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u||(u=i[i.length-1]),u.fromc&&(u={from:u.from,to:c,level:u.level}),u}:function(t,e,n,r,i,o,a){var s=at(function(s){var l=i[s],c=1!=l.level;return tr(Kn(t,ee(n,c?l.to:l.from,c?"before":"after"),"line",e,r),o,a,!0)},0,i.length-1),l=i[s];if(s>0){var c=1!=l.level,u=Kn(t,ee(n,c?l.from:l.to,c?"after":"before"),"line",e,r);tr(u,o,a,!0)&&u.top>a&&(l=i[s-1])}return l})(t,e,n,o,u,r,i);s=(c=1!=h.level)?h.from:h.to-1,l=c?h.to:h.from-1}var d,f,p=null,g=null,v=at(function(e){var n=Nn(t,o,e);return n.top+=a,n.bottom+=a,!!tr(n,r,i,!1)&&(n.top<=i&&n.left<=r&&(p=e,g=n),!0)},s,l),m=!1;if(g){var y=r-g.left=w.bottom}return Xn(n,v=ot(e.text,v,1),f,m,r-d)}function nr(t){if(null!=t.cachedTextHeight)return t.cachedTextHeight;if(null==In){In=E("pre");for(var e=0;e<49;++e)In.appendChild(document.createTextNode("x")),In.appendChild(E("br"));In.appendChild(document.createTextNode("x"))}j(t.measure,In);var n=In.offsetHeight/50;return n>3&&(t.cachedTextHeight=n),P(t.measure),n||1}function rr(t){if(null!=t.cachedCharWidth)return t.cachedCharWidth;var e=E("span","xxxxxxxxxx"),n=E("pre",[e]);j(t.measure,n);var r=e.getBoundingClientRect(),i=(r.right-r.left)/10;return i>2&&(t.cachedCharWidth=i),i||10}function ir(t){for(var e=t.display,n={},r={},i=e.gutters.clientLeft,o=e.gutters.firstChild,a=0;o;o=o.nextSibling,++a){var s=t.display.gutterSpecs[a].className;n[s]=o.offsetLeft+o.clientLeft+i,r[s]=o.clientWidth}return{fixedPos:or(e),gutterTotalWidth:e.gutters.offsetWidth,gutterLeft:n,gutterWidth:r,wrapperWidth:e.wrapper.clientWidth}}function or(t){return t.scroller.getBoundingClientRect().left-t.sizer.getBoundingClientRect().left}function ar(t){var e=nr(t.display),n=t.options.lineWrapping,r=n&&Math.max(5,t.display.scroller.clientWidth/rr(t.display)-3);return function(i){if($e(t.doc,i))return 0;var o=0;if(i.widgets)for(var a=0;a=t.display.viewTo)return null;if((e-=t.display.viewFrom)<0)return null;for(var n=t.display.view,r=0;re)&&(i.updateLineNumbers=e),t.curOp.viewChanged=!0,e>=i.viewTo)Oe&&ze(t.doc,e)i.viewFrom?dr(t):(i.viewFrom+=r,i.viewTo+=r);else if(e<=i.viewFrom&&n>=i.viewTo)dr(t);else if(e<=i.viewFrom){var o=fr(t,n,n+r,1);o?(i.view=i.view.slice(o.index),i.viewFrom=o.lineN,i.viewTo+=r):dr(t)}else if(n>=i.viewTo){var a=fr(t,e,e,-1);a?(i.view=i.view.slice(0,a.index),i.viewTo=a.lineN):dr(t)}else{var s=fr(t,e,e,-1),l=fr(t,n,n+r,1);s&&l?(i.view=i.view.slice(0,s.index).concat(an(t,s.lineN,l.lineN)).concat(i.view.slice(l.index)),i.viewTo+=r):dr(t)}var c=i.externalMeasured;c&&(n=i.lineN&&e=r.viewTo)){var o=r.view[cr(t,e)];if(null!