CreativeCommonsLicenseDisplay

/*  Copyright (c) 2012-2015, Tamara Temple <tamouse@gmail.com>. 
    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
    (at your option) any later version. See pmwiki.php for full details
    and lack of warranty.
*/
// nice markup for CC licenses
//
// Usage: (:cc-license [type=(by|by-nc|by-nc-sa)] [title=<name of work>] [work=<URL of work>] [author=<name of author>] [authorurl=<link to author's contact page>] [permissions=<link to more permissions page>]:)
//
// Defaults:
//   type: by-nc-sa
//   title: $WikiTitle
//   work: $ScriptDirUrl
//   author: Anonymous
//   authorurl: blank
//   permissions: $ScriptDirUrl?n=Site.Permissions
//
Markup('creativecommonslicenses', /* unique markup identifier */
       '<links',		  /* don't want pmwiki to reprocess urls in text */
       '/\\(:cc-license\\s*?(.*?):\\)/ei', /* regex for markup recognition */
       "cc_license_markup('$1')");
function cc_license_markup($parameters='')
{
  global $WikiTitle, $ScriptUrl;
  $parameters=stripslashes($parameters);

  /* defaults */
  $license_strings = array('by' => 'Attribution',
			   'by-nc' => 'Attribution NonCommercial',
			   'by-nc-sa' => 'Attribution NonCommercial ShareAlike');
  $defaults = array('type'=>'by-nc-sa',
		    'title'=>$WikiTitle,
		    'work'=>$ScriptUrl,
		    'author'=>'Anonymous',
		    'authorurl'=>'',
		    'permissions'=>"{$ScriptUrl}?n=Site.Permissions");
  $LicenseFmt = "<a rel='license' href='\$CCL_URL'>
  <img alt='\$CCL_LogoAlt' style='border-width:0' src='\$CCL_LogoImg' />
  </a>
  <span xmlns:dct='http://purl.org/dc/terms/' href='http://purl.org/dc/dcmitype/Text' property='dct:title' rel='dct:type'><a href='\$CCL_Work'>\$CCL_Title</a></span> by <a xmlns:cc='http://creativecommons.org/ns#' href='\$CCL_AuthorUrl' property='cc:attributionName' rel='cc:attributionURL'>\$CCL_Author</a> is licensed under a <a rel='license' href='\$CCL_URL'>Creative Commons \$CCL_string 3.0 Unported License</a>. Permissions beyond the scope of this license may be available at <a xmlns:cc='http://creativecommons.org/ns#' href='\$CCL_Permissions' rel='cc:morePermissions'>Permissions</a>.";

  $args = array_merge($defaults, ParseArgs($parameters));
  $replacements = array();
  $replacements['$CCL_Title'] = $args['title'];
  $replacements['$CCL_Work'] = $args['work'];
  // NOTE: more precise replacement must preced less precise replacement
  $replacements['$CCL_AuthorUrl'] = $args['authorurl'];
  $replacements['$CCL_Author'] = $args['author'];
  $replacements['$CCL_Permissions'] = $args['permissions'];
  $replacements['$CCL_string'] = (isset($license_strings[$args['type']]) ? $license_strings[$args['type']] : 'Unknown');
  $replacements['$CCL_URL'] = "http://creativecommons.org/licenses/{$args['type']}/3.0/";
  $replacements['$CCL_LogoImg'] = "http://i.creativecommons.org/l/{$args['type']}/3.0/80x15.png";
  $replacements['$CCL_LogoAlt'] = "Creative Commons Licence";
  $return_text = str_replace(array_keys($replacements),array_values($replacements),$LicenseFmt);
  return Keep($return_text);
}

(:cc-license type=(by|by-nc|by-nc-sa) title=<name of work> work=<URL of work> author=<name of author> authorurl=<link to author's contact page> permissions=<link to more permissions page>:)

(:cc-license author="Tamara Temple" authorurl="http://wiki.tamaratemple.com/Profiles/Tamara":)