[14022] | 1 | ###########################################################################
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| 2 | #
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| 3 | # basebuilder.pm -- base class for collection builders
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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 | package basebuilder;
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| 27 |
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[14245] | 28 | use strict;
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| 29 | no strict 'refs'; # allow filehandles to be variables and viceversa
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| 30 |
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[14022] | 31 | use classify;
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| 32 | use cfgread;
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| 33 | use colcfg;
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| 34 | use plugin;
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| 35 | use util;
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| 36 | use FileHandle;
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| 37 |
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| 38 | BEGIN {
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| 39 | # set autoflush on for STDERR and STDOUT so that mgpp
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| 40 | # doesn't get out of sync with plugins
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| 41 | STDOUT->autoflush(1);
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| 42 | STDERR->autoflush(1);
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| 43 | }
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| 44 |
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| 45 | END {
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| 46 | STDOUT->autoflush(0);
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| 47 | STDERR->autoflush(0);
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| 48 | }
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| 49 |
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| 50 | our $maxdocsize = 12000;
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| 51 |
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| 52 | # used to signify "gs2"(default) or "gs3"
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| 53 | my $gs_mode = "gs2";
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| 54 |
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| 55 | sub new {
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| 56 | my ($class, $collection, $source_dir, $build_dir, $verbosity,
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| 57 | $maxdocs, $debug, $keepold, $incremental, $incremental_dlc,
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| 58 | $remove_empty_classifications,
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[14199] | 59 | $outhandle, $no_text, $failhandle, $gli, $disable_OAI) = @_;
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[14022] | 60 |
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[14245] | 61 | $outhandle = *STDERR unless defined $outhandle;
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[14022] | 62 | $no_text = 0 unless defined $no_text;
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[14245] | 63 | $failhandle = *STDERR unless defined $failhandle;
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[14022] | 64 |
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| 65 | # create a builder object
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| 66 | my $self = bless {'collection'=>$collection,
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| 67 | 'source_dir'=>$source_dir,
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| 68 | 'build_dir'=>$build_dir,
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| 69 | 'verbosity'=>$verbosity,
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| 70 | 'maxdocs'=>$maxdocs,
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| 71 | 'debug'=>$debug,
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| 72 | 'keepold'=>$keepold,
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| 73 | 'incremental'=>$incremental,
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| 74 | 'incremental_dlc' => $incremental_dlc,
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| 75 | 'remove_empty_classifications'=>$remove_empty_classifications,
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| 76 | 'outhandle'=>$outhandle,
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| 77 | 'no_text'=>$no_text,
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| 78 | 'failhandle'=>$failhandle,
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| 79 | 'notbuilt'=>{}, # indexes not built
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[14199] | 80 | 'gli'=>$gli,
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| 81 | 'disable_OAI'=>$disable_OAI
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[14022] | 82 | }, $class;
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| 83 |
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| 84 | $self->{'gli'} = 0 unless defined $self->{'gli'};
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[14245] | 85 |
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| 86 | # disable_OIA applies to greenstone 3 only and is only passed to &colcfg::write_build_cfg_xml (then cfgread4gs3::write_cfg_file) when writing the buildConfig.xml
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[14199] | 87 | $self->{'disable_OAI'} = 0 unless defined $self->{'disable_OAI'};
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[14245] | 88 |
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| 89 | # Read in the collection configuration file.
