| 1 | ###########################################################################
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| 2 | #
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| 3 | # mgbuilder.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 mgbuilder;
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| 27 |
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| 28 | use basebuilder;
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| 29 | use plugin;
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| 30 | use strict; no strict 'refs';
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| 31 | use util;
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| 32 |
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| 33 |
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| 34 | BEGIN {
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| 35 | @mgbuilder::ISA = ('basebuilder');
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| 36 | }
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| 37 |
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| 38 |
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| 39 | my %wanted_index_files = ('td'=>1,
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| 40 | 't'=>1,
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| 41 | 'idb'=>1,
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| 42 | 'ib1'=>1,
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| 43 | 'ib2'=>1,
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| 44 | 'ib3'=>1,
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| 45 | 'i'=>1,
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| 46 | 'ip'=>1,
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| 47 | 'tiw'=>1,
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| 48 | 'wa'=>1);
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| 49 |
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| 50 | my $maxdocsize = $basebuilder::maxdocsize;
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| 51 |
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| 52 |
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| 53 | sub new {
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| 54 | my $class = shift(@_);
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| 55 |
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| 56 | my $self = new basebuilder (@_);
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| 57 | $self = bless $self, $class;
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| 58 |
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| 59 | $self->{'buildtype'} = "mg";
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| 60 | return $self;
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| 61 | }
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| 62 |
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| 63 | sub default_buildproc {
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| 64 | my $self = shift (@_);
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| 65 |
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| 66 | return "mgbuildproc";
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| 67 | }
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| 68 |
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| 69 | sub generate_index_list {
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| 70 | my $self = shift (@_);
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| 71 |
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| 72 | if (!defined($self->{'collect_cfg'}->{'indexes'})) {
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| 73 | $self->{'collect_cfg'}->{'indexes'} = [];
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| 74 | }
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| 75 | if (scalar(@{$self->{'collect_cfg'}->{'indexes'}}) == 0) {
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| 76 | # no indexes have been specified so we'll build a "dummy:text" index
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| 77 | push (@{$self->{'collect_cfg'}->{'indexes'}}, "dummy:text");
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| 78 | }
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| 79 |
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| 80 | }
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| 81 |
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| 82 | sub generate_index_options {
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| 83 | my $self = shift (@_);
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| 84 | $self->SUPER::generate_index_options();
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| 85 |
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| 86 | $self->{'casefold'} = 0;
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| 87 | $self->{'stem'} = 0;
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| 88 | $self->{'accentfold'} = 0; #not yet implemented for mg
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| 89 |
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| 90 | if (!defined($self->{'collect_cfg'}->{'indexoptions'})) {
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| 91 | # just use default options
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| 92 | $self->{'casefold'} = 1;
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| 93 | $self->{'stem'} = 1;
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| 94 |
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| 95 | } else {
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| 96 | foreach my $option (@{$self->{'collect_cfg'}->{'indexoptions'}}) {
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| 97 | if ($option =~ /stem/) {
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| 98 | $self->{'stem'} = 1;
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| 99 | } elsif ($option =~ /casefold/) {
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| 100 | $self->{'casefold'} = 1;
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| 101 | }
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| 102 | }
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| 103 | }
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| 104 |
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| 105 | # now we record this for the build cfg
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| 106 | $self->{'stemindexes'} = 0;
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| 107 | if ($self->{'casefold'}) {
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| 108 | $self->{'stemindexes'} += 1;
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| 109 | }
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| 110 | if ($self->{'stem'}) {
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| 111 | $self->{'stemindexes'} += 2;
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| 112 | }
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| 113 |
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| 114 |
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| 115 | }
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| 116 |
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| 117 | sub compress_text {
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| 118 | my $self = shift (@_);
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| 119 | my ($textindex) = @_;
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| 120 | my $exedir = "$ENV{'GSDLHOME'}/bin/$ENV{'GSDLOS'}";
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| 121 | my $exe = &util::get_os_exe ();
