| 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 | # unindex.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 -
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| 30 | #this is based on the format current in Nov 1999. (version two)
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| 31 |
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| 32 | # Stefan updated unbuildv1.pl in August 2002 but unbuildv2.pl was not
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| 33 | # updated. It probably needs some work done before using.
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| 34 |
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| 35 | BEGIN {
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| 36 | die "GSDLHOME not set\n" unless defined $ENV{'GSDLHOME'};
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| 37 | die "GSDLOS not set\n" unless defined $ENV{'GSDLOS'};
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| 38 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib");
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| 39 | $FileHandle = 'FH000';
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| 40 | }
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| 41 |
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| 42 | use doc;
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| 43 | use docsave;
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| 44 | use util;
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| 45 | use parsargv;
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| 46 | use GDBM_File;
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| 47 | use FileHandle;
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| 48 | use English;
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| 49 | use cfgread;
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| 50 | use unicode;
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| 51 |
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| 52 | select STDERR; $| = 1;
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| 53 | select STDOUT; $| = 1;
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| 54 |
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| 55 |
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| 56 | # globals
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| 57 | $collection = ""; # the collection name
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| 58 | $index = ""; # the selected index (like stt/unu)
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| 59 | $textdir = ""; # the textdir (like text/unu)
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| 60 | $toplevelinfo = []; #list of document OIDs
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| 61 | %infodb = (); #hash into GDBM file
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| 62 | $classifyinfo = []; # list of classifications
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| 63 | $doc_classif_info = {}; # hash of OIDs->classifications they belong to
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| 64 | $collect_cfg = {}; #data for the configuration file
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| 65 |
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| 66 | $mgread = ++$FileHandle;
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| 67 | $mgwrite = ++$FileHandle;
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| 68 |
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| 69 |
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| 70 |
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| 71 | sub print_usage {
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| 72 | print STDERR "\n usage: $0 [options]\n\n";
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| 73 | print STDERR " options:\n";
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| 74 | print STDERR " -verbosity number 0=none, 3=lots\n";
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| 75 | print STDERR " -indexdir directory The index to be decompressed (defaults to ./index)\n";
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| 76 | print STDERR " -archivedir directory Where the converted material ends up (defaults to ./archives.new\n";
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| 77 | print STDERR " -removeold Will remove the old contents of the archives\n";
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| 78 | print STDERR " directory -- use with care\n\n";
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| 79 | }
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| 80 |
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| 81 | &main ();
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| 82 |
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| 83 | sub main {
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| 84 | if (!parsargv::parse(\@ARGV,
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| 85 | 'verbosity/\d+/2', \$verbosity,
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| 86 | 'indexdir/.*/index', \$indexdir,
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| 87 | 'archivedir/.*/archives.new', \$archivedir,
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| 88 | 'removeold', \$removeold)) {
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| 89 | &print_usage();
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| 90 | die "\n";
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| 91 | }
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| 92 |
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| 93 | die "indexdir $indexdir does not exist\n\n" unless (-d $indexdir);
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| 94 | $indexdir =~ s/\/$//;
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| 95 | if (-d $archivedir) {
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| 96 | if ($removeold) {
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| 97 | print STDERR "Warning - removing current contents of the archives directory $archivedir\n";
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| 98 | print STDERR " in preparation for the import\n";
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| 99 | sleep(5); # just in case...
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| 100 | &util::rm_r ($archivedir);
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| 101 | }
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| 102 | } else {
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| 103 | &util::mk_all_dir ($archivedir);
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| 104 | }
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| 105 |
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| 106 | $etcdir = "./etc";
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| 107 | if (!(-d $etcdir)) {
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| 108 | &util::mk_all_dir ($etcdir);
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| 109 | }
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| 110 |
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| 111 |
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| 112 | my $gdbmfile = &get_gdbmfile ($indexdir); #sets $collection and $textdir
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| 113 | &set_index (); # sets $index (just chooses one index)
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| 114 |
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| 115 |
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| 116 | my $buildcfgfile = &util::filename_cat($indexdir, "build.cfg");
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| 117 | my $colcfgfile = &util::filename_cat($etcdir, "collect.cfg");
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| 118 |
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| 119 | &add_default_cfg();
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| 120 | &add_index_cfg($buildcfgfile);
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| 121 |
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| 122 |
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| 123 | #work out all the classifications from the gdbm file, info for each doc
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| 124 | #(ie which classifications they belong to, are kept in $doc_classif_info
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| 125 | &get_classifyinfo ($gdbmfile); #puts a list of classifications into classifyinfo
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| 126 |
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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 | tie (%infodb, "GDBM_File", $gdbmfile, 1, 0);
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| 130 |
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| 131 | #this makes the files specifying the hierarchy of subjects, titles etc
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| 132 | foreach $classify (@$classifyinfo) {
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| 133 |
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| 134 | &make_info_file($classify);
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| 135 |
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| 136 | }
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| 137 |
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| 138 |
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| 139 |
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| 140 | #write out the collect.cfg
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| 141 | &output_cfg_file($colcfgfile);
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| 142 |
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| 143 | &openmg ();
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| 144 |
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| 145 | # read the archive information file
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| 146 | my $archive_info_filename = &util::filename_cat ($archivedir, "archives.inf");
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| 147 | my $archive_info = new arcinfo ();
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| 148 |
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| 149 | # create a docsave object to process the documents