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| 90 | my ($colcfgname);
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| 91 | ($colcfgname, $gs_mode) = &colcfg::get_collect_cfg_name($outhandle);
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| 92 | if ($gs_mode eq "gs2") {
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| 93 | $self->{'collect_cfg'} = &colcfg::read_collect_cfg ($colcfgname);
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| 94 | } elsif ($gs_mode eq "gs3") {
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| 95 | $self->{'collect_cfg'} = &colcfg::read_collection_cfg_xml ($colcfgname);
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[14022] | 96 | }
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| 97 |
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| 98 | # get the list of plugins for this collection
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| 99 | my $plugins = [];
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| 100 | if (defined $self->{'collect_cfg'}->{'plugin'}) {
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| 101 | $plugins = $self->{'collect_cfg'}->{'plugin'};
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| 102 | }
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| 103 |
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| 104 | # load all the plugins
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| 105 |
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| 106 | #build up the extra global options for the plugins
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| 107 | my @global_opts = ();
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| 108 | if (defined $self->{'collect_cfg'}->{'separate_cjk'} && $self->{'collect_cfg'}->{'separate_cjk'} =~ /^true$/i) {
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| 109 | push @global_opts, "-separate_cjk";
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| 110 | }
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| 111 | $self->{'pluginfo'} = &plugin::load_plugins ($plugins, $verbosity, $outhandle, $failhandle, \@global_opts, $keepold);
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| 112 |
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| 113 | if (scalar(@{$self->{'pluginfo'}}) == 0) {
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| 114 | print $outhandle "No plugins were loaded.\n";
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| 115 | die "\n";
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| 116 | }
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| 117 |
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| 118 | # get the list of classifiers for this collection
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| 119 | my $classifiers = [];
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| 120 | if (defined $self->{'collect_cfg'}->{'classify'}) {
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| 121 | $classifiers = $self->{'collect_cfg'}->{'classify'};
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| 122 | }
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| 123 |
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| 124 | # load all the classifiers
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| 125 | $self->{'classifiers'} = &classify::load_classifiers ($classifiers, $build_dir, $outhandle);
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| 126 |
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| 127 | # load up any dontgdbm fields
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| 128 | $self->{'dontgdbm'} = {};
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| 129 | if (defined ($self->{'collect_cfg'}->{'dontgdbm'})) {
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| 130 | foreach my $dg (@{$self->{'collect_cfg'}->{'dontgdbm'}}) {
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| 131 | $self->{'dontgdbm'}->{$dg} = 1;
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| 132 | }
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| 133 | }
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| 134 |
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| 135 | $self->{'maxnumeric'} = 4;
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| 136 | return $self;
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| 137 | }
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| 138 |
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| 139 | # stuff has been moved here from new, so we can use subclass methods
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| 140 | sub init {
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| 141 | my $self = shift(@_);
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| 142 |
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| 143 | $self->generate_index_list();
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| 144 | $self->generate_index_options();
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| 145 |
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| 146 | # sort out subcollection indexes
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| 147 | if (defined $self->{'collect_cfg'}->{'indexsubcollections'}) {
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| 148 | my $indexes = $self->{'collect_cfg'}->{'indexes'};
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| 149 | $self->{'collect_cfg'}->{'indexes'} = [];
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| 150 | foreach my $subcollection (@{$self->{'collect_cfg'}->{'indexsubcollections'}}) {
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| 151 | foreach my $index (@$indexes) {
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| 152 | push (@{$self->{'collect_cfg'}->{'indexes'}}, "$index:$subcollection");
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| 153 | }
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| 154 | }
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| 155 | }
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| 156 |
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| 157 | # sort out language subindexes
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| 158 | if (defined $self->{'collect_cfg'}->{'languages'}) {
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| 159 | my $indexes = $self->{'collect_cfg'}->{'indexes'};