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| 122 | my $mg_passes_exe = &util::filename_cat($exedir, "mg_passes$exe");
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| 123 | my $mg_compression_dict_exe = &util::filename_cat($exedir, "mg_compression_dict$exe");
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| 124 | my $outhandle = $self->{'outhandle'};
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| 125 |
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| 126 | my $maxnumeric = $self->{'maxnumeric'};
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| 127 |
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| 128 | &util::mk_all_dir (&util::filename_cat($self->{'build_dir'}, "text"));
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| 129 |
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| 130 | my $collect_tail = &util::get_dirsep_tail($self->{'collection'});
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| 131 | my $basefilename = &util::filename_cat("text",$collect_tail);
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| 132 | my $fulltextprefix = &util::filename_cat ($self->{'build_dir'}, $basefilename);
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| 133 |
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| 134 | my $osextra = "";
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| 135 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
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| 136 | $fulltextprefix =~ s@/@\\@g;
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| 137 | } else {
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| 138 | $osextra = " -d /";
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| 139 | }
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| 140 |
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| 141 | print $outhandle "\n*** creating the compressed text\n" if ($self->{'verbosity'} >= 1);
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| 142 | print STDERR "<Stage name='CompressText'>\n" if $self->{'gli'};
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| 143 |
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| 144 | # collect the statistics for the text
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| 145 | # -b $maxdocsize sets the maximum document size to be 12 meg
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| 146 | print $outhandle "\n collecting text statistics\n" if ($self->{'verbosity'} >= 1);
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| 147 | print STDERR "<Phase name='CollectTextStats'/>\n" if $self->{'gli'};
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| 148 |
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| 149 | my ($handle);
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| 150 | if ($self->{'debug'}) {
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| 151 | $handle = *STDOUT;
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| 152 | }
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| 153 | else {
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| 154 | if (!-e "$mg_passes_exe" ||
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| 155 | !open($handle, "| mg_passes$exe -f \"$fulltextprefix\" -b $maxdocsize -T1 -M $maxnumeric $osextra")) {
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| 156 | print STDERR "<FatalError name='NoRunMGPasses'>\n</Stage>\n" if $self->{'gli'};
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| 157 | die "mgbuilder::compress_text - couldn't run $mg_passes_exe\n";
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| 158 | }
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| 159 | }
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| 160 |
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| 161 | $self->{'buildproc'}->set_output_handle ($handle);
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| 162 | $self->{'buildproc'}->set_mode ('text');
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| 163 | $self->{'buildproc'}->set_index ($textindex);
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| 164 | $self->{'buildproc'}->set_indexing_text (0);
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| 165 |
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| 166 |
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| 167 | if ($self->{'no_text'}) {
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| 168 | $self->{'buildproc'}->set_store_text(0);
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| 169 | } else {
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| 170 | $self->{'buildproc'}->set_store_text(1);
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| 171 | }
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| 172 | $self->{'buildproc'}->reset();
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| 173 |
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| 174 | &plugin::begin($self->{'pluginfo'}, $self->{'source_dir'},
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| 175 | $self->{'buildproc'}, $self->{'maxdocs'});
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| 176 | &plugin::read ($self->{'pluginfo'}, $self->{'source_dir'},
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| 177 | "", {}, {}, $self->{'buildproc'}, $self->{'maxdocs'}, 0, $self->{'gli'});
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| 178 | &plugin::end($self->{'pluginfo'});
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| 179 |
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| 180 |
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| 181 | close ($handle) unless $self->{'debug'};
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| 182 |
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| 183 | $self->print_stats();
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| 184 |
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| 185 | # create the compression dictionary
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| 186 | # the compression dictionary is built by assuming the stats are from a seed
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| 187 | # dictionary (-S), if a novel word is encountered it is spelled out (-H),
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| 188 | # and the resulting dictionary must be less than 5 meg with the most frequent
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| 189 | # words being put into the dictionary first (-2 -k 5120)
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| 190 | if (!$self->{'debug'}) {
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| 191 | print $outhandle "\n creating the compression dictionary\n" if ($self->{'verbosity'} >= 1);
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| 192 | print STDERR "<Phase name='CreatingCompress'/>\n" if $self->{'gli'};
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| 193 | if (!-e "$mg_compression_dict_exe") {
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| 194 | die "mgbuilder::compress_text - couldn't run $mg_compression_dict_exe\n";
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| 195 | }
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| 196 | system ("mg_compression_dict$exe -f \"$fulltextprefix\" -S -H -2 -k 5120 $osextra");
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| 197 |
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| 198 | # -b $maxdocsize sets the maximum document size to be 12 meg
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| 199 | if (!-e "$mg_passes_exe" ||
