/**
* Metadata.php -- provides DublinCore and CreativeCommons metadata
* Copyright 2004, Evan Prodromou <evan@wikitravel.org>.
- *
+ *
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
define('RDF_TYPE_PREFS', "application/rdf+xml,text/xml;q=0.7,application/xml;q=0.5,text/rdf;q=0.1");
function wfDublinCoreRdf($article) {
-
+
$url = dcReallyFullUrl($article->mTitle);
-
+
if (rdfSetup()) {
dcPrologue($url);
dcBasics($article);
}
function wfCreativeCommonsRdf($article) {
-
+
if (rdfSetup()) {
global $wgRightsUrl;
-
+
$url = dcReallyFullUrl($article->mTitle);
-
+
ccPrologue();
ccSubPrologue('Work', $url);
dcBasics($article);
$url = htmlspecialchars( $wgRightsUrl );
print " <cc:license rdf:resource=\"$url\" />\n";
}
-
+
ccSubEpilogue('Work');
-
+
if (isset($wgRightsUrl)) {
$terms = ccGetTerms($wgRightsUrl);
if ($terms) {
}
}
}
-
+
ccEpilogue();
}
*/
function rdfSetup() {
global $wgOut, $wgRdfMimeType, $_SERVER;
-
+
$rdftype = wfNegotiateType(wfAcceptToPrefs($_SERVER['HTTP_ACCEPT']), wfAcceptToPrefs(RDF_TYPE_PREFS));
-
+
if (!$rdftype) {
wfHttpError(406, "Not Acceptable", wfMsg("notacceptable"));
return false;
*/
function dcPrologue($url) {
global $wgOutputEncoding;
-
+
$url = htmlspecialchars( $url );
print "<" . "?xml version=\"1.0\" encoding=\"{$wgOutputEncoding}\" ?" . ">
-
-<!DOCTYPE rdf:RDF PUBLIC \"-//DUBLIN CORE//DCMES DTD 2002/07/31//EN\" \"http://dublincore.org/documents/2002/07/31/dcmes-xml/dcmes-xml-dtd.dtd\">
-
-<rdf:RDF xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"
- xmlns:dc=\"http://purl.org/dc/elements/1.1/\">
- <rdf:Description rdf:about=\"$url\">
-";
+
+ <!DOCTYPE rdf:RDF PUBLIC \"-//DUBLIN CORE//DCMES DTD 2002/07/31//EN\" \"http://dublincore.org/documents/2002/07/31/dcmes-xml/dcmes-xml-dtd.dtd\">
+
+ <rdf:RDF xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"
+ xmlns:dc=\"http://purl.org/dc/elements/1.1/\">
+ <rdf:Description rdf:about=\"$url\">
+ ";
}
/**
*/
function dcEpilogue() {
print "
- </rdf:Description>
-</rdf:RDF>
-";
+ </rdf:Description>
+ </rdf:RDF>
+ ";
}
/**
*/
function dcBasics($article) {
global $wgContLanguageCode, $wgSitename;
-
+
dcElement('title', $article->mTitle->getText());
dcPageOrString('publisher', wfMsg('aboutpage'), $wgSitename);
dcElement('language', $wgContLanguageCode);
dcPerson('creator', 0);
} else {
dcPerson('creator', $last_editor, $article->getUserText(),
- User::whoIsReal($last_editor));
+ User::whoIsReal($last_editor));
}
$contributors = $article->getContributors();
-
+
foreach ($contributors as $user_parts) {
dcPerson('contributor', $user_parts[0], $user_parts[1], $user_parts[2]);
}
-
+
dcRights($article);
}
*/
function ccPrologue() {
global $wgOutputEncoding;
-
+
echo "<" . "?xml version='1.0' encoding='{$wgOutputEncoding}' ?" . ">
-
-<rdf:RDF xmlns:cc=\"http://web.resource.org/cc/\"
- xmlns:dc=\"http://purl.org/dc/elements/1.1/\"
- xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\">
