1 | ###########################################################################
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2 | #
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3 | # mgppbuilder.pm -- MGBuilder object
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4 | # A component of the Greenstone digital library software
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5 | # from the New Zealand Digital Library Project at the
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6 | # University of Waikato, New Zealand.
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7 | #
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8 | # Copyright (C) 1999 New Zealand Digital Library Project
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9 | #
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10 | # This program is free software; you can redistribute it and/or modify
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11 | # it under the terms of the GNU General Public License as published by
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12 | # the Free Software Foundation; either version 2 of the License, or
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13 | # (at your option) any later version.
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14 | #
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15 | # This program is distributed in the hope that it will be useful,
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16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 | # GNU General Public License for more details.
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19 | #
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20 | # You should have received a copy of the GNU General Public License
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21 | # along with this program; if not, write to the Free Software
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22 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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23 | #
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24 | ###########################################################################
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25 |
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26 | package mgppbuilder;
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27 |
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28 | use 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 |
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36 | BEGIN {
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37 | # set autoflush on for STDERR and STDOUT so that mg
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38 | # doesn't get out of sync with plugins
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39 | STDOUT->autoflush(1);
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40 | STDERR->autoflush(1);
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41 | }
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42 |
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43 | END {
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44 | STDOUT->autoflush(0);
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45 | STDERR->autoflush(0);
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46 | }
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47 |
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48 | $maxdocsize = 12000;
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49 |
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50 |
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51 | %wanted_index_files = ('td'=>1,
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52 | 't'=>1,
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53 | 'tl'=>1,
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54 | 'ti'=>1,
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55 | 'idb'=>1,
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56 | 'ib1'=>1,
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57 | 'ib2'=>1,
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58 | 'ib3'=>1,
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59 | 'i'=>1,
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60 | 'il'=>1,
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61 | 'w'=>1,
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62 | 'wa'=>1);
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63 |
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64 | # change this so a user can add their own ones in via a file or cfg
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65 | %static_indexfield_map = ('Title'=>'TI',
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66 | 'TI'=>1,
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67 | 'Subject'=>'SU',
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68 | 'SU'=>1,
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69 | 'Creator'=>'CR',
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70 | 'CR'=>1,
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71 | 'Organization'=>'OR',
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72 | 'OR'=>1,
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73 | 'Source'=>'SO',
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74 | 'SO'=>1,
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75 | 'Howto'=>'HT',
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76 | 'HT'=>1,
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77 | 'ItemTitle'=>'IT',
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78 | 'IT'=>1,
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79 | 'ProgNumber'=>'PN',
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80 | 'PN'=>1,
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81 | 'People'=>'PE',
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82 | 'PE'=>1,
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83 | 'TextOnly'=>'TX',
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84 | 'TX'=>1);
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85 |
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86 | sub new {
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87 | my ($class, $collection, $source_dir, $build_dir, $verbosity,
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88 | $maxdocs, $debug, $keepold, $allclassifications,
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89 | $outhandle, $no_text) = @_;
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90 |
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91 | $outhandle = STDERR unless defined $outhandle;
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92 | $no_text = 0 unless defined $no_text;
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93 |
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94 | # create an mgppbuilder object
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95 | my $self = bless {'collection'=>$collection,
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96 | 'source_dir'=>$source_dir,
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97 | 'build_dir'=>$build_dir,
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98 | 'verbosity'=>$verbosity,
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99 | 'maxdocs'=>$maxdocs,
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100 | 'debug'=>$debug,
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101 | 'keepold'=>$keepold,
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102 | 'allclassifications'=>$allclassifications,
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103 | 'outhandle'=>$outhandle,
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104 | 'no_text'=>$no_text,
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105 | 'notbuilt'=>[], # indexes not built
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106 | 'indexfieldmap'=>\%static_indexfield_map
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107 | }, $class;
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108 |
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109 |
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110 | # read in the collection configuration file
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111 | my $colcfgname = "$ENV{'GSDLCOLLECTDIR'}/etc/collect.cfg";
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112 | if (!-e $colcfgname) {
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113 | die "mgppbuilder::new - couldn't find collect.cfg for collection $collection\n";
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114 | }
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115 | $self->{'collect_cfg'} = &colcfg::read_collect_cfg ($colcfgname);
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116 |
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117 | # sort out subcollection indexes
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118 | if (defined $self->{'collect_cfg'}->{'indexsubcollections'}) {
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119 | my $indexes = $self->{'collect_cfg'}->{'indexes'};
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120 | $self->{'collect_cfg'}->{'indexes'} = [];
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121 | foreach $subcollection (@{$self->{'collect_cfg'}->{'indexsubcollections'}}) {
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122 | foreach $index (@$indexes) {
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123 | push (@{$self->{'collect_cfg'}->{'indexes'}}, "$index:$subcollection");
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124 | }
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125 | }
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126 | }
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127 |
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128 | # sort out language subindexes
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129 | if (defined $self->{'collect_cfg'}->{'languages'}) {
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130 | my $indexes = $self->{'collect_cfg'}->{'indexes'};
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131 | $self->{'collect_cfg'}->{'indexes'} = [];
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132 | foreach $language (@{$self->{'collect_cfg'}->{'languages'}}) {
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133 | foreach $index (@$indexes) {
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134 | if (defined ($self->{'collect_cfg'}->{'indexsubcollections'})) {
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135 | push (@{$self->{'collect_cfg'}->{'indexes'}}, "$index:$language");
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136 | }
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137 | else { # add in an empty subcollection field
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138 | push (@{$self->{'collect_cfg'}->{'indexes'}}, "$index\:\:$language");
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139 | }
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140 | }
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141 | }
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142 | }
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143 |
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144 | # make sure that the same index isn't specified more than once
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145 | my %tmphash = ();
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146 | my @tmparray = @{$self->{'collect_cfg'}->{'indexes'}};
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147 | $self->{'collect_cfg'}->{'indexes'} = [];
