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ðŸ“„ codemirror.js(159.59 KB)
ðŸ“ util

Editing: codemirror.js

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t.slice(u,u=l[g]),ne(l[g+1],f.cm.options))}e.styleClasses&&(e.styleClasses.bgClass&&(c.bgClass=Jc(e.styleClasses.bgClass,c.bgClass||"")),e.styleClasses.textClass&&(c.textClass=Jc(e.styleClasses.textClass,c.textClass||"")));0==c.map.length&&c.map.push(0,0,c.content.appendChild(hg(a.display.measure)));0==d?(b.measure.map=c.map,b.measure.cache={}):((b.measure.maps||(b.measure.maps=[])).push(c.map),(b.measure.caches||(b.measure.caches=[])).push({}))}T&&(d=c.content.lastChild,/\bcm-tab\b/.test(d.className)||
d.querySelector&&d.querySelector(".cm-tab"))&&(c.content.className="cm-tab-wrap-hack");J(a,"renderLine",a,b.line,c.pre);c.pre.className&&(c.textClass=Jc(c.pre.className,c.textClass||""));return c}function qg(a){var b=t("span","\u2022","cm-invalidchar");b.title="\\u"+a.charCodeAt(0).toString(16);b.setAttribute("aria-label",b.title);return b}function og(a,b,c,d,e,f,g){if(b){if(a.splitSpaces){var h=a.trailingSpace;if(1<b.length&&!/  /.test(b))h=b;else{for(var k="",l=0;l<b.length;l++){var m=b.charAt(l);
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e;c.lineGutter.style.width="";c.lineNumInnerWidth=Math.max(e,c.lineGutter.offsetWidth-d)+1;c.lineNumWidth=c.lineNumInnerWidth+d;c.lineNumChars=c.lineNumInnerWidth?b.length:-1;c.lineGutter.style.width=c.lineNumWidth+"px";ud(a);return!0}return!1}function vd(a,b){var c=a.display,d=Pa(a.display);0>b.top&&(b.top=0);var e=a.curOp&&null!=a.curOp.scrollTop?a.curOp.scrollTop:c.scroller.scrollTop,f=kd(a),g={};b.bottom-b.top>f&&(b.bottom=b.top+f);var h=a.doc.height+jd(c),k=b.top<d,d=b.bottom>h-d;b.top<e?g.scrollTop=
k?0:b.top:b.bottom>e+f&&(f=Math.min(b.top,(d?h:b.bottom)-f),f!=e&&(g.scrollTop=f));e=a.curOp&&null!=a.curOp.scrollLeft?a.curOp.scrollLeft:c.scroller.scrollLeft;a=Na(a)-(a.options.fixedGutter?c.gutters.offsetWidth:0);if(c=b.right-b.left>a)b.right=b.left+a;10>b.left?g.scrollLeft=0:b.left<e?g.scrollLeft=Math.max(0,b.left-(c?0:10)):b.right>a+e-3&&(g.scrollLeft=b.right+(c?0:10)-a);return g}function tc(a,b){null!=b&&(uc(a),a.curOp.scrollTop=(null==a.curOp.scrollTop?a.doc.scrollTop:a.curOp.scrollTop)+b)}
function eb(a){uc(a);var b=a.getCursor();a.curOp.scrollToPos={from:b,to:b,margin:a.options.cursorScrollMargin}}function Eb(a,b,c){null==b&&null==c||uc(a);null!=b&&(a.curOp.scrollLeft=b);null!=c&&(a.curOp.scrollTop=c)}function uc(a){var b=a.curOp.scrollToPos;if(b){a.curOp.scrollToPos=null;var c=Fe(a,b.from),d=Fe(a,b.to);Oe(a,c,d,b.margin)}}function Oe(a,b,c,d){b=vd(a,{left:Math.min(b.left,c.left),top:Math.min(b.top,c.top)-d,right:Math.max(b.right,c.right),bottom:Math.max(b.bottom,c.bottom)+d});Eb(a,
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b}for(;Uc(a.doc,c)!=c;){if(e==(0>d?0:f.length-1))return null;c+=d*f[e-(0>d?1:0)].size;e+=d}return{index:e,lineN:c}}function Ue(a){a=a.display.view;for(var b=0,c=0;c<a.length;c++){var d=a[c];d.hidden||d.node&&!d.changes||++b}return b}function Gb(a,b){a.doc.highlightFrontier<a.display.viewTo&&a.state.highlight.set(b,Kc(yg,a))}function yg(a){var b=a.doc;if(!(b.highlightFrontier>=a.display.viewTo)){var c=+new Date+a.options.workTime,d=vb(a,b.highlightFrontier),e=[];b.iter(d.line,Math.min(b.first+b.size,
