[537] | 1 | ###########################################################################
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| 2 | #
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| 3 | # doc.pm --
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| 4 | # A component of the Greenstone digital library software
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| 5 | # from the New Zealand Digital Library Project at the
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| 6 | # University of Waikato, New Zealand.
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| 7 | #
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| 8 | # Copyright (C) 1999 New Zealand Digital Library Project
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| 9 | #
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[8894] | 10 | # This program is free software; you can redistr te it and/or modify
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[537] | 11 | # it under the terms of the GNU General Public License as published by
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| 12 | # the Free Software Foundation; either version 2 of the License, or
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| 13 | # (at your option) any later version.
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| 14 | #
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| 15 | # This program is distributed in the hope that it will be useful,
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| 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 18 | # GNU General Public License for more details.
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| 19 | #
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| 20 | # You should have received a copy of the GNU General Public License
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| 21 | # along with this program; if not, write to the Free Software
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| 22 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 23 | #
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| 24 | ###########################################################################
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| 25 |
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[1241] | 26 | # base class to hold documents
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[4] | 27 |
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| 28 | package doc;
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[3834] | 29 | eval {require bytes};
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[4] | 30 |
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[832] | 31 | BEGIN {
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[1241] | 32 | die "GSDLHOME not set\n" unless defined $ENV{'GSDLHOME'};
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| 33 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib/dynamic/lib/site_perl/5.005/i686-linux");
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[832] | 34 | }
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| 35 |
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[15894] | 36 | use strict;
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[1241] | 37 | use unicode;
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| 38 | use util;
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[27306] | 39 | use FileUtils;
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[1241] | 40 | use ghtml;
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[8220] | 41 | use File::stat;
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[1241] | 42 | ##use hashdoc;
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[13172] | 43 | use docprint;
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[1241] | 44 |
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[4] | 45 | # the document type may be indexed_doc, nonindexed_doc, or
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| 46 | # classification
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| 47 |
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[18528] | 48 | our $OIDcount = 0;
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[2327] | 49 |
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[20412] | 50 | # rename_method can be 'url', 'none', 'base64'
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[4] | 51 | sub new {
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| 52 | my $class = shift (@_);
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[18319] | 53 | my ($source_filename, $doc_type, $rename_method) = @_;
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[1374] | 54 |
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[13770] | 55 |
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[1241] | 56 | my $self = bless {'associated_files'=>[],
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| 57 | 'subsection_order'=>[],
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| 58 | 'next_subsection'=>1,
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| 59 | 'subsections'=>{},
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| 60 | 'metadata'=>[],
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[2327] | 61 | 'text'=>"",
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| 62 | 'OIDtype'=>"hash"}, $class;
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[4] | 63 |
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[10217] | 64 | # used to set lastmodified here, but this can screw up the HASH ids, so
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| 65 | # the docsave processor now calls set_lastmodified
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[13770] | 66 |
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[23362] | 67 | $self->set_source_path($source_filename);
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[10217] | 68 |
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[7929] | 69 | if (defined $source_filename) {
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[15874] | 70 | $source_filename = &util::filename_within_collection($source_filename);
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[18508] | 71 | print STDERR "****** doc.pm::new(): no file rename method provided\n" unless $rename_method;
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[18319] | 72 | $self->set_source_filename ($source_filename, $rename_method);
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[7929] | 73 | }
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| 74 |
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[1374] | 75 | $self->set_doc_type ($doc_type) if defined $doc_type;
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[485] | 76 |
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[4] | 77 | return $self;
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| 78 | }
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[23362] | 79 |
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| 80 |
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| 81 | sub set_source_path
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| 82 | {
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| 83 | my $self = shift @_;
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| 84 | my ($source_filename) = @_;
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| 85 |
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| 86 | if (defined $source_filename) {
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| 87 | # On Windows the source_filename can be in terse DOS format
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| 88 | # e.g. test~1.txt
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| 89 |
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| 90 | $self->{'terse_source_path'} = $source_filename;
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| 91 |
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[27306] | 92 | # Use the FileUtil library methods as they are aware of more special
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| 93 | # cases such as HDFS [jmt12]
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| 94 | ##if (&util::file_exists($source_filename)) {
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[23362] | 95 | if (-e $source_filename) {
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| 96 | # See if we can do better for Windows with a filename
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| 97 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
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| 98 | require Win32;
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| 99 | $self->{'source_path'} = Win32::GetLongPathName($source_filename);
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| 100 | }
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| 101 | else {
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| 102 | # For Unix-based systems, there is no difference between the two
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| 103 | $self->{'source_path'} = $source_filename;
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| 104 | }
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| 105 | }
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| 106 | else {
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| 107 | print STDERR "Warning: In doc::set_source_path(), file\n";
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| 108 | print STDERR " $source_filename\n";
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| 109 | print STDERR " does not exist\n";
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| 110 |
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| 111 | # (default) Set it to whatever we were given
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| 112 | $self->{'source_path'} = $source_filename;
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| 113 | }
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| 114 | }
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| 115 | else {
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| 116 | # Previous code for setting source_path allowed for
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| 117 | # it to be undefined, so continue this practice
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| 118 | $self->{'terse_source_path'} = undef;
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| 119 | $self->{'source_path'} = undef;
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| 120 | }
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| 121 | }
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| 122 |
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| 123 |
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| 124 | sub get_source_path
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| 125 | {
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| 126 | my $self = shift @_;
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| 127 |
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| 128 | return $self->{'terse_source_path'};
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| 129 | }
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| 130 |
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[10217] | 131 | # set lastmodified for OAI purposes, added by GRB, moved by kjdon
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[23939] | 132 | sub set_oailastmodified {
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| 133 | my $self = shift (@_);
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| 134 |
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| 135 | my $source_path = $self->{'terse_source_path'};
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| 136 |
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| 137 | if (defined $source_path && (-e $source_path)) {
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| 138 | my $current_time = time;
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| 139 |
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| 140 | my ($seconds, $minutes, $hours, $day_of_month, $month, $year,
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| 141 | $wday, $yday, $isdst) = localtime($current_time);
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| 142 |
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| 143 | my $date_modified = sprintf("%d%02d%02d",1900+$year,$month+1,$day_of_month);
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| 144 |
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| 145 | $self->add_utf8_metadata($self->get_top_section(), "oailastmodified", $current_time);
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| 146 | $self->add_utf8_metadata($self->get_top_section(), "oailastmodifieddate", $date_modified);
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| 147 | }
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| 148 | }
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| 149 |
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| 150 | # no longer used for OAI purposes, since lastmodified is not what we want as the
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| 151 | # Datestamp of a document. This doc metadata may be useful for general purposes.
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[10217] | 152 | sub set_lastmodified {
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| 153 | my $self = shift (@_);
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[4] | 154 |
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[23362] | 155 | my $source_path = $self->{'terse_source_path'};
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[13770] | 156 |
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| 157 | if (defined $source_path && (-e $source_path)) {
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| 158 |
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| 159 | my $file_stat = stat($source_path);
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[10217] | 160 | my $mtime = $file_stat->mtime;
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[21862] | 161 | my ($seconds, $minutes, $hours, $day_of_month, $month, $year,
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| 162 | $wday, $yday, $isdst) = localtime($mtime);
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| 163 |
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| 164 | my $date_modified = sprintf("%d%02d%02d",1900+$year,$month+1,$day_of_month);
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| 165 |
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[23923] | 166 | $self->add_utf8_metadata($self->get_top_section(), "lastmodified", $mtime);
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[21862] | 167 | $self->add_utf8_metadata($self->get_top_section(), "lastmodifieddate", $date_modified);
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[10217] | 168 | }
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| 169 | }
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| 170 |
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[1241] | 171 | # clone the $self object
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| 172 | sub duplicate {
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| 173 | my $self = shift (@_);
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| 174 |
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| 175 | my $newobj = {};
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| 176 |
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[8716] | 177 | foreach my $k (keys %$self) {
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[1241] | 178 | $newobj->{$k} = &clone ($self->{$k});
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| 179 | }
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| 180 |
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| 181 | bless $newobj, ref($self);
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| 182 | return $newobj;
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| 183 | }
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| 184 |
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| 185 | sub clone {
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| 186 | my ($from) = @_;
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| 187 | my $type = ref ($from);
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| 188 |
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| 189 | if ($type eq "HASH") {
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| 190 | my $to = {};
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[8716] | 191 | foreach my $key (keys %$from) {
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[1241] | 192 | $to->{$key} = &clone ($from->{$key});
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| 193 | }
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| 194 | return $to;
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| 195 | } elsif ($type eq "ARRAY") {
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| 196 | my $to = [];
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[8716] | 197 | foreach my $v (@$from) {
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[1241] | 198 | push (@$to, &clone ($v));
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| 199 | }
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| 200 | return $to;
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| 201 | } else {
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| 202 | return $from;
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| 203 | }
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| 204 | }
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| 205 |
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[2327] | 206 | sub set_OIDtype {
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| 207 | my $self = shift (@_);
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[12268] | 208 | my ($type, $metadata) = @_;
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[1241] | 209 |
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[26536] | 210 | if (defined $type && $type =~ /^(hash|hash_on_file|hash_on_ga_xml|hash_on_full_filename|incremental|filename|dirname|full_filename|assigned)$/) {
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[2327] | 211 | $self->{'OIDtype'} = $type;
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| 212 | } else {
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| 213 | $self->{'OIDtype'} = "hash";
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| 214 | }
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[16792] | 215 |
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[12268] | 216 | if ($type =~ /^assigned$/) {
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| 217 | if (defined $metadata) {
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| 218 | $self->{'OIDmetadata'} = $metadata;
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| 219 | } else {
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| 220 | $self->{'OIDmetadata'} = "dc.Identifier";
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| 221 | }
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| 222 | }
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[2327] | 223 | }
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| 224 |
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[20412] | 225 | # rename_method can be 'url', 'none', 'base64'
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[1241] | 226 | sub set_source_filename {
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| 227 | my $self = shift (@_);
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[18319] | 228 | my ($source_filename, $rename_method) = @_;
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[1241] | 229 |
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[16578] | 230 | # Since the gsdlsourcefilename element goes into the doc.xml it has
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| 231 | # to be utf8. However, it should also *represent* the source filename
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| 232 | # (in the import directory) which may not be utf8 at all.