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| 200 | !open ($handle, "| mg_passes$exe -f \"$fulltextprefix\" -b $maxdocsize -T2 -M $maxnumeric $osextra")) {
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| 201 | print STDERR "<FatalError name='NoRunMGPasses'/>\n</Stage>\n" if $self->{'gli'};
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| 202 | die "mgbuilder::compress_text - couldn't run $mg_passes_exe\n";
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| 203 | }
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| 204 | }
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| 205 | else {
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| 206 | print STDERR "<Phase name='SkipCreatingComp'/>\n" if $self->{'gli'};
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| 207 | }
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| 208 |
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| 209 | $self->{'buildproc'}->reset();
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| 210 | # compress the text
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| 211 | print $outhandle "\n compressing the text\n" if ($self->{'verbosity'} >= 1);
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| 212 | print STDERR "<Phase name='CompressingText'/>\n" if $self->{'gli'};
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| 213 |
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| 214 | &plugin::read ($self->{'pluginfo'}, $self->{'source_dir'},
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| 215 | "", {}, {}, $self->{'buildproc'}, $self->{'maxdocs'}, 0, $self->{'gli'});
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| 216 |
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| 217 | close ($handle) unless $self->{'debug'};
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| 218 |
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| 219 | $self->print_stats();
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| 220 | print STDERR "</Stage>\n" if $self->{'gli'};
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| 221 | }
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| 222 |
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| 223 |
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| 224 | # creates directory names for each of the index descriptions
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| 225 | sub create_index_mapping {
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| 226 | my $self = shift (@_);
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| 227 | my ($indexes) = @_;
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| 228 |
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| 229 | my %mapping = ();
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| 230 | $mapping{'indexmaporder'} = [];
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| 231 | $mapping{'subcollectionmaporder'} = [];
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| 232 | $mapping{'languagemaporder'} = [];
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| 233 |
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| 234 | # dirnames is used to check for collisions. Start this off
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| 235 | # with the manditory directory names
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| 236 | my %dirnames = ('text'=>'text',
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| 237 | 'extra'=>'extra');
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| 238 | my %pnames = ('index' => {}, 'subcollection' => {}, 'languages' => {});
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| 239 | foreach my $index (@$indexes) {
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| 240 | my ($level, $gran, $subcollection, $languages) = split (":", $index);
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| 241 |
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| 242 | # the directory name starts with the first character of the index level
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| 243 | my ($pindex) = $level =~ /^(.)/;
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| 244 |
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| 245 | # next comes a processed version of the index
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| 246 | $pindex .= $self->process_field ($gran);
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| 247 | $pindex = lc ($pindex);
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| 248 |
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| 249 | # next comes a processed version of the subcollection if there is one.
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| 250 | my $psub = $self->process_field ($subcollection);
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| 251 | $psub = lc ($psub);
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| 252 |
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| 253 | # next comes a processed version of the language if there is one.
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| 254 | my $plang = $self->process_field ($languages);
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| 255 | $plang = lc ($plang);
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| 256 |
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| 257 | my $dirname = $pindex . $psub . $plang;
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| 258 |
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| 259 | # check to be sure all index names are unique
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| 260 | while (defined ($dirnames{$dirname})) {
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| 261 | $dirname = $self->make_unique (\%pnames, $index, \$pindex, \$psub, \$plang);
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| 262 | }
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| 263 | $mapping{$index} = $dirname;
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| 264 |
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| 265 | # store the mapping orders as well as the maps
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| 266 | # also put index, subcollection and language fields into the mapping thing -
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| 267 | # (the full index name (eg document:text:subcol:lang) is not used on
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| 268 | # the query page) -these are used for collectionmeta later on
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| 269 | if (!defined $mapping{'indexmap'}{"$level:$gran"}) {
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| 270 | $mapping{'indexmap'}{"$level:$gran"} = $pindex;
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| 271 | push (@{$mapping{'indexmaporder'}}, "$level:$gran");
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| 272 | if (!defined $mapping{"$level:$gran"}) {
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| 273 | $mapping{"$level:$gran"} = $pindex;
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| 274 | }
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| 275 | }
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| 276 | if ($psub =~ /\w/ && !defined ($mapping{'subcollectionmap'}{$subcollection})) {
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| 277 | $mapping{'subcollectionmap'}{$subcollection} = $psub;
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| 278 | push (@{$mapping{'subcollectionmaporder'}}, $subcollection);
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| 279 | $mapping{$subcollection} = $psub;
