| 1 | ##########################################################################
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| 2 | #
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| 3 | # metadataaction.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) 2009 New Zealand Digital Library Project
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| 9 | #
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| 10 | # This program is free software; you can redistribute it and/or modify
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| 11 | # it under the terms of the GNU General Public License as published by
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| 12 | # the Free Software Foundation; either version 2 of the License, or
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| 13 | # (at your option) any later version.
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| 14 | #
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| 15 | # This program is distributed in the hope that it will be useful,
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| 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 18 | # GNU General Public License for more details.
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| 19 | #
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| 20 | # You should have received a copy of the GNU General Public License
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| 21 | # along with this program; if not, write to the Free Software
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| 22 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 23 | #
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| 24 | ###########################################################################
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| 25 |
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| 26 | package metadataaction;
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| 27 |
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| 28 | use strict;
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| 29 |
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| 30 | use cgiactions::baseaction;
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| 31 | use cgiactions::metadataactioncommon;
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| 32 |
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| 33 | use dbutil;
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| 34 | use ghtml;
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| 35 |
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| 36 | use JSON;
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| 37 |
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| 38 | # convenient to have shorter version around
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| 39 | my $FLDV_HISTORY_DIR = $metadataactioncommon::FLDV_HISTORY_DIR;
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| 40 |
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| 41 | # This class is conditionally expanded with set-metadata, remove-metadata and insert-metadata subroutines
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| 42 | # defined in modmetadataaction.pm. The BEGIN code block determines whether the condition holds.
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| 43 | # See
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| 44 | # http://stackoverflow.com/questions/3998619/what-is-the-role-of-the-begin-block-in-perl
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| 45 | # http://www.perlmonks.org/?node_id=881761 - splitting module into multiple files
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| 46 | # http://www.perlmonks.org/?node_id=524456 - merging hashes
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| 47 |
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| 48 | our $modmeta_action_table; # don't init to empty hash here, else it will overwrite whatever BEGIN sets this to
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| 49 | # see http://stackoverflow.com/questions/3998619/what-is-the-role-of-the-begin-block-in-perl
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| 50 |
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| 51 | BEGIN {
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| 52 | # unshift (@INC, "$ENV{'GSDLHOME'}/perllib/cpan/perl-5.8");
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| 53 | require XML::Rules;
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| 54 |
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| 55 | # if we're GS3, then GS3_AUTHENTICATED must be defined and set to true
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| 56 | # in order to have access to subroutines that modify metadata (the set-
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| 57 | # and remove- metadata subroutines).
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| 58 | # TODO: if we're GS2, then we continue to behave as before?
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| 59 |
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| 60 | if(!defined $ENV{'GSDL3HOME'} || (defined $ENV{'GS3_AUTHENTICATED'} && $ENV{'GS3_AUTHENTICATED'} eq "true")) {
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| 61 | require modmetadataaction;
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| 62 | }
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| 63 | else {
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| 64 | $modmeta_action_table = {};
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| 65 | }
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| 66 | }
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| 67 |
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| 68 | @metadataaction::ISA = ('baseaction');
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| 69 |
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| 70 |
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| 71 | my $getmeta_action_table =
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| 72 | {
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| 73 | # unused and untested
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| 74 | # when DocEdit=1, need to retrieve a doc's full text (or doc section's full text) from archives
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| 75 | "get-archives-text" => {
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| 76 | 'compulsory-args' => [ "d" ],
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| 77 | 'optional-args' => [ "dv" ]
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| 78 | #'compulsory-args' => [ "d" ],
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| 79 | #'optional-args' => [ "section" ] },
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| 80 | },
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| 81 |
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| 82 | #GET METHODS
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| 83 | "get-import-metadata" => {
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| 84 | 'compulsory-args' => [ "d", "metaname" ],
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| 85 | 'optional-args' => [ "metapos" ]
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| 86 | },
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| 87 |
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| 88 | "get-archives-metadata" => {
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| 89 | 'compulsory-args' => [ "d", "metaname" ],
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| 90 | 'optional-args' => [ "dv", "metapos" ]
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| 91 | },
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| 92 |
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| 93 | "get-archives-assocfile" => {
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| 94 | 'compulsory-args' => [ "d", "assocname" ],
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| 95 | 'optional-args' => [ "dv" ]
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| 96 | },
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| 97 |
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| 98 | "get-index-metadata" => {
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| 99 | 'compulsory-args' => [ "d", "metaname" ],
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| 100 | 'optional-args' => [ "metapos" ]
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| 101 | },
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| 102 |
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| 103 | "get-metadata" => { # alias for get-index-metadata
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| 104 | 'compulsory-args' => [ "d", "metaname" ],
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| 105 | 'optional-args' => [ "metapos" ]
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| 106 | },
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| 107 |
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| 108 | "get-live-metadata" => {
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| 109 | 'compulsory-args' => [ "d", "metaname" ],
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| 110 | 'optional-args' => [ ]
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| 111 | },
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| 112 |
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| 113 | "get-metadata-array" => { # where param can be ONE of: index (default), import, archives, live
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| 114 | 'compulsory-args' => [ "json" ],
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| 115 | 'optional-args' => [ "where" ],
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| 116 | 'help-string' => [
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| 117 | 'metadata-server.pl?a=get-metadata-array&c=demo&where=index&json=[{"docid":"HASHc5bce2d6d3e5b04e470ec9","metatable":[{"metaname":"username","metapos":"all"},{"metaname":"usertimestamp","metapos":"all"}, {"metaname":"usercomment","metapos":"all"}]}]' ]
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| 118 | },
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| 119 |
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| 120 | "get-fldv-info" => {
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| 121 | 'compulsory-args' => [ "d", ],
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| 122 | 'optional-args' => [ ],
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| 123 | 'help-string' => [
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| 124 | "fldv is short for file-level document-version history. It refers to the filesystem level approach Greenstone takes to keeping a document version history of the documents formed in the 'archives' directory. When collection is imported with -keepold, for example, any existing documents in the archives area get 'bundled up' as a subfolder called 'nminus-1' within the newly formed document. If there is an existing 'nminus-1' subdirectory then this is moved to nminus-2 prior to forming a new 'nminus-1'. And so on.",
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| 125 | "Calling this action returns in JSON formated the array of 'nminus-<n>' subdirectories that a particular document has." ]
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| 126 | }
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| 127 | };
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| 128 |
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| 129 |
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| 130 | # To get the final action_table of all available subroutines in this class,
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| 131 | # merge the get- and mod-metadata hashes. See http://www.perlmonks.org/?node_id=524456
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| 132 | # Note that modmeta_action_table will be empty of subroutines if the user does not have permissions
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| 133 | # to modify metadata.
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| 134 | my $action_table = { %$getmeta_action_table, %$modmeta_action_table };
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| 135 |
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| 136 |
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| 137 | sub new
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| 138 | {
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| 139 | my $class = shift (@_);
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| 140 | my ($gsdl_cgi,$iis6_mode) = @_;
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| 141 |
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| 142 | # Treat metavalue specially. To transmit this through a GET request
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| 143 | # the Javascript side has url-encoded it, so here we need to decode
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| 144 | # it before proceeding
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| 145 |
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| 146 | my $url_encoded_metavalue = $gsdl_cgi->param("metavalue");
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| 147 | my $url_decoded_metavalue = &unicode::url_decode($url_encoded_metavalue,1);
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| 148 | #$gsdl_cgi->generate_message("@@@ metaaction new - DEBUG before utf82unicode: " . &unicode::debug_unicode_string($url_decoded_metavalue));
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| 149 |
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| 150 | my $unicode_array = &unicode::utf82unicode($url_decoded_metavalue);
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| 151 |
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| 152 | $url_decoded_metavalue = join("",map(chr($_),@$unicode_array));
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| 153 |
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| 154 | #$gsdl_cgi->generate_message("@@@ metaaction new - DEBUG after utf82unicode: " . &unicode::debug_unicode_string($url_decoded_metavalue));
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| 155 |
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| 156 | $gsdl_cgi->param("metavalue",$url_decoded_metavalue);
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| 157 |
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| 158 | # need to do the same with prevmetavalue
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| 159 | my $url_encoded_prevmetavalue = $gsdl_cgi->param("prevmetavalue");
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| 160 | my $url_decoded_prevmetavalue = &unicode::url_decode($url_encoded_prevmetavalue,1);
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| 161 | my $prevunicode_array = &unicode::utf82unicode($url_decoded_prevmetavalue);
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| 162 |
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| 163 | $url_decoded_prevmetavalue = join("",map(chr($_),@$prevunicode_array));
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| 164 | $gsdl_cgi->param("prevmetavalue",$url_decoded_prevmetavalue);
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| 165 |
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| 166 | my $self = new baseaction($action_table,$gsdl_cgi,$iis6_mode);
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| 167 |
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| 168 | return bless $self, $class;
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| 169 | }
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| 170 |
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| 171 |
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| 172 | sub get_live_metadata
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| 173 | {
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| 174 | my $self = shift @_;
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| 175 |
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| 176 | my $username = $self->{'username'};
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| 177 | my $collect = $self->{'collect'};
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| 178 | my $gsdl_cgi = $self->{'gsdl_cgi'};
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| 179 | #my $gsdlhome = $self->{'gsdlhome'};
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| 180 | my $infodbtype = $self->{'infodbtype'};
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| 181 |
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| 182 | # live metadata gets/saves value scoped (prefixed) by the current usename
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| 183 | # so (for now) let's not bother to enforce authentication
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| 184 |
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| 185 | # Obtain the collect dir
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| 186 | my $site = $self->{'site'};