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[18319] | 233 | # For instance, if this meta element (gsdlsourcefilename) will be used
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| 234 | # by other applications that parse doc.xml in order to locate
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| 235 | # gsdlsourcefilename. Therefore, the solution is to URLencode or base64
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| 236 | # encode the real filename as this is a binary-to-text encoding meaning
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| 237 | # that the resulting string is ASCII (utf8). Decoding will give the original.
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[16578] | 238 |
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[18319] | 239 | # print STDERR "******URL/base64 encoding the gsdl_source_filename $source_filename ";
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| 240 |
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[16670] | 241 | # URLencode just the gsdl_source_filename, not the directory. Then prepend dir
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[23278] | 242 | $source_filename = $self->encode_filename($source_filename, $rename_method);
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| 243 | # my ($srcfilename,$dirname,$suffix)
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| 244 | # = &File::Basename::fileparse($source_filename, "\\.[^\\.]+\$");
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[16792] | 245 | # print STDERR "-> $srcfilename -> ";
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[23278] | 246 | # $srcfilename = &util::rename_file($srcfilename.$suffix, $rename_method);
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[27306] | 247 | # $source_filename = &FileUtils::filenameConcatenate($dirname, $srcfilename);
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[16792] | 248 | # print STDERR "$source_filename\n";
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[16670] | 249 |
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[16578] | 250 | $self->set_utf8_metadata_element ($self->get_top_section(),
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[1241] | 251 | "gsdlsourcefilename",
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| 252 | $source_filename);
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| 253 | }
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| 254 |
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[23278] | 255 | sub encode_filename {
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| 256 | my $self = shift (@_);
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| 257 | my ($source_filename, $rename_method) = @_;
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| 258 |
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| 259 | my ($srcfilename,$dirname,$suffix)
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| 260 | = &File::Basename::fileparse($source_filename, "\\.[^\\.]+\$");
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| 261 | # print STDERR "-> $srcfilename -> ";
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| 262 | $srcfilename = &util::rename_file($srcfilename.$suffix, $rename_method);
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[27306] | 263 | $source_filename = &FileUtils::filenameConcatenate($dirname, $srcfilename);
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[23278] | 264 |
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| 265 | return $source_filename;
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| 266 | }
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| 267 |
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[7569] | 268 | sub set_converted_filename {
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| 269 | my $self = shift (@_);
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| 270 | my ($converted_filename) = @_;
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| 271 |
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[16578] | 272 | # we know the converted filename is utf8
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| 273 | $self->set_utf8_metadata_element ($self->get_top_section(),
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[7569] | 274 | "gsdlconvertedfilename",
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| 275 | $converted_filename);
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| 276 | }
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| 277 |
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[1241] | 278 | # returns the source_filename as it was provided
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[19829] | 279 | sub get_unmodified_source_filename {
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| 280 | my $self = shift (@_);
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| 281 |
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[23362] | 282 | return $self->{'terse_source_path'};
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[19829] | 283 | }
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| 284 |
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| 285 | # returns the source_filename with whatever rename_method was given
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[1241] | 286 | sub get_source_filename {
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| 287 | my $self = shift (@_);
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| 288 |
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| 289 | return $self->get_metadata_element ($self->get_top_section(), "gsdlsourcefilename");
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| 290 | }
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| 291 |
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[19829] | 292 |
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| 293 |
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[7569] | 294 | # returns converted filename if available else returns source filename
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| 295 | sub get_filename_for_hashing {
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| 296 | my $self = shift (@_);
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| 297 |
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| 298 | my $filename = $self->get_metadata_element ($self->get_top_section(), "gsdlconvertedfilename");
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| 299 |
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| 300 | if (!defined $filename) {
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[11097] | 301 | my $plugin_name = $self->get_metadata_element ($self->get_top_section(), "Plugin");
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[10980] | 302 | # if NULPlug processed file, then don't give a filename
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[11097] | 303 | if (defined $plugin_name && $plugin_name eq "NULPlug") {
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[10980] | 304 | $filename = undef;
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[16670] | 305 | } else { # returns the URL encoded source filename!
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[10980] | 306 | $filename = $self->get_metadata_element ($self->get_top_section(), "gsdlsourcefilename");
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| 307 | }
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[7569] | 308 | }
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[23485] | 309 |
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[27306] | 310 | if (!&FileUtils::isFilenameAbsolute($filename)) {
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| 311 | $filename = &FileUtils::filenameConcatenate($ENV{'GSDLCOLLECTDIR'},$filename);
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[23485] | 312 | }
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| 313 |
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[7569] | 314 | return $filename;
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| 315 | }
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| 316 |
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[1241] | 317 | sub set_doc_type {
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| 318 | my $self = shift (@_);
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| 319 | my ($doc_type) = @_;
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| 320 |
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| 321 | $self->set_metadata_element ($self->get_top_section(),
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| 322 | "gsdldoctype",
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| 323 | $doc_type);
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| 324 | }
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| 325 |
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[10217] | 326 | # returns the gsdldoctype as it was provided
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[1241] | 327 | # the default of "indexed_doc" is used if no document
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| 328 | # type was provided
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| 329 | sub get_doc_type {
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| 330 | my $self = shift (@_);
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| 331 |
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| 332 | my $doc_type = $self->get_metadata_element ($self->get_top_section(), "gsdldoctype");
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| 333 | return $doc_type if (defined $doc_type);
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| 334 | return "indexed_doc";
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| 335 | }
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| 336 |
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| 337 |
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| 338 | # look up the reference to the a particular section
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| 339 | sub _lookup_section {
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| 340 | my $self = shift (@_);
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| 341 | my ($section) = @_;
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| 342 |
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| 343 | my ($num);
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| 344 | my $sectionref = $self;
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| 345 |
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| 346 | while (defined $section && $section ne "") {
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[12327] | 347 |
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[1241] | 348 | ($num, $section) = $section =~ /^\.?(\d+)(.*)$/;
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[12327] | 349 |
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| 350 | $num =~ s/^0+(\d)/$1/ if defined $num ; # remove leading 0s
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| 351 |
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[1241] | 352 | $section = "" unless defined $section;
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| 353 |
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[12327] | 354 |
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[1241] | 355 | if (defined $num && defined $sectionref->{'subsections'}->{$num}) {
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| 356 | $sectionref = $sectionref->{'subsections'}->{$num};
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| 357 | } else {
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| 358 | return undef;
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| 359 | }
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| 360 | }
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| 361 |
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| 362 | return $sectionref;
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| 363 | }
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| 364 |
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[2327] | 365 | # calculate OID by hashing the contents of the document
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[1241] | 366 | sub _calc_OID {
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| 367 | my $self = shift (@_);
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| 368 | my ($filename) = @_;
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| 369 |
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[22855] | 370 |
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[1241] | 371 | my $osexe = &util::get_os_exe();
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| 372 |
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[27306] | 373 | my $hashfile_exe = &FileUtils::filenameConcatenate($ENV{'GSDLHOME'},"bin",
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[1241] | 374 | $ENV{'GSDLOS'},"hashfile$osexe");
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[8504] | 375 |
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[1241] | 376 | my $result = "NULL";
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[22855] | 377 |
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[1679] | 378 |
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[1241] | 379 | if (-e "$hashfile_exe") {
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[1679] | 380 | # $result = `\"$hashfile_exe\" \"$filename\"`;
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[21862] | 381 | # $result = `hashfile$osexe \"$filename\" 2>&1`;
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[1679] | 382 | $result = `hashfile$osexe \"$filename\"`;
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[21862] | 383 |
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[1241] | 384 | ($result) = $result =~ /:\s*([0-9a-f]+)/i;
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| 385 | } else {
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| 386 | print STDERR "doc::_calc_OID $hashfile_exe could not be found\n";
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| 387 | }
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| 388 | return "HASH$result";
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| 389 | }
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| 390 |
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| 391 | # methods dealing with OID, not groups of them.
