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 classify;
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29 | use cfgread;
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30 | use colcfg;
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31 | use plugin;
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32 | use util;
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33 | use FileHandle;
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34 |
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35 | BEGIN {
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36 | # set autoflush on for STDERR and STDOUT so that mg
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37 | # doesn't get out of sync with plugins
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38 | STDOUT->autoflush(1);
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39 | STDERR->autoflush(1);
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40 | }
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41 |
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42 | END {
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43 | STDOUT->autoflush(0);
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44 | STDERR->autoflush(0);
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45 | }
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46 |
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47 | $maxdocsize = 12000;
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48 |
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49 | %wanted_index_files = ('td'=>1,
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50 | 't'=>1,
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51 | 'idb'=>1,
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52 | 'ib1'=>1,
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53 | 'ib2'=>1,
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54 | 'ib3'=>1,
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55 | 'i'=>1,
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56 | 'ip'=>1,
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57 | 'tiw'=>1,
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58 | 'wa'=>1);
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59 |
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60 |
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61 | sub new {
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62 | my ($class, $collection, $source_dir, $build_dir, $verbosity,
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63 | $maxdocs, $debug, $keepold, $allclassifications,
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64 | $outhandle, $no_text, $failhandle) = @_;
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65 |
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66 | $outhandle = STDERR unless defined $outhandle;
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67 | $no_text = 0 unless defined $no_text;
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68 | $failhandle = STDERR unless defined $failhandle;
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69 |
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70 | # create an mgbuilder object
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71 | my $self = bless {'collection'=>$collection,
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72 | 'source_dir'=>$source_dir,
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73 | 'build_dir'=>$build_dir,
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74 | 'verbosity'=>$verbosity,
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75 | 'maxdocs'=>$maxdocs,
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76 | 'debug'=>$debug,
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77 | 'keepold'=>$keepold,
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78 | 'allclassifications'=>$allclassifications,
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79 | 'outhandle'=>$outhandle,
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80 | 'no_text'=>$no_text,
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81 | 'failhandle'=>$failhandle,
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82 | 'notbuilt'=>[] # indexes not built
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83 | }, $class;
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84 |
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85 |
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86 | # read in the collection configuration file
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87 | my $colcfgname = "$ENV{'GSDLCOLLECTDIR'}/etc/collect.cfg";
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88 | if (!-e $colcfgname) {
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89 | die "mgbuilder::new - couldn't find collect.cfg for collection $collection\n";
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90 | }
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91 | $self->{'collect_cfg'} = &colcfg::read_collect_cfg ($colcfgname);
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92 |
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93 | if (!defined($self->{'collect_cfg'}->{'indexes'})) {
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94 | $self->{'collect_cfg'}->{'indexes'} = [];
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95 | }
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96 |
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97 | # sort out subcollection indexes
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98 | if (defined $self->{'collect_cfg'}->{'indexsubcollections'}) {
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99 | my $indexes = $self->{'collect_cfg'}->{'indexes'};
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100 | $self->{'collect_cfg'}->{'indexes'} = [];
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101 | foreach $subcollection (@{$self->{'collect_cfg'}->{'indexsubcollections'}}) {
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102 | foreach $index (@$indexes) {
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103 | push (@{$self->{'collect_cfg'}->{'indexes'}}, "$index:$subcollection");
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104 | }
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105 | }
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106 | }
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107 |
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108 | # sort out language subindexes
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109 | if (defined $self->{'collect_cfg'}->{'languages'}) {
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110 | my $indexes = $self->{'collect_cfg'}->{'indexes'};
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111 | $self->{'collect_cfg'}->{'indexes'} = [];
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112 | foreach $language (@{$self->{'collect_cfg'}->{'languages'}}) {
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113 | foreach $index (@$indexes) {
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114 | if (defined ($self->{'collect_cfg'}->{'indexsubcollections'})) {
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115 | push (@{$self->{'collect_cfg'}->{'indexes'}}, "$index:$language");
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116 | }
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117 | else { # add in an empty subcollection field
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118 | push (@{$self->{'collect_cfg'}->{'indexes'}}, "$index\:\:$language");
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119 | }
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120 | }
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121 | }
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122 | }
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123 |
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124 | if (defined($self->{'collect_cfg'}->{'indexes'})) {
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125 | # make sure that the same index isn't specified more than once
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126 | my %tmphash = ();
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127 | my @tmparray = @{$self->{'collect_cfg'}->{'indexes'}};
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128 | $self->{'collect_cfg'}->{'indexes'} = [];
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129 | foreach my $i (@tmparray) {
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130 | if (!defined ($tmphash{$i})) {
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131 | push (@{$self->{'collect_cfg'}->{'indexes'}}, $i);
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132 | $tmphash{$i} = 1;
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133 | }
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134 | }
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135 | } else {
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136 | $self->{'collect_cfg'}->{'indexes'} = [];
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137 | }
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138 |
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139 | if (scalar(@{$self->{'collect_cfg'}->{'indexes'}}) == 0) {
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140 | # no indexes have been specified so we'll build a "dummy:text" index
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141 | push (@{$self->{'collect_cfg'}->{'indexes'}}, "dummy:text");
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142 | }
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143 |
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144 | # get the list of plugins for this collection
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145 | my $plugins = [];
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146 | if (defined $self->{'collect_cfg'}->{'plugin'}) {
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147 | $plugins = $self->{'collect_cfg'}->{'plugin'};
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148 | }
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149 |
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150 | # load all the plugins
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151 | $self->{'pluginfo'} = &plugin::load_plugins ($plugins, $verbosity, $outhandle, $failhandle);
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152 | if (scalar(@{$self->{'pluginfo'}}) == 0) {
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153 | print $outhandle "No plugins were loaded.\n";
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154 | die "\n";
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155 | }
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156 |
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157 | # get the list of classifiers for this collection
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158 | my $classifiers = [];
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159 | if (defined $self->{'collect_cfg'}->{'classify'}) {
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160 | $classifiers = $self->{'collect_cfg'}->{'classify'};
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161 | }
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162 |
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163 | # load all the classifiers
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164 | $self->{'classifiers'} = &classify::load_classifiers ($classifiers, $build_dir, $outhandle);
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165 |
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166 | # load up any dontgdbm fields
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167 | $self->{'dontgdbm'} = {};
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168 | if (defined ($self->{'collect_cfg'}->{'dontgdbm'})) {
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169 | foreach $dg (@{$self->{'collect_cfg'}->{'dontgdbm'}}) {
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170 | $self->{'dontgdbm'}->{$dg} = 1;
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171 | }
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172 | }
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173 |
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174 | # load up the document processor for building
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175 | # if a buildproc class has been created for this collection, use it
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176 | # otherwise, use the mg buildproc
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177 | my ($buildprocdir, $buildproctype);
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178 | if (-e "$ENV{'GSDLCOLLECTDIR'}/perllib/${collection}buildproc.pm") {
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179 | $buildprocdir = "$ENV{'GSDLCOLLECTDIR'}/perllib";
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180 | $buildproctype = "${collection}buildproc";
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181 | } else {
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182 | $buildprocdir = "$ENV{'GSDLHOME'}/perllib";
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183 | $buildproctype = "mgbuildproc";
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184 | }
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185 | require "$buildprocdir/$buildproctype.pm";
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186 |
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187 | eval("\$self->{'buildproc'} = new $buildproctype(\$collection, " .