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| 150 | my $processor = new docsave ("", $archive_info, $verbosity);
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| 151 | $processor->setarchivedir ($archivedir);
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| 152 |
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| 153 | my ($doc_obj, $hashref, $children);
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| 154 | print STDERR "processing documents now\n" if $verbosity >=2;
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| 155 | foreach $oid (@$toplevelinfo) {
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| 156 | $value = $infodb{$oid};
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| 157 | $hashref={};
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| 158 | $children = [];
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| 159 | &get_metadata($value, $hashref);
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| 160 | $doc_obj = new doc ();
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| 161 | $doc_obj->set_OID($oid);
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| 162 | my ($olddir) = $hashref->{'archivedir'}; # old dir for this doc, where images are stored
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| 163 | $top = $doc_obj->get_top_section();
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| 164 | &add_section_content ($doc_obj, $top, $hashref, $olddir);
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| 165 | &add_classification_metadata($oid, $doc_obj, $top);
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| 166 | &add_cover_image($doc_obj, $olddir);
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| 167 | &get_children($hashref, $children);
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| 168 | &recurse_sections($doc_obj, $children, $oid, $top, $olddir);
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| 169 | $processor->process($doc_obj);
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| 170 |
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| 171 | }
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| 172 | print STDERR "\n";
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| 173 |
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| 174 | &closemg();
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| 175 |
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| 176 | # write out the archive information file
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| 177 | $archive_info->save_info($archive_info_filename);
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| 178 | }
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| 179 |
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| 180 | # returns the path to the gdbm info database - also
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| 181 | # sets the $collection and $textdir global variable
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| 182 | sub get_gdbmfile {
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| 183 | my ($indexdir) = @_;
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| 184 | my ($gdbmfile);
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| 185 |
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| 186 | opendir (DIR, $indexdir) || die "Couldn't open directory $indexdir\n\n";
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| 187 | my @conts = readdir DIR;
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| 188 | close DIR;
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| 189 |
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| 190 | foreach $file (@conts) {
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| 191 | if ($file =~ /text$/) {
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| 192 | $textdir = $file;
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| 193 | last;
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| 194 | }
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| 195 | }
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| 196 | die "No text directory found in $indexdir\n\n"
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| 197 | unless defined $textdir && $textdir =~ /text$/;
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| 198 |
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| 199 | $gdbmfile = &util::filename_cat ($indexdir, $textdir);
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| 200 |
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| 201 | opendir (DIR, $gdbmfile) || die "Couldn't open directory $gdbmfile\n\n";
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| 202 | @conts = readdir DIR;
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| 203 | close DIR;
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| 204 |
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| 205 | foreach $file (@conts) {
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| 206 | if ($file =~ /^(.*?)\.(?:ldb|bdb)$/) {
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| 207 | $collection = $1;
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| 208 | $gdbmfile = &util::filename_cat ($gdbmfile, $file);
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| 209 | last;
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| 210 | }
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| 211 | }
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| 212 |
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| 213 | if (defined $collection && $collection =~ /\w/) {
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| 214 | $textdir = &util::filename_cat ($textdir, $collection);
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| 215 | } else {
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| 216 | die "collection global wasn't set\n";
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| 217 | }
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| 218 | return $gdbmfile if (-e $gdbmfile);
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| 219 | die "Couldn't find gdbm info database in $indexdir\n\n";
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| 220 | }
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| 221 |
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| 222 |
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| 223 | sub get_toplevel_OID {
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| 224 | my ($gdbmfile) = @_;
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| 225 |
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| 226 | open (DB2TXT, "db2txt $gdbmfile |") || die "couldn't open pipe to db2txt\n";
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| 227 | print STDERR "Finding all top level sections from $gdbmfile\n" if $verbosity >= 2;
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| 228 |
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| 229 | $/ = '-' x 70;
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| 230 | my $entry = "";
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| 231 | while (defined ($entry = <DB2TXT>)) {
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| 232 | next unless $entry =~ /\w/; #ignore blank entries
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| 233 | $entry =~ s/\n+/\\n/g; # replace multiple \n with single \n
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| 234 | my ($key, $value) = $entry =~ /\[([^\]]*)\](.*)/;
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| 235 |
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| 236 | next if ($key =~ /\./); #ignore any lower level entries
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| 237 | next if ($key =~ /^CL/); #ignore classification entries
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| 238 | next if ($value =~ /<section>/); #ignore docnum->OID entries
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| 239 | next if ($key !~ /\d/); #ignore collection, browse entries
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| 240 |
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| 241 | push( @$toplevelinfo, $key);
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| 242 |
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| 243 | }
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| 244 |
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| 245 | $/ = "\n";
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| 246 | #print STDERR "toplevel sections are: ", join ("\n", @$toplevelinfo);
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| 247 | }
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| 248 |
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| 249 | # gets all the metadata from a gdbm file entry, and puts it into a hashref
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| 250 | sub get_metadata {
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| 251 |
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| 252 | my ($gdb_str_ref, $hashref) = @_;
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| 253 |
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| 254 | my @entries = split(/\n/, $gdb_str_ref);
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| 255 | foreach $entry (@entries) {
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| 256 | my($key, $value) = ($entry =~ /^<([^>]*)>(.*?)$/ );
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| 257 | $$hashref{$key} .= '@' if defined $$hashref{$key};
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| 258 | $$hashref{$key} .= $value;
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| 259 | #print STDERR "key: $key, value: $value\n";
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| 260 | }
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| 261 |
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| 262 |
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| 263 | }
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| 264 |
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| 265 | #takes a hashref containing the metadata for a gdbmfile entry, and extracts
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| 266 | #the childrens numbers (from the 'contains' entry).
