| 1 | ###########################################################################
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| 2 | #
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| 3 | # MediaWikiPlugin.pm -- html plugin with extra facilities for wiki page
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| 4 | #
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| 5 | # A component of the Greenstone digital library software
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| 6 | # from the New Zealand Digital Library Project at the
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| 7 | # University of Waikato, New Zealand.
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| 8 | #
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| 9 | # Copyright (C) 1999 New Zealand Digital Library Project
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| 10 | #
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| 11 | # This program is free software; you can redistribute it and/or modify
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| 12 | # it under the terms of the GNU General Public License as published by
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| 13 | # the Free Software Foundation; either version 2 of the License, or
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| 14 | # (at your option) any later version.
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| 15 | #
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| 16 | # This program is distributed in the hope that it will be useful,
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| 17 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 19 | # GNU General Public License for more details.
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| 20 | #
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| 21 | # You should have received a copy of the GNU General Public License
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| 22 | # along with this program; if not, write to the Free Software
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| 23 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 24 | #
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| 25 | ###########################################################################
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| 26 | # This plugin is to process an HTML file from a MediaWiki website which downloaded by
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| 27 | # the MediaWikiDownload plug. This plugin will trim MediaWiki functional sections like
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| 28 | # login, discussion, history, etc. Only the navigation and search section could be preserved.
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| 29 | # Searchbox will be modified to search the Greenstone collection instead of the website.
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| 30 | # It also can automatically add the table of contents on the website's Main_Page to the
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| 31 | # collection's Home page.
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| 32 |
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| 33 | package MediaWikiPlugin;
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| 34 |
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| 35 | use HTMLPlugin;
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| 36 | # use ImagePlugin;
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| 37 | # use File::Copy;
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| 38 | use unicode;
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| 39 |
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| 40 |
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| 41 | #use strict; # every perl program should have this!
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| 42 | #no strict 'refs'; # make an exception so we can use variables as filehandles
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| 43 |
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| 44 | sub BEGIN {
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| 45 | @MediaWikiPlugin::ISA = ('HTMLPlugin');
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| 46 | }
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| 47 |
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| 48 | my $arguments =
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| 49 | [
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| 50 | # show the table of contents on collection's home page
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| 51 | { 'name' => "show_toc",
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| 52 | 'desc' => "{MediaWikiPlugin.show_toc}",
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| 53 | 'type' => "flag",
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| 54 | 'reqd' => "no"},
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| 55 | # set to delete the table of contents section on each MediaWiki page
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| 56 | { 'name' => "delete_toc",
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| 57 | 'desc' => "{MediaWikiPlugin.delete_toc}",
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| 58 | 'type' => "flag",
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| 59 | 'reqd' => "no"},
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| 60 | # regexp to match the table of contents
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| 61 | { 'name' => "toc_exp",
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| 62 | 'desc' => "{MediaWikiPlugin.toc_exp}",
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| 63 | 'type' => "regexp",
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| 64 | 'reqd' => "no",
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| 65 | 'deft' => "<table([^>]*)id=(\\\"|')toc(\\\"|')(.|\\n)*?</table>\\n" },
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| 66 | # set to delete the navigation section
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| 67 | { 'name' => "delete_nav",
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| 68 | 'desc' => "{MediaWikiPlugin.delete_nav}",
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| 69 | 'type' => "flag",
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| 70 | 'reqd' => "no",
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| 71 | 'deft' => ""},
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| 72 | # regexp to match the navigation section
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| 73 | { 'name' => "nav_div_exp",
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| 74 | 'desc' => "{MediaWikiPlugin.nav_div_exp}",
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| 75 | 'type' => "regexp",
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| 76 | 'reqd' => "no",
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| 77 | 'deft' => "<div([^>]*)id=(\\\"|')p-navigation(\\\"|')(.|\\n)*?<\/div>" },
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| 78 | # set to delete the searchbox section
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| 79 | { 'name' => "delete_searchbox",
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| 80 | 'desc' => "{MediaWikiPlugin.delete_searchbox}",
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| 81 | 'type' => "flag",
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| 82 | 'reqd' => "no",
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| 83 | 'deft' => ""},
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| 84 | # regexp to match the searchbox section
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| 85 | { 'name' => "searchbox_div_exp",
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| 86 | 'desc' => "{MediaWikiPlugin.searchbox_div_exp}",
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| 87 | 'type' => "regexp",
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| 88 | 'reqd' => "no",
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| 89 | 'deft' => "<div([^>]*)id=(\\\"|')p-search(\\\"|')(.|\\n)*?<\/div>"},
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| 90 | # regexp to match title suffix
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| 91 | # can't use the title_sub option in HTMLPlugin instead
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| 92 | # because title_sub always matches from the begining
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| 93 | { 'name' => "remove_title_suffix_exp",
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| 94 | 'desc' => "{MediaWikiPlugin.remove_title_suffix_exp}",