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188 | "\$source_dir, \$build_dir, \$verbosity, \$outhandle)");
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189 | die "$@" if $@;
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190 |
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191 | return $self;
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192 | }
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193 |
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194 | sub init {
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195 | my $self = shift (@_);
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196 |
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197 | if (!$self->{'debug'} && !$self->{'keepold'}) {
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198 | # remove any old builds
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199 | &util::rm_r($self->{'build_dir'});
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200 | &util::mk_all_dir($self->{'build_dir'});
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201 |
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202 | # make the text directory
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203 | my $textdir = "$self->{'build_dir'}/text";
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204 | &util::mk_all_dir($textdir);
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205 | }
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206 | }
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207 |
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208 | sub compress_text {
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209 | my $self = shift (@_);
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210 | my ($textindex) = @_;
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211 | my $exedir = "$ENV{'GSDLHOME'}/bin/$ENV{'GSDLOS'}";
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212 | my $exe = &util::get_os_exe ();
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213 | my $mg_passes_exe = &util::filename_cat($exedir, "mg_passes$exe");
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214 | my $mg_compression_dict_exe = &util::filename_cat($exedir, "mg_compression_dict$exe");
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215 | my $outhandle = $self->{'outhandle'};
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216 |
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217 | my $maxnumeric = 4;
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218 | if (defined($self->{'collect_cfg'}->{'maxnumeric'}) &&
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219 | $self->{'collect_cfg'}->{'maxnumeric'} =~ /^\d+$/) {
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220 | $maxnumeric = $self->{'collect_cfg'}->{'maxnumeric'};
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221 | }
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222 |
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223 | &util::mk_all_dir (&util::filename_cat($self->{'build_dir'}, "text"));
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224 | my $basefilename = "text/$self->{'collection'}";
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225 | my $fulltextprefix = &util::filename_cat ($self->{'build_dir'}, $basefilename);
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226 |
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227 | my $osextra = "";
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228 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
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229 | $fulltextprefix =~ s@/@\\@g;
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230 | } else {
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231 | $osextra = " -d /";
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232 | }
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233 |
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234 | print $outhandle "\n*** creating the compressed text\n" if ($self->{'verbosity'} >= 1);
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235 |
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236 | # collect the statistics for the text
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237 | # -b $maxdocsize sets the maximum document size to be 12 meg
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238 | print $outhandle "\n collecting text statistics\n" if ($self->{'verbosity'} >= 1);
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239 |
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240 | my ($handle);
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241 | if ($self->{'debug'}) {
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242 | $handle = STDOUT;
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243 | } else {
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244 | if (!-e "$mg_passes_exe" ||
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245 | !open (PIPEOUT, "| mg_passes$exe -f \"$fulltextprefix\" -b $maxdocsize -T1 -M $maxnumeric $osextra")) {
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246 | die "mgbuilder::compress_text - couldn't run $mg_passes_exe\n";
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247 | }
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248 | $handle = mgbuilder::PIPEOUT;
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249 | }
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250 |
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251 | $self->{'buildproc'}->set_output_handle ($handle);
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252 | $self->{'buildproc'}->set_mode ('text');
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253 | $self->{'buildproc'}->set_index ($textindex);
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254 | $self->{'buildproc'}->set_indexing_text (0);
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255 | if ($self->{'no_text'}) {
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256 | $self->{'buildproc'}->set_store_text(0);
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257 | } else {
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258 | $self->{'buildproc'}->set_store_text(1);
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259 | }
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260 | $self->{'buildproc'}->reset();
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261 | &plugin::begin($self->{'pluginfo'}, $self->{'source_dir'},
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262 | $self->{'buildproc'}, $self->{'maxdocs'});
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263 | &plugin::read ($self->{'pluginfo'}, $self->{'source_dir'},
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264 | "", {}, $self->{'buildproc'}, $self->{'maxdocs'});
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265 | &plugin::end($self->{'pluginfo'});
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266 |
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267 | close ($handle) unless $self->{'debug'};
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268 |
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269 | $self->print_stats();
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270 |
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271 | # create the compression dictionary
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272 | # the compression dictionary is built by assuming the stats are from a seed
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273 | # dictionary (-S), if a novel word is encountered it is spelled out (-H),
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274 | # and the resulting dictionary must be less than 5 meg with the most frequent
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275 | # words being put into the dictionary first (-2 -k 5120)
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276 | if (!$self->{'debug'}) {
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277 | print $outhandle "\n creating the compression dictionary\n" if ($self->{'verbosity'} >= 1);
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278 | if (!-e "$mg_compression_dict_exe") {
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279 | die "mgbuilder::compress_text - couldn't run $mg_compression_dict_exe\n";
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280 | }
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281 | system ("mg_compression_dict$exe -f \"$fulltextprefix\" -S -H -2 -k 5120 $osextra");
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282 |
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283 | # -b $maxdocsize sets the maximum document size to be 12 meg
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284 | if (!-e "$mg_passes_exe" ||
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285 | !open ($handle, "| mg_passes$exe -f \"$fulltextprefix\" -b $maxdocsize -T2 -M $maxnumeric $osextra")) {
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286 | die "mgbuilder::compress_text - couldn't run $mg_passes_exe\n";
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287 | }
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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 $outhandle "\n compressing the text\n" if ($self->{'verbosity'} >= 1);
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293 | &plugin::read ($self->{'pluginfo'}, $self->{'source_dir'},
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294 | "", {}, $self->{'buildproc'}, $self->{'maxdocs'});
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295 | close ($handle) unless $self->{'debug'};
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296 |
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297 | $self->print_stats();
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298 | }
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299 |
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300 | sub want_built {
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301 | my $self = shift (@_);
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302 | my ($index) = @_;