=o.node){var a=o.changes||(o.changes=[]);-1==z(a,n)&&a.push(n)}}}function dr(t){t.display.viewFrom=t.display.viewTo=t.doc.first,t.display.view=[],t.display.viewOffset=0}function fr(t,e,n,r){var i,o=cr(t,e),a=t.display.view;if(!Oe||n==t.doc.first+t.doc.size)return{index:o,lineN:n};for(var s=t.display.viewFrom,l=0;l0){if(o==a.length-1)return null;i=s+a[o].size-e,o++}else i=s-e;e+=i,n+=i}for(;ze(t.doc,n)!=n;){if(o==(r<0?0:a.length-1))return null;n+=r*a[o-(r<0?1:0)].size,o+=r}return{index:o,lineN:n}}function pr(t){for(var e=t.display.view,n=0,r=0;r=t.display.viewTo||s.to().linee||e==n&&a.to==e)&&(r(Math.max(a.from,e),Math.min(a.to,n),1==a.level?"rtl":"ltr",o),i=!0)}i||r(e,n,"ltr")}(g,n||0,null==r?d:r,function(t,e,i,h){var v="ltr"==i,m=f(t,v?"left":"right"),y=f(e-1,v?"right":"left"),b=null==n&&0==t,w=null==r&&e==d,x=0==h,C=!g||h==g.length-1;if(y.top-m.top<=3){var O=(c?w:b)&&C,k=(c?b:w)&&x?s:(v?m:y).left,S=O?l:(v?y:m).right;u(k,m.top,S-k,m.bottom)}else{var T,P,j,E;v?(T=c&&b&&x?s:m.left,P=c?l:p(t,i,"before"),j=c?s:p(e,i,"after"),E=c&&w&&C?l:y.right):(T=c?p(t,i,"before"):s,P=!c&&b&&x?l:m.right,j=!c&&w&&C?s:y.left,E=c?p(e,i,"after"):l),u(T,m.top,P-T,m.bottom),m.bottom0?e.blinker=setInterval(function(){return e.cursorDiv.style.visibility=(n=!n)?"":"hidden"},t.options.cursorBlinkRate):t.options.cursorBlinkRate<0&&(e.cursorDiv.style.visibility="hidden")}}function xr(t){t.state.focused||(t.display.input.focus(),Or(t))}function Cr(t){t.state.delayingBlurEvent=!0,setTimeout(function(){t.state.delayingBlurEvent&&(t.state.delayingBlurEvent=!1,kr(t))},100)}function Or(t,e){t.state.delayingBlurEvent&&(t.state.delayingBlurEvent=!1),"nocursor"!=t.options.readOnly&&(t.state.focused||(gt(t,"focus",t,e),t.state.focused=!0,L(t.display.wrapper,"CodeMirror-focused"),t.curOp||t.display.selForContextMenu==t.doc.sel||(t.display.input.reset(),l&&setTimeout(function(){return t.display.input.reset(!0)},20)),t.display.input.receivedFocus()),wr(t))}function kr(t,e){t.state.delayingBlurEvent||(t.state.focused&&(gt(t,"blur",t,e),t.state.focused=!1,T(t.display.wrapper,"CodeMirror-focused")),clearInterval(t.display.blinker),setTimeout(function(){t.state.focused||(t.display.shift=!1)},150))}function Sr(t){for(var e=t.display,n=e.lineDiv.offsetTop,r=0;r.005||d<-.005)&&(Xt(i.line,l),Tr(i.line),i.rest))for(var f=0;ft.display.sizerWidth){var p=Math.ceil(c/rr(t.display));p>t.display.maxLineLength&&(t.display.maxLineLength=p,t.display.maxLine=i.line,t.display.maxLineChanged=!0)}}}}function Tr(t){if(t.widgets)for(var e=0;e=a&&(o=Zt(e,Be(Gt(e,l))-t.wrapper.clientHeight),a=l)}return{from:o,to:Math.max(a,o+1)}}function jr(t,e){var n=t.display,r=nr(t.display);e.top<0&&(e.top=0);var i=t.curOp&&null!=t.curOp.scrollTop?t.curOp.scrollTop:n.scroller.scrollTop,o=En(t),a={};e.bottom-e.top>o&&(e.bottom=e.top+o);var s=t.doc.height+Sn(n),l=e.tops-r;if(e.topi+o){var u=Math.min(e.top,(c?s:e.bottom)-o);u!=i&&(a.scrollTop=u)}var h=t.curOp&&null!