| 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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| 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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| 31 | use classify;
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| 32 | use cfgread;
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| 33 | use colcfg;
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| 34 | use dbutil;
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| 35 | use plugin;
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| 36 | use util;
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| 37 |
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| 38 |
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| 39 | BEGIN {
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| 40 | # set autoflush on for STDERR and STDOUT so that mgpp
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| 41 | # doesn't get out of sync with plugins
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| 42 | STDOUT->autoflush(1);
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| 43 | STDERR->autoflush(1);
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| 44 | }
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| 45 |
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| 46 | END {
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| 47 | STDOUT->autoflush(0);
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| 48 | STDERR->autoflush(0);
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| 49 | }
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| 50 |
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| 51 | our $maxdocsize = 12000;
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| 52 |
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| 53 | # used to signify "gs2"(default) or "gs3"
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| 54 | our $gs_mode = "gs2";
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| 55 |
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| 56 | sub new {
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| 57 | my ($class, $site, $collection, $source_dir, $build_dir, $verbosity,
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| 58 | $maxdocs, $debug, $keepold, $incremental, $incremental_mode,
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| 59 | $remove_empty_classifications,
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| 60 | $outhandle, $no_text, $failhandle, $gli) = @_;
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| 61 |
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| 62 | $outhandle = *STDERR unless defined $outhandle;
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| 63 | $no_text = 0 unless defined $no_text;
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| 64 | $failhandle = *STDERR unless defined $failhandle;
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| 65 |
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| 66 | # create a builder object
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| 67 | my $self = bless {'site'=>$site, # will be undef for Greenstone 2
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| 68 | 'collection'=>$collection,
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| 69 | 'source_dir'=>$source_dir,
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| 70 | 'build_dir'=>$build_dir,
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| 71 | 'verbosity'=>$verbosity,
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| 72 | 'maxdocs'=>$maxdocs,
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| 73 | 'debug'=>$debug,
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| 74 | 'keepold'=>$keepold,
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| 75 | 'incremental'=>$incremental,
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| 76 | 'incremental_mode'=>$incremental_mode,
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| 77 | 'remove_empty_classifications'=>$remove_empty_classifications,
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| 78 | 'outhandle'=>$outhandle,
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| 79 | 'no_text'=>$no_text,
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| 80 | 'failhandle'=>$failhandle,
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| 81 | 'notbuilt'=>{}, # indexes not built
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| 82 | 'gli'=>$gli
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| 83 | }, $class;
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| 84 |
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| 85 | $self->{'gli'} = 0 unless defined $self->{'gli'};
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| 86 |
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| 87 | # Read in the collection configuration file.
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| 88 | my ($colcfgname);
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| 89 | ($colcfgname, $gs_mode) = &colcfg::get_collect_cfg_name($outhandle);
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| 90 | $self->{'collect_cfg'} = &colcfg::read_collection_cfg ($colcfgname, $gs_mode);
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| 91 |
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| 92 | if ($gs_mode eq "gs3") {
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| 93 | # read it in again to save the original form for later writing out
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| 94 | # of buildConfig.xml
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| 95 | # we use this preserve object because $self->{'collect_cfg'}->{'classify'} somewhat gets modified during the calling of &classify::load_classifiers.
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| 96 | $self->{'collect_cfg_preserve'} = &colcfg::read_collection_cfg ($colcfgname, $gs_mode);
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| 97 | }
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| 98 |
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| 99 | # get the database type for this collection from the collect.cfg file (may be undefined)
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| 100 | $self->{'infodbtype'} = $self->{'collect_cfg'}->{'infodbtype'} || &dbutil::get_default_infodb_type();
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| 101 |
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| 102 |
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| 103 | # load up any dontdb fields
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| 104 | $self->{'dontdb'} = {};
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| 105 | if (defined ($self->{'collect_cfg'}->{'dontgdbm'})) {
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| 106 | foreach my $dg (@{$self->{'collect_cfg'}->{'dontgdbm'}}) {
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| 107 | $self->{'dontdb'}->{$dg} = 1;
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| 108 | }
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| 109 | }
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| 110 |
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| 111 | $self->{'maxnumeric'} = 4;
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| 112 | return $self;
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| 113 | }
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| 114 |
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| 115 | # stuff has been moved here from new, so we can use subclass methods
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| 116 | sub init {
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| 117 | my $self = shift(@_);
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| 118 |
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| 119 | my $outhandle = $self->{'outhandle'};
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| 120 | my $failhandle = $self->{'failhandle'};
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| 121 |
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| 122 | $self->generate_index_list();
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| 123 | my $indexes = $self->{'collect_cfg'}->{'indexes'};
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| 124 | if (defined $indexes) {
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| 125 | # sort out subcollection indexes
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| 126 | if (defined $self->{'collect_cfg'}->{'indexsubcollections'}) {
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| 127 | $self->{'collect_cfg'}->{'indexes'} = [];
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| 128 | foreach my $subcollection (@{$self->{'collect_cfg'}->{'indexsubcollections'}}) {
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| 129 | foreach my $index (@$indexes) {
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| 130 | push (@{$self->{'collect_cfg'}->{'indexes'}}, "$index:$subcollection");
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| 131 | }
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| 132 | }
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| 133 | }
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| 134 |
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| 135 | # sort out language subindexes
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| 136 | if (defined $self->{'collect_cfg'}->{'languages'}) {
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| 137 | $indexes = $self->{'collect_cfg'}->{'indexes'};
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| 138 | $self->{'collect_cfg'}->{'indexes'} = [];
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| 139 | foreach my $language (@{$self->{'collect_cfg'}->{'languages'}}) {
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| 140 | foreach my $index (@$indexes) {
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| 141 | if (defined ($self->{'collect_cfg'}->{'indexsubcollections'})) {
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| 142 | push (@{$self->{'collect_cfg'}->{'indexes'}}, "$index:$language");
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| 143 | }
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| 144 | else { # add in an empty subcollection field
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| 145 | push (@{$self->{'collect_cfg'}->{'indexes'}}, "$index\:\:$language");
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| 146 | }
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| 147 | }
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| 148 | }
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| 149 | }
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| 150 | }
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| 151 |
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| 152 | if (defined($self->{'collect_cfg'}->{'indexes'})) {
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| 153 | # make sure that the same index isn't specified more than once
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| 154 | my %tmphash = ();
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| 155 | my @tmparray = @{$self->{'collect_cfg'}->{'indexes'}};
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| 156 | $self->{'collect_cfg'}->{'indexes'} = [];
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| 157 | foreach my $i (@tmparray) {
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| 158 | if (!defined ($tmphash{$i})) {
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| 159 | push (@{$self->{'collect_cfg'}->{'indexes'}}, $i);
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| 160 | $tmphash{$i} = 1;
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| 161 | }
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| 162 | }
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| 163 | } else {
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| 164 | $self->{'collect_cfg'}->{'indexes'} = [];
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| 165 | }
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| 166 |
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| 167 | # check incremental against whether builder can cope or not.
