| 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 |
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| 26 | # classifier plugin for sorting alphabetically
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| 27 | # options are:
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| 28 | #
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| 29 | # metadata=Metaname -- all documents with Metaname metadata
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| 30 | # will be included in list, list will be sorted
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| 31 | # by this element.
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| 32 | # buttonname=Title -- (optional) the title field for this classification.
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| 33 | # if not included title field will be Metaname.
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| 34 | # mingroup=Num -- (optional) the smallest value that will cause
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| 35 | # a group in the hierarchy to form.
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| 36 | # minnesting=Num -- (optional) the smallest value that will cause a
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| 37 | # list to converted into nested list
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| 38 | # mincompact=Num -- (optional) used in compact list
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| 39 | # maxcompact=Num -- (optional) used in compact list
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| 40 | # doclevel=top|section -- (optional) level to process document at.
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| 41 | # onlyfirst -- (optional) control whether all or only first
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| 42 | # metadata value used from array of metadata
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| 43 | package AZCompactList;
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| 44 |
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| 45 | use BasClas;
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| 46 | use sorttools;
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| 47 |
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| 48 | sub BEGIN {
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| 49 | @ISA = ('BasClas');
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| 50 | }
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| 51 |
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| 52 | my $doclevel_list =
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| 53 | [ { 'name' => "top",
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| 54 | 'desc' => "Whole document." } ,
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| 55 | { 'name' => "section",
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| 56 | 'desc' => "By sections." } ];
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| 57 |
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| 58 | my $arguments =
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| 59 | [ { 'name' => "metadata",
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| 60 | 'desc' => "Metadata field used for classification. List will be sorted by this element.",
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| 61 | 'type' => "metadata",
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| 62 | 'reqd' => "yes" },
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| 63 | { 'name' => "buttonname",
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| 64 | 'desc' => "Button name for this classification.",
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| 65 | 'type' => "string",
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| 66 | 'deft' => "Metadata element specified with -metadata",
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| 67 | 'reqd' => "no" },
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| 68 | { 'name' => "removeprefix",
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| 69 | 'desc' => "A prefix to ignore in the Metadata values for the field when sorting.",
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| 70 | 'type' => "string",
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| 71 | 'deft' => "",
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| 72 | 'reqd' => "no" },
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| 73 | { 'name' => "removesuffix",
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| 74 | 'desc' => "A suffix to ignore in the Metadata values for the field when sorting.",
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| 75 | 'type' => "string",
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| 76 | 'deft' => "",
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| 77 | 'reqd' => "no" },
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| 78 | { 'name' => "mingroup",
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| 79 | 'desc' => "The smallest value that will cause a group in the hierarchy to form.",
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| 80 | 'type' => "int",
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| 81 | 'deft' => "2",
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| 82 | 'reqd' => "no" },
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| 83 | { 'name' => "minnesting",
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| 84 | 'desc' => "The smallest value that will cause a list to converted into nested list.",
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| 85 | 'type' => "int",
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| 86 | 'deft' => "20",
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| 87 | 'reqd' => "no" },
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| 88 | { 'name' => "mincompact",
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| 89 | 'desc' => "Minimum number of documents to be displayed per page.",
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| 90 | 'type' => "int",
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| 91 | 'deft' => "10",
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| 92 | 'reqd' => "no" },
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| 93 | { 'name' => "maxcompact",
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| 94 | 'desc' => "Maximum number of documents to be displayed per page.",
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| 95 | 'type' => "int",
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| 96 | 'deft' => "30",
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| 97 | 'reqd' => "no" },
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| 98 | { 'name' => "doclevel",
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| 99 | 'desc' => "Level to process document at.",
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| 100 | 'type' => "enum",
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| 101 | 'list' => $doclevel_list,
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| 102 | 'deft' => "top",
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| 103 | 'reqd' => "no" },
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| 104 | { 'name' => "onlyfirst",
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| 105 | 'desc' => "Control whether all or only first metadata value used from array of metadata.",
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| 106 | 'type' => "flag",
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| 107 | 'reqd' => "no" },
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| 108 | { 'name' => "freqsort",
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| 109 | 'desc' => "Sort by node frequency rather than alpha-numeric.",
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| 110 | 'type' => "flag"},
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| 111 | { 'name' => "recopt",
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| 112 | 'desc' => "?",
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| 113 | 'type' => "string",
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| 114 | 'deft' => "" } ];
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| 115 |
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| 116 | my $options =
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| 117 | { 'name' => "AZCompactList",
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| 118 | 'desc' => "Classifier plugin for sorting alphabetically",
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| 119 | 'inherits' => "Yes",
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| 120 | 'args' => $arguments };
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| 121 |
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| 122 | # sub print_usage {
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| 123 | # print STDERR "
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| 124 | # usage: classify AZCompactList -metadata X [options]
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| 125 | # options:
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| 126 | # -metadata X (required) Metadata field used for classification
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| 127 | # -buttonname X Title to use on web pages (defaults to metadata)
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| 128 | # -removeprefix regex pattern to remove from metadata before sorting
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| 129 | # -doclevel top|section (Defaults to top)
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| 130 | # -freqsort Sort by node frequency rather than alpha-numeric
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| 131 | # -mingroup N Minimum num of documents required to form a new group
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| 132 | # -minnesting N Minimum list size to become a nested list
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| 133 | # -mincompact N Used in compact list
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| 134 | # -maxcompact N Used in compact list
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| 135 | # -onlyfirst Only use the first value if metadata is repeated.