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Ne(a)&&(Aa(a),b.dims=md(a));var e=d.first+d.size,f=Math.max(b.visible.from-a.options.viewportMargin,d.first),g=Math.min(e,b.visible.to+a.options.viewportMargin);c.viewFrom<f&&20>f-c.viewFrom&&(f=Math.max(d.first,c.viewFrom));c.viewTo>g&&20>c.viewTo-g&&(g=Math.min(e,c.viewTo));ya&&(f=Uc(a.doc,f),g=$d(a.doc,g));d=f!=c.viewFrom||g!=c.viewTo||c.lastWrapHeight!=b.wrapperHeight||c.lastWrapWidth!=b.wrapperWidth;e=a.display;0==e.view.length||f>=e.viewTo||g<=e.viewFrom?(e.view=oc(a,f,g),e.viewFrom=f):(e.viewFrom>
f?e.view=oc(a,f,e.viewFrom).concat(e.view):e.viewFrom<f&&(e.view=e.view.slice(Oa(a,f))),e.viewFrom=f,e.viewTo<g?e.view=e.view.concat(oc(a,e.viewTo,g)):e.viewTo>g&&(e.view=e.view.slice(0,Oa(a,g))));e.viewTo=g;c.viewOffset=oa(u(a.doc,c.viewFrom));a.display.mover.style.top=c.viewOffset+"px";g=Ue(a);if(!d&&0==g&&!b.force&&c.renderedView==c.view&&(null==c.updateLineNumbers||c.updateLineNumbers>=c.viewTo))return!1;a.hasFocus()?f=null:(f=ra())&&ha(a.display.lineDiv,f)?(f={activeElt:f},window.getSelection&&
(e=window.getSelection(),e.anchorNode&&e.extend&&ha(a.display.lineDiv,e.anchorNode)&&(f.anchorNode=e.anchorNode,f.anchorOffset=e.anchorOffset,f.focusNode=e.focusNode,f.focusOffset=e.focusOffset))):f=null;4<g&&(c.lineDiv.style.display="none");zg(a,c.updateLineNumbers,b.dims);4<g&&(c.lineDiv.style.display="");c.renderedView=c.view;(g=f)&&g.activeElt&&g.activeElt!=ra()&&(g.activeElt.focus(),g.anchorNode&&ha(document.body,g.anchorNode)&&ha(document.body,g.focusNode)&&(f=window.getSelection(),e=document.createRange(),
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b.visible=td(a.display,a.doc,c),b.visible.from>=a.display.viewFrom&&b.visible.to<=a.display.viewTo)break;if(!xd(a,b))break;sc(a);d=Hb(a);Cb(a);fb(a,d);yd(a,d);b.force=!1}b.signal(a,"update",a);if(a.display.viewFrom!=a.display.reportedViewFrom||a.display.viewTo!=a.display.reportedViewTo)b.signal(a,"viewportChange",a,a.display.viewFrom,a.display.viewTo),a.display.reportedViewFrom=a.display.viewFrom,a.display.reportedViewTo=a.display.viewTo}function wd(a,b){b=new vc(a,b);if(xd(a,b)){sc(a);Te(a,b);var c=
Hb(a);Cb(a);fb(a,c);yd(a,c);b.finish()}}function zg(a,b,c){function d(b){var d=b.nextSibling;T&&ia&&a.display.currentWheelTarget==b?b.style.display="none":b.parentNode.removeChild(b);return d}for(var e=a.display,f=a.options.lineNumbers,g=e.lineDiv,h=g.firstChild,k=e.view,e=e.viewFrom,l=0;l<k.length;l++){var m=k[l];if(!m.hidden)if(m.node&&m.node.parentNode==g){for(;h!=m.node;)h=d(h);h=f&&null!=b&&b<=e&&m.lineNumber;m.changes&&(-1<Q(m.changes,"gutter")&&(h=!1),re(a,m,e,c));h&&(H(m.lineNumber),m.lineNumber.appendChild(document.createTextNode(Qc(a.options,
e))));h=m.node.nextSibling}else{var p=tg(a,m,e,c);g.insertBefore(p,h)}e+=m.size}for(;h;)h=d(h)}function ud(a){a.display.sizer.style.marginLeft=a.display.gutters.offsetWidth+"px"}function yd(a,b){a.display.sizer.style.minHeight=b.docHeight+"px";a.display.heightForcer.style.top=b.docHeight+"px";a.display.gutters.style.height=b.docHeight+a.display.barHeight+pa(a)+"px"}function Ve(a){var b=a.display.gutters,c=a.options.gutters;H(b);for(var d=0;d<c.length;++d){var e=c[d],f=b.appendChild(t("div",null,"CodeMirror-gutter "+
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da)),(!c||c&&h)&&V(b),e.wheelStartX=null)}}function la(a,b){b=a[b];a.sort(function(a,b){return A(a.from(),b.from())});b=Q(a,b);for(var c=1;c<a.length;c++){var d=a[c],e=a[c-1];if(0<=A(e.to(),d.from())){var f=ic(e.from(),d.from()),g=hc(e.to(),d.to()),d=e.empty()?d.from()==d.head:e.from()==e.head;c<=b&&--b;a.splice(--c,2,new C(d?g:f,d?f:g))}}return new ea(a,b)}function wa(a,b){return new ea([new C(a,b||a)],0)}function Ca(a){return a.text?r(a.from.line+a.text.length-1,y(a.text).length+(1==a.text.length?
