Wikipedia:WikiProject User scripts/Scripts/livepreview.js
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// Last update: 10 Sep 2005 // by Lupin (some demunging and commenting) based on Pilaf's version of // 21:51, 15 Feb 2005 (UTC) // Script to embed Live Preview in MediaWiki's edit page functionLivePreviewInstall() { copywarn=document.getElementById('editpage-copywarn'); if(copywarn!=null){ varcleaner="<br style=\\'clear:both;\\' />"; LivePreviewHTML='<input type="button" value="Live Preview"' +' onclick="document.getElementById(\'PreviewBox\').innerHTML = wiki2html(editform.wpTextbox1.value) + \'' +cleaner+'\';" />'; LivePreviewHTML+='<div style="margin-top: 5px; margin-bottom: 5px;'+ ' padding: 5px; border: 3px double orange;" id="PreviewBox"></div>'; copywarn.innerHTML=LivePreviewHTML+copywarn.innerHTML; } } // User options varwpUserName=wpUserName||'Wikipedian'; varwpUserSignature=wpUserSignature||wpUserName; varwpShowImages=wpShowImages||true; // System options varwpLanguageCode=wpLanguageCode||'en'; varwpInterwikiCodes=wpInterwikiCodes||'ab|aa|af|ak|sq|als|am|ang|ar|an|arc|hy|roa-rup|as|ast|av|ay|az|bm|ba|eu|be|bn|bh|bi|bs|br|bg|my|ca|ch|ce|chr|chy|ny|zh|zh-tw|zh-cn|cho|cv|kw|co|cr|hr|cs|da|dv|nl|dz|en|eo|et|ee|fo|fj|fi|fr|fy|ff|gl|ka|de|got|el|kl|gn|gu|ht|ha|haw|he|hz|hi|ho|hu|is|io|ig|id|ia|ie|iu|ik|ga|it|ja|jv|kn|kr|csb|ks|kk|km|ki|rw|rn|tlh|kv|kg|ko|kj|ku|ky|lo|la|lv|li|ln|lt|jbo|nds|lg|lb|mk|mg|ms|ml|mt|gv|mi|minnan|mr|mh|zh-min-nan|mo|mn|mus|nah|na|nv|ne|se|no|nn|oc|or|om|pi|fa|pl|pt|pa|ps|qu|ro|rm|ru|sm|sg|sa|sc|gd|sr|sh|st|tn|sn|scn|simple|sd|si|sk|sl|so|st|es|su|sw|ss|sv|tl|ty|tg|ta|tt|te|th|bo|ti|tpi|to|tokipona|ts|tum|tr|tk|tw|uk|ur|ug|uz|ve|vi|vo|wa|cy|wo|xh|ii|yi|yo|za|zu'; varwpBaseArticlePath=wpBaseArticlePath||'/wiki/'; varwpMathBasePath=wpMathBasePath||'/math/'; varwpImageBasePath=wpImageBasePath||'http://upload.wikimedia.org/wikipedia/'+wpLanguageCode+'/'; varwpImageFallbackPath=wpImageFallbackPath||'http://upload.wikimedia.org/wikipedia/commons/'; varwpDefaultThumbWidth=wpDefaultThumbWidth||180; varwpSkinMagnifyClip=wpSkinMagnifyClip||'/skins/common/images/magnify-clip.png'; varwpUserNamespace=wpUserNamespace||'User'; varwpImageNamespace=wpImageNamespace||'Image'; varwpCategoryNamespace=wpCategoryNamespace||'Category'; // Somewhat unpacked code functionwiki2html(str){ str=strip_cr(str); varw=newWikiCode(); w.lines=str.split(/\n/); w.parse(); returnw.html; }; // [[User:Wikipedian|Wikipedian]] varwpSignature='[['+wpUserNamespace+':'+wpUserName+'|'+wpUserSignature+']]'; // [[Image:summat|frame (must include a pipe) varwpBlockImage=newRegExp('^\\[\\['+wpImageNamespace+ ':.*?\\|.*?(?:frame|thumbnail|thumb|none|right|left|center)', 'i'); functionWikiCode(){ this.lines=newArray; this.html=newString; this._endline=function(str){ this.html+=str; this.lines.shift(); }; this.parse=function(){ varp=false; do{ if(h_match=this.lines[0].match(/^(={1,6})(.