| 1 | ###########################################################################
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| 2 | #
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| 3 | # mgppbuilder.pm -- MGBuilder object
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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 mgppbuilder;
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| 27 |
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| 28 | use basebuilder;
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| 29 | use classify;
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| 30 | use cfgread;
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| 31 | use colcfg;
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| 32 | use plugin;
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| 33 | use util;
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| 34 | use FileHandle;
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| 35 |
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| 36 | sub BEGIN {
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| 37 | @mgppbuilder::ISA = ('basebuilder');
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| 38 | }
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| 39 |
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| 40 |
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| 41 |
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| 42 | our %level_map = ('document'=>'Doc',
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| 43 | 'section'=>'Sec',
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| 44 | 'paragraph'=>'Para',
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| 45 | 'Doc'=>'_textdocument_',
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| 46 | 'Sec'=>'_textsection_',
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| 47 | 'Para'=>'_textparagraph_');
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| 48 |
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| 49 | our %wanted_index_files = ('td'=>1,
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| 50 | 't'=>1,
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| 51 | 'tl'=>1,
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| 52 | 'ti'=>1,
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| 53 | 'idb'=>1,
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| 54 | 'ib1'=>1,
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| 55 | 'ib2'=>1,
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| 56 | 'ib3'=>1,
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| 57 | 'ib4'=>1,
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| 58 | 'ib5'=>1,
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| 59 | 'ib6'=>1,
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| 60 | 'ib7'=>1,
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| 61 | 'i'=>1,
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| 62 | 'il'=>1,
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| 63 | 'w'=>1,
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| 64 | 'wa'=>1);
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| 65 |
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| 66 | # change this so a user can add their own ones in via a file or cfg
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| 67 | #add AND, OR, NOT NEAR to this list - these cannot be used as field names
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| 68 | #also add the level names (Doc, Sec, Para)
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| 69 | our %static_indexfield_map = ('Title'=>'TI',
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| 70 | 'TI'=>1,
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| 71 | 'Subject'=>'SU',
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| 72 | 'SU'=>1,
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| 73 | 'Creator'=>'CR',
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| 74 | 'CR'=>1,
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| 75 | 'Organization'=>'ORG',
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| 76 | 'ORG'=>1,
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| 77 | 'Source'=>'SO',
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| 78 | 'SO'=>1,
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| 79 | 'Howto'=>'HT',
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| 80 | 'HT'=>1,
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| 81 | 'ItemTitle'=>'IT',
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| 82 | 'IT'=>1,
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| 83 | 'ProgNumber'=>'PN',
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| 84 | 'PN'=>1,
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| 85 | 'People'=>'PE',
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| 86 | 'PE'=>1,
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| 87 | 'Coverage'=>'CO',
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| 88 | 'CO'=>1,
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| 89 | 'allfields'=>'ZZ',
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| 90 | 'ZZ'=>1,
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| 91 | 'text'=>'TX',
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| 92 | 'TX'=>1,
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| 93 | 'AND'=>1,
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| 94 | 'OR'=>1,
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| 95 | 'NOT'=>1,
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| 96 | 'NEAR'=>1,
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| 97 | 'Doc'=>1,
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| 98 | 'Sec'=>1,
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| 99 | 'Para'=>1);
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| 100 |
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| 101 | my $maxdocsize = $basebuilder::maxdocsize;
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| 102 |
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| 103 | sub new {
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| 104 | my $class = shift(@_);
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| 105 |
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| 106 | my $self = new basebuilder (@_);
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| 107 | $self = bless $self, $class;
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| 108 |
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| 109 | $self->{'indexfieldmap'} = \%static_indexfield_map;
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| 110 |
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| 111 | # get the levels (Section, Paragraph) for indexing and compression
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| 112 | $self->{'levels'} = {};
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| 113 | $self->{'levelorder'} = ();
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| 114 | if (defined $self->{'collect_cfg'}->{'levels'}) {
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| 115 | foreach my $level ( @{$self->{'collect_cfg'}->{'levels'}} ){
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| 116 | $level =~ tr/A-Z/a-z/;
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| 117 | $self->{'levels'}->{$level} = 1;
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| 118 | push (@{$self->{'levelorder'}}, $level);