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| 280 | }
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| 281 | if ($plang =~ /\w/ && !defined ($mapping{'languagemap'}{$languages})) {
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| 282 | $mapping{'languagemap'}{$languages} = $plang;
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| 283 | push (@{$mapping{'languagemaporder'}}, $languages);
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| 284 | $mapping{$languages} = $plang;
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| 285 | }
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| 286 | $dirnames{$dirname} = $index;
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| 287 | $pnames{'index'}->{$pindex} = "$level:$gran";
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| 288 | $pnames{'subcollection'}->{$psub} = $subcollection;
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| 289 | $pnames{'languages'}->{$plang} = $languages;
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| 290 | }
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| 291 |
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| 292 | return \%mapping;
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| 293 | }
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| 294 |
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| 295 |
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| 296 | sub make_unique {
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| 297 | my $self = shift (@_);
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| 298 | my ($namehash, $index, $indexref, $subref, $langref) = @_;
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| 299 | my ($level, $gran, $subcollection, $languages) = split (":", $index);
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| 300 |
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| 301 | if ($namehash->{'index'}->{$$indexref} ne "$level:$gran") {
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| 302 | $self->get_next_version ($indexref);
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| 303 | } elsif ($namehash->{'subcollection'}->{$$subref} ne $subcollection) {
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| 304 | $self->get_next_version ($subref);
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| 305 | } elsif ($namehash->{'languages'}->{$$langref} ne $languages) {
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| 306 | $self->get_next_version ($langref);
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| 307 | }
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| 308 | return "$$indexref$$subref$$langref";
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| 309 | }
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| 310 |
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| 311 | sub build_index {
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| 312 | my $self = shift (@_);
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| 313 | my ($index) = @_;
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| 314 | my $outhandle = $self->{'outhandle'};
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| 315 |
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| 316 | # get the full index directory path and make sure it exists
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| 317 | my $indexdir = $self->{'index_mapping'}->{$index};
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| 318 | &util::mk_all_dir (&util::filename_cat($self->{'build_dir'}, $indexdir));
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| 319 |
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| 320 | my $collect_tail = &util::get_dirsep_tail($self->{'collection'});
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| 321 | my $fullindexprefix = &util::filename_cat ($self->{'build_dir'}, $indexdir,
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| 322 | $collect_tail);
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| 323 | my $fulltextprefix = &util::filename_cat ($self->{'build_dir'}, "text",
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| 324 | $collect_tail);
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| 325 |
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| 326 | # get any os specific stuff
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| 327 | my $exedir = "$ENV{'GSDLHOME'}/bin/$ENV{'GSDLOS'}";
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| 328 | my $exe = &util::get_os_exe ();
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| 329 | my $mg_passes_exe = &util::filename_cat($exedir, "mg_passes$exe");
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| 330 | my $mg_perf_hash_build_exe =
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| 331 | &util::filename_cat($exedir, "mg_perf_hash_build$exe");
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| 332 | my $mg_weights_build_exe =
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| 333 | &util::filename_cat ($exedir, "mg_weights_build$exe");
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| 334 | my $mg_invf_dict_exe =
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| 335 | &util::filename_cat ($exedir, "mg_invf_dict$exe");
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| 336 | my $mg_stem_idx_exe =
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| 337 | &util::filename_cat ($exedir, "mg_stem_idx$exe");
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| 338 |
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| 339 | my $maxnumeric = $self->{'maxnumeric'};
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| 340 |
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| 341 | my $osextra = "";
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| 342 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
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| 343 | $fullindexprefix =~ s@/@\\@g;
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| 344 | } else {
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| 345 | $osextra = " -d /";
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| 346 | if ($outhandle ne "STDERR") {
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| 347 | # so mg_passes doesn't print to stderr if we redirect output
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| 348 | $osextra .= " 2>/dev/null";
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| 349 | }
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| 350 | }
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| 351 |
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| 352 | # get the index level from the index description
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| 353 | # the index will be level 2 unless we are building a
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| 354 | # paragraph level index
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| 355 | my $index_level = 2;
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| 356 | $index_level = 3 if $index =~ /^paragraph/i;
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| 357 |
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| 358 | # get the index expression if this index belongs
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| 359 | # to a subcollection
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| 360 | my $indexexparr = [];
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| 361 | my $langarr = [];
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| 362 | # there may be subcollection info, and language info.
