Difference between revisions of "MediaWiki:Gadget-DotsSyntaxHighlighter.js"

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(what the heck, support experimental tab-size property per Keφr's request)
 
(sync with User:Remember the dot/Syntax highlighter.js: what the heck, support experimental tab-size property per Keφr's request)
Line 1: Line 1:
//Syntax highlighter with various advantages
+
(function(){"use strict";function c(e){return new RegExp("("+e+")\n*|"+l,"gm")}function E(){function N(e,t){if(t!=w){r+="'}#s"+l;if(S){r+=":before{";S=false}else{r+=":after{";S=true;++l}if(t){r+="background-color:"+t+";"}r+="content:'";w=t}r+=e}function C(n,r){var i;for(r.lastIndex=t;i=r.exec(e);r.lastIndex=t){if(i[1]){N(e.substring(t,r.lastIndex),n);t=r.lastIndex;return}var s=r.lastIndex-i[0].length;if(t<s){N(e.substring(t,s),n)}t=r.lastIndex;switch(i[0].charAt(0)){case"[":if(i[0].charAt(1)=="["){N("[[",syntaxHighlighterConfig.wikilinkColor||n);C(syntaxHighlighterConfig.wikilinkColor||n,p)}else{N(i[0],syntaxHighlighterConfig.externalLinkColor||n);C(syntaxHighlighterConfig.externalLinkColor||n,d)}break;case"{":if(i[0].charAt(1)=="{"){if(i[0].length==3){N("{{{",syntaxHighlighterConfig.parameterColor||n);C(syntaxHighlighterConfig.parameterColor||n,v)}else{N("{{",syntaxHighlighterConfig.templateColor||n);C(syntaxHighlighterConfig.templateColor||n,m)}}else{N("{|",syntaxHighlighterConfig.tableColor||n);C(syntaxHighlighterConfig.tableColor||n,g)}break;case"<":if(i[0].charAt(1)=="!"){N(i[0],syntaxHighlighterConfig.commentColor||n);break}else{var o=e.indexOf(">",t)+1;if(o==0){N("<",n);t=t-i[0].length+1;break}if(e.charAt(o-2)=="/"){N(e.substring(t-i[0].length,o),syntaxHighlighterConfig.tagColor||n);t=o}else{var u=i[0].substring(1);if(/^(?:nowiki|pre|math|syntaxhighlight|source|timeline|hiero)$/.test(u)){var a="</"+u+">";var f=e.indexOf(a,t);if(f==-1){f=e.length}else{f+=a.length}N(e.substring(t-i[0].length,f),syntaxHighlighterConfig.tagColor||n);t=f}else{N(e.substring(t-i[0].length,o),syntaxHighlighterConfig.tagColor||n);t=o;if(!b[u]){b[u]=c("</"+u+">")}C(syntaxHighlighterConfig.tagColor||n,b[u])}}}break;case"h":case"f":case"m":N(i[0],syntaxHighlighterConfig.externalLinkColor||n);break;case"=":if(/[^=]=+$/.test(e.substring(t,e.indexOf("\n",t)))){N("=",syntaxHighlighterConfig.headingColor||n);C(syntaxHighlighterConfig.headingColor||n,y)}else{N("=",n)}break;case"*":case"#":case":":N(i[0],syntaxHighlighterConfig.listOrIndentColor||n);break;case";":N(";",syntaxHighlighterConfig.headingColor||n);C(syntaxHighlighterConfig.headingColor||n,y);break;case"-":N(i[0],syntaxHighlighterConfig.hrColor||n);break;case"\\":N(i[0],syntaxHighlighterConfig.boldOrItalicColor||n);if(i[0].length==6){if(x){x=false;return}else{x=true;C(syntaxHighlighterConfig.boldOrItalicColor||n,h)}}else{if(T){T=false;return}else{T=true;C(syntaxHighlighterConfig.boldOrItalicColor||n,h)}}break;case"&":N(i[0],syntaxHighlighterConfig.entityColor||n);break;case"~":N(i[0],syntaxHighlighterConfig.signatureColor||n)}}}u=s.value;var e=u.replace(/['\\]/g,"\\$&")+"\n";var t=0;var r="";var l=0;var w;var S=true;var x=false;var T=false;var k=Date.now();C("",h);if(t<e.length){N(e.substring(t),"")}while(a<l){i.appendChild(document.createElement("span")).id="s"+ ++a}o.nodeValue=r.substring(2).replace(/\n/g,"\\A ")+"'}";var L=Date.now();if(L-k>syntaxHighlighterConfig.timeout){clearInterval(f);o.nodeValue="";s.removeEventListener("input",E);var A={};A["ca"]='S\'ha desactivat el remarcar de sintaxi en aquesta pàgina perquè ha tardat massa. El temps màxim permès per a remarcar és $1ms, i el teu ordinador ha trigat $2ms. Prova tancar algunes pestanyes i programes i fer clic en "Mostra la previsualització" o "Mostra els canvis". Si no funciona això, prova altre navegador web, i si això no funciona, prova un ordinador més ràpid.';A["de"]='Die Syntaxhervorhebung wurde auf dieser Seite deaktiviert, da diese zu lange gedauert hat. Die maximal erlaubte Zeit zur Hervorhebung beträgt $1ms und dein Computer benötigte $2ms. Versuche einige Tabs und Programme zu schließen und klicke "Vorschau zeigen" oder "Änderungen zeigen". Wenn das nicht funktioniert, probiere einen anderen Webbrowser und wenn immer noch nicht, probiere einen schnelleren Computer.';A["en"]='Syntax highlighting on this page was disabled because it took too long. The maximum allowed highlighting time is $1ms, and your computer took $2ms. Try closing some tabs and programs and clicking "Show preview" or "Show changes". If that doesn\'t work, try a different web browser, and if that doesn\'t work, try a faster computer.';A["es"]='Se desactivó el resaltar de sintaxis en esta página porque tardó demasiado. El tiempo máximum permitido para resaltar es $1ms, y tu