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148 | foreach my $i (@tmparray) {
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149 | if (!defined ($tmphash{$i})) {
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150 | push (@{$self->{'collect_cfg'}->{'indexes'}}, $i);
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151 | $tmphash{$i} = 1;
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152 | }
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153 | }
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154 |
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155 |
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156 | # get the levels (Section, Paragraph) for indexing and compression
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157 | $self->{'levels'} = {};
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158 | if (defined $self->{'collect_cfg'}->{'levels'}) {
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159 | foreach $level ( @{$self->{'collect_cfg'}->{'levels'}} ){
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160 | $self->{'levels'}->{$level} = 1;
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161 | }
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162 | }
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163 |
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164 | # get the list of plugins for this collection
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165 | my $plugins = [];
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166 | if (defined $self->{'collect_cfg'}->{'plugin'}) {
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167 | $plugins = $self->{'collect_cfg'}->{'plugin'};
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168 | }
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169 |
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170 | # load all the plugins
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171 | $self->{'pluginfo'} = &plugin::load_plugins ($plugins, $verbosity, $outhandle);
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172 | if (scalar(@{$self->{'pluginfo'}}) == 0) {
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173 | print $outhandle "No plugins were loaded.\n";
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174 | die "\n";
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175 | }
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176 |
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177 | # get the list of classifiers for this collection
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178 | my $classifiers = [];
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179 | if (defined $self->{'collect_cfg'}->{'classify'}) {
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180 | $classifiers = $self->{'collect_cfg'}->{'classify'};
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181 | }
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182 |
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183 | # load all the classifiers
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184 | $self->{'classifiers'} = &classify::load_classifiers ($classifiers, $build_dir, $outhandle);
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185 |
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186 | # load up any dontgdbm fields
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187 | $self->{'dontgdbm'} = {};
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188 | if (defined ($self->{'collect_cfg'}->{'dontgdbm'})) {
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189 | foreach $dg (@{$self->{'collect_cfg'}->{'dontgdbm'}}) {
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190 | $self->{'dontgdbm'}->{$dg} = 1;
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191 | }
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192 | }
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193 |
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194 | # load up the document processor for building
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195 | # if a buildproc class has been created for this collection, use it
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196 | # otherwise, use the mgpp buildproc
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197 | my ($buildprocdir, $buildproctype);
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198 | if (-e "$ENV{'GSDLCOLLECTDIR'}/perllib/${collection}buildproc.pm") {
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199 | $buildprocdir = "$ENV{'GSDLCOLLECTDIR'}/perllib";
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200 | $buildproctype = "${collection}buildproc";
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201 | } else {
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202 | $buildprocdir = "$ENV{'GSDLHOME'}/perllib";
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203 | $buildproctype = "mgppbuildproc";
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204 | }
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205 | require "$buildprocdir/$buildproctype.pm";
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206 |
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207 | eval("\$self->{'buildproc'} = new $buildproctype(\$collection, " .
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208 | "\$source_dir, \$build_dir, \$verbosity, \$outhandle)");
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209 | die "$@" if $@;
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210 |
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211 |
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212 | return $self;
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213 | }
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214 |
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215 | sub init {
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216 | my $self = shift (@_);
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217 |
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218 | if (!$self->{'debug'} && !$self->{'keepold'}) {
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219 | # remove any old builds
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220 | &util::rm_r($self->{'build_dir'});
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221 | &util::mk_all_dir($self->{'build_dir'});
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222 |
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223 | # make the text directory
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224 | my $textdir = "$self->{'build_dir'}/text";
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225 | &util::mk_all_dir($textdir);
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226 | }
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227 | }
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228 |
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229 | sub set_strip_html {
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230 | my $self = shift (@_);
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231 | my ($strip) = @_;
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232 |
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233 | $self->{'strip_html'} = $strip;
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234 | $self->{'buildproc'}->set_strip_html($strip);
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235 | }
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236 |
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237 | sub compress_text {
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238 |
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239 | my $self = shift (@_);
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240 | my ($textindex) = @_;
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241 |
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242 | my $exedir = "$ENV{'GSDLHOME'}/bin/$ENV{'GSDLOS'}";
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243 | my $exe = &util::get_os_exe ();
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244 | my $mgpp_passes_exe = &util::filename_cat($exedir, "mgpp_passes$exe");
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245 | my $mgpp_compression_dict_exe = &util::filename_cat($exedir, "mgpp_compression_dict$exe");
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246 | my $outhandle = $self->{'outhandle'};
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247 |
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248 | &util::mk_all_dir (&util::filename_cat($self->{'build_dir'}, "text"));
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249 |
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250 | my $basefilename = "text/$self->{'collection'}";
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251 | my $fulltextprefix = &util::filename_cat ($self->{'build_dir'}, $basefilename);
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252 |
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253 | my $osextra = "";
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254 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
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255 | $fulltextprefix =~ s/\//\\/g;
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256 | }
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257 | else {
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258 | $osextra = " -d /";
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259 | }
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260 |
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261 |
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262 | # define the section names for mgpasses
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263 | # the compressor doesn't need to know about paragraphs - never want to
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264 | # retrieve them
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265 | my $mgpp_passes_sections = "";
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266 | if ($self->{'levels'}->{'Section'}) {
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267 | $mgpp_passes_sections .= "-K Section ";
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268 | }
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269 |
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270 | print $outhandle "\n*** creating the compressed text\n" if ($self->{'verbosity'} >= 1);
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271 |
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272 | # collect the statistics for the text
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273 | # -b $maxdocsize sets the maximum document size to be 12 meg
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274 | print $outhandle "\n collecting text statistics (mgpp_passes -T1)\n" if ($self->{'verbosity'} >= 1);
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275 |
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276 | my ($handle);
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277 | if ($self->{'debug'}) {
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278 | $handle = STDOUT;
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279 | } else {
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280 | if (!-e "$mgpp_passes_exe" ||
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281 | !open (PIPEOUT, "| mgpp_passes$exe $mgpp_passes_sections -f \"$fulltextprefix\" -T1 $osextra")) {
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282 | die "mgppbuilder::compress_text - couldn't run $mgpp_passes_exe\n";