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a.length);if(d(e)==d(a))return!1!==b&&(this.pos+=a.length),!0}else{if((a=this.string.slice(this.pos).match(a))&&0<a.index)return null;a&&!1!==b&&(this.pos+=a[0].length);return a}};L.prototype.current=function(){return this.string.slice(this.start,this.pos)};L.prototype.hideFirstChars=function(a,b){this.lineStart+=a;try{return b()}finally{this.lineStart-=a}};L.prototype.lookAhead=function(a){var b=this.lineOracle;return b&&b.lookAhead(a)};var nc=function(a,b){this.state=a;this.lookAhead=b},ta=function(a,
b,c,d){this.state=b;this.doc=a;this.line=c;this.maxLookAhead=d||0};ta.prototype.lookAhead=function(a){var b=this.doc.getLine(this.line+a);null!=b&&a>this.maxLookAhead&&(this.maxLookAhead=a);return b};ta.prototype.nextLine=function(){this.line++;0<this.maxLookAhead&&this.maxLookAhead--};ta.fromSaved=function(a,b,c){return b instanceof nc?new ta(a,Ma(a.mode,b.state),c,b.lookAhead):new ta(a,Ma(a.mode,b),c)};ta.prototype.save=function(a){a=!1!==a?Ma(this.doc.mode,this.state):this.state;return 0<this.maxLookAhead?
new nc(a,this.maxLookAhead):a};var le=function(a,b,c){this.start=a.start;this.end=a.pos;this.string=a.current();this.type=b||null;this.state=c},gb=function(a,b,c){this.text=a;Xd(this,b);this.height=c?c(this):1};gb.prototype.lineNo=function(){return E(this)};ab(gb);var ng={},mg={},db=null,xb=null,ze={left:0,right:0,top:0,bottom:0},Qa,Za=function(a,b,c){this.cm=c;var d=this.vert=t("div",[t("div",null,null,"min-width: 1px")],"CodeMirror-vscrollbar"),e=this.horiz=t("div",[t("div",null,null,"height: 100%; min-height: 1px")],
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a.scrollHeight-a.clientHeight+(a.viewHeight-(b?d:0)))+"px"):(this.vert.style.display="",this.vert.firstChild.style.height="0");b?(this.horiz.style.display="block",this.horiz.style.right=c?d+"px":"0",this.horiz.style.left=a.barLeft+"px",this.horiz.firstChild.style.width=Math.max(0,a.scrollWidth-a.clientWidth+(a.viewWidth-a.barLeft-(c?d:0)))+"px"):(this.horiz.style.display="",this.horiz.firstChild.style.width="0");!this.checkedZeroWidth&&0<a.clientHeight&&(0==d&&this.zeroWidthHack(),this.checkedZeroWidth=
!0);return{right:c?d:0,bottom:b?d:0}};Za.prototype.setScrollLeft=function(a){this.horiz.scrollLeft!=a&&(this.horiz.scrollLeft=a);this.disableHoriz&&this.enableZeroWidthBar(this.horiz,this.disableHoriz,"horiz")};Za.prototype.setScrollTop=function(a){this.vert.scrollTop!=a&&(this.vert.scrollTop=a);this.disableVert&&this.enableZeroWidthBar(this.vert,this.disableVert,"vert")};Za.prototype.zeroWidthHack=function(){this.horiz.style.height=this.vert.style.width=ia&&!fh?"12px":"18px";this.horiz.style.pointerEvents=
this.vert.style.pointerEvents="none";this.disableHoriz=new Xa;this.disableVert=new Xa};Za.prototype.enableZeroWidthBar=function(a,b,c){function d(){var e=a.getBoundingClientRect();("vert"==c?document.elementFromPoint(e.right-1,(e.top+e.bottom)/2):document.elementFromPoint((e.right+e.left)/2,e.bottom-1))!=a?a.style.pointerEvents="none":b.set(1E3,d)}a.style.pointerEvents="auto";b.set(1E3,d)};Za.prototype.clear=function(){var a=this.horiz.parentNode;a.removeChild(this.horiz);a.removeChild(this.vert)};
var $b=function(){};$b.prototype.update=function(){return{bottom:0,right:0}};$b.prototype.setScrollLeft=function(){};$b.prototype.setScrollTop=function(){};$b.prototype.clear=function(){};var Se={"native":Za,"null":$b},wg=0,vc=function(a,b,c){var d=a.display;this.viewport=b;this.visible=td(d,a.doc,b);this.editorIsHidden=!d.wrapper.offsetWidth;this.wrapperHeight=d.wrapper.clientHeight;this.wrapperWidth=d.wrapper.clientWidth;this.oldDisplayWidth=Na(a);this.force=c;this.dims=md(a);this.events=[]};vc.prototype.signal=
function(a,b){ga(a,b)&&this.events.push(arguments)};vc.prototype.finish=function(){for(var a=0;a<this.events.length;a++)J.apply(null,this.events[a])};var xc=0,da=null;D?da=-.53:xa?da=15:pc?da=-.7:Qf&&(da=-1/3);var ea=function(a,b){this.ranges=a;this.primIndex=b};ea.prototype.primary=function(){return this.ranges[this.primIndex]};ea.prototype.equals=function(a){if(a==this)return!0;if(a.primIndex!=this.primIndex||a.ranges.length!=this.ranges.length)return!1;for(var b=0;b<this.ranges.length;b++){var c=