ordenador tardó $2ms. Prueba cerrar algunas pestañas y programas y hacer clic en "Mostrar previsualización" o "Mostrar cambios". Si no funciona esto, prueba otro navegador web, y si eso no funciona, prueba un ordenador más rápido.';A["io"]='Sintaxo-hailaitar en ca pagino esis nekapabligata pro ke konsumis tro multa tempo. La maxima permisata hailaitala tempo es $1ms, e tua ordinatro konsumis $2ms. Probez klozar kelka tabi e programi e kliktar "Previdar" o "Montrez chanji". Se to ne funcionas, probez altra brauzero, e se to ne funcionas, probez plu rapida ordinatro.';A["pt"]='O marcador de sintaxe foi desativado nesta pagina porque demorou demais. O tempo máximo permitido para marcar e $1ms, e seu computador demorou $2ms. Tenta sair de alguns programas e clique em "Mostrar previsão" ou "Mostrar alterações". Se isso não funciona, tenta usar uma outra navegador web, e se ainda não funciona, procura um computador mais rápido.';A=A[n]||A[n.substring(0,n.indexOf("-"))]||A["en"];s.style.backgroundColor="";s.style.position="";i.style.color="red";i.style.fontFamily="";i.style.fontWeight="bold";i.style.height="";var O=document.createRange();O.selectNode(i);i.appendChild(O.createContextualFragment(A.replace("$1",syntaxHighlighterConfig.timeout).replace("$2",L-k)))}}function S(){i.scrollLeft=s.scrollLeft}function x(){i.scrollTop=s.scrollTop}function T(){if(s.value!=u){E()}if(s.scrollLeft!=i.scrollLeft){S()}if(s.scrollTop!=i.scrollTop){x()}}function N(){function e(e,t){if(syntaxHighlighterConfig[e]=="normal"){syntaxHighlighterConfig[e]=t}else if(typeof syntaxHighlighterConfig[e]!="undefined"){return}else if(typeof syntaxHighlighterConfig.defaultColor!="undefined"){syntaxHighlighterConfig[e]=syntaxHighlighterConfig.defaultColor}else{syntaxHighlighterConfig[e]=t}}window.syntaxHighlighterConfig=window.syntaxHighlighterConfig||{};e("boldOrItalicColor","#EEE");e("commentColor","#EFE");e("entityColor","#DFD");e("externalLinkColor","#EFF");e("headingColor","#EEE");e("hrColor","#EEE");e("listOrIndentColor","#EFE");e("parameterColor","#FC6");e("signatureColor","#FC6");e("tagColor","#FEF");e("tableColor","#FFC");e("templateColor","#FFC");e("wikilinkColor","#EEF");syntaxHighlighterConfig.timeout=syntaxHighlighterConfig.timeout||100;r=document.createElement("div");i=document.createElement("div");s=document.getElementById("wpTextbox1");var t=document.createElement("style");t.type="text/css";o=t.appendChild(document.createTextNode(""));var n=window.getComputedStyle(s);var u=s.scrollTop;var a=document.activeElement==s;i.style.backgroundColor=n.backgroundColor;i.style.border="1px solid transparent";i.style.boxSizing="border-box";i.style.color="transparent";i.style.direction=n.direction;i.style.fontFamily=n.fontFamily;i.style.fontSize=n.fontSize;i.style.lineHeight="normal";i.style.overflowX="auto";i.style.overflowY="scroll";i.style.tabSize=n.tabSize;i.style.whiteSpace="pre-wrap";i.style.width="100%";i.style.wordWrap="normal";s.style.backgroundColor="transparent";s.style.border="1px inset gray";s.style.boxSizing="border-box";s.style.lineHeight="normal";s.style.left="0";s.style.margin="0";s.style.overflowX="auto";s.style.overflowY="scroll";s.style.padding="0";s.style.position="absolute";s.style.resize="none";s.style.top="0";s.style.width="100%";s.style.wordWrap="normal";i.style.height=s.offsetHeight+"px";s.style.height=i.style.height;r.style.position="relative";s.parentNode.insertBefore(r,s);r.appendChild(s);r.appendChild(i);i.scrollTop=u;s.scrollTop=u;if(a)s.focus();$(".tool-select *").css({zIndex:5});document.head.appendChild(t);s.addEventListener("input",E);s.addEventListener("scroll",S);s.addEventListener("scroll",x);f=setInterval(T,500);E()}function C(){setTimeout(N,0)}var e=mw.config.get("wgAction");var t=mw.config.get("wgPageContentModel");var n=mw.config.get("wgUserLanguage");var r;var i;var s;var o;var u;var a=-1;var f;var l="\\[(?:\\[|(?:https?:|ftp:)?//|mailto:)|\\{(?:\\{\\{?|\\|)|<(?:[:A-Z_a-zÀ-ÖØ-öø-˿Ͱ-ͽͿ-῿‌‍⁰-↏Ⰰ-⿯、-퟿豈-﷏ﷰ-�][:\\wÀ-ÖØ-öø-˿Ͱ-ͽͿ-῿‌‍⁰-↏Ⰰ-⿯、-퟿豈-﷏ﷰ-�-\\.·̀-ͯ‿-‿-⁀]*(?=/?>| )|!--[^]*?-->)|(?:https?://|ftp://|mailto:)[^\\s\"<>[\\]{-}]*[^\\s\",\\.:;<>[\\]{-}]|^(?:=|[*#:;]+|-{4,})|\\\\'\\\\'(?:\\\\')?|&(?:(?:n(?:bsp|dash)|m(?:dash|inus)|lt|e[mn]sp|thinsp|amp|quot|gt|shy|zwn?j|lrm|rlm|Alpha|Beta|Epsilon|Zeta|Eta|Iota|Kappa|[Mm]u|micro|Nu|[Oo]micron|[Rr]ho|Tau|Upsilon|Chi)|#x[0-9a-fA-F]+);|~{3,5}";var h=new RegExp(l,"gm");var p=c("]][a-zA-Z]*");var d=c("]");var v=c("}}}");var m=c("}}");var g=c("\\|}");var y=c("\n");var b={};var w=$.client.profile().layout=="trident";if((e=="edit"||e=="submit")&&t=="wikitext"&&!w){if(document.readyState=="complete"){C()}else{$(window).load(C)}}})()
//See [[User:Remember the dot/Syntax highlighter]] for more information
+
 