=t.curOp.scrollLeft?t.curOp.scrollLeft:n.scroller.scrollLeft,d=jn(t)-(t.options.fixedGutter?n.gutters.offsetWidth:0),f=e.right-e.left>d;return f&&(e.right=e.left+d),e.left<10?a.scrollLeft=0:e.leftd+h-3&&(a.scrollLeft=e.right+(f?0:10)-d),a}function Er(t,e){null!=e&&(Ar(t),t.curOp.scrollTop=(null==t.curOp.scrollTop?t.doc.scrollTop:t.curOp.scrollTop)+e)}function Mr(t){Ar(t);var e=t.getCursor();t.curOp.scrollToPos={from:e,to:e,margin:t.options.cursorScrollMargin}}function Dr(t,e,n){null==e&&null==n||Ar(t),null!=e&&(t.curOp.scrollLeft=e),null!=n&&(t.curOp.scrollTop=n)}function Ar(t){var e=t.curOp.scrollToPos;e&&(t.curOp.scrollToPos=null,Lr(t,Yn(t,e.from),Yn(t,e.to),e.margin))}function Lr(t,e,n,r){var i=jr(t,{left:Math.min(e.left,n.left),top:Math.min(e.top,n.top)-r,right:Math.max(e.right,n.right),bottom:Math.max(e.bottom,n.bottom)+r});Dr(t,i.scrollLeft,i.scrollTop)}function Nr(t,e){Math.abs(t.doc.scrollTop-e)<2||(n||ai(t,{top:e}),Ir(t,e,!0),n&&ai(t),ei(t,100))}function Ir(t,e,n){e=Math.min(t.display.scroller.scrollHeight-t.display.scroller.clientHeight,e),(t.display.scroller.scrollTop!=e||n)&&(t.doc.scrollTop=e,t.display.scrollbars.setScrollTop(e),t.display.scroller.scrollTop!=e&&(t.display.scroller.scrollTop=e))}function Fr(t,e,n,r){e=Math.min(e,t.display.scroller.scrollWidth-t.display.scroller.clientWidth),(n?e==t.doc.scrollLeft:Math.abs(t.doc.scrollLeft-e)<2)&&!r||(t.doc.scrollLeft=e,ci(t),t.display.scroller.scrollLeft!=e&&(t.display.scroller.scrollLeft=e),t.display.scrollbars.setScrollLeft(e))}function Rr(t){var e=t.display,n=e.gutters.offsetWidth,r=Math.round(t.doc.height+Sn(t.display));return{clientHeight:e.scroller.clientHeight,viewHeight:e.wrapper.clientHeight,scrollWidth:e.scroller.scrollWidth,clientWidth:e.scroller.clientWidth,viewWidth:e.wrapper.clientWidth,barLeft:t.options.fixedGutter?n:0,docHeight:r,scrollHeight:r+Pn(t)+e.barHeight,nativeBarWidth:e.nativeBarWidth,gutterWidth:n}}var Vr=function(t,e,n){this.cm=n;var r=this.vert=E("div",[E("div",null,null,"min-width: 1px")],"CodeMirror-vscrollbar"),i=this.horiz=E("div",[E("div",null,null,"height: 100%; min-height: 1px")],"CodeMirror-hscrollbar");r.tabIndex=i.tabIndex=-1,t(r),t(i),dt(r,"scroll",function(){r.clientHeight&&e(r.scrollTop,"vertical")}),dt(i,"scroll",function(){i.clientWidth&&e(i.scrollLeft,"horizontal")}),this.checkedZeroWidth=!1,a&&s<8&&(this.horiz.style.minHeight=this.vert.style.minWidth="18px")};Vr.prototype.update=function(t){var e=t.scrollWidth>t.clientWidth+1,n=t.scrollHeight>t.clientHeight+1,r=t.nativeBarWidth;if(n){this.vert.style.display="block",this.vert.style.bottom=e?r+"px":"0";var i=t.viewHeight-(e?r:0);this.vert.firstChild.style.height=Math.max(0,t.scrollHeight-t.clientHeight+i)+"px"}else this.vert.style.display="",this.vert.firstChild.style.height="0";if(e){this.horiz.style.display="block",this.horiz.style.right=n?r+"px":"0",this.horiz.style.left=t.barLeft+"px";var