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| 267 | #assumes format is ".1;".2;".3
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| 268 | sub get_children {
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| 269 | my ($hashref, $children) = @_;
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| 270 |
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| 271 | $childs = $hashref->{'contains'};
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| 272 | if (defined ($childs)) {
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| 273 | $childs =~ s/\@$//; #remove trailing @
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| 274 | $childs =~ s/^\"\.//; #remove initial ".
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| 275 | @$children = split /\;\"\./, $childs;
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| 276 |
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| 277 | }
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| 278 | else {
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| 279 | $children = [];
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| 280 | }
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| 281 | }
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| 282 |
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| 283 | #takes a hashref containing the metadata for a gdbmfile entry, and extracts
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| 284 | #the childrens numbers (from the 'contains' entry).
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| 285 | #assumes format is ".1;".2;".3
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| 286 | #returns a list with the full child name ie HASH0123...ac.1 HASH0123...ac.2
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| 287 | #etc
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| 288 | #used for classification stuff
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| 289 | sub get_whole_children {
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| 290 |
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| 291 | my ($parentoid, $hashref, $children) = @_;
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| 292 |
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| 293 | my $childs = $hashref->{'contains'};
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| 294 | my @items;
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| 295 | if (defined ($childs)) {
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| 296 | $childs =~ s/\@$//; #remove trailing @
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| 297 | if ($childs =~ s/^\"//) { #remove initial " if there
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| 298 | @items = split /\;\"/, $childs; #split into .1 .2 .3 etc
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| 299 | foreach $item (@items) {
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| 300 | push (@$children, "$parentoid$item");
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| 301 | }
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| 302 | }
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| 303 | else { # whole id is already present. split on ; and dont put parentoid in front
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| 304 | @items = split /\;/, $childs;
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| 305 | foreach $item (@items) {
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| 306 | push (@$children, "$item");
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| 307 | }
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| 308 | }
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| 309 | #print STDERR "children are: ", join ("\n", @$children);
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| 310 |
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| 311 | }
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| 312 | else {
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| 313 | $children = [];
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| 314 | }
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| 315 |
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| 316 |
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| 317 | }
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| 318 | sub recurse_sections {
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| 319 | my ($doc_obj, $children, $parentoid, $parentsection, $olddir) = @_;
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| 320 |
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| 321 | foreach $child (sort numerically @$children) {
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| 322 | $doc_obj->create_named_section("$parentsection.$child");
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| 323 | my $value = $infodb{"$parentoid.$child"};
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| 324 | my $hashref={};
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| 325 | &get_metadata($value, $hashref); # get childs metadata
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| 326 | my $newchildren = [];
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| 327 | &get_children($hashref, $newchildren); # get childs children
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| 328 | #add content fo rcurrent section
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| 329 | &add_section_content($doc_obj, "$parentsection.$child", $hashref, $olddir);
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| 330 | # process all the children if there are any
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| 331 | &recurse_sections($doc_obj, $newchildren, "$parentoid.$child", "$parentsection.$child", $olddir)
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| 332 | if (defined ($newchildren));
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| 333 | }
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| 334 |
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| 335 |
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| 336 | }
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| 337 |
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| 338 | sub add_section_content {
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| 339 | my ($doc_obj, $cursection, $hashref, $olddir) = @_;
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| 340 |
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| 341 | foreach $key (keys %$hashref) {
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| 342 | #dont need to store these metadata
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| 343 | next if $key =~ /(contains|docnum|hastxt|doctype|archivedir|classifytype)/i;
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| 344 | my @items = split /@/, $hashref->{$key};
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| 345 | map {$doc_obj->add_metadata ($cursection, $key, $_); } @items;
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| 346 |
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| 347 | }
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| 348 | my ($docnum)= $hashref->{'docnum'} =~ /(\d*)/;
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| 349 | my ($hastext) =$hashref->{'hastxt'} =~ /(0|1)/;
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| 350 |
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| 351 | my $images=[];
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| 352 | if ($hastext) {
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| 353 | my $text = &get_text($docnum);
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| 354 |
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| 355 | #my (@images) = $text =~ /<img.*?src=\"([^\"]*)\"[^>]*>/g;
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| 356 |
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| 357 | # in text replace path to image with _httpdocimg_/blah.gif
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| 358 | #while ($text =~ s/(<img.*?src=\")([^\"]*)(\"[^>]*>)/
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| 359 | # $1.&get_img($2, \@images).$3/sgei) {
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| 360 | $text =~ s/(<img.*?src=\")([^\"]*)(\"[^>]*>)/
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| 361 | $1.&get_img($2,$images).$3/sgei;
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| 362 |
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| 363 | $doc_obj->add_text ($cursection, $text);
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| 364 |
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| 365 | if (scalar(@$images)>0) {
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| 366 |
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| 367 | foreach $img (@$images) {
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| 368 | my ($assoc_file) = $img =~ /([^\/\\]*\..*)$/; #the name of the image
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| 369 | $img =~ s/_httpcollection_/\./; #replace _httpcollection_ with .