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| 168 | if ($self->{'incremental'} && !$self->is_incremental_capable()) {
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| 169 | print $outhandle "WARNING: The indexer used is not capable of incremental building. Reverting to -removeold\n";
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| 170 | $self->{'keepold'} = 0;
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| 171 | $self->{'incremental'} = 0;
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| 172 | $self->{'incremental_mode'} = "none";
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| 173 |
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| 174 | }
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| 175 |
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| 176 |
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| 177 | # get the list of plugins for this collection
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| 178 | my $plugins = [];
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| 179 | if (defined $self->{'collect_cfg'}->{'plugin'}) {
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| 180 | $plugins = $self->{'collect_cfg'}->{'plugin'};
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| 181 | }
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| 182 |
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| 183 | # load all the plugins
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| 184 |
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| 185 | #build up the extra global options for the plugins
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| 186 | my @global_opts = ();
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| 187 | if (defined $self->{'collect_cfg'}->{'separate_cjk'} && $self->{'collect_cfg'}->{'separate_cjk'} =~ /^true$/i) {
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| 188 | push @global_opts, "-separate_cjk";
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| 189 | }
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| 190 | $self->{'pluginfo'} = &plugin::load_plugins ($plugins, $self->{'verbosity'}, $outhandle, $failhandle, \@global_opts, $self->{'incremental_mode'});
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| 191 |
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| 192 | if (scalar(@{$self->{'pluginfo'}}) == 0) {
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| 193 | print $outhandle "No plugins were loaded.\n";
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| 194 | die "\n";
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| 195 | }
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| 196 |
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| 197 | # get the list of classifiers for this collection
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| 198 | my $classifiers = [];
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| 199 | if (defined $self->{'collect_cfg'}->{'classify'}) {
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| 200 | $classifiers = $self->{'collect_cfg'}->{'classify'};
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| 201 | }
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| 202 |
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| 203 | # load all the classifiers
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| 204 | $self->{'classifiers'} = &classify::load_classifiers ($classifiers, $self->{'build_dir'}, $outhandle);
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| 205 |
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| 206 | # load up the document processor for building
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| 207 | # if a buildproc class has been created for this collection, use it
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| 208 | # otherwise, use the default buildproc for the builder we are initialising
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| 209 | my $buildprocdir = undef;
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| 210 | my $buildproctype;
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| 211 |
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| 212 | my $collection = $self->{'collection'};
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| 213 | if (-e "$ENV{'GSDLCOLLECTDIR'}/custom/${collection}/perllib/custombuildproc.pm") {
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| 214 | $buildprocdir = "$ENV{'GSDLCOLLECTDIR'}/custom/${collection}/perllib";
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| 215 | $buildproctype = "custombuildproc";
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| 216 | } elsif (-e "$ENV{'GSDLCOLLECTDIR'}/perllib/custombuildproc.pm") {
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| 217 | $buildprocdir = "$ENV{'GSDLCOLLECTDIR'}/perllib";
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| 218 | $buildproctype = "custombuildproc";
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| 219 | } elsif (-e "$ENV{'GSDLCOLLECTDIR'}/perllib/${collection}buildproc.pm") {
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| 220 | $buildprocdir = "$ENV{'GSDLCOLLECTDIR'}/perllib";
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| 221 | $buildproctype = "${collection}buildproc";
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| 222 | } else {
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| 223 | $buildproctype = $self->default_buildproc();
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| 224 | }
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| 225 | if (defined $buildprocdir) {
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| 226 | require "$buildprocdir/$buildproctype.pm";
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| 227 | }
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| 228 | else {
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| 229 | require "$buildproctype.pm";
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| 230 | }
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| 231 |
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| 232 | eval("\$self->{'buildproc'} = new $buildproctype(\$self->{'collection'}, " .