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| 363 | my ($level, $fields, $subcollection, $language) = split (":", $index);
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| 364 | my @subcollections = ();
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| 365 | @subcollections = split /,/, $subcollection if (defined $subcollection);
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| 366 |
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| 367 | foreach my $subcollection (@subcollections) {
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| 368 | if (defined ($self->{'collect_cfg'}->{'subcollection'}->{$subcollection})) {
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| 369 | push (@$indexexparr, $self->{'collect_cfg'}->{'subcollection'}->{$subcollection});
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| 370 | }
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| 371 | }
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| 372 |
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| 373 | # add expressions for languages if this index belongs to
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| 374 | # a language subcollection - only put languages expressions for the
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| 375 | # ones we want in the index
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| 376 |
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| 377 | my @languages = ();
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| 378 | my $languagemetadata = "Language";
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| 379 | if (defined ($self->{'collect_cfg'}->{'languagemetadata'})) {
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| 380 | $languagemetadata = $self->{'collect_cfg'}->{'languagemetadata'};
|
|---|
| 381 | }
|
|---|
| 382 | @languages = split /,/, $language if (defined $language);
|
|---|
| 383 | foreach my $language (@languages) {
|
|---|
| 384 | my $not=0;
|
|---|
| 385 | if ($language =~ s/^\!//) {
|
|---|
| 386 | $not = 1;
|
|---|
| 387 | }
|
|---|
| 388 | if($not) {
|
|---|
| 389 | push (@$langarr, "!$language");
|
|---|
| 390 | } else {
|
|---|
| 391 | push (@$langarr, "$language");
|
|---|
| 392 | }
|
|---|
| 393 | }
|
|---|
| 394 |
|
|---|
| 395 | # Build index dictionary. Uses verbatim stem method
|
|---|
| 396 | print $outhandle "\n creating index dictionary\n" if ($self->{'verbosity'} >= 1);
|
|---|
| 397 | print STDERR "<Phase name='CreatingIndexDic'/>\n" if $self->{'gli'};
|
|---|
| 398 | my ($handle);
|
|---|
| 399 | if ($self->{'debug'}) {
|
|---|
| 400 | $handle = *STDOUT;
|
|---|
| 401 | }
|
|---|
| 402 | else {
|
|---|
| 403 | if (!-e "$mg_passes_exe" ||
|
|---|
| 404 | !open($handle, "| mg_passes$exe -f \"$fullindexprefix\" -b $maxdocsize " .
|
|---|
| 405 | "-$index_level -m 32 -s 0 -G -t 10 -N1 -M $maxnumeric $osextra")) {
|
|---|
| 406 | print STDERR "<FatalError name='NoRunMGPasses'/>\n</Stage>\n" if $self->{'gli'};
|
|---|
| 407 | die "mgbuilder::build_index - couldn't run $mg_passes_exe\n";
|
|---|
| 408 | }
|
|---|
| 409 | }
|
|---|
| 410 |
|
|---|
| 411 | # set up the document processor
|
|---|
| 412 | $self->{'buildproc'}->set_output_handle ($handle);
|
|---|
| 413 | $self->{'buildproc'}->set_mode ('text');
|
|---|
| 414 | $self->{'buildproc'}->set_index ($index, $indexexparr);
|
|---|
| 415 | $self->{'buildproc'}->set_index_languages ($languagemetadata, $langarr) if (defined $language);
|
|---|
| 416 | $self->{'buildproc'}->set_indexing_text (1);
|
|---|
| 417 | $self->{'buildproc'}->set_store_text(1);
|
|---|
| 418 |
|
|---|
| 419 | $self->{'buildproc'}->reset();
|
|---|
| 420 | &plugin::read ($self->{'pluginfo'}, $self->{'source_dir'},
|
|---|
| 421 | "", {}, {}, $self->{'buildproc'}, $self->{'maxdocs'},0, $self->{'gli'});
|
|---|
| 422 | close ($handle) unless $self->{'debug'};
|
|---|
| 423 |
|
|---|
| 424 | $self->print_stats();
|
|---|
| 425 |
|
|---|
| 426 | # 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.