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| 119 | }
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| 120 | } else { # default to document
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| 121 | $self->{'levels'}->{'document'} = 1;
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| 122 | push (@{$self->{'levelorder'}}, 'document');
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| 123 | }
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| 124 |
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| 125 | $self->{'buildtype'} = "mgpp";
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| 126 |
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| 127 | return $self;
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| 128 | }
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| 129 |
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| 130 | sub generate_index_list {
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| 131 | my $self = shift (@_);
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| 132 |
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| 133 | # sort out the indexes
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| 134 | #indexes are specified with spaces, but we put them into one index
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| 135 | my $indexes = $self->{'collect_cfg'}->{'indexes'};
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| 136 | $self->{'collect_cfg'}->{'indexes'} = [];
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| 137 | push (@{$self->{'collect_cfg'}->{'indexes'}}, join(';', @$indexes).";");
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| 138 | }
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| 139 |
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| 140 | sub generate_index_options {
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| 141 | my $self = shift (@_);
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| 142 |
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| 143 | $self->{'casefold'} = 0;
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| 144 | $self->{'stem'} = 0;
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| 145 | $self->{'accentfold'} = 0;
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| 146 |
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| 147 | if (!defined($self->{'collect_cfg'}->{'indexoptions'})) {
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| 148 | # just use default options
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| 149 | $self->{'casefold'} = 1;
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| 150 | $self->{'stem'} = 1;
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| 151 | $self->{'accentfold'} = 1;
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| 152 | } else {
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| 153 | foreach my $option (@{$self->{'collect_cfg'}->{'indexoptions'}}) {
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| 154 | if ($option =~ /stem/) {
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| 155 | $self->{'stem'} = 1;
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| 156 | } elsif ($option =~ /casefold/) {
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| 157 | $self->{'casefold'} = 1;
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| 158 | } elsif ($option =~ /accentfold/) {
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| 159 | $self->{'accentfold'} = 1;
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| 160 | }
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| 161 | }
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| 162 | }
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| 163 |
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| 164 | # now we record this for the build cfg
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| 165 | $self->{'stemindexes'} = 0;
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| 166 | if ($self->{'casefold'}) {
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| 167 | $self->{'stemindexes'} += 1;
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| 168 | }
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| 169 | if ($self->{'stem'}) {
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| 170 | $self->{'stemindexes'} += 2;
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| 171 | }
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| 172 | if ($self->{'accentfold'}) {
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| 173 | $self->{'stemindexes'} += 4;
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| 174 | }
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| 175 |
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| 176 | }
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| 177 |
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| 178 | sub default_buildproc {
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| 179 | my $self = shift (@_);
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| 180 |
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| 181 | return "mgppbuildproc";
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| 182 | }
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| 183 |
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| 184 | sub compress_text {
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| 185 |
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| 186 | my $self = shift (@_);
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| 187 |
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| 188 | # we don't do anything if we don't want compressed text
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| 189 | return if $self->{'no_text'};
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| 190 |
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| 191 | my ($textindex) = @_;
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| 192 |
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| 193 | my $exedir = "$ENV{'GSDLHOME'}/bin/$ENV{'GSDLOS'}";
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| 194 | my $exe = &util::get_os_exe ();
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| 195 | my $mgpp_passes_exe = &util::filename_cat($exedir, "mgpp_passes$exe");
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| 196 | my $mgpp_compression_dict_exe = &util::filename_cat($exedir, "mgpp_compression_dict$exe");
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| 197 | my $outhandle = $self->{'outhandle'};
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| 198 |
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| 199 | my $maxnumeric = $self->{'maxnumeric'};
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| 200 |
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| 201 | &util::mk_all_dir (&util::filename_cat($self->{'build_dir'}, "text"));
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| 202 |
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| 203 | my $basefilename = "text/$self->{'collection'}";
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| 204 | my $fulltextprefix = &util::filename_cat ($self->{'build_dir'}, $basefilename);
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| 205 |
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| 206 | my $osextra = "";