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d.from())&&0>=A(a,d.to()))return c}return-1};var C=function(a,b){this.anchor=a;this.head=b};C.prototype.from=function(){return ic(this.anchor,this.head)};C.prototype.to=function(){return hc(this.anchor,this.head)};C.prototype.empty=function(){return this.head.line==this.anchor.line&&this.head.ch==this.anchor.ch};Lb.prototype={chunkSize:function(){return this.lines.length},removeInner:function(a,b){for(var c=a,d=a+b;c<d;++c){var e=this.lines[c];this.height-=e.height;var f=e;f.parent=null;Wd(f);R(e,
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e-a),g=d.height;d.removeInner(a,f);this.height-=g-d.height;e==f&&(this.children.splice(c--,1),d.parent=null);if(0==(b-=f))break;a=0}else a-=e}25>this.size-b&&(1<this.children.length||!(this.children[0]instanceof Lb))&&(a=[],this.collapse(a),this.children=[new Lb(a)],this.children[0].parent=this)},collapse:function(a){for(var b=0;b<this.children.length;++b)this.children[b].collapse(a)},insertInner:function(a,b,c){this.size+=b.length;this.height+=c;for(var d=0;d<this.children.length;++d){var e=this.children[d],
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1,0,b)}else c=new Mb(a.children),c.parent=a,a.children=[c,b],a=c;b.parent=a.parent}while(10<a.children.length);a.parent.maybeSpill()}},iterN:function(a,b,c){for(var d=0;d<this.children.length;++d){var e=this.children[d],f=e.chunkSize();if(a<f){f=Math.min(b,f-a);if(e.iterN(a,f,c))return!0;if(0==(b-=f))break;a=0}else a-=f}}};var Nb=function(a,b,c){if(c)for(var d in c)c.hasOwnProperty(d)&&(this[d]=c[d]);this.doc=a;this.node=b};Nb.prototype.clear=function(){var a=this.doc.cm,b=this.line.widgets,c=this.line,
d=E(c);if(null!=d&&b){for(var e=0;e<b.length;++e)b[e]==this&&b.splice(e--,1);b.length||(c.widgets=null);var f=zb(this);ma(c,Math.max(0,c.height-f));a&&(aa(a,function(){var b=-f;oa(c)<(a.curOp&&a.curOp.scrollTop||a.doc.scrollTop)&&tc(a,b);Ba(a,d,"widget")}),R(a,"lineWidgetCleared",a,this,d))}};Nb.prototype.changed=function(){var a=this,b=this.height,c=this.doc.cm,d=this.line;this.height=null;var e=zb(this)-b;e&&(ma(d,d.height+e),c&&aa(c,function(){c.curOp.forceUpdate=!0;oa(d)<(c.curOp&&c.curOp.scrollTop||
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f,k=void 0,l=f.markedSpans,m=g,p=0;p<l.length;++p)l[p]!=m&&(k||(k=[])).push(l[p]);h.markedSpans=k;null==g.from&&this.collapsed&&!Ka(this.doc,f)&&a&&ma(f,Pa(a.display))}if(a&&this.collapsed&&!a.options.lineWrapping)for(e=0;e<this.lines.length;++e)f=na(this.lines[e]),g=kc(f),g>a.display.maxLineLength&&(a.display.maxLine=f,a.display.maxLineLength=g,a.display.maxLineChanged=!0);null!=c&&a&&this.collapsed&&Y(a,c,d+1);this.lines.length=0;this.explicitlyCleared=!0;this.atomic&&this.doc.cantEdit&&(this.doc.cantEdit=
!1,a&&lf(a.doc));a&&R(a,"markerCleared",a,this,c,d);b&&Va(a);this.parent&&this.parent.clear()}};Da.prototype.find=function(a,b){null==a&&"bookmark"==this.type&&(a=1);for(var c,d,e=0;e<this.lines.length;++e){var f=this.lines[e],g=sb(f.markedSpans,this);if(null!=g.from&&(c=r(b?f:E(f),g.from),-1==a))return c;if(null!=g.to&&(d=r(b?f:E(f),g.to),1==a))return d}return c&&{from:c,to:d}};Da.prototype.changed=function(){var a=this,b=this.find(-1,!0),c=this,d=this.doc.cm;b&&d&&aa(d,function(){var e=b.line,f=
E(b.line);if(f=ld(d,f))Ae(f),d.curOp.selectionChanged=d.curOp.forceUpdate=!0;d.curOp.updateMaxLine=!0;Ka(c.doc,e)||null==c.height||(f=c.height,c.height=null,(f=zb(c)-f)&&ma(e,e.height+f));R(d,"markerChanged",d,a)})};Da.prototype.attachLine=function(a){if(!this.lines.length&&this.doc.cm){var b=this.doc.cm.curOp;b.maybeHiddenMarkers&&-1!=Q(b.maybeHiddenMarkers,this)||(b.maybeUnhiddenMarkers||(b.maybeUnhiddenMarkers=[])).push(this)}this.lines.push(a)};Da.prototype.detachLine=function(a){this.lines.splice(Q(this.lines,
a),1);!this.lines.length&&this.doc.cm&&(a=this.doc.cm.curOp,(a.maybeHiddenMarkers||(a.maybeHiddenMarkers=[])).push(this))};ab(Da);var Ob=function(a,b){this.markers=a;this.primary=b;for(b=0;b<a.length;++b)a[b].parent=this};Ob.prototype.clear=function(){if(!this.explicitlyCleared){this.explicitlyCleared=!0;for(var a=0;a<this.markers.length;++a)this.markers[a].clear();R(this,"clear")}};Ob.prototype.find=function(a,b){return this.primary.find(a,b)};ab(Ob);var ih=0,Z=function(a,b,c,d,e){if(!(this instanceof