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303 |
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304 | if (defined ($self->{'collect_cfg'}->{'dontbuild'})) {
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305 | foreach $checkstr (@{$self->{'collect_cfg'}->{'dontbuild'}}) {
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306 | if ($index =~ /^$checkstr$/) {
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307 | push (@{$self->{'notbuilt'}}, $self->{'index_mapping'}->{$index});
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308 | return 0;
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309 | }
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310 | }
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311 | }
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312 |
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313 | return 1;
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314 | }
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315 |
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316 | sub build_indexes {
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317 | my $self = shift (@_);
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318 | my ($indexname) = @_;
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319 | my $outhandle = $self->{'outhandle'};
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320 |
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321 | my $indexes = [];
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322 | if (defined $indexname && $indexname =~ /\w/) {
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323 | push @$indexes, $indexname;
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324 | } else {
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325 | $indexes = $self->{'collect_cfg'}->{'indexes'};
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326 | }
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327 |
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328 | # create the mapping between the index descriptions
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329 | # and their directory names
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330 | $self->{'index_mapping'} = $self->create_index_mapping ($indexes);
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331 |
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332 | # build each of the indexes
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333 | foreach $index (@$indexes) {
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334 | if ($self->want_built($index)) {
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335 | print $outhandle "\n*** building index $index in subdirectory " .
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336 | "$self->{'index_mapping'}->{$index}\n" if ($self->{'verbosity'} >= 1);
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337 | $self->build_index($index);
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338 | } else {
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339 | print $outhandle "\n*** ignoring index $index\n" if ($self->{'verbosity'} >= 1);
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340 | }
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341 | }
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342 | }
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343 |
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344 | # creates directory names for each of the index descriptions
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345 | sub create_index_mapping {
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346 | my $self = shift (@_);
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347 | my ($indexes) = @_;
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348 |
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349 | my %mapping = ();
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350 | $mapping{'indexmaporder'} = [];
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351 | $mapping{'subcollectionmaporder'} = [];
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352 | $mapping{'languagemaporder'} = [];
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353 |
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354 | # dirnames is used to check for collisions. Start this off
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355 | # with the manditory directory names
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356 | my %dirnames = ('text'=>'text',
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357 | 'extra'=>'extra');
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358 | my %pnames = ('index' => '', 'subcollection' => '', 'languages' => '');
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359 |
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360 | foreach $index (@$indexes) {
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361 | my ($level, $gran, $subcollection, $languages) = split (":", $index);
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362 |
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363 | # the directory name starts with the first character of the index level
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364 | my ($pindex) = $level =~ /^(.)/;
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365 |
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366 | # next comes a processed version of the index
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367 | $pindex .= $self->process_field ($gran);
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368 | $pindex = lc ($pindex);
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369 |
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370 | # next comes a processed version of the subcollection if there is one.
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371 | my $psub = $self->process_field ($subcollection);
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372 | $psub = lc ($psub);
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373 |
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374 | # next comes a processed version of the language if there is one.
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375 | my $plang = $self->process_field ($languages);
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376 | $plang = lc ($plang);
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377 |
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378 | my $dirname = $pindex . $psub . $plang;
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379 |
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380 | # check to be sure all index names are unique
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381 | while (defined ($dirnames{$dirname})) {
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382 | $dirname = $self->make_unique (\%pnames, $index, \$pindex, \$psub, \$plang);
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383 | }
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384 | $mapping{$index} = $dirname;
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385 |
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386 | # store the mapping orders as well as the maps
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387 | # also put index, subcollection and language fields into the mapping thing -
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388 | # (the full index name (eg document:text:subcol:lang) is not used on
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389 | # the query page) -these are used for collectionmeta later on
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390 | if (!defined $mapping{'indexmap'}{"$level:$gran"}) {
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391 | $mapping{'indexmap'}{"$level:$gran"} = $pindex;
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392 | push (@{$mapping{'indexmaporder'}}, "$level:$gran");
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393 | if (!defined $mapping{"$level:$gran"}) {
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394 | $mapping{"$level:$gran"} = $pindex;
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395 | }
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396 | }
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397 | if ($psub =~ /\w/ && !defined ($mapping{'subcollectionmap'}{$subcollection})) {
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398 | $mapping{'subcollectionmap'}{$subcollection} = $psub;
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399 | push (@{$mapping{'subcollectionmaporder'}}, $subcollection);
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400 | $mapping{$subcollection} = $psub;
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401 | }
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402 | if ($plang =~ /\w/ && !defined ($mapping{'languagemap'}{$languages})) {
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403 | $mapping{'languagemap'}{$languages} = $plang;
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404 | push (@{$mapping{'languagemaporder'}}, $languages);
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405 | $mapping{$languages} = $plang;
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406 | }
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407 | $dirnames{$dirname} = $index;
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408 | $pnames{'index'}{$pindex} = "$level:$gran";
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409 | $pnames{'subcollection'}{$psub} = $subcollection;
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410 | $pnames{'languages'}{$plang} = $languages;
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411 | }
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412 |
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413 | return \%mapping;
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414 | }
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415 |
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416 | # returns a processed version of a field.