-";
-}
+
+ <rdf:RDF xmlns:cc=\"http://web.resource.org/cc/\"
+ xmlns:dc=\"http://purl.org/dc/elements/1.1/\"
+ xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\">
+ ";
+}
/**
* @private
function ccSubPrologue($type, $url) {
$url = htmlspecialchars( $url );
echo " <cc:{$type} rdf:about=\"{$url}\">\n";
-}
+}
/**
* @private
*/
function ccSubEpilogue($type) {
echo " </cc:{$type}>\n";
-}
+}
/**
* @private
*/
function ccLicense($terms) {
-
+
foreach ($terms as $term) {
switch ($term) {
- case 're':
+ case 're':
ccTerm('permits', 'Reproduction'); break;
- case 'di':
+ case 'di':
ccTerm('permits', 'Distribution'); break;
- case 'de':
+ case 'de':
ccTerm('permits', 'DerivativeWorks'); break;
- case 'nc':
+ case 'nc':
ccTerm('prohibits', 'CommercialUse'); break;
- case 'no':
+ case 'no':
ccTerm('requires', 'Notice'); break;
- case 'by':
+ case 'by':
ccTerm('requires', 'Attribution'); break;
- case 'sa':
+ case 'sa':
ccTerm('requires', 'ShareAlike'); break;
- case 'sc':
- ccTerm('requires', 'SourceCode'); break;
+ case 'sc':
+ ccTerm('requires', 'SourceCode'); break;
}
}
}
*/
function dcDate($timestamp) {
return substr($timestamp, 0, 4) . '-'
- . substr($timestamp, 4, 2) . '-'
- . substr($timestamp, 6, 2);
+ . substr($timestamp, 4, 2) . '-'
+ . substr($timestamp, 6, 2);
}
/**
*/
function dcPageOrString($name, $page, $str) {
$nt = Title::newFromText($page);
-
+
if (!$nt || $nt->getArticleID() == 0) {
dcElement($name, $str);
} else {
* @private
*/
function dcRights($article) {
-
+
global $wgRightsPage, $wgRightsUrl, $wgRightsText;
-
+
if (isset($wgRightsPage) &&
($nt = Title::newFromText($wgRightsPage))
&& ($nt->getArticleID() != 0)) {
*/
function ccGetTerms($url) {
global $wgLicenseTerms;
-
+
if (isset($wgLicenseTerms)) {
return $wgLicenseTerms;
} else {
* @private
*/
function getKnownLicenses() {
-
- $ccLicenses = array('by', 'by-nd', 'by-nd-nc', 'by-nc',
- 'by-nc-sa', 'by-sa');
+
+ $ccLicenses = array('by', 'by-nd', 'by-nd-nc', 'by-nc',
+ 'by-nc-sa', 'by-sa');
$ccVersions = array('1.0', '2.0');
$knownLicenses = array();
-
+
foreach ($ccVersions as $version) {
foreach ($ccLicenses as $license) {
if( $version == '2.0' && substr( $license, 0, 2) != 'by' ) {
}
}
}
-
+
/* Handle the GPL and LGPL, too. */
-
+
$knownLicenses['http://creativecommons.org/licenses/GPL/2.0/'] =
- array('de', 're', 'di', 'no', 'sa', 'sc');
- $knownLicenses['http://creativecommons.org/licenses/LGPL/2.1/'] =
- array('de', 're', 'di', 'no', 'sa', 'sc');
- $knownLicenses['http://www.gnu.org/copyleft/fdl.html'] =
- array('de', 're', 'di', 'no', 'sa', 'sc');
-
+ array('de', 're', 'di', 'no', 'sa', 'sc');
+ $knownLicenses['http://creativecommons.org/licenses/LGPL/2.1/'] =
+ array('de', 're', 'di', 'no', 'sa', 'sc');
+ $knownLicenses['http://www.gnu.org/copyleft/fdl.html'] =
+ array('de', 're', 'di', 'no', 'sa', 'sc');
+
return $knownLicenses;
}