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| 207 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
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| 208 | $fulltextprefix =~ s@/@\\@g;
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| 209 | }
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| 210 | else {
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| 211 | $osextra = " -d /";
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| 212 | }
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| 213 |
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| 214 |
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| 215 | # define the section names and possibly the doc name for mgpasses
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| 216 | # the compressor doesn't need to know about paragraphs - never want to
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| 217 | # retrieve them
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| 218 |
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| 219 | # always use Doc and Sec levels
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| 220 | my $mgpp_passes_sections = "-J ". $level_map{"document"} ." -K " . $level_map{"section"} ." ";
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| 221 |
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| 222 | print $outhandle "\n*** creating the compressed text\n" if ($self->{'verbosity'} >= 1);
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| 223 | print STDERR "<Stage name='CompressText'>\n" if $self->{'gli'};
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| 224 |
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| 225 | # collect the statistics for the text
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| 226 | # -b $maxdocsize sets the maximum document size to be 12 meg
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| 227 | print $outhandle "\n collecting text statistics (mgpp_passes -T1)\n" if ($self->{'verbosity'} >= 1);
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| 228 | print STDERR "<Phase name='CollectTextStats'/>\n" if $self->{'gli'};
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| 229 |
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| 230 | my ($handle);
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| 231 | if ($self->{'debug'}) {
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| 232 | $handle = STDOUT;
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| 233 | } else {
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| 234 | if (!-e "$mgpp_passes_exe" ||
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| 235 | !open (PIPEOUT, "| mgpp_passes$exe -M $maxnumeric $mgpp_passes_sections -f \"$fulltextprefix\" -T1 $osextra")) {
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| 236 | print STDERR "<FatalError name='NoRunMGPasses'>\n</Stage>\n" if $self->{'gli'};
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| 237 | die "mgppbuilder::compress_text - couldn't run $mgpp_passes_exe\n";
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| 238 | }
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| 239 | $handle = mgppbuilder::PIPEOUT;
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| 240 | }
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| 241 |
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| 242 | my $gdbm_level = "section";
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| 243 |
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| 244 | $self->{'buildproc'}->set_output_handle ($handle);
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| 245 | $self->{'buildproc'}->set_mode ('text');
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| 246 | $self->{'buildproc'}->set_index ($textindex);
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| 247 | $self->{'buildproc'}->set_indexing_text (0);
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| 248 | $self->{'buildproc'}->set_indexfieldmap ($self->{'indexfieldmap'});
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| 249 | $self->{'buildproc'}->set_levels ($self->{'levels'});
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| 250 | $self->{'buildproc'}->set_gdbm_level ($gdbm_level);
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| 251 | $self->{'buildproc'}->reset();
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| 252 | &plugin::begin($self->{'pluginfo'}, $self->{'source_dir'},
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| 253 | $self->{'buildproc'}, $self->{'maxdocs'});
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| 254 | &plugin::read ($self->{'pluginfo'}, $self->{'source_dir'},
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| 255 | "", {}, $self->{'buildproc'}, $self->{'maxdocs'}, 0, $self->{'gli'});
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| 256 | &plugin::end($self->{'pluginfo'});
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| 257 | close (PIPEOUT);
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| 258 |
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| 259 | close ($handle) unless $self->{'debug'};
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| 260 |
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| 261 | $self->print_stats();
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| 262 |
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| 263 | # create the compression dictionary
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| 264 | # the compression dictionary is built by assuming the stats are from a seed
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| 265 | # dictionary (-S), if a novel word is encountered it is spelled out (-H),
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| 266 | # and the resulting dictionary must be less than 5 meg with the most
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| 267 | # frequent words being put into the dictionary first (-2 -k 5120)
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| 268 | # note: these options are left over from mg version
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| 269 | if (!$self->{'debug'}) {
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| 270 | print $outhandle "\n creating the compression dictionary\n" if ($self->{'verbosity'} >= 1);
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| 271 | print STDERR "<Phase name='CreatingCompress'/>\n" if $self->{'gli'};
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| 272 | if (!-e "$mgpp_compression_dict_exe") {
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| 273 | print STDERR "<FatalError name='NoRunMGCompress'/>\n</Stage>\n" if $self->{'gli'};
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| 274 | die "mgppbuilder::compress_text - couldn't run $mgpp_compression_dict_exe\n";
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| 275 | }
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| 276 | system ("mgpp_compression_dict$exe -f \"$fulltextprefix\" -S -H -2 -k 5120 $osextra");
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| 277 |
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| 278 | if (!$self->{'debug'}) {
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| 279 | if (!-e "$mgpp_passes_exe" ||
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| 280 | !open ($handle, "| mgpp_passes$exe -M $maxnumeric $mgpp_passes_sections -f \"$fulltextprefix\" -T2 $osextra")) {