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| 136 | # -recopt
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| 137 | # ";
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| 138 | # }
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| 139 |
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| 140 | sub new {
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| 141 | my $class = shift (@_);
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| 142 | my $self = new BasClas($class, @_);
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| 143 |
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| 144 | # 14-05-02 To allow for proper inheritance of arguments - John Thompson
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| 145 | my $option_list = $self->{'option_list'};
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| 146 | push( @{$option_list}, $options );
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| 147 |
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| 148 |
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| 149 | my ($metaname, $title, $removeprefix, $removesuffix);
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| 150 | my $mingroup = 2;
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| 151 | my $minnesting = 20;
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| 152 | my $mincompact = 10;
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| 153 | my $maxcompact = 30;
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| 154 | my $doclevel = "top";
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| 155 | my $onlyfirst = 0;
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| 156 | my $freqsort = 0;
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| 157 | my $recopt = undef;
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| 158 |
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| 159 | if (!parsargv::parse(\@_,
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| 160 | q^metadata/.*/^, \$metaname,
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| 161 | q^buttonname/.*/^, \$title,
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| 162 | q^removeprefix/.*/^, \$removeprefix,
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| 163 | q^removesuffix/.*/^, \$removesuffix,
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| 164 | q^mingroup/.*/2^, \$mingroup,
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| 165 | q^minnesting/.*/20^, \$minnesting,
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| 166 | q^mincompact/.*/10^, \$mincompact,
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| 167 | q^maxcompact/.*/30^, \$maxcompact,
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| 168 | q^doclevel/.*/top^, \$doclevel,
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| 169 | q^onlyfirst/.*/0^, \$onlyfirst,
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| 170 | q^freqsort/.*/0^, \$freqsort,
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| 171 | q^recopt/.*/-1^, \$recopt,
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| 172 |
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| 173 | "allow_extra_options")) {
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| 174 |
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| 175 | print STDERR "\nIncorrect options passed to $class, check your collect.cfg file\n";
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| 176 | $self->print_txt_usage();
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| 177 | die "\n";
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| 178 | }
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| 179 |
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| 180 | if (!defined $metaname) {
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| 181 | my $outhandle = $self->{'outhandle'};
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| 182 | print $outhandle "AZCompactList used with no metadata name to classify by\n";
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| 183 | die "\n";
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| 184 | }
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| 185 |
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| 186 | $title = $metaname unless ($title);
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| 187 |
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| 188 | $self->{'list'} = {};
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| 189 | $self->{'listmetavalue'} = {};
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| 190 | $self->{'reclassify'} = {};
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| 191 | $self->{'reclassifylist'} = {};
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| 192 | $self->{'metaname'} = $metaname;
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| 193 | $self->{'title'} = "$title"; # title for the titlebar.
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| 194 | if (defined($removeprefix) && $removeprefix) {
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| 195 | $removeprefix =~ s/^\^//; # don't need a leading ^
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| 196 | $self->{'removeprefix'} = $removeprefix;
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| 197 | }
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| 198 | if (defined($removesuffix) && $removesuffix) {
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| 199 | $removesuffix =~ s/\$$//; # don't need a trailing $
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| 200 | $self->{'removesuffix'} = $removesuffix;
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| 201 | }
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| 202 | $self->{'mingroup'} = $mingroup;
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| 203 | $self->{'minnesting'} = $minnesting;
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| 204 | $self->{'mincompact'} = $mincompact;
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| 205 | $self->{'maxcompact'} = $maxcompact;
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| 206 | $self->{'doclevel'} = $doclevel;
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| 207 |
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| 208 | if ($onlyfirst != 0) {
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| 209 | $onlyfirst = 1;
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| 210 | }
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| 211 | $self->{'onlyfirst'} = $onlyfirst;
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| 212 |
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| 213 | if ($freqsort != 0) {
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| 214 | $freqsort = 1;
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| 215 | }
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| 216 | $self->{'freqsort'} = $freqsort;
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| 217 |
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| 218 | if ($recopt == -1) {
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| 219 | $recopt = undef;
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| 220 | } else {
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| 221 | $recopt = "on";
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| 222 | }
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| 223 | $self->{'recopt'} = $recopt;
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| 224 |
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| 225 | return bless $self, $class;
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| 226 | }
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| 227 |
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| 228 | sub init
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| 229 | {
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| 230 | my $self = shift (@_);
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| 231 |
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| 232 | $self->{'list'} = {};
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| 233 | $self->{'listmetavalue'} = {};
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| 234 | $self->{'reclassify'} = {};