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283 | }
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284 | $handle = mgppbuilder::PIPEOUT;
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285 | }
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286 | $self->{'buildproc'}->set_output_handle ($handle);
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287 | $self->{'buildproc'}->set_mode ('text');
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288 | $self->{'buildproc'}->set_index ($textindex);
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289 | $self->{'buildproc'}->set_indexing_text (0);
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290 | if ($self->{'no_text'}) {
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291 | $self->{'buildproc'}->set_store_text(0);
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292 | } else {
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293 | $self->{'buildproc'}->set_store_text(1);
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294 | }
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295 | $self->{'buildproc'}->set_indexfieldmap ($self->{'indexfieldmap'});
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296 | $self->{'buildproc'}->set_levels ($self->{'levels'});
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297 | $self->{'buildproc'}->reset();
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298 | &plugin::begin($self->{'pluginfo'}, $self->{'source_dir'},
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299 | $self->{'buildproc'}, $self->{'maxdocs'});
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300 | &plugin::read ($self->{'pluginfo'}, $self->{'source_dir'},
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301 | "", {}, $self->{'buildproc'}, $self->{'maxdocs'});
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302 | &plugin::end($self->{'pluginfo'});
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303 | close (PIPEOUT);
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304 |
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305 | close ($handle) unless $self->{'debug'};
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306 |
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307 | $self->print_stats();
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308 |
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309 | # create the compression dictionary
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310 | # the compression dictionary is built by assuming the stats are from a seed
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311 | # dictionary (-S), if a novel word is encountered it is spelled out (-H),
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312 | # and the resulting dictionary must be less than 5 meg with the most
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313 | # frequent words being put into the dictionary first (-2 -k 5120)
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314 | # note: these options are left over from mg version
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315 | if (!$self->{'debug'}) {
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316 | print $outhandle "\n creating the compression dictionary\n" if ($self->{'verbosity'} >= 1);
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317 | if (!-e "$mgpp_compression_dict_exe") {
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318 | die "mgppbuilder::compress_text - couldn't run $mgpp_compression_dict_exe\n";
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319 | }
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320 | system ("mgpp_compression_dict$exe -f \"$fulltextprefix\" -S -H -2 -k 5120 $osextra");
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321 |
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322 | if (!$self->{'debug'}) {
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323 | if (!-e "$mgpp_passes_exe" ||
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324 | !open ($handle, "| mgpp_passes$exe $mgpp_passes_sections -f \"$fulltextprefix\" -T2 $osextra")) {
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325 | die "mgppbuilder::compress_text - couldn't run $mgpp_passes_exe\n";
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326 | }
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327 | }
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328 | }
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329 |
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330 | $self->{'buildproc'}->reset();
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331 | # compress the text
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332 | print $outhandle "\n compressing the text (mgpp_passes -T2)\n" if ($self->{'verbosity'} >= 1);
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333 | &plugin::read ($self->{'pluginfo'}, $self->{'source_dir'},
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334 | "", {}, $self->{'buildproc'}, $self->{'maxdocs'});
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335 | close ($handle) unless $self->{'debug'};
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336 |
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337 | $self->print_stats();
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338 | }
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339 |
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340 | sub want_built {
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341 | my $self = shift (@_);
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342 | my ($index) = @_;
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343 |
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344 | if (defined ($self->{'collect_cfg'}->{'dontbuild'})) {
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345 | foreach $checkstr (@{$self->{'collect_cfg'}->{'dontbuild'}}) {
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346 | if ($index =~ /^$checkstr$/) {
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347 | push (@{$self->{'notbuilt'}}, $self->{'index_mapping'}->{$index});
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348 | return 0;
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349 | }
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350 | }
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351 | }
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352 |
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353 | return 1;
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354 | }
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355 |
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356 | sub build_indexes {
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357 | my $self = shift (@_);
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358 | my ($indexname) = @_;
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359 | my $outhandle = $self->{'outhandle'};
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360 |
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361 | my $indexes = [];
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362 | if (defined $indexname && $indexname =~ /\w/) {
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363 | push @$indexes, $indexname;
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364 | } else {
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365 | $indexes = $self->{'collect_cfg'}->{'indexes'};
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366 | }
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367 |
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368 | # create the mapping between the index descriptions
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369 | # and their directory names
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370 | $self->{'index_mapping'} = $self->create_index_mapping ($indexes);
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371 |
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372 | # build each of the indexes
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373 | foreach $index (@$indexes) {
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374 | if ($self->want_built($index)) {
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375 | print $outhandle "\n*** building index $index in subdirectory " .
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376 | "$self->{'index_mapping'}->{$index}\n" if ($self->{'verbosity'} >= 1);
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377 | $self->build_index($index);
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378 | } else {
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379 | print $outhandle "\n*** ignoring index $index\n" if ($self->{'verbosity'} >= 1);
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380 | }
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381 | }
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382 | }
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383 |
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384 | # creates directory names for each of the index descriptions
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385 | sub create_index_mapping {
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386 | my $self = shift (@_);
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387 | my ($indexes) = @_;
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388 |
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389 | my %mapping = ();
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390 | $mapping{'indexmaporder'} = [];
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391 | $mapping{'subcollectionmaporder'} = [];
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392 | $mapping{'languagemaporder'} = [];
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393 |
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394 | # dirnames is used to check for collisions. Start this off
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395 | # with the manditory directory names
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396 | my %dirnames = ('text'=>'text',
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397 | 'extra'=>'extra');
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398 | my %pnames = ('index' => '', 'subcollection' => '', 'languages' => '');
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399 |
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400 | foreach $index (@$indexes) {
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401 | my ($fields, $subcollection, $languages) = split (":", $index);
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402 |
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403 | # the directory name starts with a processed version of index fields
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404 | my ($pindex) = $self->process_field($fields);
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405 | # next comes a processed version of the index
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406 | $pindex = lc ($pindex);
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407 |
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408 | # next comes a processed version of the subcollection if there is one.
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409 | my $psub = $self->process_field ($subcollection);
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410 | $psub = lc ($psub);
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411 |
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412 | # next comes a processed version of the language if there is one.