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| 281 | print STDERR "<FatalError name='NoRunMGPasses'/>\n</Stage>\n" if $self->{'gli'};
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| 282 | die "mgppbuilder::compress_text - couldn't run $mgpp_passes_exe\n";
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| 283 | }
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| 284 | }
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| 285 | }
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| 286 | else {
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| 287 | print STDERR "<Phase name='SkipCreatingComp'/>\n" if $self->{'gli'};
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| 288 | }
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| 289 |
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| 290 | $self->{'buildproc'}->reset();
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| 291 | # compress the text
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| 292 | print $outhandle "\n compressing the text (mgpp_passes -T2)\n" if ($self->{'verbosity'} >= 1);
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| 293 | print STDERR "<Phase name='CompressingText'/>\n" if $self->{'gli'};
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| 294 |
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| 295 | &plugin::read ($self->{'pluginfo'}, $self->{'source_dir'},
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| 296 | "", {}, $self->{'buildproc'}, $self->{'maxdocs'}, 0, $self->{'gli'});
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| 297 | close ($handle) unless $self->{'debug'};
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| 298 |
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| 299 | $self->print_stats();
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| 300 | print STDERR "</Stage>\n" if $self->{'gli'};
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| 301 | }
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| 302 |
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| 303 |
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| 304 | sub build_indexes_extra {
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| 305 | my $self = shift(@_);
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| 306 | #define the final field lists
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| 307 | $self->make_final_field_list();
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| 308 | }
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| 309 |
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| 310 | # creates directory names for each of the index descriptions
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| 311 | sub create_index_mapping {
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| 312 | my $self = shift (@_);
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| 313 | my ($indexes) = @_;
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| 314 |
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| 315 | my %mapping = ();
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| 316 |
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| 317 | $mapping{'indexmaporder'} = [];
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| 318 | $mapping{'subcollectionmaporder'} = [];
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| 319 | $mapping{'languagemaporder'} = [];
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| 320 |
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| 321 | # dirnames is used to check for collisions. Start this off
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| 322 | # with the manditory directory names
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| 323 | my %dirnames = ('text'=>'text',
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| 324 | 'extra'=>'extra');
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| 325 | my %pnames = ('index' => {}, 'subcollection' => {}, 'languages' => {});
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| 326 |
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| 327 | foreach my $index (@$indexes) {
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| 328 | my ($fields, $subcollection, $languages) = split (":", $index);
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| 329 |
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| 330 | # we only ever have one index, and its called 'idx'
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| 331 | my $pindex = 'idx';
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| 332 |
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| 333 | # next comes a processed version of the subcollection if there is one.
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| 334 | my $psub = $self->process_field ($subcollection);
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| 335 | $psub = lc ($psub);
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| 336 |
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| 337 | # next comes a processed version of the language if there is one.
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| 338 | my $plang = $self->process_field ($languages);
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| 339 | $plang = lc ($plang);
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| 340 |
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| 341 | my $dirname = $pindex . $psub . $plang;
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| 342 |
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| 343 | # check to be sure all index names are unique
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| 344 | while (defined ($dirnames{$dirname})) {
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| 345 | $dirname = $self->make_unique (\%pnames, $index, \$pindex, \$psub, \$plang);
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| 346 | }
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| 347 |
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| 348 | $mapping{$index} = $dirname;
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| 349 |
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| 350 | # store the mapping orders as well as the maps
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| 351 | # also put index, subcollection and language fields into the mapping thing -
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| 352 | # (the full index name (eg text:subcol:lang) is not used on
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| 353 | # the query page) -these are used for collectionmeta later on
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| 354 | if (!defined $mapping{'indexmap'}{"$fields"}) {
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| 355 | $mapping{'indexmap'}{"$fields"} = $pindex;
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| 356 | push (@{$mapping{'indexmaporder'}}, "$fields");
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| 357 | if (!defined $mapping{"$fields"}) {
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| 358 | $mapping{"$fields"} = $pindex;
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| 359 | }
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| 360 | }
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| 361 | if ($psub =~ /\w/ && !defined ($mapping{'subcollectionmap'}{$subcollection})) {