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| 392 |
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[2327] | 393 | # if $OID is not provided one is calculated
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[1241] | 394 | sub set_OID {
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| 395 | my $self = shift (@_);
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| 396 | my ($OID) = @_;
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[8504] | 397 |
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[8797] | 398 | my $use_hash_oid = 0;
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[17057] | 399 | # if an OID wasn't provided calculate one
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[1241] | 400 | if (!defined $OID) {
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| 401 | $OID = "NULL";
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[17025] | 402 | if ($self->{'OIDtype'} =~ /^hash/) {
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[8797] | 403 | $use_hash_oid = 1;
|
---|
| 404 | } elsif ($self->{'OIDtype'} eq "incremental") {
|
---|
[2327] | 405 | $OID = "D" . $OIDcount;
|
---|
| 406 | $OIDcount ++;
|
---|
[26221] | 407 | } elsif ($self->{'OIDtype'} eq "filename") {
|
---|
| 408 | my $filename = $self->get_source_filename();
|
---|
| 409 | $OID = &File::Basename::fileparse($filename, qr/\.[^.]*/);
|
---|
| 410 | $OID = &util::tidy_up_oid($OID);
|
---|
[26536] | 411 | } elsif ($self->{'OIDtype'} eq "full_filename") {
|
---|
| 412 | my $source_filename = $self->get_source_filename();
|
---|
| 413 | my $dirsep = &util::get_os_dirsep();
|
---|
| 414 |
|
---|
| 415 | $source_filename =~ s/^import$dirsep//;
|
---|
| 416 | $source_filename =~ s/$dirsep/-/g;
|
---|
| 417 | $source_filename =~ s/\./_/g;
|
---|
| 418 |
|
---|
| 419 | $OID = $source_filename;
|
---|
| 420 | $OID = &util::tidy_up_oid($OID);
|
---|
[8716] | 421 | } elsif ($self->{'OIDtype'} eq "dirname") {
|
---|
| 422 | my $filename = $self->get_source_filename();
|
---|
[8797] | 423 | if (defined($filename)) { # && -e $filename) {
|
---|
[27350] | 424 | # get the immediate parent directory
|
---|
[8716] | 425 | $OID = &File::Basename::dirname($filename);
|
---|
| 426 | if (defined $OID) {
|
---|
[27350] | 427 | $OID = &File::Basename::basename($OID);
|
---|
[19617] | 428 | $OID = &util::tidy_up_oid($OID);
|
---|
[8716] | 429 | } else {
|
---|
[8797] | 430 | print STDERR "Failed to find base for filename ($filename)...generating hash id\n";
|
---|
| 431 | $use_hash_oid = 1;
|
---|
[8716] | 432 | }
|
---|
| 433 | } else {
|
---|
[27350] | 434 | print STDERR "Failed to find a filename, generating hash id\n";
|
---|
[8797] | 435 | $use_hash_oid = 1;
|
---|
[8716] | 436 | }
|
---|
[2327] | 437 |
|
---|
[8797] | 438 | } elsif ($self->{'OIDtype'} eq "assigned") {
|
---|
[12268] | 439 | my $identifier = $self->get_metadata_element ($self->get_top_section(), $self->{'OIDmetadata'});
|
---|
[8797] | 440 | if (defined $identifier && $identifier ne "") {
|
---|
[17025] | 441 | $OID = $identifier;
|
---|
[19617] | 442 | $OID = &util::tidy_up_oid($OID);
|
---|
[8797] | 443 | } else {
|
---|
| 444 | # need a hash id
|
---|
[12268] | 445 | print STDERR "no $self->{'OIDmetadata'} metadata found, generating hash id\n";
|
---|
[8797] | 446 | $use_hash_oid = 1;
|
---|
| 447 | }
|
---|
| 448 |
|
---|
[2327] | 449 | } else {
|
---|
[8797] | 450 | $use_hash_oid = 1;
|
---|
| 451 | }
|
---|
| 452 |
|
---|
| 453 | if ($use_hash_oid) {
|
---|
[23562] | 454 | my $hash_on_file = 1;
|
---|
[26536] | 455 | my $hash_on_ga_xml = 0;
|
---|
| 456 |
|
---|
[17025] | 457 | if ($self->{'OIDtype'} eq "hash_on_ga_xml") {
|
---|
| 458 | $hash_on_file = 0;
|
---|
[26536] | 459 | $hash_on_ga_xml = 1;
|
---|
[17025] | 460 | }
|
---|
[26536] | 461 |
|
---|
| 462 | if ($self->{'OIDtype'} eq "hash_on_full_filename") {
|
---|
| 463 | $hash_on_file = 0;
|
---|
| 464 | $hash_on_ga_xml = 0;
|
---|
| 465 |
|
---|
| 466 | my $source_filename = $self->get_source_filename();
|
---|
| 467 | my $dirsep = &util::get_os_dirsep();
|
---|
| 468 |
|
---|
| 469 | $source_filename =~ s/^import$dirsep//;
|
---|
| 470 | $source_filename =~ s/$dirsep/-/g;
|
---|
| 471 | $source_filename =~ s/\./_/g;
|
---|
| 472 |
|
---|
| 473 | # If the filename is very short then (handled naively)
|
---|
| 474 | # this can cause conjestion in the hash-values
|
---|
| 475 | # computed, leading documents sharing the same leading
|
---|
| 476 | # Hex values in the computed has.
|
---|
| 477 | #
|
---|
| 478 | # The solution taken here is to replace the name of
|
---|
| 479 | # the file name a sufficient number of times (up to
|
---|
| 480 | # the character limit defined in 'rep_limit' and
|
---|
| 481 | # make that the content that is hashed on
|
---|
| 482 |
|
---|
| 483 | # *** Think twice before changing the following value
|
---|
| 484 | # as it will break backward compatability of computed
|
---|
| 485 | # document HASH values
|
---|
| 486 |
|
---|
| 487 | my $rep_limit = 256;
|
---|
| 488 | my $hash_content = undef;
|
---|
| 489 |
|
---|
| 490 | if (length($source_filename)<$rep_limit) {
|
---|
| 491 | my $rep_string = "$source_filename|";
|
---|
| 492 | my $rs_len = length($rep_string);
|
---|
| 493 |
|
---|
| 494 | my $clone_times = int(($rep_limit-1)/$rs_len) +1;
|
---|
| 495 |
|
---|
| 496 | $hash_content = substr($rep_string x $clone_times, 0, $rep_limit);
|
---|
| 497 | }
|
---|
| 498 | else {
|
---|
| 499 | $hash_content = $source_filename;
|
---|
| 500 | }
|
---|
| 501 |
|
---|
| 502 | my $filename = &util::get_tmp_filename();
|
---|
| 503 | if (!open (OUTFILE, ">:utf8", $filename)) {
|
---|
| 504 | print STDERR "doc::set_OID could not write to $filename\n";
|
---|
| 505 | } else {
|
---|
| 506 | print OUTFILE $hash_content;
|
---|
| 507 | close (OUTFILE);
|
---|
| 508 | }
|
---|
| 509 | $OID = $self->_calc_OID ($filename);
|
---|
| 510 |
|
---|
| 511 | &util::rm ($filename);
|
---|
| 512 | }
|
---|
| 513 |
|
---|
[17025] | 514 | if ($hash_on_file) {
|
---|
| 515 | # "hash" OID - feed file to hashfile.exe
|
---|
| 516 | my $filename = $self->get_filename_for_hashing();
|
---|
[23562] | 517 |
|
---|
[17025] | 518 | # -z: don't want to hash on the file if it is zero size
|
---|
| 519 | if (defined($filename) && -e $filename && !-z $filename) {
|
---|
| 520 | $OID = $self->_calc_OID ($filename);
|
---|
| 521 | } else {
|
---|
[26536] | 522 | $hash_on_ga_xml = 1; # switch to back-up plan, and hash on GA file instead
|
---|
[17025] | 523 | }
|
---|
| 524 | }
|
---|
[26536] | 525 |
|
---|
| 526 | if ($hash_on_ga_xml) {
|
---|
| 527 | # In addition being asked to explicity calculate the has based on the GA file,
|
---|
| 528 | # can also end up coming into this block is doing 'hash_on_file' but the file
|
---|
| 529 | # itself is of zero bytes (as could be the case with 'doc.nul' file
|
---|
| 530 |
|
---|
[17025] | 531 | my $filename = &util::get_tmp_filename();
|
---|
[22855] | 532 | if (!open (OUTFILE, ">:utf8", $filename)) {
|
---|
[2327] | 533 | print STDERR "doc::set_OID could not write to $filename\n";
|
---|
| 534 | } else {
|
---|
[13172] | 535 | my $doc_text = &docprint::get_section_xml($self, $self->get_top_section());
|
---|
| 536 | print OUTFILE $doc_text;
|
---|
[2327] | 537 | close (OUTFILE);