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413 | my $plang = $self->process_field ($languages);
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414 | $plang = lc ($plang);
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415 |
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416 | my $dirname = $pindex . $psub . $plang;
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417 |
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418 | # check to be sure all index names are unique
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419 | while (defined ($dirnames{$dirname})) {
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420 | $dirname = $self->make_unique (\%pnames, $index, \$pindex, \$psub, \$plang);
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421 | }
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422 |
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423 | $mapping{$index} = $dirname;
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424 |
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425 | # store the mapping orders as well as the maps
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426 | # also put index, subcollection and language fields into the mapping thing -
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427 | # (the full index name (eg document:text:subcol:lang) is not used on
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428 | # the query page) -these are used for collectionmeta later on
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429 | if (!defined $mapping{'indexmap'}{"$fields"}) {
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430 | $mapping{'indexmap'}{"$fields"} = $pindex;
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431 | push (@{$mapping{'indexmaporder'}}, "$fields");
|
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432 | if (!defined $mapping{"$fields"}) {
|
---|
433 | $mapping{"$fields"} = $pindex;
|
---|
434 | }
|
---|
435 | }
|
---|
436 | if ($psub =~ /\w/ && !defined ($mapping{'subcollectionmap'}{$subcollection})) {
|
---|
437 | $mapping{'subcollectionmap'}{$subcollection} = $psub;
|
---|
438 | push (@{$mapping{'subcollectionmaporder'}}, $subcollection);
|
---|
439 | $mapping{$subcollection} = $psub;
|
---|
440 | }
|
---|
441 | if ($plang =~ /\w/ && !defined ($mapping{'languagemap'}{$languages})) {
|
---|
442 | $mapping{'languagemap'}{$languages} = $plang;
|
---|
443 | push (@{$mapping{'languagemaporder'}}, $language);
|
---|
444 | $mapping{$languages} = $plang;
|
---|
445 | }
|
---|
446 | $dirnames{$dirname} = $index;
|
---|
447 | $pnames{'index'}{$pindex} = "$fields";
|
---|
448 | $pnames{'subcollection'}{$psub} = $subcollection;
|
---|
449 | $pnames{'languages'}{$plang} = $languages;
|
---|
450 | }
|
---|
451 |
|
---|
452 | return \%mapping;
|
---|
453 | }
|
---|
454 |
|
---|
455 | # returns a processed version of a field.
|
---|
456 | # if the field has only one component the processed
|
---|
457 | # version will contain the first character and next consonant
|
---|
458 | # of that componant - otherwise it will contain the first
|
---|
459 | # character of the first two components
|
---|
460 | sub process_field {
|
---|
461 | my $self = shift (@_);
|
---|
462 | my ($field) = @_;
|
---|
463 |
|
---|
464 | return "" unless (defined ($field) && $field =~ /\w/);
|
---|
465 |
|
---|
466 | my @components = split /,/, $field;
|
---|
467 | if (scalar @components >= 2) {
|
---|
468 | splice (@components, 2);
|
---|
469 | map {s/^(.).*$/$1/;} @components;
|
---|
470 | return join("", @components);
|
---|
471 | } else {
|
---|
472 | my ($a, $b) = $field =~ /^(.).*?([bcdfghjklmnpqrstvwxyz])/i;
|
---|
473 | ($a, $b) = $field =~ /^(.)(.)/ unless defined $a && defined $b;
|
---|
474 | return "$a$b";
|
---|
475 | }
|
---|
476 | }
|
---|
477 |
|
---|
478 | sub make_unique {
|
---|
479 | my $self = shift (@_);
|
---|
480 | my ($namehash, $index, $indexref, $subref, $langref) = @_;
|
---|
481 | my ($fields, $subcollection, $languages) = split (":", $index);
|
---|
482 |
|
---|
483 | if ($namehash->{'index'}->{$$indexref} ne "$fields") {
|
---|
484 | $self->get_next_version ($indexref);
|
---|
485 | } elsif ($namehash->{'subcollection'}->{$$subref} ne $subcollection) {
|
---|
486 | $self->get_next_version ($subref);
|
---|
487 | } elsif ($namehash->{'languages'}->{$$langref} ne $languages) {
|
---|
488 | $self->get_next_version ($langref);
|
---|
489 | }
|
---|
490 | return "$$indexref$$subref$$langref";
|
---|
491 | }
|
---|
492 |
|
---|
493 | sub get_next_version {
|
---|
494 | my $self = shift (@_);
|
---|
495 | my ($nameref) = @_;
|
---|
496 |
|
---|
497 | if ($$nameref =~ /(\d\d)$/) {
|
---|
498 | my $num = $1; $num ++;
|
---|
499 | $$nameref =~ s/\d\d$/$num/;
|
---|
500 | } elsif ($$nameref =~ /(\d)$/) {
|
---|
501 | my $num = $1;
|
---|
502 | if ($num == 9) {$$nameref =~ s/\d\d$/10/;}
|
---|
503 | else {$num ++; $$nameref =~ s/\d$/$num/;}
|
---|
504 | } else {
|
---|
505 | $$nameref =~ s/.$/0/;
|
---|
506 | }
|
---|
507 | }
|
---|
508 |
|
---|
509 | sub build_index {
|
---|
510 | my $self = shift (@_);
|
---|
511 | my ($index) = @_;
|
---|
512 | my $outhandle = $self->{'outhandle'};
|
---|
513 |
|
---|
514 | # get the full index directory path and make sure it exists
|
---|
515 | my $indexdir = $self->{'index_mapping'}->{$index};
|
---|
516 | &util::mk_all_dir (&util::filename_cat($self->{'build_dir'}, $indexdir));
|
---|
517 | my $fullindexprefix = &util::filename_cat ($self->{'build_dir'},
|
---|
518 | $indexdir,
|
---|
519 | $self->{'collection'});
|
---|
520 | my $fulltextprefix = &util::filename_cat ($self->{'build_dir'}, "text",
|
---|
521 | $self->{'collection'});
|
---|
522 |
|
---|
523 | # get any os specific stuff
|
---|
524 | my $exedir = "$ENV{'GSDLHOME'}/bin/$ENV{'GSDLOS'}";
|
---|
525 |
|
---|
526 | my $exe = &util::get_os_exe ();
|
---|
527 | my $mgpp_passes_exe = &util::filename_cat($exedir, "mgpp_passes$exe");
|
---|
528 |
|
---|
529 | # define the section names for mgpasses
|
---|
530 | my $mgpp_passes_sections = "";
|
---|
531 | foreach $level (keys (%{$self->{'levels'}})) {
|
---|
532 | if ($level eq "Section" || $level eq "Paragraph") {
|
---|
533 | $mgpp_passes_sections .= "-K $level ";
|
---|
534 | }
|
---|
535 | }
|
---|
536 |
|
---|
537 | my $mgpp_perf_hash_build_exe =
|
---|
538 | &util::filename_cat($exedir, "mgpp_perf_hash_build$exe");
|
---|
539 | my $mgpp_weights_build_exe =
|
---|
540 | &util::filename_cat ($exedir, "mgpp_weights_build$exe");
|
---|
541 | my $mgpp_invf_dict_exe =
|
---|
542 | &util::filename_cat ($exedir, "mgpp_invf_dict$exe");
|
---|
543 | my $mgpp_stem_idx_exe =
|
---|
544 | &util::filename_cat ($exedir, "mgpp_stem_idx$exe");
|
---|
545 |
|
---|
546 | my $osextra = "";
|
---|
547 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
|
---|
548 | $fullindexprefix =~ s/\//\\/g;
|
---|
549 | } else {
|
---|
550 | $osextra = " -d /";
|
---|
551 | }
|
---|
552 |
|
---|
553 | # get the index expression if this index belongs
|
---|
554 | # to a subcollection
|
---|
555 | my $indexexparr = [];
|
---|
556 |
|
---|
557 | # there may be subcollection info, and language info.