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| 235 | $self->{'reclassifylist'} = {};
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| 236 | }
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| 237 |
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| 238 | $tmp = 0;
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| 239 |
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| 240 | sub classify
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| 241 | {
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| 242 | my $self = shift (@_);
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| 243 | my ($doc_obj) = @_;
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| 244 |
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| 245 | my $doc_OID = $doc_obj->get_OID();
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| 246 |
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| 247 | my @sectionlist = ();
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| 248 | my $topsection = $doc_obj->get_top_section();
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| 249 |
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| 250 | my $metaname = $self->{'metaname'};
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| 251 | my $outhandle = $self->{'outhandle'};
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| 252 |
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| 253 | $metaname =~ s/(\/.*)//; # grab first name in n1/n2/n3 list
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| 254 |
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| 255 | if ($self->{'doclevel'} =~ /^top(level)?/i)
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| 256 | {
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| 257 | push(@sectionlist,$topsection);
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| 258 | }
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| 259 | else
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| 260 | {
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| 261 | my $thissection = $doc_obj->get_next_section($topsection);
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| 262 | while (defined $thissection)
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| 263 | {
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| 264 | push(@sectionlist,$thissection);
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| 265 | $thissection = $doc_obj->get_next_section ($thissection);
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| 266 | }
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| 267 | }
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| 268 |
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| 269 | my $thissection;
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| 270 | foreach $thissection (@sectionlist)
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| 271 | {
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| 272 | my $full_doc_OID
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| 273 | = ($thissection ne "") ? "$doc_OID.$thissection" : $doc_OID;
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| 274 |
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| 275 | if (defined $self->{'list'}->{$full_doc_OID})
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| 276 | {
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| 277 | print $outhandle "WARNING: AZCompactList::classify called multiple times for $full_doc_OID\n";
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| 278 | }
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| 279 | $self->{'list'}->{$full_doc_OID} = [];
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| 280 | $self->{'listmetavalue'}->{$full_doc_OID} = [];
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| 281 |
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| 282 | my $metavalues = $doc_obj->get_metadata($thissection,$metaname);
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| 283 | my $metavalue;
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| 284 | foreach $metavalue (@$metavalues)
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| 285 | {
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| 286 | # if this document doesn't contain the metadata element we're
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| 287 | # sorting by we won't include it in this classification
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| 288 | if (defined $metavalue && $metavalue =~ /\w/)
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| 289 | {
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| 290 | if (defined($self->{'removeprefix'}) &&
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| 291 | length($self->{'removeprefix'})) {
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| 292 | $metavalue =~ s/^$self->{'removeprefix'}//;
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| 293 |
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| 294 | # check that it's not now empty
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| 295 | if (!$metavalue) {next;}
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| 296 | }
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| 297 |
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| 298 | if (defined($self->{'removesuffix'}) &&
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| 299 | length($self->{'removesuffix'})) {
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| 300 | $metavalue =~ s/$self->{'removesuffix'}$//;
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| 301 |
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| 302 | # check that it's not now empty
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| 303 | if (!$metavalue) {next;}
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| 304 | }
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| 305 |
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| 306 | my $formatted_metavalue = $metavalue;
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| 307 |
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| 308 | if ($self->{'metaname'} =~ m/^Creator(:.*)?$/)
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| 309 | {
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| 310 | &sorttools::format_string_name_english (\$formatted_metavalue);
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| 311 | }
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| 312 | else
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| 313 | {
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| 314 | &sorttools::format_string_english (\$formatted_metavalue);
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| 315 | }
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| 316 |
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| 317 | #### prefix-str
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| 318 | if (! defined($formatted_metavalue)) {
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| 319 | print $outhandle "Warning: AZCompactList: metavalue is ";
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| 320 | print $outhandle "empty\n";
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| 321 | $formatted_metavalue="";
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| 322 | }
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| 323 |
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| 324 | push(@{$self->{'list'}->{$full_doc_OID}},$formatted_metavalue);
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| 325 | push(@{$self->{'listmetavalue'}->{$full_doc_OID}} ,$metavalue);
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| 326 |
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| 327 | last if ($self->{'onlyfirst'});
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| 328 | }
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| 329 | }
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| 330 | my $date = $doc_obj->get_metadata_element($thissection,"Date");
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| 331 | $self->{'reclassify'}->{$full_doc_OID} = [$doc_obj,$date];
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| 332 | }
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| 333 | }