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| 160 | $self->{'collect_cfg'}->{'indexes'} = [];
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| 161 | foreach my $language (@{$self->{'collect_cfg'}->{'languages'}}) {
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| 162 | foreach my $index (@$indexes) {
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| 163 | if (defined ($self->{'collect_cfg'}->{'indexsubcollections'})) {
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| 164 | push (@{$self->{'collect_cfg'}->{'indexes'}}, "$index:$language");
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| 165 | }
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| 166 | else { # add in an empty subcollection field
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| 167 | push (@{$self->{'collect_cfg'}->{'indexes'}}, "$index\:\:$language");
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| 168 | }
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| 169 | }
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| 170 | }
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| 171 | }
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| 172 |
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| 173 | if (defined($self->{'collect_cfg'}->{'indexes'})) {
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| 174 | # make sure that the same index isn't specified more than once
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| 175 | my %tmphash = ();
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| 176 | my @tmparray = @{$self->{'collect_cfg'}->{'indexes'}};
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| 177 | $self->{'collect_cfg'}->{'indexes'} = [];
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| 178 | foreach my $i (@tmparray) {
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| 179 | if (!defined ($tmphash{$i})) {
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| 180 | push (@{$self->{'collect_cfg'}->{'indexes'}}, $i);
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| 181 | $tmphash{$i} = 1;
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| 182 | }
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| 183 | }
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| 184 | } else {
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| 185 | $self->{'collect_cfg'}->{'indexes'} = [];
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| 186 | }
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| 187 |
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| 188 | # load up the document processor for building
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| 189 | # if a buildproc class has been created for this collection, use it
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| 190 | # otherwise, use the mg buildproc
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| 191 | my ($buildprocdir, $buildproctype);
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| 192 | my $collection = $self->{'collection'};
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[14245] | 193 | if (-e "$ENV{'GSDLCOLLECTDIR'}/custom/${collection}/perllib/custombuildproc.pm") {
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| 194 | $buildprocdir = "$ENV{'GSDLCOLLECTDIR'}/custom/${collection}/perllib";
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| 195 | $buildproctype = "custombuildproc";
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| 196 | } elsif (-e "$ENV{'GSDLCOLLECTDIR'}/perllib/custombuildproc.pm") {
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[14022] | 197 | $buildprocdir = "$ENV{'GSDLCOLLECTDIR'}/perllib";
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[14245] | 198 | $buildproctype = "custombuildproc";
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| 199 | } elsif (-e "$ENV{'GSDLCOLLECTDIR'}/perllib/${collection}buildproc.pm") {
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| 200 | $buildprocdir = "$ENV{'GSDLCOLLECTDIR'}/perllib";
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[14022] | 201 | $buildproctype = "${collection}buildproc";
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| 202 | } else {
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| 203 | $buildprocdir = "$ENV{'GSDLHOME'}/perllib";
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| 204 | $buildproctype = $self->default_buildproc();
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| 205 | }
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| 206 | require "$buildprocdir/$buildproctype.pm";
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| 207 |
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| 208 | eval("\$self->{'buildproc'} = new $buildproctype(\$self->{'collection'}, " .
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| 209 | "\$self->{'source_dir'}, \$self->{'build_dir'}, \$self->{'keepold'}, \$self->{'verbosity'}, \$self->{'outhandle'})");
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| 210 | die "$@" if $@;
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| 211 |
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| 212 | if (!$self->{'debug'} && !$self->{'keepold'}) {
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| 213 | # remove any old builds
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| 214 | &util::rm_r($self->{'build_dir'});
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| 215 | &util::mk_all_dir($self->{'build_dir'});
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| 216 |
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| 217 | # make the text directory
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| 218 | my $textdir = "$self->{'build_dir'}/text";
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| 219 | &util::mk_all_dir($textdir);
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| 220 | }
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| 221 |
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| 222 | }
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| 223 |
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| 224 | sub deinit {
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| 225 | my $self = shift (@_);
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| 226 |
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| 227 | &plugin::deinit($self->{'pluginfo'},$self->{'buildproc'});
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| 228 | }