|
---|
558 | my ($fields, $subcollection, $language) = split (":", $index);
|
---|
559 | my @subcollections = ();
|
---|
560 | @subcollections = split /,/, $subcollection if (defined $subcollection);
|
---|
561 |
|
---|
562 | foreach $subcollection (@subcollections) {
|
---|
563 | if (defined ($self->{'collect_cfg'}->{'subcollection'}->{$subcollection})) {
|
---|
564 | push (@$indexexparr, $self->{'collect_cfg'}->{'subcollection'}->{$subcollection});
|
---|
565 | }
|
---|
566 | }
|
---|
567 |
|
---|
568 | # add expressions for languages if this index belongs to
|
---|
569 | # a language subcollection - only put languages expressions for the
|
---|
570 | # ones we want in the index
|
---|
571 |
|
---|
572 | my @languages = ();
|
---|
573 | @languages = split /,/, $language if (defined $language);
|
---|
574 | foreach $language (@languages) {
|
---|
575 | my $not=0;
|
---|
576 | if ($language =~ s/^\!//) {
|
---|
577 | $not = 1;
|
---|
578 | }
|
---|
579 | foreach $lang (@{$self->{'collect_cfg'}->{'languages'}}) {
|
---|
580 | if ($lang eq $language) {
|
---|
581 | if ($not) {
|
---|
582 | push (@$indexexparr, "!Language/$language/");
|
---|
583 | } else {
|
---|
584 | push (@$indexexparr, "Language/$language/");
|
---|
585 | }
|
---|
586 | last;
|
---|
587 | }
|
---|
588 | }
|
---|
589 | }
|
---|
590 |
|
---|
591 | # Build index dictionary. Uses verbatim stem method
|
---|
592 | print $outhandle "\n creating index dictionary (mgpp_passes -I1)\n" if ($self->{'verbosity'} >= 1);
|
---|
593 | my ($handle);
|
---|
594 | if ($self->{'debug'}) {
|
---|
595 | $handle = STDOUT;
|
---|
596 | } else {
|
---|
597 | if (!-e "$mgpp_passes_exe" ||
|
---|
598 | !open (PIPEOUT, "| mgpp_passes$exe $mgpp_passes_sections -f \"$fullindexprefix\" -I1 $osextra")) {
|
---|
599 | die "mgppbuilder::build_index - couldn't run $mgpp_passes_exe\n";
|
---|
600 | }
|
---|
601 | $handle = mgppbuilder::PIPEOUT;
|
---|
602 | }
|
---|
603 |
|
---|
604 | # set up the document processor
|
---|
605 | $self->{'buildproc'}->set_output_handle ($handle);
|
---|
606 | $self->{'buildproc'}->set_mode ('text');
|
---|
607 | $self->{'buildproc'}->set_index ($index, $indexexparr);
|
---|
608 | $self->{'buildproc'}->set_indexing_text (1);
|
---|
609 | $self->{'buildproc'}->set_store_text(1);
|
---|
610 | $self->{'buildproc'}->set_indexfieldmap ($self->{'indexfieldmap'});
|
---|
611 | $self->{'buildproc'}->set_levels ($self->{'levels'});
|
---|
612 | $self->{'buildproc'}->reset();
|
---|
613 | &plugin::read ($self->{'pluginfo'}, $self->{'source_dir'},
|
---|
614 | "", {}, $self->{'buildproc'}, $self->{'maxdocs'});
|
---|
615 | close ($handle) unless $self->{'debug'};
|
---|
616 |
|
---|
617 | $self->print_stats();
|
---|
618 |
|
---|
619 | if (!$self->{'debug'}) {
|
---|
620 | # create the perfect hash function
|
---|
621 | if (!-e "$mgpp_perf_hash_build_exe") {
|
---|
622 | die "mgppbuilder::build_index - couldn't run $mgpp_perf_hash_build_exe\n";
|
---|
623 | }
|
---|
624 | system ("mgpp_perf_hash_build$exe -f \"$fullindexprefix\" $osextra");
|
---|
625 |
|
---|
626 | if (!-e "$mgpp_passes_exe" ||
|
---|
627 | !open ($handle, "| mgpp_passes$exe $mgpp_passes_sections -f \"$fullindexprefix\" -I2 $osextra")) {
|
---|
628 | die "mgppbuilder::build_index - couldn't run $mgpp_passes_exe\n";
|
---|
629 | }
|
---|
630 | }
|
---|
631 |
|
---|
632 | # invert the text
|
---|
633 | print $outhandle "\n inverting the text (mgpp_passes -I2)\n" if ($self->{'verbosity'} >= 1);
|
---|
634 |
|
---|
635 | $self->{'buildproc'}->reset();
|
---|
636 | &plugin::read ($self->{'pluginfo'}, $self->{'source_dir'},
|
---|
637 | "", {}, $self->{'buildproc'}, $self->{'maxdocs'});