+
(function () {
+
    "use strict";
+
   
+
    //variables that are preserved between function calls
+
    var wgAction = mw.config.get("wgAction");
+
    var wgPageContentModel = mw.config.get("wgPageContentModel");
+
    var wgUserLanguage = mw.config.get("wgUserLanguage");
+
    var textboxContainer;
+
    var wpTextbox0;
+
    var wpTextbox1;
+
    var syntaxStyleTextNode;
+
    var lastText;
+
    var maxSpanNumber = -1; //the number of the last span available, used to tell if creating additional spans is necessary
+
    var highlightSyntaxIfNeededIntervalID;
+
   
+
    /* Define context-specific regexes, one for every common token that ends the
+
      current context.
+
     
+
      An attempt has been made to search for the most common syntaxes first,
+
      thus maximizing performance. Syntaxes that begin with the same character
+
      are searched for at the same time.
+
     
+
      Wiki syntaxes from most common to least common:
+
          [[internal link]] [http:// named external link]
+
          {{template}} {{{template parameter}}} {| table |}
+
          <tag> <!-- comment -->
+
          http:// bare external link
+
          =Heading= * unordered list # ordered list : indent ; small heading  pre ---- horizontal line
+
          ''italic'' '''bold'''
+
          three tildes username four tildes signature five tildes timestamp
+
          &entity;
+
     
+
      The tag-matching regex follows the XML standard closely so that users
+
      won't feel like they have to escape sequences that MediaWiki will never
+
      consider to be tags.
+
     
+
      Only entities for characters which need to be escaped or cannot be
+
      unambiguously represented in a monospace font are highlighted, such as
+
      Greek letters that strongly resemble Latin letters. Use of other entities
+
      is discouraged as a matter of style. For the same reasons, numeric
+
      entities should be in hexadecimal (giving character codes in decimal only
+
      adds confusion).
+
     