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| 229 |
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| 230 | sub set_sections_index_document_metadata {
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| 231 | my $self = shift (@_);
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| 232 | my ($index) = @_;
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| 233 |
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| 234 | $self->{'buildproc'}->set_sections_index_document_metadata($index);
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| 235 | }
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| 236 |
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| 237 | sub set_maxnumeric {
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| 238 | my $self = shift (@_);
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| 239 | my ($maxnumeric) = @_;
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| 240 |
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| 241 | $self->{'maxnumeric'} = $maxnumeric;
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| 242 | }
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| 243 | sub set_strip_html {
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| 244 | my $self = shift (@_);
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| 245 | my ($strip) = @_;
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| 246 |
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| 247 | $self->{'strip_html'} = $strip;
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| 248 | $self->{'buildproc'}->set_strip_html($strip);
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| 249 | }
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| 250 |
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| 251 | sub compress_text {
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| 252 | my $self = shift (@_);
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| 253 | my ($textindex) = @_;
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| 254 |
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| 255 | print STDERR "compress_text() should be implemented in subclass!!";
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| 256 | return;
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| 257 | }
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| 258 |
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| 259 |
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| 260 | sub build_indexes {
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| 261 | my $self = shift (@_);
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| 262 | my ($indexname) = @_;
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| 263 | my $outhandle = $self->{'outhandle'};
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| 264 |
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| 265 | my $indexes = [];
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| 266 | if (defined $indexname && $indexname =~ /\w/) {
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| 267 | push @$indexes, $indexname;
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| 268 | } else {
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| 269 | $indexes = $self->{'collect_cfg'}->{'indexes'};
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| 270 | }
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| 271 |
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| 272 | # create the mapping between the index descriptions
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| 273 | # and their directory names (includes subcolls and langs)
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| 274 | $self->{'index_mapping'} = $self->create_index_mapping ($indexes);
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[14245] | 275 |
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[14022] | 276 | # build each of the indexes
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| 277 | foreach my $index (@$indexes) {
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| 278 | if ($self->want_built($index)) {
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| 279 | print $outhandle "\n*** building index $index in subdirectory " .
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| 280 | "$self->{'index_mapping'}->{$index}\n" if ($self->{'verbosity'} >= 1);
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| 281 | print STDERR "<Stage name='Index' source='$index'>\n" if $self->{'gli'};
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| 282 | $self->build_index($index);
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| 283 | } else {
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| 284 | print $outhandle "\n*** ignoring index $index\n" if ($self->{'verbosity'} >= 1);
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| 285 | }
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| 286 | }
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| 287 |
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| 288 | $self->build_indexes_extra();
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| 289 |
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| 290 | }
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| 291 |
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| 292 | sub build_indexes_extra {
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| 293 | my $self = shift(@_);
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| 294 |
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| 295 | }
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| 296 |
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| 297 | sub build_index {
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| 298 | my $self = shift (@_);
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| 299 | my ($index) = @_;
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| 300 |
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| 301 | print STDERR "build_index should be implemented in subclass\n";
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| 302 | return;
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| 303 | }
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| 304 |
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| 305 |
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| 306 |
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| 307 | sub make_infodatabase {
