/* If you want to use this script, simply add the following line to your [[Special:Mypage/monobook.js]]:   importScript('User:Legokm/linkclassifier.js'); // Linkback: [[User:Legoktm/linkclassifier.js]]   * (Please keep the comment so I can see how many people use this). You will also want to * add some CSS classes, such as those at [[User:Legoktm/linkclassifier.css]]. */   /* If you want this to run "on demand" instead of on every page, set "LinkClassifierOnDemand=true" and  * use mw.util.addPortletLink() or the like to add a button calling LinkClassifier.onDemand().  */   var LinkClassifier={     /* This object maps classes to the categories for which to apply them. Values may be an array of strings or a regex. */     cats:{         deletion:[             'Category:Photos of copyrighted works'         ].sort()     },       callback:function(r, sts, xhr){         if(!r.query) {             if(typeof(window.console)=='undefined' || typeof(window.console.error)!='function')                 throw new Error('Bad response');             window.console.error("Bad response", r);             return;         }         if(r['query-continue']){             var cc=this.rawdata;             for(var k in r['query-continue']){                 for(var k2 in r['query-continue'][k]){                     cc[k2]=r['query-continue'][k][k2];                 }             }             $.ajax({                 url:mw.util.wikiScript('api'),                 dataType:'json',                 type:'POST',                 data:cc,                 rawdata:cc,                 success:arguments.callee,                 error:function(xhr,textStatus,errorThrown){                     throw new Error('AJAX error: '+textStatus+' '+errorThrown);                 }             });         }         r=r.query;           var a=document.getElementById('wikiPreview');         if(!a) a=document.getElementById('bodyContent');         if(!a) throw new Error('Huh? No body content?');         a=a.getElementsByTagName('A');         if(a.length==0) return;           var redir={};         var redirlist=[];         if(r.redirects) for(var i=r.redirects.length-1; i>=0; i--){             redir[r.redirects[i].from]=r.redirects[i].to;             redirlist.push(r.redirects[i].from);         }         if(redirlist.length>0) {             var q = {                 format:'json',                 action:'query',                 titles:redirlist.join('|'),                 prop:'categories|info',                 inprop:'protection',                 cllimit:'max'             };             $.ajax({                 url:mw.util.wikiScript('api'),                 dataType:'json',                 type:'POST',                 data:q,                 rawdata:q,                 success:arguments.callee,                 error:function(xhr,textStatus,errorThrown){                     throw new Error('AJAX error: '+textStatus+' '+errorThrown);                 }             });         }           var prefix=(this.rawdata.redirects?'':'redir-');         var cats={};         var missing={};         var classes={};         if(r.pages) for(var i in r.pages){             missing[r.pages[i].title]=(typeof(r.pages[i].missing)!='undefined');             if(typeof(r.pages[i].categories)!='undefined'){                 cats[r.pages[i].title]=r.pages[i].categories.map(function(a){ return a.title; }).sort();             }             if(typeof(r.pages[i].protection)!='undefined'){                 classes[r.pages[i].title]=[];                 var x={};                 for(var j=r.pages[i].protection.length-1; j>=0; j--){                     var p=prefix+'protection-'+r.pages[i].protection[j].type+'-'+r.pages[i].protection[j].level;                     if(typeof(x[p])=='undefined'){                         x[p]=1;                         classes[r.pages[i].title].push(p);                     }                     if(r.pages[i].protection[j].expiry=='infinity'){                         p+='-indef';                         if(typeof(x[p])=='undefined'){                             x[p]=1;                             classes[r.pages[i].title].push(p);                         }                     }                 }             }             if(typeof(r.pages[i].flagged)!='undefined'){                 if(r.pages[i].lastrevid!=r.pages[i].flagged.stable_revid){                     classes[r.pages[i].title].push('needs-review');                 }             }         }         Array.prototype.forEach.call(a, function(a){             if(typeof(a.wikipage)=='undefined') return;             if(typeof(redir[a.wikipage])!='undefined'){                 $(a).addClass('redirect');                 a.wikipage=redir[a.wikipage];                 a.title=a.wikipage;                 var cns=mw.config.get('wgCanonicalNamespace');                 if(a.wikipage==(cns?cns+':':'')+mw.config.get('wgTitle'))                     $(a).addClass('self-redirect');                 if(missing[a.wikipage])                     $(a).addClass('broken-redirect');             }             var m=a.href.match(/#.*/);             if(m && m[0].substr(0,10)!=="#cite_note"){                 a.title=a.title.replace(/#.