[1086] | 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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[6975] | 26 |
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[1086] | 27 | package AZCompactList;
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| 28 |
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[24691] | 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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[17209] | 32 | use BaseClassifier;
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[1086] | 33 | use sorttools;
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| 34 |
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[24691] | 35 | use Unicode::Normalize;
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[10253] | 36 |
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[1483] | 37 | sub BEGIN {
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[17209] | 38 | @AZCompactList::ISA = ('BaseClassifier');
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[1483] | 39 | }
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| 40 |
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[3540] | 41 | my $doclevel_list =
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[4759] | 42 | [ { 'name' => "top",
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[4873] | 43 | 'desc' => "{AZCompactList.doclevel.top}" },
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[24691] | 44 | { 'name' => "firstlevel",
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| 45 | 'desc' => "{AZCompactList.doclevel.firstlevel}" },
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[4759] | 46 | { 'name' => "section",
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[4873] | 47 | 'desc' => "{AZCompactList.doclevel.section}" } ];
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[3540] | 48 |
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| 49 | my $arguments =
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[4759] | 50 | [ { 'name' => "metadata",
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[6975] | 51 | 'desc' => "{AZCompactList.metadata}",
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[3540] | 52 | 'type' => "metadata",
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[4759] | 53 | 'reqd' => "yes" },
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[7548] | 54 | { 'name' => "firstvalueonly",
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| 55 | 'desc' => "{AZCompactList.firstvalueonly}",
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| 56 | 'type' => "flag",
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| 57 | 'reqd' => "no" },
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| 58 | { 'name' => "allvalues",
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| 59 | 'desc' => "{AZCompactList.allvalues}",
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| 60 | 'type' => "flag",
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| 61 | 'reqd' => "no" },
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[6281] | 62 | { 'name' => "sort",
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| 63 | 'desc' => "{AZCompactList.sort}",
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[11665] | 64 | 'type' => "metadata",
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[10218] | 65 | # 'deft' => "Title",
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[6281] | 66 | 'reqd' => "no" },
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[4759] | 67 | { 'name' => "removeprefix",
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[9064] | 68 | 'desc' => "{BasClas.removeprefix}",
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[6408] | 69 | 'type' => "regexp",
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[4759] | 70 | 'deft' => "",
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| 71 | 'reqd' => "no" },
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[4840] | 72 | { 'name' => "removesuffix",
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[9064] | 73 | 'desc' => "{BasClas.removesuffix}",
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[6408] | 74 | 'type' => "regexp",
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[4840] | 75 | 'deft' => "",
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| 76 | 'reqd' => "no" },
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[4759] | 77 | { 'name' => "mingroup",
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[4873] | 78 | 'desc' => "{AZCompactList.mingroup}",
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[3540] | 79 | 'type' => "int",
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[11407] | 80 | 'deft' => "1",
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[7577] | 81 | 'range' => "1,",
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[4759] | 82 | 'reqd' => "no" },
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| 83 | { 'name' => "minnesting",
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[4873] | 84 | 'desc' => "{AZCompactList.minnesting}",
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[3540] | 85 | 'type' => "int",
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[4759] | 86 | 'deft' => "20",
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[7577] | 87 | 'range' => "2,",
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[4759] | 88 | 'reqd' => "no" },
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| 89 | { 'name' => "mincompact",
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[4873] | 90 | 'desc' => "{AZCompactList.mincompact}",
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[3540] | 91 | 'type' => "int",
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[4759] | 92 | 'deft' => "10",
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[7577] | 93 | 'range' => "1,",
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[4759] | 94 | 'reqd' => "no" },
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| 95 | { 'name' => "maxcompact",
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[4873] | 96 | 'desc' => "{AZCompactList.maxcompact}",
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[3540] | 97 | 'type' => "int",
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[4759] | 98 | 'deft' => "30",
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[7577] | 99 | 'range' => "1,",
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[4759] | 100 | 'reqd' => "no" },
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| 101 | { 'name' => "doclevel",
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[4873] | 102 | 'desc' => "{AZCompactList.doclevel}",
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[3540] | 103 | 'type' => "enum",
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| 104 | 'list' => $doclevel_list,
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[4759] | 105 | 'deft' => "top",
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| 106 | 'reqd' => "no" },
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| 107 | { 'name' => "freqsort",
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[4873] | 108 | 'desc' => "{AZCompactList.freqsort}",
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[5615] | 109 | 'type' => "flag"},
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| 110 | { 'name' => "recopt",
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| 111 | 'desc' => "{AZCompactList.recopt}",
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| 112 | 'type' => "flag",
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| 113 | 'reqd' => "no" } ];
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[3540] | 114 |
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| 115 | my $options =
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| 116 | { 'name' => "AZCompactList",
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[5729] | 117 | 'desc' => "{AZCompactList.desc}",
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[6408] | 118 | 'abstract' => "no",
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| 119 | 'inherits' => "yes",
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[3540] | 120 | 'args' => $arguments };
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| 121 |
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[1839] | 122 |
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[1086] | 123 | sub new {
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[10218] | 124 | my ($class) = shift (@_);
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| 125 | my ($pluginlist,$inputargs,$hashArgOptLists) = @_;
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| 126 | push(@$pluginlist, $class);
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[1086] | 127 |
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[17209] | 128 | push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
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| 129 | push(@{$hashArgOptLists->{"OptList"}},$options);
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[3540] | 130 |
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[17209] | 131 | my $self = new BaseClassifier($pluginlist, $inputargs, $hashArgOptLists);
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[3540] | 132 |
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[10253] | 133 | if ($self->{'info_only'}) {
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| 134 | # don't worry about any options etc
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| 135 | return bless $self, $class;
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| 136 | }
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| 137 |
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[10218] | 138 | if (!$self->{"metadata"}) {
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[1483] | 139 | my $outhandle = $self->{'outhandle'};
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[6985] | 140 | print $outhandle "AZCompactList Error: required option -metadata not supplied\n";
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| 141 | $self->print_txt_usage("");
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| 142 | die "AZCompactList Error: required option -metadata not supplied\n";
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[1483] | 143 | }
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| 144 |
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[20429] | 145 | $self->{'metadata'} = $self->strip_ex_from_metadata($self->{'metadata'});
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[10218] | 146 | # Manually set $self parameters.