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| 187 | my $collect_dir = $gsdl_cgi->get_collection_dir($site);
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| 188 | ## my $collect_dir = &util::filename_cat($gsdlhome, "collect");
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| 189 |
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| 190 | # No locking collection when getting metadata, only when setting it
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| 191 | # $self->lock_collection($username, $collect); # Make sure the collection isn't locked by someone else
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| 192 |
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| 193 | # look up additional args
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| 194 | my $docid = $self->{'d'};
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| 195 | if ((!defined $docid) || ($docid =~ m/^\s*$/)) {
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| 196 | $gsdl_cgi->generate_error("No docid (d=...) specified.");
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| 197 | }
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| 198 |
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| 199 | # Generate the dbkey
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| 200 | my $metaname = $self->{'metaname'};
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| 201 | my $dbkey = "$docid.$metaname";
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| 202 |
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| 203 | # To people who know $collect_tail please add some comments
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| 204 | # Obtain path to the database
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| 205 | my $collect_tail = $collect;
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| 206 | $collect_tail =~ s/^.*[\/|\\]//;
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| 207 | my $index_text_directory = &util::filename_cat($collect_dir,$collect,"index","text");
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| 208 | my $infodb_file_path = &dbutil::get_infodb_file_path($infodbtype, "live-$collect_tail", $index_text_directory);
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| 209 |
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| 210 | # Obtain the content of the key
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| 211 | my $cmd = "gdbmget $infodb_file_path $dbkey";
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| 212 | if (open(GIN,"$cmd |") == 0) {
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| 213 | # Catch error if gdbmget failed
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| 214 | my $mess = "Failed to get metadata key: $metaname\n";
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| 215 | $mess .= "$!\n";
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| 216 |
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| 217 | $gsdl_cgi->generate_error($mess);
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| 218 | }
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| 219 | else {
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| 220 | binmode(GIN,":utf8");
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| 221 | # Read everything in and concatenate them into $metavalue
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| 222 | my $metavalue = "";
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| 223 | my $line;
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| 224 | while (defined ($line=<GIN>)) {
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| 225 | $metavalue .= $line;
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| 226 | }
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| 227 | close(GIN);
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| 228 | chomp($metavalue); # Get rid off the tailing newlines
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| 229 | $gsdl_cgi->generate_ok_message("$metavalue");
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| 230 | }
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| 231 |
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| 232 | # Release the lock once it is done
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| 233 | # $self->unlock_collection($username, $collect);
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| 234 | }
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| 235 |
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| 236 | # just calls the index version
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| 237 | sub get_metadata
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| 238 | {
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| 239 | my $self = shift @_;
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| 240 | $self->get_index_metadata(@_);
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| 241 | }
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| 242 |
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| 243 | # JSON version that will get the requested metadata values
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| 244 | # from the requested source (index, import, archives or live)
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| 245 | # One of the params is a JSON string and the return value is JSON too
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| 246 | # http://forums.asp.net/t/1844684.aspx/1 - Web api method return json in string
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| 247 | sub get_metadata_array
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| 248 | {
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| 249 | my $self = shift @_;
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| 250 |
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| 251 | my $where = $self->{'where'};
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| 252 | if (!$where || ($where =~ m/^\s*$/)) { # 0, "0", "" and undef are all false. All else is true.
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| 253 | # What is truth in perl: http://www.berkeleyinternet.com/perl/node11.html
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| 254 | # and http://www.perlmonks.org/?node_id=33638
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| 255 |
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| 256 | $where = "index"; # default behaviour is to get the values from index
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| 257 | }
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| 258 |
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| 259 | # Only when setting metadata do we perform authentication and do we lock the collection,
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| 260 | # not when getting metadata
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| 261 |
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| 262 | # for get_meta_array, the where param can only be ONE of import, archives, index, live
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| 263 | if($where =~ m/index/) {
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| 264 | $self->_get_index_metadata_array(@_);
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| 265 | }
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| 266 | elsif($where =~ m/archives/) {
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| 267 | $self->_get_archives_metadata_array(@_);
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| 268 | }
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| 269 | elsif($where =~ m/import/) {
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| 270 | $self->_get_import_metadata_array(@_);
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| 271 | }
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| 272 | elsif($where =~ m/live/) {
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| 273 | $self->_get_live_metadata_array(@_);
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| 274 | }
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| 275 | }
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| 276 |
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| 277 | # Unused at present. Added for completion. Tested.
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| 278 | sub _get_import_metadata_array {
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| 279 |
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| 280 | my $self = shift @_;
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| 281 |
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| 282 | my $collect = $self->{'collect'};
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| 283 | my $gsdl_cgi = $self->{'gsdl_cgi'};
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| 284 | my $site = $self->{'site'};
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| 285 | my $collect_dir = $gsdl_cgi->get_collection_dir($site);
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| 286 |
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| 287 | # look up additional args
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| 288 | my $infodbtype = $self->{'infodbtype'};
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| 289 |
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| 290 | my $archive_dir = &util::filename_cat($collect_dir, $collect, "archives");
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| 291 | my $arcinfo_doc_filename = &dbutil::get_infodb_file_path($infodbtype, "archiveinf-doc", $archive_dir);
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| 292 | my $json_str = $self->{'json'};
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| 293 | my $doc_array = decode_json $json_str;
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| 294 |
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| 295 | my $json_result_str = "[";
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| 296 | my $first_doc_rec = 1;
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| 297 | foreach my $doc_array_rec ( @$doc_array ) {
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| 298 |
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| 299 | my $docid = $doc_array_rec->{'docid'}; # no subsection metadata support in metadata.xml, only toplevel meta
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| 300 |
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| 301 | if($first_doc_rec) {
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| 302 | $first_doc_rec = 0;
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| 303 | } else {
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| 304 | $json_result_str .= ",";
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| 305 | }
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| 306 | $json_result_str = $json_result_str . "{\"docid\":\"" . $docid . "\"";
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| 307 |
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| 308 | my $metatable = $doc_array_rec->{'metatable'}; # a subarray, or need to generate an error saying JSON structure is wrong
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| 309 | $json_result_str = $json_result_str . ",\"metatable\":[";
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| 310 |
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| 311 | my $first_rec = 1;
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| 312 | foreach my $metatable_rec ( @$metatable ) { # the subarray metatable is an array of hashmaps
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| 313 |
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| 314 | # Read the docid entry
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| 315 | my $doc_rec = &dbutil::read_infodb_entry($infodbtype, $arcinfo_doc_filename, $docid);
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| 316 | # This now stores the full pathname
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| 317 | my $import_filename = $doc_rec->{'src-file'}->[0];
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| 318 | $import_filename = &util::placeholders_to_abspath($import_filename);
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| 319 |
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| 320 | # figure out correct metadata.xml file [?]
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| 321 | # Assuming the metadata.xml file is next to the source file
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| 322 | # Note: This will not work if it is using the inherited metadata from the parent folder
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| 323 | my ($import_tailname, $import_dirname) = File::Basename::fileparse($import_filename);
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| 324 | my $metadata_xml_filename = &util::filename_cat($import_dirname, "metadata.xml");
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| 325 |
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| 326 |
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| 327 | if($first_rec) {
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| 328 | $first_rec = 0;
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| 329 | } else {
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| 330 | $json_result_str .= ",";
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| 331 | }
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| 332 |
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| 333 | my $metaname = $metatable_rec->{'metaname'};
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| 334 | $json_result_str .= "{\"metaname\":\"$metaname\",\"metavals\":[";
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| 335 |
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| 336 | my $metapos = $metatable_rec->{'metapos'}; # 0... 1|all|undefined
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| 337 | if(!defined $metapos) {
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| 338 | $metapos = 0;
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| 339 | }
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| 340 |
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| 341 | # Obtain the specified metadata value(s)
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| 342 | my $metavalue;
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| 343 |
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| 344 | if($metapos ne "all") { # get the value at a single metapos
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| 345 | $metavalue = $self->get_metadata_from_metadata_xml($gsdl_cgi, $metadata_xml_filename, $metaname, $metapos, $import_tailname);
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| 346 |
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| 347 | #print STDERR "**** Metafilename, metaname, metapos, sec_num: $metadata_xml_filename, $metaname, $metapos, $import_tailname\n";
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| 348 |
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| 349 | $json_result_str .= "{\"metapos\":\"$metapos\",\"metavalue\":\"$metavalue\"}";
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| 350 |
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| 351 | } else {
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| 352 | my $first_metaval = 1;
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| 353 | $metapos = 0;
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| 354 | $metavalue = $self->get_metadata_from_metadata_xml($gsdl_cgi, $metadata_xml_filename, $metaname, $metapos, $import_tailname);
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| 355 |
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| 356 | while (defined $metavalue && $metavalue ne "") {
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| 357 | if($first_metaval) {
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| 358 | $first_metaval = 0;
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| 359 | } else {
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| 360 | $json_result_str .= ",";
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| 361 | }
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| 362 |
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| 363 | $json_result_str .= "{\"metapos\":\"$metapos\",\"metavalue\":\"$metavalue\"}";
|
|---|
| 364 |
|
|---|
| 365 | $metapos++;
|
|---|
| 366 | $metavalue = $self->get_metadata_from_metadata_xml($gsdl_cgi, $metadata_xml_filename, $metaname, $metapos, $import_tailname);
|
|---|
| 367 | }
|
|---|
| 368 | }
|
|---|
| 369 |
|
|---|
| 370 | $json_result_str .= "]}"; # close metavals array and metatable record
|
|---|
| 371 | }
|
|---|
| 372 |
|
|---|
| 373 | $json_result_str .= "]}"; # close metatable array and docid record
|
|---|
| 374 | }
|
|---|
| 375 |
|
|---|
| 376 | $json_result_str .= "]"; # close array of docids
|
|---|
| 377 | $gsdl_cgi->generate_ok_message($json_result_str."\n");
|
|---|
| 378 | }
|
|---|
| 379 |
|
|---|
| 380 | # Unused method, but included for completion. Tested, works. Takes a JSON string and returns a JSON string.