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| 95 | 'type' => "regexp",
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| 96 | 'reqd' => "no",
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| 97 | 'deft' => ""}
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| 98 | ];
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| 99 |
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| 100 | my $options = { 'name' => "MediaWikiPlugin",
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| 101 | 'desc' => "{MediaWikiPlugin.desc}",
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| 102 | 'abstract' => "no",
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| 103 | 'inherits' => "yes",
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| 104 | 'args' => $arguments };
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| 105 |
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| 106 | sub new {
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| 107 | my ($class) = shift (@_);
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| 108 | my ($pluginlist,$inputargs,$hashArgOptLists) = @_;
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| 109 | push(@$pluginlist, $class);
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| 110 |
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| 111 | push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
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| 112 | push(@{$hashArgOptLists->{"OptList"}},$options);
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| 113 |
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| 114 | my $self = new HTMLPlugin($pluginlist, $inputargs, $hashArgOptLists);
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| 115 | return bless $self, $class;
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| 116 | }
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| 117 |
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| 118 |
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| 119 |
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| 120 | sub process {
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| 121 | my $self = shift (@_);
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| 122 | my ($textref, $pluginfo, $base_dir, $file, $metadata, $doc_obj, $gli) = @_;
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| 123 | my $outhandle = $self->{'outhandle'};
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| 124 |
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| 125 | print $outhandle "MediaWikiPlugin: processing $file\n" if $self->{'verbosity'} > 1;
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| 126 |
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| 127 | my @head_and_body = split(/<body/i,$$textref);
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| 128 | my $head = shift(@head_and_body);
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| 129 | my $body_text = join("<body", @head_and_body);
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| 130 |
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| 131 | $head =~ m/<title>(.+)<\/title>/i;
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| 132 | my $doctitle = $1 if defined $1;
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| 133 |
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| 134 | if (defined $self->{'metadata_fields'} && $self->{'metadata_fields'}=~ /\S/) {
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| 135 | my @doc_properties = split(/<xml>/i,$head);
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| 136 | my $doc_heading = shift(@doc_properties);
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| 137 | my $rest_doc_properties = join(" ", @doc_properties);
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| 138 |
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| 139 | my @extracted_metadata = split(/<\/xml>/i, $rest_doc_properties);
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| 140 | my $extracted_metadata = shift (@extracted_metadata);
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| 141 | $self->extract_metadata($extracted_metadata, $metadata, $doc_obj);
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| 142 | }
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| 143 |
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| 144 | # set the title here if we haven't found it yet
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| 145 | if (!defined $doc_obj->get_metadata_element ($doc_obj->get_top_section(), "Title")) {
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| 146 | if (defined $doctitle && $doctitle =~ /\S/) {
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| 147 | # remove suffix in title if required
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| 148 | my $remove_suffix_exp = $self->{'remove_title_suffix_exp'};
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| 149 | if (defined $remove_suffix_exp && $remove_suffix_exp =~ /\S/){
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| 150 | $doctitle =~ s/$remove_suffix_exp//i;
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| 151 | }
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| 152 | $doc_obj->add_utf8_metadata($doc_obj->get_top_section(), "Title", $doctitle);
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| 153 | } else {
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| 154 | $self->title_fallback($doc_obj,$doc_obj->get_top_section(),$file);
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| 155 | }
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| 156 | }
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| 157 |
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| 158 | # we are only interested in the column-contents div <div id="column-content">
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| 159 | # remove header section, it may contain header images or additional search boxes
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| 160 | my $header_exp = "<div([^>]*)id=(\"|')container(\"|')([^>]*)>(.|\\n)*<div([^>]*)id=(\"|')column-content";
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| 161 | if($body_text =~ /$header_exp/){
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| 162 | $body_text =~ s/$header_exp/<div$1id='container'$4><div$6id='column-content/isg;
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| 163 | } else {
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| 164 | $header_exp = "(.|\\n)*?<div([^>]*)?id=(\"|')column-content";
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| 165 | if($body_text =~ /$header_exp/){
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| 166 | $body_text =~ s/$header_exp/<div$2id='column-content/i;
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| 167 | }
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| 168 | }
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| 169 |
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| 170 | # remove timeline
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| 171 | $body_text =~ s/<div([^>]*)class=("|')smwtimeline("|')[\s\S]*?<\/div>//mg;
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| 172 |
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| 173 | # remove extra bits
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| 174 | my $extra_bits = "Retrieved from(.+)</a>\"";
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| 175 | $body_text =~ s/$extra_bits//isg;
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| 176 |
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| 177 | $body_text =~ s/(<p[^>]*><span[^>]*><o:p> <\/o:p><\/span><\/p>)//isg;
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| 178 | $body_text =~ s/(<p[^>]*><o:p> <\/o:p><\/p>)//isg;
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| 179 | $body_text =~ s/<!\[if !vml\]>/<![if vml]>/g;
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| 180 | $body_text =~ s/( )+/ /sg;
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| 181 |
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| 182 | # get rid of the [edit] buttons
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| 183 | $body_text =~ s/\[<a([^>]*)>edit<\/a>]//g;
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| 184 | # get rid of the last time edit information at the bottom
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| 185 | $body_text =~ s/<a href="([^>]*)edit([^>]*)"([^>]*?)>(\w+)<\/a> \d\d:\d\d,([\s|\w]*?)\(PST\)//g;
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| 186 | # get rid of the (Redirected from ...)