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| 233 | "\$self->{'source_dir'}, \$self->{'build_dir'}, \$self->{'keepold'}, \$self->{'verbosity'}, \$self->{'outhandle'})");
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| 234 | die "$@" if $@;
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| 235 |
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| 236 | # We call set_infodbtype() now so the buildproc knows the infodbtype for all phases of the build
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| 237 | $self->{'buildproc'}->set_infodbtype($self->{'infodbtype'});
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| 238 |
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| 239 | $self->generate_index_options();
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| 240 |
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| 241 | if (!$self->{'debug'} && !$self->{'keepold'}) {
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| 242 | # remove any old builds
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| 243 | &util::rm_r($self->{'build_dir'});
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| 244 | &util::mk_all_dir($self->{'build_dir'});
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| 245 |
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| 246 | # make the text directory
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| 247 | my $textdir = "$self->{'build_dir'}/text";
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| 248 | &util::mk_all_dir($textdir);
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| 249 | }
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| 250 |
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| 251 | if ($self->{'incremental'}) {
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| 252 | # some classes may need to do some additional initialisation
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| 253 | $self->init_for_incremental_build();
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| 254 | }
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| 255 |
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| 256 | }
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| 257 |
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| 258 | sub is_incremental_capable
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| 259 | {
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| 260 | # By default we return 'no' as the answer
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| 261 | # Safer to assume non-incremental to start with, and then override in
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| 262 | # inherited classes that are.
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| 263 |
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| 264 | return 0;
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| 265 | }
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| 266 |
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| 267 | # implement this in subclass if want to do additional initialisation for an
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| 268 | # incremental build
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| 269 | sub init_for_incremental_build {
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| 270 | my $self = shift (@_);
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| 271 | }
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| 272 |
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| 273 | sub deinit {
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| 274 | my $self = shift (@_);
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| 275 |
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| 276 | &plugin::deinit($self->{'pluginfo'},$self->{'buildproc'});
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| 277 | }
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| 278 |
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| 279 | sub generate_index_options {
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| 280 | my $self = shift (@_);
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| 281 |
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| 282 | my $separate_cjk = 0;
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| 283 |
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| 284 | if (defined($self->{'collect_cfg'}->{'indexoptions'})) {
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| 285 | foreach my $option (@{$self->{'collect_cfg'}->{'indexoptions'}}) {
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| 286 | if ($option =~ /separate_cjk/) {
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| 287 | $separate_cjk = 1;
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| 288 | }
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| 289 | }
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| 290 | }
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| 291 | # set this for building
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| 292 | $self->{'buildproc'}->set_separate_cjk($separate_cjk);
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| 293 | # record it for build.cfg
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| 294 | $self->{'separate_cjk'} = $separate_cjk;
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| 295 | }
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| 296 |
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| 297 | sub set_sections_index_document_metadata {
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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 | $self->{'buildproc'}->set_sections_index_document_metadata($index);
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| 302 | }
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| 303 |
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| 304 | sub set_maxnumeric {
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| 305 | my $self = shift (@_);
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| 306 | my ($maxnumeric) = @_;
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| 307 |
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| 308 | $self->{'maxnumeric'} = $maxnumeric;
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| 309 | }
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| 310 | sub set_strip_html {
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| 311 | my $self = shift (@_);
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| 312 | my ($strip) = @_;
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| 313 |
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| 314 | $self->{'strip_html'} = $strip;
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| 315 | $self->{'buildproc'}->set_strip_html($strip);
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| 316 | }
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| 317 |
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| 318 | sub compress_text {
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| 319 | my $self = shift (@_);
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| 320 | my ($textindex) = @_;
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| 321 |
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| 322 | print STDERR "compress_text() should be implemented in subclass!!";
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| 323 | return;
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| 324 | }
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| 325 |
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| 326 |
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| 327 | sub build_indexes {
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| 328 | my $self = shift (@_);
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| 329 | my ($indexname,$indexlevel) = @_;
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| 330 | my $outhandle = $self->{'outhandle'};
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| 331 |
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| 332 | $self->pre_build_indexes();
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| 333 |
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| 334 | my $indexes = [];
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| 335 | if (defined $indexname && $indexname =~ /\w/) {
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| 336 | push @$indexes, $indexname;
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| 337 | } else {
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| 338 | $indexes = $self->{'collect_cfg'}->{'indexes'};
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| 339 | }
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| 340 |
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| 341 | # create the mapping between the index descriptions
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| 342 | # and their directory names (includes subcolls and langs)
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| 343 | $self->{'index_mapping'} = $self->create_index_mapping ($indexes);
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| 344 |
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| 345 | # build each of the indexes
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| 346 | foreach my $index (@$indexes) {
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| 347 | if ($self->want_built($index)) {
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| 348 | print $outhandle "\n*** building index $index in subdirectory " .