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[1483] | 147 | $self->{'list'} = {};
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| 148 | $self->{'listmetavalue'} = {};
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[7406] | 149 | $self->{'list_mvpair'} = {};
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[1483] | 150 | $self->{'reclassify'} = {};
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| 151 | $self->{'reclassifylist'} = {};
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[9461] | 152 |
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[10218] | 153 | $self->{'buttonname'} = $self->generate_title_from_metadata($self->{'metadata'}) unless ($self->{'buttonname'});
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| 154 |
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| 155 | if (defined($self->{"removeprefix"}) && $self->{"removeprefix"}) {
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| 156 | $self->{"removeprefix"} =~ s/^\^//; # don't need a leading ^
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[2955] | 157 | }
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[10218] | 158 | if (defined($self->{"removesuffix"}) && $self->{"removesuffix"}) {
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| 159 | $self->{"removesuffix"} =~ s/\$$//; # don't need a trailing $
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[4840] | 160 | }
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[10218] | 161 |
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| 162 | $self->{'recopt'} = ($self->{'recopt'} == 0) ? undef : "on";
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[20429] | 163 |
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| 164 | if (defined $self->{'sort'}) {
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| 165 | $self->{'sort'} = $self->strip_ex_from_metadata($self->{'sort'});
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| 166 | }
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[10218] | 167 | # Clean out the unused keys
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| 168 | if($self->{"removeprefix"} eq "") {delete $self->{"removeprefix"};}
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| 169 | if($self->{"removesuffix"} eq "") {delete $self->{"removesuffix"};}
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[3303] | 170 |
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[1483] | 171 | return bless $self, $class;
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[1086] | 172 | }
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| 173 |
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| 174 | sub init
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| 175 | {
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| 176 | my $self = shift (@_);
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| 177 |
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| 178 | $self->{'list'} = {};
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| 179 | $self->{'listmetavalue'} = {};
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[7406] | 180 | $self->{'list_mvpair'} = {};
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[1086] | 181 | $self->{'reclassify'} = {};
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| 182 | $self->{'reclassifylist'} = {};
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| 183 | }
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| 184 |
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[10253] | 185 | my $tmp = 0;
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[1086] | 186 |
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[7835] | 187 | sub classify
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[1086] | 188 | {
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| 189 | my $self = shift (@_);
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[23116] | 190 | my ($doc_obj) = @_;
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[1086] | 191 |
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| 192 | my $doc_OID = $doc_obj->get_OID();
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[19495] | 193 | my $outhandle = $self->{'outhandle'};
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[1086] | 194 |
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[1313] | 195 | my @sectionlist = ();
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| 196 | my $topsection = $doc_obj->get_top_section();
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[10218] | 197 | my $metaname = $self->{'metadata'};
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[1086] | 198 |
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[9461] | 199 | $metaname =~ s/(\/|\|).*//; # grab first name in n1/n2/n3 or n1|n2|n3 list
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[20008] | 200 | my @commameta_list = split(/,|;/, $metaname);
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[1086] | 201 |
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[1313] | 202 | if ($self->{'doclevel'} =~ /^top(level)?/i)
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[1086] | 203 | {
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[1313] | 204 | push(@sectionlist,$topsection);
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| 205 | }
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[24691] | 206 | elsif ($self->{'doclevel'} =~ /^first(level)?/i)
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[1313] | 207 | {
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[24691] | 208 | my $toplevel_children = $doc_obj->get_children($topsection);
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| 209 | push(@sectionlist,@$toplevel_children);
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| 210 | }
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| 211 | else # (all)?section(s)?
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| 212 | {
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[1313] | 213 | my $thissection = $doc_obj->get_next_section($topsection);
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| 214 | while (defined $thissection)
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| 215 | {
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| 216 | push(@sectionlist,$thissection);
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| 217 | $thissection = $doc_obj->get_next_section ($thissection);
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| 218 | }
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| 219 | }
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[1086] | 220 |
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[1313] | 221 | my $thissection;
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| 222 | foreach $thissection (@sectionlist)
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| 223 | {
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| 224 | my $full_doc_OID
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| 225 | = ($thissection ne "") ? "$doc_OID.$thissection" : $doc_OID;
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[18455] | 226 |
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[7406] | 227 | if (defined $self->{'list_mvpair'}->{$full_doc_OID})
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[1086] | 228 | {
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[1483] | 229 | print $outhandle "WARNING: AZCompactList::classify called multiple times for $full_doc_OID\n";
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[1086] | 230 | }
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[1313] | 231 | $self->{'list'}->{$full_doc_OID} = [];
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| 232 | $self->{'listmetavalue'}->{$full_doc_OID} = [];
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[7406] | 233 | $self->{'list_mvpair'}->{$full_doc_OID} = [];
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[1313] | 234 |
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[7406] | 235 | my $metavalues = [];