+
      Flags: g for global search, m for make ^ match the beginning of each line
+
      and $ the end of each line
+
    */
+
    var breakerRegexBase = "\\[(?:\\[|(?:https?:|ftp:)?//|mailto:)|\\{(?:\\{\\{?|\\|)|<(?:[:A-Z_a-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD][:\\w\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD-\\.\u00B7\u0300-\u036F\u203F-\u203F-\u2040]*(?=/?>| )|!--[^]*?-->)|(?:https?://|ftp://|mailto:)[^\\s\"<>[\\]{-}]*[^\\s\",\\.:;<>[\\]{-}]|^(?:=|[*#:;]+|-{4,})|\\\\'\\\\'(?:\\\\')?|&(?:(?:n(?:bsp|dash)|m(?:dash|inus)|lt|e[mn]sp|thinsp|amp|quot|gt|shy|zwn?j|lrm|rlm|Alpha|Beta|Epsilon|Zeta|Eta|Iota|Kappa|[Mm]u|micro|Nu|[Oo]micron|[Rr]ho|Tau|Upsilon|Chi)|#x[0-9a-fA-F]+);|~{3,5}";
+
    function breakerRegexWithPrefix(prefix)
+
    {
+
        //the stop token has to be at the beginning of the regex so that it takes precedence over substrings of itself.
+
        //suck up newlines into the end token to avoid creating spans with nothing but newlines in them
+
        return new RegExp("(" + prefix + ")\n*|" + breakerRegexBase, "gm");
+
    }
+
    var defaultBreakerRegex          = new RegExp(breakerRegexBase, "gm");
+
    var wikilinkBreakerRegex          = breakerRegexWithPrefix("]][a-zA-Z]*");
+
    var namedExternalLinkBreakerRegex = breakerRegexWithPrefix("]");
+
    var parameterBreakerRegex        = breakerRegexWithPrefix("}}}");
+
    var templateBreakerRegex          = breakerRegexWithPrefix("}}");
+
    var tableBreakerRegex            = breakerRegexWithPrefix("\\|}");
+
    var headingBreakerRegex          = breakerRegexWithPrefix("\n");
+
    var tagBreakerRegexCache          = {};
+
   
+
    //browser workaround triggers
+
    var trident = ($.client.profile().layout == "trident");
+
   
+
    function highlightSyntax()
+
    {
+
        lastText = wpTextbox1.value;
+
        /* Backslashes and apostrophes are CSS-escaped at the beginning and all
+
          parsing regexes and functions are designed to match. On the other hand,
+
          newlines are not escaped until written so that in the regexes ^ and $
+
          work for both newlines and the beginning or end of the string. */
+
        var text = lastText.replace(/['\\]/g, "\\$&") + "\n"; //add a newline to fix scrolling and parsing issues
+
        var i = 0; //the location of the parser as it goes through var text
+
       
+
        var css = "";
+
        var spanNumber = 0;
+
        var lastColor;
+
        var before = true;
+
       
+
        /* Highlighting bold or italic markup presents a special challenge
+
          because the actual MediaWiki parser uses multiple passes to determine
+
          which ticks represent start tags and which represent end tags.
+
          Because that would be too slow for us here, we instead keep track of
+
          what kinds of unclosed opening ticks have been encountered and use
+
          that to make a good guess as to whether the next ticks encountered
+
          are an opening tag or a closing tag.
+
         
+
          The major downsides to this method are that '''apostrophe italic''
+
          and ''italic apostrophe''' are not highlighted correctly, and bold
+
          and italic are both highlighted in the same color. */
+
        var assumedBold = false;
+
        var assumedItalic = false;
+
       
+
        //writes text into to-be-created span elements of wpTextbox0 using :before and :after pseudo-elements
+
        //both :before and :after are used because using two pseudo-elements per span is significantly faster than doubling the number of spans required
+
        function writeText(text, color)
+
        {
+
            //no need to use another span if using the same color
+
            if (color != lastColor)
+
            {
+
                //whitespace is omitted in the hope of increasing performance
+
                css += "'}#s" + spanNumber; //spans will be created with IDs s0 through sN
+
                if (before)
+
                {
+
                    css += ":before{";
+
                    before = false;
+
                }
+
                else
+
                {
+
                    css += ":after{";
+
                    before = true;
+
                    ++spanNumber;
+
                }
+
                if (color)
+
                {
+
                    //"background-color" is 6 characters longer than "background" but the browser processes it faster
+
                    css += "background-color:" + color + ";";
+
                }
+
                css += "content:'";
+
                lastColor = color;
+
            }
+
            css += text;
+
        }
+
       
+
        function highlightBlock(color, breakerRegex)
+
        {
+
            var match;
+
           
+
            for (breakerRegex.lastIndex = i; match = breakerRegex.exec(text); breakerRegex.lastIndex = i)
+
            {
+
                if (match[1])
+
                {
+
                    //end token found
+
                    writeText(text.substring(i, breakerRegex.lastIndex), color);
+
                    i = breakerRegex.lastIndex;
+
                    return;
+
                }
+
               
+
                var endIndexOfLastColor = breakerRegex.lastIndex - match[0].length;
+
                if (i < endIndexOfLastColor) //avoid calling writeText with text == "" to improve performance
+
                {
+
                    writeText(text.substring(i, endIndexOfLastColor), color);
+
                }
+
               