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| 349 | "$self->{'index_mapping'}->{$index}\n" if ($self->{'verbosity'} >= 1);
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| 350 | print STDERR "<Stage name='Index' source='$index'>\n" if $self->{'gli'};
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| 351 | $self->build_index($index);
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| 352 | } else {
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| 353 | print $outhandle "\n*** ignoring index $index\n" if ($self->{'verbosity'} >= 1);
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| 354 | }
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| 355 | }
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| 356 |
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| 357 | $self->post_build_indexes();
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| 358 |
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| 359 | }
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| 360 |
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| 361 | # implement this in subclass if want to do extra stuff at before building
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| 362 | # all the indexes
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| 363 | sub pre_build_indexes {
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| 364 | my $self = shift(@_);
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| 365 | my ($indexname) = @_; # optional parameter
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| 366 | }
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| 367 |
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| 368 | # implement this in subclass if want to do extra stuff at the end of building
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| 369 | # all the indexes
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| 370 | sub post_build_indexes {
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| 371 | my $self = shift(@_);
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| 372 | }
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| 373 |
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| 374 | sub build_index {
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| 375 | my $self = shift (@_);
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| 376 | my ($index) = @_;
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| 377 |
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| 378 | print STDERR "build_index should be implemented in subclass\n";
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| 379 | return;
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| 380 | }
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| 381 |
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| 382 |
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| 383 |
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| 384 | sub make_infodatabase {
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| 385 | my $self = shift (@_);
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| 386 | my $outhandle = $self->{'outhandle'};
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| 387 |
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| 388 | print STDERR "BuildDir: $self->{'build_dir'}\n";
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| 389 |
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| 390 | my $textdir = &util::filename_cat($self->{'build_dir'}, "text");
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| 391 | my $assocdir = &util::filename_cat($self->{'build_dir'}, "assoc");
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| 392 | &util::mk_all_dir ($textdir);
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| 393 | &util::mk_all_dir ($assocdir);
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| 394 |
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| 395 | # Get info database file path
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| 396 | my $infodb_type = $self->{'infodbtype'};
|
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| 397 | my $infodb_file_path = &dbutil::get_infodb_file_path($infodb_type, $self->{'collection'}, $textdir);
|
|---|
| 398 |
|
|---|
| 399 | print $outhandle "\n*** creating the info database and processing associated files\n"
|
|---|
| 400 | if ($self->{'verbosity'} >= 1);
|
|---|
| 401 | print STDERR "<Stage name='CreateInfoData'>\n" if $self->{'gli'};
|
|---|
| 402 |
|
|---|
| 403 | # init all the classifiers
|
|---|
| 404 | &classify::init_classifiers ($self->{'classifiers'});
|
|---|
| 405 |
|
|---|
| 406 | my $reconstructed_docs = undef;
|
|---|
| 407 | my $database_recs = undef;
|
|---|
| 408 |
|
|---|
| 409 | if ($self->{'incremental'}) {
|
|---|
| 410 | $database_recs = {};
|
|---|
| 411 |
|
|---|
| 412 | &dbutil::read_infodb_file($infodb_type, $infodb_file_path, $database_recs);
|
|---|
| 413 | }
|
|---|
| 414 |
|
|---|
| 415 |
|
|---|
| 416 | # Important (for memory usage reasons) that we obtain the filehandle
|
|---|
| 417 | # here for writing out to the database, rather than after
|
|---|
| 418 | # $reconstructed_docs has been set up (assuming -incremental is on)
|
|---|
| 419 | #
|
|---|
| 420 | # This is because when we open a pipe to txt2db [using open()]
|
|---|
| 421 | # this triggers a fork() followed by exec(). $reconstructed_docs
|
|---|
| 422 | # can get very large, and so if we did the open() after this, it means
|
|---|
| 423 | # the fork creates a clone of the *large* process image which (admittedly)
|
|---|
| 424 | # is then quickly replaced in the execve() with the much smaller image for
|
|---|
| 425 | # 'txt2db'. The trouble is, in that seismic second caused by
|
|---|
| 426 | # the fork(), the system really does need to have all that memory available
|
|---|
| 427 | # even though it isn't ultimately used. The result is an out of memory
|
|---|
| 428 | # error.
|
|---|
| 429 |
|
|---|