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| 236 | foreach my $cmn (@commameta_list) {
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| 237 | my $cmvalues = $doc_obj->get_metadata($thissection,$cmn);
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[7557] | 238 | push(@$metavalues,@$cmvalues) if (@{$cmvalues});
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| 239 | last if (@{$cmvalues} && !$self->{'allvalues'});
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[7406] | 240 | }
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| 241 |
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[1313] | 242 | my $metavalue;
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| 243 | foreach $metavalue (@$metavalues)
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[1086] | 244 | {
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[7042] | 245 | # Tidy up use of white space in metavalue for classifying
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| 246 | $metavalue =~ s/^\s*//s;
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| 247 | $metavalue =~ s/\s*$//s;
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| 248 | $metavalue =~ s/\n/ /s;
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| 249 | $metavalue =~ s/\s{2,}/ /s;
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| 250 |
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[1313] | 251 | # if this document doesn't contain the metadata element we're
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| 252 | # sorting by we won't include it in this classification
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| 253 | if (defined $metavalue && $metavalue =~ /\w/)
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| 254 | {
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[4840] | 255 | if (defined($self->{'removeprefix'}) &&
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| 256 | length($self->{'removeprefix'})) {
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[2955] | 257 | $metavalue =~ s/^$self->{'removeprefix'}//;
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[4225] | 258 |
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| 259 | # check that it's not now empty
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| 260 | if (!$metavalue) {next;}
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[2955] | 261 | }
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| 262 |
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[4840] | 263 | if (defined($self->{'removesuffix'}) &&
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| 264 | length($self->{'removesuffix'})) {
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| 265 | $metavalue =~ s/$self->{'removesuffix'}$//;
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| 266 |
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| 267 | # check that it's not now empty
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| 268 | if (!$metavalue) {next;}
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| 269 | }
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| 270 |
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[10630] | 271 | my $formatted_metavalue;
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| 272 | if ($self->{'no_metadata_formatting'}) {
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| 273 | $formatted_metavalue = $metavalue;
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| 274 | } else {
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| 275 | $formatted_metavalue = &sorttools::format_metadata_for_sorting($self->{'metadata'}, $metavalue, $doc_obj);
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| 276 | }
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[1313] | 277 |
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[2955] | 278 | #### prefix-str
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| 279 | if (! defined($formatted_metavalue)) {
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| 280 | print $outhandle "Warning: AZCompactList: metavalue is ";
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| 281 | print $outhandle "empty\n";
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| 282 | $formatted_metavalue="";
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| 283 | }
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[7406] | 284 |
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| 285 | my $mv_pair = { 'mv' => $metavalue, 'fmv' => $formatted_metavalue };
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[1313] | 286 | push(@{$self->{'list'}->{$full_doc_OID}},$formatted_metavalue);
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| 287 | push(@{$self->{'listmetavalue'}->{$full_doc_OID}} ,$metavalue);
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[7406] | 288 | push(@{$self->{'list_mvpair'}->{$full_doc_OID}},$mv_pair);
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[1313] | 289 |
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[7406] | 290 |
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[7548] | 291 | last if ($self->{'firstvalueonly'});
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[1313] | 292 | }
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[1086] | 293 | }
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[9519] | 294 |
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| 295 | # This is used in reclassify below for AZCompactSectionList
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[10218] | 296 | my $sortmeta = $doc_obj->get_metadata_element($thissection, $self->{'sort'});
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[9519] | 297 | $self->{'reclassify'}->{$full_doc_OID} = [$doc_obj,$sortmeta];
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[1086] | 298 | }
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| 299 | }
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| 300 |
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| 301 | sub reinit
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| 302 | {
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| 303 | my ($self,$classlist_ref) = @_;
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[2955] | 304 | my $outhandle = $self->{'outhandle'};
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[1086] | 305 |
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| 306 | my %mtfreq = ();
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| 307 | my @single_classlist = ();
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| 308 | my @multiple_classlist = ();
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| 309 |
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| 310 | # find out how often each metavalue occurs
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[1313] | 311 | map
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| 312 | {
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[7406] | 313 | foreach my $mvp (@{$self->{'list_mvpair'}->{$_}} )
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[1313] | 314 | {
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[7406] | 315 | ### print STDERR "*** plain mv = $mvp->{'mv'}\n";
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| 316 | ### print STDERR "*** format mv = $mvp->{'fmv'}\n";
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| 317 |
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| 318 | my $metavalue = $mvp->{'mv'};
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[7702] | 319 | $metavalue =~ s!^-!\\-!; # in case it starts with "-"
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| 320 | $mtfreq{$metavalue}++;
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[1313] | 321 | }
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| 322 | } @$classlist_ref;
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[1086] | 323 |
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| 324 | # use this information to split the list: single metavalue/repeated value
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| 325 | map