|
|---|
| 381 | # For more information on the format of the output, see _get_index_metadata_array, which is in use.
|
|---|
| 382 | sub _get_archives_metadata_array {
|
|---|
| 383 |
|
|---|
| 384 | my $self = shift @_;
|
|---|
| 385 |
|
|---|
| 386 | my $collect = $self->{'collect'};
|
|---|
| 387 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
|---|
| 388 | my $site = $self->{'site'};
|
|---|
| 389 | my $collect_dir = $gsdl_cgi->get_collection_dir($site);
|
|---|
| 390 |
|
|---|
| 391 | # look up additional args
|
|---|
| 392 | my $infodbtype = $self->{'infodbtype'};
|
|---|
| 393 |
|
|---|
| 394 | my $archive_dir = &util::filename_cat($collect_dir, $collect, "archives");
|
|---|
| 395 | my $arcinfo_doc_filename = &dbutil::get_infodb_file_path($infodbtype, "archiveinf-doc", $archive_dir);
|
|---|
| 396 |
|
|---|
| 397 | my $json_str = $self->{'json'};
|
|---|
| 398 | my $doc_array = decode_json $json_str;
|
|---|
| 399 |
|
|---|
| 400 | my $json_result_str = "[";
|
|---|
| 401 | my $first_doc_rec = 1;
|
|---|
| 402 | foreach my $doc_array_rec ( @$doc_array ) {
|
|---|
| 403 |
|
|---|
| 404 | my $docid = $doc_array_rec->{'docid'};
|
|---|
| 405 |
|
|---|
| 406 | if($first_doc_rec) {
|
|---|
| 407 | $first_doc_rec = 0;
|
|---|
| 408 | } else {
|
|---|
| 409 | $json_result_str .= ",";
|
|---|
| 410 | }
|
|---|
| 411 | $json_result_str = $json_result_str . "{\"docid\":\"" . $docid . "\"";
|
|---|
| 412 |
|
|---|
| 413 | my $metatable = $doc_array_rec->{'metatable'}; # a subarray, or need to generate an error saying JSON structure is wrong
|
|---|
| 414 | $json_result_str = $json_result_str . ",\"metatable\":[";
|
|---|
| 415 |
|
|---|
| 416 | my $first_rec = 1;
|
|---|
| 417 | foreach my $metatable_rec ( @$metatable ) { # the subarray metatable is an array of hashmaps
|
|---|
| 418 |
|
|---|
| 419 | my ($docid, $docid_secnum) = ($doc_array_rec->{'docid'} =~ m/^(.*?)(\..*)?$/);
|
|---|
| 420 | $docid_secnum = "" if (!defined $docid_secnum);
|
|---|
| 421 |
|
|---|
| 422 | # Read the docid entry
|
|---|
| 423 | my $doc_rec = &dbutil::read_infodb_entry($infodbtype, $arcinfo_doc_filename, $docid);
|
|---|
| 424 | # This now stores the full pathname
|
|---|
| 425 | my $doc_file = $doc_rec->{'doc-file'}->[0];
|
|---|
| 426 |
|
|---|
| 427 | # check if request if for file-level doc-version history 'nminus-<n>' version
|
|---|
| 428 | my $dv = $self->{'dv'};
|
|---|
| 429 | if (defined $dv && ($dv ne "")) {
|
|---|
| 430 | # Need to insert '_fldv_history/nminus-<n>' into doc_filename
|
|---|
| 431 |
|
|---|
| 432 | my ($doc_tailname, $doc_dirname) = File::Basename::fileparse($doc_file);
|
|---|
| 433 | $doc_file = &util::filename_cat($doc_dirname,$FLDV_HISTORY_DIR,$dv,$doc_tailname);
|
|---|
| 434 | }
|
|---|
| 435 |
|
|---|
| 436 | my $doc_filename = &util::filename_cat($archive_dir, $doc_file);
|
|---|
| 437 |
|
|---|
| 438 | if($first_rec) {
|
|---|
| 439 | $first_rec = 0;
|
|---|
| 440 | } else {
|
|---|
| 441 | $json_result_str .= ",";
|
|---|
| 442 | }
|
|---|
| 443 |
|
|---|
| 444 | my $metaname = $metatable_rec->{'metaname'};
|
|---|
| 445 | $json_result_str .= "{\"metaname\":\"$metaname\",\"metavals\":[";
|
|---|
| 446 |
|
|---|
| 447 | my $metapos = $metatable_rec->{'metapos'}; # 0... 1|all|undefined
|
|---|
| 448 | if(!defined $metapos) {
|
|---|
| 449 | $metapos = 0;
|
|---|
| 450 | }
|
|---|
| 451 |
|
|---|
| 452 |
|
|---|
| 453 | # Obtain the specified metadata value(s)
|
|---|
| 454 | my $metavalue;
|
|---|
| 455 |
|
|---|
| 456 | if($metapos ne "all") { # get the value at a single metapos
|
|---|
| 457 |
|
|---|
| 458 | $metavalue = $self->get_metadata_from_archive_xml($gsdl_cgi, $doc_filename, $metaname, $metapos, $docid_secnum);
|
|---|
| 459 | #print STDERR "**** Docname, metaname, metapos, sec_num: $doc_filename, $metaname, $metapos, $docid_secnum\n";
|
|---|
| 460 |
|
|---|
| 461 | $json_result_str .= "{\"metapos\":\"$metapos\",\"metavalue\":\"$metavalue\"}";
|
|---|
| 462 |
|
|---|
| 463 | } else {
|
|---|
| 464 | my $first_metaval = 1;
|
|---|
| 465 | $metapos = 0;
|
|---|
| 466 | $metavalue = $self->get_metadata_from_archive_xml($gsdl_cgi, $doc_filename, $metaname, $metapos, $docid_secnum);
|
|---|
| 467 |
|
|---|
| 468 | while (defined $metavalue && $metavalue ne "") {
|
|---|
| 469 | if($first_metaval) {
|
|---|
| 470 | $first_metaval = 0;
|
|---|
| 471 | } else {
|
|---|
| 472 | $json_result_str .= ",";
|
|---|
| 473 | }
|
|---|
| 474 |
|
|---|
| 475 | $json_result_str .= "{\"metapos\":\"$metapos\",\"metavalue\":\"$metavalue\"}";
|
|---|
| 476 |
|
|---|
| 477 | $metapos++;
|
|---|
| 478 | $metavalue = $self->get_metadata_from_archive_xml($gsdl_cgi, $doc_filename, $metaname, $metapos, $docid_secnum);
|
|---|
| 479 | }
|
|---|
| 480 | }
|
|---|
| 481 |
|
|---|
| 482 | $json_result_str .= "]}"; # close metavals array and metatable record
|
|---|
| 483 | }
|
|---|
| 484 |
|
|---|
| 485 | $json_result_str .= "]}"; # close metatable array and docid record
|
|---|
| 486 | }
|
|---|
| 487 |
|
|---|
| 488 | $json_result_str .= "]"; # close array of docids
|
|---|
| 489 | $gsdl_cgi->generate_ok_message($json_result_str."\n");
|
|---|
| 490 | }
|
|---|
| 491 |
|
|---|
| 492 |
|
|---|
| 493 | # Unused at present. Added for completion. Tested, but not sure if it retrieves metadata in the manner it's expected to.
|
|---|
| 494 | sub _get_live_metadata_array
|
|---|
| 495 | {
|
|---|
| 496 | my $self = shift @_;
|
|---|
| 497 |
|
|---|
| 498 | my $collect = $self->{'collect'};
|
|---|
| 499 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
|---|
| 500 | my $site = $self->{'site'};
|
|---|
| 501 | my $collect_dir = $gsdl_cgi->get_collection_dir($site);
|
|---|
| 502 |
|
|---|
| 503 | # look up additional args
|
|---|
| 504 | my $infodbtype = $self->{'infodbtype'};
|
|---|
| 505 |
|
|---|
| 506 | # To people who know $collect_tail please add some comments
|
|---|
| 507 | # Obtain the path to the database
|
|---|
| 508 | my $collect_tail = $collect;
|
|---|
| 509 | $collect_tail =~ s/^.*[\/|\\]//;
|
|---|
| 510 | my $index_text_directory = &util::filename_cat($collect_dir,$collect,"index","text");
|
|---|
| 511 | my $infodb_file_path = &dbutil::get_infodb_file_path($infodbtype, "live-$collect_tail", $index_text_directory);
|
|---|
| 512 |
|
|---|
| 513 | my $json_str = $self->{'json'};
|
|---|
| 514 | my $doc_array = decode_json $json_str;
|
|---|
| 515 |
|
|---|
| 516 | my $json_result_str = "[";
|
|---|
| 517 | my $first_doc_rec = 1;
|
|---|
| 518 |
|
|---|
| 519 | foreach my $doc_array_rec ( @$doc_array ) {
|
|---|
| 520 |
|
|---|
| 521 | my $docid = $doc_array_rec->{'docid'};
|
|---|
| 522 |
|
|---|
| 523 | if($first_doc_rec) {
|
|---|
| 524 | $first_doc_rec = 0;
|
|---|
| 525 | } else {
|
|---|
| 526 | $json_result_str .= ",";
|
|---|
| 527 | }
|
|---|
| 528 | $json_result_str = $json_result_str . "{\"docid\":\"" . $docid . "\"";
|
|---|
| 529 |
|
|---|
| 530 | my $metatable = $doc_array_rec->{'metatable'}; # a subarray, or need to generate an error saying JSON structure is wrong
|
|---|
| 531 | $json_result_str = $json_result_str . ",\"metatable\":[";
|
|---|
| 532 |
|
|---|
| 533 | my $first_rec = 1;
|
|---|
| 534 | foreach my $metatable_rec ( @$metatable ) { # the subarray metatable is an array of hashmaps
|
|---|
| 535 | if($first_rec) {
|
|---|
| 536 | $first_rec = 0;
|
|---|
| 537 | } else {
|
|---|
| 538 | $json_result_str .= ",";
|
|---|
| 539 | }
|
|---|
| 540 |
|
|---|
| 541 | my $metaname = $metatable_rec->{'metaname'};
|
|---|
| 542 | $json_result_str .= "{\"metaname\":\"$metaname\",\"metavals\":[";
|
|---|
| 543 |
|
|---|
| 544 | # Generate the dbkey
|
|---|
| 545 | my $dbkey = "$docid.$metaname";
|
|---|
| 546 |
|
|---|
| 547 | # metapos for get_live_metadata is always assumed to be "all".