|
---|
| 538 | }
|
---|
| 539 | $OID = $self->_calc_OID ($filename);
|
---|
| 540 | &util::rm ($filename);
|
---|
[1374] | 541 | }
|
---|
[1241] | 542 | }
|
---|
| 543 | }
|
---|
| 544 | $self->set_metadata_element ($self->get_top_section(), "Identifier", $OID);
|
---|
| 545 | }
|
---|
| 546 |
|
---|
| 547 | # this uses hashdoc (embedded c thingy) which is faster but still
|
---|
| 548 | # needs a little work to be suffiently stable
|
---|
| 549 | sub ___set_OID {
|
---|
| 550 | my $self = shift (@_);
|
---|
| 551 | my ($OID) = @_;
|
---|
| 552 |
|
---|
| 553 | # if an OID wasn't provided then calculate hash value based on document
|
---|
| 554 | if (!defined $OID)
|
---|
| 555 | {
|
---|
[13172] | 556 | my $hash_text = &docprint::get_section_xml($self, $self->get_top_section());
|
---|
[1241] | 557 | my $hash_len = length($hash_text);
|
---|
| 558 |
|
---|
| 559 | $OID = &hashdoc::buffer($hash_text,$hash_len);
|
---|
| 560 | }
|
---|
| 561 |
|
---|
| 562 | $self->set_metadata_element ($self->get_top_section(), "Identifier", $OID);
|
---|
| 563 | }
|
---|
| 564 |
|
---|
| 565 | # returns the OID for this document
|
---|
| 566 | sub get_OID {
|
---|
| 567 | my $self = shift (@_);
|
---|
| 568 | my $OID = $self->get_metadata_element ($self->get_top_section(), "Identifier");
|
---|
| 569 | return $OID if (defined $OID);
|
---|
| 570 | return "NULL";
|
---|
| 571 | }
|
---|
| 572 |
|
---|
| 573 | sub delete_OID {
|
---|
| 574 | my $self = shift (@_);
|
---|
| 575 |
|
---|
| 576 | $self->set_metadata_element ($self->get_top_section(), "Identifier", "NULL");
|
---|
| 577 | }
|
---|
| 578 |
|
---|
| 579 |
|
---|
| 580 | # methods for manipulating section names
|
---|
| 581 |
|
---|
| 582 | # returns the name of the top-most section (the top
|
---|
| 583 | # level of the document
|
---|
| 584 | sub get_top_section {
|
---|
| 585 | my $self = shift (@_);
|
---|
| 586 |
|
---|
| 587 | return "";
|
---|
| 588 | }
|
---|
| 589 |
|
---|
| 590 | # returns a section
|
---|
| 591 | sub get_parent_section {
|
---|
| 592 | my $self = shift (@_);
|
---|
| 593 | my ($section) = @_;
|
---|
| 594 |
|
---|
| 595 | $section =~ s/(^|\.)\d+$//;
|
---|
| 596 |
|
---|
| 597 | return $section;
|
---|
| 598 | }
|
---|
| 599 |
|
---|
| 600 | # returns the first child section (or the end child
|
---|
| 601 | # if there isn't any)
|
---|
| 602 | sub get_begin_child {
|
---|
| 603 | my $self = shift (@_);
|
---|
| 604 | my ($section) = @_;
|
---|
| 605 |
|
---|
| 606 | my $section_ptr = $self->_lookup_section($section);
|
---|
| 607 | return "" unless defined $section_ptr;
|
---|
| 608 |
|
---|
| 609 | if (defined $section_ptr->{'subsection_order'}->[0]) {
|
---|
| 610 | return "$section.$section_ptr->{'subsection_order'}->[0]";
|
---|
| 611 | }
|
---|
| 612 |
|
---|
| 613 | return $self->get_end_child ($section);
|
---|
| 614 | }
|
---|
| 615 |
|
---|
| 616 | # returns the next child of a parent section
|
---|
| 617 | sub get_next_child {
|
---|
| 618 | my $self = shift (@_);
|
---|
| 619 | my ($section) = @_;
|
---|
| 620 |
|
---|
| 621 | my $parent_section = $self->get_parent_section($section);
|
---|
| 622 | my $parent_section_ptr = $self->_lookup_section($parent_section);
|
---|
| 623 | return undef unless defined $parent_section_ptr;
|
---|
| 624 |
|
---|
| 625 | my ($section_num) = $section =~ /(\d+)$/;
|
---|
| 626 | return undef unless defined $section_num;
|
---|
| 627 |
|
---|
| 628 | my $i = 0;
|
---|
| 629 | my $section_order = $parent_section_ptr->{'subsection_order'};
|
---|
| 630 | while ($i < scalar(@$section_order)) {
|
---|
| 631 | last if $section_order->[$i] eq $section_num;
|
---|
| 632 | $i++;
|
---|
| 633 | }
|
---|
| 634 |
|
---|
| 635 | $i++; # the next child
|
---|
| 636 | if ($i < scalar(@$section_order)) {
|
---|
| 637 | return $section_order->[$i] if $parent_section eq "";
|
---|
| 638 | return "$parent_section.$section_order->[$i]";
|
---|
| 639 | }
|
---|
| 640 |
|
---|
| 641 | # no more sections in this level
|
---|
| 642 | return undef;
|
---|
| 643 | }
|
---|
| 644 |
|
---|
| 645 | # returns a reference to a list of children
|
---|
| 646 | sub get_children {
|
---|
| 647 | my $self = shift (@_);
|
---|
| 648 | my ($section) = @_;
|
---|
| 649 |
|
---|
| 650 | my $section_ptr = $self->_lookup_section($section);
|
---|
| 651 | return [] unless defined $section_ptr;
|
---|
| 652 |
|
---|
| 653 | my @children = @{$section_ptr->{'subsection_order'}};
|
---|
| 654 |
|
---|
| 655 | map {$_ = "$section.$_"; $_ =~ s/^\.+//;} @children;
|
---|
| 656 | return \@children;
|
---|
| 657 | }
|
---|
| 658 |
|
---|
| 659 | # returns the child section one past the last one (which
|
---|
| 660 | # is coded as "0")
|
---|
| 661 | sub get_end_child {
|
---|
| 662 | my $self = shift (@_);
|
---|
| 663 | my ($section) = @_;
|
---|
| 664 |
|
---|
| 665 | return $section . ".0" unless $section eq "";
|
---|
| 666 | return "0";
|
---|
| 667 | }
|
---|
| 668 |
|
---|
| 669 | # returns the next section in book order
|
---|
| 670 | sub get_next_section {
|
---|
| 671 | my $self = shift (@_);
|
---|
| 672 | my ($section) = @_;
|
---|
| 673 |
|
---|
| 674 | return undef unless defined $section;
|
---|
| 675 |
|
---|
| 676 | my $section_ptr = $self->_lookup_section($section);
|
---|
| 677 | return undef unless defined $section_ptr;
|
---|
| 678 |
|
---|
| 679 | # first try to find first child
|
---|
| 680 | if (defined $section_ptr->{'subsection_order'}->[0]) {
|
---|
| 681 | return $section_ptr->{'subsection_order'}->[0] if ($section eq "");
|
---|
| 682 | return "$section.$section_ptr->{'subsection_order'}->[0]";
|
---|
| 683 | }
|
---|
| 684 |
|
---|
| 685 | do {
|
---|
| 686 | # try to find sibling
|
---|
| 687 | my $next_child = $self->get_next_child ($section);
|
---|
| 688 | return $next_child if (defined $next_child);
|
---|
| 689 |
|
---|
| 690 | # move up one level
|
---|
| 691 | $section = $self->get_parent_section ($section);
|
---|
| 692 | } while $section =~ /\d/;
|
---|
| 693 |
|
---|
| 694 | return undef;
|
---|
| 695 | }
|
---|
| 696 |
|
---|
| 697 | sub is_leaf_section {
|
---|
| 698 | my $self = shift (@_);
|
---|
| 699 | my ($section) = @_;
|
---|
| 700 |
|
---|
| 701 | my $section_ptr = $self->_lookup_section($section);
|
---|
| 702 | return 1 unless defined $section_ptr;
|
---|
| 703 |
|
---|
| 704 | return (scalar (@{$section_ptr->{'subsection_order'}}) == 0);
|
---|
| 705 | }
|
---|
| 706 |
|
---|
| 707 | # methods for dealing with sections
|
---|
| 708 |
|
---|
| 709 | # returns the name of the inserted section
|
---|
| 710 | sub insert_section {
|
---|
| 711 | my $self = shift (@_);
|
---|
| 712 | my ($before_section) = @_;
|
---|
| 713 |
|
---|
| 714 | # get the child to insert before and its parent section
|
---|
| 715 | my $parent_section = "";
|
---|
| 716 | my $before_child = "0";
|
---|
| 717 | my @before_section = split (/\./, $before_section);
|
---|
| 718 | if (scalar(@before_section) > 0) {
|
---|
| 719 | $before_child = pop (@before_section);
|
---|
| 720 | $parent_section = join (".", @before_section);
|
---|
| 721 | }
|
---|
| 722 |
|
---|
| 723 | my $parent_section_ptr = $self->_lookup_section($parent_section);
|
---|
| 724 | if (!defined $parent_section_ptr) {
|
---|
| 725 | print STDERR "doc::insert_section couldn't find parent section " .