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| 326 | {
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[1313] | 327 | my $i = 1;
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| 328 | my $metavalue;
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[7406] | 329 | foreach my $mvp (@{$self->{'list_mvpair'}->{$_}})
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[1086] | 330 | {
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[7406] | 331 | my $metavalue = $mvp->{'mv'};
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[7702] | 332 | $metavalue =~ s!^-!\\-!; # in case it starts with "-"
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[7406] | 333 | my $cs_metavalue = $mvp->{'mv'}; # case sensative
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[1313] | 334 | if ($mtfreq{$metavalue} >= $self->{'mingroup'})
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| 335 | {
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[7406] | 336 | ### print STDERR "*** pushing on $cs_metavalue\n";
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[1313] | 337 | push(@multiple_classlist,[$_,$i,$metavalue]);
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| 338 | }
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| 339 | else
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| 340 | {
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[7406] | 341 | push(@single_classlist,[$_,$cs_metavalue]);
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[1313] | 342 | $metavalue =~ tr/[A-Z]/[a-z]/;
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| 343 | $self->{'reclassifylist'}->{"Metavalue_$i.$_"} = $metavalue;
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| 344 | }
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| 345 | $i++;
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[1086] | 346 | }
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| 347 | } @$classlist_ref;
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| 348 |
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| 349 |
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| 350 | # Setup sub-classifiers for multiple list
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| 351 |
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| 352 | $self->{'classifiers'} = {};
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| 353 |
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[1313] | 354 | my $pm;
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[18566] | 355 | foreach $pm ("SimpleList", "SectionList")
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[1313] | 356 | {
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| 357 | my $listname
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| 358 | = &util::filename_cat($ENV{'GSDLHOME'},"perllib/classify/$pm.pm");
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| 359 | if (-e $listname) { require $listname; }
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| 360 | else
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| 361 | {
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[1483] | 362 | print $outhandle "AZCompactList ERROR - couldn't find classifier \"$listname\"\n";
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| 363 | die "\n";
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[1313] | 364 | }
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[1086] | 365 | }
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| 366 |
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[1313] | 367 | # Create classifiers objects for each entry >= mingroup
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[1086] | 368 | my $metavalue;
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[8728] | 369 | my $doclevel = $self->{'doclevel'};
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| 370 | my $mingroup = $self->{'mingroup'};
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[10218] | 371 | my @metaname_list = split(/\/|\|/,$self->{'metadata'});
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[8728] | 372 | my $metaname = shift(@metaname_list);
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| 373 | my $hierarchical = 0;
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[9461] | 374 | if (scalar(@metaname_list) > 1) {
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[8728] | 375 | $hierarchical = 1;
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| 376 | $metaname = join('/',@metaname_list);
|
---|
| 377 | }
|
---|
[1086] | 378 | foreach $metavalue (keys %mtfreq)
|
---|
| 379 | {
|
---|
[8728] | 380 | if ($mtfreq{$metavalue} >= $mingroup)
|
---|
[1086] | 381 | {
|
---|
[7835] | 382 | # occurs more often than minimum required to compact into a group
|
---|
[1086] | 383 | my $listclassobj;
|
---|
[8728] | 384 |
|
---|
| 385 | if (!$hierarchical)
|
---|
| 386 | {
|
---|
[1948] | 387 | my @args;
|
---|
| 388 | push @args, ("-metadata", "$metaname");
|
---|
[5615] | 389 | # buttonname is also used for the node's title
|
---|
[2080] | 390 | push @args, ("-buttonname", "$metavalue");
|
---|
[10218] | 391 | push @args, ("-sort", $self->{'sort'});
|
---|
[1948] | 392 |
|
---|
[10218] | 393 | my $ptArgs = \@args;
|
---|
[1313] | 394 | if ($doclevel =~ m/^top(level)?/i)
|
---|
| 395 | {
|
---|
[18566] | 396 | eval ("\$listclassobj = new SimpleList([],\$ptArgs)");
|
---|
[1313] | 397 | }
|
---|
| 398 | else
|
---|
| 399 | {
|
---|
[24691] | 400 | # first(level)? or (all)?section(s)?
|
---|
[10218] | 401 | eval ("\$listclassobj = new SectionList([],\$ptArgs)");
|
---|
[1313] | 402 | }
|
---|
| 403 | }
|
---|
| 404 | else
|
---|
| 405 | {
|
---|
[1948] | 406 |
|
---|
| 407 | my @args;
|
---|
| 408 | push @args, ("-metadata", "$metaname");
|
---|
[5615] | 409 | # buttonname is also used for the node's title
|
---|
[2080] | 410 | push @args, ("-buttonname", "$metavalue");
|
---|
[10218] | 411 | push @args, ("-sort", $self->{'sort'});
|
---|
[10113] | 412 |
|
---|
| 413 | if (defined $self->{'removeprefix'}) {
|
---|
| 414 | push @args, ("-removeprefix", $self->{'removeprefix'});
|
---|
| 415 | }
|
---|
| 416 | if (defined $self->{'removesuffix'}) {
|
---|
| 417 | push @args, ("-removesuffix", $self->{'removesuffix'});
|
---|
| 418 | }
|
---|
| 419 |
|
---|
[1948] | 420 | push @args, ("-doclevel", "$doclevel");
|
---|
[5615] | 421 | push @args, ("-mingroup", $mingroup);
|
---|
| 422 | push @args, "-recopt ";
|
---|
[1313] | 423 |
|
---|
[10218] | 424 | my $ptArgs = \@args;
|
---|
| 425 | eval ("\$listclassobj = new AZCompactList([],\$ptArgs)");
|
---|
[1313] | 426 | }
|
---|
[10218] | 427 |
|
---|
[1483] | 428 | if ($@) {
|
---|
| 429 | print $outhandle "$@";
|
---|
| 430 | die "\n";
|
---|
| 431 | }
|
---|
[1086] | 432 |
|
---|
| 433 | $listclassobj->init();
|
---|
| 434 |
|
---|
| 435 | if (defined $metavalue && $metavalue =~ /\w/)
|
---|
| 436 | {
|
---|
| 437 | my $formatted_node = $metavalue;
|
---|
[2955] | 438 |
|
---|
[4840] | 439 | if (defined($self->{'removeprefix'}) &&
|
---|
| 440 | length($self->{'removeprefix'})) {
|
---|
[2955] | 441 | $formatted_node =~ s/^$self->{'removeprefix'}//;
|
---|
[4225] | 442 | # check that it's not now empty
|
---|
| 443 | if (!$formatted_node) {next;}
|
---|
[2955] | 444 | }
|
---|
[4840] | 445 | if (defined($self->{'removesuffix'}) &&
|
---|
| 446 | length($self->{'removesuffix'})) {
|
---|
| 447 | $formatted_node =~ s/$self->{'removesuffix'}$//;
|
---|
| 448 | # check that it's not now empty
|
---|
| 449 | if (!$formatted_node) {next;}
|
---|
| 450 | }
|
---|
[7406] | 451 |
|
---|
[10630] | 452 | $formatted_node = &sorttools::format_metadata_for_sorting($self->{'metadata'}, $formatted_node) unless $self->{'no_metadata_formatting'};
|
---|
[2955] | 453 |
|
---|
| 454 | # In case our formatted string is empty...
|
---|
| 455 | if (! defined($formatted_node)) {
|
---|
| 456 | print $outhandle "Warning: AZCompactList: metavalue is ";
|
---|
| 457 | print $outhandle "empty\n";
|
---|
| 458 | $formatted_node="";
|
---|
| 459 | }
|
---|
| 460 |
|
---|
[6482] | 461 | # use the lower case, for speed of lookup.