|
|---|
| 427 | # we check on the .id file - index dictionary
|
|---|
| 428 | my $dict_file = "$fullindexprefix.id";
|
|---|
| 429 | if (!-e $dict_file) {
|
|---|
| 430 | print $outhandle "mgbuilder::build_index - Couldn't create index $index\n";
|
|---|
| 431 | $self->{'notbuilt'}->{$index}=1;
|
|---|
| 432 | return;
|
|---|
| 433 | }
|
|---|
| 434 | if (!$self->{'debug'}) {
|
|---|
| 435 | # create the perfect hash function
|
|---|
| 436 | if (!-e "$mg_perf_hash_build_exe") {
|
|---|
| 437 | print STDERR "<FatalError name='NoRunMGHash'/>\n</Stage>\n" if $self->{'gli'};
|
|---|
| 438 | die "mgbuilder::build_index - couldn't run $mg_perf_hash_build_exe\n";
|
|---|
| 439 | }
|
|---|
| 440 | system ("mg_perf_hash_build$exe -f \"$fullindexprefix\" $osextra");
|
|---|
| 441 |
|
|---|
| 442 | if (!-e "$mg_passes_exe" ||
|
|---|
| 443 | !open ($handle, "| mg_passes$exe -f \"$fullindexprefix\" -b $maxdocsize " .
|
|---|
| 444 | "-$index_level -c 3 -G -t 10 -N2 -M $maxnumeric $osextra")) {
|
|---|
| 445 | print STDERR "<FatalError name='NoRunMGPasses'/>\n</Stage>\n" if $self->{'gli'};
|
|---|
| 446 | die "mgbuilder::build_index - couldn't run $mg_passes_exe\n";
|
|---|
| 447 | }
|
|---|
| 448 | }
|
|---|
| 449 |
|
|---|
| 450 | # invert the text
|
|---|
| 451 | print $outhandle "\n inverting the text\n" if ($self->{'verbosity'} >= 1);
|
|---|
| 452 | print STDERR "<Phase name='InvertingText'/>\n" if $self->{'gli'};
|
|---|
| 453 | $self->{'buildproc'}->reset();
|
|---|
| 454 | &plugin::read ($self->{'pluginfo'}, $self->{'source_dir'},
|
|---|
| 455 | "", {}, {}, $self->{'buildproc'}, $self->{'maxdocs'},0, $self->{'gli'});
|
|---|
| 456 |
|
|---|
| 457 |
|
|---|
| 458 | $self->print_stats ();
|
|---|
| 459 |
|
|---|
| 460 | if (!$self->{'debug'}) {
|
|---|
| 461 |
|
|---|
| 462 | close ($handle);
|
|---|
| 463 |
|
|---|
| 464 | # create the weights file
|
|---|
| 465 | print $outhandle "\n create the weights file\n" if ($self->{'verbosity'} >= 1);
|
|---|
| 466 | print STDERR "<Phase name='CreateTheWeights'/>\n" if $self->{'gli'};
|
|---|
| 467 | if (!-e "$mg_weights_build_exe") {
|
|---|
| 468 | print STDERR "<FatalError name='NoRunMGWeights'/>\n</Stage>\n" if $self->{'gli'};
|
|---|
| 469 | die "mgbuilder::build_index - couldn't run $mg_weights_build_exe\n";
|
|---|
| 470 | }
|
|---|
| 471 | system ("mg_weights_build$exe -f \"$fullindexprefix\" -t \"$fulltextprefix\" $osextra");
|
|---|
| 472 |
|
|---|
| 473 | # create 'on-disk' stemmed dictionary
|
|---|
| 474 | print $outhandle "\n creating 'on-disk' stemmed dictionary\n" if ($self->{'verbosity'} >= 1);
|
|---|
| 475 | print STDERR "<Phase name='CreateStemmedDic'/>\n" if $self->{'gli'};
|
|---|
| 476 | if (!-e "$mg_invf_dict_exe") {
|
|---|
| 477 | print STDERR "<FatalError name='NoRunMGInvf'/>\n</Stage>\n" if $self->{'gli'};
|
|---|
| 478 | die "mgbuilder::build_index - couldn't run $mg_invf_dict_exe\n";
|
|---|
| 479 | }
|
|---|
| 480 | system ("mg_invf_dict$exe -f \"$fullindexprefix\" $osextra");
|
|---|
| 481 |
|
|---|
| 482 |
|
|---|
| 483 | # creates stem index files for the various stemming methods
|
|---|
| 484 | print $outhandle "\n creating stem indexes\n" if ($self->{'verbosity'} >= 1);