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| 187 | $body_text =~ s/\(Redirected from <a ([^>]*)>(\w|\s)*?<\/a>\)//isg;
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| 188 |
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| 189 | # escape texts macros
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| 190 | $body_text =~ s/_([^\s]*)_/_<span>$1<\/span>_/isg;
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| 191 | # may change the links, like Greenstone_Documentation_All.html, then change back
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| 192 | $body_text =~ s/<a([^>]*)_<span>([^>]*)<\/span>_/<a$1_$2_/isg;
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| 193 |
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| 194 | # define file delimiter for different platforms
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| 195 | my $file_delimiter;
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| 196 | if ($ENV{'GSDLOS'} =~ /^windows$/i) {
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| 197 | $file_delimiter = "\\";
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| 198 | } else {
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| 199 | $file_delimiter = "/";
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| 200 | }
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| 201 |
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| 202 | # IMPORTANT: different delimiter for $base_dir and $file
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| 203 | # $base_dir use forward slash for both windows and linux
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| 204 | # print "\nbase_dir : $base_dir\n\n"; # windows: C:/Program Files/Greenstone2.73/collect/wiki/import
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| 205 | # linux: /research/lh92/greenstone/greenstone2.73/collect/wiki/import
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| 206 | # $file use different delimiters : forward slash for linux; backward slash for windows
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| 207 | # print "\nfile : $file\n\n"; # windows: greenstone.sourceforge.net\wiki\index.php\Access_Processing_using_DBPlugin.html
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| 208 | # linux: greenstone.sourceforge.net/wiki/index.php/Using_GreenstoneWiki.html
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| 209 |
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| 210 | # get the base url for the MediaWiki website
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| 211 | my $safe_delimiter = &safe_escape_regexp($file_delimiter);
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| 212 | my @url_dirs=split($safe_delimiter, $file);
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| 213 | my $url_base = $url_dirs[0];
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| 214 |
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| 215 | # Re-check css files associated with MediaWiki pages
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| 216 | if(defined $base_dir && $base_dir ne ""){
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| 217 | my @css_files;
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| 218 | my $css_file_count = 0;
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| 219 |
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| 220 | # find all the stylesheets imported with @import statement
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| 221 | while($head =~ m"<style type=\"text/css\"(.+)import \"(.+)\""ig){
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| 222 | $css_files[$css_file_count++] = $2 if defined $2;
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| 223 | }
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| 224 |
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| 225 | # download the stylesheets if we haven't downloaded them yet
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| 226 | # add prefix to each style elmement, comment out the body element
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| 227 | # and copy the files to collection's images folder
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| 228 | for ($css_file_count = 0; $css_file_count < scalar(@css_files); $css_file_count++) {
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| 229 |
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| 230 | my $css_file = $css_files[$css_file_count];
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| 231 |
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| 232 | # remove prefix gli/cache directory
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| 233 | $css_file =~ s/^(.+)gli(\\|\/)cache(\\|\/)//i;
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| 234 |
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| 235 | # change the \ delimiter in $css_file to / for consistency
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| 236 | $css_file =~ s/\\/\//isg;
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| 237 | if($css_file !~ /$url_base/) {
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| 238 | $css_file = $url_base . $css_file;
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| 239 | }