*)1円(.*)$/)){ // heading: === foo === bar // BUG: bar passes through without being dewikified // eg === foo === ''bar'' p=false; this._endline('<h'+h_match[1].length+'>'+_parse_inline_nowiki(h_match[2])+ '</h'+h_match[1].length+'>'+h_match[3]); }elseif(this.lines[0].match(/^[*#:;]/)){ // list element p=false; this._parse_list(); }elseif(this.lines[0].charAt(0)==' '){ // pre (indicated by leading whitespace) p=false; this._parse_pre(); }elseif(this.lines[0].substr(0,2)=='{|'){ // start of wikitable p=false; this._parse_table(); }elseif(this.lines[0].match(/^----+$/)){ // hr p=false; this._endline('<hr/>'); }elseif(this.lines[0].match(wpBlockImage)){ // block image p=false; this._parse_block_image(); }else{/* fallthrough */ if(this.lines[0]==''){ // blank line if(p=(this.lines.length>1&&this.lines[1]=='')){ // two blank lines, not at the end this._endline('<p><br />');} }else{ if(!p){ this.html+='<p>'; p=true; } this.html+=_parse_inline_nowiki(this.lines[0])+' '; } this.lines.shift(); }/* end fallthrough */ }while(this.lines.length); };/* end this.parse */ this._parse_list=function(){ // called when first line matches /^[*#:;]/ varprev=newString; varl_match,imatch,dt_match; while(this.lines.length&&(l_match=this.lines[0].match(/^([*#:;]+)(.*)$/))){ this.lines.shift(); imatch=str_imatch(prev,l_match[1]); for(vari=prev.length-1;i>=imatch;i--){ if(prev.charAt(i)=='*'){ this.html+='</ul>'; }elseif(prev.charAt(i)=='#'){ this.html+='</ol>'; }else{ this.html+='</d'+((prev.charAt(i)==';')?'t':'d')+'>'; switch(l_match[1].charAt(i)){ case'':case'*':case'#': this.html+='</dl>'; } } } for(vari=imatch;i<l_match[1].length;i++){ if(l_match[1].charAt(i)=='*'){ this.html+='<ul>'; }elseif(l_match[1].charAt(i)=='#'){ this.html+='<ol>'; }else{ switch(prev.charAt(i)){ case'':case'*':case'#': this.html+='<dl>'; } this.html+='<d'+((l_match[1].charAt(i)==';')?'t':'d')+'>'; } } switch(l_match[1].charAt(l_match[1].length-1)){ case'*':case'#': this.html+='<li>'+_parse_inline_nowiki(l_match[2]); break; case';': if(dt_match=l_match[2].match(/(.*?) (:.*?)$/)){ this.html+=_parse_inline_nowiki(dt_match[1]); this.lines.unshift(dt_match[2]); break; } case':': this.html+=_parse_inline_nowiki(l_match[2]); } prev=l_match[1]; }/* while */ for(i=prev.length-1;i>=0;i--){ if(prev.charAt(i)=='*'){ this.html+='</ul>'; }elseif(prev.charAt(i)=='#'){ this.html+='</ol>'; }else{ this.html+='</d'+((prev.charAt(i)==';')?'t':'d')+'></dl>'; } } };/* end this._parse_list */ this._parse_table=function(){ vartable_match; if(table_match=this.lines[0].match(/^\{\|( .*)$/)){ this._endline('<table'+table_match[1]+'>'); }elsethis._endline('<table>'); do{ if(this.lines[0].charAt(0)=='|'){ switch(this.lines[0].charAt(1)){ case'}': this._endline('</table>'); return; case'-': this._endline('<tr '+this.lines[0].match(/\|-*(.