| 1 | #!/usr/bin/perl -w
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| 2 |
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| 3 | ###########################################################################
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| 4 | #
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| 5 | # unbuildv1.pl --
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| 6 | # A component of the Greenstone digital library software
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| 7 | # from the New Zealand Digital Library Project at the
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| 8 | # University of Waikato, New Zealand.
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| 9 | #
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| 10 | # Copyright (C) 1999 New Zealand Digital Library Project
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| 11 | #
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| 12 | # This program is free software; you can redistribute it and/or modify
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| 13 | # it under the terms of the GNU General Public License as published by
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| 14 | # the Free Software Foundation; either version 2 of the License, or
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| 15 | # (at your option) any later version.
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| 16 | #
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| 17 | # This program is distributed in the hope that it will be useful,
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| 18 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 20 | # GNU General Public License for more details.
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| 21 | #
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| 22 | # You should have received a copy of the GNU General Public License
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| 23 | # along with this program; if not, write to the Free Software
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| 24 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 25 | #
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| 26 | ###########################################################################
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| 27 |
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| 28 | # this program will decompress all the text from a built index
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| 29 | # and return it to gml format - this version of the program is designed to
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| 30 | # work on collections built with the first version of the greenstone software
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| 31 | # it extracts the browse classifications from the gdbm file, and recreates
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| 32 | # them. It also creates a default collect.cfg file.
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| 33 |
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| 34 | # To run, this program needs the old archive directory (called archives),
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| 35 | # the index directory with the text and one other index, not paragraphs!! -
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| 36 | # use one of the section indexes. Also needs the build.cfg file (in the
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| 37 | # index dir) - used in creating a collect.cfg file. If build.cfg is not
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| 38 | # present, the parts of the collect.cfg file relating to indexes will not
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| 39 | # be entered.
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| 40 |
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| 41 | # Stefan altered this script slightly August 2002 to use
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| 42 | # $GSDLHOME/bin/$GSDLOS/mgquery_old instead of the old mgquery in
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| 43 | # nzdl-1.2. mgquery_old is a statically linked binary compiled from
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| 44 | # mg-1.3d. It was compiled with SHORT_SUFFIX set so doesn't need the index
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| 45 | # file extensions to be altered.
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| 46 | # Also changed the command line options a little.
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| 47 |
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| 48 | BEGIN {
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| 49 | die "GSDLHOME not set\n" unless defined $ENV{'GSDLHOME'};
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| 50 | die "GSDLOS not set\n" unless defined $ENV{'GSDLOS'};
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| 51 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib");
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| 52 | $FileHandle = 'FH000';
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| 53 | }
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| 54 |
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| 55 | use doc;
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| 56 | use util;
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| 57 | use parsargv;
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| 58 | use FileHandle;
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| 59 | use English;
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| 60 | use cfgread;
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| 61 | use unicode;
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| 62 | use plugout;
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| 63 | select STDERR; $| = 1;
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| 64 | select STDOUT; $| = 1;
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| 65 |
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| 66 |
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| 67 | # globals
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| 68 | $collection = ""; # the collection name
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| 69 | $index = ""; # the selected index (like stt/unu)
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| 70 | $textdir = ""; # the textdir (like text/unu)
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| 71 | $toplevelinfo = []; #list of document OIDs
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| 72 | %infodb = (); #hash into GDBM file
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| 73 | $classifyinfo = []; # list of classifications
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| 74 | $doc_classif_info = {}; # hash of OIDs->classifications they belong to
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| 75 | $collect_cfg = {}; #data for the configuration file
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| 76 | $mgread = ++$FileHandle;
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| 77 | $mgwrite = ++$FileHandle;
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| 78 |
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| 79 | sub print_usage {
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| 80 | print STDERR "\n usage: $0 [options]\n\n";
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| 81 | print STDERR " options:\n";
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| 82 | print STDERR " -verbosity number 0=none, 3=lots\n";
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| 83 | print STDERR " -old directory The directory in which the old collection lives\n";
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| 84 | print STDERR " -new directory The directory in which to put the new collection\n";
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| 85 | }
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| 86 |
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| 87 | &main ();
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| 88 |
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| 89 | sub main {
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| 90 | if (!parsargv::parse(\@ARGV,
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| 91 | 'verbosity/\d+/2', \$verbosity,
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| 92 | 'old/.*/', \$old,
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| 93 | 'new/.*/', \$new)) {
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| 94 | &print_usage();
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| 95 | die "\n";
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| 96 | }
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| 97 |
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| 98 | die "$old does not exist\n\n" unless (-d $old);
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| 99 | my $old_indexdir = &util::filename_cat($old, "index");