|
|---|
| 548 | # It's always going to get all the lines of metavalues associated with a metaname
|
|---|
| 549 | # (It's the metaname itself that should contain an increment number, if there are to be multiple values).
|
|---|
| 550 | #my $metapos = "all";
|
|---|
| 551 | my $metapos = $metatable_rec->{'metapos'} || 0; # Can be 0... 1|all|undefined. Defaults to 0 if undefined/false
|
|---|
| 552 | my $metavalue = "";
|
|---|
| 553 |
|
|---|
| 554 | # Obtain the content of the key
|
|---|
| 555 | my $cmd = "gdbmget $infodb_file_path $dbkey";
|
|---|
| 556 | if (open(GIN,"$cmd |") != 0) { # Success.
|
|---|
| 557 |
|
|---|
| 558 | binmode(GIN,":utf8");
|
|---|
| 559 | # Read everything in and concatenate them into $metavalue
|
|---|
| 560 | my $line;
|
|---|
| 561 | my $first_metaval = 1;
|
|---|
| 562 | my $pos = 0;
|
|---|
| 563 | while (defined ($line=<GIN>)) {
|
|---|
| 564 | chomp($line); # Get rid off the tailing newlines
|
|---|
| 565 |
|
|---|
| 566 | if($metapos eq "all") {
|
|---|
| 567 | if($first_metaval) {
|
|---|
| 568 | $first_metaval = 0;
|
|---|
| 569 | } else {
|
|---|
| 570 | $json_result_str .= ",";
|
|---|
| 571 | }
|
|---|
| 572 | $metavalue = $line;
|
|---|
| 573 | $json_result_str .= "{\"metapos\":\"$pos\",\"metavalue\":\"$metavalue\"}";
|
|---|
| 574 | } elsif($metapos == $pos) {
|
|---|
| 575 | $metavalue = $line;
|
|---|
| 576 | $json_result_str .= "{\"metapos\":\"$metapos\",\"metavalue\":\"$metavalue\"}";
|
|---|
| 577 | last;
|
|---|
| 578 | } # else, the current $pos is not the required $metapos
|
|---|
| 579 | $pos += 1;
|
|---|
| 580 | }
|
|---|
| 581 | close(GIN);
|
|---|
| 582 | } # else open cmd == 0 (failed) and metavals array will be empty [] for this metaname
|
|---|
| 583 |
|
|---|
| 584 | $json_result_str .= "]}"; # close metavals array and metatable record
|
|---|
| 585 | }
|
|---|
| 586 |
|
|---|
| 587 | $json_result_str .= "]}"; # close metatable array and docid record
|
|---|
| 588 | }
|
|---|
| 589 |
|
|---|
| 590 | $json_result_str .= "]"; # close array of docids
|
|---|
| 591 |
|
|---|
| 592 | $gsdl_cgi->generate_ok_message($json_result_str."\n");
|
|---|
| 593 | }
|
|---|
| 594 |
|
|---|
| 595 |
|
|---|
| 596 | # Takes a JSON string and returns a JSON string
|
|---|
| 597 | # Request string is of the form:
|
|---|
| 598 | # http://localhost:8283/greenstone/cgi-bin/metadata-server.pl?a=get-metadata-array&c=demo&where=index&json=[{"docid":"HASHc5bce2d6d3e5b04e470ec9","metatable":[{"metaname":"username","metapos":"all"},{"metaname":"usertimestamp","metapos":"all"}, {"metaname":"usercomment","metapos":"all"}]}]
|
|---|
| 599 | # Resulting string is of the form:
|
|---|
| 600 | # [{"docid":"HASHc5bce2d6d3e5b04e470ec9","metatable":[{"metaname":"username","metavals":[{"metapos":"0","metavalue":"me"},{"metapos":"1","metavalue":"admin"}]},{"metaname":"usertimestamp","metavals":[{"metapos":"0","metavalue":"1367900586888"},{"metapos":"1","metavalue":"1367900616574"}]},{"metaname":"usercomment","metavals":[{"metapos":"0","metavalue":"Hi"},{"metapos":"1","metavalue":"Hello"}]}]}]
|
|---|
| 601 | sub _get_index_metadata_array
|
|---|
| 602 | {
|
|---|
| 603 | my $self = shift @_;
|
|---|
| 604 |
|
|---|
| 605 | my $collect = $self->{'collect'};
|
|---|
| 606 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
|---|
| 607 | my $site = $self->{'site'};
|
|---|
| 608 | my $collect_dir = $gsdl_cgi->get_collection_dir($site);
|
|---|
| 609 |
|
|---|
| 610 | # look up additional args
|
|---|
| 611 | my $infodbtype = $self->{'infodbtype'};
|
|---|
| 612 |
|
|---|
| 613 | # To people who know $collect_tail please add some comments
|
|---|
| 614 | # Obtain the path to the database
|
|---|
| 615 | my $collect_tail = $collect;
|
|---|
| 616 | $collect_tail =~ s/^.*[\/|\\]//;
|
|---|
| 617 | my $index_text_directory = &util::filename_cat($collect_dir,$collect,"index","text");
|
|---|
| 618 | my $infodb_file_path = &dbutil::get_infodb_file_path($infodbtype, $collect_tail, $index_text_directory);
|
|---|
| 619 |
|
|---|
| 620 | my $json_str = $self->{'json'};
|
|---|
| 621 | my $doc_array = decode_json $json_str;
|
|---|
| 622 |
|
|---|
| 623 | my $json_result_str = "[";
|
|---|
| 624 | my $first_doc_rec = 1;
|
|---|
| 625 |
|
|---|
| 626 | foreach my $doc_array_rec ( @$doc_array ) {
|
|---|
| 627 |
|
|---|
| 628 | my $docid = $doc_array_rec->{'docid'};
|
|---|
| 629 |
|
|---|
| 630 | if($first_doc_rec) {
|
|---|
| 631 | $first_doc_rec = 0;
|
|---|
| 632 | } else {
|
|---|
| 633 | $json_result_str .= ",";
|
|---|
| 634 | }
|
|---|
| 635 | $json_result_str = $json_result_str . "{\"docid\":\"" . $docid . "\"";
|
|---|
| 636 |
|
|---|
| 637 | my $metatable = $doc_array_rec->{'metatable'}; # a subarray, or need to generate an error saying JSON structure is wrong
|
|---|
| 638 | $json_result_str = $json_result_str . ",\"metatable\":[";
|
|---|
| 639 |
|
|---|
| 640 | my $first_rec = 1;
|
|---|
| 641 | foreach my $metatable_rec ( @$metatable ) { # the subarray metatable is an array of hashmaps
|
|---|
| 642 | if($first_rec) {
|
|---|
| 643 | $first_rec = 0;
|
|---|
| 644 | } else {
|
|---|
| 645 | $json_result_str .= ",";
|
|---|
| 646 | }
|
|---|
| 647 |
|
|---|
| 648 | my $metaname = $metatable_rec->{'metaname'};
|
|---|
| 649 | $json_result_str .= "{\"metaname\":\"$metaname\",\"metavals\":[";
|
|---|
| 650 |
|
|---|
| 651 | my $metapos = $metatable_rec->{'metapos'}; # 0... 1|all|undefined
|
|---|
| 652 | if(!defined $metapos) {
|
|---|
| 653 | $metapos = 0;
|
|---|
| 654 | }
|
|---|
| 655 |
|
|---|
| 656 | # Read the docid entry
|
|---|
| 657 | my $doc_rec = &dbutil::read_infodb_entry($infodbtype, $infodb_file_path, $docid);
|
|---|
| 658 |
|
|---|
| 659 | # Basically loop through and unescape_html the values
|
|---|
| 660 | foreach my $k (keys %$doc_rec) {
|
|---|
| 661 | my @escaped_v = ();
|
|---|
| 662 | foreach my $v (@{$doc_rec->{$k}}) {
|
|---|
| 663 | my $ev = &ghtml::unescape_html($v);
|
|---|
| 664 | push(@escaped_v, $ev);
|
|---|
| 665 | }
|
|---|
| 666 | $doc_rec->{$k} = \@escaped_v;
|
|---|
| 667 | }
|
|---|
| 668 |
|
|---|
| 669 | # Obtain the specified metadata value(s)
|
|---|