*)/)[1]+'>'); break; default: this._parse_table_data(); } }elseif(this.lines[0].charAt(0)=='!'){ this._parse_table_data(); }else{ this.lines.shift(); } }while(this.lines.length) };/* end this._parse_table */ this._parse_table_data=function(){ vartd_match,td_line; // the next line really confuses emacs c-mode indentation td_match=this.lines.shift().match(/^(\|\+|\||!)((?:([^[|]*?)\|(?!\|))?(.*))$/); if(td_match[1]=='|+'){ this.html+='<caption'; }else{ this.html+='<t'+((td_match[1]=='|')?'d':'h'); } if(typeoftd_match[3]!='undefined'){ this.html+=' '+td_match[3]; td_line=td_match[4].split('||'); }else{ td_line=td_match[2].split('||'); } this.html+='>';while(td_line.length>1){ this.lines.unshift(td_match[1]+td_line.pop()); } this.html+=_parse_inline_nowiki(td_line[0]); vartd=newWikiCode; vartable_count=0; while(this.lines.length){ if(this.lines[0].charAt(0)=='|'){ if(table_count==0)break; elseif(this.lines[0].charAt(1)=='}')table_count--; }elseif(this.lines[0].charAt(0)=='!'&&table_count==0){break;} elseif(this.lines[0].substr(0,2)=='{|') table_count++;td.lines.push(this.lines.shift()); } if(td.lines.length){ td.parse(); } this.html+=td.html; };/* end this._parse_table_data */ this._parse_pre=function(){ this.html+='<pre>'; do{ this._endline(_parse_inline_nowiki(this.lines[0] .substring(1,this.lines[0].length))+"\n"); }while(this.lines.length&&this.lines[0].charAt(0)==' '); this.html+='</pre>'; }; this._parse_block_image=function(){ this.html+=_parse_image(this.lines.shift()); }; };/* end WikiCode constructor */ function_parse_image(str){ varattr=str.substring(wpImageNamespace.length+3,str.length-2).split(/\s*\|\s*/); varfilename=attr[0]; varcaption=attr[attr.length-1]; varwidth,w_match; varthumb=false; varframe=false; varcenter=false; varalign=''; varhtml=''; do{ if(w_match=attr[0].match(/^(\d*)px$/)){ width=w_match[1]; }elseswitch(attr[0]){ case'thumb':case'thumbnail': thumb=true; case'frame': frame=true; break; case'none':case'right':case'left': center=false; align=attr[0]; break; case'center': center=true; align='none'; } attr.shift(); }while(attr.length); if(frame){ if(align=='')align='right'; html+="<div class='thumb t"+align+"'>"; if(thumb){ if(!width)width=wpDefaultThumbWidth; html+="<div style='width:"+(2+parseInt(width))+"px;'>"; html+=_make_image(filename,caption,width); html+="<div class='thumbcaption'>" +"<div class='magnify' style='float:right'><a href='" +wpBaseArticlePath+wpImageNamespace+':'+filename +"' class='internal' title='Enlarge'><img src='" +wpSkinMagnifyClip+"' /></a></div>"+_parse_inline_nowiki(caption) +"</div>"; }else{ html+='<div>'; html+=_make_image(filename,caption); html+="<div class='thumbcaption'>"+_parse_inline_nowiki(caption)+"</div>"; } html+='</div></div>'; }elseif(align!