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| 100 | my $old_archivedir = &util::filename_cat($old, "archives");
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| 101 |
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| 102 | my $new_archivedir = &util::filename_cat($new, "archives");
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| 103 | my $new_etcdir = &util::filename_cat($new, "etc");
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| 104 | if (!-e $new_archivedir) {
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| 105 | &util::mk_all_dir($new_archivedir);
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| 106 | }
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| 107 | if (!(-d $new_etcdir)) {
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| 108 | &util::mk_all_dir($new_etcdir);
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| 109 | }
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| 110 |
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| 111 | my $gdbmfile = &get_gdbmfile($old_indexdir); # sets $collection and $textdir
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| 112 | &set_index($old_indexdir); # sets $index (just chooses one index)
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| 113 |
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| 114 | my $buildcfgfile = &util::filename_cat($old_indexdir, "build.cfg");
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| 115 | my $colcfgfile = &util::filename_cat($new_etcdir, "collect.cfg");
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| 116 |
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| 117 | # don't need this but giving it a value stops an annoying undefined
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| 118 | # value warning
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| 119 | $ENV{'GSDLCOLLECTDIR'} = 'tmp';
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| 120 |
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| 121 | &add_default_cfg();
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| 122 | &add_index_cfg($buildcfgfile);
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| 123 |
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| 124 | # work out all the classifications from the gdbm file, info for each doc
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| 125 | # (ie which classifications they belong to, are kept in $doc_classif_info
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| 126 | &get_classifyinfo($gdbmfile); #puts a list of classifications into classifyinfo
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| 127 | &get_toplevel_OID($gdbmfile); # puts a list of the top level document OIDs into $toplevelinfo
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| 128 |
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| 129 | # read ldb file into %infodb
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| 130 | &read_gdbm($gdbmfile);
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| 131 |
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| 132 | #this makes the files specifying the hierarchy of subjects, titles etc
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| 133 | foreach my $classify (@$classifyinfo) {
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| 134 | &make_info_file($new_etcdir, $classify);
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| 135 | }
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| 136 |
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| 137 | # write out the collect.cfg
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| 138 | &output_cfg_file($colcfgfile);
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| 139 |
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| 140 | &openmg($old_indexdir);
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| 141 |
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| 142 | # read the archive information file
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| 143 | my $archive_info_filename = &util::filename_cat ($new_archivedir, "archives.inf");
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| 144 | my $archive_info = new arcinfo ();
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| 145 |
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| 146 | my $opts = [];
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| 147 | push @$opts,("-output_info",$archive_info);
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| 148 |
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| 149 | $processor = &plugout::load_plugout("GreenstoneXMLPlugout",$opts);
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| 150 | $processor->setoutputdir ($new_archivedir);
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| 151 |
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| 152 | my ($doc_obj, $hashref, $children);
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| 153 | print STDERR "processing documents now\n" if $verbosity >=2;
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| 154 | foreach $oid (@$toplevelinfo) {
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| 155 | $value = $infodb{$oid};
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| 156 | $hashref={};
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| 157 | $children = [];
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| 158 | &get_metadata($value, $hashref);
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| 159 | $doc_obj = new doc ();
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| 160 | $doc_obj->set_OID($oid);
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| 161 | my ($olddir) = $hashref->{'archivedir'}; # old dir for this doc, where images are stored
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| 162 | $top = $doc_obj->get_top_section();
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| 163 | &add_section_content ($doc_obj, $top, $hashref, $olddir);
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| 164 | &add_classification_metadata($oid, $doc_obj, $top);
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| 165 | &add_cover_image($doc_obj, $old_archivedir, $olddir);
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| 166 | &get_children($hashref, $children);
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| 167 | &recurse_sections($doc_obj, $children, $oid, $top, $olddir) if (defined ($children));
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| 168 |
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| 169 | #change OID to new format
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| 170 | $doc_obj->delete_OID();
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| 171 | $doc_obj->set_OID();
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| 172 | $processor->process($doc_obj);
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| 173 | # last;
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| 174 | }
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| 175 | print STDERR "\n";
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| 176 |
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| 177 | &closemg();
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| 178 |
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| 179 | # write out the archive information file
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| 180 | $archive_info->save_info($archive_info_filename);
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| 181 |
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| 182 |
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| 183 | }
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| 184 |
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| 185 | # returns the path to the gdbm info database - also
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| 186 | # sets the $collection and $textdir global variable
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| 187 | sub get_gdbmfile {
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| 188 | my ($indexdir) = @_;
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| 189 | my ($gdbmfile);
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| 190 |
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| 191 | opendir (DIR, $indexdir) || die "Couldn't open directory $indexdir\n\n";
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| 192 | my @conts = readdir DIR;
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| 193 | close DIR;
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| 194 |
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| 195 | foreach $file (@conts) {
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| 196 | if ($file =~ /text$/) {
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| 197 | $textdir = $file;
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| 198 | last;
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| 199 | }
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| 200 | }