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417 | # if the field has only one component the processed
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418 | # version will contain the first character and next consonant
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419 | # of that componant - otherwise it will contain the first
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420 | # character of the first two components
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421 | sub process_field {
|
---|
422 | my $self = shift (@_);
|
---|
423 | my ($field) = @_;
|
---|
424 |
|
---|
425 | return "" unless (defined ($field) && $field =~ /\w/);
|
---|
426 |
|
---|
427 | my @components = split /,/, $field;
|
---|
428 | if (scalar @components >= 2) {
|
---|
429 | splice (@components, 2);
|
---|
430 | map {s/^(.).*$/$1/;} @components;
|
---|
431 | return join("", @components);
|
---|
432 | } else {
|
---|
433 | my ($a, $b) = $field =~ /^(.).*?([bcdfghjklmnpqrstvwxyz])/i;
|
---|
434 | ($a, $b) = $field =~ /^(.)(.)/ unless defined $a && defined $b;
|
---|
435 | return "$a$b";
|
---|
436 | }
|
---|
437 | }
|
---|
438 |
|
---|
439 | sub make_unique {
|
---|
440 | my $self = shift (@_);
|
---|
441 | my ($namehash, $index, $indexref, $subref, $langref) = @_;
|
---|
442 | my ($level, $gran, $subcollection, $languages) = split (":", $index);
|
---|
443 |
|
---|
444 | if ($namehash->{'index'}->{$$indexref} ne "$level:$gran") {
|
---|
445 | $self->get_next_version ($indexref);
|
---|
446 | } elsif ($namehash->{'subcollection'}->{$$subref} ne $subcollection) {
|
---|
447 | $self->get_next_version ($subref);
|
---|
448 | } elsif ($namehash->{'languages'}->{$$langref} ne $languages) {
|
---|
449 | $self->get_next_version ($langref);
|
---|
450 | }
|
---|
451 | return "$$indexref$$subref$$langref";
|
---|
452 | }
|
---|
453 |
|
---|
454 | sub get_next_version {
|
---|
455 | my $self = shift (@_);
|
---|
456 | my ($nameref) = @_;
|
---|
457 |
|
---|
458 | if ($$nameref =~ /(\d\d)$/) {
|
---|
459 | my $num = $1; $num ++;
|
---|
460 | $$nameref =~ s/\d\d$/$num/;
|
---|
461 | } elsif ($$nameref =~ /(\d)$/) {
|
---|
462 | my $num = $1;
|
---|
463 | if ($num == 9) {$$nameref =~ s/\d\d$/10/;}
|
---|
464 | else {$num ++; $$nameref =~ s/\d$/$num/;}
|
---|
465 | } else {
|
---|
466 | $$nameref =~ s/.$/0/;
|
---|
467 | }
|
---|
468 | }
|
---|
469 |
|
---|
470 | sub build_index {
|
---|
471 | my $self = shift (@_);
|
---|
472 | my ($index) = @_;
|
---|
473 | my $outhandle = $self->{'outhandle'};
|
---|
474 |
|
---|
475 | # get the full index directory path and make sure it exists
|
---|
476 | my $indexdir = $self->{'index_mapping'}->{$index};
|
---|
477 | &util::mk_all_dir (&util::filename_cat($self->{'build_dir'}, $indexdir));
|
---|
478 | my $fullindexprefix = &util::filename_cat ($self->{'build_dir'}, $indexdir,
|
---|
479 | $self->{'collection'});
|
---|
480 | my $fulltextprefix = &util::filename_cat ($self->{'build_dir'}, "text",
|
---|
481 | $self->{'collection'});
|
---|
482 |
|
---|
483 | # get any os specific stuff
|
---|
484 | my $exedir = "$ENV{'GSDLHOME'}/bin/$ENV{'GSDLOS'}";
|
---|
485 | my $exe = &util::get_os_exe ();
|
---|
486 | my $mg_passes_exe = &util::filename_cat($exedir, "mg_passes$exe");
|
---|
487 | my $mg_perf_hash_build_exe =
|
---|
488 | &util::filename_cat($exedir, "mg_perf_hash_build$exe");
|
---|
489 | my $mg_weights_build_exe =
|
---|
490 | &util::filename_cat ($exedir, "mg_weights_build$exe");
|
---|
491 | my $mg_invf_dict_exe =
|
---|
492 | &util::filename_cat ($exedir, "mg_invf_dict$exe");
|
---|
493 | my $mg_stem_idx_exe =
|
---|
494 | &util::filename_cat ($exedir, "mg_stem_idx$exe");
|
---|
495 |
|
---|
496 | my $maxnumeric = 4;
|
---|
497 | if (defined($self->{'collect_cfg'}->{'maxnumeric'}) &&
|
---|
498 | $self->{'collect_cfg'}->{'maxnumeric'} =~ /^\d+$/) {
|
---|
499 | $maxnumeric = $self->{'collect_cfg'}->{'maxnumeric'};
|
---|
500 | }
|
---|
501 |
|
---|
502 | my $osextra = "";
|
---|
503 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
|
---|
504 | $fullindexprefix =~ s@/@\\@g;
|
---|
505 | } else {
|
---|
506 | $osextra = " -d /";
|
---|
507 | if ($outhandle ne "STDERR") {
|
---|
508 | # so mg_passes doesn't print to stderr if we redirect output
|
---|
509 | $osextra .= " 2>/dev/null";
|
---|
510 | }
|
---|
511 | }
|
---|
512 |
|
---|
513 | # get the index level from the index description
|
---|
514 | # the index will be level 2 unless we are building a
|
---|
515 | # paragraph level index
|
---|
516 | my $index_level = 2;
|
---|
517 | $index_level = 3 if $index =~ /^paragraph/i;
|
---|
518 |
|
---|
519 | # get the index expression if this index belongs
|
---|
520 | # to a subcollection
|
---|
521 | my $indexexparr = [];
|
---|
522 |
|
---|
523 | # there may be subcollection info, and language info.