Z))return new Z(a,b,c,d,e);null==c&&(c=0);Mb.call(this,[new Lb([new gb("",null)])]);this.first=c;this.scrollTop=this.scrollLeft=0;this.cantEdit=!1;this.cleanGeneration=1;this.modeFrontier=this.highlightFrontier=c;c=r(c,0);this.sel=wa(c);this.history=new yc(null);this.id=++ih;this.modeOption=b;this.lineSep=d;this.direction="rtl"==e?"rtl":"ltr";this.extend=!1;"string"==typeof a&&(a=this.splitLines(a));Cd(this,{from:c,to:c,text:a});S(this,wa(c),qa)};Z.prototype=Rd(Mb.prototype,{constructor:Z,iter:function(a,
b,c){c?this.iterN(a-this.first,b-a,c):this.iterN(this.first,this.first+this.size,a)},insert:function(a,b){for(var c=0,d=0;d<b.length;++d)c+=b[d].height;this.insertInner(a-this.first,b,c)},remove:function(a,b){this.removeInner(a-this.first,b)},getValue:function(a){var b=Pc(this,this.first,this.first+this.size);return!1===a?b:b.join(a||this.lineSeparator())},setValue:P(function(a){var b=r(this.first,0),c=this.first+this.size-1;jb(this,{from:b,to:r(c,u(this,c).text.length),text:this.splitLines(a),origin:"setValue",
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firstLine:function(){return this.first},lastLine:function(){return this.first+this.size-1},clipPos:function(a){return x(this,a)},getCursor:function(a){var b=this.sel.primary();return null==a||"head"==a?b.head:"anchor"==a?b.anchor:"end"==a||"to"==a||!1===a?b.to():b.from()},listSelections:function(){return this.sel.ranges},somethingSelected:function(){return this.sel.somethingSelected()},setCursor:P(function(a,b,c){a=x(this,"number"==typeof a?r(a,b||0):a);S(this,wa(a,null),c)}),setSelection:P(function(a,
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this.sel.ranges.slice(0);d.push(new C(x(this,a),x(this,b||a)));S(this,la(d,d.length-1),c)}),getSelection:function(a){for(var b=this.sel.ranges,c,d=0;d<b.length;d++){var e=Ha(this,b[d].from(),b[d].to());c=c?c.concat(e):e}return!1===a?c:c.join(a||this.lineSeparator())},getSelections:function(a){for(var b=[],c=this.sel.ranges,d=0;d<c.length;d++){var e=Ha(this,c[d].from(),c[d].to());!1!==a&&(e=e.join(a||this.lineSeparator()));b[d]=e}return b},replaceSelection:function(a,b,c){for(var d=[],e=0;e<this.sel.ranges.length;e++)d[e]=
a;this.replaceSelections(d,b,c||"+input")},replaceSelections:P(function(a,b,c){for(var d=[],e=this.sel,f=0;f<e.ranges.length;f++){var g=e.ranges[f];d[f]={from:g.from(),to:g.to(),text:this.splitLines(a[f]),origin:c}}if(a=b&&"end"!=b){a=[];e=c=r(this.first,0);for(f=0;f<d.length;f++){var h=d[f],g=Ze(h.from,c,e),k=Ze(Ca(h),c,e);c=h.to;e=k;"around"==b?(h=this.sel.ranges[f],h=0>A(h.head,h.anchor),a[f]=new C(h?k:g,h?g:k)):a[f]=new C(g,g)}a=new ea(a,this.sel.primIndex)}b=a;for(a=d.length-1;0<=a;a--)jb(this,
d[a]);b?hf(this,b):this.cm&&eb(this.cm)}),undo:P(function(){Cc(this,"undo")}),redo:P(function(){Cc(this,"redo")}),undoSelection:P(function(){Cc(this,"undo",!0)}),redoSelection:P(function(){Cc(this,"redo",!0)}),setExtending:function(a){this.extend=a},getExtending:function(){return this.extend},historySize:function(){for(var a=this.history,b=0,c=0,d=0;d<a.done.length;d++)a.done[d].ranges||++b;for(d=0;d<a.undone.length;d++)a.undone[d].ranges||++c;return{undo:b,redo:c}},clearHistory:function(){this.history=
new yc(this.history.maxGeneration)},markClean:function(){this.cleanGeneration=this.changeGeneration(!0)},changeGeneration:function(a){a&&(this.history.lastOp=this.history.lastSelOp=this.history.lastOrigin=null);return this.history.generation},isClean:function(a){return this.history.generation==(a||this.cleanGeneration)},getHistory:function(){return{done:hb(this.history.done),undone:hb(this.history.undone)}},setHistory:function(a){var b=this.history=new yc(this.history.maxGeneration);b.done=hb(a.done.slice(0),
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a;a=u(this,a);if(!a)return null}else if(b=E(a),null==b)return null;return{line:b,handle:a,text:a.text,gutterMarkers:a.gutterMarkers,textClass:a.textClass,bgClass:a.bgClass,wrapClass:a.wrapClass,widgets:a.widgets}},addLineClass:P(function(a,b,c){return Kb(this,a,"gutter"==b?"gutter":"class",function(a){var d="text"==b?"textClass":"background"==b?"bgClass":"gutter"==b?"gutterClass":"wrapClass";if(a[d]){if(w(c).test(a[d]))return!1;a[d]+=" "+c}else a[d]=c;return!0})}),removeLineClass:P(function(a,b,c){return Kb(this,