o=t.viewWidth-t.barLeft-(n?r:0);this.horiz.firstChild.style.width=Math.max(0,t.scrollWidth-t.clientWidth+o)+"px"}else this.horiz.style.display="",this.horiz.firstChild.style.width="0";return!this.checkedZeroWidth&&t.clientHeight>0&&(0==r&&this.zeroWidthHack(),this.checkedZeroWidth=!0),{right:n?r:0,bottom:e?r:0}},Vr.prototype.setScrollLeft=function(t){this.horiz.scrollLeft!=t&&(this.horiz.scrollLeft=t),this.disableHoriz&&this.enableZeroWidthBar(this.horiz,this.disableHoriz,"horiz")},Vr.prototype.setScrollTop=function(t){this.vert.scrollTop!=t&&(this.vert.scrollTop=t),this.disableVert&&this.enableZeroWidthBar(this.vert,this.disableVert,"vert")},Vr.prototype.zeroWidthHack=function(){var t=y&&!f?"12px":"18px";this.horiz.style.height=this.vert.style.width=t,this.horiz.style.pointerEvents=this.vert.style.pointerEvents="none",this.disableHoriz=new _,this.disableVert=new _},Vr.prototype.enableZeroWidthBar=function(t,e,n){t.style.pointerEvents="auto",e.set(1e3,function r(){var i=t.getBoundingClientRect();("vert"==n?document.elementFromPoint(i.right-1,(i.top+i.bottom)/2):document.elementFromPoint((i.right+i.left)/2,i.bottom-1))!=t?t.style.pointerEvents="none":e.set(1e3,r)})},Vr.prototype.clear=function(){var t=this.horiz.parentNode;t.removeChild(this.horiz),t.removeChild(this.vert)};var _r=function(){};function zr(t,e){e||(e=Rr(t));var n=t.display.barWidth,r=t.display.barHeight;Hr(t,e);for(var i=0;i<4&&n!=t.display.barWidth||r!=t.display.barHeight;i++)n!=t.display.barWidth&&t.options.lineWrapping&&Sr(t),Hr(t,Rr(t)),n=t.display.barWidth,r=t.display.barHeight}function Hr(t,e){var n=t.display,r=n.scrollbars.update(e);n.sizer.style.paddingRight=(n.barWidth=r.right)+"px",n.sizer.style.paddingBottom=(n.barHeight=r.bottom)+"px",n.heightForcer.style.borderBottom=r.bottom+"px solid transparent",r.right&&r.bottom?(n.scrollbarFiller.style.display="block",n.scrollbarFiller.style.height=r.bottom+"px",n.scrollbarFiller.style.width=r.right+"px"):n.scrollbarFiller.style.display="",r.bottom&&t.options.coverGutterNextToScrollbar&&t.options.fixedGutter?(n.gutterFiller.style.display="block",n.gutterFiller.style.height=r.bottom+"px",n.gutterFiller.style.width=e.gutterWidth+"px"):n.gutterFiller.style.display=""}_r.prototype.update=function(){return{bottom:0,right:0}},_r.prototype.setScrollLeft=function(){},_r.prototype.setScrollTop=function(){},_r.prototype.clear=function(){};var $r={native:Vr,null:_r};function Wr(t){t.display.scrollbars&&(t.display.scrollbars.clear(),t.display.scrollbars.addClass&&T(t.display.wrapper,t.display.scrollbars.addClass)),t.display.scrollbars=new $r[t.options.scrollbarStyle](function(e){t.display.wrapper.insertBefore(e,t.display.scrollbarFiller),dt(e,"mousedown",function(){t.state.focused&&setTimeout(function(){return