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| 201 | die "No text directory found in $indexdir\n\n"
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| 202 | unless defined $textdir && $textdir =~ /text$/;
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| 203 |
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| 204 | $gdbmfile = &util::filename_cat ($indexdir, $textdir);
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| 205 |
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| 206 | opendir (DIR, $gdbmfile) || die "Couldn't open directory $gdbmfile\n\n";
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| 207 | @conts = readdir DIR;
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| 208 | close DIR;
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| 209 |
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| 210 | foreach my $file (@conts) {
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| 211 | if ($file =~ /^(.*?)\.(?:ldb|bdb)$/) {
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| 212 | $collection = $1;
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| 213 | $gdbmfile = &util::filename_cat ($gdbmfile, $file);
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| 214 | last;
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| 215 | }
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| 216 | }
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| 217 |
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| 218 | if (defined $collection && $collection =~ /\w/) {
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| 219 | $textdir = &util::filename_cat ($textdir, $collection);
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| 220 | } else {
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| 221 | die "collection global wasn't set\n";
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| 222 | }
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| 223 | return $gdbmfile if (-e $gdbmfile);
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| 224 | die "Couldn't find gdbm info database in $indexdir\n\n";
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| 225 | }
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| 226 |
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| 227 |
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| 228 | #this function will probably need to be changed for any different file formats
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| 229 | sub get_toplevel_OID {
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| 230 | my ($gdbmfile) = @_;
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| 231 |
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| 232 | open (DB2TXT, "db2txt $gdbmfile |") || die "couldn't open pipe to db2txt\n";
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| 233 | print STDERR "Finding all top level sections from $gdbmfile\n" if $verbosity >= 2;
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| 234 |
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| 235 | $/ = '-' x 70;
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| 236 | my $entry = "";
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| 237 | while (defined ($entry = <DB2TXT>)) {
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| 238 | next unless $entry =~ /\w/; #ignore blank entries
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| 239 | $entry =~ s/\n+/\\n/g; # replace multiple \n with single \n
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| 240 | my ($key, $value) = $entry =~ /\[([^\]]*)\](.*)/;
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| 241 |
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| 242 | next unless ($key =~ /B\.\d*$/); # assumes top level OID is like
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| 243 | # B.12
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| 244 |
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| 245 | push( @$toplevelinfo, $key);
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| 246 |
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| 247 | }
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| 248 |
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| 249 | $/ = "\n";
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| 250 | }
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| 251 |
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| 252 | # gets all the metadata from a gdbm file entry, and puts it into a hashref
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| 253 | #this has changed for old style formats
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| 254 | sub get_metadata {
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| 255 |
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| 256 | my ($gdb_str_ref, $hashref) = @_;
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| 257 | # print STDERR $gdb_str_ref;
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| 258 | my @entries = split(/\n/, $gdb_str_ref);
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| 259 |
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| 260 | my $hastext = 1;
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| 261 | foreach $entry (@entries) {
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| 262 |
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| 263 | my($key, $value) = ($entry =~ /^<([^>]*)>(.*?)$/ );
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| 264 |
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| 265 | next if ($key eq "p");
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| 266 | next if ($key eq "j");
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| 267 |
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| 268 | $key = "Title" if $key eq "t";
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| 269 | $key = "docnum" if $key eq "d";
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| 270 | if ($key eq "o") {
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| 271 | $key = "archivedir";
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| 272 | $value =~ s/HASH/hash/;
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| 273 | }
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| 274 | if ($key eq "c") {
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| 275 | $key = "contains";
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| 276 | $hastext=0;}
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| 277 |
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| 278 | $$hashref{$key} .= $value;
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| 279 |
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| 280 | }
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| 281 |
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| 282 | $$hashref{'hastxt'} = $hastext;
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| 283 |
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| 284 | }
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| 285 |
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| 286 | # takes a hashref containing the metadata for a gdbmfile entry, and
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| 287 | # extracts the childrens numbers (from the 'contains' entry). assumes
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| 288 | # format is like B.14.1:B.24.2:B.24.3 returns a list like 1 2 3 4
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| 289 | sub get_children {
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| 290 | my ($hashref, $children) = @_;
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| 291 |
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| 292 | my $childs = $hashref->{'contains'};
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| 293 | if (defined ($childs)) {
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| 294 | @xchildren = split /\:/, $childs;
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| 295 | foreach $kid (@xchildren) {
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| 296 | my ($child)= $kid =~ /\.([^\.]*)(?:\\n|$)/;
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| 297 | push (@$children, $child);
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| 298 | }
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| 299 | # print STDERR "children are: ", @$children;
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| 300 | }
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| 301 | else {
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| 302 | $children = [];
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| 303 | }
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| 304 | }
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| 305 |
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| 306 | #takes a hashref containing the metadata for a gdbmfile entry, and extracts
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| 307 | #the childrens numbers (from the 'contains' entry).