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v(g,"input",function(){D&&9<=B&&c.hasSelection&&(c.hasSelection=null);d.poll()});v(g,"paste",function(a){N(e,a)||Sf(a,e)||(e.state.pasteIncoming=!0,d.fastPoll())});v(g,"cut",b);v(g,"copy",b);v(a.scroller,"paste",function(b){va(a,b)||N(e,b)||(e.state.pasteIncoming=!0,d.focus())});v(a.lineSpace,"selectstart",function(b){va(a,b)||V(b)});v(g,"compositionstart",function(){var a=e.getCursor("from");d.composing&&d.composing.range.clear();d.composing={start:a,range:e.markText(a,e.getCursor("to"),{className:"CodeMirror-composing"})}});
v(g,"compositionend",function(){d.composing&&(d.poll(),d.composing.range.clear(),d.composing=null)})};M.prototype.prepareSelection=function(){var a=this.cm,b=a.display,c=a.doc,d=He(a);if(a.options.moveInputWithCursor){var a=ja(a,c.sel.primary().head,"div"),c=b.wrapper.getBoundingClientRect(),e=b.lineDiv.getBoundingClientRect();d.teTop=Math.max(0,Math.min(b.wrapper.clientHeight-10,a.top+e.top-c.top));d.teLeft=Math.max(0,Math.min(b.wrapper.clientWidth-10,a.left+e.left-c.left))}return d};M.prototype.showSelection=
function(a){var b=this.cm.display;F(b.cursorDiv,a.cursors);F(b.selectionDiv,a.selection);null!=a.teTop&&(this.wrapper.style.top=a.teTop+"px",this.wrapper.style.left=a.teLeft+"px")};M.prototype.reset=function(a){if(!this.contextMenuPending&&!this.composing){var b=this.cm;b.somethingSelected()?(this.prevInput="",a=b.getSelection(),this.textarea.value=a,b.state.focused&&Yb(this.textarea),D&&9<=B&&(this.hasSelection=a)):a||(this.prevInput=this.textarea.value="",D&&9<=B&&(this.hasSelection=null))}};M.prototype.getField=
function(){return this.textarea};M.prototype.supportsTouch=function(){return!1};M.prototype.focus=function(){if("nocursor"!=this.cm.options.readOnly&&(!qb||ra()!=this.textarea))try{this.textarea.focus()}catch(a){}};M.prototype.blur=function(){this.textarea.blur()};M.prototype.resetPosition=function(){this.wrapper.style.top=this.wrapper.style.left=0};M.prototype.receivedFocus=function(){this.slowPoll()};M.prototype.slowPoll=function(){var a=this;this.pollingFast||this.polling.set(this.cm.options.pollInterval,
function(){a.poll();a.cm.state.focused&&a.slowPoll()})};M.prototype.fastPoll=function(){function a(){c.poll()||b?(c.pollingFast=!1,c.slowPoll()):(b=!0,c.polling.set(60,a))}var b=!1,c=this;c.pollingFast=!0;c.polling.set(20,a)};M.prototype.poll=function(){var a=this,b=this.cm,c=this.textarea,d=this.prevInput;if(this.contextMenuPending||!b.state.focused||hh(c)&&!d&&!this.composing||b.isReadOnly()||b.options.disableInput||b.state.keySeq)return!1;var e=c.value;if(e==d&&!b.somethingSelected())return!1;
if(D&&9<=B&&this.hasSelection===e||ia&&/[\uf700-\uf7ff]/.test(e))return b.display.input.reset(),!1;if(b.doc.sel==b.display.selForContextMenu){var f=e.charCodeAt(0);8203!=f||d||(d="\u200b");if(8666==f)return this.reset(),this.cm.execCommand("undo")}for(var g=0,f=Math.min(d.length,e.length);g<f&&d.charCodeAt(g)==e.charCodeAt(g);)++g;aa(b,function(){Nd(b,e.slice(g),d.length-g,null,a.composing?"*compose":null);1E3<e.length||-1<e.indexOf("\n")?c.value=a.prevInput="":a.prevInput=e;a.composing&&(a.composing.range.clear(),
a.composing.range=b.markText(a.composing.start,b.getCursor("to"),{className:"CodeMirror-composing"}))});return!0};M.prototype.ensurePolled=function(){this.pollingFast&&this.poll()&&(this.pollingFast=!1)};M.prototype.onKeyPress=function(){D&&9<=B&&(this.hasSelection=null);this.fastPoll()};M.prototype.onContextMenu=function(a){function b(){if(null!=g.selectionStart){var a=e.somethingSelected(),b="\u200b"+(a?g.value:"");g.value="\u21da";g.value=b;d.prevInput=a?"":"\u200b";g.selectionStart=1;g.selectionEnd=
b.length;f.selForContextMenu=e.doc.sel}}function c(){d.contextMenuPending=!1;d.wrapper.style.cssText=m;g.style.cssText=l;D&&9>B&&f.scrollbars.setScrollTop(f.scroller.scrollTop=k);if(null!=g.selectionStart){(!D||D&&9>B)&&b();var a=0,c=function(){f.selForContextMenu==e.doc.sel&&0==g.selectionStart&&0<g.selectionEnd&&"\u200b"==d.prevInput?O(e,nf)(e):10>a++?f.detectingSelectAll=setTimeout(c,500):(f.selForContextMenu=null,f.input.reset())};f.detectingSelectAll=setTimeout(c,200)}}var d=this,e=d.cm,f=e.display,