|
---|
| 462 | my $meta_lc=lc($metavalue);
|
---|
| 463 | $self->{'classifiers'}->{$meta_lc}
|
---|
[1086] | 464 | = { 'classifyobj' => $listclassobj,
|
---|
| 465 | 'formattednode' => $formatted_node };
|
---|
| 466 | }
|
---|
| 467 | }
|
---|
| 468 | }
|
---|
| 469 |
|
---|
| 470 |
|
---|
| 471 | return (\@single_classlist,\@multiple_classlist);
|
---|
| 472 | }
|
---|
| 473 |
|
---|
| 474 |
|
---|
| 475 | sub reclassify
|
---|
| 476 | {
|
---|
| 477 | my ($self,$multiple_cl_ref) = @_;
|
---|
| 478 |
|
---|
[1313] | 479 | # Entries in the current classify list that are "book nodes"
|
---|
| 480 | # should be recursively classified.
|
---|
| 481 | #--
|
---|
[10253] | 482 | foreach my $dm_pair (@$multiple_cl_ref)
|
---|
[1086] | 483 | {
|
---|
[7406] | 484 | my ($doc_OID,$mdoffset,$metavalue,$cs_metavalue) = @$dm_pair;
|
---|
[1086] | 485 | my $listclassobj;
|
---|
[1313] | 486 |
|
---|
[1086] | 487 | # find metavalue in list of sub-classifiers
|
---|
[6482] | 488 | # check if we have a key (lower case) for this metadata value
|
---|
| 489 | my $node_name=lc($metavalue);
|
---|
| 490 | if (exists $self->{'classifiers'}->{$node_name})
|
---|
[1086] | 491 | {
|
---|
[9519] | 492 | my ($doc_obj, $sortmeta) = @{$self->{'reclassify'}->{$doc_OID}};
|
---|
[1086] | 493 |
|
---|
[7835] | 494 | # record the metadata value offset temporarily, so eg AZList can
|
---|
| 495 | # get the correct metadata value (for multi-valued metadata fields)
|
---|
| 496 | $doc_obj->{'mdoffset'}=$mdoffset;
|
---|
| 497 |
|
---|
[6482] | 498 | if ($doc_OID =~ m/^[^\.]*\.([\d\.]+)$/)
|
---|
| 499 | {
|
---|
| 500 | my $section=$1;
|
---|
[24691] | 501 | if ($self->{'doclevel'} =~ m/^top(level)?/i) { # toplevel
|
---|
[1313] | 502 | $self->{'classifiers'}->{$node_name}->{'classifyobj'}
|
---|
[23354] | 503 | ->classify($doc_obj,"Section=$section");
|
---|
[24691] | 504 | } else {
|
---|
| 505 | # first(level)? or (all)?section(s)?
|
---|
| 506 |
|
---|
| 507 | # classify() can't handle multi-level section, so use
|
---|
| 508 | # classify_section()
|
---|
| 509 | # ... thanks to Don Gourley for this...
|
---|
| 510 |
|
---|
[6482] | 511 | $self->{'classifiers'}->{$node_name}->{'classifyobj'}
|
---|
[23354] | 512 | ->classify_section($section, $doc_obj, $sortmeta);
|
---|
[1313] | 513 | }
|
---|
[1086] | 514 | }
|
---|
[6482] | 515 | else
|
---|
| 516 | {
|
---|
| 517 | $self->{'classifiers'}->{$node_name}->{'classifyobj'}
|
---|
[23354] | 518 | ->classify($doc_obj);
|
---|
[6482] | 519 | }
|
---|
| 520 | } else { # this key is not in the hash
|
---|
[2889] | 521 | my $outhandle=$self->{outhandle};
|
---|
[1483] | 522 | print $outhandle "Warning: AZCompactList::reclassify ";
|
---|
[2955] | 523 | print $outhandle "could not find sub-node for metadata=`$metavalue' with doc_OID $doc_OID\n";
|
---|
[1086] | 524 | }
|
---|
| 525 | }
|
---|
| 526 | }
|
---|
| 527 |
|
---|
| 528 |
|
---|
| 529 |
|
---|
| 530 | sub get_reclassify_info
|
---|
| 531 | {
|
---|
| 532 | my $self = shift (@_);
|
---|
| 533 |
|
---|
| 534 | my $node_name;
|
---|
| 535 | foreach $node_name (keys %{$self->{'classifiers'}})
|
---|
| 536 | {
|
---|
| 537 | my $classifyinfo
|
---|
| 538 | = $self->{'classifiers'}->{$node_name}->{'classifyobj'}
|
---|
[1313] | 539 | ->get_classify_info();
|
---|
[1086] | 540 | $self->{'classifiers'}->{$node_name}->{'classifyinfo'}
|
---|
| 541 | = $classifyinfo;
|
---|
| 542 | $self->{'reclassifylist'}->{"CLASSIFY.$node_name"}
|
---|
| 543 | = $self->{'classifiers'}->{$node_name}->{'formattednode'};
|
---|
| 544 | }
|
---|
| 545 | }
|
---|
| 546 |
|
---|
| 547 |
|
---|
[1313] | 548 | sub alpha_numeric_cmp
|
---|
| 549 | {
|
---|
| 550 | my ($self,$a,$b) = @_;
|
---|
| 551 |
|
---|
| 552 | my $title_a = $self->{'reclassifylist'}->{$a};
|
---|
| 553 | my $title_b = $self->{'reclassifylist'}->{$b};
|
---|
[7175] | 554 |
|
---|
[1313] | 555 | if ($title_a =~ m/^(\d+(\.\d+)?)/)
|
---|
| 556 | {
|
---|
| 557 | my $val_a = $1;
|
---|
| 558 | if ($title_b =~ m/^(\d+(\.\d+)?)/)
|
---|
| 559 | {
|
---|
| 560 | my $val_b = $1;