|
---|
638 |
|
---|
639 | $self->print_stats ();
|
---|
640 |
|
---|
641 | if (!$self->{'debug'}) {
|
---|
642 |
|
---|
643 | close ($handle);
|
---|
644 |
|
---|
645 | # create the weights file
|
---|
646 | print $outhandle "\n create the weights file\n" if ($self->{'verbosity'} >= 1);
|
---|
647 | if (!-e "$mgpp_weights_build_exe") {
|
---|
648 | die "mgppbuilder::build_index - couldn't run $mgpp_weights_build_exe\n";
|
---|
649 | }
|
---|
650 | system ("mgpp_weights_build$exe -f \"$fullindexprefix\" $osextra");
|
---|
651 |
|
---|
652 | # create 'on-disk' stemmed dictionary
|
---|
653 | print $outhandle "\n creating 'on-disk' stemmed dictionary\n" if ($self->{'verbosity'} >= 1);
|
---|
654 | if (!-e "$mgpp_invf_dict_exe") {
|
---|
655 | die "mgppbuilder::build_index - couldn't run $mgpp_invf_dict_exe\n";
|
---|
656 | }
|
---|
657 | system ("mgpp_invf_dict$exe -f \"$fullindexprefix\" $osextra" );
|
---|
658 |
|
---|
659 |
|
---|
660 | # creates stem index files for the various stemming methods
|
---|
661 | print $outhandle "\n creating stem indexes\n" if ($self->{'verbosity'} >= 1);
|
---|
662 | if (!-e "$mgpp_stem_idx_exe") {
|
---|
663 | die "mgppbuilder::build_index - couldn't run $mgpp_stem_idx_exe\n";
|
---|
664 | }
|
---|
665 | system ("mgpp_stem_idx$exe -b 4096 -s1 -f \"$fullindexprefix\" $osextra");
|
---|
666 | system ("mgpp_stem_idx$exe -b 4096 -s2 -f \"$fullindexprefix\" $osextra");
|
---|
667 | system ("mgpp_stem_idx$exe -b 4096 -s3 -f \"$fullindexprefix\" $osextra");
|
---|
668 |
|
---|
669 |
|
---|
670 | # remove unwanted files
|
---|
671 | my $tmpdir = &util::filename_cat ($self->{'build_dir'}, $indexdir);
|
---|
672 | opendir (DIR, $tmpdir) || die
|
---|
673 | "mgppbuilder::build_index - couldn't read directory $tmpdir\n";
|
---|
674 | foreach $file (readdir(DIR)) {
|
---|
675 | next if $file =~ /^\./;
|
---|
676 | my ($suffix) = $file =~ /\.([^\.]+)$/;
|
---|
677 | if (defined $suffix && !defined $wanted_index_files{$suffix}) {
|
---|
678 | # delete it!
|
---|
679 | print $outhandle "deleting $file\n" if $self->{'verbosity'} > 2;
|
---|
680 | #&util::rm (&util::filename_cat ($tmpdir, $file));
|
---|
681 | }
|
---|
682 | }
|
---|
683 | closedir (DIR);
|
---|
684 | }
|
---|
685 | }
|
---|
686 |
|
---|
687 | sub make_infodatabase {
|
---|
688 | my $self = shift (@_);
|
---|
689 | my $outhandle = $self->{'outhandle'};
|
---|
690 |
|
---|
691 |
|
---|
692 | my $textdir = &util::filename_cat($self->{'build_dir'}, "text");
|
---|
693 | my $assocdir = &util::filename_cat($self->{'build_dir'}, "assoc");
|
---|
694 | &util::mk_all_dir ($textdir);
|
---|
695 | &util::mk_all_dir ($assocdir);
|
---|
696 |
|
---|
697 | # get db name
|
---|
698 | my $dbext = ".bdb";
|
---|
699 | $dbext = ".ldb" if &util::is_little_endian();
|
---|
700 | my $fulldbname = &util::filename_cat ($textdir, "$self->{'collection'}$dbext");
|
---|
701 | $fulldbname =~ s/\//\\/g if ($ENV{'GSDLOS'} =~ /^windows$/i);
|
---|
702 |
|
---|
703 | my $exedir = "$ENV{'GSDLHOME'}/bin/$ENV{'GSDLOS'}";
|
---|
704 | my $exe = &util::get_os_exe ();
|
---|
705 | my $txt2db_exe = &util::filename_cat($exedir, "txt2db$exe");
|
---|
706 |
|
---|
707 | # define the indexed field mapping if not already done so (ie if infodb called separately from build_index)
|
---|
708 | if (scalar(keys %{$self->{'buildproc'}->{'indexfieldmap'}}) == 0) {
|
---|
709 | #check build.cfg to see if indexfields have been filled in
|
---|
710 | $buildconfigfile = &util::filename_cat($ENV{'GSDLCOLLECTDIR'}, "building/build.cfg");
|
---|
711 | if (-e $buildconfigfile) {
|
---|
712 | $buildcfg = &colcfg::read_build_cfg( $buildconfigfile);