g=d.textarea,h=Ra(e,a),k=f.scroller.scrollTop;if(h&&!ka){e.options.resetSelectionOnContextMenu&&-1==e.doc.sel.contains(h)&&O(e,S)(e.doc,wa(h),qa);var l=g.style.cssText,m=d.wrapper.style.cssText;d.wrapper.style.cssText="position: absolute";h=d.wrapper.getBoundingClientRect();g.style.cssText="position: absolute; width: 30px; height: 30px;\n      top: "+(a.clientY-h.top-5)+"px; left: "+(a.clientX-h.left-5)+"px;\n      z-index: 1000; background: "+(D?"rgba(255, 255, 255, .05)":"transparent")+";\n      outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";
if(T)var p=window.scrollY;f.input.focus();T&&window.scrollTo(null,p);f.input.reset();e.somethingSelected()||(g.value=d.prevInput=" ");d.contextMenuPending=!0;f.selForContextMenu=e.doc.sel;clearTimeout(f.detectingSelectAll);D&&9<=B&&b();if(Kd){ub(a);var n=function(){ca(window,"mouseup",n);setTimeout(c,20)};v(window,"mouseup",n)}else setTimeout(c,50)}};M.prototype.readOnlyChanged=function(a){a||this.reset();this.textarea.disabled="nocursor"==a};M.prototype.setUneditable=function(){};M.prototype.needsContentAttribute=
!1;(function(a){function b(b,e,f,g){a.defaults[b]=e;f&&(c[b]=g?function(a,b,d){d!=ob&&f(a,b,d)}:f)}var c=a.optionHandlers;a.defineOption=b;a.Init=ob;b("value","",function(a,b){return a.setValue(b)},!0);b("mode",null,function(a,b){a.doc.modeOption=b;Bd(a)},!0);b("indentUnit",2,Bd,!0);b("indentWithTabs",!1);b("smartIndent",!0);b("tabSize",4,function(a){Ib(a);Bb(a);Y(a)},!0);b("lineSeparator",null,function(a,b){if(a.doc.lineSep=b){var d=[],c=a.doc.first;a.doc.iter(function(a){for(var e=0;;){var f=a.text.indexOf(b,
e);if(-1==f)break;e=f+b.length;d.push(r(c,f))}c++});for(var e=d.length-1;0<=e;e--)kb(a.doc,b,d[e],r(d[e].line,d[e].ch+b.length))}});b("specialChars",/[\u0000-\u001f\u007f-\u009f\u00ad\u061c\u200b-\u200f\u2028\u2029\ufeff]/g,function(a,b,c){a.state.specialChars=new RegExp(b.source+(b.test("\t")?"":"|\t"),"g");c!=ob&&a.refresh()});b("specialCharPlaceholder",qg,function(a){return a.refresh()},!0);b("electricChars",!0);b("inputStyle",qb?"contenteditable":"textarea",function(){throw Error("inputStyle can not (yet) be changed in a running editor");
},!0);b("spellcheck",!1,function(a,b){return a.getInputField().spellcheck=b},!0);b("rtlMoveVisually",!gh);b("wholeLineUpdateBefore",!0);b("theme","default",function(a){Nf(a);Ub(a)},!0);b("keyMap","default",function(a,b,c){b=Dc(b);(c=c!=ob&&Dc(c))&&c.detach&&c.detach(a,b);b.attach&&b.attach(a,c||null)});b("extraKeys",null);b("configureMouse",null);b("lineWrapping",!1,$g,!0);b("gutters",[],function(a){zd(a.options);Ub(a)},!0);b("fixedGutter",!0,function(a,b){a.display.gutters.style.left=b?pd(a.display)+
"px":"0";a.refresh()},!0);b("coverGutterNextToScrollbar",!1,function(a){return fb(a)},!0);b("scrollbarStyle","native",function(a){Re(a);fb(a);a.display.scrollbars.setScrollTop(a.doc.scrollTop);a.display.scrollbars.setScrollLeft(a.doc.scrollLeft)},!0);b("lineNumbers",!1,function(a){zd(a.options);Ub(a)},!0);b("firstLineNumber",1,Ub,!0);b("lineNumberFormatter",function(a){return a},Ub,!0);b("showCursorWhenSelecting",!1,Cb,!0);b("resetSelectionOnContextMenu",!0);b("lineWiseCopyCut",!0);b("pasteLinesPerSelection",
!0);b("readOnly",!1,function(a,b){"nocursor"==b&&(Db(a),a.display.input.blur());a.display.input.readOnlyChanged(b)});b("disableInput",!1,function(a,b){b||a.display.input.reset()},!0);b("dragDrop",!0,Zg);b("allowDropFileTypes",null);b("cursorBlinkRate",530);b("cursorScrollMargin",0);b("cursorHeight",1,Cb,!0);b("singleCursorHeightPerLine",!0,Cb,!0);b("workTime",100);b("workDelay",100);b("flattenSpans",!0,Ib,!0);b("addModeClass",!1,Ib,!0);b("pollInterval",100);b("undoDepth",200,function(a,b){return a.doc.history.undoDepth=
b});b("historyEventDelay",1250);b("viewportMargin",10,function(a){return a.refresh()},!0);b("maxHighlightLength",1E4,Ib,!0);b("moveInputWithCursor",!0,function(a,b){b||a.display.input.resetPosition()});b("tabindex",null,function(a,b){return a.display.input.getField().tabIndex=b||""});b("autofocus",null);b("direction","ltr",function(a,b){return a.doc.setDirection(b)},!0)})(G);(function(a){var b=a.optionHandlers,c=a.helpers={};a.prototype={constructor:a,focus:function(){window.focus();this.display.input.focus()},