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| 362 | $mapping{'subcollectionmap'}{$subcollection} = $psub;
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| 363 | push (@{$mapping{'subcollectionmaporder'}}, $subcollection);
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| 364 | $mapping{$subcollection} = $psub;
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| 365 | }
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| 366 | if ($plang =~ /\w/ && !defined ($mapping{'languagemap'}{$languages})) {
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| 367 | $mapping{'languagemap'}{$languages} = $plang;
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| 368 | push (@{$mapping{'languagemaporder'}}, $languages);
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| 369 | $mapping{$languages} = $plang;
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| 370 | }
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| 371 | $dirnames{$dirname} = $index;
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| 372 | $pnames{'index'}->{$pindex} = "$fields";
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| 373 | $pnames{'subcollection'}->{$psub} = $subcollection;
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| 374 | $pnames{'languages'}->{$plang} = $languages;
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| 375 | }
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| 376 |
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| 377 | return \%mapping;
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| 378 | }
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| 379 |
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| 380 | sub make_unique {
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| 381 | my $self = shift (@_);
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| 382 | my ($namehash, $index, $indexref, $subref, $langref) = @_;
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| 383 | my ($fields, $subcollection, $languages) = split (":", $index);
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| 384 |
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| 385 | if ($namehash->{'index'}->{$$indexref} ne "$fields") {
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| 386 | $self->get_next_version ($indexref);
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| 387 | } elsif ($namehash->{'subcollection'}->{$$subref} ne $subcollection) {
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| 388 | $self->get_next_version ($subref);
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| 389 | } elsif ($namehash->{'languages'}->{$$langref} ne $languages) {
|
|---|
| 390 | $self->get_next_version ($langref);
|
|---|
| 391 | }
|
|---|
| 392 | return "$$indexref$$subref$$langref";
|
|---|
| 393 | }
|
|---|
| 394 |
|
|---|
| 395 |
|
|---|
| 396 | sub build_index {
|
|---|
| 397 | my $self = shift (@_);
|
|---|
| 398 | my ($index) = @_;
|
|---|
| 399 | my $outhandle = $self->{'outhandle'};
|
|---|
| 400 |
|
|---|
| 401 | # get the full index directory path and make sure it exists
|
|---|
| 402 | my $indexdir = $self->{'index_mapping'}->{$index};
|
|---|
| 403 | &util::mk_all_dir (&util::filename_cat($self->{'build_dir'}, $indexdir));
|
|---|
| 404 | my $fullindexprefix = &util::filename_cat ($self->{'build_dir'},
|
|---|
| 405 | $indexdir,
|
|---|
| 406 | $self->{'collection'});
|
|---|
| 407 | my $fulltextprefix = &util::filename_cat ($self->{'build_dir'}, "text",
|
|---|
| 408 | $self->{'collection'});
|
|---|
| 409 |
|
|---|
| 410 | # get any os specific stuff
|
|---|
| 411 | my $exedir = "$ENV{'GSDLHOME'}/bin/$ENV{'GSDLOS'}";
|
|---|
| 412 |
|
|---|
| 413 | my $exe = &util::get_os_exe ();
|
|---|
| 414 | my $mgpp_passes_exe = &util::filename_cat($exedir, "mgpp_passes$exe");
|
|---|
| 415 |
|
|---|
| 416 | # define the section names for mgpasses
|
|---|
| 417 | my $mgpp_passes_sections = "-J ". $level_map{"document"} ." -K " . $level_map{"section"} ." ";
|
|---|
| 418 | if ($self->{'levels'}->{'paragraph'}) {
|
|---|
| 419 | $mgpp_passes_sections .= "-K " . $level_map{'paragraph'}. " ";
|
|---|
| 420 | }
|
|---|
| 421 |
|
|---|
| 422 | my $mgpp_perf_hash_build_exe =
|
|---|
| 423 | &util::filename_cat($exedir, "mgpp_perf_hash_build$exe");
|
|---|
| 424 | my $mgpp_weights_build_exe =
|
|---|
| 425 | &util::filename_cat ($exedir, "mgpp_weights_build$exe");
|
|---|
| 426 | my $mgpp_invf_dict_exe =
|
|---|
| 427 | &util::filename_cat ($exedir, "mgpp_invf_dict$exe");
|
|---|
| 428 | my $mgpp_stem_idx_exe =
|
|---|
| 429 | &util::filename_cat ($exedir, "mgpp_stem_idx$exe");
|
|---|
| 430 |
|
|---|
| 431 | my $maxnumeric = $self->{'maxnumeric'};
|
|---|
| 432 |
|
|---|
| 433 | my $osextra = "";
|
|---|
| 434 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
|
|---|
| 435 | $fullindexprefix =~ s@/@\\@g;
|
|---|
| 436 | } else {
|
|---|
| 437 | $osextra = " -d /";
|
|---|
| 438 | if ($outhandle ne "STDERR") {
|
|---|
| 439 | # so mgpp_passes doesn't print to stderr if we redirect output
|
|---|
| 440 | $osextra .= " 2>/dev/null";
|
|---|
| 441 | }
|
|---|
| 442 | }
|
|---|
| 443 |
|
|---|
| 444 | # get the index expression if this index belongs
|
|---|
| 445 | # to a subcollection
|
|---|
| 446 | my $indexexparr = [];
|
|---|
| 447 | my $langarr = [];
|
|---|
| 448 | # there may be subcollection info, and language info.
|
|---|
| 449 | my ($fields, $subcollection, $language) = split (":", $index);
|
|---|
| 450 | my @subcollections = ();
|
|---|
| 451 | @subcollections = split /,/, $subcollection if (defined $subcollection);
|
|---|
| 452 |
|
|---|
| 453 | foreach $subcollection (@subcollections) {
|
|---|
| 454 | if (defined ($self->{'collect_cfg'}->{'subcollection'}->{$subcollection})) {
|
|---|
| 455 | push (@$indexexparr, $self->{'collect_cfg'}->{'subcollection'}->{$subcollection});
|
|---|
| 456 | }
|
|---|
| 457 | }
|
|---|
| 458 |
|
|---|
| 459 | # add expressions for languages if this index belongs to
|
|---|
| 460 | # a language subcollection - only put languages expressions for the
|
|---|
| 461 | # ones we want in the index
|
|---|
| 462 |
|
|---|
| 463 | my @languages = ();
|
|---|
| 464 | my $language_metadata = "Language";
|
|---|
| 465 | if (defined ($self->{'collect_cfg'}->{'language_metadata'})) {
|
|---|
| 466 | $language_metadata = $self->{'collect_cfg'}->{'language_metadata'};
|
|---|
| 467 | }
|
|---|
| 468 | @languages = split /,/, $language if (defined $language);
|
|---|
| 469 | foreach my $language (@languages) {
|
|---|
| 470 | my $not=0;
|
|---|
| 471 | if ($language =~ s/^\!//) {
|
|---|
| 472 | $not = 1;
|
|---|
| 473 | }
|
|---|
| 474 | if($not) {
|
|---|
| 475 | push (@$langarr, "!$language");
|
|---|
| 476 | } else {
|
|---|
| 477 | push (@$langarr, "$language");
|
|---|
| 478 | }
|
|---|
| 479 | }
|
|---|
| 480 |
|
|---|
| 481 | # Build index dictionary. Uses verbatim stem method
|
|---|
| 482 | print $outhandle "\n creating index dictionary (mgpp_passes -I1)\n" if ($self->{'verbosity'} >= 1);
|
|---|
| 483 | print STDERR "<Phase name='CreatingIndexDic'/>\n" if $self->{'gli'};
|
|---|
| 484 | my ($handle);
|
|---|
| 485 | if ($self->{'debug'}) {
|
|---|
| 486 | $handle = STDOUT;
|
|---|
| 487 | } else {
|
|---|
| 488 | if (!-e "$mgpp_passes_exe" ||
|
|---|
| 489 | !open (PIPEOUT, "| mgpp_passes$exe -M $maxnumeric $mgpp_passes_sections -f \"$fullindexprefix\" -I1 $osextra")) {
|
|---|
| 490 | print STDERR "<FatalError name='NoRunMGPasses'/>\n</Stage>\n" if $self->{'gli'};