|
---|
524 | my ($level, $fields, $subcollection, $language) = split (":", $index);
|
---|
525 | my @subcollections = ();
|
---|
526 | @subcollections = split /,/, $subcollection if (defined $subcollection);
|
---|
527 |
|
---|
528 | foreach $subcollection (@subcollections) {
|
---|
529 | if (defined ($self->{'collect_cfg'}->{'subcollection'}->{$subcollection})) {
|
---|
530 | push (@$indexexparr, $self->{'collect_cfg'}->{'subcollection'}->{$subcollection});
|
---|
531 | }
|
---|
532 | }
|
---|
533 |
|
---|
534 | # add expressions for languages if this index belongs to
|
---|
535 | # a language subcollection - only put languages expressions for the
|
---|
536 | # ones we want in the index
|
---|
537 |
|
---|
538 | my @languages = ();
|
---|
539 | @languages = split /,/, $language if (defined $language);
|
---|
540 | foreach $language (@languages) {
|
---|
541 | my $not=0;
|
---|
542 | if ($language =~ s/^\!//) {
|
---|
543 | $not = 1;
|
---|
544 | }
|
---|
545 | foreach $lang (@{$self->{'collect_cfg'}->{'languages'}}) {
|
---|
546 | if ($lang eq $language) {
|
---|
547 | if($not) {
|
---|
548 | push (@$indexexparr, "!Language/$language/");
|
---|
549 | } else {
|
---|
550 | push (@$indexexparr, "Language/$language/");
|
---|
551 | }
|
---|
552 | last;
|
---|
553 | }
|
---|
554 | }
|
---|
555 | }
|
---|
556 |
|
---|
557 | # Build index dictionary. Uses verbatim stem method
|
---|
558 | print $outhandle "\n creating index dictionary\n" if ($self->{'verbosity'} >= 1);
|
---|
559 | my ($handle);
|
---|
560 | if ($self->{'debug'}) {
|
---|
561 | $handle = STDOUT;
|
---|
562 | } else {
|
---|
563 | if (!-e "$mg_passes_exe" ||
|
---|
564 | !open (PIPEOUT, "| mg_passes$exe -f \"$fullindexprefix\" -b $maxdocsize " .
|
---|
565 | "-$index_level -m 32 -s 0 -G -t 10 -N1 -M $maxnumeric $osextra")) {
|
---|
566 | die "mgbuilder::build_index - couldn't run $mg_passes_exe\n";
|
---|
567 | }
|
---|
568 | $handle = mgbuilder::PIPEOUT;
|
---|
569 | }
|
---|
570 |
|
---|
571 | # set up the document processor
|
---|
572 | $self->{'buildproc'}->set_output_handle ($handle);
|
---|
573 | $self->{'buildproc'}->set_mode ('text');
|
---|
574 | $self->{'buildproc'}->set_index ($index, $indexexparr);
|
---|
575 | $self->{'buildproc'}->set_indexing_text (1);
|
---|
576 | $self->{'buildproc'}->set_store_text(1);
|
---|
577 |
|
---|
578 | $self->{'buildproc'}->reset();
|
---|
579 | &plugin::read ($self->{'pluginfo'}, $self->{'source_dir'},
|
---|
580 | "", {}, $self->{'buildproc'}, $self->{'maxdocs'});
|
---|
581 | close ($handle) unless $self->{'debug'};
|
---|
582 |
|
---|
583 | $self->print_stats();
|
---|
584 |
|
---|
585 | if (!$self->{'debug'}) {
|
---|
586 | # create the perfect hash function
|
---|
587 | if (!-e "$mg_perf_hash_build_exe") {
|
---|
588 | die "mgbuilder::build_index - couldn't run $mg_perf_hash_build_exe\n";
|
---|
589 | }
|
---|
590 | system ("mg_perf_hash_build$exe -f \"$fullindexprefix\" $osextra");
|
---|
591 |
|
---|
592 | if (!-e "$mg_passes_exe" ||
|
---|
593 | !open ($handle, "| mg_passes$exe -f \"$fullindexprefix\" -b $maxdocsize " .