|
---|
713 | if (defined $buildcfg->{'indexfields'}) {
|
---|
714 | foreach $field (@{$buildcfg->{'indexfields'}}) {
|
---|
715 | $self->{'buildproc'}->{'indexfields'}->{$field} = 1;
|
---|
716 | }
|
---|
717 | }
|
---|
718 | if (defined $buildcfg->{'indexfieldmap'}) {
|
---|
719 | foreach $field (@{$buildcfg->{'indexfieldmap'}}) {
|
---|
720 | ($f, $v) = $field =~ /^(.*)\-\>(.*)$/;
|
---|
721 | $self->{'buildproc'}->{'indexfieldmap'}->{$f} = $v;
|
---|
722 | }
|
---|
723 | }
|
---|
724 | }
|
---|
725 | }
|
---|
726 |
|
---|
727 | print $outhandle "\n*** creating the info database and processing associated files\n"
|
---|
728 | if ($self->{'verbosity'} >= 1);
|
---|
729 |
|
---|
730 | # init all the classifiers
|
---|
731 | &classify::init_classifiers ($self->{'classifiers'});
|
---|
732 |
|
---|
733 | # set up the document processor
|
---|
734 | my ($handle);
|
---|
735 | if ($self->{'debug'}) {
|
---|
736 | $handle = STDOUT;
|
---|
737 | } else {
|
---|
738 | if (!-e "$txt2db_exe" || !open (PIPEOUT, "| $txt2db_exe $fulldbname")) {
|
---|
739 | die "mgppbuilder::make_infodatabase - couldn't run $txt2db_exe\n";
|
---|
740 | }
|
---|
741 | $handle = mgppbuilder::PIPEOUT;
|
---|
742 | }
|
---|
743 |
|
---|
744 | $self->{'buildproc'}->set_output_handle ($handle);
|
---|
745 | $self->{'buildproc'}->set_mode ('infodb');
|
---|
746 | $self->{'buildproc'}->set_assocdir ($assocdir);
|
---|
747 | $self->{'buildproc'}->set_dontgdbm ($self->{'dontgdbm'});
|
---|
748 | $self->{'buildproc'}->set_classifiers ($self->{'classifiers'});
|
---|
749 | $self->{'buildproc'}->set_indexing_text (0);
|
---|
750 | $self->{'buildproc'}->set_store_text(1);
|
---|
751 | #$self->{'buildproc'}->set_indexfieldmap ($self->{'indexfieldmap'});
|
---|
752 |
|
---|
753 | $self->{'buildproc'}->reset();
|
---|
754 |
|
---|
755 | if (defined $self->{'collect_cfg'}->{'collectionmeta'}) {
|
---|
756 |
|
---|
757 | if (!defined $self->{'index_mapping'}) {
|
---|
758 | $self->{'index_mapping'} =
|
---|
759 | $self->create_index_mapping ($self->{'collect_cfg'}->{'indexes'});
|
---|
760 | }
|
---|
761 |
|
---|
762 | print $handle "[collection]\n";
|
---|
763 |
|
---|
764 | foreach $cmeta (keys (%{$self->{'collect_cfg'}->{'collectionmeta'}})) {
|
---|
765 | my $defaultfound=0;
|
---|
766 | my $first=1;
|
---|
767 | my $metadata_entry = "";
|
---|
768 | my $default="";
|
---|
769 | my $cmetamap = "";
|
---|
770 | if ($cmeta =~ s/^\.//) {
|
---|
771 | if (defined $self->{'index_mapping'}->{$cmeta}) {
|
---|
772 | $cmetamap = $self->{'index_mapping'}->{$cmeta};
|
---|
773 | $cmeta = ".$cmeta";
|
---|
774 | }
|
---|
775 | else {
|
---|
776 | print $outhandle "mgbuilder: warning bad collectionmeta option '$cmeta' - ignored\n";
|
---|
777 | next; #ignore this one
|
---|
778 | }
|
---|
779 | }
|
---|
780 | else {
|
---|
781 | $cmetamap = $cmeta; # just using the same name
|
---|
782 | }
|
---|
783 | #iterate through the languages
|
---|
784 | foreach $lang (keys (%{$self->{'collect_cfg'}->{'collectionmeta'}->{$cmeta}})) {
|
---|
785 | if ($first) {
|
---|
786 | $first=0;
|
---|
787 | #set the default default to the first entry
|
---|
788 | $default=$self->{'collect_cfg'}->{'collectionmeta'}->{$cmeta}->{$lang};
|
---|
789 | }
|
---|
790 | if ($lang =~ /default/) {
|
---|
791 | $defaultfound=1;
|
---|
792 | #the default entry goes first
|
---|
793 | $metadata_entry = "<$cmetamap>" .
|
---|
794 | $self->{'collect_cfg'}->{'collectionmeta'}->{$cmeta}->{'default'} . "\n" . $metadata_entry;
|
---|
795 | }
|
---|
796 | else {
|
---|
797 | my ($l) = $lang =~ /^\[l=(\w*)\]$/;
|
---|
798 | if ($l) {
|
---|
799 | $metadata_entry .= "<$cmetamap:$l>" .