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| 240 |
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| 241 | # trim the ? mark append to the end of a stylesheet
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| 242 | $css_file =~ s/\?(.+)$//isg;
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| 243 |
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| 244 | my $css_file_path = &util::filename_cat($base_dir, $css_file);
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| 245 |
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| 246 | # do nothing if we have already downloaded the css files
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| 247 | if (! -e $css_file_path) {
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| 248 |
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| 249 | # check the stylesheet's directory in the import folder
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| 250 | # if the directory doesn't exist, create one
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| 251 | my @dirs = split(/\//i,$css_file);
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| 252 | my $path_check = "$base_dir/";
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| 253 | for (my $i = 0; $i < (scalar(@dirs)-1); $i++) {
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| 254 | $path_check .= $dirs[$i] . "/";
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| 255 | mkdir($path_check) if (! -d $path_check );
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| 256 | }
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| 257 |
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| 258 | # NOTE: wget needs configuration to directly access Internet
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| 259 | # These files should already downloaded if we used the MediaWikiDownload
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| 260 | # downloading
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| 261 | $css_file = "http://$css_file";
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| 262 | print "\ndownloading : " . $css_file . "\n\n";
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| 263 | system("wget", "--non-verbose", "$css_file", "--output-document=$css_file_path");
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| 264 | if ($? != 0) {
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| 265 | print "[ERROR] Download Failed! Make sure WGet connects to Internet directly \n";
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| 266 | print "[ERROR] OR ues the MediaWikiDownload in the GLI DownloadPanel to download from a MediaWiki website\n";
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| 267 | unlink("$css_file_path");
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| 268 | }
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| 269 | } # done with download
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| 270 |
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| 271 | # add a prefix "#wikispecificstyle" to each element
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| 272 | # because we want to preserve this website's formats and don't want to mess up with Greenstone formats
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| 273 | # so we will wrap the web page with a div with id = wikispecificstyle
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| 274 | my $css_content;
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| 275 | if(open(INPUT, "<$css_file_path")){
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| 276 | while(my $line = <INPUT>){
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| 277 | # comment out the body element because we change the body to div
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| 278 | $line =~ s/^(\s*)body(\s*){(\s*)$/$1\/*body$2*\/{$3/isg;
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| 279 |
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| 280 | if($line =~ m/^(.+)\{/i || $line =~ m/^(\s)*#/i){
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| 281 | if($line !~ m/wikispecificstyle/i){
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| 282 | $line = "#wikispecificstyle " . $line;
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| 283 | }
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| 284 | }
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| 285 |
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| 286 | $css_content .= $line;
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| 287 | }
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| 288 | close(INPUT);
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| 289 | open(OUTPUT, ">$css_file_path");
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| 290 | print OUTPUT $css_content;
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| 291 | close(OUTPUT);
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| 292 | }
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| 293 |
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| 294 | # Copy the modified stylesheets to collection's images folder
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| 295 | # for future customization