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| 308 | #assumes format is like B.14.1:B.24.2:B.24.3
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| 309 | #returns a list with the full child name ie B.14.1 B.14.2 etc
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| 310 | #used for classification stuff
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| 311 | sub get_whole_children {
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| 312 |
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| 313 | my ($hashref, $children) = @_;
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| 314 |
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| 315 | my $childs = $hashref->{'contains'};
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| 316 | if (defined ($childs)) {
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| 317 | @$children = split /\:/, $childs;
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| 318 | #print STDERR "children are: ", @$children;
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| 319 | }
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| 320 | else {
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| 321 | $children = [];
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| 322 | }
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| 323 | }
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| 324 |
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| 325 | sub recurse_sections {
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| 326 | my ($doc_obj, $children, $parentoid, $parentsection, $olddir) = @_;
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| 327 |
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| 328 | foreach $child (sort numerically @$children) {
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| 329 | $doc_obj->create_named_section("$parentsection.$child");
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| 330 | my $value = $infodb{"$parentoid.$child"};
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| 331 | my $hashref={};
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| 332 | &get_metadata($value, $hashref); # get childs metadata
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| 333 | my $newchildren = [];
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| 334 | &get_children($hashref, $newchildren); # get childs children
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| 335 | #add content fo rcurrent section
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| 336 | &add_section_content($doc_obj, "$parentsection.$child", $hashref, $olddir);
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| 337 | # process all the children if there are any
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| 338 | &recurse_sections($doc_obj, $newchildren, "$parentoid.$child", "$parentsection.$child", $olddir)
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| 339 | if (defined ($newchildren));
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| 340 | }
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| 341 | }
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| 342 |
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| 343 | sub add_section_content {
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| 344 | my ($doc_obj, $cursection, $hashref, $olddir) = @_;
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| 345 |
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| 346 | foreach $key (keys %$hashref) {
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| 347 | #dont need to store these metadata
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| 348 | next if $key =~ /(contains|docnum|hastxt|doctype|archivedir|classifytype)/i;
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| 349 | my @items = split /@/, $hashref->{$key};
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| 350 | map {$doc_obj->add_metadata ($cursection, $key, $_); } @items;
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| 351 |
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| 352 | }
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| 353 |
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| 354 | my ($hastext) = $hashref->{'hastxt'} =~ /(0|1)/;
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| 355 | if ($hastext) {
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| 356 |
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| 357 | my ($docnum)= $hashref->{'docnum'} =~ /(\d*)/;
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| 358 | my $text = &get_text($docnum);
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| 359 | $doc_obj->add_text ($cursection, $text);
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| 360 |
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| 361 | my (@images) = $text =~ /<img.*?src=\"([^\"]*)\"[^>]*>/g;
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| 362 |
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| 363 | if (scalar(@images)>0) {
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| 364 |
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| 365 | foreach $img (@images) {
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| 366 | my ($assoc_file) = $img =~ /([^\/\\]*\..*)$/; #the name of the image
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| 367 | $img =~ s/_httpcollection_/$old/; #replace _httpcollection_ with path to old collection
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| 368 | $olddir =~ s/HASH/hash/;
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| 369 | $img =~ s/_thisOID_/$olddir/; #replace _thisOID_ with old archivedir name #the path to the image
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| 370 | $img = lc $img; # doc names and path upper case in file, lower
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| 371 | # case in directory
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| 372 | if (-e $img) {
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| 373 | $doc_obj->associate_file($img, $assoc_file);
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| 374 | } else {
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| 375 | print STDERR "WARNING: $img does not exist\n";
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| 376 | }
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| 377 | }
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| 378 |
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| 379 | }
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| 380 | }
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| 381 | }
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| 382 |
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| 383 |
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| 384 | sub add_classification_metadata {
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| 385 |
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| 386 | my ($oid, $doc_obj, $cursection) = @_;
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| 387 |
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| 388 | if (defined $doc_classif_info->{$oid}) {
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| 389 |
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|---|
| 390 | $hashref = $doc_classif_info->{$oid};
|
|---|
| 391 |
|
|---|
| 392 | foreach $key (keys %$hashref) {
|
|---|
| 393 | my @items = @{$hashref->{$key}};
|
|---|
| 394 | map {$doc_obj->add_metadata ($cursection, $key, $_); } @items;
|
|---|
| 395 | }
|
|---|
| 396 | }
|
|---|
| 397 | }
|
|---|
| 398 | # picks up the cover image "cover.jpg" from the old archives directory.