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| 334 |
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| 335 | sub reinit
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| 336 | {
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| 337 | my ($self,$classlist_ref) = @_;
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| 338 | my $outhandle = $self->{'outhandle'};
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| 339 |
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| 340 | my %mtfreq = ();
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| 341 | my @single_classlist = ();
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| 342 | my @multiple_classlist = ();
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| 343 |
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| 344 | # find out how often each metavalue occurs
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| 345 | map
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| 346 | {
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| 347 | my $mv;
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| 348 | foreach $mv (@{$self->{'listmetavalue'}->{$_}} )
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| 349 | {
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| 350 | $mtfreq{$mv}++;
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| 351 | }
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| 352 | } @$classlist_ref;
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| 353 |
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| 354 | # use this information to split the list: single metavalue/repeated value
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| 355 | map
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| 356 | {
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| 357 | my $i = 1;
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| 358 | my $metavalue;
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| 359 | foreach $metavalue (@{$self->{'listmetavalue'}->{$_}})
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| 360 | {
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| 361 | if ($mtfreq{$metavalue} >= $self->{'mingroup'})
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| 362 | {
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| 363 | push(@multiple_classlist,[$_,$i,$metavalue]);
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| 364 | }
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| 365 | else
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| 366 | {
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| 367 | push(@single_classlist,[$_,$metavalue]);
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| 368 | $metavalue =~ tr/[A-Z]/[a-z]/;
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| 369 | $self->{'reclassifylist'}->{"Metavalue_$i.$_"} = $metavalue;
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| 370 | }
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| 371 | $i++;
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| 372 | }
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| 373 | } @$classlist_ref;
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| 374 |
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| 375 |
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| 376 | # Setup sub-classifiers for multiple list
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| 377 |
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| 378 | $self->{'classifiers'} = {};
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| 379 |
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| 380 | my $pm;
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| 381 | foreach $pm ("List", "SectionList")
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| 382 | {
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| 383 | my $listname
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| 384 | = &util::filename_cat($ENV{'GSDLHOME'},"perllib/classify/$pm.pm");
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| 385 | if (-e $listname) { require $listname; }
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| 386 | else
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| 387 | {
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| 388 | print $outhandle "AZCompactList ERROR - couldn't find classifier \"$listname\"\n";
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| 389 | die "\n";
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| 390 | }
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| 391 | }
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| 392 |
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| 393 | # Create classifiers objects for each entry >= mingroup
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| 394 | my $metavalue;
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| 395 | foreach $metavalue (keys %mtfreq)
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| 396 | {
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| 397 | if ($mtfreq{$metavalue} >= $self->{'mingroup'})
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| 398 | {
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| 399 | my $listclassobj;
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| 400 | my $doclevel = $self->{'doclevel'};
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| 401 | my $metaname = $self->{'metaname'};
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| 402 | my @metaname_list = split('/',$metaname);
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| 403 | $metaname = shift(@metaname_list);
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| 404 | if (@metaname_list==0)
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| 405 | {
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| 406 | my @args;
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| 407 | push @args, ("-metadata", "$metaname");
|
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| 408 | # buttonname is also used for the node's title
|
|---|
| 409 | push @args, ("-buttonname", "$metavalue");
|
|---|
| 410 | push @args, ("-sort", "Date");
|
|---|
| 411 |
|
|---|
| 412 | if ($doclevel =~ m/^top(level)?/i)
|
|---|
| 413 | {
|
|---|
| 414 | eval ("\$listclassobj = new List(\@args)"); warn $@ if $@;
|
|---|
| 415 | }
|
|---|
| 416 | else
|
|---|
| 417 | {
|
|---|
| 418 | eval ("\$listclassobj = new SectionList(\@args)");
|
|---|
| 419 | }
|
|---|
| 420 | }
|
|---|
| 421 | else
|
|---|
| 422 | {
|
|---|
| 423 | $metaname = join('/',@metaname_list);
|
|---|
| 424 |
|
|---|
| 425 | my @args;
|
|---|
| 426 | push @args, ("-metadata", "$metaname");
|
|---|
| 427 | # buttonname is also used for the node's title
|
|---|
| 428 | push @args, ("-buttonname", "$metavalue");
|
|---|
| 429 | push @args, ("-doclevel", "$doclevel");
|
|---|
| 430 | push @args, "-recopt";
|
|---|
| 431 |
|
|---|
| 432 | eval ("\$listclassobj = new AZCompactList(\@args)");
|
|---|
| 433 | }
|
|---|
| 434 | if ($@) {
|
|---|
| 435 | print $outhandle "$@";
|
|---|
| 436 | die "\n";
|
|---|
| 437 | }
|
|---|
| 438 |
|
|---|
| 439 | $listclassobj->init();
|
|---|
| 440 |
|
|---|
| 441 | if (defined $metavalue && $metavalue =~ /\w/)
|
|---|
| 442 | {
|
|---|
| 443 | my $formatted_node = $metavalue;
|
|---|
| 444 |
|
|---|
| 445 | if (defined($self->{'removeprefix'}) &&
|
|---|
| 446 | length($self->{'removeprefix'})) {
|
|---|
| 447 | $formatted_node =~ s/^$self->{'removeprefix'}//;
|
|---|
| 448 | # check that it's not now empty
|
|---|
| 449 | if (!$formatted_node) {next;}
|
|---|
| 450 | }
|
|---|
| 451 | if (defined($self->{'removesuffix'}) &&
|
|---|
| 452 | length($self->{'removesuffix'})) {
|
|---|
| 453 | $formatted_node =~ s/$self->{'removesuffix'}$//;
|
|---|
| 454 | # check that it's not now empty
|
|---|
| 455 | if (!$formatted_node) {next;}
|
|---|
| 456 | }
|
|---|
| 457 |
|
|---|
| 458 | if ($self->{'metaname'} =~ m/^Creator(:.*)?$/)
|
|---|
| 459 | {
|
|---|
| 460 | &sorttools::format_string_name_english(\$formatted_node);
|
|---|
| 461 | }
|
|---|
| 462 | else
|
|---|
| 463 | {
|
|---|
| 464 | &sorttools::format_string_english(\$formatted_node);
|
|---|
| 465 | }
|
|---|
| 466 |
|
|---|
| 467 | # In case our formatted string is empty...