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| 370 | $img =~ s/_thisOID_/$olddir/; #replace _thisOID_ with old archivedir name
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| 371 |
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| 372 | $doc_obj->associate_file($img, $assoc_file);
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| 373 | }
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| 374 | }
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| 375 | }
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| 376 | }
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| 377 |
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| 378 |
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| 379 |
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| 380 | sub get_img {
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| 381 | my ($path, $images) = @_;
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| 382 | my $img = "_httpdocimg_/";
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| 383 | my ($imgname) = $path =~ /([^\/\\]*\..*)$/;
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| 384 | push (@$images, $path);
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| 385 | $img .= $imgname;
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| 386 | return $img;
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| 387 | }
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| 388 |
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| 389 |
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| 390 | sub add_classification_metadata {
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| 391 |
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| 392 | my ($oid, $doc_obj, $cursection) = @_;
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| 393 |
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| 394 | if (defined $doc_classif_info->{$oid}) {
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| 395 |
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| 396 | my $hashref = $doc_classif_info->{$oid};
|
|---|
| 397 |
|
|---|
| 398 | foreach $key (keys %$hashref) {
|
|---|
| 399 | my @items = @{$hashref->{$key}};
|
|---|
| 400 | map {$doc_obj->add_metadata ($cursection, $key, $_); } @items;
|
|---|
| 401 | }
|
|---|
| 402 | }
|
|---|
| 403 | }
|
|---|
| 404 |
|
|---|
| 405 | # picks up the cover image "cover.jpg" from the old archives directory.
|
|---|
| 406 | sub add_cover_image {
|
|---|
| 407 |
|
|---|
| 408 | my ($doc_obj, $olddir) = @_;
|
|---|
| 409 | $assoc_file = "cover.jpg";
|
|---|
| 410 | $img = "archives/$olddir/$assoc_file";
|
|---|
| 411 |
|
|---|
| 412 |
|
|---|
| 413 | if (-e $img) {
|
|---|
| 414 | $doc_obj->associate_file($img, $assoc_file);
|
|---|
| 415 | }
|
|---|
| 416 | }
|
|---|
| 417 |
|
|---|
| 418 |
|
|---|
| 419 |
|
|---|
| 420 | sub set_index {
|
|---|
| 421 | # check that $collection has been set
|
|---|
| 422 | die "collection global was not set\n"
|
|---|
| 423 | unless defined $collection && $collection =~ /\w/;
|
|---|
| 424 |
|
|---|
| 425 | # find an index (just use first non-text directory we come across in $indexdir)
|
|---|
| 426 | opendir (INDEXDIR, $indexdir) || die "couldn't open directory $indexdir\n";
|
|---|
| 427 | my @indexes = readdir INDEXDIR;
|
|---|
| 428 | close INDEXDIR;
|
|---|
| 429 | foreach $i (@indexes) {
|
|---|
| 430 | next if $i =~ /text$/i || $i =~ /\./ || $i =~ /assoc$/i;
|
|---|
| 431 | $index = &util::filename_cat ($i, $collection);
|
|---|
| 432 | last;
|
|---|
| 433 | }
|
|---|
| 434 | }
|
|---|
| 435 |
|
|---|
| 436 |
|
|---|
| 437 | #########################################################################
|
|---|
| 438 |
|
|---|
| 439 | ################ functions involving mg ################################
|
|---|
| 440 |
|
|---|
| 441 | sub get_text {
|
|---|
| 442 | my ($docnum) = @_;
|
|---|
| 443 |
|
|---|
| 444 | print STDERR "." if $verbosity >= 2;
|
|---|
| 445 | &mgcommand ($docnum);
|
|---|
| 446 |
|
|---|
| 447 | <$mgread>; # eat the document separator
|
|---|
| 448 |
|
|---|
| 449 | my $text = "";
|
|---|
| 450 | my $line = "";
|
|---|
| 451 |
|
|---|
| 452 | while (defined ($line = <$mgread>))
|
|---|
| 453 | {
|
|---|
| 454 | last if $line =~ /^<\/mg>/;
|
|---|
| 455 | $text .= $line;
|
|---|
| 456 | }
|
|---|
| 457 |
|
|---|
| 458 | # Read in the last statement, which should be:
|
|---|
| 459 | # "dd documents retrieved."