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| 308 | my $self = shift (@_);
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| 309 | my $outhandle = $self->{'outhandle'};
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| 310 |
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| 311 | print STDERR "BuildDir: $self->{'build_dir'}\n";
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| 312 |
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| 313 | my $textdir = &util::filename_cat($self->{'build_dir'}, "text");
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| 314 | my $assocdir = &util::filename_cat($self->{'build_dir'}, "assoc");
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| 315 | &util::mk_all_dir ($textdir);
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| 316 | &util::mk_all_dir ($assocdir);
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| 317 |
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| 318 | # get db name
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| 319 | my $dbext = ".bdb";
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| 320 | $dbext = ".ldb" if &util::is_little_endian();
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| 321 | my $fulldbname = &util::filename_cat ($textdir, "$self->{'collection'}$dbext");
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| 322 | $fulldbname =~ s/\//\\/g if ($ENV{'GSDLOS'} =~ /^windows$/i);
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| 323 |
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| 324 | my $exedir = "$ENV{'GSDLHOME'}/bin/$ENV{'GSDLOS'}";
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| 325 | my $exe = &util::get_os_exe ();
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| 326 | my $txt2db_exe = &util::filename_cat($exedir, "txt2db$exe");
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| 327 |
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| 328 | print $outhandle "\n*** creating the info database and processing associated files\n"
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| 329 | if ($self->{'verbosity'} >= 1);
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| 330 | print STDERR "<Stage name='CreateInfoData'>\n" if $self->{'gli'};
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| 331 |
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| 332 | # init all the classifiers
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| 333 | &classify::init_classifiers ($self->{'classifiers'});
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| 334 |
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| 335 |
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| 336 | my $reconstructed_docs = undef;
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| 337 | if ($self->{'keepold'}) {
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| 338 | # reconstruct doc_obj metadata from gdbm for all docs
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| 339 | $reconstructed_docs = &classify::reconstruct_doc_objs_metadata($fulldbname);
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| 340 | }
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| 341 |
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| 342 | # set up the document processor
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| 343 | my ($handle);
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| 344 | if ($self->{'debug'}) {
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[14245] | 345 | $handle = *STDOUT;
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[14022] | 346 | } else {
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| 347 | if (!-e "$txt2db_exe" || !open (PIPEOUT, "| txt2db$exe \"$fulldbname\"")) {
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| 348 | print STDERR "<FatalError name='NoRunText2DB'/>\n</Stage>\n" if $self->{'gli'};
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| 349 | die "builder::make_infodatabase - couldn't run $txt2db_exe\n";
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| 350 | }
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[14245] | 351 | $handle = *PIPEOUT;
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[14022] | 352 | }
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| 353 |
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| 354 | $self->{'buildproc'}->set_output_handle ($handle);
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| 355 | $self->{'buildproc'}->set_mode ('infodb');
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| 356 | $self->{'buildproc'}->set_assocdir ($assocdir);
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| 357 | $self->{'buildproc'}->set_dontgdbm ($self->{'dontgdbm'});
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| 358 | $self->{'buildproc'}->set_classifiers ($self->{'classifiers'});
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| 359 | $self->{'buildproc'}->set_indexing_text (0);
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| 360 | $self->{'buildproc'}->set_store_text(1);
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| 361 |
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| 362 | # make_infodatabase needs full reset even for incremental build
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| 363 | # as incremental works by reconstructing all docs from GDBM and
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| 364 | # then adding in the new ones
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| 365 | $self->{'buildproc'}->zero_reset();
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| 366 |
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| 367 | if ($self->{'keepold'}) {
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| 368 | # create flat classify structure, ready for new docs to be added
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| 369 | foreach my $doc_obj ( @$reconstructed_docs ) {
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| 370 | print $outhandle " Adding reconstructed ", $doc_obj->get_OID(), " into classify structures\n";
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| 371 | $self->{'buildproc'}->process($doc_obj,undef);
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| 372 | }
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| 373 | }
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| 374 |
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| 375 |