|
|---|
| 399 | sub add_cover_image {
|
|---|
| 400 | my ($doc_obj, $archivedir, $olddir) = @_;
|
|---|
| 401 | $assoc_file = "cover.jpg";
|
|---|
| 402 | $img = &util::filename_cat($archivedir, $olddir, $assoc_file);
|
|---|
| 403 |
|
|---|
| 404 | if (-e $img) {
|
|---|
| 405 | $doc_obj->associate_file($img, $assoc_file);
|
|---|
| 406 | } else {
|
|---|
| 407 | print STDERR "WARNING: couldn't find $img\n";
|
|---|
| 408 | }
|
|---|
| 409 | }
|
|---|
| 410 |
|
|---|
| 411 | sub set_index {
|
|---|
| 412 | my ($indexdir) = @_;
|
|---|
| 413 |
|
|---|
| 414 | # check that $collection has been set
|
|---|
| 415 | die "collection global was not set\n"
|
|---|
| 416 | unless defined $collection && $collection =~ /\w/;
|
|---|
| 417 |
|
|---|
| 418 | # find an index (just use first non-text and non-paragraph directory we
|
|---|
| 419 | # come across in $indexdir)
|
|---|
| 420 | opendir (INDEXDIR, $indexdir) || die "couldn't open directory $indexdir\n";
|
|---|
| 421 | my @indexes = readdir INDEXDIR;
|
|---|
| 422 | close INDEXDIR;
|
|---|
| 423 | foreach $i (@indexes) {
|
|---|
| 424 | next if $i =~ /text$/i || $i =~ /\./ || $i =~ /^p/i;
|
|---|
| 425 | $index = &util::filename_cat ($i, $collection);
|
|---|
| 426 | last;
|
|---|
| 427 | }
|
|---|
| 428 | }
|
|---|
| 429 |
|
|---|
| 430 |
|
|---|
| 431 | #########################################################################
|
|---|
| 432 |
|
|---|
| 433 | ################ functions involving mg ################################
|
|---|
| 434 | sub get_text {
|
|---|
| 435 | my ($docnum) = @_;
|
|---|
| 436 |
|
|---|
| 437 | print STDERR "." if $verbosity >= 2;
|
|---|
| 438 | &mgcommand ($docnum);
|
|---|
| 439 |
|
|---|
| 440 | <$mgread>; # eat the document separator
|
|---|
| 441 |
|
|---|
| 442 | my $text = "";
|
|---|
| 443 | my $line = "";
|
|---|
| 444 |
|
|---|
| 445 | while (defined ($line = <$mgread>))
|
|---|
| 446 | {
|
|---|
| 447 | last if $line =~ /^<\/mg>/;
|
|---|
| 448 | $text .= $line;
|
|---|
| 449 | }
|
|---|
| 450 |
|
|---|
| 451 | # Read in the last statement, which should be:
|
|---|
| 452 | # "dd documents retrieved."
|
|---|
| 453 | <$mgread>;
|
|---|
| 454 |
|
|---|
| 455 | return $text;
|
|---|
| 456 | }
|
|---|
| 457 |
|
|---|
| 458 |
|
|---|
| 459 | sub numerically {$a <=> $b;}
|
|---|
| 460 |
|
|---|
| 461 |
|
|---|
| 462 |
|
|---|
| 463 | # mg stuff
|
|---|
| 464 |
|
|---|
| 465 | sub openmg {
|
|---|
| 466 | my ($indexdir) = @_;
|
|---|
| 467 |
|
|---|
| 468 | die "Unable to start mgquery." unless
|
|---|
| 469 | &openpipe($mgread, $mgwrite, "mgquery_old -d $indexdir -f $index -t $textdir");
|
|---|
| 470 |
|
|---|
| 471 | $mgwrite->autoflush();
|
|---|
| 472 | &mgcommand('.set expert true');
|
|---|
| 473 | &mgcommand('.set terminator "</mg>\n"');
|
|---|
| 474 | &mgcommand('.set mode text');
|
|---|
| 475 | &mgcommand('.set query docnums');
|
|---|
| 476 | &mgcommand('.set term_freq off');
|
|---|
| 477 | }
|
|---|
| 478 |
|
|---|
| 479 | sub closemg {
|
|---|
| 480 | &mgcommand (".quit");
|
|---|
| 481 | close($mgread);
|
|---|
| 482 | close($mgwrite);
|
|---|
| 483 | }
|
|---|
| 484 |
|
|---|
| 485 | sub mgcommand {
|
|---|
| 486 | my ($command) = @_;
|
|---|
| 487 |
|
|---|
| 488 | return if $command =~ /^\s*$/; #whitespace
|
|---|
| 489 | #print STDERR "command: $command\n";
|
|---|
| 490 | print $mgwrite "$command\n";
|
|---|
| 491 |
|
|---|
| 492 | # eat up the command executed which is echoed
|
|---|
| 493 | <$mgread>;
|
|---|
| 494 | }
|
|---|
| 495 |
|
|---|
| 496 | # openpipe(READ, WRITE, CMD)
|
|---|
| 497 | #
|
|---|
| 498 | # Like open2, except CMD's stderr is also redirected.