|
|---|
| 460 | <$mgread>;
|
|---|
| 461 |
|
|---|
| 462 | return $text;
|
|---|
| 463 | }
|
|---|
| 464 |
|
|---|
| 465 | sub numerically {$a <=> $b;}
|
|---|
| 466 |
|
|---|
| 467 |
|
|---|
| 468 |
|
|---|
| 469 | sub openmg {
|
|---|
| 470 |
|
|---|
| 471 | #print STDERR "index: $index\n";
|
|---|
| 472 |
|
|---|
| 473 | die "Unable to start mgquery." unless
|
|---|
| 474 | &openpipe($mgread, $mgwrite,
|
|---|
| 475 | "mgquery -d $indexdir -f $index -t $textdir");
|
|---|
| 476 |
|
|---|
| 477 | $mgwrite->autoflush();
|
|---|
| 478 |
|
|---|
| 479 | &mgcommand('.set expert true');
|
|---|
| 480 | &mgcommand('.set terminator "</mg>\n"');
|
|---|
| 481 | &mgcommand('.set mode text');
|
|---|
| 482 | &mgcommand('.set query docnums');
|
|---|
| 483 | &mgcommand('.set term_freq off');
|
|---|
| 484 | }
|
|---|
| 485 |
|
|---|
| 486 | sub closemg {
|
|---|
| 487 | &mgcommand (".quit");
|
|---|
| 488 | close($mgread);
|
|---|
| 489 | close($mgwrite);
|
|---|
| 490 | }
|
|---|
| 491 |
|
|---|
| 492 | sub mgcommand {
|
|---|
| 493 | my ($command) = @_;
|
|---|
| 494 |
|
|---|
| 495 | return if $command =~ /^\s*$/; #whitespace
|
|---|
| 496 | #print STDERR "command: $command\n";
|
|---|
| 497 | print $mgwrite "$command\n";
|
|---|
| 498 |
|
|---|
| 499 | # eat up the command executed which is echoed
|
|---|
| 500 | <$mgread>;
|
|---|
| 501 | }
|
|---|
| 502 |
|
|---|
| 503 | # openpipe(READ, WRITE, CMD)
|
|---|
| 504 | #
|
|---|
| 505 | # Like open2, except CMD's stderr is also redirected.
|
|---|
| 506 | #
|
|---|
| 507 | sub openpipe
|
|---|
| 508 | {
|
|---|
| 509 | my ($read, $write, $cmd) = @_;
|
|---|
| 510 | my ($child_read, $child_write);
|
|---|
| 511 |
|
|---|
| 512 | $child_read = ++$FileHandle;
|
|---|
| 513 | $child_write = ++$FileHandle;
|
|---|
| 514 |
|
|---|
| 515 | pipe($read, $child_write) || die "Failed pipe($read, $child_write): $!";
|
|---|
| 516 | pipe($child_read, $write) || die "Failed pipe($child_read, $write): $!";
|
|---|
| 517 | my $pid;
|
|---|
| 518 |
|
|---|
| 519 | if (($pid = fork) < 0) {
|
|---|
| 520 | die "Failed fork: $!";
|
|---|
| 521 | } elsif ($pid == 0) {
|
|---|
| 522 | close($read);
|
|---|
| 523 | close($write);
|
|---|
| 524 | open(STDIN, "<&$child_read");
|
|---|
| 525 | open(STDOUT, ">&$child_write");
|
|---|
| 526 | open(STDERR, ">&$child_write");
|
|---|
| 527 | exec($cmd);
|
|---|
| 528 | die "Failed exec $cmd: $!";
|
|---|
| 529 | }
|
|---|
| 530 |
|
|---|
| 531 | close($child_read);
|
|---|
| 532 | close($child_write);
|
|---|
| 533 |
|
|---|
| 534 | $write->autoflush();
|
|---|
| 535 | $read->autoflush();
|
|---|
| 536 |
|
|---|
| 537 | return 1;
|
|---|
| 538 | }
|
|---|
| 539 |
|
|---|
| 540 |
|
|---|
| 541 |
|
|---|
| 542 |
|
|---|
| 543 | ######################################################################
|
|---|
| 544 |
|
|---|
| 545 | ############# functions to do with the classification stuff ##########
|
|---|
| 546 |
|
|---|
| 547 | #returns the top level classification oids
|
|---|
| 548 | sub get_classifyinfo {
|
|---|
| 549 | my ($gdbmfile) = @_;
|
|---|
| 550 |
|
|---|
| 551 | open (DB2TXT, "db2txt $gdbmfile |") || die "couldn't open pipe to db2txt\n";
|
|---|
| 552 | print STDERR "Finding all classification sections from $gdbmfile\n" ;
|
|---|