| 430 | my ($infodb_handle);
|
|---|
| 431 | if ($self->{'debug'}) {
|
|---|
| 432 | $infodb_handle = *STDOUT;
|
|---|
| 433 | }
|
|---|
| 434 | else {
|
|---|
| 435 | $infodb_handle = &dbutil::open_infodb_write_handle($infodb_type, $infodb_file_path);
|
|---|
| 436 | if (!defined($infodb_handle))
|
|---|
| 437 | {
|
|---|
| 438 | print STDERR "<FatalError name='NoRunText2DB'/>\n</Stage>\n" if $self->{'gli'};
|
|---|
| 439 | die "builder::make_infodatabase - couldn't open infodb write handle\n";
|
|---|
| 440 | }
|
|---|
| 441 | }
|
|---|
| 442 |
|
|---|
| 443 | if ($self->{'incremental'}) {
|
|---|
| 444 | # reconstruct doc_obj metadata from database for all docs
|
|---|
| 445 | $reconstructed_docs
|
|---|
| 446 | = &classify::reconstruct_doc_objs_metadata($infodb_type,
|
|---|
| 447 | $infodb_file_path,
|
|---|
| 448 | $database_recs);
|
|---|
| 449 | }
|
|---|
| 450 |
|
|---|
| 451 | # set up the document processor
|
|---|
| 452 |
|
|---|
| 453 | $self->{'buildproc'}->set_output_handle ($infodb_handle);
|
|---|
| 454 | $self->{'buildproc'}->set_mode ('infodb');
|
|---|
| 455 | $self->{'buildproc'}->set_assocdir ($assocdir);
|
|---|
| 456 | $self->{'buildproc'}->set_dontdb ($self->{'dontdb'});
|
|---|
| 457 | $self->{'buildproc'}->set_classifiers ($self->{'classifiers'});
|
|---|
| 458 | $self->{'buildproc'}->set_indexing_text (0);
|
|---|
| 459 | $self->{'buildproc'}->set_store_text(1);
|
|---|
| 460 | $self->{'buildproc'}->set_store_metadata_coverage ($self->{'collect_cfg'}->{'store_metadata_coverage'});
|
|---|
| 461 |
|
|---|
| 462 | # make_infodatabase needs full reset even for incremental build
|
|---|
| 463 | # as incremental works by reconstructing all docs from the database and
|
|---|
| 464 | # then adding in the new ones
|
|---|
| 465 | $self->{'buildproc'}->zero_reset();
|
|---|
| 466 |
|
|---|
| 467 | $self->{'buildproc'}->{'mdprefix_fields'} = {};
|
|---|
| 468 |
|
|---|
| 469 | &plugin::read ($self->{'pluginfo'}, $self->{'source_dir'},
|
|---|
| 470 | "", {}, {}, $self->{'buildproc'}, $self->{'maxdocs'},0, $self->{'gli'});
|
|---|
| 471 |
|
|---|
| 472 | if ($self->{'incremental'}) {
|
|---|
| 473 | # create flat classify structure, ready for new docs to be added
|
|---|
| 474 | foreach my $doc_obj ( @$reconstructed_docs ) {
|
|---|
| 475 | if (! defined $self->{'buildproc'}->{'dont_process_reconstructed'}->{$doc_obj->get_OID()}) {
|
|---|
| 476 | print $outhandle " Adding reconstructed ", $doc_obj->get_OID(), " into classify structures\n";
|
|---|
| 477 | $self->{'buildproc'}->process($doc_obj,undef);
|
|---|
| 478 | }
|
|---|
| 479 | }
|
|---|
| 480 | }
|
|---|
| 481 | # this has changed to only output collection meta if its
|
|---|
| 482 | # not in the config file
|
|---|
| 483 | $self->output_collection_meta($infodb_handle);
|
|---|
| 484 |
|
|---|
| 485 | # output classification information
|
|---|
| 486 | &classify::output_classify_info ($self->{'classifiers'}, $infodb_type, $infodb_handle,
|
|---|
| 487 | $self->{'remove_empty_classifications'},
|
|---|
| 488 | $self->{'gli'});
|
|---|
| 489 |
|
|---|
| 490 | # Output classifier reverse lookup, used in incremental deletion
|
|---|
| 491 | ####&classify::print_reverse_lookup($infodb_handle);
|
|---|
| 492 |
|
|---|
| 493 | # output doclist
|
|---|
| 494 | my @doc_list = $self->{'buildproc'}->get_doc_list();
|
|---|
| 495 | my $browselist_infodb = { 'hastxt' => [ "0" ],
|
|---|
| 496 | 'childtype' => [ "VList" ],
|
|---|
| 497 | 'numleafdocs' => [ scalar(@doc_list) ],
|
|---|
| 498 | 'thistype' => [ "Invisible" ],
|
|---|
| 499 | 'contains' => [ join(";", @doc_list) ] };
|
|---|
| 500 | &dbutil::write_infodb_entry($infodb_type, $infodb_handle, "browselist", $browselist_infodb);
|
|---|
| 501 |
|
|---|
| 502 | &dbutil::close_infodb_write_handle($infodb_type, $infodb_handle) if !$self->{'debug'};
|
|---|
| 503 |
|
|---|
| 504 | if ($infodb_type eq "gdbm-txtgz") {
|
|---|
| 505 | my $gdb_infodb_file_path = &dbutil::get_infodb_file_path("gdbm", $self->{'collection'}, $textdir);
|
|---|
| 506 | if (-e $gdb_infodb_file_path) {
|
|---|
| 507 | &util::rm($gdb_infodb_file_path);
|
|---|
| 508 | }
|
|---|
| 509 | }
|
|---|
| 510 | print STDERR "</Stage>\n" if $self->{'gli'};
|
|---|
| 511 | }
|
|---|
| 512 |
|
|---|
| 513 | sub make_auxiliary_files {
|
|---|
| 514 | my $self = shift (@_);
|
|---|
| 515 | my ($index);
|
|---|
| 516 | my $build_cfg = {};
|
|---|
| 517 | # subclasses may have already defined stuff in here
|
|---|
| 518 | if (defined $self->{'build_cfg'}) {
|
|---|
| 519 | $build_cfg = $self->{'build_cfg'};
|
|---|
| 520 | }
|
|---|
| 521 |
|
|---|
| 522 | my $outhandle = $self->{'outhandle'};
|
|---|
| 523 |
|
|---|
| 524 | print $outhandle "\n*** creating auxiliary files \n" if ($self->{'verbosity'} >= 1);
|
|---|
| 525 | print STDERR "<Stage name='CreatingAuxilary'>\n" if $self->{'gli'};
|
|---|
| 526 |
|
|---|
| 527 | # get the text directory
|
|---|
| 528 | &util::mk_all_dir ($self->{'build_dir'});
|
|---|
| 529 |
|
|---|
| 530 | # store the build date
|
|---|
| 531 | $build_cfg->{'builddate'} = time;
|
|---|
| 532 | $build_cfg->{'buildtype'} = $self->{'buildtype'};
|
|---|
| 533 | $build_cfg->{'indexstem'} = &util::get_dirsep_tail($self->{'collection'});
|
|---|
| 534 | $build_cfg->{'stemindexes'} = $self->{'stemindexes'};
|
|---|
| 535 | if ($self->{'separate_cjk'}) {
|
|---|
| 536 | $build_cfg->{'separate_cjk'} = "true";
|
|---|
| 537 | }
|
|---|
| 538 |
|
|---|
| 539 | # store the number of documents and number of bytes
|
|---|
| 540 | $build_cfg->{'numdocs'} = $self->{'buildproc'}->get_num_docs();
|
|---|
| 541 | $build_cfg->{'numsections'} = $self->{'buildproc'}->get_num_sections();
|
|---|
| 542 | $build_cfg->{'numbytes'} = $self->{'buildproc'}->get_num_bytes();
|
|---|
| 543 |
|
|---|
| 544 | # store the mapping between the index names and the directory names
|
|---|
| 545 | # the index map is used to determine what indexes there are, so any that are not built should not be put into the map.