|
|---|
| 468 | if (! defined($formatted_node)) {
|
|---|
| 469 | print $outhandle "Warning: AZCompactList: metavalue is ";
|
|---|
| 470 | print $outhandle "empty\n";
|
|---|
| 471 | $formatted_node="";
|
|---|
| 472 | }
|
|---|
| 473 |
|
|---|
| 474 | $self->{'classifiers'}->{$metavalue}
|
|---|
| 475 | = { 'classifyobj' => $listclassobj,
|
|---|
| 476 | 'formattednode' => $formatted_node };
|
|---|
| 477 | }
|
|---|
| 478 | }
|
|---|
| 479 | }
|
|---|
| 480 |
|
|---|
| 481 |
|
|---|
| 482 | return (\@single_classlist,\@multiple_classlist);
|
|---|
| 483 | }
|
|---|
| 484 |
|
|---|
| 485 |
|
|---|
| 486 | sub reclassify
|
|---|
| 487 | {
|
|---|
| 488 | my ($self,$multiple_cl_ref) = @_;
|
|---|
| 489 |
|
|---|
| 490 | # Entries in the current classify list that are "book nodes"
|
|---|
| 491 | # should be recursively classified.
|
|---|
| 492 | #--
|
|---|
| 493 | foreach $dm_pair (@$multiple_cl_ref)
|
|---|
| 494 | {
|
|---|
| 495 | my ($doc_OID,$mdoffset,$metavalue) = @$dm_pair;
|
|---|
| 496 | my $listclassobj;
|
|---|
| 497 |
|
|---|
| 498 | # find metavalue in list of sub-classifiers
|
|---|
| 499 | my $found = 0;
|
|---|
| 500 | my $node_name;
|
|---|
| 501 | foreach $node_name (keys %{$self->{'classifiers'}})
|
|---|
| 502 | {
|
|---|
| 503 | $resafe_node_name = $node_name;
|
|---|
| 504 | # escape chars that mean something to perl...
|
|---|
| 505 | $resafe_node_name =~ s/([\\\(\)\[\]\{\}\^\$\.\+\*\?\|])/\\$1/g;
|
|---|
| 506 | if ($metavalue =~ m/^$resafe_node_name$/i)
|
|---|
| 507 | {
|
|---|
| 508 | my ($doc_obj,$date) = @{$self->{'reclassify'}->{$doc_OID}};
|
|---|
| 509 |
|
|---|
| 510 | ## date appears to not be used in classifier call ####
|
|---|
| 511 |
|
|---|
| 512 | if ($doc_OID =~ m/^[^\.]*\.([\d\.]+)$/)
|
|---|
| 513 | {
|
|---|
| 514 | my $section=$1;
|
|---|
| 515 | if ($self->{'doclevel'} =~ m/^top/i) { # toplevel
|
|---|
| 516 | $self->{'classifiers'}->{$node_name}->{'classifyobj'}
|
|---|
| 517 | ->classify($doc_obj, "Section=$section");
|
|---|
| 518 | } else { # section level
|
|---|
| 519 | # Thanks to Don Gourley for this...
|
|---|
| 520 | # classify can't handle multi-level section
|
|---|
| 521 | $self->{'classifiers'}->{$node_name}->{'classifyobj'}
|
|---|
| 522 | ->classify_section($section, $doc_obj, $date);
|
|---|
| 523 | }
|
|---|
| 524 | }
|
|---|
| 525 | else
|
|---|
| 526 | {
|
|---|
| 527 | $self->{'classifiers'}->{$node_name}->{'classifyobj'}
|
|---|
| 528 | ->classify($doc_obj);
|
|---|
| 529 | }
|
|---|
| 530 |
|
|---|
| 531 | $found = 1;
|
|---|
| 532 | last;
|
|---|
| 533 | }
|
|---|
| 534 | }
|
|---|
| 535 |
|
|---|
| 536 | if (!$found)
|
|---|
| 537 | {
|
|---|
| 538 | my $outhandle=$self->{outhandle};
|
|---|
| 539 | print $outhandle "Warning: AZCompactList::reclassify ";
|
|---|
| 540 | print $outhandle "could not find sub-node for metadata=`$metavalue' with doc_OID $doc_OID\n";
|
|---|
| 541 | }
|
|---|
| 542 | }
|
|---|
| 543 | }
|
|---|
| 544 |
|
|---|
| 545 |
|
|---|
| 546 |
|
|---|
| 547 | sub get_reclassify_info
|
|---|
| 548 | {
|
|---|
| 549 | my $self = shift (@_);
|
|---|
| 550 |
|
|---|
| 551 | my $node_name;
|
|---|
| 552 | foreach $node_name (keys %{$self->{'classifiers'}})
|
|---|
| 553 | {
|
|---|
| 554 | my $classifyinfo
|
|---|
| 555 | = $self->{'classifiers'}->{$node_name}->{'classifyobj'}
|
|---|
| 556 | ->get_classify_info();
|
|---|
| 557 | $self->{'classifiers'}->{$node_name}->{'classifyinfo'}
|
|---|
| 558 | = $classifyinfo;
|
|---|
| 559 | $self->{'reclassifylist'}->{"CLASSIFY.$node_name"}
|
|---|
| 560 | = $self->{'classifiers'}->{$node_name}->{'formattednode'};
|
|---|
| 561 | }
|
|---|
| 562 | }
|
|---|
| 563 |
|
|---|
| 564 |
|
|---|
| 565 | sub alpha_numeric_cmp
|
|---|
| 566 | {
|
|---|
| 567 | my ($self,$a,$b) = @_;
|
|---|
| 568 |
|