|
---|
594 | "-$index_level -c 3 -G -t 10 -N2 -M $maxnumeric $osextra")) {
|
---|
595 | die "mgbuilder::build_index - couldn't run $mg_passes_exe\n";
|
---|
596 | }
|
---|
597 | }
|
---|
598 |
|
---|
599 | # invert the text
|
---|
600 | print $outhandle "\n inverting the text\n" if ($self->{'verbosity'} >= 1);
|
---|
601 |
|
---|
602 | $self->{'buildproc'}->reset();
|
---|
603 | &plugin::read ($self->{'pluginfo'}, $self->{'source_dir'},
|
---|
604 | "", {}, $self->{'buildproc'}, $self->{'maxdocs'});
|
---|
605 |
|
---|
606 | $self->print_stats ();
|
---|
607 |
|
---|
608 | if (!$self->{'debug'}) {
|
---|
609 |
|
---|
610 | close ($handle);
|
---|
611 |
|
---|
612 | # create the weights file
|
---|
613 | print $outhandle "\n create the weights file\n" if ($self->{'verbosity'} >= 1);
|
---|
614 | if (!-e "$mg_weights_build_exe") {
|
---|
615 | die "mgbuilder::build_index - couldn't run $mg_weights_build_exe\n";
|
---|
616 | }
|
---|
617 | system ("mg_weights_build$exe -f \"$fullindexprefix\" -t \"$fulltextprefix\" $osextra");
|
---|
618 |
|
---|
619 | # create 'on-disk' stemmed dictionary
|
---|
620 | print $outhandle "\n creating 'on-disk' stemmed dictionary\n" if ($self->{'verbosity'} >= 1);
|
---|
621 | if (!-e "$mg_invf_dict_exe") {
|
---|
622 | die "mgbuilder::build_index - couldn't run $mg_invf_dict_exe\n";
|
---|
623 | }
|
---|
624 | system ("mg_invf_dict$exe -f \"$fullindexprefix\" $osextra");
|
---|
625 |
|
---|
626 |
|
---|
627 | # creates stem index files for the various stemming methods
|
---|
628 | print $outhandle "\n creating stem indexes\n" if ($self->{'verbosity'} >= 1);
|
---|
629 | if (!-e "$mg_stem_idx_exe") {
|
---|
630 | die "mgbuilder::build_index - couldn't run $mg_stem_idx_exe\n";
|
---|
631 | }
|
---|
632 | system ("mg_stem_idx$exe -b 4096 -s1 -f \"$fullindexprefix\" $osextra");
|
---|
633 | system ("mg_stem_idx$exe -b 4096 -s2 -f \"$fullindexprefix\" $osextra");
|
---|
634 | system ("mg_stem_idx$exe -b 4096 -s3 -f \"$fullindexprefix\" $osextra");
|
---|
635 |
|
---|
636 | # remove unwanted files
|
---|
637 | my $tmpdir = &util::filename_cat ($self->{'build_dir'}, $indexdir);
|
---|
638 | opendir (DIR, $tmpdir) || die
|
---|
639 | "mgbuilder::build_index - couldn't read directory $tmpdir\n";
|
---|
640 | foreach $file (readdir(DIR)) {
|
---|
641 | next if $file =~ /^\./;
|
---|
642 | my ($suffix) = $file =~ /\.([^\.]+)$/;
|
---|
643 | if (defined $suffix && !defined $wanted_index_files{$suffix}) {
|
---|
644 | # delete it!
|
---|
645 | print $outhandle "deleting $file\n" if $self->{'verbosity'} > 2;
|
---|
646 | &util::rm (&util::filename_cat ($tmpdir, $file));
|
---|
647 | }
|
---|
648 | }
|
---|
649 | closedir (DIR);
|
---|
650 | }
|
---|
651 | }
|
---|
652 |
|
---|
653 | sub make_infodatabase {
|
---|
654 | my $self = shift (@_);
|
---|
655 | my $outhandle = $self->{'outhandle'};
|
---|
656 |
|
---|
657 | my $textdir = &util::filename_cat($self->{'build_dir'}, "text");
|
---|
658 | my $assocdir = &util::filename_cat($self->{'build_dir'}, "assoc");
|
---|
659 | &util::mk_all_dir ($textdir);
|
---|
660 | &util::mk_all_dir ($assocdir);
|
---|
661 |
|
---|
662 | # get db name
|
---|
663 | my $dbext = ".bdb";
|
---|
664 | $dbext = ".ldb" if &util::is_little_endian();
|
---|
665 | my $fulldbname = &util::filename_cat ($textdir, "$self->{'collection'}$dbext");
|
---|
666 | $fulldbname =~ s/\//\\/g if ($ENV{'GSDLOS'} =~ /^windows$/i);
|
---|
667 |
|
---|
668 | my $exedir = "$ENV{'GSDLHOME'}/bin/$ENV{'GSDLOS'}";
|
---|
669 | my $exe = &util::get_os_exe ();
|
---|
670 | my $txt2db_exe = &util::filename_cat($exedir, "txt2db$exe");
|
---|
671 |
|
---|
672 | print $outhandle "\n*** creating the info database and processing associated files\n"
|
---|
673 | if ($self->{'verbosity'} >= 1);
|
---|
674 |
|
---|
675 | # init all the classifiers
|
---|
676 | &classify::init_classifiers ($self->{'classifiers'});
|
---|
677 |
|
---|
678 |
|
---|
679 | # set up the document processor
|
---|
680 | my ($handle);
|
---|
681 | if ($self->{'debug'}) {
|
---|
682 | $handle = STDOUT;
|
---|
683 | } else {
|
---|
684 | if (!-e "$txt2db_exe" || !open (PIPEOUT, "| txt2db$exe \"$fulldbname\"")) {
|
---|
685 | die "mgbuilder::make_infodatabase - couldn't run $txt2db_exe\n";
|
---|
686 | }
|
---|
687 | $handle = mgbuilder::PIPEOUT;
|
---|
688 | }
|
---|
689 |
|
---|
690 | $self->{'buildproc'}->set_output_handle ($handle);
|
---|
691 | $self->{'buildproc'}->set_mode ('infodb');