|
|---|
| 491 | die "mgppbuilder::build_index - couldn't run $mgpp_passes_exe\n";
|
|---|
| 492 | }
|
|---|
| 493 | $handle = mgppbuilder::PIPEOUT;
|
|---|
| 494 | }
|
|---|
| 495 |
|
|---|
| 496 | # gdbm_level is always section
|
|---|
| 497 | my $gdbm_level = "section";
|
|---|
| 498 |
|
|---|
| 499 | # set up the document processr
|
|---|
| 500 | $self->{'buildproc'}->set_output_handle ($handle);
|
|---|
| 501 | $self->{'buildproc'}->set_mode ('text');
|
|---|
| 502 | $self->{'buildproc'}->set_index ($index, $indexexparr);
|
|---|
| 503 | $self->{'buildproc'}->set_index_languages ($language_metadata, $langarr) if (defined $language);
|
|---|
| 504 | $self->{'buildproc'}->set_indexing_text (1);
|
|---|
| 505 | $self->{'buildproc'}->set_indexfieldmap ($self->{'indexfieldmap'});
|
|---|
| 506 | $self->{'buildproc'}->set_levels ($self->{'levels'});
|
|---|
| 507 | $self->{'buildproc'}->set_gdbm_level ($gdbm_level);
|
|---|
| 508 |
|
|---|
| 509 | $self->{'buildproc'}->reset();
|
|---|
| 510 | &plugin::read ($self->{'pluginfo'}, $self->{'source_dir'},
|
|---|
| 511 | "", {}, $self->{'buildproc'}, $self->{'maxdocs'}, 0, $self->{'gli'});
|
|---|
| 512 | close ($handle) unless $self->{'debug'};
|
|---|
| 513 |
|
|---|
| 514 | $self->print_stats();
|
|---|
| 515 |
|
|---|
| 516 | # now we check to see if the required files have been produced - if not we quit building this index so the whole process doesn't crap out.
|
|---|
| 517 | # we check on the .id file - index dictionary
|
|---|
| 518 | my $dict_file = "$fullindexprefix.id";
|
|---|
| 519 | if (!-e $dict_file) {
|
|---|
| 520 | print $outhandle "mgppbuilder::build_index - Couldn't create index $index\n";
|
|---|
| 521 | print STDERR "<Warning name='NoIndex'/>\n</Stage>\n" if $self->{'gli'};
|
|---|
| 522 | $self->{'notbuilt'}->{$index}=1;
|
|---|
| 523 | return;
|
|---|
| 524 | }
|
|---|
| 525 |
|
|---|
| 526 | if (!$self->{'debug'}) {
|
|---|
| 527 | # create the perfect hash function
|
|---|
| 528 | if (!-e "$mgpp_perf_hash_build_exe") {
|
|---|
| 529 | print STDERR "<FatalError name='NoRunMGHash'/>\n</Stage>\n" if $self->{'gli'};
|
|---|
| 530 | die "mgppbuilder::build_index - couldn't run $mgpp_perf_hash_build_exe\n";
|
|---|
| 531 | }
|
|---|
| 532 | system ("mgpp_perf_hash_build$exe -f \"$fullindexprefix\" $osextra");
|
|---|
| 533 |
|
|---|
| 534 | if (!-e "$mgpp_passes_exe" ||
|
|---|
| 535 | !open ($handle, "| mgpp_passes$exe -M $maxnumeric $mgpp_passes_sections -f \"$fullindexprefix\" -I2 $osextra")) {
|
|---|
| 536 | print STDERR "<FatalError name='NoRunMGPasses'/>\n</Stage>\n" if $self->{'gli'};
|
|---|
| 537 | die "mgppbuilder::build_index - couldn't run $mgpp_passes_exe\n";
|
|---|
| 538 | }
|
|---|
| 539 | }
|
|---|
| 540 |
|
|---|
| 541 | # invert the text
|
|---|
| 542 | print $outhandle "\n inverting the text (mgpp_passes -I2)\n" if ($self->{'verbosity'} >= 1);
|
|---|
| 543 | print STDERR "<Phase name='InvertingText'/>\n" if $self->{'gli'};
|
|---|
| 544 | $self->{'buildproc'}->reset();
|
|---|
| 545 | &plugin::read ($self->{'pluginfo'}, $self->{'source_dir'},
|
|---|
| 546 | "", {}, $self->{'buildproc'}, $self->{'maxdocs'}, 0, $self->{'gli'});
|
|---|
| 547 |
|
|---|
| 548 | $self->print_stats ();
|
|---|
| 549 |
|
|---|
| 550 | if (!$self->{'debug'}) {
|
|---|
| 551 |
|
|---|
| 552 | close ($handle);
|
|---|
| 553 |
|
|---|
| 554 | # create the weights file
|
|---|
| 555 | print $outhandle "\n create the weights file\n" if ($self->{'verbosity'} >= 1);
|
|---|
| 556 | print STDERR "<Phase name='CreateTheWeights'/>\n" if $self->{'gli'};
|
|---|
| 557 | if (!-e "$mgpp_weights_build_exe") {
|
|---|
| 558 | print STDERR "<FatalError name='NoRunMGWeights'/>\n</Stage>\n" if $self->{'gli'};
|
|---|
| 559 | die "mgppbuilder::build_index - couldn't run $mgpp_weights_build_exe\n";
|
|---|
| 560 | }
|
|---|
| 561 | system ("mgpp_weights_build$exe -f \"$fullindexprefix\" $osextra");
|
|---|
| 562 |
|
|---|
| 563 | # create 'on-disk' stemmed dictionary
|
|---|
| 564 | print $outhandle "\n creating 'on-disk' stemmed dictionary\n" if ($self->{'verbosity'} >= 1);
|
|---|
| 565 | if (!-e "$mgpp_invf_dict_exe") {
|
|---|
| 566 | print STDERR "<FatalError name='NoRunMGInvf'/>\n</Stage>\n" if $self->{'gli'};
|
|---|
| 567 | die "mgppbuilder::build_index - couldn't run $mgpp_invf_dict_exe\n";
|
|---|
| 568 | }
|
|---|
| 569 | system ("mgpp_invf_dict$exe -f \"$fullindexprefix\" $osextra" );
|
|---|
| 570 |
|
|---|
| 571 |
|
|---|
| 572 | # creates stem index files for the various stemming methods
|
|---|
| 573 | print $outhandle "\n creating stem indexes\n" if ($self->{'verbosity'} >= 1);
|
|---|
| 574 | print STDERR "<Phase name='CreatingStemIndx'/>\n" if $self->{'gli'};
|
|---|
| 575 | if (!-e "$mgpp_stem_idx_exe") {
|
|---|
| 576 | print STDERR "<FatalError name='NoRunMGStem'/>\n</Stage>\n" if $self->{'gli'};
|
|---|
| 577 | die "mgppbuilder::build_index - couldn't run $mgpp_stem_idx_exe\n";
|
|---|
| 578 | }
|
|---|
| 579 | my $accent_folding_enabled = 1;
|
|---|
| 580 | if ($self->{'accentfold'}) {
|
|---|
| 581 | # the first time we do this, we test for accent folding enabled
|
|---|
| 582 | if (system ("mgpp_stem_idx$exe -b 4096 -s4 -f \"$fullindexprefix\" $osextra") == 2) {
|
|---|
| 583 | # accent folding has not been enabled in mgpp
|
|---|
| 584 | $accent_folding_enabled = 0;
|
|---|
| 585 | $self->{'stemindexes'} -= 4;
|
|---|
| 586 | }
|
|---|
| 587 | }
|
|---|
| 588 | if ($self->{'casefold'}) {
|
|---|
| 589 | system ("mgpp_stem_idx$exe -b 4096 -s1 -f \"$fullindexprefix\" $osextra");
|
|---|
| 590 | if ($accent_folding_enabled && $self->{'accentfold'}) {
|
|---|
| 591 | system ("mgpp_stem_idx$exe -b 4096 -s5 -f \"$fullindexprefix\" $osextra");
|
|---|
| 592 | }
|
|---|
| 593 | }
|
|---|
| 594 | if ($self->{'stem'}) {
|
|---|
| 595 | system ("mgpp_stem_idx$exe -b 4096 -s2 -f \"$fullindexprefix\" $osextra");
|
|---|
| 596 | if ($accent_folding_enabled && $self->{'accentfold'}) {
|
|---|
| 597 | system ("mgpp_stem_idx$exe -b 4096 -s6 -f \"$fullindexprefix\" $osextra");
|
|---|
| 598 | }
|
|---|
| 599 | }
|
|---|
| 600 | if ($self->{'casefold'} && $self->{'stem'}) {
|
|---|
| 601 | system ("mgpp_stem_idx$exe -b 4096 -s3 -f \"$fullindexprefix\" $osextra");
|
|---|
| 602 | if ($accent_folding_enabled && $self->{'accentfold'}) {
|
|---|
| 603 | system ("mgpp_stem_idx$exe -b 4096 -s7 -f \"$fullindexprefix\" $osextra");
|
|---|
| 604 | }
|
|---|
| 605 | }
|
|---|
| 606 |
|
|---|
| 607 | # remove unwanted files
|
|---|
| 608 | my $tmpdir = &util::filename_cat ($self->{'build_dir'}, $indexdir);
|
|---|
| 609 | opendir (DIR, $tmpdir) || die
|
|---|
| 610 | "mgppbuilder::build_index - couldn't read directory $tmpdir\n";
|
|---|
| 611 | foreach my $file (readdir(DIR)) {
|
|---|
| 612 | next if $file =~ /^\./;
|
|---|
| 613 | my ($suffix) = $file =~ /\.([^\.]+)$/;
|
|---|
| 614 | if (defined $suffix && !defined $wanted_index_files{$suffix}) {
|
|---|
| 615 | # delete it!
|
|---|
| 616 | print $outhandle "deleting $file\n" if $self->{'verbosity'} > 2;
|
|---|
| 617 | #&util::rm (&util::filename_cat ($tmpdir, $file));
|
|---|
| 618 | }
|
|---|
| 619 | }
|
|---|
| 620 | closedir (DIR);
|
|---|
| 621 | }
|
|---|
| 622 | print STDERR "</Stage>\n" if $self->{'gli'};
|
|---|
| 623 | }
|
|---|
| 624 |
|
|---|
| 625 | # now only outputs stuff if you can't generate it from collectionmeta - e.g. if someone has specified 'metadata' as an index.