|
|---|
| 499 | #
|
|---|
| 500 | sub openpipe
|
|---|
| 501 | {
|
|---|
| 502 | my ($read, $write, $cmd) = @_;
|
|---|
| 503 | my ($child_read, $child_write);
|
|---|
| 504 |
|
|---|
| 505 | $child_read = ++$FileHandle;
|
|---|
| 506 | $child_write = ++$FileHandle;
|
|---|
| 507 |
|
|---|
| 508 | pipe($read, $child_write) || die "Failed pipe($read, $child_write): $!";
|
|---|
| 509 | pipe($child_read, $write) || die "Failed pipe($child_read, $write): $!";
|
|---|
| 510 | my $pid;
|
|---|
| 511 |
|
|---|
| 512 | if (($pid = fork) < 0) {
|
|---|
| 513 | die "Failed fork: $!";
|
|---|
| 514 | } elsif ($pid == 0) {
|
|---|
| 515 | close($read);
|
|---|
| 516 | close($write);
|
|---|
| 517 | open(STDIN, "<&$child_read");
|
|---|
| 518 | open(STDOUT, ">&$child_write");
|
|---|
| 519 | open(STDERR, ">&$child_write");
|
|---|
| 520 | exec($cmd);
|
|---|
| 521 | die "Failed exec $cmd: $!";
|
|---|
| 522 | }
|
|---|
| 523 |
|
|---|
| 524 | close($child_read);
|
|---|
| 525 | close($child_write);
|
|---|
| 526 |
|
|---|
| 527 | $write->autoflush();
|
|---|
| 528 | $read->autoflush();
|
|---|
| 529 |
|
|---|
| 530 | return 1;
|
|---|
| 531 | }
|
|---|
| 532 |
|
|---|
| 533 |
|
|---|
| 534 | ######################################################################
|
|---|
| 535 |
|
|---|
| 536 | ############# functions to do with the classificaiton stuff ##########
|
|---|
| 537 | sub get_classifyinfo {
|
|---|
| 538 | my ($gdbmfile) = @_;
|
|---|
| 539 |
|
|---|
| 540 | open (DB2TXT, "db2txt $gdbmfile |") || die "couldn't open pipe to db2txt\n";
|
|---|
| 541 | print STDERR "Finding all classification sections from $gdbmfile\n" ;
|
|---|
| 542 |
|
|---|
| 543 | $/ = '-' x 70;
|
|---|
| 544 | my $entry = "";
|
|---|
| 545 | while (defined ($entry = <DB2TXT>)) {
|
|---|
| 546 | next unless $entry =~ /\w/; #ignore blank entries
|
|---|
| 547 | $entry =~ s/\n+/\\n/g; # replace multiple \n with single \n
|
|---|
| 548 | my ($key, $value) = $entry =~ /\[([^\]]*)\](.*)/;
|
|---|
| 549 |
|
|---|
| 550 | next unless ($key =~/^[A-Z]$/); # assumes classification OID is like
|
|---|
| 551 | # C or T etc
|
|---|
| 552 |
|
|---|
| 553 | push( @$classifyinfo, $key);
|
|---|
| 554 |
|
|---|
| 555 | }
|
|---|
| 556 |
|
|---|
| 557 | $/ = "\n";
|
|---|
| 558 | }
|
|---|
| 559 |
|
|---|
| 560 | #this creates the classification files needed for the hierarchy classifier
|
|---|
| 561 | #used for subjects, titles, orgs etc
|
|---|
| 562 | #also adds in entries to the collect_cfg hash
|
|---|
| 563 | sub make_info_file {
|
|---|
| 564 | my ($etcdir, $classifier) = @_;
|
|---|
| 565 | my $info_file = "";
|
|---|
| 566 |
|
|---|
| 567 | $info_file = &util::filename_cat($etcdir, "CL.${classifier}.txt");
|
|---|
| 568 | $classifier_name = "CL.$classifier";
|
|---|
| 569 | print STDERR "classification $classifier will be called CL.$classifier\n";
|
|---|
| 570 |
|
|---|
| 571 | open (OUTDOC, ">$info_file" ) || die "couldn't open file $info_file\n";
|
|---|
| 572 |
|
|---|
| 573 | my $entry = $infodb{$classifier};
|
|---|
| 574 | #print STDERR "entry = $entry\n";
|
|---|
| 575 | my $hashref = {};
|
|---|
| 576 | &get_metadata($entry, $hashref);
|
|---|
| 577 | my $children=[];
|
|---|
| 578 | &get_whole_children($hashref, $children);
|
|---|
| 579 | foreach $child (@$children) {
|
|---|
| 580 | &process_entry(OUTDOC, $classifier_name, $child);
|
|---|
| 581 | }
|
|---|
| 582 |
|
|---|
| 583 | close OUTDOC;
|
|---|
| 584 |
|
|---|
| 585 | &add_classify_cfg($classifier, $classifier_name, $info_file);
|
|---|
| 586 |
|
|---|
| 587 | }
|
|---|
| 588 |
|
|---|
| 589 |
|
|---|