|
---|
| 561 | if ($val_a != $val_b)
|
---|
| 562 | {
|
---|
| 563 | return ($val_a <=> $val_b);
|
---|
| 564 | }
|
---|
| 565 | }
|
---|
| 566 | }
|
---|
| 567 |
|
---|
| 568 | return ($title_a cmp $title_b);
|
---|
| 569 | }
|
---|
| 570 |
|
---|
[3303] | 571 | sub frequency_cmp
|
---|
| 572 | {
|
---|
| 573 | my ($self,$a,$b) = @_;
|
---|
| 574 |
|
---|
| 575 |
|
---|
| 576 | my $title_a = $self->{'reclassifylist'}->{$a};
|
---|
| 577 | my $title_b = $self->{'reclassifylist'}->{$b};
|
---|
| 578 |
|
---|
| 579 | my $a_freq = 1;
|
---|
| 580 | my $b_freq = 1;
|
---|
| 581 |
|
---|
| 582 | if ($a =~ m/^CLASSIFY\.(.*)$/)
|
---|
| 583 | {
|
---|
| 584 | my $a_node = $1;
|
---|
| 585 | my $a_nodeinfo = $self->{'classifiers'}->{$a_node}->{'classifyinfo'};
|
---|
| 586 | $a_freq = scalar(@{$a_nodeinfo->{'contains'}});
|
---|
| 587 | }
|
---|
| 588 |
|
---|
| 589 | if ($b =~ m/^CLASSIFY\.(.*)$/)
|
---|
| 590 | {
|
---|
| 591 | my $b_node = $1;
|
---|
| 592 | my $b_nodeinfo = $self->{'classifiers'}->{$b_node}->{'classifyinfo'};
|
---|
| 593 | $b_freq = scalar(@{$b_nodeinfo->{'contains'}});
|
---|
| 594 | }
|
---|
| 595 |
|
---|
| 596 | return $b_freq <=> $a_freq;
|
---|
| 597 | }
|
---|
| 598 |
|
---|
[1086] | 599 | sub get_classify_info {
|
---|
| 600 | my $self = shift (@_);
|
---|
| 601 |
|
---|
[7406] | 602 | my @classlist =keys %{$self->{'list_mvpair'}}; # list all doc oids
|
---|
[1086] | 603 |
|
---|
| 604 | my ($single_cl_ref,$multiple_cl_ref) = $self->reinit(\@classlist);
|
---|
| 605 | $self->reclassify($multiple_cl_ref);
|
---|
| 606 | $self->get_reclassify_info();
|
---|
| 607 |
|
---|
[3303] | 608 | my @reclassified_classlist;
|
---|
| 609 | if ($self->{'freqsort'})
|
---|
| 610 | {
|
---|
| 611 | @reclassified_classlist
|
---|
| 612 | = sort { $self->frequency_cmp($a,$b) } keys %{$self->{'reclassifylist'}};
|
---|
| 613 | # supress sub-grouping by alphabet
|
---|
| 614 | map { $self->{'reclassifylist'}->{$_} = "A".$self->{'reclassifylist'}; } keys %{$self->{'reclassifylist'}};
|
---|
| 615 | }
|
---|
| 616 | else
|
---|
| 617 | {
|
---|
| 618 | # @reclassified_classlist
|
---|
| 619 | # = sort {$self->{'reclassifylist'}->{$a} cmp $self->{'reclassifylist'}->{$b};} keys %{$self->{'reclassifylist'}};
|
---|
[1086] | 620 |
|
---|
[3529] | 621 | # alpha_numeric_cmp is slower than "cmp" but handles numbers better ...
|
---|
[1313] | 622 |
|
---|
[3303] | 623 | @reclassified_classlist
|
---|
[3529] | 624 | = sort { $self->alpha_numeric_cmp($a,$b) } keys %{$self->{'reclassifylist'}};
|
---|
[3303] | 625 |
|
---|
| 626 | }
|
---|
| 627 |
|
---|
[1086] | 628 | return $self->splitlist (\@reclassified_classlist);
|
---|
| 629 | }
|
---|
| 630 |
|
---|
[1313] | 631 | sub get_entry {
|
---|
| 632 | my $self = shift (@_);
|
---|
| 633 | my ($title, $childtype, $metaname, $thistype) = @_;
|
---|
| 634 | # organise into classification structure
|
---|
| 635 | my %classifyinfo = ('childtype'=>$childtype,
|
---|
| 636 | 'Title'=>$title,
|
---|
| 637 | 'contains'=>[],
|
---|
| 638 | 'mdtype'=>$metaname);
|
---|
| 639 |
|
---|
| 640 | $classifyinfo{'thistype'} = $thistype
|
---|
| 641 | if defined $thistype && $thistype =~ /\w/;
|
---|
| 642 |
|
---|
| 643 | return \%classifyinfo;
|
---|
| 644 | }
|
---|
| 645 |
|
---|
| 646 |
|
---|
| 647 |
|
---|
| 648 | # splitlist takes an ordered list of classifications (@$classlistref) and
|
---|
| 649 | # splits it up into alphabetical sub-sections.
|
---|
[1086] | 650 | sub splitlist {
|
---|
| 651 | my $self = shift (@_);
|
---|
| 652 | my ($classlistref) = @_;
|
---|
| 653 | my $classhash = {};
|
---|
| 654 |
|
---|
| 655 | # top level
|
---|
[10218] | 656 | my @metanames = split(/\/|\|/,$self->{'metadata'});
|
---|
[1313] | 657 | my $metaname = shift(@metanames);
|
---|
| 658 |
|
---|
[1086] | 659 | my $childtype = "HList";
|
---|
[1313] | 660 | $childtype = "VList" if (scalar (@$classlistref) <= $self->{'minnesting'});
|
---|
[1086] | 661 |
|
---|
[10218] | 662 | my $title = $self->{'buttonname'}; # should always be defined by now.