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a,b,c)}),indentSelection:W(function(a){for(var b=this.doc.sel.ranges,c=-1,d=0;d<b.length;d++){var h=b[d];if(h.empty())h.head.line>c&&(Vb(this,h.head.line,a,!0),c=h.head.line,d==this.doc.sel.primIndex&&eb(this));else{for(var k=h.from(),h=h.to(),l=Math.max(c,k.line),c=Math.min(this.lastLine(),h.line-(h.ch?0:1))+1,h=l;h<c;++h)Vb(this,h,a);h=this.doc.sel.ranges;0==k.ch&&b.length==h.length&&0<h[d].from().ch&&Fd(this.doc,d,new C(k,h[d].to()),qa)}}}),getTokenAt:function(a,b){return ke(this,a,b)},getLineTokens:function(a,
b){return ke(this,r(a),b,!0)},getTokenTypeAt:function(a){a=x(this.doc,a);var b=ie(this,u(this.doc,a.line)),c=0,d=(b.length-1)/2;a=a.ch;if(0==a)b=b[2];else for(;;){var h=c+d>>1;if((h?b[2*h-1]:0)>=a)d=h;else if(b[2*h+1]<a)c=h+1;else{b=b[2*h+2];break}}c=b?b.indexOf("overlay "):-1;return 0>c?b:0==c?null:b.slice(0,c-1)},getModeAt:function(b){var c=this.doc.mode;return c.innerMode?a.innerMode(c,this.getTokenAt(b).state).mode:c},getHelper:function(a,b){return this.getHelpers(a,b)[0]},getHelpers:function(a,
b){var d=[];if(!c.hasOwnProperty(b))return d;var e=c[b];a=this.getModeAt(a);if("string"==typeof a[b])e[a[b]]&&d.push(e[a[b]]);else if(a[b])for(var h=0;h<a[b].length;h++){var k=e[a[b][h]];k&&d.push(k)}else a.helperType&&e[a.helperType]?d.push(e[a.helperType]):e[a.name]&&d.push(e[a.name]);for(b=0;b<e._global.length;b++)h=e._global[b],h.pred(a,this)&&-1==Q(d,h.val)&&d.push(h.val);return d},getStateAfter:function(a,b){var c=this.doc;a=Math.max(c.first,Math.min(null==a?c.first+c.size-1:a,c.first+c.size-
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"true");this.display.input.setUneditable(b);d.sizer.appendChild(b);if("over"==g)e=a.top;else if("above"==g||"near"==g){var p=Math.max(d.wrapper.clientHeight,this.doc.height),n=Math.max(d.sizer.clientWidth,d.lineSpace.clientWidth);("above"==g||a.bottom+b.offsetHeight>p)&&a.top>b.offsetHeight?e=a.top-b.offsetHeight:a.bottom+b.offsetHeight<=p&&(e=a.bottom);f+b.offsetWidth>n&&(f=n-b.offsetWidth)}b.style.top=e+"px";b.style.left=b.style.right="";"right"==h?(f=d.sizer.clientWidth-b.offsetWidth,b.style.right=
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1;0>b&&(d=-1,b=-b);a=x(this.doc,a);for(var e=0;e<b&&(a=Pd(this.doc,a,d,c,g),!a.hitSide);++e);return a},moveH:W(function(a,b){var c=this;this.extendSelectionsBy(function(d){return c.display.shift||c.doc.extend||d.empty()?Pd(c.doc,d.head,a,b,c.options.rtlMoveVisually):0>a?d.from():d.to()},Zb)}),deleteH:W(function(a,b){var c=this.doc;this.doc.sel.somethingSelected()?c.replaceSelection("",null,"+delete"):nb(this,function(d){var e=Pd(c,d.head,a,b,!1);return 0>a?{from:e,to:d.head}:{from:d.head,to:e}})}),
findPosV:function(a,b,c,g){var d=1;0>b&&(d=-1,b=-b);var e=x(this.doc,a);for(a=0;a<b&&(e=ja(this,e,"div"),null==g?g=e.left:e.left=g,e=Wf(this,e,d,c),!e.hitSide);++a);return e},moveV:W(function(a,b){var c=this,d=this.doc,e=[],k=!this.display.shift&&!d.extend&&d.sel.somethingSelected();d.extendSelectionsBy(function(f){if(k)return 0>a?f.from():f.to();var g=ja(c,f.head,"div");null!=f.goalColumn&&(g.left=f.goalColumn);e.push(g.left);var h=Wf(c,g,a,b);"page"==b&&f==d.sel.primary()&&tc(c,rc(c,h,"div").top-
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d))},toggleOverwrite:function(a){if(null==a||a!=this.state.overwrite)(this.state.overwrite=!this.state.overwrite)?Fa(this.display.cursorDiv,"CodeMirror-overwrite"):Sa(this.display.cursorDiv,"CodeMirror-overwrite"),J(this,"overwriteToggle",this,this.state.overwrite)},hasFocus:function(){return this.display.input.getField()==ra()},isReadOnly:function(){return!(!this.options.readOnly&&!this.doc.cantEdit)},scrollTo:W(function(a,b){Eb(this,a,b)}),getScrollInfo:function(){var a=this.display.scroller;return{left:a.scrollLeft,
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b){var c=this,d=function(a){return"number"==typeof a||/^\d+$/.test(String(a))?a+"px":a};null!=a&&(this.display.wrapper.style.width=d(a));null!=b&&(this.display.wrapper.style.height=d(b));this.options.lineWrapping&&Be(this);var e=this.display.viewFrom;this.doc.iter(e,this.display.viewTo,function(a){if(a.widgets)for(var b=0;b<a.widgets.length;b++)if(a.widgets[b].noHScroll){Ba(c,e,"widget");break}++e});this.curOp.forceUpdate=!0;J(this,"refresh",this)}),operation:function(a){return aa(this,a)},startOperation:function(){return Ua(this)},
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