|
---|
| 726 | "$parent_section\n";
|
---|
| 727 | return;
|
---|
| 728 | }
|
---|
| 729 |
|
---|
| 730 | # get the next section number
|
---|
| 731 | my $section_num = $parent_section_ptr->{'next_subsection'}++;
|
---|
| 732 |
|
---|
| 733 | my $i = 0;
|
---|
| 734 | while ($i < scalar(@{$parent_section_ptr->{'subsection_order'}}) &&
|
---|
| 735 | $parent_section_ptr->{'subsection_order'}->[$i] ne $before_child) {
|
---|
| 736 | $i++;
|
---|
| 737 | }
|
---|
| 738 |
|
---|
| 739 | # insert the section number into the order list
|
---|
| 740 | splice (@{$parent_section_ptr->{'subsection_order'}}, $i, 0, $section_num);
|
---|
| 741 |
|
---|
| 742 | # add this section to the parent section
|
---|
| 743 | my $section_ptr = {'subsection_order'=>[],
|
---|
| 744 | 'next_subsection'=>1,
|
---|
| 745 | 'subsections'=>{},
|
---|
| 746 | 'metadata'=>[],
|
---|
| 747 | 'text'=>""};
|
---|
| 748 | $parent_section_ptr->{'subsections'}->{$section_num} = $section_ptr;
|
---|
| 749 |
|
---|
| 750 | # work out the full section number
|
---|
| 751 | my $section = $parent_section;
|
---|
| 752 | $section .= "." unless $section eq "";
|
---|
| 753 | $section .= $section_num;
|
---|
| 754 |
|
---|
| 755 | return $section;
|
---|
| 756 | }
|
---|
| 757 |
|
---|
| 758 | # creates a pre-named section
|
---|
| 759 | sub create_named_section {
|
---|
| 760 | my $self = shift (@_);
|
---|
| 761 | my ($mastersection) = @_;
|
---|
| 762 |
|
---|
| 763 | my ($num);
|
---|
| 764 | my $section = $mastersection;
|
---|
| 765 | my $sectionref = $self;
|
---|
| 766 |
|
---|
| 767 | while ($section ne "") {
|
---|
| 768 | ($num, $section) = $section =~ /^\.?(\d+)(.*)$/;
|
---|
| 769 | $num =~ s/^0+(\d)/$1/; # remove leading 0s
|
---|
| 770 | $section = "" unless defined $section;
|
---|
| 771 |
|
---|
| 772 | if (defined $num) {
|
---|
| 773 | if (!defined $sectionref->{'subsections'}->{$num}) {
|
---|
| 774 | push (@{$sectionref->{'subsection_order'}}, $num);
|
---|
| 775 | $sectionref->{'subsections'}->{$num} = {'subsection_order'=>[],
|
---|
| 776 | 'next_subsection'=>1,
|
---|
| 777 | 'subsections'=>{},
|
---|
| 778 | 'metadata'=>[],
|
---|
| 779 | 'text'=>""};
|
---|
| 780 | if ($num >= $sectionref->{'next_subsection'}) {
|
---|
| 781 | $sectionref->{'next_subsection'} = $num + 1;
|
---|
| 782 | }
|
---|
| 783 | }
|
---|
| 784 | $sectionref = $sectionref->{'subsections'}->{$num};
|
---|
| 785 |
|
---|
| 786 | } else {
|
---|
| 787 | print STDERR "doc::create_named_section couldn't create section ";
|
---|
| 788 | print STDERR "$mastersection\n";
|
---|
| 789 | last;
|
---|
| 790 | }
|
---|
| 791 | }
|
---|
| 792 | }
|
---|
| 793 |
|
---|
| 794 | # returns a reference to a list of subsections
|
---|
| 795 | sub list_subsections {
|
---|
| 796 | my $self = shift (@_);
|
---|
| 797 | my ($section) = @_;
|
---|
| 798 |
|
---|
| 799 | my $section_ptr = $self->_lookup_section ($section);
|
---|
| 800 | if (!defined $section_ptr) {
|
---|
| 801 | print STDERR "doc::list_subsections couldn't find section $section\n";
|
---|
| 802 | return [];
|
---|
| 803 | }
|
---|
| 804 |
|
---|
| 805 | return [@{$section_ptr->{'subsection_order'}}];
|
---|
| 806 | }
|
---|
| 807 |
|
---|
| 808 | sub delete_section {
|
---|
| 809 | my $self = shift (@_);
|
---|
| 810 | my ($section) = @_;
|
---|
| 811 |
|
---|
| 812 | # my $section_ptr = {'subsection_order'=>[],
|
---|
| 813 | # 'next_subsection'=>1,
|
---|
| 814 | # 'subsections'=>{},
|
---|
| 815 | # 'metadata'=>[],
|
---|
| 816 | # 'text'=>""};
|
---|
| 817 |
|
---|
| 818 | # if this is the top section reset everything
|
---|
| 819 | if ($section eq "") {
|
---|
| 820 | $self->{'subsection_order'} = [];
|
---|
| 821 | $self->{'subsections'} = {};
|
---|
| 822 | $self->{'metadata'} = [];
|
---|
| 823 | $self->{'text'} = "";
|
---|
| 824 | return;
|
---|
| 825 | }
|
---|
| 826 |
|
---|
| 827 | # find the parent of the section to delete
|
---|
| 828 | my $parent_section = "";
|
---|
| 829 | my $child = "0";
|
---|
| 830 | my @section = split (/\./, $section);
|
---|
| 831 | if (scalar(@section) > 0) {
|
---|
| 832 | $child = pop (@section);
|
---|
| 833 | $parent_section = join (".", @section);
|
---|
| 834 | }
|
---|
| 835 |
|
---|
| 836 | my $parent_section_ptr = $self->_lookup_section($parent_section);
|
---|
| 837 | if (!defined $parent_section_ptr) {
|
---|
| 838 | print STDERR "doc::delete_section couldn't find parent section " .
|
---|
| 839 | "$parent_section\n";
|
---|
| 840 | return;
|
---|
| 841 | }
|
---|
| 842 |
|
---|
| 843 | # remove this section from the subsection_order list
|
---|
| 844 | my $i = 0;
|
---|
| 845 | while ($i < scalar (@{$parent_section_ptr->{'subsection_order'}})) {
|
---|
| 846 | if ($parent_section_ptr->{'subsection_order'}->[$i] eq $child) {
|
---|
| 847 | splice (@{$parent_section_ptr->{'subsection_order'}}, $i, 1);
|
---|
| 848 | last;
|
---|
| 849 | }
|
---|
| 850 | $i++;
|
---|
| 851 | }
|
---|
| 852 |
|
---|
| 853 | # remove this section from the subsection hash
|
---|
| 854 | if (defined ($parent_section_ptr->{'subsections'}->{$child})) {
|
---|
| 855 | undef $parent_section_ptr->{'subsections'}->{$child};
|
---|
| 856 | }
|
---|
| 857 | }
|
---|
| 858 |
|
---|
| 859 | #--
|
---|
[4] | 860 | # methods for dealing with metadata
|
---|
| 861 |
|
---|
| 862 | # set_metadata_element and get_metadata_element are for metadata
|
---|
| 863 | # which should only have one value. add_meta_data and get_metadata
|
---|
| 864 | # are for metadata which can have more than one value.
|
---|
| 865 |
|
---|
[1241] | 866 | # returns the first metadata value which matches field
|
---|
[6111] | 867 |
|
---|
| 868 | # This version of get metadata element works much like the one above,
|
---|
| 869 | # except it allows for the namespace portion of a metadata element to
|
---|
| 870 | # be ignored, thus if you are searching for dc.Title, the first piece
|
---|
| 871 | # of matching metadata ending with the name Title (once any namespace
|
---|
| 872 | # is removed) would be returned.
|
---|
| 873 | # 28-11-2003 John Thompson
|
---|
[1241] | 874 | sub get_metadata_element {
|
---|
| 875 | my $self = shift (@_);
|
---|
[6111] | 876 | my ($section, $field, $ignore_namespace) = @_;
|
---|
[1241] | 877 | my ($data);
|
---|
| 878 |
|
---|
[6111] | 879 | $ignore_namespace = 0 unless defined $ignore_namespace;
|
---|
| 880 |
|
---|
[1241] | 881 | my $section_ptr = $self->_lookup_section($section);
|
---|
| 882 | if (!defined $section_ptr) {
|
---|
[8716] | 883 | print STDERR "doc::get_metadata_element couldn't find section ", $section, "\n";
|
---|
[1241] | 884 | return;
|
---|
| 885 | }
|
---|
| 886 |
|
---|
[24404] | 887 | # Remove any namespace if we are being told to ignore them
|
---|
[6111] | 888 | if($ignore_namespace) {
|
---|
[24404] | 889 | $field =~ s/^.*\.//; #$field =~ s/^\w*\.//;
|
---|
[6111] | 890 | }
|
---|
| 891 |
|
---|
[1241] | 892 | foreach $data (@{$section_ptr->{'metadata'}}) {
|
---|
[6111] | 893 |
|
---|
| 894 | my $data_name = $data->[0];
|
---|
[14966] | 895 |
|
---|
[24404] | 896 | # Remove any namespace if we are being told to ignore them
|
---|
[6111] | 897 | if($ignore_namespace) {
|
---|
[24404] | 898 | $data_name =~ s/^.*\.//; #$data_name =~ s/^\w*\.//;
|
---|
[6111] | 899 | }
|
---|
[24404] | 900 | # we always remove ex. (but not any subsequent namespace) - ex. maybe there in doc_obj, but we will never ask for it.