| 553 |
|
|---|
| 554 | $/ = '-' x 70;
|
|---|
| 555 | my $entry = "";
|
|---|
| 556 | while (defined ($entry = <DB2TXT>)) {
|
|---|
| 557 | next unless $entry =~ /\w/; #ignore blank entries
|
|---|
| 558 | $entry =~ s/\n+/\\n/g; # replace multiple \n with single \n
|
|---|
| 559 | my ($key, $value) = $entry =~ /\[([^\]]*)\](.*)/;
|
|---|
| 560 |
|
|---|
| 561 | next unless ($key =~/^CL\d$/); # assumes classification OID is like
|
|---|
| 562 | # CL1 or CL2 etc
|
|---|
| 563 |
|
|---|
| 564 | push( @$classifyinfo, $key);
|
|---|
| 565 |
|
|---|
| 566 | }
|
|---|
| 567 |
|
|---|
| 568 | $/ = "\n";
|
|---|
| 569 | print STDERR "classifications are: ", join(", ", @$classifyinfo);
|
|---|
| 570 | }
|
|---|
| 571 |
|
|---|
| 572 | #this creates the classification files needed for the hierarchy classifier
|
|---|
| 573 | #used for subjects, titles, orgs etc
|
|---|
| 574 | #also adds in entries to the collect_cfg hash
|
|---|
| 575 | sub make_info_file {
|
|---|
| 576 |
|
|---|
| 577 | my ($classifier) = @_;
|
|---|
| 578 | my $info_file = "";
|
|---|
| 579 |
|
|---|
| 580 | my $entry = $infodb{$classifier};
|
|---|
| 581 | #print STDERR "entry = $entry\n";
|
|---|
| 582 | my $hashref = {};
|
|---|
| 583 | &get_metadata($entry, $hashref);
|
|---|
| 584 |
|
|---|
| 585 | my $classifier_name = "CL".$hashref->{'Title'}; #like CLSubject
|
|---|
| 586 | $classifier_name =~ s/\@$//; #remove trailing @
|
|---|
| 587 |
|
|---|
| 588 | # check children - if all are documents at this level, dont need a
|
|---|
| 589 | # hierarchy so just put a AZList into config file
|
|---|
| 590 |
|
|---|
| 591 | my $children=[];
|
|---|
| 592 | &get_whole_children($classifier, $hashref, $children);
|
|---|
| 593 | if (&is_document($$children[0])) {
|
|---|
| 594 | &add_classify_cfg_list($classifier_name);
|
|---|
| 595 |
|
|---|
| 596 | }else { #there is a hierarchy so create a file
|
|---|
| 597 |
|
|---|
| 598 | $info_file = "./etc/$classifier_name.txt";
|
|---|
| 599 |
|
|---|
| 600 | print STDERR "classification $classifier will be called $classifier_name\n";
|
|---|
| 601 |
|
|---|
| 602 | open (OUTDOC, "> $info_file" ) || die "couldn't open file $info_file\n";
|
|---|
| 603 |
|
|---|
| 604 | foreach $child (@$children) {
|
|---|
| 605 | &process_entry(OUTDOC, $classifier_name, $child);
|
|---|
| 606 | }
|
|---|
| 607 |
|
|---|
| 608 | close OUTDOC;
|
|---|
| 609 |
|
|---|
| 610 | &add_classify_cfg($classifier, $classifier_name, $info_file);
|
|---|
| 611 | }
|
|---|
| 612 | }
|
|---|
| 613 |
|
|---|
| 614 |
|
|---|
| 615 | sub process_entry {
|
|---|
| 616 | my ($handle, $classifier_name, $classify_id) = @_;
|
|---|
| 617 |
|
|---|
| 618 | my $value = $infodb{$classify_id};
|
|---|
| 619 |
|
|---|
| 620 | my $hashref={};
|
|---|
| 621 |
|
|---|
| 622 | &get_metadata($value, $hashref);
|
|---|
| 623 | my $title = $hashref->{'Title'};
|
|---|
| 624 | $title =~ s/\@$//; #remove trailing @
|
|---|
| 625 | &add_line($handle, $classify_id, $title);
|
|---|
| 626 |
|
|---|
| 627 | my $children = [];
|
|---|
| 628 | &get_whole_children($classify_id, $hashref, $children);
|
|---|
| 629 | foreach $child (@$children) {
|
|---|
| 630 | if (&is_document($child)) {
|
|---|
| 631 | &add_doc_metadata($child, $classifier_name, $title);
|
|---|