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| 376 | # this has changed to only output collection meta if its
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| 377 | # not in the config file
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| 378 | $self->output_collection_meta($handle);
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| 379 | &plugin::read ($self->{'pluginfo'}, $self->{'source_dir'},
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| 380 | "", {}, $self->{'buildproc'}, $self->{'maxdocs'},0, $self->{'gli'});
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| 381 |
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| 382 | # output classification information
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| 383 | &classify::output_classify_info ($self->{'classifiers'}, $handle,
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| 384 | $self->{'remove_empty_classifications'},
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| 385 | $self->{'gli'});
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| 386 |
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| 387 | # Output classifier reverse lookup, used in incremental deletion
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| 388 | #&classify::print_reverse_lookup($handle);
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| 389 |
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| 390 | #output doclist
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| 391 | my @doclist = $self->{'buildproc'}->get_doc_list();
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| 392 | my $docs = join (";",@doclist);
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| 393 | print $handle "[browselist]\n";
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| 394 | print $handle "<hastxt>0\n";
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| 395 | print $handle "<childtype>VList\n";
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| 396 | print $handle "<numleafdocs>" . ($#doclist+1) . "\n";
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| 397 | print $handle "<thistype>Invisible\n";
|
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| 398 | print $handle "<contains>$docs";
|
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| 399 | print $handle "\n" . ('-' x 70) . "\n";
|
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| 400 |
|
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| 401 | close ($handle) if !$self->{'debug'};
|
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| 402 |
|
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| 403 | print STDERR "</Stage>\n" if $self->{'gli'};
|
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| 404 | }
|
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| 405 |
|
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| 406 | sub make_auxiliary_files {
|
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| 407 | my $self = shift (@_);
|
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| 408 | my ($index);
|
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| 409 | my $build_cfg = {};
|
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| 410 | # subclasses may have already defined stuff in here
|
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| 411 | if (defined $self->{'build_cfg'}) {
|
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| 412 | $build_cfg = $self->{'build_cfg'};
|
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| 413 | }
|
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| 414 |
|
---|
| 415 | my $outhandle = $self->{'outhandle'};
|
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| 416 |
|
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| 417 | print $outhandle "\n*** creating auxiliary files \n" if ($self->{'verbosity'} >= 1);
|
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| 418 | print STDERR "<Stage name='CreatingAuxilary'>\n" if $self->{'gli'};
|
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| 419 |
|
---|
| 420 | # get the text directory
|
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| 421 | &util::mk_all_dir ($self->{'build_dir'});
|
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| 422 |
|
---|
| 423 | # store the build date
|
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| 424 | $build_cfg->{'builddate'} = time;
|
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| 425 | $build_cfg->{'buildtype'} = $self->{'buildtype'};
|
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| 426 | $build_cfg->{'indexstem'} = $self->{'collection'};
|
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| 427 | $build_cfg->{'stemindexes'} = $self->{'stemindexes'};
|
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| 428 |
|
---|
| 429 | # store the number of documents and number of bytes
|
---|
| 430 | $build_cfg->{'numdocs'} = $self->{'buildproc'}->get_num_docs();
|
---|
| 431 | $build_cfg->{'numsections'} = $self->{'buildproc'}->get_num_sections();
|
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| 432 | $build_cfg->{'numbytes'} = $self->{'buildproc'}->get_num_bytes();
|
---|
[14245] | 433 |
|
---|
[14022] | 434 | # store the mapping between the index names and the directory names
|
---|
| 435 | # the index map is used to determine what indexes there are, so any that are not built should not be put into the map.
|
---|
| 436 | my @indexmap = ();
|
---|
| 437 | foreach my $index (@{$self->{'index_mapping'}->{'indexmaporder'}}) {
|
---|
| 438 | if (not defined ($self->{'notbuilt'}->{$index})) {
|
---|
| 439 | push (@indexmap, "$index\-\>$self->{'index_mapping'}->{'indexmap'}->{$index}");
|
---|
| 440 | }
|
---|
| 441 | }
|
---|
[14374] | 442 | $build_cfg->{'indexmap'} = \@indexmap if scalar (@indexmap);
|
---|
[14022] | 443 |
|
---|
| 444 | my @subcollectionmap = ();
|
---|
| 445 | foreach my $subcollection (@{$self->{'index_mapping'}->{'subcollectionmaporder'}}) {
|
---|
| 446 | push (@subcollectionmap, "$subcollection\-\>" .
|
---|
| 447 | $self->{'index_mapping'}->{'subcollectionmap'}->{$subcollection});
|
---|
| 448 | }
|
---|
| 449 | $build_cfg->{'subcollectionmap'} = \@subcollectionmap if scalar (@subcollectionmap);
|
---|
| 450 |
|
---|
| 451 | my @languagemap = ();
|
---|
| 452 | foreach my $language (@{$self->{'index_mapping'}->{'languagemaporder'}}) {
|
---|
| 453 | push (@languagemap, "$language\-\>" .
