|
|---|
| 777 | my ($classhashref) = @_;
|
|---|
| 778 | my $compactedhash = {};
|
|---|
| 779 | my @currentOIDs = ();
|
|---|
| 780 | my $currentfirstletter = "";
|
|---|
| 781 | my $currentlastletter = "";
|
|---|
| 782 | my $lastkey = "";
|
|---|
| 783 |
|
|---|
| 784 | # minimum and maximum documents to be displayed per page.
|
|---|
| 785 | # the actual maximum will be max + (min-1).
|
|---|
| 786 | # the smallest sub-section is a single letter at present
|
|---|
| 787 | # so in this case there may be many times max documents
|
|---|
| 788 | # displayed on a page.
|
|---|
| 789 | my $min = $self->{'mincompact'};
|
|---|
| 790 | my $max = $self->{'maxcompact'};
|
|---|
| 791 |
|
|---|
| 792 | foreach my $subsection (sort keys %$classhashref) {
|
|---|
| 793 | if ($subsection eq '0-9') {
|
|---|
| 794 | @{$compactedhash->{$subsection}} = @{$classhashref->{$subsection}};
|
|---|
| 795 | next;
|
|---|
| 796 | }
|
|---|
| 797 | $currentfirstletter = $subsection if $currentfirstletter eq "";
|
|---|
| 798 | if ((scalar (@currentOIDs) < $min) ||
|
|---|
| 799 | ((scalar (@currentOIDs) + scalar (@{$classhashref->{$subsection}})) <= $max)) {
|
|---|
| 800 | push (@currentOIDs, @{$classhashref->{$subsection}});
|
|---|
| 801 | $currentlastletter = $subsection;
|
|---|
| 802 | } else {
|
|---|
| 803 |
|
|---|
| 804 | if ($currentfirstletter eq $currentlastletter) {
|
|---|
| 805 | @{$compactedhash->{$currentfirstletter}} = @currentOIDs;
|
|---|
| 806 | $lastkey = $currentfirstletter;
|
|---|
| 807 | } else {
|
|---|
| 808 | @{$compactedhash->{"$currentfirstletter-$currentlastletter"}} = @currentOIDs;
|
|---|
| 809 | $lastkey = "$currentfirstletter-$currentlastletter";
|
|---|
| 810 | }
|
|---|
| 811 | if (scalar (@{$classhashref->{$subsection}}) >= $max) {
|
|---|
| 812 | $compactedhash->{$subsection} = $classhashref->{$subsection};
|
|---|
| 813 | @currentOIDs = ();
|
|---|
| 814 | $currentfirstletter = "";
|
|---|
| 815 | $lastkey=$subsection;
|
|---|
| 816 | } else {
|
|---|
| 817 | @currentOIDs = @{$classhashref->{$subsection}};
|
|---|
| 818 | $currentfirstletter = $subsection;
|
|---|
| 819 | $currentlastletter = $subsection;
|
|---|
| 820 | }
|
|---|
| 821 | }
|
|---|
| 822 | }
|
|---|
| 823 |
|
|---|
| 824 | # add final OIDs to last sub-classification if there aren't many otherwise
|
|---|
| 825 | # add final sub-classification
|
|---|
| 826 |
|
|---|
| 827 | # don't add if there aren't any oids
|
|---|
| 828 | if (! scalar (@currentOIDs)) {return $compactedhash;}
|
|---|
| 829 |
|
|---|
| 830 | if (scalar (@currentOIDs) < $min) {
|
|---|
| 831 | my ($newkey) = $lastkey =~ /^(.)/;
|
|---|
| 832 | @currentOIDs = (@{$compactedhash->{$lastkey}}, @currentOIDs);
|
|---|
| 833 | delete $compactedhash->{$lastkey};
|
|---|
| 834 | @{$compactedhash->{"$newkey-$currentlastletter"}} = @currentOIDs;
|
|---|
| 835 | } else {
|
|---|
| 836 | if ($currentfirstletter eq $currentlastletter) {
|
|---|
| 837 | @{$compactedhash->{$currentfirstletter}} = @currentOIDs;
|
|---|
| 838 | } else {
|
|---|
| 839 | @{$compactedhash->{"$currentfirstletter-$currentlastletter"}} = @currentOIDs;
|
|---|
| 840 | }
|
|---|
| 841 | }
|
|---|
| 842 |
|
|---|
| 843 | return $compactedhash;
|
|---|
| 844 | }
|
|---|
| 845 |
|
|---|
| 846 | 1;
|
|---|
| 847 |
|
|---|
| 848 |
|
|---|