|
|---|
| 546 | my @indexmap = ();
|
|---|
| 547 | foreach my $index (@{$self->{'index_mapping'}->{'indexmaporder'}}) {
|
|---|
| 548 | if (not defined ($self->{'notbuilt'}->{$index})) {
|
|---|
| 549 | push (@indexmap, "$index\-\>$self->{'index_mapping'}->{'indexmap'}->{$index}");
|
|---|
| 550 | }
|
|---|
| 551 | }
|
|---|
| 552 | $build_cfg->{'indexmap'} = \@indexmap if scalar (@indexmap);
|
|---|
| 553 |
|
|---|
| 554 | my @subcollectionmap = ();
|
|---|
| 555 | foreach my $subcollection (@{$self->{'index_mapping'}->{'subcollectionmaporder'}}) {
|
|---|
| 556 | push (@subcollectionmap, "$subcollection\-\>" .
|
|---|
| 557 | $self->{'index_mapping'}->{'subcollectionmap'}->{$subcollection});
|
|---|
| 558 | }
|
|---|
| 559 | $build_cfg->{'subcollectionmap'} = \@subcollectionmap if scalar (@subcollectionmap);
|
|---|
| 560 |
|
|---|
| 561 | my @languagemap = ();
|
|---|
| 562 | foreach my $language (@{$self->{'index_mapping'}->{'languagemaporder'}}) {
|
|---|
| 563 | push (@languagemap, "$language\-\>" .
|
|---|
| 564 | $self->{'index_mapping'}->{'languagemap'}->{$language});
|
|---|
| 565 | }
|
|---|
| 566 | $build_cfg->{'languagemap'} = \@languagemap if scalar (@languagemap);
|
|---|
| 567 |
|
|---|
| 568 | my @notbuilt = ();
|
|---|
| 569 | foreach my $nb (keys %{$self->{'notbuilt'}}) {
|
|---|
| 570 | push (@notbuilt, $nb);
|
|---|
| 571 | }
|
|---|
| 572 | $build_cfg->{'notbuilt'} = \@notbuilt if scalar (@notbuilt);
|
|---|
| 573 |
|
|---|
| 574 | $build_cfg->{'maxnumeric'} = $self->{'maxnumeric'};
|
|---|
| 575 |
|
|---|
| 576 | $build_cfg->{'infodbtype'} = $self->{'infodbtype'};
|
|---|
| 577 |
|
|---|
| 578 | # write out the earliestDatestamp information needed for OAI
|
|---|
| 579 | my $archivedir = &util::filename_cat ($ENV{'GSDLCOLLECTDIR'}, "archives");
|
|---|
| 580 | if(!-d $archivedir) {
|
|---|
| 581 | $archivedir = &util::filename_cat ($ENV{'GSDLCOLLECTDIR'}, "export");
|
|---|
| 582 | }
|
|---|
| 583 | my $earliestDatestampFile = &util::filename_cat ($archivedir, "earliestDatestamp");
|
|---|
| 584 | my $earliestDatestamp = 0;
|
|---|
| 585 | if (open(FIN,"<$earliestDatestampFile")) {
|
|---|
| 586 | {
|
|---|
| 587 | # slurp in file as a single line
|
|---|
| 588 | local $/ = undef;
|
|---|
| 589 | $earliestDatestamp = <FIN>;
|
|---|
| 590 | #&unicode::ensure_utf8(\$earliestDatestamp); # turn any high bytes that aren't valid utf-8 into utf-8.
|
|---|
| 591 | }
|
|---|
| 592 | close(FIN);
|
|---|
| 593 | }
|
|---|
| 594 | else {
|
|---|
| 595 | print $outhandle "Warning: unable to read collection's earliestDatestamp from $earliestDatestampFile.\n";
|
|---|
| 596 | print $outhandle "Setting value to 0.\n";
|
|---|
| 597 | }
|
|---|
| 598 | $build_cfg->{'earliestdatestamp'} = $earliestDatestamp;
|
|---|
| 599 |
|
|---|
| 600 | $self->build_cfg_extra($build_cfg);
|
|---|
| 601 |
|
|---|
| 602 | if ($gs_mode eq "gs2") {
|
|---|
| 603 | &colcfg::write_build_cfg(&util::filename_cat($self->{'build_dir'},"build.cfg"), $build_cfg);
|
|---|
| 604 | }
|
|---|
| 605 | if ($gs_mode eq "gs3") {
|
|---|
| 606 |
|
|---|
| 607 | &colcfg::write_build_cfg_xml(&util::filename_cat($self->{'build_dir'}, "buildConfig.xml"), $build_cfg, $self->{'collect_cfg_preserve'});
|
|---|
| 608 | }
|
|---|
| 609 |
|
|---|
| 610 | print STDERR "</Stage>\n" if $self->{'gli'};
|
|---|
| 611 | }
|
|---|
| 612 |
|
|---|
| 613 | # implement this in subclass if want to add extra stuff to build.cfg
|
|---|
| 614 | sub build_cfg_extra {
|
|---|
| 615 | my $self = shift(@_);
|
|---|
| 616 | my ($build_cfg) = @_;
|
|---|
| 617 |
|
|---|
| 618 | }
|
|---|
| 619 |
|
|---|
| 620 |
|
|---|
| 621 | sub collect_specific {
|
|---|
| 622 | my $self = shift (@_);
|
|---|
| 623 | }
|
|---|
| 624 |
|
|---|
| 625 | sub want_built {
|
|---|
| 626 | my $self = shift (@_);
|
|---|
| 627 | my ($index) = @_;
|
|---|
| 628 |
|
|---|
| 629 | if (defined ($self->{'collect_cfg'}->{'dontbuild'})) {
|
|---|
| 630 | foreach my $checkstr (@{$self->{'collect_cfg'}->{'dontbuild'}}) {
|
|---|
| 631 | if ($index =~ /^$checkstr$/) {
|
|---|
| 632 | $self->{'notbuilt'}->{$index} = 1;
|
|---|
| 633 | return 0;
|
|---|
| 634 | }
|
|---|
| 635 | }
|
|---|
| 636 | }
|
|---|
| 637 |
|
|---|
| 638 | return 1;
|
|---|
| 639 | }
|
|---|
| 640 |
|
|---|
| 641 | sub create_index_mapping {
|
|---|
| 642 | my $self = shift (@_);
|
|---|
| 643 | my ($indexes) = @_;
|
|---|
| 644 |
|
|---|
| 645 | print STDERR "create_index_mapping should be implemented in subclass\n";
|
|---|
| 646 | my %mapping = ();
|
|---|
| 647 | return \%mapping;
|
|---|
| 648 | }
|
|---|
| 649 |
|
|---|
| 650 | # returns a processed version of a field.