|
---|
| 901 | $data_name =~ s/^ex\.([^.]+)$/$1/; #$data_name =~ s/^ex\.//;
|
---|
| 902 |
|
---|
[6111] | 903 | return $data->[1] if (scalar(@$data) >= 2 && $data_name eq $field);
|
---|
[1241] | 904 | }
|
---|
| 905 |
|
---|
| 906 | return undef; # was not found
|
---|
| 907 | }
|
---|
| 908 |
|
---|
| 909 | # returns a list of the form [value1, value2, ...]
|
---|
| 910 | sub get_metadata {
|
---|
| 911 | my $self = shift (@_);
|
---|
[6111] | 912 | my ($section, $field, $ignore_namespace) = @_;
|
---|
[1241] | 913 | my ($data);
|
---|
| 914 |
|
---|
[6111] | 915 | $ignore_namespace = 0 unless defined $ignore_namespace;
|
---|
| 916 |
|
---|
[1241] | 917 | my $section_ptr = $self->_lookup_section($section);
|
---|
| 918 | if (!defined $section_ptr) {
|
---|
[8716] | 919 | print STDERR "doc::get_metadata couldn't find section ",
|
---|
| 920 | $section, "\n";
|
---|
[1241] | 921 | return;
|
---|
| 922 | }
|
---|
| 923 |
|
---|
[24404] | 924 | # Remove any namespace if we are being told to ignore them
|
---|
[6111] | 925 | if($ignore_namespace) {
|
---|
[24404] | 926 | $field =~ s/^.*\.//;
|
---|
[6111] | 927 | }
|
---|
| 928 |
|
---|
[1241] | 929 | my @metadata = ();
|
---|
| 930 | foreach $data (@{$section_ptr->{'metadata'}}) {
|
---|
[6111] | 931 |
|
---|
| 932 | my $data_name = $data->[0];
|
---|
[24404] | 933 |
|
---|
| 934 | # Remove any namespace if we are being told to ignore them
|
---|
[6111] | 935 | if($ignore_namespace) {
|
---|
[24404] | 936 | $data_name =~ s/^.*\.//;
|
---|
| 937 | }
|
---|
| 938 | # we always remove ex. (but not any subsequent namespace) - ex. maybe there in doc_obj, but we will never ask for it.
|
---|
| 939 | $data_name =~ s/^ex\.([^.]+)$/$1/;
|
---|
| 940 |
|
---|
[6111] | 941 | push (@metadata, $data->[1]) if ($data_name eq $field);
|
---|
[1241] | 942 | }
|
---|
[9241] | 943 |
|
---|
[1241] | 944 | return \@metadata;
|
---|
| 945 | }
|
---|
| 946 |
|
---|
[23827] | 947 | sub get_metadata_hashmap {
|
---|
| 948 | my $self = shift (@_);
|
---|
| 949 | my ($section, $opt_namespace) = @_;
|
---|
| 950 |
|
---|
| 951 | my $section_ptr = $self->_lookup_section($section);
|
---|
| 952 | if (!defined $section_ptr) {
|
---|
| 953 | print STDERR "doc::get_metadata couldn't find section ",
|
---|
| 954 | $section, "\n";
|
---|
| 955 | return;
|
---|
| 956 | }
|
---|
| 957 |
|
---|
| 958 | my $metadata_hashmap = {};
|
---|
| 959 | foreach my $data (@{$section_ptr->{'metadata'}}) {
|
---|
| 960 | my $metaname = $data->[0];
|
---|
| 961 |
|
---|
| 962 | if ((!defined $opt_namespace) || ($metaname =~ m/^$opt_namespace\./)) {
|
---|
| 963 | if (!defined $metadata_hashmap->{$metaname}) {
|
---|
| 964 | $metadata_hashmap->{$metaname} = [];
|
---|
| 965 | }
|
---|
| 966 | my $metaval_list = $metadata_hashmap->{$metaname};
|
---|
| 967 | push(@$metaval_list, $data->[1]);
|
---|
| 968 | }
|
---|
| 969 | }
|
---|
| 970 |
|
---|
| 971 | return $metadata_hashmap;
|
---|
| 972 | }
|
---|
| 973 |
|
---|
[1241] | 974 | # returns a list of the form [[field,value],[field,value],...]
|
---|
| 975 | sub get_all_metadata {
|
---|
| 976 | my $self = shift (@_);
|
---|
| 977 | my ($section) = @_;
|
---|
| 978 |
|
---|
| 979 | my $section_ptr = $self->_lookup_section($section);
|
---|
| 980 | if (!defined $section_ptr) {
|
---|
[8716] | 981 | print STDERR "doc::get_all_metadata couldn't find section ", $section, "\n";
|
---|
[1241] | 982 | return;
|
---|
| 983 | }
|
---|
| 984 |
|
---|
| 985 | return $section_ptr->{'metadata'};
|
---|
| 986 | }
|
---|
| 987 |
|
---|
| 988 | # $value is optional
|
---|
| 989 | sub delete_metadata {
|
---|
| 990 | my $self = shift (@_);
|
---|
| 991 | my ($section, $field, $value) = @_;
|
---|
| 992 |
|
---|
| 993 | my $section_ptr = $self->_lookup_section($section);
|
---|
| 994 | if (!defined $section_ptr) {
|
---|
[23562] | 995 | print STDERR "doc::delete_metadata couldn't find section ", $section, "$field\n";
|
---|
[1241] | 996 | return;
|
---|
| 997 | }
|
---|
| 998 |
|
---|
| 999 | my $i = 0;
|
---|
| 1000 | while ($i < scalar (@{$section_ptr->{'metadata'}})) {
|
---|
| 1001 | if (($section_ptr->{'metadata'}->[$i]->[0] eq $field) &&
|
---|
| 1002 | (!defined $value || $section_ptr->{'metadata'}->[$i]->[1] eq $value)) {
|
---|
| 1003 | splice (@{$section_ptr->{'metadata'}}, $i, 1);
|
---|
| 1004 | } else {
|
---|
| 1005 | $i++;
|
---|
| 1006 | }
|
---|
| 1007 | }
|
---|
| 1008 | }
|
---|
| 1009 |
|
---|
| 1010 | sub delete_all_metadata {
|
---|
| 1011 | my $self = shift (@_);
|
---|
| 1012 | my ($section) = @_;
|
---|
| 1013 |
|
---|
| 1014 | my $section_ptr = $self->_lookup_section($section);
|
---|
| 1015 | if (!defined $section_ptr) {
|
---|
[8716] | 1016 | print STDERR "doc::delete_all_metadata couldn't find section ", $section, "\n";
|
---|
[1241] | 1017 | return;
|
---|
| 1018 | }
|
---|
| 1019 |
|
---|
| 1020 | $section_ptr->{'metadata'} = [];
|
---|
| 1021 | }
|
---|
| 1022 |
|
---|
[4] | 1023 | sub set_metadata_element {
|
---|
| 1024 | my $self = shift (@_);
|
---|
| 1025 | my ($section, $field, $value) = @_;
|
---|
| 1026 |
|
---|
[97] | 1027 | $self->set_utf8_metadata_element ($section, $field,
|
---|
[1870] | 1028 | &unicode::ascii2utf8(\$value));
|
---|
[73] | 1029 | }
|
---|
| 1030 |
|
---|
| 1031 | # set_utf8_metadata_element assumes the text has already been
|
---|
| 1032 | # converted to the UTF-8 encoding.
|
---|
| 1033 | sub set_utf8_metadata_element {
|
---|
| 1034 | my $self = shift (@_);
|
---|
| 1035 | my ($section, $field, $value) = @_;
|
---|
[25557] | 1036 |
|
---|
[4] | 1037 | $self->delete_metadata ($section, $field);
|
---|
[73] | 1038 | $self->add_utf8_metadata ($section, $field, $value);
|
---|
[4] | 1039 | }
|
---|
| 1040 |
|
---|
| 1041 |
|
---|
[73] | 1042 | # add_metadata assumes the text is in (extended) ascii form. For
|
---|
[8220] | 1043 | # text which has already been converted to the UTF-8 format use
|
---|
[73] | 1044 | # add_utf8_metadata.