|
---|
692 | $self->{'buildproc'}->set_assocdir ($assocdir);
|
---|
693 | $self->{'buildproc'}->set_dontgdbm ($self->{'dontgdbm'});
|
---|
694 | $self->{'buildproc'}->set_classifiers ($self->{'classifiers'});
|
---|
695 | $self->{'buildproc'}->set_indexing_text (0);
|
---|
696 | $self->{'buildproc'}->set_store_text(1);
|
---|
697 | $self->{'buildproc'}->reset();
|
---|
698 |
|
---|
699 | if (defined $self->{'collect_cfg'}->{'collectionmeta'}) {
|
---|
700 |
|
---|
701 | if (!defined $self->{'index_mapping'}) {
|
---|
702 | $self->{'index_mapping'} =
|
---|
703 | $self->create_index_mapping ($self->{'collect_cfg'}->{'indexes'});
|
---|
704 | }
|
---|
705 |
|
---|
706 | print $handle "[collection]\n";
|
---|
707 |
|
---|
708 | foreach $cmeta (keys (%{$self->{'collect_cfg'}->{'collectionmeta'}})) {
|
---|
709 | my $defaultfound=0;
|
---|
710 | my $first=1;
|
---|
711 | my $metadata_entry = "";
|
---|
712 | my $default="";
|
---|
713 | my $cmetamap = "";
|
---|
714 | if ($cmeta =~ s/^\.//) {
|
---|
715 | if (defined $self->{'index_mapping'}->{$cmeta}) {
|
---|
716 | $cmetamap = $self->{'index_mapping'}->{$cmeta};
|
---|
717 | $cmeta = ".$cmeta";
|
---|
718 | }
|
---|
719 | else {
|
---|
720 | print $outhandle "mgbuilder: warning bad collectionmeta option '$cmeta' - ignored\n";
|
---|
721 | next; #ignore this one
|
---|
722 | }
|
---|
723 | }
|
---|
724 | else {
|
---|
725 | $cmetamap = $cmeta; # just using the same name
|
---|
726 | }
|
---|
727 | #iterate through the languages
|
---|
728 | foreach $lang (keys (%{$self->{'collect_cfg'}->{'collectionmeta'}->{$cmeta}})) {
|
---|
729 | if ($first) {
|
---|
730 | $first=0;
|
---|
731 | #set the default default to the first entry
|
---|
732 | $default=$self->{'collect_cfg'}->{'collectionmeta'}->{$cmeta}->{$lang};
|
---|
733 | }
|
---|
734 | if ($lang =~ /default/) {
|
---|
735 | $defaultfound=1;
|
---|
736 | #the default entry goes first
|
---|
737 | $metadata_entry = "<$cmetamap>" .
|
---|
738 | $self->{'collect_cfg'}->{'collectionmeta'}->{$cmeta}->{'default'} . "\n" . $metadata_entry;
|
---|
739 | }
|
---|
740 | else {
|
---|
741 | my ($l) = $lang =~ /^\[l=(\w*)\]$/;
|
---|
742 | if ($l) {
|
---|
743 | $metadata_entry .= "<$cmetamap:$l>" .
|
---|
744 | $self->{'collect_cfg'}->{'collectionmeta'}->{$cmeta}->{$lang} . "\n";
|
---|
745 | }
|
---|
746 | }
|
---|
747 | }
|
---|
748 | #if we haven't found a default, put one in
|
---|
749 | if (!$defaultfound) {
|
---|
750 | $metadata_entry = "<$cmetamap>$default\n" . $metadata_entry;
|
---|
751 | }
|
---|
752 | #write the entry to the file
|
---|
753 | print $handle $metadata_entry;
|
---|
754 |
|
---|
755 | }
|
---|
756 |
|
---|
757 | print $handle "\n" . ('-' x 70) . "\n";
|
---|
758 |
|
---|
759 | }
|
---|
760 |
|
---|
761 |
|
---|
762 | &plugin::read ($self->{'pluginfo'}, $self->{'source_dir'},
|
---|
763 | "", {}, $self->{'buildproc'}, $self->{'maxdocs'});
|
---|
764 |
|
---|
765 | # output classification information
|
---|
766 | &classify::output_classify_info ($self->{'classifiers'}, $handle,
|
---|
767 | $self->{'allclassifications'});
|
---|
768 |
|
---|
769 |
|
---|
770 |
|
---|
771 | #output doclist
|
---|
772 | my @doclist = $self->{'buildproc'}->get_doc_list();
|
---|
773 | my $docs = join (";",@doclist);
|
---|
774 | print $handle "[browselist]\n";
|
---|
775 | print $handle "<hastxt>0\n";
|
---|
776 | print $handle "<childtype>VList\n";
|
---|
777 | print $handle "<numleafdocs>" . ($#doclist+1) . "\n";
|
---|
778 | print $handle "<thistype>Invisible\n";
|
---|
779 | print $handle "<contains>$docs";
|
---|
780 | print $handle "\n" . ('-' x 70) . "\n";
|
---|
781 |
|
---|
782 | close ($handle) if !$self->{'debug'};
|
---|
783 | }
|
---|
784 |
|
---|
785 | sub collect_specific {
|
---|
786 | my $self = shift (@_);
|
---|
787 | }
|
---|
788 |
|
---|
789 | sub make_auxiliary_files {
|
---|
790 | my $self = shift (@_);
|
---|
791 | my ($index);
|
---|
792 | my %build_cfg = ();
|
---|
793 | my $outhandle = $self->{'outhandle'};
|
---|
794 |
|
---|
795 | print $outhandle "\n*** creating auxiliary files \n" if ($self->{'verbosity'} >= 1);
|
---|
796 |
|
---|
797 | # get the text directory
|
---|
798 | &util::mk_all_dir ($self->{'build_dir'});
|
---|
799 |
|
---|
800 | # store the build date
|
---|
801 | $build_cfg->{'builddate'} = time;
|
---|
802 |
|
---|
803 | # store the number of documents and number of bytes
|
---|