|
---|
| 454 | $self->{'index_mapping'}->{'languagemap'}->{$language});
|
---|
| 455 | }
|
---|
| 456 | $build_cfg->{'languagemap'} = \@languagemap if scalar (@languagemap);
|
---|
| 457 |
|
---|
| 458 | my @notbuilt = ();
|
---|
| 459 | foreach my $nb (keys %{$self->{'notbuilt'}}) {
|
---|
| 460 | push (@notbuilt, $nb);
|
---|
| 461 | }
|
---|
| 462 | $build_cfg->{'notbuilt'} = \@notbuilt if scalar (@notbuilt);
|
---|
| 463 |
|
---|
| 464 | $build_cfg->{'maxnumeric'} = $self->{'maxnumeric'};
|
---|
| 465 |
|
---|
| 466 | $self->build_cfg_extra($build_cfg);
|
---|
| 467 |
|
---|
| 468 | if ($gs_mode eq "gs2") {
|
---|
[14212] | 469 | &colcfg::write_build_cfg("$self->{'build_dir'}/build.cfg", $build_cfg);
|
---|
[14022] | 470 | }
|
---|
| 471 | if ($gs_mode eq "gs3") {
|
---|
[14245] | 472 | &colcfg::write_build_cfg_xml("$self->{'build_dir'}/buildConfig.xml", $build_cfg, $self->{'collect_cfg'}, $self->{'disable_OAI'});
|
---|
[14022] | 473 | }
|
---|
| 474 |
|
---|
| 475 | print STDERR "</Stage>\n" if $self->{'gli'};
|
---|
| 476 | }
|
---|
| 477 |
|
---|
| 478 | sub collect_specific {
|
---|
| 479 | my $self = shift (@_);
|
---|
| 480 | }
|
---|
| 481 |
|
---|
| 482 | sub want_built {
|
---|
| 483 | my $self = shift (@_);
|
---|
| 484 | my ($index) = @_;
|
---|
| 485 |
|
---|
| 486 | if (defined ($self->{'collect_cfg'}->{'dontbuild'})) {
|
---|
| 487 | foreach my $checkstr (@{$self->{'collect_cfg'}->{'dontbuild'}}) {
|
---|
| 488 | if ($index =~ /^$checkstr$/) {
|
---|
| 489 | $self->{'notbuilt'}->{$index} = 1;
|
---|
| 490 | return 0;
|
---|
| 491 | }
|
---|
| 492 | }
|
---|
| 493 | }
|
---|
| 494 |
|
---|
| 495 | return 1;
|
---|
| 496 | }
|
---|
| 497 |
|
---|
| 498 | sub create_index_mapping {
|
---|
| 499 | my $self = shift (@_);
|
---|
| 500 | my ($indexes) = @_;
|
---|
| 501 |
|
---|
| 502 | print STDERR "create_index_mapping should be implemented in subclass\n";
|
---|
| 503 | my %mapping = ();
|
---|
| 504 | return \%mapping;
|
---|
| 505 | }
|
---|
| 506 |
|
---|
| 507 | # returns a processed version of a field.
|
---|
| 508 | # if the field has only one component the processed
|
---|
| 509 | # version will contain the first character and next consonant
|
---|
| 510 | # of that componant - otherwise it will contain the first
|
---|
| 511 | # character of the first two components
|
---|
| 512 | # only uses letdig (\w) characters now
|
---|
| 513 | sub process_field {
|
---|
| 514 | my $self = shift (@_);
|
---|
| 515 | my ($field) = @_;
|
---|
| 516 |
|
---|
| 517 | return "" unless (defined ($field) && $field =~ /\S/);
|
---|
| 518 |
|
---|
| 519 | my ($a, $b);
|
---|
| 520 | my @components = split /,/, $field;
|
---|
| 521 | if (scalar @components >= 2) {
|
---|
| 522 | # pick the first letdig from the first two field names
|
---|
| 523 | ($a) = $components[0] =~ /^[^\w]*(\w)/;
|
---|
| 524 | ($b) = $components[1] =~ /^[^\w]*(\w)/;
|
---|
| 525 | } else {
|
---|
| 526 | # pick the first two letdig chars
|
---|
| 527 | ($a, $b) = $field =~ /^[^\w]*(\w)[^\w]*?(\w)/i;
|
---|
| 528 | }
|
---|
| 529 | # there may not have been any letdigs...