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| 296 | my $images_dir = $base_dir;
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| 297 | $images_dir =~ s/import$/images/;
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| 298 | $css_file =~ m/(.*)\/(.*)$/;
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| 299 | $images_dir = &util::filename_cat($images_dir, $2);
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| 300 |
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| 301 | if(open(OUTPUT, ">$images_dir")){
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| 302 | print OUTPUT $css_content;
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| 303 | close(OUTPUT);
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| 304 | }
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| 305 | }
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| 306 | }
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| 307 |
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| 308 |
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| 309 | # by default, only preserve navigation box and search box
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| 310 | # others like toolbox, interaction, languages box, will be removed
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| 311 |
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| 312 | # extract the larger part -- footer section
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| 313 | my $print_footer = "<div class=\"printfooter\">(.|\n)+</body>";
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| 314 | $body_text =~ /$print_footer/;
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| 315 | my $footer = "";
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| 316 | $footer = $& if defined $&;
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| 317 | $footer =~ s/<\/body>//isg;
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| 318 |
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| 319 | # trim the comments first
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| 320 | $footer =~ s/<!--[\s\S]*?--[ \t\n\r]*>//isg;
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| 321 |
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| 322 | # contain sections that are to be preserved
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| 323 | my $preserve_sections = "";
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| 324 |
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| 325 | # process the navigation section
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| 326 | my $nav_match_exp = "<div([^>]*)id=(\"|')p-navigation(\"|')(.|\n)*?<\/div>";
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| 327 | if (defined $self->{'nav_div_exp'}) {
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| 328 | $nav_match_exp = $self->{'nav_div_exp'} if ($self->{'nav_div_exp'} =~ /\S/) ;
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| 329 | }
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| 330 |
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| 331 | if (defined $self->{'delete_nav'} && ($self->{'delete_nav'} eq "1")) {
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| 332 | # do nothing
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| 333 | } else {
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| 334 | if ($footer =~ m/$nav_match_exp/ig) {
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| 335 | $preserve_sections = $& ;
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| 336 | } else {
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| 337 | print $outhandle "Can't find the navigation section with : $nav_match_exp\n";
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| 338 | }
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| 339 | # if($preserve_sections =~/\S/){
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| 340 | # $preserve_sections .= "</div>";
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| 341 | # }
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| 342 | }
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| 343 |
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| 344 | # process the searchbox section
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| 345 | my $searchbox_exp = "<div([^>]*)id=(\"|')p-search(\"|')(.|\\n)*?<\/div>";
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| 346 | if(defined $self->{'searchbox_div_exp'}) {
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| 347 | $searchbox_exp = $self->{'searchbox_div_exp'} if ($self->{'searchbox_div_exp'} =~ /\S/);
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| 348 | }
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| 349 |
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| 350 | my $searchbox_section = "";
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| 351 | $footer =~ m/$searchbox_exp/ig;
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| 352 | $searchbox_section = $& if defined $&;
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| 353 |
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| 354 | # make the searchbox form work in Greenstone