| 632 | }else {
|
|---|
| 633 | process_entry($handle, $classifier_name, $child);
|
|---|
| 634 | }
|
|---|
| 635 | }
|
|---|
| 636 |
|
|---|
| 637 | }
|
|---|
| 638 |
|
|---|
| 639 |
|
|---|
| 640 |
|
|---|
| 641 | sub add_doc_metadata {
|
|---|
| 642 |
|
|---|
| 643 | my ($doc_id, $classifier_name, $classifier_id) = @_;
|
|---|
| 644 |
|
|---|
| 645 | #add entry to doc database
|
|---|
| 646 | #print STDERR "at doc level, docnum=$classify_id\n";
|
|---|
| 647 |
|
|---|
| 648 | $doc_classif_info->{$doc_id}={} unless defined $doc_classif_info->{$doc_id};
|
|---|
| 649 | $doc_classif_info->{$doc_id}->{$classifier_name}=[] unless
|
|---|
| 650 | defined $doc_classif_info->{$doc_id}->{$classifier_name};
|
|---|
| 651 | push (@{$doc_classif_info->{$doc_id}->{$classifier_name}}, $classifier_id);
|
|---|
| 652 |
|
|---|
| 653 | }
|
|---|
| 654 |
|
|---|
| 655 |
|
|---|
| 656 |
|
|---|
| 657 |
|
|---|
| 658 | sub add_line {
|
|---|
| 659 |
|
|---|
| 660 | my ($handle, $classify_id, $title) = @_;
|
|---|
| 661 | #print STDERR "classify id= $classify_id, title= $title\n";
|
|---|
| 662 | $title = &unicode::ascii2utf8($title);
|
|---|
| 663 |
|
|---|
| 664 | my ($num) = $classify_id =~ /^CL\d\.(.*)$/; #remove the CL1. from the front
|
|---|
| 665 |
|
|---|
| 666 | print $handle "\"$title\"\t$num\t\"$title\"\n";
|
|---|
| 667 |
|
|---|
| 668 |
|
|---|
| 669 | }
|
|---|
| 670 |
|
|---|
| 671 | sub is_document {
|
|---|
| 672 | my ($oid) = @_;
|
|---|
| 673 | return 1 if $oid =~ /^HASH/i;
|
|---|
| 674 | return 0;
|
|---|
| 675 | }
|
|---|
| 676 |
|
|---|
| 677 | ########################################################################
|
|---|
| 678 |
|
|---|
| 679 | ########## stuff for producing collect.cfg file ###########################
|
|---|
| 680 |
|
|---|
| 681 | sub add_default_cfg {
|
|---|
| 682 |
|
|---|
| 683 | $username=`whoami`;
|
|---|
| 684 | $username=`logname` unless defined $username;
|
|---|
| 685 | $username="a_user" unless defined $username;
|
|---|
| 686 | $username =~ s/\n//;
|
|---|
| 687 | $collect_cfg->{'creator'}="$username\@cs.waikato.ac.nz";
|
|---|
| 688 | $collect_cfg->{'maintainer'}="$username\@cs.waikato.ac.nz";
|
|---|
| 689 | $collect_cfg->{'public'}="false";
|
|---|
| 690 | $collect_cfg->{'beta'}="true";
|
|---|
| 691 |
|
|---|
| 692 | $collect_cfg->{'plugin'}=[];
|
|---|
| 693 | push (@{$collect_cfg->{'plugin'}}, ["GMLPlug"]);
|
|---|
| 694 | push (@{$collect_cfg->{'plugin'}}, ["ArcPlug"]);
|
|---|
| 695 | push (@{$collect_cfg->{'plugin'}}, ["RecPlug"]);
|
|---|
| 696 |
|
|---|
| 697 | $collect_cfg->{'format'}={};
|
|---|
| 698 | $collect_cfg->{'format'}->{'DocumentImages'}="true";
|
|---|
| 699 | $collect_cfg->{'format'}->{'DocumentText'} =
|
|---|
| 700 | "\"<h3>[Title]</h3>\\\\n\\\\n<p>[Text]\"";
|
|---|
| 701 | $collect_cfg->{'format'}->{'SearchVList'} =
|
|---|
| 702 | "\"<td valign=top>[link][icon][/link]</td><td>{If}{[parent(All': '):Title],[parent(All': '):Title]:}[link][Title][/link]</td>\"";
|
|---|
| 703 |
|
|---|
| 704 | $collect_cfg->{'collectionmeta'}={};
|
|---|
| 705 | $collect_cfg->{'collectionmeta'}->{'collectionname'}="\"$collection\"";
|
|---|
| 706 | $collect_cfg->{'collectionmeta'}->{'iconcollection'}="\"http://www.nzdl.org/gsdl/collect/$collection/images/$collection.gif\"";