|
---|
[1313] | 663 | my $classifyinfo;
|
---|
| 664 | if (!defined($self->{'recopt'}))
|
---|
| 665 | {
|
---|
| 666 | $classifyinfo
|
---|
[1716] | 667 | = $self->get_entry ($title, $childtype, $metaname, "Invisible");
|
---|
[1313] | 668 | }
|
---|
| 669 | else
|
---|
| 670 | {
|
---|
| 671 | $classifyinfo
|
---|
| 672 | = $self->get_entry ($title, $childtype, $metaname, "VList");
|
---|
| 673 | }
|
---|
| 674 |
|
---|
| 675 | # don't need to do any splitting if there are less than 'minnesting' classifications
|
---|
| 676 | if ((scalar @$classlistref) <= $self->{'minnesting'}) {
|
---|
[10253] | 677 | foreach my $subOID (@$classlistref) {
|
---|
[1086] | 678 | if ($subOID =~ /^CLASSIFY\.(.*)$/
|
---|
| 679 | && defined $self->{'classifiers'}->{$1})
|
---|
| 680 | {
|
---|
| 681 | push (@{$classifyinfo->{'contains'}},
|
---|
| 682 | $self->{'classifiers'}->{$1}->{'classifyinfo'});
|
---|
| 683 | }
|
---|
| 684 | else
|
---|
| 685 | {
|
---|
[1313] | 686 | $subOID =~ s/^Metavalue_(\d+)\.//;
|
---|
| 687 | my $metaname_offset = $1 -1;
|
---|
| 688 | my $oid_rec = {'OID'=>$subOID, 'offset'=>$metaname_offset};
|
---|
| 689 | push (@{$classifyinfo->{'contains'}}, $oid_rec);
|
---|
[1086] | 690 | }
|
---|
| 691 | }
|
---|
| 692 | return $classifyinfo;
|
---|
| 693 | }
|
---|
| 694 |
|
---|
| 695 | # first split up the list into separate A-Z and 0-9 classifications
|
---|
[10253] | 696 | foreach my $classification (@$classlistref) {
|
---|
[1086] | 697 | my $title = $self->{'reclassifylist'}->{$classification};
|
---|
| 698 | $title =~ s/&(.){2,4};//g; # remove any HTML special chars
|
---|
[24691] | 699 | $title =~ s/^(\W|_)+//g; # remove leading non-word chars
|
---|
[3109] | 700 |
|
---|
[7406] | 701 | # only want first character for classification
|
---|
[7835] | 702 | $title =~ m/^(.)/; # always a char, or first byte of wide char?
|
---|
[7704] | 703 | if (defined($1) && $1 ne "") {
|
---|
[6482] | 704 | $title=$1;
|
---|
[24691] | 705 |
|
---|
| 706 | # remove any accents on initial character by mapping to Unicode's
|
---|
| 707 | # normalized decomposed form (accents follow initial letter)
|
---|
| 708 | # and then pick off the initial letter
|
---|
| 709 | my $title_decomposed = NFD($title);
|
---|
| 710 | $title = substr($title_decomposed,0,1);
|
---|
[6482] | 711 | } else {
|
---|
| 712 | print STDERR "no first character found for \"$title\" - \"" .
|
---|
| 713 | $self->{'reclassifylist'}->{$classification} . "\"\n";
|
---|
| 714 | }
|
---|
[1086] | 715 | $title =~ tr/[a-z]/[A-Z]/;
|
---|
| 716 |
|
---|
| 717 | if ($title =~ /^[0-9]$/) {$title = '0-9';}
|
---|
| 718 | elsif ($title !~ /^[A-Z]$/) {
|
---|
[1483] | 719 | my $outhandle = $self->{'outhandle'};
|
---|
| 720 | print $outhandle "AZCompactList: WARNING $classification has badly formatted title ($title)\n";
|
---|
[1086] | 721 | }
|
---|
| 722 | $classhash->{$title} = [] unless defined $classhash->{$title};
|
---|
| 723 | push (@{$classhash->{$title}}, $classification);
|
---|
| 724 | }
|
---|
| 725 | $classhash = $self->compactlist ($classhash);
|
---|
| 726 |
|
---|
| 727 | my @tmparr = ();
|
---|
[10253] | 728 | foreach my $subsection (sort keys (%$classhash)) {
|
---|
[1086] | 729 | push (@tmparr, $subsection);
|
---|
| 730 | }
|
---|
| 731 |
|
---|
| 732 | # if there's a 0-9 section it will have been sorted to the beginning
|
---|
| 733 | # but we want it at the end
|
---|
| 734 | if ($tmparr[0] eq '0-9') {
|
---|
| 735 | shift @tmparr;
|
---|
| 736 | push (@tmparr, '0-9');
|
---|
| 737 | }
|
---|
[10253] | 738 | foreach my $subclass (@tmparr)
|
---|
[1086] | 739 | {
|
---|
[3302] | 740 | my $tempclassify
|
---|
| 741 | = (scalar(@tmparr)==1)
|
---|
| 742 | ? ($self->get_entry(" ", "VList", $metaname))
|
---|
| 743 | : ($self->get_entry($subclass, "VList", $metaname));
|
---|
| 744 |
|
---|
| 745 |
|
---|
[10253] | 746 | foreach my $subsubOID (@{$classhash->{$subclass}})
|
---|
[1086] | 747 | {
|
---|
| 748 | if ($subsubOID =~ /^CLASSIFY\.(.*)$/
|
---|
| 749 | && defined $self->{'classifiers'}->{$1})
|
---|
| 750 | {
|
---|
[7835] | 751 | # this is a "bookshelf" node... >1 entry compacted
|
---|
[1086] | 752 | push (@{$tempclassify->{'contains'}},
|
---|