|
|---|
| 626 | sub output_collection_meta {
|
|---|
| 627 | my $self = shift(@_);
|
|---|
| 628 | my ($handle) = @_;
|
|---|
| 629 |
|
|---|
| 630 | # define the indexed field mapping if not already done so (ie if infodb called separately from build_index)
|
|---|
| 631 | if (!defined $self->{'build_cfg'}) {
|
|---|
| 632 | $self->read_final_field_list();
|
|---|
| 633 | }
|
|---|
| 634 |
|
|---|
| 635 | # do the collection info
|
|---|
| 636 | print $handle "[collection]\n";
|
|---|
| 637 |
|
|---|
| 638 | # first do the collection meta stuff - everything without a dot
|
|---|
| 639 | my $collmetadefined = 0;
|
|---|
| 640 | my $metadata_entry;
|
|---|
| 641 | if (defined $self->{'collect_cfg'}->{'collectionmeta'}) {
|
|---|
| 642 | $collmetadefined = 1;
|
|---|
| 643 | }
|
|---|
| 644 |
|
|---|
| 645 | #add the index field macros to [collection]
|
|---|
| 646 | # eg <TI>Title
|
|---|
| 647 | # <SU>Subject
|
|---|
| 648 | # these now come from collection meta. if that is not defined, usses the metadata name
|
|---|
| 649 | my $field_entry="";
|
|---|
| 650 | my $collmeta = "";
|
|---|
| 651 | foreach my $longfield (@{$self->{'build_cfg'}->{'indexfields'}}){
|
|---|
| 652 | my $shortfield = $self->{'buildproc'}->{'indexfieldmap'}->{$longfield};
|
|---|
| 653 | next if $shortfield eq 1;
|
|---|
| 654 |
|
|---|
| 655 | # we need to check if some coll meta has been defined - don't output
|
|---|
| 656 | # any that have
|
|---|
| 657 | $collmeta = ".$longfield";
|
|---|
| 658 | if (!$collmetadefined || !defined $self->{'collect_cfg'}->{'collectionmeta'}->{$collmeta}) {
|
|---|
| 659 | if ($longfield eq "allfields") {
|
|---|
| 660 | $field_entry .= "<$shortfield>_query:textallfields_\n";
|
|---|
| 661 | } elsif ($longfield eq "text") {
|
|---|
| 662 | $field_entry .= "<$shortfield>_query:texttextonly_\n";
|
|---|
| 663 | } else {
|
|---|
| 664 | $field_entry .= "<$shortfield>$longfield\n";
|
|---|
| 665 | }
|
|---|
| 666 | }
|
|---|
| 667 | }
|
|---|
| 668 | print $handle $field_entry;
|
|---|
| 669 |
|
|---|
| 670 | # now add the level names
|
|---|
| 671 | my $level_entry = "";
|
|---|
| 672 | foreach my $level (@{$self->{'collect_cfg'}->{'levels'}}) {
|
|---|
| 673 | $collmeta = ".$level"; # based on the original specification
|
|---|
| 674 | $level =~ tr/A-Z/a-z/; # make it lower case
|
|---|
| 675 | my $levelid = $level_map{$level}; # find the actual value we used in the index
|
|---|
| 676 | if (!$collmetadefined || !defined $self->{'collect_cfg'}->{'collectionmeta'}->{$collmeta}) {
|
|---|
| 677 | # use the default macro
|
|---|
| 678 | $level_entry .= "<$levelid>" . $level_map{$levelid} . "\n";
|
|---|
| 679 | }
|
|---|
| 680 | }
|
|---|
| 681 | print $handle $level_entry;
|
|---|
| 682 |
|
|---|
| 683 | # now add subcoll meta
|
|---|
| 684 | my $subcoll_entry = "";
|
|---|
| 685 | my $shortname = "";
|
|---|
| 686 | my $one_entry = "";
|
|---|
| 687 | foreach my $subcoll (@{$self->{'index_mapping'}->{'subcollectionmaporder'}}) {
|
|---|
| 688 | $shortname = $self->{'index_mapping'}->{$subcoll};
|
|---|
| 689 | if (!$collmetadefined || !defined $self->{'collect_cfg'}->{'collectionmeta'}->{".$subcoll"}) {
|
|---|
| 690 | $subcoll_entry .= "<$shortname>$subcoll\n";
|
|---|
| 691 | }
|
|---|
| 692 | }
|
|---|
| 693 | print $handle $subcoll_entry;
|
|---|
| 694 |
|
|---|
| 695 | # now add language meta
|
|---|
| 696 | my $lang_entry = "";
|
|---|
| 697 | foreach my $lang (@{$self->{'index_mapping'}->{'languagemaporder'}}) {
|
|---|
| 698 | $shortname = $self->{'index_mapping'}->{$lang};
|
|---|
| 699 | if (!$collmetadefined || !defined $self->{'collect_cfg'}->{'collectionmeta'}->{".$lang"}) {
|
|---|
| 700 | $lang_entry .= "<$shortname>$lang\n";
|
|---|
| 701 | }
|
|---|
| 702 | }
|
|---|
| 703 | print $handle $lang_entry;
|
|---|
| 704 | # end the collection entry
|
|---|
| 705 | print $handle "\n" . ('-' x 70) . "\n";
|
|---|
| 706 |
|
|---|
| 707 |
|
|---|
| 708 | }
|
|---|
| 709 |
|
|---|
| 710 | # at the end of building, we have an indexfieldmap with all the mappings,
|
|---|
| 711 | # plus some extras, and indexmap with any indexes in it that weren't
|
|---|
| 712 | # specified in the index definition. we want to make an ordered list of
|
|---|
| 713 | # fields that are indexed, and a list of mappings that are used. this will
|
|---|
| 714 | # be used for the build.cfg file, and for collection meta definition we
|
|---|
| 715 | # store these in a build.cfg bit
|
|---|
| 716 | sub make_final_field_list {
|
|---|
| 717 | my $self = shift (@_);
|
|---|
| 718 |
|
|---|
| 719 | $self->{'build_cfg'} = {};
|
|---|
| 720 |
|
|---|
| 721 | # store the indexfieldmap information
|
|---|
| 722 | my @indexfieldmap = ();
|
|---|
| 723 | my @indexfields = ();
|
|---|
| 724 | my $specifiedfields = {};
|
|---|
| 725 | my @specifiedfieldorder = ();
|
|---|
| 726 |
|
|---|
| 727 | # go through the index definition and add each thing to a map, so we
|
|---|
| 728 | # can easily check if it is already specified - when doing the
|
|---|
| 729 | # metadata, we print out all the individual fields, but some may
|
|---|
| 730 | # already be specified in the index definition, so we dont want to add
|
|---|
| 731 | # those again.