|---|
| 569 | my $title_a = $self->{'reclassifylist'}->{$a};
|
|---|
| 570 | my $title_b = $self->{'reclassifylist'}->{$b};
|
|---|
| 571 |
|
|---|
| 572 | if ($title_a =~ m/^(\d+(\.\d+)?)/)
|
|---|
| 573 | {
|
|---|
| 574 | my $val_a = $1;
|
|---|
| 575 | if ($title_b =~ m/^(\d+(\.\d+)?)/)
|
|---|
| 576 | {
|
|---|
| 577 | my $val_b = $1;
|
|---|
| 578 | if ($val_a != $val_b)
|
|---|
| 579 | {
|
|---|
| 580 | return ($val_a <=> $val_b);
|
|---|
| 581 | }
|
|---|
| 582 | }
|
|---|
| 583 | }
|
|---|
| 584 |
|
|---|
| 585 | return ($title_a cmp $title_b);
|
|---|
| 586 | }
|
|---|
| 587 |
|
|---|
| 588 | sub frequency_cmp
|
|---|
| 589 | {
|
|---|
| 590 | my ($self,$a,$b) = @_;
|
|---|
| 591 |
|
|---|
| 592 |
|
|---|
| 593 | my $title_a = $self->{'reclassifylist'}->{$a};
|
|---|
| 594 | my $title_b = $self->{'reclassifylist'}->{$b};
|
|---|
| 595 |
|
|---|
| 596 | my $a_freq = 1;
|
|---|
| 597 | my $b_freq = 1;
|
|---|
| 598 |
|
|---|
| 599 | if ($a =~ m/^CLASSIFY\.(.*)$/)
|
|---|
| 600 | {
|
|---|
| 601 | my $a_node = $1;
|
|---|
| 602 | my $a_nodeinfo = $self->{'classifiers'}->{$a_node}->{'classifyinfo'};
|
|---|
| 603 | $a_freq = scalar(@{$a_nodeinfo->{'contains'}});
|
|---|
| 604 | }
|
|---|
| 605 |
|
|---|
| 606 | if ($b =~ m/^CLASSIFY\.(.*)$/)
|
|---|
| 607 | {
|
|---|
| 608 | my $b_node = $1;
|
|---|
| 609 | my $b_nodeinfo = $self->{'classifiers'}->{$b_node}->{'classifyinfo'};
|
|---|
| 610 | $b_freq = scalar(@{$b_nodeinfo->{'contains'}});
|
|---|
| 611 | }
|
|---|
| 612 |
|
|---|
| 613 | return $b_freq <=> $a_freq;
|
|---|
| 614 | }
|
|---|
| 615 |
|
|---|
| 616 | sub get_classify_info {
|
|---|
| 617 | my $self = shift (@_);
|
|---|
| 618 |
|
|---|
| 619 | my @classlist =keys %{$self->{'list'}}; # list all doc oids
|
|---|
| 620 |
|
|---|
| 621 | my ($single_cl_ref,$multiple_cl_ref) = $self->reinit(\@classlist);
|
|---|
| 622 | $self->reclassify($multiple_cl_ref);
|
|---|
| 623 | $self->get_reclassify_info();
|
|---|
| 624 |
|
|---|
| 625 | my @reclassified_classlist;
|
|---|
| 626 | if ($self->{'freqsort'})
|
|---|
| 627 | {
|
|---|
| 628 | @reclassified_classlist
|
|---|
| 629 | = sort { $self->frequency_cmp($a,$b) } keys %{$self->{'reclassifylist'}};
|
|---|
| 630 | # supress sub-grouping by alphabet
|
|---|
| 631 | map { $self->{'reclassifylist'}->{$_} = "A".$self->{'reclassifylist'}; } keys %{$self->{'reclassifylist'}};
|
|---|
| 632 | }
|
|---|
| 633 | else
|
|---|
| 634 | {
|
|---|
| 635 | # @reclassified_classlist
|
|---|
| 636 | # = sort {$self->{'reclassifylist'}->{$a} cmp $self->{'reclassifylist'}->{$b};} keys %{$self->{'reclassifylist'}};
|
|---|
| 637 |
|
|---|
| 638 | # alpha_numeric_cmp is slower than "cmp" but handles numbers better ...
|
|---|
| 639 |
|
|---|
| 640 | @reclassified_classlist
|
|---|
| 641 | = sort { $self->alpha_numeric_cmp($a,$b) } keys %{$self->{'reclassifylist'}};
|
|---|
| 642 |
|
|---|
| 643 | }
|
|---|
| 644 |
|
|---|
| 645 | return $self->splitlist (\@reclassified_classlist);
|
|---|
| 646 | }
|
|---|
| 647 |
|
|---|
| 648 | sub get_entry {
|
|---|
| 649 | my $self = shift (@_);
|
|---|
| 650 | my ($title, $childtype, $metaname, $thistype) = @_;
|
|---|
| 651 |
|
|---|
| 652 | # organise into classification structure
|
|---|
| 653 | my %classifyinfo = ('childtype'=>$childtype,
|
|---|
| 654 | 'Title'=>$title,
|
|---|
| 655 | 'contains'=>[],
|
|---|
| 656 | 'mdtype'=>$metaname);
|
|---|
| 657 |
|
|---|
| 658 | $classifyinfo{'thistype'} = $thistype
|
|---|
| 659 | if defined $thistype && $thistype =~ /\w/;
|
|---|
| 660 |
|
|---|
| 661 | return \%classifyinfo;
|
|---|
| 662 | }
|
|---|
| 663 |
|
|---|
| 664 |
|
|---|
| 665 |
|
|---|
| 666 | # splitlist takes an ordered list of classifications (@$classlistref) and
|
|---|
| 667 | # splits it up into alphabetical sub-sections.