| 670 | my $metavalue;
|
|---|
| 671 |
|
|---|
| 672 | if($metapos ne "all") { # get the value at a single metapos
|
|---|
| 673 |
|
|---|
| 674 | $metavalue = $doc_rec->{$metaname}->[$metapos];
|
|---|
| 675 |
|
|---|
| 676 | # protect any double quotes and colons in the metavalue before putting it into JSON
|
|---|
| 677 | $metavalue =~ s/\"/"/g if defined $metavalue;
|
|---|
| 678 | $metavalue =~ s/\:/&58;/g if defined $metavalue;
|
|---|
| 679 |
|
|---|
| 680 | $json_result_str .= "{\"metapos\":\"$metapos\",\"metavalue\":\"$metavalue\"}";
|
|---|
| 681 |
|
|---|
| 682 | } else {
|
|---|
| 683 | my $first_metaval = 1;
|
|---|
| 684 | $metapos = 0;
|
|---|
| 685 | $metavalue = $doc_rec->{$metaname}->[$metapos];
|
|---|
| 686 |
|
|---|
| 687 | while (defined $metavalue) {
|
|---|
| 688 |
|
|---|
| 689 | # protect any double quotes and colons in the metavalue before putting it into JSON
|
|---|
| 690 | $metavalue =~ s/\"/"/g;
|
|---|
| 691 | $metavalue =~ s/\:/&58;/g;
|
|---|
| 692 |
|
|---|
| 693 | if($first_metaval) {
|
|---|
| 694 | $first_metaval = 0;
|
|---|
| 695 | } else {
|
|---|
| 696 | $json_result_str .= ",";
|
|---|
| 697 | }
|
|---|
| 698 |
|
|---|
| 699 | $json_result_str .= "{\"metapos\":\"$metapos\",\"metavalue\":\"$metavalue\"}";
|
|---|
| 700 |
|
|---|
| 701 | $metapos++;
|
|---|
| 702 | $metavalue = $doc_rec->{$metaname}->[$metapos];
|
|---|
| 703 | }
|
|---|
| 704 | }
|
|---|
| 705 |
|
|---|
| 706 | $json_result_str .= "]}"; # close metavals array and metatable record
|
|---|
| 707 | }
|
|---|
| 708 |
|
|---|
| 709 | $json_result_str .= "]}"; # close metatable array and docid record
|
|---|
| 710 | }
|
|---|
| 711 |
|
|---|
| 712 | $json_result_str .= "]"; # close array of docids
|
|---|
| 713 |
|
|---|
| 714 | $gsdl_cgi->generate_ok_message($json_result_str."\n");
|
|---|
| 715 | }
|
|---|
| 716 |
|
|---|
| 717 |
|
|---|
| 718 | sub get_index_metadata
|
|---|
| 719 | {
|
|---|
| 720 | my $self = shift @_;
|
|---|
| 721 |
|
|---|
| 722 | my $username = $self->{'username'};
|
|---|
| 723 | my $collect = $self->{'collect'};
|
|---|
| 724 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
|---|
| 725 | #my $gsdlhome = $self->{'gsdlhome'};
|
|---|
| 726 |
|
|---|
| 727 | # Obtain the collect dir
|
|---|
| 728 | my $site = $self->{'site'};
|
|---|
| 729 | my $collect_dir = $gsdl_cgi->get_collection_dir($site);
|
|---|
| 730 | ##my $collect_dir = &util::filename_cat($gsdlhome, "collect");
|
|---|
| 731 |
|
|---|
| 732 | # look up additional args
|
|---|
| 733 | my $docid = $self->{'d'};
|
|---|
| 734 | my $metaname = $self->{'metaname'};
|
|---|
| 735 | my $metapos = $self->{'metapos'};
|
|---|
| 736 | my $infodbtype = $self->{'infodbtype'};
|
|---|
| 737 |
|
|---|
| 738 | # To people who know $collect_tail please add some comments
|
|---|
| 739 | # Obtain path to the database
|
|---|
| 740 | my $collect_tail = $collect;
|
|---|
| 741 | $collect_tail =~ s/^.*[\/|\\]//;
|
|---|
| 742 | my $index_text_directory = &util::filename_cat($collect_dir,$collect,"index","text");
|
|---|
| 743 | my $infodb_file_path = &dbutil::get_infodb_file_path($infodbtype, $collect_tail, $index_text_directory);
|
|---|
| 744 |
|
|---|
| 745 | # Read the docid entry
|
|---|
| 746 | my $doc_rec = &dbutil::read_infodb_entry($infodbtype, $infodb_file_path, $docid);
|
|---|
| 747 |
|
|---|
| 748 | # Basically loop through and unescape_html the values
|
|---|
| 749 | foreach my $k (keys %$doc_rec) {
|
|---|
| 750 | my @escaped_v = ();
|
|---|
| 751 | foreach my $v (@{$doc_rec->{$k}}) {
|
|---|
| 752 | my $ev = &ghtml::unescape_html($v);
|
|---|
| 753 | push(@escaped_v, $ev);
|
|---|
| 754 | }
|
|---|
| 755 | $doc_rec->{$k} = \@escaped_v;
|
|---|
| 756 | }
|
|---|
| 757 |
|
|---|
| 758 | # Obtain the specified metadata value
|
|---|
| 759 | $metapos = 0 if (!defined $metapos || ($metapos =~ m/^\s*$/));
|
|---|
| 760 | my $metavalue = $doc_rec->{$metaname}->[$metapos];
|
|---|
| 761 | $gsdl_cgi->generate_ok_message("$metavalue");
|
|---|
| 762 |
|
|---|
| 763 | }
|
|---|
| 764 |
|
|---|
| 765 |
|
|---|
| 766 | sub get_import_metadata
|
|---|
| 767 | {
|
|---|
| 768 | my $self = shift @_;
|
|---|
| 769 |
|
|---|
| 770 | my $username = $self->{'username'};
|
|---|
| 771 | my $collect = $self->{'collect'};
|
|---|
| 772 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
|---|
| 773 | #my $gsdlhome = $self->{'gsdlhome'};
|
|---|
| 774 |
|
|---|
| 775 | # Obtain the collect dir
|
|---|
| 776 | my $site = $self->{'site'};
|
|---|
| 777 | my $collect_dir = $gsdl_cgi->get_collection_dir($site);
|
|---|
| 778 | ##my $collect_dir = &util::filename_cat($gsdlhome, "collect");
|
|---|
| 779 |
|
|---|
| 780 | # look up additional args
|
|---|
| 781 | my $docid = $self->{'d'};
|
|---|
| 782 | my $metaname = $self->{'metaname'};
|
|---|
| 783 | my $metapos = $self->{'metapos'};
|
|---|
| 784 | $metapos = 0 if (!defined $metapos || ($metapos =~ m/^\s*$/)); # gets the first value by default since metapos defaults to 0
|
|---|
| 785 |
|
|---|
| 786 | my $infodbtype = $self->{'infodbtype'};
|
|---|
| 787 | if (!defined $docid)
|
|---|
| 788 | {
|
|---|
| 789 | $gsdl_cgi->generate_error("No docid (d=...) specified.\n");
|
|---|
| 790 | }
|
|---|
| 791 |
|
|---|
| 792 | # Obtain where the metadata.xml is from the archiveinfo-doc.gdb file
|
|---|
| 793 | # If the doc oid is not specified, we assume the metadata.xml is next to the specified "f"
|
|---|
| 794 | my $metadata_xml_file;
|
|---|
| 795 | my $import_filename = undef;
|
|---|
| 796 |
|
|---|
| 797 |
|
|---|
| 798 | my $archive_dir = &util::filename_cat($collect_dir, $collect, "archives");
|
|---|
| 799 | my $arcinfo_doc_filename = &dbutil::get_infodb_file_path($infodbtype, "archiveinf-doc", $archive_dir);
|
|---|
| 800 | my $doc_rec = &dbutil::read_infodb_entry($infodbtype, $arcinfo_doc_filename, $docid);
|
|---|
| 801 |
|
|---|
| 802 | # This now stores the full pathname
|
|---|
| 803 | $import_filename = $doc_rec->{'src-file'}->[0];
|
|---|
| 804 | $import_filename = &util::placeholders_to_abspath($import_filename);
|
|---|
| 805 |
|
|---|
| 806 | # figure out correct metadata.xml file [?]