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| 355 | if($searchbox_section =~ /\S/){
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| 356 | # replace action
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| 357 | $searchbox_section =~ s/action="([^>]*)"/action="_gwcgi_"/isg;
|
|---|
| 358 |
|
|---|
| 359 | # remove buttons
|
|---|
| 360 | $searchbox_section =~ s/name="search"/name="q"/isg;
|
|---|
| 361 | $searchbox_section =~ s/name="go"//isg;
|
|---|
| 362 | $searchbox_section =~ s/name="fulltext"//isg;
|
|---|
| 363 |
|
|---|
| 364 | # get collection name from $base_dir for c param
|
|---|
| 365 | $base_dir =~ m/\/collect\/(.+)\//i;
|
|---|
| 366 | my $collection_name = "";
|
|---|
| 367 | $collection_name = $1 if defined $1;
|
|---|
| 368 |
|
|---|
| 369 | # add Greenstone search params
|
|---|
| 370 | my $hidden_params = "<input type=\"hidden\" name=\"a\" value=\"q\"/>\n"
|
|---|
| 371 | ."<input type=\"hidden\" name=\"c\" value=\"$collection_name\"/>\n";
|
|---|
| 372 | # ."<input type=\"hidden\" name=\"fqf\" value=\"TX\"/>\n"
|
|---|
| 373 | # ."<input type=\"hidden\" name=\"r\" value=\"1\">\n";
|
|---|
| 374 |
|
|---|
| 375 | $searchbox_section =~ s/<form([^>]*)>/<form$1>\n$hidden_params/isg;
|
|---|
| 376 |
|
|---|
| 377 | # $searchbox_section .= "</div>";
|
|---|
| 378 | } else {
|
|---|
| 379 | print $outhandle "Can't find the searchbox section with : $searchbox_section\n";
|
|---|
| 380 | }
|
|---|
| 381 |
|
|---|
| 382 | # either delete or replace the searchbox
|
|---|
| 383 | if(defined $self->{'delete_searchbox'} && $self->{'delete_searchbox'} eq "1") {
|
|---|
| 384 | # do nothing
|
|---|
| 385 | } else {
|
|---|
| 386 | $preserve_sections .= "\n$searchbox_section\n";
|
|---|
| 387 | }
|
|---|
| 388 |
|
|---|
| 389 | if($preserve_sections ne ""){
|
|---|
| 390 | $preserve_sections = "<div id=\"column-one\">\n" . $preserve_sections . "\n</div>\n";
|
|---|
| 391 | }
|
|---|
| 392 | $preserve_sections = "</div></div></div>\n" . $preserve_sections . "\n</body>";
|
|---|
| 393 |
|
|---|
| 394 | $body_text =~ s/$print_footer/$preserve_sections/isg;
|
|---|
| 395 |
|
|---|
| 396 |
|
|---|
| 397 | # delete other forms in the page
|
|---|
| 398 | my @forms;
|
|---|
| 399 | my $form_count = 0;
|
|---|
| 400 | while($body_text =~ m/<form([^>]*)name=("|')([^>"']*)?("|')/isg){
|
|---|
| 401 | next if($3 eq "searchform");
|
|---|
| 402 | $forms[$form_count++] = $&;
|
|---|
| 403 | }
|
|---|
| 404 | foreach my $form (@forms) {
|
|---|
| 405 | $body_text =~ s/$form[\s\S]*?<\/form>//m;
|
|---|
| 406 | }
|
|---|
| 407 |
|
|---|
| 408 | # process links.
|
|---|
| 409 | # because current WGET 1.10 the -k and -E option doesn't work together
|
|---|
| 410 | # need to 'manually' convert the links to relative links
|
|---|
| 411 | # Dealing with 3 types of links:
|
|---|
| 412 | # -- outgoing links
|
|---|
| 413 | # -- if we have downloaded the target files, link to the internal version (relative link)
|
|---|
| 414 | # -- otherwise, link to the external version (absolute links)
|
|---|
| 415 | # -- in-page links (relative link)
|
|---|
| 416 |
|
|---|
| 417 | # NOTE: (important)
|
|---|
| 418 | # must use the MediaWikiDownload in GLI Download Panel to download files from a MediaWiki website
|
|---|
| 419 | # otherwise, the internal links may have problems
|
|---|
| 420 |
|
|---|
| 421 | # remove the title attribute of <a> tag
|
|---|
| 422 | $body_text =~ s/<a([^>]*)title="(.*?)"/<a$1/isg;
|
|---|
| 423 |
|
|---|
| 424 | # extract all the links
|
|---|
| 425 | my @links;
|
|---|
| 426 | my $link_count = 0;
|
|---|
| 427 | while($body_text =~ m/(href|src)="([^>\s]*)$url_base\/([^>\s]*)"/ig){
|
|---|
| 428 | $links[$link_count++] = "$1=\"$2$url_base/$3\"";
|
|---|
| 429 | }
|
|---|
| 430 |
|
|---|
| 431 | foreach my $cur_link (@links) {
|
|---|
| 432 | # escape greedy match + character
|
|---|
| 433 | $cur_link =~ s/\+/\\+/isg;
|
|---|
| 434 |
|
|---|
| 435 | $cur_link =~ m/(.+)"([^>]*)$url_base\/([^>\s]*)"/;
|
|---|
| 436 | my $external_file_path = "$1\"http://$url_base/$3\"";
|
|---|
| 437 |
|
|---|
| 438 | $body_text =~ s/$cur_link/$external_file_path/i;
|
|---|
| 439 | }
|
|---|
| 440 |
|
|---|
| 441 | # tag links to new wiki pages as red
|
|---|
| 442 | $body_text =~ s/<a([^>]*)class="new"([^>]*)>/<a$1style="color:red"$2)>/gi;
|
|---|
| 443 |
|
|---|
| 444 | # tag links to pages external of the MediaWiki website as blue
|
|---|
| 445 | $body_text =~ s/<a([^>]*)class='external text'([^>]*)>/<a$1style="color:blue"$2)>/gi;
|
|---|
| 446 |
|
|---|
| 447 |
|
|---|
| 448 | # process the table-of-contents section
|
|---|
| 449 | # if 'show_toc' is set, add Main_Page's toc to the collection's About page, change extra.dm file
|
|---|
| 450 | # 1. read _content_ macro from about.dm
|
|---|
| 451 | # 2. append the toc, change all links to the Greenstone internal format for relative links
|
|---|
| 452 | # 3. write to the extra.dm
|
|---|
| 453 | # TODO: we assume the _about:content_ hasn't been specified before
|
|---|
| 454 | # so needs to add function to handle when the macro is already in the extra.dm
|
|---|
| 455 | if($self->{'show_toc'}==1 && $file =~ m/Main_Page.(html|htm)$/){
|
|---|
| 456 |
|
|---|
| 457 | # extract toc of the Main_Page
|
|---|
| 458 | my $mainpage_toc = "";
|
|---|