|
|---|
| 668 | sub splitlist {
|
|---|
| 669 | my $self = shift (@_);
|
|---|
| 670 | my ($classlistref) = @_;
|
|---|
| 671 | my $classhash = {};
|
|---|
| 672 |
|
|---|
| 673 | # top level
|
|---|
| 674 | my @metanames = split("/",$self->{'metaname'});
|
|---|
| 675 | my $metaname = shift(@metanames);
|
|---|
| 676 |
|
|---|
| 677 | my $childtype = "HList";
|
|---|
| 678 | $childtype = "VList" if (scalar (@$classlistref) <= $self->{'minnesting'});
|
|---|
| 679 |
|
|---|
| 680 | my $classifyinfo;
|
|---|
| 681 | if (!defined($self->{'recopt'}))
|
|---|
| 682 | {
|
|---|
| 683 | my $title = $self->{'title'}; # should always be defined by now....
|
|---|
| 684 | $title = $metaname unless defined $title;
|
|---|
| 685 | $classifyinfo
|
|---|
| 686 | = $self->get_entry ($title, $childtype, $metaname, "Invisible");
|
|---|
| 687 | }
|
|---|
| 688 | else
|
|---|
| 689 | {
|
|---|
| 690 | my $title = $self->{'title'};
|
|---|
| 691 | $classifyinfo
|
|---|
| 692 | = $self->get_entry ($title, $childtype, $metaname, "VList");
|
|---|
| 693 | }
|
|---|
| 694 |
|
|---|
| 695 | # don't need to do any splitting if there are less than 'minnesting' classifications
|
|---|
| 696 | if ((scalar @$classlistref) <= $self->{'minnesting'}) {
|
|---|
| 697 | foreach $subOID (@$classlistref) {
|
|---|
| 698 | if ($subOID =~ /^CLASSIFY\.(.*)$/
|
|---|
| 699 | && defined $self->{'classifiers'}->{$1})
|
|---|
| 700 | {
|
|---|
| 701 | push (@{$classifyinfo->{'contains'}},
|
|---|
| 702 | $self->{'classifiers'}->{$1}->{'classifyinfo'});
|
|---|
| 703 | }
|
|---|
| 704 | else
|
|---|
| 705 | {
|
|---|
| 706 | $subOID =~ s/^Metavalue_(\d+)\.//;
|
|---|
| 707 | my $metaname_offset = $1 -1;
|
|---|
| 708 | my $oid_rec = {'OID'=>$subOID, 'offset'=>$metaname_offset};
|
|---|
| 709 | push (@{$classifyinfo->{'contains'}}, $oid_rec);
|
|---|
| 710 | }
|
|---|
| 711 | }
|
|---|
| 712 | return $classifyinfo;
|
|---|
| 713 | }
|
|---|
| 714 |
|
|---|
| 715 | # first split up the list into separate A-Z and 0-9 classifications
|
|---|
| 716 | foreach $classification (@$classlistref) {
|
|---|
| 717 | my $title = $self->{'reclassifylist'}->{$classification};
|
|---|
| 718 | $title =~ s/&(.){2,4};//g; # remove any HTML special chars
|
|---|
| 719 | ### $title =~ s/^\s+//g; # remove a leading spaces
|
|---|
| 720 | ### $title =~ s/^_+//g; # remove a leading underscores
|
|---|
| 721 | $title =~ s/^\W+//g;
|
|---|
| 722 | ### $title =~ s/^(\'|\`|\"|\:|\()//g; # remove any opening punctutation
|
|---|
| 723 |
|
|---|
| 724 | # only want first character for classification
|
|---|
| 725 | $title =~ m/^(.)/; $title=$1;
|
|---|
| 726 | $title =~ tr/[a-z]/[A-Z]/;
|
|---|
| 727 |
|
|---|
| 728 | if ($title =~ /^[0-9]$/) {$title = '0-9';}
|
|---|
| 729 | elsif ($title !~ /^[A-Z]$/) {
|
|---|
| 730 | my $outhandle = $self->{'outhandle'};
|
|---|
| 731 | print $outhandle "AZCompactList: WARNING $classification has badly formatted title ($title)\n";
|
|---|
| 732 | }
|
|---|
| 733 | $classhash->{$title} = [] unless defined $classhash->{$title};
|
|---|
| 734 | push (@{$classhash->{$title}}, $classification);
|
|---|
| 735 | }
|
|---|
| 736 | $classhash = $self->compactlist ($classhash);
|
|---|
| 737 |
|
|---|
| 738 | my @tmparr = ();
|
|---|
| 739 | foreach $subsection (sort keys (%$classhash)) {
|
|---|
| 740 | push (@tmparr, $subsection);
|
|---|
| 741 | }
|
|---|
| 742 |
|
|---|
| 743 | # if there's a 0-9 section it will have been sorted to the beginning
|
|---|
| 744 | # but we want it at the end
|
|---|
| 745 | if ($tmparr[0] eq '0-9') {
|
|---|
| 746 | shift @tmparr;
|
|---|
| 747 | push (@tmparr, '0-9');
|
|---|