+
                i = breakerRegex.lastIndex;
+
               
+
                switch (match[0].charAt(0)) //cases in this switch should be arranged from most common to least common
+
                {
+
                    case "[":
+
                        if (match[0].charAt(1) == "[")
+
                        {
+
                            //wikilink
+
                            writeText("[[", syntaxHighlighterConfig.wikilinkColor || color);
+
                            highlightBlock(syntaxHighlighterConfig.wikilinkColor || color, wikilinkBreakerRegex);
+
                        }
+
                        else
+
                        {
+
                            //named external link
+
                            writeText(match[0], syntaxHighlighterConfig.externalLinkColor || color);
+
                            highlightBlock(syntaxHighlighterConfig.externalLinkColor || color, namedExternalLinkBreakerRegex);
+
                        }
+
                        break;
+
                    case "{":
+
                        if (match[0].charAt(1) == "{")
+
                        {
+
                            if (match[0].length == 3)
+
                            {
+
                                //parameter
+
                                writeText("{{{", syntaxHighlighterConfig.parameterColor || color);
+
                                highlightBlock(syntaxHighlighterConfig.parameterColor || color, parameterBreakerRegex);
+
                            }
+
                            else
+
                            {
+
                                //template
+
                                writeText("{{", syntaxHighlighterConfig.templateColor || color);
+
                                highlightBlock(syntaxHighlighterConfig.templateColor || color, templateBreakerRegex);
+
                            }
+
                        }
+
                        else //|
+
                        {
+
                            //table
+
                            writeText("{|", syntaxHighlighterConfig.tableColor || color);
+
                            highlightBlock(syntaxHighlighterConfig.tableColor || color, tableBreakerRegex);
+
                        }
+
                        break;
+
                    case "<":
+
                        if (match[0].charAt(1) == "!")
+
                        {
+
                            //comment tag
+
                            writeText(match[0], syntaxHighlighterConfig.commentColor || color);
+
                            break;
+
                        }
+
                        else
+
                        {
+
                            //some other kind of tag, search for its end
+
                            //the search is made easier because XML attributes may not contain the character ">"
+
                            var tagEnd = text.indexOf(">", i) + 1;
+
                            if (tagEnd == 0)
+
                            {
+
                                //not a tag, just a "<" with some text after it
+
                                writeText("<", color);
+
                                i = i - match[0].length + 1;
+
                                break;
+
                            }
+
                           
+
                            if (text.charAt(tagEnd - 2) == "/")
+
                            {
+
                                //empty tag
+
                                writeText(text.substring(i - match[0].length, tagEnd), syntaxHighlighterConfig.tagColor || color);
+
                                i = tagEnd;
+
                            }
+
                            else
+
                            {
+
                                var tagName = match[0].substring(1);
+
                               
+
                                //again, cases are ordered from most common to least common
+
                                if (/^(?:nowiki|pre|math|syntaxhighlight|source|timeline|hiero)$/.test(tagName))
+
                                {
+
                                    //tag that can contain only plain text
+
                                    var stopAfter = "</" + tagName + ">";
+
                                    var endIndex = text.indexOf(stopAfter, i);
+
                                    if (endIndex == -1)
+
                                    {
+
                                        endIndex = text.length;
+
                                    }
+
                                    else
+
                                    {
+
                                        endIndex += stopAfter.length;
+
                                    }
+
                                    writeText(text.substring(i - match[0].length, endIndex), syntaxHighlighterConfig.tagColor || color);
+
                                    i = endIndex;
+
                                }
+
                                else
+
                                {
+
                                    //ordinary tag
+
                                    writeText(text.substring(i - match[0].length, tagEnd), syntaxHighlighterConfig.tagColor || color);
+
                                    i = tagEnd;
+
                                    if (!tagBreakerRegexCache[tagName])
+
                                    {
+
                                        tagBreakerRegexCache[tagName] = breakerRegexWithPrefix("</" + tagName + ">");
+
                                    }
+
                                    highlightBlock(syntaxHighlighterConfig.tagColor || color, tagBreakerRegexCache[tagName]);
+
                                }
+
                            }
+
                        }
+
                        break;
+
                    case "h":
+
                    case "f":
+
                    case "m":
+
                        //bare external link
+
                        writeText(match[0], syntaxHighlighterConfig.externalLinkColor || color);
+
                        break;
+
                    case "=":
+
                        if (/[^=]=+$/.test(text.substring(i, text.indexOf("\n", i)))) //the line begins and ends with an equals sign and has something else in the middle
+
                        {
+
                            //heading
+
                            writeText("=", syntaxHighlighterConfig.headingColor || color);
+
                            highlightBlock(syntaxHighlighterConfig.headingColor || color, headingBreakerRegex);
+
                        }
+
                        else
+
                        {
+
                            writeText("=", color); //move on, process this line as regular wikitext
+
                        }
+
                        break;
+
                    case "*":
+
                    case "#":
+
                    case ":":
+
                        //unordered list, ordered list, indent, small heading
+
                        //just highlight the marker
+
                        writeText(match[0], syntaxHighlighterConfig.listOrIndentColor || color);
+
                        break;
+
                    case ";":
+
                        //small heading
+
                        writeText(";", syntaxHighlighterConfig.headingColor || color);
+
                        highlightBlock(syntaxHighlighterConfig.headingColor || color, headingBreakerRegex);
+
                        break;
+
                    case "-":
+
                        //horizontal line
+
                        writeText(match[0], syntaxHighlighterConfig.hrColor || color);
+
                        break;
+
                    case "\\":
+
                        writeText(match[0], syntaxHighlighterConfig.boldOrItalicColor || color);
+
                        if (match[0].length == 6)
+
                        {
+
                            //bold
+
                            if (assumedBold)
+
                            {
+
                                //end tag
+
                                assumedBold = false;
+
                                return;
+
                            }
+
                            else
+
                            {
+
                                //start tag
+
                                assumedBold = true;
+
                                highlightBlock(syntaxHighlighterConfig.boldOrItalicColor || color, defaultBreakerRegex);
+
                            }
+
                        }
+
                        else
+
                        {
+
                            //italic
+
                            if (assumedItalic)
+
                            {
+
                                //end tag
+
                                assumedItalic = false;
+
                                return;
+
                            }
+
                            else
+
                            {
+
                                //start tag
+
                                assumedItalic = true;
+
                                highlightBlock(syntaxHighlighterConfig.boldOrItalicColor || color, defaultBreakerRegex);
+
                            }
+
                        }
+
                        break;
+
                    case "&":
+
                        //entity
+
                        writeText(match[0], syntaxHighlighterConfig.entityColor || color);
+
                        break;
+
                    case "~":
+
                        //username, signature, timestamp
+
                        writeText(match[0], syntaxHighlighterConfig.signatureColor || color);
+
                }
+
            }
+
        }
+
       