|
|---|
| 707 | $collect_cfg->{'collectionmeta'}->{'iconcollectionsmall'}="\"http://www.nzdl.org/gsdl/collect/$collection/images/${collection}sm.gif\"";
|
|---|
| 708 | $collect_cfg->{'collectionmeta'}->{'collectionextra'} = "\"This is a collection rebuilt from CDROM.\"";
|
|---|
| 709 |
|
|---|
| 710 |
|
|---|
| 711 |
|
|---|
| 712 |
|
|---|
| 713 | }
|
|---|
| 714 |
|
|---|
| 715 | sub add_index_cfg {
|
|---|
| 716 | my ($buildfile) = @_;
|
|---|
| 717 |
|
|---|
| 718 | my $data={};
|
|---|
| 719 | $collect_cfg->{'indexes'}=[];
|
|---|
| 720 | if (-e $buildfile) {
|
|---|
| 721 | $data=&cfgread::read_cfg_file($buildfile, '^(this)$', '^(indexmap)$');
|
|---|
| 722 | foreach $i (@{$data->{'indexmap'}}) {
|
|---|
| 723 | ($thisindex, $abbrev)= split ("\-\>", $i);
|
|---|
| 724 | push (@{$collect_cfg->{'indexes'}}, $thisindex);
|
|---|
| 725 | $collect_cfg->{'defaultindex'} = $thisindex unless defined
|
|---|
| 726 | $collect_cfg->{'defaultindex'};
|
|---|
| 727 | $name=&get_index_name($thisindex);
|
|---|
| 728 | $thisindex=".$thisindex";
|
|---|
| 729 | $collect_cfg->{'collectionmeta'}->{$thisindex} = "\"$name\"";
|
|---|
| 730 | }
|
|---|
| 731 | }
|
|---|
| 732 | else {
|
|---|
| 733 | print STDERR "Couldn't read $buildfile, could not add index data to configuration file\n";
|
|---|
| 734 | }
|
|---|
| 735 |
|
|---|
| 736 | }
|
|---|
| 737 |
|
|---|
| 738 | sub get_index_name {
|
|---|
| 739 | my ($thisindex) = @_;
|
|---|
| 740 | return "paragraphs" if $thisindex =~ /paragraph/;
|
|---|
| 741 | return "chapters" if $thisindex =~ /section.*text/;
|
|---|
| 742 | return "titles" if $thisindex =~ /Title/;
|
|---|
| 743 | return "other";
|
|---|
| 744 | }
|
|---|
| 745 |
|
|---|
| 746 | sub add_classify_cfg {
|
|---|
| 747 |
|
|---|
| 748 | my ($classify, $classifier_name, $file) = @_;
|
|---|
| 749 | $collect_cfg->{'classify'} = [] unless defined $collect_cfg->{'classify'};
|
|---|
| 750 |
|
|---|
| 751 | my ($title) = $classifier_name =~ /^CL(.*)$/;
|
|---|
| 752 | my ($filename) = $file =~ /\/([^\/]*)$/;
|
|---|
| 753 | my $entry = "Hierarchy hfile=$filename metadata=$classifier_name title=$title sort=Title";
|
|---|
| 754 | push (@{$collect_cfg->{'classify'}},[$entry]);
|
|---|
| 755 |
|
|---|
| 756 |
|
|---|
| 757 | }
|
|---|
| 758 |
|
|---|
| 759 | sub add_classify_cfg_list {
|
|---|
| 760 |
|
|---|
| 761 | my ($classifier) = @_;
|
|---|
| 762 | $collect_cfg->{'classify'} = [] unless defined $collect_cfg->{'classify'};
|
|---|
| 763 | my ($title) = $classifier =~ /^CL(.*)$/;
|
|---|
| 764 | my $entry = "AZList metadata=$classifier title=$title";
|
|---|
| 765 | push (@{$collect_cfg->{'classify'}},[$entry]);
|
|---|
| 766 | }
|
|---|
| 767 |
|
|---|
| 768 | sub output_cfg_file {
|
|---|
| 769 |
|
|---|
| 770 | my ($collfile) = @_;
|
|---|
| 771 |
|
|---|
| 772 | if (-e $collfile) { #collect.cfg already exists
|
|---|
| 773 | $collfile .= ".new";
|
|---|
| 774 | }
|
|---|
| 775 | &cfgread::write_cfg_file($collfile, $collect_cfg,
|
|---|
| 776 | '^(creator|maintainer|public|beta|defaultindex)$',
|
|---|
| 777 | '^(indexes)$', '^(format|collectionmeta)$',
|
|---|
| 778 | '^(plugin|classify)$');
|
|---|
| 779 |
|
|---|
| 780 |
|
|---|
| 781 |
|
|---|
| 782 | }
|
|---|
| 783 |
|
|---|
| 784 |
|
|---|