|
---|
[4] | 1045 | sub add_metadata {
|
---|
| 1046 | my $self = shift (@_);
|
---|
| 1047 | my ($section, $field, $value) = @_;
|
---|
[25557] | 1048 |
|
---|
[97] | 1049 | $self->add_utf8_metadata ($section, $field,
|
---|
[1870] | 1050 | &unicode::ascii2utf8(\$value));
|
---|
[73] | 1051 | }
|
---|
| 1052 |
|
---|
| 1053 | sub add_utf8_metadata {
|
---|
| 1054 | my $self = shift (@_);
|
---|
| 1055 | my ($section, $field, $value) = @_;
|
---|
[25557] | 1056 |
|
---|
| 1057 | # my ($cpackage,$cfilename,$cline,$csubr,$chas_args,$cwantarray) = caller(1);
|
---|
| 1058 | # my ($lcfilename) = ($cfilename =~ m/([^\\\/]*)$/);
|
---|
| 1059 | # print STDERR "** Calling method: $lcfilename:$cline $cpackage->$csubr\n";
|
---|
[73] | 1060 |
|
---|
[4] | 1061 | my $section_ptr = $self->_lookup_section($section);
|
---|
| 1062 | if (!defined $section_ptr) {
|
---|
[8716] | 1063 | print STDERR "doc::add_utf8_metadata couldn't find section ", $section, "\n";
|
---|
[4] | 1064 | return;
|
---|
| 1065 | }
|
---|
[1732] | 1066 | if (!defined $value) {
|
---|
| 1067 | print STDERR "doc::add_utf8_metadata undefined value for $field\n";
|
---|
| 1068 | return;
|
---|
| 1069 | }
|
---|
| 1070 | if (!defined $field) {
|
---|
| 1071 | print STDERR "doc::add_utf8_metadata undefined metadata type \n";
|
---|
| 1072 | return;
|
---|
| 1073 | }
|
---|
[4] | 1074 |
|
---|
[8894] | 1075 | #print STDERR "###$field=$value\n";
|
---|
[22950] | 1076 |
|
---|
| 1077 | # For now, supress this check. Given that text data read in is now
|
---|
| 1078 | # Unicode aware, then the following block of code can (ironically enough)
|
---|
| 1079 | # cause our unicode compliant string to be re-encoded (leading to
|
---|
| 1080 | # a double-encoded UTF-8 string, which we definitely don't want!).
|
---|
| 1081 |
|
---|
| 1082 |
|
---|
[7798] | 1083 | # double check that the value is utf-8
|
---|
[25557] | 1084 | # if (!&unicode::check_is_utf8($value)) {
|
---|
| 1085 | # print STDERR "doc::add_utf8_metadata - warning: '$field''s value $value wasn't utf8.";
|
---|
| 1086 | # &unicode::ensure_utf8(\$value);
|
---|
| 1087 | # print STDERR " Tried converting to utf8: $value\n";
|
---|
| 1088 | # }
|
---|
[7798] | 1089 |
|
---|
[25557] | 1090 | #If the metadata value is either a latitude or a longitude value then we want to save a shortened version for spacial searching purposes
|
---|
[26850] | 1091 | if ($field =~ m/^(.+\.)?Latitude$/ || $field =~ m/^(.+\.)?Longitude$/)
|
---|
[25557] | 1092 | {
|
---|
[26850] | 1093 | my ($mdprefix,$metaname) = ($field =~ m/(.+)\.(.+)$/);
|
---|
| 1094 | if (defined $mdprefix) {
|
---|
| 1095 | # Add in a version of Latitude/Longitude without the metadata namespace prefix to keep Runtime happy
|
---|
| 1096 | push (@{$section_ptr->{'metadata'}}, [$metaname, $value]);
|
---|
| 1097 | }
|
---|
| 1098 |
|
---|
[25557] | 1099 | my $direction;
|
---|
| 1100 | if($value =~ m/^-/)
|
---|
| 1101 | {
|
---|
| 1102 | $direction = ($field eq "Latitude") ? "S" : "W";
|
---|
| 1103 | }
|
---|
| 1104 | else
|
---|
| 1105 | {
|
---|
| 1106 | $direction = ($field eq "Latitude") ? "N" : "E";
|
---|
| 1107 | }
|
---|
| 1108 |
|
---|
| 1109 | my ($beforeDec, $afterDec) = ($value =~ m/^-?([0-9]+)\.([0-9]+)$/);
|
---|
| 1110 | if(defined $beforeDec && defined $afterDec)
|
---|
| 1111 | {
|
---|
| 1112 | my $name = ($field eq "Latitude") ? "LatShort" : "LngShort";
|
---|
| 1113 | push (@{$section_ptr->{'metadata'}}, [$name, $beforeDec . $direction]);
|
---|
| 1114 |
|
---|
| 1115 | for(my $i = 2; $i <= 4; $i++)
|
---|
| 1116 | {
|
---|
| 1117 | if(length($afterDec) >= $i)
|
---|
| 1118 | {
|
---|
| 1119 | push (@{$section_ptr->{'metadata'}}, [$name, substr($afterDec, 0, $i)]);
|
---|
| 1120 | }
|
---|
| 1121 | }
|
---|
| 1122 |
|
---|
| 1123 | #Only add the metadata if it has not already been added
|
---|
| 1124 | my $metaMap = $self->get_metadata_hashmap($section);
|
---|
| 1125 | }
|
---|
| 1126 | }
|
---|
| 1127 |
|
---|
[4] | 1128 | push (@{$section_ptr->{'metadata'}}, [$field, $value]);
|
---|
| 1129 | }
|
---|
| 1130 |
|
---|
| 1131 |
|
---|
| 1132 | # methods for dealing with text
|
---|
| 1133 |
|
---|
[1241] | 1134 | # returns the text for a section
|
---|
| 1135 | sub get_text {
|
---|
| 1136 | my $self = shift (@_);
|
---|
| 1137 | my ($section) = @_;
|
---|
| 1138 |
|
---|
| 1139 | my $section_ptr = $self->_lookup_section($section);
|
---|
| 1140 | if (!defined $section_ptr) {
|
---|
| 1141 | print STDERR "doc::get_text couldn't find section " .
|
---|
| 1142 | "$section\n";
|
---|
| 1143 | return "";
|
---|
| 1144 | }
|
---|
| 1145 |
|
---|
| 1146 | return $section_ptr->{'text'};
|
---|
| 1147 | }
|
---|
| 1148 |
|
---|
| 1149 | # returns the (utf-8 encoded) length of the text for a section
|
---|
| 1150 | sub get_text_length {
|
---|
| 1151 | my $self = shift (@_);
|
---|
| 1152 | my ($section) = @_;
|
---|
| 1153 |
|
---|
| 1154 | my $section_ptr = $self->_lookup_section($section);
|
---|
| 1155 | if (!defined $section_ptr) {
|
---|
| 1156 | print STDERR "doc::get_text_length couldn't find section " .
|
---|
| 1157 | "$section\n";
|
---|
| 1158 | return 0;
|
---|
| 1159 | }
|
---|
| 1160 |
|
---|
| 1161 | return length ($section_ptr->{'text'});
|
---|
| 1162 | }
|
---|
| 1163 |
|
---|
[23131] | 1164 | # returns the total length for all the sections
|
---|
| 1165 | sub get_total_text_length {
|
---|
| 1166 | my $self = shift (@_);
|
---|
| 1167 |
|
---|
| 1168 | my $section = $self->get_top_section();
|
---|
| 1169 | my $length = 0;
|
---|
| 1170 | while (defined $section) {
|
---|
| 1171 | $length += $self->get_text_length($section);
|
---|
| 1172 | $section = $self->get_next_section($section);
|
---|
| 1173 | }
|
---|
| 1174 | return $length;
|
---|
| 1175 | }
|
---|
| 1176 |
|
---|
[1241] | 1177 | sub delete_text {
|
---|
| 1178 | my $self = shift (@_);
|
---|
| 1179 | my ($section) = @_;
|
---|
| 1180 |
|
---|
| 1181 | my $section_ptr = $self->_lookup_section($section);
|
---|
| 1182 | if (!defined $section_ptr) {
|
---|
| 1183 | print STDERR "doc::delete_text couldn't find section " .
|
---|
| 1184 | "$section\n";
|
---|
| 1185 | return;
|
---|
| 1186 | }
|
---|
| 1187 |
|
---|
| 1188 | $section_ptr->{'text'} = "";
|
---|
| 1189 | }
|
---|
| 1190 |
|
---|
[73] | 1191 | # add_text assumes the text is in (extended) ascii form. For
|
---|
| 1192 | # text which has been already converted to the UTF-8 format
|
---|
| 1193 | # use add_utf8_text.