|
|---|
| 807 | # Assuming the metadata.xml file is next to the source file
|
|---|
| 808 | # Note: This will not work if it is using the inherited metadata from the parent folder
|
|---|
| 809 | my ($import_tailname, $import_dirname) = File::Basename::fileparse($import_filename);
|
|---|
| 810 | my $metadata_xml_filename = &util::filename_cat($import_dirname, "metadata.xml");
|
|---|
| 811 |
|
|---|
| 812 | $gsdl_cgi->generate_ok_message($self->get_metadata_from_metadata_xml($gsdl_cgi, $metadata_xml_filename, $metaname, $metapos, $import_tailname));
|
|---|
| 813 |
|
|---|
| 814 | }
|
|---|
| 815 |
|
|---|
| 816 | sub get_metadata_from_metadata_xml
|
|---|
| 817 | {
|
|---|
| 818 | my $self = shift @_;
|
|---|
| 819 | my ($gsdl_cgi, $metadata_xml_filename, $metaname, $metapos, $src_file) = @_;
|
|---|
| 820 |
|
|---|
| 821 | my @rules =
|
|---|
| 822 | (
|
|---|
| 823 | _default => 'raw',
|
|---|
| 824 | 'Metadata' => \&gfmxml_metadata,
|
|---|
| 825 | 'FileName' => \&mxml_filename
|
|---|
| 826 | );
|
|---|
| 827 |
|
|---|
| 828 | my $parser = XML::Rules->new
|
|---|
| 829 | (
|
|---|
| 830 | rules => \@rules,
|
|---|
| 831 | output_encoding => 'utf8'
|
|---|
| 832 | );
|
|---|
| 833 |
|
|---|
| 834 | my $xml_in = "";
|
|---|
| 835 | if (!open(MIN,"<$metadata_xml_filename"))
|
|---|
| 836 | {
|
|---|
| 837 | $gsdl_cgi->generate_error("Unable to read in $metadata_xml_filename: $!");
|
|---|
| 838 | }
|
|---|
| 839 | else
|
|---|
| 840 | {
|
|---|
| 841 | # Read them in
|
|---|
| 842 | my $line;
|
|---|
| 843 | while (defined ($line=<MIN>)) {
|
|---|
| 844 | $xml_in .= $line;
|
|---|
| 845 | }
|
|---|
| 846 | close(MIN);
|
|---|
| 847 |
|
|---|
| 848 | $parser->parse($xml_in, {metaname => $metaname, metapos => $metapos, src_file => $src_file});
|
|---|
| 849 |
|
|---|
| 850 | if(defined $parser->{'pad'}->{'metavalue'})
|
|---|
| 851 | {
|
|---|
| 852 | return $parser->{'pad'}->{'metavalue'};
|
|---|
| 853 | }
|
|---|
| 854 | else
|
|---|
| 855 | {
|
|---|
| 856 | return "";
|
|---|
| 857 | }
|
|---|
| 858 | }
|
|---|
| 859 | }
|
|---|
| 860 |
|
|---|
| 861 | sub gfmxml_metadata
|
|---|
| 862 | {
|
|---|
| 863 | my ($tagname, $attrHash, $contextArray, $parentDataArray, $parser) = @_;
|
|---|
| 864 |
|
|---|
| 865 | # no subsection support yet in metadata.xml
|
|---|
| 866 |
|
|---|
| 867 | if (($parser->{'parameters'}->{'src_file'} eq $parser->{'parameters'}->{'current_file'}) && $parser->{'parameters'}->{'metaname'} eq $attrHash->{'name'})
|
|---|
| 868 | {
|
|---|
| 869 | if (!defined $parser->{'parameters'}->{'poscount'})
|
|---|
| 870 | {
|
|---|
| 871 | $parser->{'parameters'}->{'poscount'} = 0;
|
|---|
| 872 | }
|
|---|
| 873 | else
|
|---|
| 874 | {
|
|---|
| 875 | $parser->{'parameters'}->{'poscount'}++;
|
|---|
| 876 | }
|
|---|
| 877 |
|
|---|
| 878 | # gets the first value by default, since metapos defaults to 0
|
|---|
| 879 | if (($parser->{'parameters'}->{'poscount'} == $parser->{'parameters'}->{'metapos'}))
|
|---|
| 880 | {
|
|---|
| 881 | if($parser->{'parameters'}->{'metapos'} > 0) {
|
|---|
| 882 | print STDERR "@@@@ WARNING: non-zero metapos.\n";
|
|---|
| 883 | print STDERR "@@@@ Assuming SIMPLE collection and proceeding to retrieve the import meta at position: ".$parser->{'parameters'}->{'metapos'}.".\n";
|
|---|
| 884 | }
|
|---|
| 885 | $parser->{'pad'}->{'metavalue'} = $attrHash->{'_content'};
|
|---|
| 886 | }
|
|---|
| 887 | }
|
|---|
| 888 | }
|
|---|
| 889 |
|
|---|
| 890 | sub mxml_filename
|
|---|
| 891 | {
|
|---|
| 892 | my ($tagname, $attrHash, $contextArray, $parentDataArray, $parser) = @_;
|
|---|
| 893 |
|
|---|
| 894 | # Store the filename of the Current Fileset
|
|---|
| 895 | # Note: According to http://greenstone.org/dtd/DirectoryMetadata/1.0/DirectoryMetadata.dtd
|
|---|
| 896 | # FileName tag must come before Description tag
|
|---|
| 897 | $parser->{'parameters'}->{'current_file'} = $attrHash->{'_content'};
|
|---|
| 898 |
|
|---|
| 899 | # RAW is [$tagname => $attrHash] not $tagname => $attrHash!!
|
|---|
| 900 | return [$tagname => $attrHash];
|
|---|
| 901 | }
|
|---|
| 902 |
|
|---|
| 903 | sub get_archives_metadata
|
|---|
| 904 | {
|
|---|
| 905 | my $self = shift @_;
|
|---|
| 906 |
|
|---|
| 907 | my $username = $self->{'username'};
|
|---|
| 908 | my $collect = $self->{'collect'};
|
|---|
| 909 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
|---|
| 910 | my $infodbtype = $self->{'infodbtype'};
|
|---|
| 911 |
|
|---|
| 912 | # Obtain the collect dir
|
|---|
| 913 | my $site = $self->{'site'};
|
|---|
| 914 | my $collect_dir = $gsdl_cgi->get_collection_dir($site);
|
|---|
| 915 |
|
|---|
| 916 | my $archive_dir = &util::filename_cat($collect_dir, $collect, "archives");
|
|---|
| 917 |
|
|---|
| 918 | # look up additional args
|
|---|
| 919 | my ($docid, $docid_secnum) = ($self->{'d'} =~ m/^(.*?)(\..*)?$/);
|
|---|
| 920 | $docid_secnum = "" if (!defined $docid_secnum);
|
|---|
| 921 |
|
|---|
| 922 | my $metaname = $self->{'metaname'};
|
|---|
| 923 | my $metapos = $self->{'metapos'};
|
|---|
| 924 | $metapos = 0 if (!defined $metapos || ($metapos =~ m/^\s*$/));
|
|---|
| 925 |
|
|---|
| 926 | my $arcinfo_doc_filename = &dbutil::get_infodb_file_path($infodbtype, "archiveinf-doc", $archive_dir);
|
|---|
| 927 | my $doc_rec = &dbutil::read_infodb_entry($infodbtype, $arcinfo_doc_filename, $docid);
|
|---|
| 928 |
|
|---|
| 929 | # This now stores the full pathname
|
|---|
| 930 | my $doc_file = $doc_rec->{'doc-file'}->[0];
|
|---|
| 931 |
|
|---|
| 932 | # check if request if for file-level doc-version history 'nminus-<n>' version
|
|---|
| 933 | my $dv = $self->{'dv'};
|
|---|
| 934 | if (defined $dv && ($dv ne "")) {
|
|---|
| 935 | # Need to insert '_fldv_history/nminus-<n>' into doc_filename
|
|---|
| 936 |
|
|---|
| 937 | my ($doc_tailname, $doc_dirname) = File::Basename::fileparse($doc_file);
|
|---|
| 938 | $doc_file = &util::filename_cat($doc_dirname,$FLDV_HISTORY_DIR,$dv,$doc_tailname);
|
|---|
| 939 | }
|
|---|
| 940 |
|
|---|
| 941 | my $doc_filename = &util::filename_cat($archive_dir, $doc_file);
|
|---|
| 942 |
|
|---|
| 943 |
|
|---|
| 944 | $gsdl_cgi->generate_ok_message($self->get_metadata_from_archive_xml($gsdl_cgi, $doc_filename, $metaname, $metapos, $docid_secnum));
|
|---|
| 945 | }
|
|---|
| 946 |
|
|---|
| 947 | # unused and untested
|
|---|
| 948 | sub get_archives_text
|
|---|
| 949 | {
|
|---|
| 950 | my $self = shift @_;
|
|---|
| 951 |
|
|---|
| 952 | my $username = $self->{'username'};
|
|---|
| 953 | my $collect = $self->{'collect'};
|
|---|
| 954 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
|---|
| 955 | my $infodbtype = $self->{'infodbtype'};
|
|---|
| 956 |
|
|---|
| 957 | # Obtain the collect dir
|
|---|
| 958 | my $site = $self->{'site'};
|
|---|
| 959 | my $collect_dir = $gsdl_cgi->get_collection_dir($site);
|
|---|
| 960 |
|
|---|
| 961 | my $archive_dir = &util::filename_cat($collect_dir, $collect, "archives");
|
|---|
| 962 |
|
|---|
| 963 | # look up additional args
|
|---|
| 964 | my ($docid, $docid_secnum) = ($self->{'d'} =~ m/^(.*?)(\..*)?$/);
|
|---|
| 965 | $docid_secnum = "" if (!defined $docid_secnum);
|
|---|
| 966 |
|
|---|
| 967 | my $arcinfo_doc_filename = &dbutil::get_infodb_file_path($infodbtype, "archiveinf-doc", $archive_dir);
|
|---|
| 968 | my $doc_rec = &dbutil::read_infodb_entry($infodbtype, $arcinfo_doc_filename, $docid);
|
|---|
| 969 |
|
|---|
| 970 | # This now stores the full pathname
|
|---|
| 971 | my $doc_file = $doc_rec->{'doc-file'}->[0];
|
|---|
| 972 |
|
|---|
| 973 | # check if request if for file-level doc-version history 'nminus-<n>' version
|
|---|
| 974 | my $dv = $self->{'dv'};
|
|---|
| 975 | if (defined $dv && ($dv ne "")) {
|
|---|
| 976 | # Need to insert '_fldv_history/nminus-<n>' into doc_filename
|
|---|
| 977 |
|
|---|
| 978 | my ($doc_tailname, $doc_dirname) = File::Basename::fileparse($doc_file);
|
|---|
| 979 | $doc_file = &util::filename_cat($doc_dirname,$FLDV_HISTORY_DIR,$dv,$doc_tailname);
|
|---|
| 980 | }
|
|---|
| 981 |
|
|---|
| 982 | my $doc_filename = &util::filename_cat($archive_dir, $doc_file);
|
|---|
| 983 |
|
|---|
| 984 | my $metaname = undef;
|
|---|
| 985 | my $metapos = -1;
|
|---|
| 986 |
|
|---|
| 987 | $gsdl_cgi->generate_ok_message($self->get_metadata_from_archive_xml($gsdl_cgi, $doc_filename, $metaname, $metapos, $docid_secnum));
|
|---|
| 988 |
|
|---|
| 989 | }
|
|---|
| 990 |
|
|---|
| 991 | sub get_archives_assocfile