=''){ html+="<div class='float"+align+"'><span>" +_make_image(filename,caption,width) +"</span></div>"; }else{ return_make_image(filename,caption,width); } if(center){ return"<div class='center'>"+html+'</div>'; }else{returnhtml;} }; this._parse_inline_nowiki=function(str){ varstart,lastend=0; varsubstart=0,nestlev=0,open,close,subloop; varhtml=''; while(-1!=(start=str.indexOf('<'+'nowiki>',substart))){ html+=_parse_inline_wiki(str.substring(lastend,start)); start+=8; substart=start; subloop=true; do{ open=str.indexOf('<'+'nowiki>',substart); close=str.indexOf('</nowiki>',substart); if(close<=open||open==-1){ if(close==-1){ returnhtml+html_entities(str.substr(start)); } substart=close+9; if(nestlev){ nestlev--; }else{ lastend=substart; html+=html_entities(str.substring(start,lastend-9));subloop=false; } }else{ substart=open+8; nestlev++; } }while(subloop); } returnhtml+_parse_inline_wiki(str.substr(lastend)); }; function_make_image(filename,caption,width){ filename=filename.charAt(0).toUpperCase()+filename.substr(1); filename=filename.replace(/ /g,'_'); varmd5=hex_md5(filename); varsource=md5.charAt(0)+'/'+md5.substr(0,2)+'/'+filename; varimg; if(wpShowImages){ if(width){ width="width='"+width+"px'"; } img="<img onerror='this.onerror=null;this.src=\"" +wpImageFallbackPath+source+"\";' src='" +wpImageBasePath+source+"' alt='"+caption+"' "+width+"/>"; }else{ img=wpImageNamespace+':'+filename +" <em style='color:red;'>(images disabled)</em>"; } caption=_strip_inline_wiki(caption); return"<a class='image' title='"+caption+"' href='" +wpBaseArticlePath+wpImageNamespace+':' +filename+"'>"+img+"</a>"; }; function_parse_inline_images(str){ varstart,substart=0,nestlev=0; varloop,close,open,wiki,html; while(-1!=(start=str.indexOf('[[',substart))){ if(str.substr(start+2).match(RegExp('^'+wpImageNamespace+':','i'))){ loop=true;substart=start; do{ substart+=2;close=str.indexOf(']]',substart); open=str.indexOf('[[',substart); if(close<=open||open==-1){ if(close==-1)returnstr; substart=close; if(nestlev){ nestlev--; }else{ wiki=str.substring(start,close+2); html=_parse_image(wiki); str=str.replace(wiki,html);substart=start+html.length;loop=false; } }else{ substart=open;nestlev++; } }while(loop); }else{ break; } }/* end while loop */ returnstr; }; function_parse_inline_wiki(str){ varaux_match,math_md5; str=_parse_inline_images(str); while(aux_match=str.match(/<(?:)math>(.*?)<\/math>/i)){ math_md5=hex_md5(aux_match[1]); str=str.replace(aux_match[0],"<img src='"+wpMathBasePath+math_md5+'.png'+"' />"); } returnstr .replace(/'''''(.*?)''(.*?)'''/g,'<strong><em>1ドル</em>2ドル</strong>') .replace(/'''''(.*?)'''(.*?)''/g,'<em><strong>1ドル</strong>2ドル</em>') .replace(/'''(.*?)''(.*?)'''''