|
---|
| 530 | $a = 'a' unless defined $a;
|
---|
| 531 | $b = '0' unless defined $b;
|
---|
| 532 |
|
---|
| 533 | return "$a$b";
|
---|
| 534 |
|
---|
| 535 | }
|
---|
| 536 |
|
---|
| 537 | sub get_next_version {
|
---|
| 538 | my $self = shift (@_);
|
---|
| 539 | my ($nameref) = @_;
|
---|
| 540 | my $num=0;
|
---|
| 541 | if ($$nameref =~ /(\d\d)$/) {
|
---|
| 542 | $num = $1; $num ++;
|
---|
| 543 | $$nameref =~ s/\d\d$/$num/;
|
---|
| 544 | } elsif ($$nameref =~ /(\d)$/) {
|
---|
| 545 | $num = $1;
|
---|
| 546 | if ($num == 9) {$$nameref =~ s/\d$/10/;}
|
---|
| 547 | else {$num ++; $$nameref =~ s/\d$/$num/;}
|
---|
| 548 | } else {
|
---|
| 549 | $$nameref =~ s/.$/0/;
|
---|
| 550 | }
|
---|
| 551 | }
|
---|
| 552 |
|
---|
| 553 | # implement this in subclass if want to add extra stuff to build.cfg
|
---|
| 554 | sub build_cfg_extra {
|
---|
| 555 | my $self = shift(@_);
|
---|
| 556 | my ($build_cfg) = @_;
|
---|
| 557 |
|
---|
| 558 | }
|
---|
| 559 |
|
---|
| 560 | # default is to output an empty [collection] entry
|
---|
| 561 | sub output_collection_meta {
|
---|
| 562 | my $self = shift(@_);
|
---|
| 563 | my ($handle) = @_;
|
---|
| 564 |
|
---|
| 565 | print $handle "[collection]\n". ('-' x 70) . "\n";;
|
---|
| 566 |
|
---|
| 567 | }
|
---|
| 568 |
|
---|
| 569 | sub print_stats {
|
---|
| 570 | my $self = shift (@_);
|
---|
| 571 |
|
---|
| 572 | my $outhandle = $self->{'outhandle'};
|
---|
| 573 | my $indexing_text = $self->{'buildproc'}->get_indexing_text();
|
---|
| 574 | my $index = $self->{'buildproc'}->get_index();
|
---|
| 575 | my $num_bytes = $self->{'buildproc'}->get_num_bytes();
|
---|
| 576 | my $num_processed_bytes = $self->{'buildproc'}->get_num_processed_bytes();
|
---|
| 577 |
|
---|
| 578 | if ($indexing_text) {
|
---|
| 579 | print $outhandle "Stats (Creating index $index)\n";
|
---|
| 580 | } else {
|
---|
| 581 | print $outhandle "Stats (Compressing text from $index)\n";
|
---|
| 582 | }
|
---|
| 583 | print $outhandle "Total bytes in collection: $num_bytes\n";
|
---|
| 584 | print $outhandle "Total bytes in $index: $num_processed_bytes\n";
|
---|
| 585 |
|
---|
| 586 | if ($num_processed_bytes < 50 && ($indexing_text || !$self->{'no_text'})) {
|
---|
| 587 |
|
---|
| 588 | if ($self->{'keepold'}) {
|
---|
| 589 | if ($num_processed_bytes == 0) {
|
---|
| 590 | if ($indexing_text) {
|
---|
| 591 | print $outhandle "No additional text was added to $index\n";
|
---|
| 592 | } elsif (!$self->{'no_text'}) {
|
---|
| 593 | print $outhandle "No additional text was compressed\n";
|
---|
| 594 | }
|
---|
| 595 | }
|
---|
| 596 | }
|
---|
| 597 | else {
|
---|
| 598 | print $outhandle "***************\n";
|
---|
| 599 | if ($indexing_text) {
|
---|
| 600 | print $outhandle "WARNING: There is very little or no text to process for $index\n";
|
---|
| 601 | } elsif (!$self->{'no_text'}) {
|
---|
| 602 | print $outhandle "WARNING: There is very little or no text to compress\n";
|
---|
| 603 | }
|
---|
| 604 | print $outhandle " Was this your intention?\n";
|
---|
| 605 | print $outhandle "***************\n";
|
---|
| 606 | }
|
---|
| 607 |
|
---|
| 608 | }
|
---|
| 609 |
|
---|
| 610 | }
|
---|
| 611 |
|
---|
| 612 |
|
---|
| 613 | 1;
|
---|
| 614 |
|
---|