+
       
+
        //start!
+
        var startTime = Date.now();
+
        highlightBlock("", defaultBreakerRegex);
+
       
+
        //output the leftovers (if any) to make sure whitespace etc. matches
+
        if (i < text.length)
+
        {
+
            writeText(text.substring(i), "");
+
        }
+
       
+
        //do we have enough span elements to match the generated CSS?
+
        while (maxSpanNumber < spanNumber)
+
        {
+
            wpTextbox0.appendChild(document.createElement("span")).id = "s" + ++maxSpanNumber;
+
        }
+
       
+
        /* finish CSS: move the extra '} from the beginning to the end and CSS-
+
          escape newlines. CSS ignores the space after the hex code of the
+
          escaped character */
+
        syntaxStyleTextNode.nodeValue = css.substring(2).replace(/\n/g, "\\A ") + "'}";
+
       
+
        //if highlighting took too long, disable it.
+
        var endTime = Date.now();
+
        /*if (typeof(bestTime) == "undefined")
+
        {
+
            window.bestTime = 10000;
+
            highlightSyntaxIfNeededIntervalID = setInterval(highlightSyntax, 250);
+
        }
+
        else
+
        {
+
            if (endTime - startTime < bestTime)
+
            {
+
                bestTime = endTime - startTime;
+
                document.title = bestTime;
+
            }
+
        }//*/
+
        if (endTime - startTime > syntaxHighlighterConfig.timeout)
+
        {
+
            clearInterval(highlightSyntaxIfNeededIntervalID);
+
            syntaxStyleTextNode.nodeValue = "";
+
            wpTextbox1.removeEventListener("input", highlightSyntax);
+
           
+
            var errorMessage = {};
+
            errorMessage["ca"] = "S'ha desactivat el remarcar de sintaxi en aquesta pàgina perquè ha tardat massa. El temps màxim permès per a remarcar és $1ms, i el teu ordinador ha trigat $2ms. Prova tancar algunes pestanyes i programes i fer clic en \"Mostra la previsualització\" o \"Mostra els canvis\". Si no funciona això, prova altre navegador web, i si això no funciona, prova un ordinador més ràpid.";
+
            errorMessage["de"] = "Die Syntaxhervorhebung wurde auf dieser Seite deaktiviert, da diese zu lange gedauert hat. Die maximal erlaubte Zeit zur Hervorhebung beträgt $1ms und dein Computer benötigte $2ms. Versuche einige Tabs und Programme zu schließen und klicke \"Vorschau zeigen\" oder \"Änderungen zeigen\". Wenn das nicht funktioniert, probiere einen anderen Webbrowser und wenn immer noch nicht, probiere einen schnelleren Computer.";
+
            errorMessage["en"] = "Syntax highlighting on this page was disabled because it took too long. The maximum allowed highlighting time is $1ms, and your computer took $2ms. Try closing some tabs and programs and clicking \"Show preview\" or \"Show changes\". If that doesn't work, try a different web browser, and if that doesn't work, try a faster computer.";
+
            errorMessage["es"] = "Se desactivó el resaltar de sintaxis en esta página porque tardó demasiado. El tiempo máximum permitido para resaltar es $1ms, y tu ordenador tardó $2ms. Prueba cerrar algunas pestañas y programas y hacer clic en \"Mostrar previsualización\" o \"Mostrar cambios\". Si no funciona esto, prueba otro navegador web, y si eso no funciona, prueba un ordenador más rápido.";
+
            errorMessage["io"] = "Sintaxo-hailaitar en ca pagino esis nekapabligata pro ke konsumis tro multa tempo. La maxima permisata hailaitala tempo es $1ms, e tua ordinatro konsumis $2ms. Probez klozar kelka tabi e programi e kliktar \"Previdar\" o \"Montrez chanji\". Se to ne funcionas, probez altra brauzero, e se to ne funcionas, probez plu rapida ordinatro.";
+
            errorMessage["pt"] = "O marcador de sintaxe foi desativado nesta pagina porque demorou demais. O tempo máximo permitido para marcar e $1ms, e seu computador demorou $2ms. Tenta sair de alguns programas e clique em \"Mostrar previsão\" ou \"Mostrar alterações\". Se isso não funciona, tenta usar uma outra navegador web, e se ainda não funciona, procura um computador mais rápido.";
+
           