|
|---|
| 992 | {
|
|---|
| 993 | my $self = shift @_;
|
|---|
| 994 |
|
|---|
| 995 | my $username = $self->{'username'};
|
|---|
| 996 | my $collect = $self->{'collect'};
|
|---|
| 997 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
|---|
| 998 | my $infodbtype = $self->{'infodbtype'};
|
|---|
| 999 |
|
|---|
| 1000 | # Obtain the collect and archive dir
|
|---|
| 1001 | my $site = $self->{'site'};
|
|---|
| 1002 | my $collect_dir = $gsdl_cgi->get_collection_dir($site);
|
|---|
| 1003 |
|
|---|
| 1004 | my $archive_dir = &util::filename_cat($collect_dir, $collect, "archives");
|
|---|
| 1005 |
|
|---|
| 1006 | # look up additional args
|
|---|
| 1007 | my $docid = $self->{'d'};
|
|---|
| 1008 |
|
|---|
| 1009 | my $assocname = $self->{'assocname'};
|
|---|
| 1010 |
|
|---|
| 1011 | my $arcinfo_doc_filename = &dbutil::get_infodb_file_path($infodbtype, "archiveinf-doc", $archive_dir);
|
|---|
| 1012 | my $doc_rec = &dbutil::read_infodb_entry($infodbtype, $arcinfo_doc_filename, $docid);
|
|---|
| 1013 |
|
|---|
| 1014 | my $doc_file = $doc_rec->{'doc-file'}->[0];
|
|---|
| 1015 |
|
|---|
| 1016 | # check if request if for file-level doc-version history 'nminus-<n>' version
|
|---|
| 1017 | my $dv = $self->{'dv'};
|
|---|
| 1018 | if (defined $dv && ($dv ne "")) {
|
|---|
| 1019 | # Need to insert '_fldv_history/nminus-<n>' into doc_file
|
|---|
| 1020 |
|
|---|
| 1021 | my ($doc_tailname, $doc_dirname) = File::Basename::fileparse($doc_file);
|
|---|
| 1022 | $doc_file = &util::filename_cat($doc_dirname,$FLDV_HISTORY_DIR,$dv,$doc_tailname);
|
|---|
| 1023 | }
|
|---|
| 1024 |
|
|---|
| 1025 | my $doc_filename = &util::filename_cat($archive_dir, $doc_file);
|
|---|
| 1026 |
|
|---|
| 1027 |
|
|---|
| 1028 | # In the following the repeated calls to $self->get_metadata_from_archive_xml() with increasing $metapos
|
|---|
| 1029 | # get the job done, but is not very efficient
|
|---|
| 1030 | # => candidate for refactoring
|
|---|
| 1031 |
|
|---|
| 1032 |
|
|---|
| 1033 | my $metapos = 0;
|
|---|
| 1034 | my $metavalue = $self->get_metadata_from_archive_xml($gsdl_cgi, $doc_filename, "gsdlassocfile", $metapos, "");
|
|---|
| 1035 |
|
|---|
| 1036 | my $found_file = undef;
|
|---|
| 1037 | my $found_mimetype = undef;
|
|---|
| 1038 |
|
|---|
| 1039 | while (defined $metavalue && $metavalue ne "") {
|
|---|
| 1040 |
|
|---|
| 1041 | my ($assoc_file,$assoc_mimetype) = ($metavalue =~ m/^(.+?):(.+?):(?:.*)$/); # only need first two fields, third one might be section???
|
|---|
| 1042 |
|
|---|
| 1043 | if ($assoc_file eq $assocname) {
|
|---|
| 1044 | $found_file = $assoc_file;
|
|---|
| 1045 | $found_mimetype = $assoc_mimetype;
|
|---|
| 1046 | last;
|
|---|
| 1047 | }
|
|---|
| 1048 |
|
|---|
| 1049 | $metapos++;
|
|---|
| 1050 | $metavalue = $self->get_metadata_from_archive_xml($gsdl_cgi, $doc_filename, "gsdlassocfile", $metapos, "");
|
|---|
| 1051 | }
|
|---|
| 1052 |
|
|---|
| 1053 | if (defined $found_file) {
|
|---|
| 1054 |
|
|---|
| 1055 | my ($unused_tailname, $doc_dirname) = File::Basename::fileparse($doc_file);
|
|---|
| 1056 |
|
|---|
| 1057 | if (defined $dv && ($dv ne "")) {
|
|---|
| 1058 | # Need to insert '_fldv_history/nminus-<n>' into found_file
|
|---|
| 1059 |
|
|---|
| 1060 | $found_file = &util::filename_cat($doc_dirname,$found_file);
|
|---|
| 1061 |
|
|---|
| 1062 | }
|
|---|
| 1063 | else {
|
|---|
| 1064 | $found_file = &util::filename_cat($doc_dirname,$found_file);
|
|---|
| 1065 | }
|
|---|
| 1066 |
|
|---|
| 1067 | my $found_filename = &util::filename_cat($archive_dir, $found_file);
|
|---|
| 1068 |
|
|---|
| 1069 | $gsdl_cgi->generate_file($found_mimetype,$found_filename);
|
|---|
| 1070 | }
|
|---|
| 1071 | else {
|
|---|
| 1072 |
|
|---|
| 1073 | $gsdl_cgi->generate_error("Failed to find associated file $assocname in 'archives' for $docid");
|
|---|
| 1074 | }
|
|---|
| 1075 | }
|
|---|
| 1076 |
|
|---|
| 1077 |
|
|---|
| 1078 |
|
|---|
| 1079 | sub get_fldv_info
|
|---|
| 1080 | {
|
|---|
| 1081 | my $self = shift @_;
|
|---|
| 1082 |
|
|---|
| 1083 | my $username = $self->{'username'};
|
|---|
| 1084 | my $collect = $self->{'collect'};
|
|---|
| 1085 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
|---|
| 1086 | my $infodbtype = $self->{'infodbtype'};
|
|---|
| 1087 |
|
|---|
| 1088 | # Obtain the collect dir
|
|---|
| 1089 | my $site = $self->{'site'};
|
|---|
| 1090 | my $collect_dir = $gsdl_cgi->get_collection_dir($site);
|
|---|
| 1091 |
|
|---|
| 1092 | my $archive_dir = &util::filename_cat($collect_dir, $collect, "archives");
|
|---|
| 1093 |
|
|---|
| 1094 | # look up additional args
|
|---|
| 1095 | my $docid = $self->{'d'};
|
|---|
| 1096 |
|
|---|
| 1097 |
|
|---|
| 1098 | my $arcinfo_doc_filename = &dbutil::get_infodb_file_path($infodbtype, "archiveinf-doc", $archive_dir);
|
|---|
| 1099 | my $doc_rec = &dbutil::read_infodb_entry($infodbtype, $arcinfo_doc_filename, $docid);
|
|---|
| 1100 |
|
|---|
| 1101 | # This now stores the full pathname [is this still true??]
|
|---|
| 1102 | my $doc_file = $doc_rec->{'doc-file'}->[0];
|
|---|
| 1103 |
|
|---|
| 1104 | my ($unused_doc_tailname, $doc_dirname) = File::Basename::fileparse($doc_file);
|
|---|
| 1105 | my $doc_full_dirname = &util::filename_cat($archive_dir,$doc_dirname);
|
|---|
| 1106 |
|
|---|
| 1107 | my $fldv_full_dirname = &util::filename_cat($doc_full_dirname,$FLDV_HISTORY_DIR);
|
|---|
| 1108 |
|
|---|
| 1109 | my $sorted_fldv_filtered_dirs_json = "[]";
|
|---|
| 1110 | if (-d $fldv_full_dirname) {
|
|---|
| 1111 | my $fldv_filtered_dirs = &FileUtils::readDirectoryFiltered($fldv_full_dirname,undef,"^nminus-\\d+\$");
|
|---|
| 1112 |
|
|---|
| 1113 | my @sorted_fldv_filtered_dirs = sort {
|
|---|
| 1114 | my ($a_num) = ($a =~ m/(\d+)$/);
|
|---|
| 1115 | my ($b_num) = ($b =~ m/(\d+)$/);
|
|---|
| 1116 |
|
|---|
| 1117 | # sort into ascending order
|
|---|
| 1118 | return $a_num <=> $b_num;
|
|---|
| 1119 | } @$fldv_filtered_dirs;
|
|---|
| 1120 |
|
|---|
| 1121 | $sorted_fldv_filtered_dirs_json = encode_json \@sorted_fldv_filtered_dirs;
|
|---|
| 1122 | }
|
|---|
| 1123 |
|
|---|
| 1124 | $gsdl_cgi->generate_ok_message($sorted_fldv_filtered_dirs_json);
|
|---|
| 1125 | }
|
|---|
| 1126 |
|
|---|
| 1127 |
|
|---|
| 1128 | sub get_metadata_from_archive_xml
|
|---|
| 1129 | {
|
|---|
| 1130 | my $self = shift @_;
|
|---|
| 1131 | my ($gsdl_cgi, $doc_xml_filename, $metaname, $metapos, $secid) = @_;
|
|---|
| 1132 |
|
|---|
| 1133 | my @start_rules = ('Section' => \&dxml_start_section);
|
|---|
| 1134 |
|
|---|
| 1135 | my @rules =
|
|---|
| 1136 | (
|
|---|
| 1137 | _default => 'raw',
|
|---|
| 1138 | 'Metadata' => \&gfdxml_metadata
|
|---|
| 1139 | );
|
|---|
| 1140 |
|
|---|
| 1141 | my $parser = XML::Rules->new
|
|---|
| 1142 | (
|
|---|
| 1143 | start_rules => \@start_rules,
|
|---|
| 1144 | rules => \@rules,
|
|---|
| 1145 | output_encoding => 'utf8'
|
|---|
| 1146 | );
|
|---|
| 1147 |
|
|---|
| 1148 | my $xml_in = "";
|
|---|
| 1149 | if (!open(MIN,"<$doc_xml_filename"))
|
|---|
| 1150 | {
|
|---|
| 1151 | $gsdl_cgi->generate_error("Unable to read in $doc_xml_filename: $!");
|
|---|
| 1152 | }
|
|---|
| 1153 | else
|
|---|
| 1154 | {
|
|---|
| 1155 | # Read them in
|
|---|
| 1156 | my $line;
|
|---|
| 1157 | while (defined ($line=<MIN>)) {
|
|---|
| 1158 | $xml_in .= $line;
|
|---|
| 1159 | }
|
|---|
| 1160 | close(MIN);
|
|---|
| 1161 |
|
|---|
| 1162 | $parser->parse($xml_in, {metaname => $metaname, metapos => $metapos, secid => $secid});
|
|---|
| 1163 |
|
|---|
| 1164 | if(defined $parser->{'pad'}->{'metavalue'})
|
|---|
| 1165 | {
|
|---|
| 1166 | return $parser->{'pad'}->{'metavalue'};
|
|---|
| 1167 | }
|
|---|
| 1168 | else
|
|---|
| 1169 | {
|
|---|
| 1170 | return "";
|
|---|
| 1171 | }
|
|---|
| 1172 | }
|
|---|
| 1173 | }
|
|---|
| 1174 |
|
|---|
| 1175 | # unused and untested
|
|---|
| 1176 | sub get_text_from_archive_xml
|
|---|
| 1177 | {
|
|---|
| 1178 | my $self = shift @_;
|
|---|
| 1179 | my ($gsdl_cgi, $doc_xml_filename, $secid) = @_;
|
|---|
| 1180 |
|
|---|
| 1181 | # To monitor which section/subsection number we are in
|
|---|
| 1182 | my @start_rules = ('Section' => \&dxml_start_section);
|
|---|
| 1183 |
|
|---|
| 1184 | # set the callback functions for the elements in doc.xml we're interested in, <Content>
|
|---|
| 1185 | my @rules =
|
|---|
| 1186 | (
|
|---|
| 1187 | _default => 'raw',
|
|---|
| 1188 | 'Content' => \&gfdxml_text # gfdxml = get from doc xml?