|
---|
[4] | 1194 | sub add_text {
|
---|
| 1195 | my $self = shift (@_);
|
---|
| 1196 | my ($section, $text) = @_;
|
---|
| 1197 |
|
---|
[73] | 1198 | # convert the text to UTF-8 encoded unicode characters
|
---|
| 1199 | # and add the text
|
---|
[1870] | 1200 | $self->add_utf8_text($section, &unicode::ascii2utf8(\$text));
|
---|
[73] | 1201 | }
|
---|
| 1202 |
|
---|
| 1203 |
|
---|
| 1204 | # add_utf8_text assumes the text to be added has already
|
---|
| 1205 | # been converted to the UTF-8 encoding. For ascii text use
|
---|
| 1206 | # add_text
|
---|
| 1207 | sub add_utf8_text {
|
---|
| 1208 | my $self = shift (@_);
|
---|
| 1209 | my ($section, $text) = @_;
|
---|
| 1210 |
|
---|
[4] | 1211 | my $section_ptr = $self->_lookup_section($section);
|
---|
| 1212 | if (!defined $section_ptr) {
|
---|
[73] | 1213 | print STDERR "doc::add_utf8_text couldn't find section " .
|
---|
[4] | 1214 | "$section\n";
|
---|
| 1215 | return;
|
---|
| 1216 | }
|
---|
| 1217 |
|
---|
| 1218 | $section_ptr->{'text'} .= $text;
|
---|
| 1219 | }
|
---|
| 1220 |
|
---|
[16950] | 1221 | # returns the Source meta, which is the utf8 filename generated.
|
---|
| 1222 | # Added a separate method here for convenience
|
---|
| 1223 | sub get_source {
|
---|
[16924] | 1224 | my $self = shift (@_);
|
---|
[16950] | 1225 | return $self->get_metadata_element ($self->get_top_section(), "Source");
|
---|
| 1226 | }
|
---|
| 1227 |
|
---|
| 1228 | # returns the SourceFile meta, which is the url reference to the URL-encoded
|
---|
| 1229 | # version of Source (the utf8 filename). Added a separate method here for convenience
|
---|
| 1230 | sub get_sourcefile {
|
---|
| 1231 | my $self = shift (@_);
|
---|
| 1232 | return $self->get_metadata_element ($self->get_top_section(), "SourceFile");
|
---|
| 1233 | }
|
---|
| 1234 |
|
---|
| 1235 | # Get the actual name of the assocfile, a url-encoded string derived from SourceFile.
|
---|
| 1236 | # The SourceFile meta is the (escaped) url reference to the url-encoded assocfile.
|
---|
| 1237 | sub get_assocfile_from_sourcefile {
|
---|
| 1238 | my $self = shift (@_);
|
---|
[16924] | 1239 |
|
---|
| 1240 | # get the SourceFile meta, which is a *URL* to a file on the filesystem
|
---|
| 1241 | my $top_section = $self->get_top_section();
|
---|
| 1242 | my $source_file = $self->get_metadata_element($top_section, "SourceFile");
|
---|
[4] | 1243 |
|
---|
[16924] | 1244 | # get the actual filename as it exists on the filesystem which this url refers to
|
---|
[16928] | 1245 | $source_file = &unicode::url_to_filename($source_file);
|
---|
[16924] | 1246 | my ($assocfilename) = $source_file =~ /([^\\\/]+)$/;
|
---|
| 1247 | return $assocfilename;
|
---|
| 1248 | }
|
---|
| 1249 |
|
---|
[1241] | 1250 | # methods for dealing with associated files
|
---|
| 1251 |
|
---|
| 1252 | # a file is associated with a document, NOT a section.
|
---|
| 1253 | # if section is defined it is noted in the data structure
|
---|
| 1254 | # only so that files associated from a particular section
|
---|
| 1255 | # may be removed later (using delete_section_assoc_files)
|
---|
| 1256 | sub associate_file {
|
---|
| 1257 | my $self = shift (@_);
|
---|
| 1258 | my ($real_filename, $assoc_filename, $mime_type, $section) = @_;
|
---|
| 1259 | $mime_type = &ghtml::guess_mime_type ($real_filename) unless defined $mime_type;
|
---|
| 1260 |
|
---|
| 1261 | # remove all associated files with the same name
|
---|
| 1262 | $self->delete_assoc_file ($assoc_filename);
|
---|
[23413] | 1263 |
|
---|
| 1264 | # Too harsh a requirement
|
---|
| 1265 | # Definitely get HTML docs, for example, with some missing
|
---|
| 1266 | # support files
|
---|
| 1267 | # if (!&util::fd_exists($real_filename)) {
|
---|
| 1268 | # print STDERR "****** doc::associate_file(): Failed to find the file $real_filename\n";
|
---|
| 1269 | # exit -1;
|
---|
| 1270 | # }
|
---|
| 1271 |
|
---|
[23387] | 1272 | # print STDERR "**** is the following a UTF8 rep of *real* filename?\n $real_filename\n";
|
---|
| 1273 | # print STDERR "****##### so, ensure it is before storing?!?!?\n";
|
---|
| 1274 | ## my $utf8_filename = Encode::encode("utf8",$filename);
|
---|
| 1275 |
|
---|
[1241] | 1276 | push (@{$self->{'associated_files'}},
|
---|
| 1277 | [$real_filename, $assoc_filename, $mime_type, $section]);
|
---|
| 1278 | }
|
---|
| 1279 |
|
---|
| 1280 | # returns a list of associated files in the form
|
---|
| 1281 | # [[real_filename, assoc_filename, mimetype], ...]
|
---|
| 1282 | sub get_assoc_files {
|
---|
| 1283 | my $self = shift (@_);
|
---|
| 1284 |
|
---|
| 1285 | return $self->{'associated_files'};
|
---|
| 1286 | }
|
---|
| 1287 |
|
---|
[20775] | 1288 | # the following two methods used to keep track of original associated files
|
---|
| 1289 | # for incremental building. eg a txt file used by an item file does not end
|
---|
| 1290 | # up as an assoc file for the doc.xml, but it needs to be recorded as a source
|
---|
| 1291 | # file for incremental build
|
---|
| 1292 | sub associate_source_file {
|
---|
| 1293 | my $self = shift (@_);
|
---|
| 1294 | my ($full_filename) = @_;
|
---|
[19494] | 1295 |
|
---|
[20775] | 1296 | push (@{$self->{'source_assoc_files'}}, $full_filename);
|
---|
| 1297 |
|
---|
| 1298 | }
|
---|
| 1299 |
|
---|
| 1300 | sub get_source_assoc_files {
|
---|
| 1301 | my $self = shift (@_);
|
---|
| 1302 |
|
---|
| 1303 | return $self->{'source_assoc_files'};
|
---|
| 1304 |
|
---|
| 1305 |
|
---|
| 1306 | }
|
---|
[19494] | 1307 | sub metadata_file {
|
---|
| 1308 | my $self = shift (@_);
|
---|
| 1309 | my ($real_filename, $filename) = @_;
|
---|
| 1310 |
|
---|
| 1311 | push (@{$self->{'metadata_files'}},
|
---|
| 1312 | [$real_filename, $filename]);
|
---|
| 1313 | }
|
---|
| 1314 |
|
---|
[21566] | 1315 | # used for writing out the archiveinf-doc info database, to list all the metadata files
|
---|
[19494] | 1316 | sub get_meta_files {
|
---|
| 1317 | my $self = shift (@_);
|
---|
| 1318 |
|
---|
| 1319 | return $self->{'metadata_files'};
|
---|
| 1320 | }
|
---|
| 1321 |
|
---|
[1241] | 1322 | sub delete_section_assoc_files {
|
---|
| 1323 | my $self = shift (@_);
|
---|
| 1324 | my ($section) = @_;
|
---|
| 1325 |
|
---|
| 1326 | my $i=0;
|
---|
| 1327 | while ($i < scalar (@{$self->{'associated_files'}})) {
|
---|
| 1328 | if (defined $self->{'associated_files'}->[$i]->[3] &&
|
---|
| 1329 | $self->{'associated_files'}->[$i]->[3] eq $section) {
|
---|
| 1330 | splice (@{$self->{'associated_files'}}, $i, 1);
|
---|
| 1331 | } else {
|
---|
| 1332 | $i++;
|
---|
| 1333 | }
|
---|
| 1334 | }
|
---|
| 1335 | }
|
---|
| 1336 |
|
---|
| 1337 | sub delete_assoc_file {
|
---|
| 1338 | my $self = shift (@_);
|
---|
| 1339 | my ($assoc_filename) = @_;
|
---|
| 1340 |
|
---|
| 1341 | my $i=0;
|
---|
| 1342 | while ($i < scalar (@{$self->{'associated_files'}})) {
|
---|
| 1343 | if ($self->{'associated_files'}->[$i]->[1] eq $assoc_filename) {
|
---|
| 1344 | splice (@{$self->{'associated_files'}}, $i, 1);
|
---|
| 1345 | } else {
|
---|
| 1346 | $i++;
|
---|
| 1347 | }
|
---|
| 1348 | }
|
---|
| 1349 | }
|
---|
| 1350 |
|
---|
| 1351 | sub reset_nextsection_ptr {
|
---|
| 1352 | my $self = shift (@_);
|
---|
| 1353 | my ($section) = @_;
|
---|
| 1354 |
|
---|
| 1355 | my $section_ptr = $self->_lookup_section($section);
|
---|
| 1356 | $section_ptr->{'next_subsection'} = 1;
|
---|
| 1357 | }
|
---|
| 1358 |
|
---|
[4] | 1359 | 1;
|
---|