| 590 | sub process_entry {
|
|---|
| 591 | my ($handle, $classifier_name, $classify_id) = @_;
|
|---|
| 592 |
|
|---|
| 593 | my $value = $infodb{$classify_id};
|
|---|
| 594 | my $hashref={};
|
|---|
| 595 | &get_metadata($value, $hashref);
|
|---|
| 596 | my $title = $hashref->{'Title'};
|
|---|
| 597 |
|
|---|
| 598 | &add_line($handle, $classify_id, $title);
|
|---|
| 599 |
|
|---|
| 600 | my $children = [];
|
|---|
| 601 | &get_whole_children($hashref, $children);
|
|---|
| 602 | foreach $child (@$children) {
|
|---|
| 603 | if (&is_document($child)) {
|
|---|
| 604 | &add_doc_metadata($child, $classifier_name, $classify_id);
|
|---|
| 605 | }
|
|---|
| 606 | else {
|
|---|
| 607 | &process_entry($handle, $classifier_name, $child);
|
|---|
| 608 | }
|
|---|
| 609 | }
|
|---|
| 610 | }
|
|---|
| 611 |
|
|---|
| 612 | sub add_doc_metadata {
|
|---|
| 613 | my ($doc_id, $classifier_name, $classifier_id) = @_;
|
|---|
| 614 |
|
|---|
| 615 | #add entry to doc database
|
|---|
| 616 | #print STDERR "at doc level, docnum=$classify_id\n";
|
|---|
| 617 | $doc_classif_info->{$doc_id}={} unless defined $doc_classif_info->{$doc_id};
|
|---|
| 618 | $doc_classif_info->{$doc_id}->{$classifier_name}=[] unless
|
|---|
| 619 | defined $doc_classif_info->{$doc_id}->{$classifier_name};
|
|---|
| 620 | push (@{$doc_classif_info->{$doc_id}->{$classifier_name}}, $classifier_id);
|
|---|
| 621 | }
|
|---|
| 622 |
|
|---|
| 623 | sub add_line {
|
|---|
| 624 | my ($handle, $classify_id, $title) = @_;
|
|---|
| 625 | $title = &unicode::ascii2utf8(\$title);
|
|---|
| 626 | my ($num) = $classify_id =~ /^[A-Z]\.(.*)$/; #remove the C. from the front
|
|---|
| 627 | print $handle "$classify_id\t$num\t\"$title\"\n";
|
|---|
| 628 | }
|
|---|
| 629 |
|
|---|
| 630 | sub is_document {
|
|---|
| 631 | my ($oid) = @_;
|
|---|
| 632 | return 1 if $oid =~ /^B\.\d/;
|
|---|
| 633 | return 0;
|
|---|
| 634 | }
|
|---|
| 635 |
|
|---|
| 636 | ########################################################################
|
|---|
| 637 |
|
|---|
| 638 | ########## stuff for producing collect.cfg file ###########################
|
|---|
| 639 |
|
|---|
| 640 | sub add_default_cfg {
|
|---|
| 641 |
|
|---|
| 642 | $username=`whoami`;
|
|---|
| 643 | $username=`logname` unless defined $username;
|
|---|
| 644 | $username="a_user" unless defined $username;
|
|---|
| 645 | $username =~ s/\n//;
|
|---|
| 646 | $collect_cfg->{'creator'}="$username\@cs.waikato.ac.nz";
|
|---|
| 647 | $collect_cfg->{'maintainer'}="$username\@cs.waikato.ac.nz";
|
|---|
| 648 | $collect_cfg->{'public'}="true";
|
|---|
| 649 |
|
|---|
| 650 | $collect_cfg->{'plugin'}=[];
|
|---|
| 651 | push (@{$collect_cfg->{'plugin'}}, ["GreenstoneXMLPlugin"]);
|
|---|
| 652 | push (@{$collect_cfg->{'plugin'}}, ["ArchivesInfPlugin"]);
|
|---|
| 653 | push (@{$collect_cfg->{'plugin'}}, ["DirectoryPlugin"]);
|
|---|
| 654 |
|
|---|
| 655 | $collect_cfg->{'format'}={};
|
|---|
| 656 | $collect_cfg->{'format'}->{'DocumentImages'}="true";
|
|---|
| 657 | $collect_cfg->{'format'}->{'DocumentText'} =
|
|---|
| 658 | "\"<h3>[Title]</h3>\\\\n\\\\n<p>[Text]\"";
|
|---|
| 659 | $collect_cfg->{'format'}->{'SearchVList'} =
|
|---|
| 660 | "\"<td valign=top>[link][icon][/link]</td><td>{If}{[parent(All': '):Title],[parent(All': '):Title]:}[link][Title][/link]</td>\"";
|
|---|
| 661 |
|
|---|
| 662 | $collect_cfg->{'collectionmeta'}={};
|
|---|
| 663 | $collect_cfg->{'collectionmeta'}->{'collectionname'}="\"$collection\"";
|
|---|
| 664 | $collect_cfg->{'collectionmeta'}->{'iconcollection'}="\"_httpprefix_/collect/$collection/images/$collection.gif\"";