|
|---|
| 732 |
|
|---|
| 733 | my $field;
|
|---|
| 734 | foreach $field (@{$self->{'collect_cfg'}->{'indexes'}}) {
|
|---|
| 735 | # remove subcoll stuff
|
|---|
| 736 | my $parts = $field;
|
|---|
| 737 | $parts =~ s/:.*$//;
|
|---|
| 738 | # *************
|
|---|
| 739 | my @fs = split(';', $parts);
|
|---|
| 740 | foreach my $f(@fs) {
|
|---|
| 741 | if (!defined $specifiedfields->{$f}) {
|
|---|
| 742 | $specifiedfields->{$f}=1;
|
|---|
| 743 | push (@specifiedfieldorder, "$f");
|
|---|
| 744 | }
|
|---|
| 745 | }
|
|---|
| 746 | }
|
|---|
| 747 |
|
|---|
| 748 | #add all fields bit
|
|---|
| 749 | foreach $field (@specifiedfieldorder) {
|
|---|
| 750 | if ($field eq "metadata") {
|
|---|
| 751 | foreach my $newfield (keys %{$self->{'buildproc'}->{'indexfields'}}) {
|
|---|
| 752 | if (!defined $specifiedfields->{$newfield}) {
|
|---|
| 753 | push (@indexfieldmap, "$newfield\-\>$self->{'buildproc'}->{'indexfieldmap'}->{$newfield}");
|
|---|
| 754 | push (@indexfields, "$newfield");
|
|---|
| 755 | }
|
|---|
| 756 | }
|
|---|
| 757 |
|
|---|
| 758 | } elsif ($field eq 'text') {
|
|---|
| 759 | push (@indexfieldmap, "text\-\>TX");
|
|---|
| 760 | push (@indexfields, "text");
|
|---|
| 761 | } elsif ($field eq 'allfields') {
|
|---|
| 762 | push (@indexfieldmap, "allfields\-\>ZZ");
|
|---|
| 763 | push (@indexfields, "allfields");
|
|---|
| 764 | } else {
|
|---|
| 765 |
|
|---|
| 766 | my $ifm = $self->{'buildproc'}->{'indexfieldmap'};
|
|---|
| 767 |
|
|---|
| 768 | if (defined $ifm->{$field}) {
|
|---|
| 769 | push (@indexfieldmap, "$field\-\>$ifm->{$field}");
|
|---|
| 770 | push (@indexfields, "$field");
|
|---|
| 771 | }
|
|---|
| 772 |
|
|---|
| 773 |
|
|---|
| 774 | }
|
|---|
| 775 | }
|
|---|
| 776 |
|
|---|
| 777 | $self->{'build_cfg'}->{'indexfieldmap'} = \@indexfieldmap;
|
|---|
| 778 | $self->{'build_cfg'}->{'indexfields'} = \@indexfields;
|
|---|
| 779 |
|
|---|
| 780 | }
|
|---|
| 781 |
|
|---|
| 782 |
|
|---|
| 783 | # recreate the field list from the build.cfg file, look first in building,
|
|---|
| 784 | # then in index to find it. if there is no build.cfg, we can't do the field
|
|---|
| 785 | # list (there is unlikely to be any index anyway.)
|
|---|
| 786 | sub read_final_field_list {
|
|---|
| 787 | my $self = shift (@_);
|
|---|
| 788 | $self->{'build_cfg'} = {};
|
|---|
| 789 | my @indexfieldmap = ();
|
|---|
| 790 | my @indexfields = ();
|
|---|
| 791 |
|
|---|
| 792 | if (scalar(keys %{$self->{'buildproc'}->{'indexfieldmap'}}) == 0) {
|
|---|
| 793 | # set the default mapping
|
|---|
| 794 | $self->{'buildproc'}->set_indexfieldmap ($self->{'indexfieldmap'});
|
|---|
| 795 | }
|
|---|
| 796 | # we read the stuff in from the build.cfg file - if its there
|
|---|
| 797 | my $buildconfigfile = &util::filename_cat($self->{'build_dir'}, "build.cfg");
|
|---|
| 798 |
|
|---|
| 799 | if (!-e $buildconfigfile) {
|
|---|
| 800 | # try the index dir - but do we know where it is?? try here
|
|---|
| 801 | $buildconfigfile = &util::filename_cat($ENV{'GSDLCOLLECTDIR'}, "index", "build.cfg");
|
|---|
| 802 | if (!-e $buildconfigfile) {
|
|---|
| 803 | #we cant find a config file - just ignore the field list
|
|---|
| 804 | return;
|
|---|
| 805 | }
|
|---|
| 806 | }
|
|---|
| 807 |
|
|---|
| 808 | my $buildcfg = &colcfg::read_build_cfg( $buildconfigfile);
|
|---|
| 809 | my $field;
|
|---|
| 810 | if (defined $buildcfg->{'indexfields'}) {
|
|---|
| 811 | foreach $field (@{$buildcfg->{'indexfields'}}) {
|
|---|
| 812 | push (@indexfields, "$field");
|
|---|
| 813 | }
|
|---|
| 814 | }
|
|---|
| 815 |
|
|---|
| 816 | if (defined $buildcfg->{'indexfieldmap'}) {
|
|---|
| 817 | foreach $field (@{$buildcfg->{'indexfieldmap'}}) {
|
|---|
| 818 | push (@indexfieldmap, "$field");
|
|---|
| 819 | my ($f, $v) = $field =~ /^(.*)\-\>(.*)$/;
|
|---|
| 820 | $self->{'buildproc'}->{'indexfieldmap'}->{$f} = $v;
|
|---|
| 821 | }
|
|---|
| 822 | }
|
|---|
| 823 |
|
|---|
| 824 | $self->{'build_cfg'}->{'indexfieldmap'} = \@indexfieldmap;
|
|---|
| 825 | $self->{'build_cfg'}->{'indexfields'} = \@indexfields;
|
|---|
| 826 | }
|
|---|
| 827 |
|
|---|
| 828 |
|
|---|
| 829 | sub build_cfg_extra {
|
|---|
| 830 | my $self = shift (@_);
|
|---|
| 831 | my ($build_cfg) = @_;
|
|---|
| 832 |
|
|---|
| 833 | $build_cfg->{'numsections'} = $self->{'buildproc'}->get_num_sections();
|
|---|
| 834 |
|
|---|
| 835 | # store the level info
|
|---|
| 836 | my @indexlevels = ();
|
|---|
| 837 | my @levelmap = ();
|
|---|
| 838 | foreach my $l (@{$self->{'levelorder'}}) {
|
|---|
| 839 | push (@indexlevels, $level_map{$l});
|
|---|
| 840 | push (@levelmap, "$l\-\>$level_map{$l}");
|
|---|
| 841 | }
|
|---|
| 842 | $build_cfg->{'indexlevels'} = \@indexlevels;
|
|---|
| 843 | $build_cfg->{'levelmap'} = \@levelmap;
|
|---|
| 844 |
|
|---|
| 845 | # text level (and gdbm level) is always section
|
|---|
| 846 | $build_cfg->{'textlevel'} = $level_map{'section'};
|
|---|
| 847 |
|
|---|
| 848 | }
|
|---|
| 849 |
|
|---|
| 850 | 1;
|
|---|
| 851 |
|
|---|
| 852 |
|
|---|