*/,'')+m[0].replace(/_/g,' ').replace(/\.([0-9A-F][0-9A-F])/gi, function(x,n){ return String.fromCharCode(parseInt(n,16)); });             }             if(/ \(disambiguation\)$/.test(a.origwikipage)){                 $(a).addClass('intentional-disambiguation');             }             if(typeof(classes[a.wikipage])!='undefined'){                 for(var j=classes[a.wikipage].length-1; j>=0; j--)                     $(a).addClass(classes[a.wikipage][j]);             }             if(a.wikipage!=a.origwikipage && typeof(classes[a.origwikipage])!='undefined'){                 for(var j=classes[a.origwikipage].length-1; j>=0; j--)                     $(a).addClass(classes[a.origwikipage][j]);             }             var c1=[];             if(typeof(cats[a.wikipage])!='undefined'){                 c1=c1.concat(cats[a.wikipage]);             }             if(a.wikipage!=a.origwikipage && typeof(cats[a.origwikipage])!='undefined'){                 c1=c1.concat(cats[a.origwikipage]);             }             if(c1.length>0){                 c1=c1.sort();                 for(var cls in LinkClassifier.cats){                     var i1=c1.length-1;                     var c2=LinkClassifier.cats[cls];                     if(c2 instanceof RegExp){                         while(i1>=0){                             if(c2.test(c1[i1])){                                 $(a).addClass(cls);                                 break;                             }                             i1--;                         }                     } else {                         var i2=c2.length-1;                         while(i1>=0 && i2>=0){                             if(c1[i1]==c2[i2]){                                 $(a).addClass(cls);                                 break;                             }                             (c1[i1]>c2[i2])?--i1:--i2;                         }                     }                 }             }         });     },       getPageName:function(url){         var m=url.match(/\/wiki\/([^?#]+)/);         if(!m) m=url.match(/\/w\/index.php\?(?:.*&)?title=([^&#]+)/);         if(!m) return '';         var t=decodeURIComponent(m[1]).replace(/_/g,' ');         if(t.substr(0,6)=='Image:') t='File:'+t.substr(6);         if(t.substr(0,11)=='Image talk:') t='File talk:'+t.substr(6);         if(t.substr(0,8)=='Special:') t='';         return t;     },       classifyChildren:function(node){         mw.loader.using(['mediawiki.util','mediawiki.user'], function(){             var a=node.getElementsByTagName('A');             if(a.length==0) return;             var self=LinkClassifier.getPageName(location.href);             a=Array.prototype.map.call(a, function(a){                 a.wikipage='';                 if(/(^|\s)(external|extiw)(\s|$)/.test(a.className)) return '';                 if(!/(^|\s)(image)(\s|$)/.test(a.className)) a.className+=" nonimage";                 a.wikipage=LinkClassifier.getPageName(a.href);                 if(a.wikipage==self) a.wikipage='';                 a.origwikipage=a.wikipage;                 return a.wikipage;             }).sort().filter(function(e,i,a){                 return e!=='' && (i==0 || a[i-1]!==e);             });               function processLinks(limit){                 while(a.length>0){                     var q={                         format:'json',                         action:'query',                         rawcontinue: '',                         titles:a.splice(0,limit).join('|'),                         prop:'categories|info|flagged',                         redirects:1,                         cllimit:'max',                         inprop:'protection'                     };                     $.ajax({                         url:mw.util.wikiScript('api'),                         dataType:'json',                         type:'POST',                         data:q,                         rawdata:q,                         success:LinkClassifier.callback,                         error:function(xhr,textStatus,errorThrown){                             throw new Error('AJAX error: '+textStatus+' '+errorThrown);                         }                     });                 }             }               if(a.length<=100){                 // Not worth querying the API to see if the user has apihighlimits                 processLinks(50);             } else {                 // Note mw.user.getRights queries the API                 mw.user.getRights(function(rights){                     processLinks( (rights.indexOf('apihighlimits')>=0) ? 500 : 50 );                 });             }         });     },       onLoad:function(){         if(window.LinkClassifierOnDemand) return;         if(window.AJAXPreview) window.AJAXPreview.AddOnLoadHook(LinkClassifier.classifyChildren);         LinkClassifier.onDemand();     },       onDemand:function(){         var node=document.getElementById('wikiPreview');         if(!node) node=document.getElementById('bodyContent');         if(node) LinkClassifier.classifyChildren(node);     } };   if(!window.LinkClassifierOnDemand) $(document).ready(LinkClassifier.onLoad);