| 459 | my $toc_exp = "<table([^>]*)id=(\"|')toc(\"|')(.|\\n)*</table>\\n";
|
|---|
| 460 | if($self->{'toc_exp'} =~ /\S/){
|
|---|
| 461 | $toc_exp = $self->{'toc_exp'};
|
|---|
| 462 | }
|
|---|
| 463 | if($body_text =~ /$toc_exp/){
|
|---|
| 464 | $mainpage_toc = $&;
|
|---|
| 465 | }
|
|---|
| 466 |
|
|---|
| 467 | if($mainpage_toc =~ /\S/) {
|
|---|
| 468 |
|
|---|
| 469 | # change the in-page links to relative links, for example, change <a href="#section1"> to
|
|---|
| 470 | # <a href="_httpquery_&a=extlink&rl=1&href=http://www.mediawikisite.com/Main_Page.html#section1">
|
|---|
| 471 | my $file_url_format = $file;
|
|---|
| 472 | $file_url_format =~ s/\\/\//isg;
|
|---|
| 473 | $file_url_format = "http://" . $file_url_format;
|
|---|
| 474 |
|
|---|
| 475 | # encode as URL, otherwise doesn't work on Windows
|
|---|
| 476 | $file_url_format =~ s/([^A-Za-z0-9])/sprintf("%%%02X", ord($1))/seg;
|
|---|
| 477 | $mainpage_toc =~ s/<a href="([^>"#]*)#([^>"]*)"/<a href="_httpquery_&a=extlink&rl=1&href=$file_url_format#$2"/isg;
|
|---|
| 478 |
|
|---|
| 479 |
|
|---|
| 480 | # read the collection's extra.dm
|
|---|
| 481 | my $macro_path = $base_dir;
|
|---|
| 482 | $macro_path =~ s/import$/macros/;
|
|---|
| 483 | my $extradm_file = &util::filename_cat($macro_path, "extra.dm");
|
|---|
| 484 |
|
|---|
| 485 | my $extra_dm = "";
|
|---|
| 486 | if(open(INPUT, "<$extradm_file")){
|
|---|
| 487 | while(my $line = <INPUT>){
|
|---|
| 488 | $extra_dm .= $line;
|
|---|
| 489 | }
|
|---|
| 490 | } else {
|
|---|
| 491 | print $outhandle "can't open file $extradm_file\n";
|
|---|
| 492 | }
|
|---|
| 493 | close(INPUT);
|
|---|
| 494 |
|
|---|
| 495 | # check whether we have changed the macros
|
|---|
| 496 | my @packages = split("package ", $extra_dm);
|
|---|
| 497 | my $about_package = "";
|
|---|
| 498 | foreach my $package (@packages) {
|
|---|
| 499 | $about_package = "package " . $package if($package =~ /^about/);
|
|---|
| 500 | }
|
|---|
| 501 |
|
|---|
| 502 | my $update_extra_dm = 0;
|
|---|
| 503 |
|
|---|
| 504 | if( $about_package =~ /\S/ && $about_package =~ m/_content_(\s*){/ && $about_package =~ m/$mainpage_toc/){
|
|---|
| 505 | print $outhandle "_content_ macro already changed!!!!\n";
|
|---|
| 506 | }
|
|---|
| 507 | # if extra.dm doesn't have an "about package"
|
|---|
| 508 | elsif ($about_package !~ /\S/) {
|
|---|
| 509 | # read _content_ macro from $GSDLHOME/macros/about.dm file
|
|---|
| 510 | my $global_about_package = &read_content_from_about_dm();
|
|---|
| 511 |
|
|---|
| 512 | # create the extra _content_ macro for this collection
|
|---|
| 513 | # add the original content of the _content_ macro
|
|---|
| 514 | $global_about_package =~ m/{(.|\n)*<\/div>\n\n/;
|
|---|
| 515 |
|
|---|
| 516 | # append the new about package to extra.dm
|
|---|
| 517 | $extra_dm .= "\n\npackage about\n_content_$&\n\n";
|
|---|
| 518 | $extra_dm .= "<div class=\"section\">\n$mainpage_toc\n</div>\n</div>\n}";
|
|---|
| 519 |
|
|---|
| 520 | $update_extra_dm = 1;
|
|---|
| 521 | }
|
|---|
| 522 | # the about package exists, but either doesn't have the _content_ macro or
|
|---|
| 523 | # the _content_ macro doesn't contain the toc
|
|---|
| 524 | else {
|
|---|
| 525 | # check if there is a content macro
|
|---|
| 526 | my $content_macro_existed = 0;
|
|---|
| 527 | $content_macro_existed = ($about_package =~ /(\s*|\n)_content_(\s*){/);
|
|---|
| 528 |
|
|---|
| 529 | # if there is one
|
|---|
| 530 | # append a new section div for toc to the end of the document section
|
|---|
| 531 | if($content_macro_existed ==1) {
|
|---|
| 532 | $about_package =~ /(\s*|\n)_content_(\s*){(.|\n)*?}/;
|
|---|
| 533 | my $content_macro = $&;
|
|---|
| 534 | my $new_content_macro = $content_macro;
|
|---|
| 535 | $new_content_macro =~ s/<div[^>]*class="document">(.|\n)*<\/div>/<div$1class="document">$2\n\n<div class="section">\n$mainpage_toc\n<\/div>\n<\/div>/;
|
|---|
| 536 | $extra_dm =~ s/$content_macro/$new_content_macro/mg;
|
|---|
| 537 | }
|
|---|
| 538 | # otherwise, append _content_ macro to the about package
|
|---|
| 539 | else {
|
|---|
| 540 | my $new_about_package = $about_package;
|
|---|
| 541 | $content_macro = &read_content_from_about_dm();
|
|---|
| 542 | $content_macro =~ m/{(.|\n)*<\/div>\n\n/;
|
|---|
| 543 |
|
|---|
| 544 | $new_about_package .= "\n\n_content_$&\n\n";
|
|---|
| 545 | $new_about_package .= "<div class=\"section\">\n$mainpage_toc\n</div>\n</div>\n}";
|
|---|
| 546 | $extra_dm =~ s/$about_package/$new_about_package/mg;
|
|---|
| 547 | }
|
|---|
| 548 |
|
|---|
| 549 | # either the case, we need to update the extra.dm
|
|---|
| 550 | $update_extra_dm = 1;
|
|---|
| 551 | }
|
|---|
| 552 |
|
|---|
| 553 | if($update_extra_dm==1){
|
|---|
| 554 | # write to the extra.dm file of the collection
|
|---|
| 555 | if (open(OUTPUT, ">$extradm_file")) {
|
|---|
| 556 | print OUTPUT $extra_dm;
|
|---|
| 557 | } else {
|
|---|
| 558 | print "can't open $extradm_file\n";
|
|---|
| 559 | }
|
|---|
| 560 | close(OUTPUT);
|
|---|
| 561 | }
|
|---|
| 562 | } else {
|
|---|
| 563 | print $outhandle "Main_Page doesn't have a table-of-contents section\n";
|
|---|
| 564 | }
|
|---|
| 565 | }
|
|---|
| 566 |
|
|---|
| 567 | # If delete_toc is set, remove toc and tof contents.