|
---|
800 | $self->{'collect_cfg'}->{'collectionmeta'}->{$cmeta}->{$lang} . "\n";
|
---|
801 | }
|
---|
802 | }
|
---|
803 | }
|
---|
804 | #if we haven't found a default, put one in
|
---|
805 | if (!$defaultfound) {
|
---|
806 | $metadata_entry = "<$cmetamap>$default\n" . $metadata_entry;
|
---|
807 | }
|
---|
808 | #write the entry to the file
|
---|
809 | print $handle $metadata_entry;
|
---|
810 |
|
---|
811 | }
|
---|
812 |
|
---|
813 | print $handle "\n" . ('-' x 70) . "\n";
|
---|
814 |
|
---|
815 | }
|
---|
816 |
|
---|
817 | &plugin::read ($self->{'pluginfo'}, $self->{'source_dir'},
|
---|
818 | "", {}, $self->{'buildproc'}, $self->{'maxdocs'});
|
---|
819 |
|
---|
820 | # output classification information
|
---|
821 | &classify::output_classify_info ($self->{'classifiers'}, $handle,
|
---|
822 | $self->{'allclassifications'});
|
---|
823 |
|
---|
824 | #output doclist
|
---|
825 | my @doclist = $self->{'buildproc'}->get_doc_list();
|
---|
826 | my $docs = join (";",@doclist);
|
---|
827 | print $handle "[browselist]\n";
|
---|
828 | print $handle "<hastxt>0\n";
|
---|
829 | print $handle "<childtype>VList\n";
|
---|
830 | print $handle "<numleafdocs>" . ($#doclist+1) . "\n";
|
---|
831 | print $handle "<thistype>Invisible\n";
|
---|
832 | print $handle "<contains>$docs";
|
---|
833 | print $handle "\n" . ('-' x 70) . "\n";
|
---|
834 | close ($handle) if !$self->{'debug'};
|
---|
835 |
|
---|
836 | }
|
---|
837 |
|
---|
838 | sub collect_specific {
|
---|
839 | my $self = shift (@_);
|
---|
840 | }
|
---|
841 |
|
---|
842 | sub make_auxiliary_files {
|
---|
843 | my $self = shift (@_);
|
---|
844 | my ($index);
|
---|
845 | my %build_cfg = ();
|
---|
846 |
|
---|
847 | my $outhandle = $self->{'outhandle'};
|
---|
848 | print $outhandle "\n*** creating auxiliary files \n" if ($self->{'verbosity'} >= 1);
|
---|
849 |
|
---|
850 | # get the text directory
|
---|
851 | &util::mk_all_dir ($self->{'build_dir'});
|
---|
852 |
|
---|
853 | # store the build date
|
---|
854 | $build_cfg->{'builddate'} = time;
|
---|
855 | $build_cfg->{'buildtype'} = "mgpp";
|
---|
856 |
|
---|
857 | # store the number of documents and number of bytes
|
---|
858 | $build_cfg->{'numdocs'} = $self->{'buildproc'}->get_num_docs();
|
---|
859 | $build_cfg->{'numbytes'} = $self->{'buildproc'}->get_num_bytes();
|
---|
860 |
|
---|
861 | # store the mapping between the index names and the directory names
|
---|
862 | my @indexmap = ();
|
---|
863 | foreach $index (@{$self->{'index_mapping'}->{'indexmaporder'}}) {
|
---|
864 | push (@indexmap, "$index\-\>$self->{'index_mapping'}->{'indexmap'}->{$index}");
|
---|
865 | }
|
---|
866 | $build_cfg->{'indexmap'} = \@indexmap;
|
---|
867 |
|
---|
868 | my @subcollectionmap = ();
|
---|
869 | foreach $subcollection (@{$self->{'index_mapping'}->{'subcollectionmaporder'}}) {
|
---|
870 | push (@subcollectionmap, "$subcollection\-\>" .
|
---|
871 | $self->{'index_mapping'}->{'subcollectionmap'}->{$subcollection});
|
---|
872 | }
|
---|
873 | $build_cfg->{'subcollectionmap'} = \@subcollectionmap if scalar (@subcollectionmap);
|
---|
874 |
|
---|
875 | my @languagemap = ();
|
---|
876 | foreach $language (@{$self->{'index_mapping'}->{'languagemaporder'}}) {
|
---|
877 | push (@languagemap, "$language\-\>" .
|
---|
878 | $self->{'index_mapping'}->{'languagemap'}->{$language});
|
---|
879 | }
|
---|
880 | $build_cfg->{'languagemap'} = \@languagemap if scalar (@languagemap);
|
---|
881 |
|
---|
882 | $build_cfg->{'notbuilt'} = $self->{'notbuilt'};
|
---|
883 |
|
---|
884 | # store the indexfieldmap information
|
---|
885 | my @indexfieldmap = ();
|
---|
886 | #add all fields bit
|
---|
887 | foreach $field (keys %{$self->{'buildproc'}->{'indexfields'}}) {
|
---|
888 | push (@indexfieldmap, "$field\-\>$self->{'buildproc'}->{'indexfieldmap'}->{$field}");
|
---|
889 | }
|
---|
890 |
|
---|
891 | $build_cfg->{'indexfieldmap'} = \@indexfieldmap;
|
---|
892 |
|
---|
893 | #store the indexed field information
|
---|
894 | foreach $field (sort keys %{$self->{'buildproc'}->{'indexfields'}}) {
|
---|
895 |
|
---|
896 | push (@{$build_cfg->{'indexfields'}}, $field);
|
---|
897 | }
|
---|
898 | # write out the build information
|
---|
899 | &cfgread::write_cfg_file("$self->{'build_dir'}/build.cfg", $build_cfg,
|
---|
900 | '^(builddate|buildtype|numdocs|numbytes)$',
|
---|
901 | '^(indexmap|subcollectionmap|languagemap|indexfieldmap|notbuilt|indexfields)$');
|
---|
902 |
|
---|
903 | }
|
---|
904 |
|
---|
905 | sub deinit {
|
---|
906 | my $self = shift (@_);
|
---|
907 | }
|
---|
908 |
|
---|
909 | sub print_stats {
|
---|
910 | my $self = shift (@_);
|
---|
911 |
|
---|
912 | my $outhandle = $self->{'outhandle'};
|
---|
913 | my $indexing_text = $self->{'buildproc'}->get_indexing_text();
|
---|
914 | my $index = $self->{'buildproc'}->get_index();
|
---|
915 | my $num_bytes = $self->{'buildproc'}->get_num_bytes();
|
---|
916 | my $num_processed_bytes = $self->{'buildproc'}->get_num_processed_bytes();
|
---|
917 |
|
---|
918 | if ($indexing_text) {
|
---|
919 | print $outhandle "Stats (Creating index $index)\n";
|
---|
920 | } else {
|
---|
921 | print $outhandle "Stats (Compressing text from $index)\n";
|
---|
922 | }
|
---|
923 | print $outhandle "Total bytes in collection: $num_bytes\n";
|
---|
924 | print $outhandle "Total bytes in $index: $num_processed_bytes\n";
|
---|
925 |
|
---|
926 | if ($num_processed_bytes < 50 && ($indexing_text || !$self->{'no_text'})) {
|
---|
927 | print $outhandle "***************\n";
|
---|
928 | if ($indexing_text) {
|
---|
929 | print $outhandle "WARNING: There is very little or no text to process for $index\n";
|
---|
930 | } elsif (!$self->{'no_text'}) {
|
---|
931 | print $outhandle "WARNING: There is very little or no text to compress\n";
|
---|
932 | }
|
---|
933 | print $outhandle " Was this your intention?\n";
|
---|
934 | print $outhandle "***************\n";
|
---|
935 | }
|
---|
936 |
|
---|
937 | }
|
---|
938 |
|
---|
939 | 1;
|
---|
940 |
|
---|
941 |
|
---|