|
|---|
| 651 | # if the field has only one component the processed
|
|---|
| 652 | # version will contain the first character and next consonant
|
|---|
| 653 | # of that componant - otherwise it will contain the first
|
|---|
| 654 | # character of the first two components
|
|---|
| 655 | # only uses letdig (\w) characters now
|
|---|
| 656 | sub process_field {
|
|---|
| 657 | my $self = shift (@_);
|
|---|
| 658 | my ($field) = @_;
|
|---|
| 659 |
|
|---|
| 660 | return "" unless (defined ($field) && $field =~ /\S/);
|
|---|
| 661 |
|
|---|
| 662 | my ($a, $b);
|
|---|
| 663 | my @components = split /,/, $field;
|
|---|
| 664 | if (scalar @components >= 2) {
|
|---|
| 665 | # pick the first letdig from the first two field names
|
|---|
| 666 | ($a) = $components[0] =~ /^[^\w]*(\w)/;
|
|---|
| 667 | ($b) = $components[1] =~ /^[^\w]*(\w)/;
|
|---|
| 668 | } else {
|
|---|
| 669 | # pick the first two letdig chars
|
|---|
| 670 | ($a, $b) = $field =~ /^[^\w]*(\w)[^\w]*?(\w)/i;
|
|---|
| 671 | }
|
|---|
| 672 | # there may not have been any letdigs...
|
|---|
| 673 | $a = 'a' unless defined $a;
|
|---|
| 674 | $b = '0' unless defined $b;
|
|---|
| 675 |
|
|---|
| 676 | my $newfield = "$a$b";
|
|---|
| 677 | if ($newfield =~ /^\d\d$/) {
|
|---|
| 678 | # digits only - Greenstone runtime doesn't like this.
|
|---|
| 679 | $newfield = "a$a";
|
|---|
| 680 | }
|
|---|
| 681 | return $newfield;
|
|---|
| 682 |
|
|---|
| 683 | }
|
|---|
| 684 |
|
|---|
| 685 | sub get_next_version {
|
|---|
| 686 | my $self = shift (@_);
|
|---|
| 687 | my ($nameref) = @_;
|
|---|
| 688 | my $num=0;
|
|---|
| 689 | if ($$nameref =~ /(\d\d)$/) {
|
|---|
| 690 | $num = $1; $num ++;
|
|---|
| 691 | $$nameref =~ s/\d\d$/$num/;
|
|---|
| 692 | } elsif ($$nameref =~ /(\d)$/) {
|
|---|
| 693 | $num = $1;
|
|---|
| 694 | if ($num == 9) {$$nameref =~ s/\d$/10/;}
|
|---|
| 695 | else {$num ++; $$nameref =~ s/\d$/$num/;}
|
|---|
| 696 | } else {
|
|---|
| 697 | $$nameref =~ s/.$/0/;
|
|---|
| 698 | }
|
|---|
| 699 | }
|
|---|
| 700 |
|
|---|
| 701 |
|
|---|
| 702 |
|
|---|
| 703 | sub get_collection_meta_sets
|
|---|
| 704 | {
|
|---|
| 705 | my $self = shift(@_);
|
|---|
| 706 | my $collection_infodb = shift(@_);
|
|---|
| 707 |
|
|---|
| 708 | my $mdprefix_fields = $self->{'buildproc'}->{'mdprefix_fields'};
|
|---|
| 709 | foreach my $prefix (keys %$mdprefix_fields)
|
|---|
| 710 | {
|
|---|
| 711 | push(@{$collection_infodb->{"metadataset"}}, $prefix);
|
|---|
| 712 |
|
|---|
| 713 | foreach my $field (keys %{$mdprefix_fields->{$prefix}})
|
|---|
| 714 | {
|
|---|
| 715 | push(@{$collection_infodb->{"metadatalist-$prefix"}}, $field);
|
|---|
| 716 |
|
|---|
| 717 | my $val = $mdprefix_fields->{$prefix}->{$field};
|
|---|
| 718 | push(@{$collection_infodb->{"metadatafreq-$prefix-$field"}}, $val);
|
|---|
| 719 | }
|
|---|
| 720 | }
|
|---|
| 721 | }
|
|---|
| 722 |
|
|---|
| 723 |
|
|---|
| 724 | # default is to output the metadata sets (prefixes) used in collection
|
|---|
| 725 | sub output_collection_meta
|
|---|
| 726 | {
|
|---|
| 727 | my $self = shift(@_);
|
|---|
| 728 | my $infodb_handle = shift(@_);
|
|---|
| 729 |
|
|---|
| 730 | my %collection_infodb = ();
|
|---|
| 731 | $self->get_collection_meta_sets(\%collection_infodb);
|
|---|
| 732 | &dbutil::write_infodb_entry($self->{'infodbtype'}, $infodb_handle, "collection", \%collection_infodb);
|
|---|
| 733 | }
|
|---|
| 734 |
|
|---|