+
            errorMessage = errorMessage[wgUserLanguage] || errorMessage[wgUserLanguage.substring(0, wgUserLanguage.indexOf("-"))] || errorMessage["en"];
+
           
+
            wpTextbox1.style.backgroundColor = "";
+
            wpTextbox1.style.position = "";
+
            wpTextbox0.style.color = "red";
+
            wpTextbox0.style.fontFamily = "";
+
            wpTextbox0.style.fontWeight = "bold";
+
            wpTextbox0.style.height = "";
+
           
+
            var range = document.createRange();
+
            range.selectNode(wpTextbox0); //chrome can't live without this
+
            wpTextbox0.appendChild(range.createContextualFragment(errorMessage.replace("$1", syntaxHighlighterConfig.timeout).replace("$2", endTime - startTime)));
+
        }
+
    }
+
   
+
    function syncScrollX()
+
    {
+
        wpTextbox0.scrollLeft = wpTextbox1.scrollLeft;
+
    }
+
   
+
    function syncScrollY()
+
    {
+
        wpTextbox0.scrollTop = wpTextbox1.scrollTop;
+
    }
+
   
+
    //this function runs once every 500ms to detect changes to wpTextbox1's text that the input event does not catch
+
    //this happens when another script changes the text without knowing that the syntax highlighter needs to be informed
+
    function highlightSyntaxIfNeeded()
+
    {
+
        if (wpTextbox1.value != lastText)
+
        {
+
            highlightSyntax();
+
        }
+
        if (wpTextbox1.scrollLeft != wpTextbox0.scrollLeft)
+
        {
+
            syncScrollX();
+
        }
+
        if (wpTextbox1.scrollTop != wpTextbox0.scrollTop)
+
        {
+
            syncScrollY();
+
        }
+
    }
+
   
+
    function setup()
+
    {
+
        function configureColor(parameterName, hardcodedFallback)
+
        {
+
            if (syntaxHighlighterConfig[parameterName] == "normal")
+
            {
+
                syntaxHighlighterConfig[parameterName] = hardcodedFallback;
+
            }
+
            else if (typeof(syntaxHighlighterConfig[parameterName]) != "undefined")
+
            {
+
                return;
+
            }
+
            else if (typeof(syntaxHighlighterConfig.defaultColor) != "undefined")
+
            {
+
                syntaxHighlighterConfig[parameterName] = syntaxHighlighterConfig.defaultColor;
+
            }
+
            else
+
            {
+
                syntaxHighlighterConfig[parameterName] = hardcodedFallback;
+
            }
+
        }
+
       
+
        window.syntaxHighlighterConfig = window.syntaxHighlighterConfig || {};
+
       
+
        //use 3-digit colors instead of 6-digit colors for performance
+
        configureColor("boldOrItalicColor", "#EEE"); //gray
+
        configureColor("commentColor",       "#EFE"); //green
+
        configureColor("entityColor",       "#DFD"); //green
+
        configureColor("externalLinkColor", "#EFF"); //cyan
+
        configureColor("headingColor",       "#EEE"); //gray
+
        configureColor("hrColor",           "#EEE"); //gray
+
        configureColor("listOrIndentColor", "#EFE"); //green
+
        configureColor("parameterColor",     "#FC6"); //orange
+
        configureColor("signatureColor",     "#FC6"); //orange
+
        configureColor("tagColor",           "#FEF"); //pink
+
        configureColor("tableColor",         "#FFC"); //yellow
+
        configureColor("templateColor",     "#FFC"); //yellow
+
        configureColor("wikilinkColor",     "#EEF"); //blue
+
       
+
        syntaxHighlighterConfig.timeout = syntaxHighlighterConfig.timeout || 100;
+
       
+
        textboxContainer = document.createElement("div");
+
        wpTextbox0 = document.createElement("div");
+
        wpTextbox1 = document.getElementById("wpTextbox1");
+
       