804 | $build_cfg->{'numdocs'} = $self->{'buildproc'}->get_num_docs();
|
---|
805 | $build_cfg->{'numbytes'} = $self->{'buildproc'}->get_num_bytes();
|
---|
806 |
|
---|
807 | # get additional stats from mg
|
---|
808 | my $exedir = "$ENV{'GSDLHOME'}/bin/$ENV{'GSDLOS'}";
|
---|
809 | my $exe = &util::get_os_exe ();
|
---|
810 | my $mgstat_exe = &util::filename_cat($exedir, "mgstat$exe");
|
---|
811 | my $input_file = &util::filename_cat ("text", $self->{'collection'});
|
---|
812 | if (!-e "$mgstat_exe" || !open (PIPEIN, "mgstat$exe -d \"$self->{'build_dir'}\" -f \"$input_file\" |")) {
|
---|
813 | print $outhandle "Warning: Couldn't open pipe to $mgstat_exe to get additional stats\n";
|
---|
814 | } else {
|
---|
815 | my $line = "";
|
---|
816 | while (defined ($line = <PIPEIN>)) {
|
---|
817 | if ($line =~ /^Words in collection \[dict\]\s+:\s+(\d+)/) {
|
---|
818 | ($build_cfg->{'numwords'}) = $1;
|
---|
819 | } elsif ($line =~ /^Documents\s+:\s+(\d+)/) {
|
---|
820 | ($build_cfg->{'numsections'}) = $1;
|
---|
821 | }
|
---|
822 | }
|
---|
823 | close PIPEIN;
|
---|
824 | }
|
---|
825 |
|
---|
826 | # store the mapping between the index names and the directory names
|
---|
827 | my @indexmap = ();
|
---|
828 | foreach $index (@{$self->{'index_mapping'}->{'indexmaporder'}}) {
|
---|
829 | push (@indexmap, "$index\-\>$self->{'index_mapping'}->{'indexmap'}->{$index}");
|
---|
830 | }
|
---|
831 | $build_cfg->{'indexmap'} = \@indexmap;
|
---|
832 |
|
---|
833 | my @subcollectionmap = ();
|
---|
834 | foreach $subcollection (@{$self->{'index_mapping'}->{'subcollectionmaporder'}}) {
|
---|
835 | push (@subcollectionmap, "$subcollection\-\>" .
|
---|
836 | $self->{'index_mapping'}->{'subcollectionmap'}->{$subcollection});
|
---|
837 | }
|
---|
838 | $build_cfg->{'subcollectionmap'} = \@subcollectionmap if scalar (@subcollectionmap);
|
---|
839 |
|
---|
840 | my @languagemap = ();
|
---|
841 | foreach $language (@{$self->{'index_mapping'}->{'languagemaporder'}}) {
|
---|
842 | push (@languagemap, "$language\-\>" .
|
---|
843 | $self->{'index_mapping'}->{'languagemap'}->{$language});
|
---|
844 | }
|
---|
845 | $build_cfg->{'languagemap'} = \@languagemap if scalar (@languagemap);
|
---|
846 |
|
---|
847 | $build_cfg->{'notbuilt'} = $self->{'notbuilt'} if scalar @{$self->{'notbuilt'}};
|
---|
848 |
|
---|
849 | $build_cfg->{'maxnumeric'} = 4;
|
---|
850 | if (defined($self->{'collect_cfg'}->{'maxnumeric'}) &&
|
---|
851 | $self->{'collect_cfg'}->{'maxnumeric'} =~ /^\d+$/) {
|
---|
852 | $build_cfg->{'maxnumeric'} = $self->{'collect_cfg'}->{'maxnumeric'};
|
---|
853 | }
|
---|
854 |
|
---|
855 | # write out the build information
|
---|
856 | &cfgread::write_cfg_file("$self->{'build_dir'}/build.cfg", $build_cfg,
|
---|
857 | '^(builddate|numdocs|numbytes|numwords|numsections|maxnumeric)$',
|
---|
858 | '^(indexmap|subcollectionmap|languagemap|notbuilt)$');
|
---|
859 |
|
---|
860 | }
|
---|
861 |
|
---|
862 | sub deinit {
|
---|
863 | my $self = shift (@_);
|
---|
864 | }
|
---|
865 |
|
---|
866 | sub print_stats {
|
---|
867 | my $self = shift (@_);
|
---|
868 |
|
---|
869 | my $outhandle = $self->{'outhandle'};
|
---|
870 | my $indexing_text = $self->{'buildproc'}->get_indexing_text();
|
---|
871 | my $index = $self->{'buildproc'}->get_index();
|
---|
872 | my $num_bytes = $self->{'buildproc'}->get_num_bytes();
|
---|
873 | my $num_processed_bytes = $self->{'buildproc'}->get_num_processed_bytes();
|
---|
874 |
|
---|
875 | if ($indexing_text) {
|
---|
876 | print $outhandle "Stats (Creating index $index)\n";
|
---|
877 | } else {
|
---|
878 | print $outhandle "Stats (Compressing text from $index)\n";
|
---|
879 | }
|
---|
880 | print $outhandle "Total bytes in collection: $num_bytes\n";
|
---|
881 | print $outhandle "Total bytes in $index: $num_processed_bytes\n";
|
---|
882 |
|
---|
883 | if ($num_processed_bytes < 50 && ($indexing_text || !$self->{'no_text'})) {
|
---|
884 | print $outhandle "***************\n";
|
---|
885 | if ($indexing_text) {
|
---|
886 | print $outhandle "WARNING: There is very little or no text to process for $index\n";
|
---|
887 | } elsif (!$self->{'no_text'}) {
|
---|
888 | print $outhandle "WARNING: There is very little or no text to compress\n";
|
---|
889 | }
|
---|
890 | print $outhandle " Was this your intention?\n";
|
---|
891 | print $outhandle "***************\n";
|
---|
892 | }
|
---|
893 | }
|
---|
894 |
|
---|
895 | 1;
|
---|