| 748 | }
|
|---|
| 749 |
|
|---|
| 750 | foreach $subclass (@tmparr)
|
|---|
| 751 | {
|
|---|
| 752 | my $tempclassify
|
|---|
| 753 | = (scalar(@tmparr)==1)
|
|---|
| 754 | ? ($self->get_entry(" ", "VList", $metaname))
|
|---|
| 755 | : ($self->get_entry($subclass, "VList", $metaname));
|
|---|
| 756 |
|
|---|
| 757 |
|
|---|
| 758 | foreach $subsubOID (@{$classhash->{$subclass}})
|
|---|
| 759 | {
|
|---|
| 760 | if ($subsubOID =~ /^CLASSIFY\.(.*)$/
|
|---|
| 761 | && defined $self->{'classifiers'}->{$1})
|
|---|
| 762 | {
|
|---|
| 763 | push (@{$tempclassify->{'contains'}},
|
|---|
| 764 | $self->{'classifiers'}->{$1}->{'classifyinfo'});
|
|---|
| 765 | }
|
|---|
| 766 | else
|
|---|
| 767 | {
|
|---|
| 768 | $subsubOID =~ s/^Metavalue_(\d+)\.//;
|
|---|
| 769 | my $metaname_offset = $1 -1;
|
|---|
| 770 | my $oid_rec = {'OID'=>$subsubOID, 'offset'=>$metaname_offset};
|
|---|
| 771 | push (@{$tempclassify->{'contains'}}, $oid_rec);
|
|---|
| 772 | }
|
|---|
| 773 | }
|
|---|
| 774 | push (@{$classifyinfo->{'contains'}}, $tempclassify);
|
|---|
| 775 | }
|
|---|
| 776 |
|
|---|
| 777 | return $classifyinfo;
|
|---|
| 778 | }
|
|---|
| 779 |
|
|---|
| 780 | sub compactlist {
|
|---|
| 781 | my $self = shift (@_);
|
|---|
| 782 | my ($classhashref) = @_;
|
|---|
| 783 | my $compactedhash = {};
|
|---|
| 784 | my @currentOIDs = ();
|
|---|
| 785 | my $currentfirstletter = "";
|
|---|
| 786 | my $currentlastletter = "";
|
|---|
| 787 | my $lastkey = "";
|
|---|
| 788 |
|
|---|
| 789 | # minimum and maximum documents to be displayed per page.
|
|---|
| 790 | # the actual maximum will be max + (min-1).
|
|---|
| 791 | # the smallest sub-section is a single letter at present
|
|---|
| 792 | # so in this case there may be many times max documents
|
|---|
| 793 | # displayed on a page.
|
|---|
| 794 | my $min = $self->{'mincompact'};
|
|---|
| 795 | my $max = $self->{'maxcompact'};
|
|---|
| 796 |
|
|---|
| 797 | foreach $subsection (sort keys %$classhashref) {
|
|---|
| 798 | if ($subsection eq '0-9') {
|
|---|
| 799 | @{$compactedhash->{$subsection}} = @{$classhashref->{$subsection}};
|
|---|
| 800 | next;
|
|---|
| 801 | }
|
|---|
| 802 | $currentfirstletter = $subsection if $currentfirstletter eq "";
|
|---|
| 803 | if ((scalar (@currentOIDs) < $min) ||
|
|---|
| 804 | ((scalar (@currentOIDs) + scalar (@{$classhashref->{$subsection}})) <= $max)) {
|
|---|
| 805 | push (@currentOIDs, @{$classhashref->{$subsection}});
|
|---|
| 806 | $currentlastletter = $subsection;
|
|---|
| 807 | } else {
|
|---|
| 808 |
|
|---|
| 809 | if ($currentfirstletter eq $currentlastletter) {
|
|---|
| 810 | @{$compactedhash->{$currentfirstletter}} = @currentOIDs;
|
|---|
| 811 | $lastkey = $currentfirstletter;
|
|---|
| 812 | } else {
|
|---|
| 813 | @{$compactedhash->{"$currentfirstletter-$currentlastletter"}} = @currentOIDs;
|
|---|
| 814 | $lastkey = "$currentfirstletter-$currentlastletter";
|
|---|
| 815 | }
|
|---|
| 816 | if (scalar (@{$classhashref->{$subsection}}) >= $max) {
|
|---|
| 817 | $compactedhash->{$subsection} = $classhashref->{$subsection};
|
|---|
| 818 | @currentOIDs = ();
|
|---|
| 819 | $currentfirstletter = "";
|
|---|
| 820 | } else {
|
|---|
| 821 | @currentOIDs = @{$classhashref->{$subsection}};
|
|---|
| 822 | $currentfirstletter = $subsection;
|
|---|
| 823 | $currentlastletter = $subsection;
|
|---|
| 824 | }
|
|---|
| 825 | }
|
|---|
| 826 | }
|
|---|
| 827 |
|
|---|
| 828 | # add final OIDs to last sub-classification if there aren't many otherwise
|
|---|
| 829 | # add final sub-classification
|
|---|
| 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 |
|
|---|
