2 rcs_id('$Id: IncludePage.php,v 1.19 2002-03-02 05:40:33 carstenklapp Exp $');
4 Copyright 1999, 2000, 2001, 2002 $ThePhpWikiProgrammingTeam
6 This file is part of PhpWiki.
8 PhpWiki is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 PhpWiki is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with PhpWiki; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 * IncludePage: include text from another wiki page in this one
26 * usage: <?plugin IncludePage page=OtherPage rev=6 quiet=1 words=50 lines=6?>
27 * author: Joe Edelman <joe@orbis-tertius.net>
30 class WikiPlugin_IncludePage
34 return _("IncludePage");
37 function getDefaultArguments() {
38 return array( 'page' => false, // the page to include
39 'rev' => false, // the revision (defaults to most recent)
40 'quiet' => false, // if set, inclusion appears as normal content
41 'words' => false, // maximum number of words to include
42 'lines' => false, // maximum number of lines to include
43 'section' => false, // include a named section
44 'sectionhead' => false // when including a named section show the heading
48 function firstNWordsOfContent( $n, $content ) {
51 foreach ($content as $line) {
52 $words = explode(' ', $line);
53 if ($wordcount + count($words) > $n) {
54 $new[] = implode(' ', array_slice($words, 0, $n - $wordcount))
55 . "... (first $n words)";
58 $wordcount += count($words);
65 function extractSection ($section, $content, $page, $quiet, $sectionhead) {
66 $qsection = preg_replace('/\s+/', '\s+', preg_quote($section, '/'));
68 if (preg_match("/ ^(!{1,})\\s*$qsection" // section header
69 . " \\s*$\\n?" // possible blank lines
70 . " ( (?: ^.*\\n? )*? )" // some lines
71 . " (?= ^\\1 | \\Z)/xm", // sec header (same or higher level) (or EOF)
72 implode("\n", $content),
74 // Strip trailing blanks lines and ---- <hr>s
75 $text = preg_replace("/\\s*^-{4,}\\s*$/m", "", $match[2]);
77 $text = $match[1] . $section ."\n". $text;
78 return explode("\n", $text);
81 $mesg = $page ." ". $section;
84 return array(sprintf(_("<%s: no such section>"), $mesg));
87 function run($dbi, $argstr, $request) {
89 extract($this->getArgs($argstr, $request));
92 return $this->error(_("no page specified"));
95 // A page can include itself once (this is needed, e.g., when editing
96 // TextFormattingRules).
97 static $included_pages = array();
98 if (in_array($page, $included_pages)) {
99 return $this->error(sprintf(_("recursive inclusion of page %s"), $page));
102 $p = $dbi->getPage($page);
105 $r = $p->getRevision($rev);
107 return $this->error(sprintf(_("%s(%d): no such revision"), $page,
111 $r = $p->getCurrentRevision();
114 $c = $r->getContent();
117 $c = $this->extractSection($section, $c, $page, $quiet, $sectionhead);
119 $c = array_slice($c, 0, $lines);
121 $c = $this->firstNWordsOfContent($words, $c);
124 array_push($included_pages, $page);
126 include_once('lib/BlockParser.php');
127 $content = TransformText(implode("\n", $c), $r->get('markup'));
129 array_pop($included_pages);
131 if ($quiet) return $content;
133 return HTML(HTML::p(array('class' => 'transclusion-title'),
134 fmt("Included from %s",
137 HTML::div(array('class' => 'transclusion'),
142 // This is an excerpt from the css file I use:
144 // .transclusion-title {
145 // font-style: oblique;
146 // font-size: 0.75em;
147 // text-decoration: underline;
148 // text-align: right;
151 // DIV.transclusion {
152 // background: lightgreen;
154 // border-style: solid;
155 // padding-left: 0.8em;
156 // padding-right: 0.8em;
158 // padding-bottom: 0px;
159 // margin: 0.5ex 0px;
163 // - line & word limit doesn't work if the included page itself
171 // c-hanging-comment-ender-p: nil
172 // indent-tabs-mode: nil