/g,'<strong>1ドル<em>2ドル</em></strong>') .replace(/'''(.*?)'''/g,'<strong>1ドル</strong>') .replace(/''(.*?)''/g,'<em>1ドル</em>') .replace(/~{5}(?!~)/g,Date()) .replace(/~{4}(?!~)/g,wpSignature+' '+Date()) .replace(/~{3}(?!~)/g,wpSignature) .replace(RegExp('\\[\\[:((?:'+wpCategoryNamespace +'|'+wpInterwikiCodes+'):.*?)\\]\\]','gi'), "<a href='"+wpBaseArticlePath+"1ドル'>1ドル</a>") .replace(RegExp('\\[\\[(?:'+wpCategoryNamespace +'|'+wpInterwikiCodes+'):.*?\\]\\]','gi') ,'') .replace(/\[\[([^|]*?)\]\](\w*)/g,"<a href='"+wpBaseArticlePath+"1ドル'>1ドル2ドル</a>") .replace(/\[\[(.*?)\|([^\]]+?)\]\](\w*)/g, "<a href='"+wpBaseArticlePath+"1ドル'>2ドル3ドル</a>") .replace(/\[\[([^\]]*?:)?(.*?)( *\(.*?\))?\|\]\]/g, "<a href='"+wpBaseArticlePath+"1ドル2ドル3ドル'>2ドル</a>") .replace(/\[(http|news|ftp|mailto|gopher|irc):(\/*)([^\]]*?) (.*?)\]/g, "<a href='1ドル:2ドル3ドル'>4ドル</a>") .replace(/\[http:\/\/(.*?)\]/g,"<a href='http://1ドル'>[#]</a>") .replace(/\[(news|ftp|mailto|gopher|irc):(\/*)(.*?)\]/g, "<a href='1ドル:2ドル3ドル'>1ドル:2ドル3ドル</a>") .replace(/(^| )(http|news|ftp|mailto|gopher|irc):(\/*)([^ $]*)/g, "1ドル<a href='2ドル:3ドル4ドル'>2ドル:3ドル4ドル</a>") .replace('__NOTOC__','') .replace('__NOEDITSECTION__',''); }; function_strip_inline_wiki(str){ returnstr.replace(/\[\[[^\]]*\|(.*?)\]\]/g,'1ドル') .replace(/\[\[(.*?)\]\]/g,'1ドル') .replace(/''(.*?)''/g,'1ドル'); }; functionmax(a,b){ if(a>b)returna; elsereturnb; }; functionmin(a,b){ if(a<b)returna; elsereturnb; }; functionstr_imatch(str_a,str_b){ varlim=min(str_a.length,str_b.length); for(vari=0;i<lim;i++){ if(str_a.charAt(i)!=str_b.charAt(i)) returni; } returni; }; functionstrip_cr(str){ returnstr.replace(/\n\r/g,"\n").replace(/\r/g,''); }; functionhtml_entities(str){ returnstr.replace(/&/g,"&") .replace(/</g,"<") .replace(/>/g,">"); }; /* start md5 nonsense */ varchrsz=8;varhex_tab="0123456789abcdef";functionhex_md5(s){ returnbinl2hex(core_md5(str2binl(s),s.length*chrsz));};functioncore_md5(x,len) {x[len>>5]|=0x80<<((len)%32);x[(((len+64)>>>9)<<4)+14]=len;vara=1732584193;varb=-271733879;varc=-1732584194;vard=271733878;for(vari=0;i<x.length;i+=16) {varolda=a;varoldb=b;varoldc=c;varoldd=d;a=md5_ff(a,b,c,d,x[i+0],7,-680876936);d=md5_ff(d,a,b,c,x[i+1],12,-389564586);c=md5_ff(c,d,a,b,x[i+2],17,606105819);b=md5_ff(b,c,d,a,x[i+3],22,-1044525330);a=md5_ff(a,b,c,d,x[i+4],7,-176418897);d=md5_ff(d,a,b,c,x[i+5],12,1200080426);c=md5_ff(c,d,a,b,x[i+6],17,-1473231341);b=md5_ff(b,c,d,a,x[i+7],22,-45705983);a=md5_ff(a,b,c,d,x[i+8],7,1770035416);d=md5_ff(d,a,b,c,x[i+9],12,-1958414417);c=md5_ff(c,d,a,b,x[i+10],17,-42063);b=md5_ff(b,c,d,a,x[i+11],22,-1990404162);a=md5_ff(a,b,c,d,x[i+12],7,1804603682);d=md5_ff(d,a,b,c,x[i+13],12,-40341101);c=md5_ff(c,d,a,b,x[i+14],17,-1502002290);b=md5_ff(b,c,d,a,x[i+15],22,1236535329);a=md5_gg(a,b,c,d,x[i+1],5,-165796510);d=md5_gg(d,a,b,c,x[i+6],9,-1069501632);c=md5_gg(c,d,a,b,x[i+11],14,643717713);b=md5_gg(b,c,d,a,x[i+0],20,-373897302);a=md5_gg(a,b,c,d,x[i+5],5,-701558691);d=md5_gg(d,a,b,c,x[i+10],9,38016083);c=md5_gg(c,d,a,b,x[i+15],14,-660478335);b=md5_gg(b,c,d,a,x[i+4],20,-405537848);a=md5_gg(a,b,c,d,x[i+9],5,568446438);d=md5_gg(d,a,b,c,x[i+14],9,-1019803690);c=md5_gg(c,d,a,b,x[i+3],14,-187363961);b=md5_gg(b,c,d,a,x[i+8],20,1163531501);a=md5_gg(a,b,c,d,x[i+13],5,-1444681467);d=md5_gg(d,a,b,c,x[i+2],9,-51403784);c=md5_gg(c,d,a,b,x[i+7],14,1735328473);b=md5_gg(b,c,d,a,x[i+12],20,-1926607734);a=md5_hh(a,b,c,d,x[i+5],4,-378558);d=md5_hh(d,a,b,c,x[i+8],11,-2022574463);c=md5_hh(c,d,a,b,x[i+11],16,1839030562);b=md5_hh(b,c,d,a,x[i+14],23,-35309556);a=md5_hh(a,b,c,d,x[i+1],4,-1530992060);d=md5_hh(d,a,b,c,x[i+4],11,1272893353);c=md5_hh(c,d,a,b,x[i+7],16,-155497632);b=md5_hh(b,c,d,a,x[i+10],23,-1094730640);a=md5_hh(a,b,c,d,x[i+13],4,681279174);d=md5_hh(d,a,b,c,x[i+0],11,-358537222);c=md5_hh(c,d,a,b,x[i+3],16,-722521979);b=md5_hh(b,c,d,a,x[i+6],23,76029189);a=md5_hh(a,b,c,d,x[i+9],4,-640364487);d=md5_hh(d,a,b,c,x[i+12],11,-421815835);c=md5_hh(c,d,a,b,x[i+15],16,530742520);b=md5_hh(b,c,d,a,x[i+2],23,-995338651);a=md5_ii(a,b,c,d,x[i+0],6,-198630844);d=md5_ii(d,a,b,c,x[i+7],10,1126891415);c=md5_ii(c,d,a,b,x[i+14],15,-1416354905);b=md5_ii(b,c,d,a,x[i+5],21,-57434055);a=md5_ii(a,b,c,d,x[i+12],6,1700485571);d=md5_ii(d,a,b,c,x[i+3],10,-1894986606);c=md5_ii(c,d,a,b,x[i+10],15,-1051523);b=md5_ii(b,c,d,a,x[i+1],21,-2054922799);a=md5_ii(a,b,c,d,x[i+8],6,1873313359);d=md5_ii(d,a,b,c,x[i+15],10,-30611744);c=md5_ii(c,d,a,b,x[i+6],15,-1560198380);b=md5_ii(b,c,d,a,x[i+13],21,1309151649);a=md5_ii(a,b,c,d,x[i+4],6,-145523070);d=md5_ii(d,a,b,c,x[i+11],10,-1120210379);c=md5_ii(c,d,a,b,x[i+2],15,718787259);b=md5_ii(b,c,d,a,x[i+9],21,-343485551);a=safe_add(a,olda);b=safe_add(b,oldb);c=safe_add(c,oldc);d=safe_add(d,oldd);};returnArray(a,b,c,d);};functionmd5_cmn(q,a,b,x,s,t){returnsafe_add(bit_rol(safe_add(safe_add(a,q),safe_add(x,t)),s),b);};functionmd5_ff(a,b,c,d,x,s,t){returnmd5_cmn((b&c)|((~b)&d),a,b,x,s,t);};functionmd5_gg(a,b,c,d,x,s,t){returnmd5_cmn((b&d)|(c&(~d)),a,b,x,s,t);};functionmd5_hh(a,b,c,d,x,s,t){returnmd5_cmn(b^c^d,a,b,x,s,t);};functionmd5_ii(a,b,c,d,x,s,t){returnmd5_cmn(c^(b|(~d)),a,b,x,s,t);};functionsafe_add(x,y){varlsw=(x&0xFFFF)+(y&0xFFFF);varmsw=(x>>16)+(y>>16)+(lsw>>16);return(msw<<16)|(lsw&0xFFFF);};functionbit_rol(num,cnt){return(num<<cnt)|(num>>>(32-cnt));};functionstr2binl(str){varbin=Array();varmask=(1<<chrsz)-1;for(vari=0;i<str.length*chrsz;i+=chrsz)bin[i>>5]|=(str.charCodeAt(i/chrsz)&mask)<<(i%32);returnbin;};functionbinl2hex(binarray){varstr='';for(vari=0;i<binarray.length*4;i++){str+=hex_tab.charAt((binarray[i>>2]>>((i%4)*8+4))&0xF)+hex_tab.charAt((binarray[i>>2]>>((i%4)*8))&0xF);}returnstr;}; /* end md5 nonsense */