|
|---|
| 568 | if (defined $self->{'delete_toc'} && ($self->{'delete_toc'} == 1)){
|
|---|
| 569 | if (defined $self->{'toc_exp'} && $self->{'toc_exp'} =~ /\S/){
|
|---|
| 570 | # print "\nit matches toc_exp !!\n" if $body_text =~ /$self->{'toc_exp'}/;
|
|---|
| 571 | if ($body_text =~ /$self->{'toc_exp'}/) {
|
|---|
| 572 | $body_text =~ s/$self->{'toc_exp'}//i;
|
|---|
| 573 | }
|
|---|
| 574 | }
|
|---|
| 575 | }
|
|---|
| 576 |
|
|---|
| 577 | $$textref = "<body" . $body_text;
|
|---|
| 578 |
|
|---|
| 579 | # Wrap the whole page with <div id="wikispecificstyle"></div>
|
|---|
| 580 | # keep the style of this website and don't mess up with the Greenstone styles
|
|---|
| 581 | $$textref =~ s/<body([^>]*)>/$&\n<div id="wikispecificstyle">\n/is;
|
|---|
| 582 | $$textref =~ s/<\/body>/<\/div><\/body>/is;
|
|---|
| 583 |
|
|---|
| 584 | $self->SUPER::process(@_);
|
|---|
| 585 |
|
|---|
| 586 | return 1;
|
|---|
| 587 | }
|
|---|
| 588 |
|
|---|
| 589 |
|
|---|
| 590 | sub extract_metadata
|
|---|
| 591 | {
|
|---|
| 592 | my $self = shift (@_);
|
|---|
| 593 | my ($textref, $metadata, $doc_obj) = @_;
|
|---|
| 594 | my $outhandle = $self->{'outhandle'};
|
|---|
| 595 |
|
|---|
| 596 | return if (!defined $textref);
|
|---|
| 597 |
|
|---|
| 598 | # metadata fields to extract/save. 'key' is the (lowercase) name of the
|
|---|
| 599 | # html meta, 'value' is the metadata name for greenstone to use
|
|---|
| 600 | my %find_fields = ();
|
|---|
| 601 | my ($tag,$value);
|
|---|
| 602 |
|
|---|
| 603 | my $orig_field = "";
|
|---|
| 604 | foreach my $field (split /,/, $self->{'metadata_fields'}) {
|
|---|
| 605 | # support tag<tagname>
|
|---|
| 606 | if ($field =~ /^(.*?)<(.*?)>$/) {
|
|---|
| 607 | # "$2" is the user's preferred gs metadata name
|
|---|
| 608 | $find_fields{lc($1)}=$2; # lc = lowercase
|
|---|
| 609 | $orig_field = $1;
|
|---|
| 610 | } else { # no <tagname> for mapping
|
|---|
| 611 | # "$field" is the user's preferred gs metadata name
|
|---|
| 612 | $find_fields{lc($field)}=$field; # lc = lowercase
|
|---|
| 613 | $orig_field = $field;
|
|---|
| 614 | }
|
|---|
| 615 |
|
|---|
| 616 | if ($textref =~ m/<o:$orig_field>(.*)<\/o:$orig_field>/i){
|
|---|
| 617 | $tag = $orig_field;
|
|---|
| 618 | $value = $1;
|
|---|
| 619 | if (!defined $value || !defined $tag){
|
|---|
| 620 | #print $outhandle "MediaWikiPlugin: can't find VALUE in \"$tag\"\n";
|
|---|
| 621 | next;
|
|---|
| 622 | } else {
|
|---|
| 623 | # clean up and add
|
|---|
| 624 | chomp($value); # remove trailing \n, if any
|
|---|
| 625 | $tag = $find_fields{lc($tag)};
|
|---|
| 626 | #print $outhandle " extracted \"$tag\" metadata \"$value\"\n"
|
|---|
| 627 | # if ($self->{'verbosity'} > 2);
|
|---|
| 628 | $doc_obj->add_utf8_metadata($doc_obj->get_top_section(), $tag, $value);
|
|---|
| 629 | }
|
|---|
| 630 | }
|
|---|
| 631 | }
|
|---|
| 632 | }
|
|---|
| 633 |
|
|---|
| 634 | sub safe_escape_regexp
|
|---|
| 635 | {
|
|---|
| 636 | my $regexp = shift (@_);
|
|---|
| 637 |
|
|---|
| 638 | # if ($ENV{'GSDLOS'} =~ /^windows$/i) {
|
|---|
| 639 | $regexp =~ s/\\/\\\\/isg;
|
|---|
| 640 | #} else {
|
|---|
| 641 | $regexp =~ s/\//\\\//isg;
|
|---|
| 642 | #}
|
|---|
| 643 | return $regexp;
|
|---|
| 644 | }
|
|---|
| 645 |
|
|---|
| 646 | sub read_content_from_about_dm
|
|---|
| 647 | {
|
|---|
| 648 | my $about_macro_file = &util::filename_cat($ENV{'GSDLHOME'}, "macros", "about.dm");
|
|---|
| 649 | my $about_page_content = "";
|
|---|
| 650 | if (open(INPUT, "<$about_macro_file")){
|
|---|
| 651 | while (my $line=<INPUT>){
|
|---|
| 652 | $about_page_content .= $line;
|
|---|
| 653 | }
|
|---|
| 654 | } else {
|
|---|
| 655 | print $outhandle "can't open file $about_macro_file\n";
|
|---|
| 656 | }
|
|---|
| 657 | close(INPUT);
|
|---|
| 658 |
|
|---|
| 659 | # extract the _content_ macro
|
|---|
| 660 | $about_page_content =~ m/_content_ {(.|\n)*<\/div>\n\n<\/div>\n}/i;
|
|---|
| 661 | $about_page_content = $&;
|
|---|
| 662 |
|
|---|
| 663 | return $about_page_content;
|
|---|
| 664 | }
|
|---|
| 665 |
|
|---|
| 666 | 1;
|
|---|