|
|---|
| 485 | print STDERR "<Phase name='CreatingStemIndx'/>\n" if $self->{'gli'};
|
|---|
| 486 | if (!-e "$mg_stem_idx_exe") {
|
|---|
| 487 | print STDERR "<FatalError name='NoRunMGStem'/>\n</Stage>\n" if $self->{'gli'};
|
|---|
| 488 | die "mgbuilder::build_index - couldn't run $mg_stem_idx_exe\n";
|
|---|
| 489 | }
|
|---|
| 490 | # currently mg wont work if we don't generate all the stem idexes
|
|---|
| 491 | # so we generate them whatever, but don't advertise the fact
|
|---|
| 492 | #if ($self->{'casefold'}) {
|
|---|
| 493 | system ("mg_stem_idx$exe -b 4096 -s1 -f \"$fullindexprefix\" $osextra");
|
|---|
| 494 | #}
|
|---|
| 495 | #if ($self->{'stem'}) {
|
|---|
| 496 | system ("mg_stem_idx$exe -b 4096 -s2 -f \"$fullindexprefix\" $osextra");
|
|---|
| 497 | #}
|
|---|
| 498 | #if ($self->{'casefold'} && $self->{'stem'}) {
|
|---|
| 499 | system ("mg_stem_idx$exe -b 4096 -s3 -f \"$fullindexprefix\" $osextra");
|
|---|
| 500 | #}
|
|---|
| 501 |
|
|---|
| 502 | # remove unwanted files
|
|---|
| 503 | my $tmpdir = &util::filename_cat ($self->{'build_dir'}, $indexdir);
|
|---|
| 504 | opendir (DIR, $tmpdir) || die
|
|---|
| 505 | "mgbuilder::build_index - couldn't read directory $tmpdir\n";
|
|---|
| 506 | foreach my $file (readdir(DIR)) {
|
|---|
| 507 | next if $file =~ /^\./;
|
|---|
| 508 | my ($suffix) = $file =~ /\.([^\.]+)$/;
|
|---|
| 509 | if (defined $suffix && !defined $wanted_index_files{$suffix}) {
|
|---|
| 510 | # delete it!
|
|---|
| 511 | print $outhandle "deleting $file\n" if $self->{'verbosity'} > 2;
|
|---|
| 512 | &util::rm (&util::filename_cat ($tmpdir, $file));
|
|---|
| 513 | }
|
|---|
| 514 | }
|
|---|
| 515 | closedir (DIR);
|
|---|
| 516 | }
|
|---|
| 517 | print STDERR "</Stage>\n" if $self->{'gli'};
|
|---|
| 518 | }
|
|---|
| 519 |
|
|---|
| 520 | sub build_cfg_extra {
|
|---|
| 521 | my $self = shift(@_);
|
|---|
| 522 | my ($build_cfg) = @_;
|
|---|
| 523 |
|
|---|
| 524 | # get additional stats from mg
|
|---|
| 525 | my $exedir = "$ENV{'GSDLHOME'}/bin/$ENV{'GSDLOS'}";
|
|---|
| 526 | my $exe = &util::get_os_exe ();
|
|---|
| 527 | my $mgstat_exe = &util::filename_cat($exedir, "mgstat$exe");
|
|---|
| 528 |
|
|---|
| 529 | my $collect_tail = &util::get_dirsep_tail($self->{'collection'});
|
|---|
| 530 | my $input_file = &util::filename_cat ("text", $collect_tail);
|
|---|
| 531 | if (!-e "$mgstat_exe" || !open (PIPEIN, "mgstat$exe -d \"$self->{'build_dir'}\" -f \"$input_file\" |")) {
|
|---|
| 532 | my $outhandle = $self->{'outhandle'};
|
|---|
| 533 | print $outhandle "Warning: Couldn't open pipe to $mgstat_exe to get additional stats\n";
|
|---|
| 534 | } else {
|
|---|
| 535 | my $line = "";
|
|---|
| 536 | while (defined ($line = <PIPEIN>)) {
|
|---|
| 537 | if ($line =~ /^Words in collection \[dict\]\s+:\s+(\d+)/) {
|
|---|
| 538 | ($build_cfg->{'numwords'}) = $1;
|
|---|
| 539 | } elsif ($line =~ /^Documents\s+:\s+(\d+)/) {
|
|---|
| 540 | ($build_cfg->{'numsections'}) = $1;
|
|---|
| 541 | }
|
|---|
| 542 | }
|
|---|
| 543 | close PIPEIN;
|
|---|
| 544 | }
|
|---|
| 545 | }
|
|---|
| 546 |
|
|---|
| 547 | 1;
|
|---|
| 548 |
|
|---|
| 549 |
|
|---|
| 550 |
|
|---|