+
        var syntaxStyleElement = document.createElement("style");
+
        syntaxStyleElement.type = "text/css";
+
        syntaxStyleTextNode = syntaxStyleElement.appendChild(document.createTextNode(""));
+
       
+
        //the styling of the textbox and the background div must be kept very similar
+
        var wpTextbox1Style = window.getComputedStyle(wpTextbox1);
+
        var scrollTop = wpTextbox1.scrollTop;
+
        var focus = (document.activeElement == wpTextbox1);
+
       
+
        wpTextbox0.style.backgroundColor = wpTextbox1Style.backgroundColor;
+
        wpTextbox0.style.border         = "1px solid transparent";
+
        wpTextbox0.style.boxSizing       = "border-box";
+
        wpTextbox0.style.color           = "transparent"; //makes it look just a little bit smoother
+
        wpTextbox0.style.direction       = wpTextbox1Style.direction; //because your UI language set in Preferences may have a different direction than the edit box
+
        wpTextbox0.style.fontFamily     = wpTextbox1Style.fontFamily;
+
        wpTextbox0.style.fontSize       = wpTextbox1Style.fontSize;
+
        wpTextbox0.style.lineHeight     = "normal";
+
        wpTextbox0.style.overflowX       = "auto";
+
        wpTextbox0.style.overflowY       = "scroll";
+
        wpTextbox0.style.tabSize         = wpTextbox1Style.tabSize;
+
        wpTextbox0.style.whiteSpace     = "pre-wrap";
+
        wpTextbox0.style.width           = "100%";
+
        wpTextbox0.style.wordWrap       = "normal"; //see below
+
       
+
        wpTextbox1.style.backgroundColor = "transparent";
+
        wpTextbox1.style.border         = "1px inset gray";
+
        wpTextbox1.style.boxSizing       = "border-box";
+
        wpTextbox1.style.lineHeight     = "normal";
+
        wpTextbox1.style.left           = "0";
+
        wpTextbox1.style.margin         = "0"; //firefox wants to put a 1px margin on the top and bottom of the textbox, which throws it out of alignment with wpTextbox0
+
        wpTextbox1.style.overflowX       = "auto";
+
        wpTextbox1.style.overflowY       = "scroll";
+
        wpTextbox1.style.padding         = "0";
+
        wpTextbox1.style.position       = "absolute";
+
        wpTextbox1.style.resize         = "none";
+
        wpTextbox1.style.top             = "0";
+
        wpTextbox1.style.width           = "100%";
+
        wpTextbox1.style.wordWrap       = "normal"; //overall more visually appealing
+
       
+
        //lock both heights to pixel values so that the browser zoom feature works better
+
        wpTextbox0.style.height         = wpTextbox1.offsetHeight + "px";
+
        wpTextbox1.style.height         = wpTextbox0.style.height;
+
       
+
        textboxContainer.style.position = "relative";
+
        wpTextbox1.parentNode.insertBefore(textboxContainer, wpTextbox1);
+
        textboxContainer.appendChild(wpTextbox1);
+
        textboxContainer.appendChild(wpTextbox0);
+
       
+
        //changing the parent resets scrollTop to 0 and removes focus, so we have to bring that back
+
        wpTextbox0.scrollTop = scrollTop;
+
        wpTextbox1.scrollTop = scrollTop;
+
        if (focus) wpTextbox1.focus();
+
       
+
        //fix drop-downs in editing toolbar
+
        $('.tool-select *').css({zIndex: 5});
+
       
+
        document.head.appendChild(syntaxStyleElement);
+
       
+
        wpTextbox1.addEventListener("input", highlightSyntax);
+
        wpTextbox1.addEventListener("scroll", syncScrollX);
+
        wpTextbox1.addEventListener("scroll", syncScrollY);
+
        highlightSyntaxIfNeededIntervalID = setInterval(highlightSyntaxIfNeeded, 500);
+
        highlightSyntax();
+
    }
+
   
+
    function queueSetup()
+
    {
+
        setTimeout(setup, 0);
+
    }
+
   
+
   
+
    //enable the highlighter only when editing wikitext pages
+
    //in the future a separate parser could be added for CSS and JS pages
+
    //blacklist Internet Explorer, it's just too broken
+
    if ((wgAction == "edit" || wgAction == "submit") && wgPageContentModel == "wikitext" && !trident)
+
    {
+
        /* The highlighter has to run after any other script (such as the
+
          editing toolbar) that reparents wpTextbox1. We make sure that
+
          everything else has run by waiting for the page to completely load
+
          and then adding a call to the setup function to the end of the event
+
          queue, so that the setup function runs after any other triggers set
+
          on the load event. */
+
        if (document.readyState == "complete")
+
        {
+
            queueSetup();
+
        }
+
        else
+
        {
+
            $(window).load(queueSetup);
+
        }
+
    }
+
})();
+

Revision as of 03:05, 19 August 2014

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