| 735 | # sometimes we need to read in an existing build.cfg - for example,
|
|---|
| 736 | # if doing each stage of building separately, or when doing incremental
|
|---|
| 737 | # building
|
|---|
| 738 | sub read_build_cfg {
|
|---|
| 739 | my $self = shift(@_);
|
|---|
| 740 |
|
|---|
| 741 | my $buildconfigfilename;
|
|---|
| 742 |
|
|---|
| 743 | if ($gs_mode eq "gs2") {
|
|---|
| 744 | $buildconfigfilename = "build.cfg";
|
|---|
| 745 | } else {
|
|---|
| 746 | $buildconfigfilename = "buildConfig.xml";
|
|---|
| 747 | }
|
|---|
| 748 |
|
|---|
| 749 | my $buildconfigfile = &util::filename_cat($self->{'build_dir'}, $buildconfigfilename);
|
|---|
| 750 |
|
|---|
| 751 | if (!-e $buildconfigfile) {
|
|---|
| 752 | # try the index dir - but do we know where it is?? try here
|
|---|
| 753 | $buildconfigfile = &util::filename_cat($ENV{'GSDLCOLLECTDIR'}, "index", $buildconfigfilename);
|
|---|
| 754 | if (!-e $buildconfigfile) {
|
|---|
| 755 | #we cant find a config file - just ignore the field list
|
|---|
| 756 | return undef;
|
|---|
| 757 | }
|
|---|
| 758 | }
|
|---|
| 759 | return &colcfg::read_building_cfg( $buildconfigfile, $gs_mode);
|
|---|
| 760 |
|
|---|
| 761 | }
|
|---|
| 762 |
|
|---|
| 763 | sub print_stats {
|
|---|
| 764 | my $self = shift (@_);
|
|---|
| 765 |
|
|---|
| 766 | my $outhandle = $self->{'outhandle'};
|
|---|
| 767 | my $indexing_text = $self->{'buildproc'}->get_indexing_text();
|
|---|
| 768 | my $index = $self->{'buildproc'}->get_index();
|
|---|
| 769 | my $num_bytes = $self->{'buildproc'}->get_num_bytes();
|
|---|
| 770 | my $num_processed_bytes = $self->{'buildproc'}->get_num_processed_bytes();
|
|---|
| 771 |
|
|---|
| 772 | if ($indexing_text) {
|
|---|
| 773 | print $outhandle "Stats (Creating index $index)\n";
|
|---|
| 774 | } else {
|
|---|
| 775 | print $outhandle "Stats (Compressing text from $index)\n";
|
|---|
| 776 | }
|
|---|
| 777 | print $outhandle "Total bytes in collection: $num_bytes\n";
|
|---|
| 778 | print $outhandle "Total bytes in $index: $num_processed_bytes\n";
|
|---|
| 779 |
|
|---|
| 780 | if ($num_processed_bytes < 50 && ($indexing_text || !$self->{'no_text'})) {
|
|---|
| 781 |
|
|---|
| 782 | if ($self->{'incremental'}) {
|
|---|
| 783 | if ($num_processed_bytes == 0) {
|
|---|
| 784 | if ($indexing_text) {
|
|---|
| 785 | print $outhandle "No additional text was added to $index\n";
|
|---|
| 786 | } elsif (!$self->{'no_text'}) {
|
|---|
| 787 | print $outhandle "No additional text was compressed\n";
|
|---|
| 788 | }
|
|---|
| 789 | }
|
|---|
| 790 | }
|
|---|
| 791 | else {
|
|---|
| 792 | print $outhandle "***************\n";
|
|---|
| 793 | if ($indexing_text) {
|
|---|
| 794 | print $outhandle "WARNING: There is very little or no text to process for $index\n";
|
|---|
| 795 | } elsif (!$self->{'no_text'}) {
|
|---|
| 796 | print $outhandle "WARNING: There is very little or no text to compress\n";
|
|---|
| 797 | }
|
|---|
| 798 | print $outhandle " Was this your intention?\n";
|
|---|
| 799 | print $outhandle "***************\n";
|
|---|
| 800 | }
|
|---|
| 801 |
|
|---|
| 802 | }
|
|---|
| 803 |
|
|---|
| 804 | }
|
|---|
| 805 |
|
|---|
| 806 | sub prepare_build_recipe
|
|---|
| 807 | {
|
|---|
| 808 | my ($self) = @_;
|
|---|
| 809 | my $outhandle = $self->{'outhandle'};
|
|---|
| 810 | print $outhandle "WARNING: This indexer cannot generate parallel building recipe\n";
|
|---|
| 811 | }
|
|---|
| 812 |
|
|---|
| 813 | 1;
|
|---|
| 814 |
|
|---|