|
|---|
| 665 | $collect_cfg->{'collectionmeta'}->{'iconcollectionsmall'}="\"_httpprefix_/collect/$collection/images/${collection}sm.gif\"";
|
|---|
| 666 | $collect_cfg->{'collectionmeta'}->{'collectionextra'} = "\"This is a collection rebuilt from CDROM.\"";
|
|---|
| 667 |
|
|---|
| 668 | }
|
|---|
| 669 |
|
|---|
| 670 | sub add_index_cfg {
|
|---|
| 671 | my ($buildfile) = @_;
|
|---|
| 672 |
|
|---|
| 673 | my $data={};
|
|---|
| 674 | $collect_cfg->{'indexes'}=[];
|
|---|
| 675 | if (-e $buildfile) {
|
|---|
| 676 | $data=&cfgread::read_cfg_file($buildfile, '^(this)$', '^(indexmap)$');
|
|---|
| 677 | foreach my $i (@{$data->{'indexmap'}}) {
|
|---|
| 678 | my ($thisindex, $abbrev)= split (/\-\>/, $i);
|
|---|
| 679 | push (@{$collect_cfg->{'indexes'}}, $thisindex);
|
|---|
| 680 | $collect_cfg->{'defaultindex'} = $thisindex unless defined
|
|---|
| 681 | $collect_cfg->{'defaultindex'};
|
|---|
| 682 | $name=&get_index_name($thisindex);
|
|---|
| 683 | $thisindex=".$thisindex";
|
|---|
| 684 | $collect_cfg->{'collectionmeta'}->{$thisindex} = "\"$name\"";
|
|---|
| 685 | }
|
|---|
| 686 | }
|
|---|
| 687 | else {
|
|---|
| 688 | print STDERR "Couldn't read $buildfile, could not add index data to configuration file\n";
|
|---|
| 689 | }
|
|---|
| 690 |
|
|---|
| 691 | }
|
|---|
| 692 |
|
|---|
| 693 | sub get_index_name {
|
|---|
| 694 | my ($thisindex) = @_;
|
|---|
| 695 | return "paragraphs" if $thisindex =~ /paragraph/;
|
|---|
| 696 | return "chapters" if $thisindex =~ /section.*text/;
|
|---|
| 697 | return "titles" if $thisindex =~ /Title/;
|
|---|
| 698 | return "other";
|
|---|
| 699 | }
|
|---|
| 700 |
|
|---|
| 701 | sub add_classify_cfg {
|
|---|
| 702 |
|
|---|
| 703 | my ($classify, $metadata, $file) = @_;
|
|---|
| 704 | $collect_cfg->{'classify'} = [] unless defined $collect_cfg->{'classify'};
|
|---|
| 705 |
|
|---|
| 706 | my ($title);
|
|---|
| 707 | $title = "Howto" if $classify eq 'H';
|
|---|
| 708 | $title = "Subject" if $classify eq 'C';
|
|---|
| 709 | $title = "Organization" if $classify eq 'O';
|
|---|
| 710 | $title = "Title" if $classify eq 'T';
|
|---|
| 711 | $title = "Other" unless defined $title;
|
|---|
| 712 |
|
|---|
| 713 | my ($filename) = $file =~ /\/([^\/]*)$/;
|
|---|
| 714 | my $entry = "Hierarchy -hfile $filename -metadata $metadata -buttonname $title -sort Title";
|
|---|
| 715 | $entry .= " -hlist_at_top" if $title eq "Title";
|
|---|
| 716 | push (@{$collect_cfg->{'classify'}},[$entry]);
|
|---|
| 717 |
|
|---|
| 718 |
|
|---|
| 719 | }
|
|---|
| 720 |
|
|---|
| 721 | sub output_cfg_file {
|
|---|
| 722 |
|
|---|
| 723 | my ($collfile) = @_;
|
|---|
| 724 | &cfgread::write_cfg_file($collfile, $collect_cfg,
|
|---|
| 725 | '^(creator|maintainer|public|beta|defaultindex)$',
|
|---|
| 726 | '^(indexes)$', '^(format|collectionmeta)$',
|
|---|
| 727 | '^(plugin|classify)$');
|
|---|
| 728 | }
|
|---|
| 729 |
|
|---|
| 730 | sub read_gdbm {
|
|---|
| 731 | my ($filename) = @_;
|
|---|
| 732 |
|
|---|
| 733 | open (PIPEIN, "db2txt \"$filename\" |") || die "couldn't open pipe from db2txt\n";
|
|---|
| 734 | my $line = ""; my $key = ""; my $value = "";
|
|---|
| 735 | while (defined ($line = <PIPEIN>)) {
|
|---|
| 736 | if ($line =~ /^\[([^\]]+)\]$/) {
|
|---|
| 737 | $key = $1;
|
|---|
| 738 | } elsif ($line =~ /^-{70}$/) {
|
|---|
| 739 | $infodb{$key} = $value;
|
|---|
| 740 | $value = "";
|
|---|
| 741 | $key = "";
|
|---|
| 742 | } else {
|
|---|
| 743 | $value .= $line;
|
|---|
| 744 | }
|
|---|
| 745 | }
|
|---|
| 746 | close PIPEIN;
|
|---|
| 747 | }
|
|---|