| 753 | $self->{'classifiers'}->{$1}->{'classifyinfo'});
|
---|
[7835] | 754 | # set the metadata field name, for mdoffset to work
|
---|
| 755 | $self->{'classifiers'}->{$1}->{'classifyinfo'}->{'mdtype'}=
|
---|
| 756 | $metaname;
|
---|
[1086] | 757 | }
|
---|
| 758 | else
|
---|
| 759 | {
|
---|
[1313] | 760 | $subsubOID =~ s/^Metavalue_(\d+)\.//;
|
---|
[7835] | 761 | # record the offset if this metadata type has multiple values
|
---|
[1313] | 762 | my $metaname_offset = $1 -1;
|
---|
| 763 | my $oid_rec = {'OID'=>$subsubOID, 'offset'=>$metaname_offset};
|
---|
| 764 | push (@{$tempclassify->{'contains'}}, $oid_rec);
|
---|
[1086] | 765 | }
|
---|
| 766 | }
|
---|
| 767 | push (@{$classifyinfo->{'contains'}}, $tempclassify);
|
---|
| 768 | }
|
---|
| 769 |
|
---|
| 770 | return $classifyinfo;
|
---|
| 771 | }
|
---|
| 772 |
|
---|
[1313] | 773 | sub compactlist {
|
---|
| 774 | my $self = shift (@_);
|
---|
| 775 | my ($classhashref) = @_;
|
---|
| 776 | my $compactedhash = {};
|
---|
| 777 | my @currentOIDs = ();
|
---|
| 778 | my $currentfirstletter = "";
|
---|
| 779 | my $currentlastletter = "";
|
---|
| 780 | my $lastkey = "";
|
---|
| 781 |
|
---|
| 782 | # minimum and maximum documents to be displayed per page.
|
---|
| 783 | # the actual maximum will be max + (min-1).
|
---|
| 784 | # the smallest sub-section is a single letter at present
|
---|
| 785 | # so in this case there may be many times max documents
|
---|
| 786 | # displayed on a page.
|
---|
| 787 | my $min = $self->{'mincompact'};
|
---|
| 788 | my $max = $self->{'maxcompact'};
|
---|
| 789 |
|
---|
[10253] | 790 | foreach my $subsection (sort keys %$classhashref) {
|
---|
[1313] | 791 | if ($subsection eq '0-9') {
|
---|
| 792 | @{$compactedhash->{$subsection}} = @{$classhashref->{$subsection}};
|
---|
| 793 | next;
|
---|
| 794 | }
|
---|
| 795 | $currentfirstletter = $subsection if $currentfirstletter eq "";
|
---|
| 796 | if ((scalar (@currentOIDs) < $min) ||
|
---|
| 797 | ((scalar (@currentOIDs) + scalar (@{$classhashref->{$subsection}})) <= $max)) {
|
---|
| 798 | push (@currentOIDs, @{$classhashref->{$subsection}});
|
---|
| 799 | $currentlastletter = $subsection;
|
---|
| 800 | } else {
|
---|
| 801 |
|
---|
| 802 | if ($currentfirstletter eq $currentlastletter) {
|
---|
| 803 | @{$compactedhash->{$currentfirstletter}} = @currentOIDs;
|
---|
| 804 | $lastkey = $currentfirstletter;
|
---|
| 805 | } else {
|
---|
| 806 | @{$compactedhash->{"$currentfirstletter-$currentlastletter"}} = @currentOIDs;
|
---|
| 807 | $lastkey = "$currentfirstletter-$currentlastletter";
|
---|
| 808 | }
|
---|
| 809 | if (scalar (@{$classhashref->{$subsection}}) >= $max) {
|
---|
| 810 | $compactedhash->{$subsection} = $classhashref->{$subsection};
|
---|
| 811 | @currentOIDs = ();
|
---|
| 812 | $currentfirstletter = "";
|
---|
[6084] | 813 | $lastkey=$subsection;
|
---|
[1313] | 814 | } else {
|
---|
| 815 | @currentOIDs = @{$classhashref->{$subsection}};
|
---|
| 816 | $currentfirstletter = $subsection;
|
---|
| 817 | $currentlastletter = $subsection;
|
---|
| 818 | }
|
---|
| 819 | }
|
---|
| 820 | }
|
---|
| 821 |
|
---|
| 822 | # add final OIDs to last sub-classification if there aren't many otherwise
|
---|
| 823 | # add final sub-classification
|
---|
[5790] | 824 |
|
---|
| 825 | # don't add if there aren't any oids
|
---|
| 826 | if (! scalar (@currentOIDs)) {return $compactedhash;}
|
---|
| 827 |
|
---|
[1313] | 828 | if (scalar (@currentOIDs) < $min) {
|
---|
| 829 | my ($newkey) = $lastkey =~ /^(.)/;
|
---|
| 830 | @currentOIDs = (@{$compactedhash->{$lastkey}}, @currentOIDs);
|
---|
| 831 | delete $compactedhash->{$lastkey};
|
---|
| 832 | @{$compactedhash->{"$newkey-$currentlastletter"}} = @currentOIDs;
|
---|
| 833 | } else {
|
---|
| 834 | if ($currentfirstletter eq $currentlastletter) {
|
---|
| 835 | @{$compactedhash->{$currentfirstletter}} = @currentOIDs;
|
---|
| 836 | } else {
|
---|
| 837 | @{$compactedhash->{"$currentfirstletter-$currentlastletter"}} = @currentOIDs;
|
---|
| 838 | }
|
---|
| 839 | }
|
---|
| 840 |
|
---|
| 841 | return $compactedhash;
|
---|
| 842 | }
|
---|
| 843 |
|
---|
[1086] | 844 | 1;
|
---|
[1313] | 845 |
|
---|
| 846 |
|
---|