|
|---|
| 1189 | );
|
|---|
| 1190 |
|
|---|
| 1191 | my $parser = XML::Rules->new
|
|---|
| 1192 | (
|
|---|
| 1193 | start_rules => \@start_rules,
|
|---|
| 1194 | rules => \@rules,
|
|---|
| 1195 | output_encoding => 'utf8'
|
|---|
| 1196 | );
|
|---|
| 1197 |
|
|---|
| 1198 | my $xml_in = "";
|
|---|
| 1199 | if (!open(MIN,"<$doc_xml_filename"))
|
|---|
| 1200 | {
|
|---|
| 1201 | $gsdl_cgi->generate_error("Unable to read in $doc_xml_filename: $!");
|
|---|
| 1202 | }
|
|---|
| 1203 | else
|
|---|
| 1204 | {
|
|---|
| 1205 | # Read them in
|
|---|
| 1206 | my $line;
|
|---|
| 1207 | while (defined ($line=<MIN>)) {
|
|---|
| 1208 | $xml_in .= $line;
|
|---|
| 1209 | }
|
|---|
| 1210 | close(MIN);
|
|---|
| 1211 |
|
|---|
| 1212 | $parser->parse($xml_in, {secid => $secid});
|
|---|
| 1213 |
|
|---|
| 1214 | if(defined $parser->{'pad'}->{'textcontent'})
|
|---|
| 1215 | {
|
|---|
| 1216 | return $parser->{'pad'}->{'textcontent'};
|
|---|
| 1217 | }
|
|---|
| 1218 | else
|
|---|
| 1219 | {
|
|---|
| 1220 | return "";
|
|---|
| 1221 | }
|
|---|
| 1222 | }
|
|---|
| 1223 | }
|
|---|
| 1224 |
|
|---|
| 1225 | sub gfdxml_metadata
|
|---|
| 1226 | {
|
|---|
| 1227 | my ($tagname, $attrHash, $contextArray, $parentDataArray, $parser) = @_;
|
|---|
| 1228 |
|
|---|
| 1229 | if(!($parser->{'parameters'}->{'secid'} eq $parser->{'parameters'}->{'curr_section_num'}))
|
|---|
| 1230 | {
|
|---|
| 1231 | return;
|
|---|
| 1232 | }
|
|---|
| 1233 |
|
|---|
| 1234 | if ($parser->{'parameters'}->{'metaname'} eq $attrHash->{'name'})
|
|---|
| 1235 | {
|
|---|
| 1236 | if (!defined $parser->{'parameters'}->{'poscount'})
|
|---|
| 1237 | {
|
|---|
| 1238 | $parser->{'parameters'}->{'poscount'} = 0;
|
|---|
| 1239 | }
|
|---|
| 1240 | else
|
|---|
| 1241 | {
|
|---|
| 1242 | $parser->{'parameters'}->{'poscount'}++;
|
|---|
| 1243 | }
|
|---|
| 1244 | }
|
|---|
| 1245 |
|
|---|
| 1246 | if (($parser->{'parameters'}->{'metaname'} eq $attrHash->{'name'}) && ($parser->{'parameters'}->{'poscount'} == $parser->{'parameters'}->{'metapos'}))
|
|---|
| 1247 | {
|
|---|
| 1248 | $parser->{'pad'}->{'metavalue'} = $attrHash->{'_content'};
|
|---|
| 1249 | }
|
|---|
| 1250 | }
|
|---|
| 1251 |
|
|---|
| 1252 | # unused and untested - for get_archives_text
|
|---|
| 1253 | sub gfdxml_text
|
|---|
| 1254 | {
|
|---|
| 1255 | my ($tagname, $attrHash, $contextArray, $parentDataArray, $parser) = @_;
|
|---|
| 1256 |
|
|---|
| 1257 | if($parser->{'parameters'}->{'secid'} eq $parser->{'parameters'}->{'curr_section_num'})
|
|---|
| 1258 | {
|
|---|
| 1259 | $parser->{'pad'}->{'textcontent'} = $attrHash->{'_content'}; # the textnode content
|
|---|
| 1260 |
|
|---|
| 1261 | }
|
|---|
| 1262 | else {
|
|---|
| 1263 | return;
|
|---|
| 1264 | }
|
|---|
| 1265 | }
|
|---|
| 1266 |
|
|---|
| 1267 | sub dxml_start_section
|
|---|
| 1268 | {
|
|---|
| 1269 | my ($tagname, $attrHash, $contextArray, $parentDataArray, $parser) = @_;
|
|---|
| 1270 |
|
|---|
| 1271 | my $new_depth = scalar(@$contextArray);
|
|---|
| 1272 |
|
|---|
| 1273 | # print STDERR "**** START SECTION \n";
|
|---|
| 1274 |
|
|---|
| 1275 | if ($new_depth == 1) {
|
|---|
| 1276 | $parser->{'parameters'}->{'curr_section_depth'} = 1;
|
|---|
| 1277 | $parser->{'parameters'}->{'curr_section_num'} = "";
|
|---|
| 1278 | }
|
|---|
| 1279 |
|
|---|
| 1280 | my $old_depth = $parser->{'parameters'}->{'curr_section_depth'};
|
|---|
| 1281 | my $old_secnum = $parser->{'parameters'}->{'curr_section_num'};
|
|---|
| 1282 |
|
|---|
| 1283 | my $new_secnum;
|
|---|
| 1284 |
|
|---|
| 1285 | if ($new_depth > $old_depth) {
|
|---|
| 1286 | # child subsection
|
|---|
| 1287 | $new_secnum = "$old_secnum.1";
|
|---|
| 1288 | }
|
|---|
| 1289 | elsif ($new_depth == $old_depth) {
|
|---|
| 1290 | # sibling section => increase its value by 1
|
|---|
| 1291 | my ($tail_num) = ($old_secnum =~ m/\.(\d+)$/);
|
|---|
| 1292 | $tail_num++;
|
|---|
| 1293 | $new_secnum = $old_secnum;
|
|---|
| 1294 | $new_secnum =~ s/\.(\d+)$/\.$tail_num/;
|
|---|
| 1295 | }
|
|---|
| 1296 | else {
|
|---|
| 1297 | # back up to parent section => lop off tail
|
|---|
| 1298 | $new_secnum = $old_secnum;
|
|---|
| 1299 | $new_secnum =~ s/\.\d+$//;
|
|---|
| 1300 | # remember to increment from parent section
|
|---|
| 1301 | my ($tail_num) = ($new_secnum =~ m/\.(\d+)$/);
|
|---|
| 1302 | $tail_num++;
|
|---|
| 1303 | $new_secnum =~ s/\.(\d+)$/\.$tail_num/;
|
|---|
| 1304 | }
|
|---|
| 1305 |
|
|---|
| 1306 | $parser->{'parameters'}->{'curr_section_depth'} = $new_depth;
|
|---|
| 1307 | $parser->{'parameters'}->{'curr_section_num'} = $new_secnum;
|
|---|
| 1308 |
|
|---|
| 1309 | #print STDERR "**** START SECTION - $new_secnum\n************************\n\n";
|
|---|
| 1310 | 1;
|
|---|
| 1311 | }
|
|---|
| 1312 |
|
|---|
| 1313 | 1;
|
|---|