t.display.input.focus()},0)}),e.setAttribute("cm-not-content","true")},function(e,n){"horizontal"==n?Fr(t,e):Nr(t,e)},t),t.display.scrollbars.addClass&&L(t.display.wrapper,t.display.scrollbars.addClass)}var Br=0;function Ur(t){var e;t.curOp={cm:t,viewChanged:!1,startHeight:t.doc.height,forceUpdate:!1,updateInput:0,typing:!1,changeObjs:null,cursorActivityHandlers:null,cursorActivityCalled:0,selectionChanged:!1,updateMaxLine:!1,scrollLeft:null,scrollTop:null,scrollToPos:null,focus:!1,id:++Br},e=t.curOp,sn?sn.ops.push(e):e.ownsGroup=sn={ops:[e],delayedCallbacks:[]}}function qr(t){var e=t.curOp;e&&function(t,e){var n=t.ownsGroup;if(n)try{!function(t){var e=t.delayedCallbacks,n=0;do{for(;n=n.viewTo)||n.maxLineChanged&&e.options.lineWrapping,t.update=t.mustUpdate&&new ri(e,t.mustUpdate&&{top:t.scrollTop,ensure:t.scrollToPos},t.forceUpdate)}function Kr(t){var e=t.cm,n=e.display;t.updatedDisplay&&Sr(e),t.barMeasure=Rr(e),n.maxLineChanged&&!e.options.lineWrapping&&(t.adjustWidthTo=Dn(e,n.maxLine,n.maxLine.text.length).left+3,e.display.sizerWidth=t.adjustWidthTo,t.barMeasure.scrollWidth=Math.max(n.scroller.clientWidth,n.sizer.offsetLeft+t.adjustWidthTo+Pn(e)+e.display.barWidth),t.maxScrollLeft=Math.max(0,n.sizer.offsetLeft+t.adjustWidthTo-jn(e))),(t.updatedDisplay||t.selectionChanged)&&(t.preparedSelection=n.input.prepareSelection())}function Yr(t){var e=t.cm;null!=t.adjustWidthTo&&(e.display.sizer.style.minWidth=t.adjustWidthTo+"px",t.maxScrollLeft(window.innerHeight||document.documentElement.clientHeight)&&(i=!1),null!=i&&!p){var o=E("div","",null,"position: absolute;\n top: "+(e.top-n.viewOffset-kn(t.display))+"px;\n height: "+(e.bottom-e.top+Pn(t)+n.barHeight)+"px;\n left: "+e.left+"px; width: "+Math.max(2,e.right-e.left)+"px;");t.display.lineSpace.appendChild(o),o.scrollIntoView(i),t.display.lineSpace.removeChild(o)}}}(e,function(t,e,n,r){var i;null==r&&(r=0),t.options.lineWrapping||e!=n||(n="before"==(e=e.ch?ee(e.line,"before"==e.sticky?e.ch-1:e.ch,"after"):e).sticky?ee(e.line,e.ch+1,"before"):e);for(var o=0;o<5;o++){var a=!1,s=Kn(t,e),l=n&&n!=e?Kn(t,n):s,c=jr(t,i={left:Math.min(s.left,l.left),top:Math.min(s.top,l.top)-r,right:Math.max(s.left,l.left),bottom:Math.max(s.bottom,l.bottom)+r}),u=t.doc.scrollTop,h=t.doc.scrollLeft;if(null!=c.scrollTop&&(Nr(t,c.scrollTop),Math.abs(t.doc.scrollTop-u)>1&&(a=!0)),null!=c.scrollLeft&&(Fr(t,c.scrollLeft),Math.abs(t.doc.scrollLeft-h)>1&&(a=!0)),!a)break}return i}(e,le(r,t.scrollToPos.from),le(r,t.scrollToPos.to),t.scrollToPos.margin));var i=t.maybeHiddenMarkers,o=t.maybeUnhiddenMarkers;if(i)for(var a=0;a=t.display.viewTo)){var n=+new Date+t.options.workTime,r=pe(t,e.highlightFrontier),i=[];e.iter(r.line,Math.min(e.first+e.size,t.display.viewTo+500),function(o){if(r.line>=t.display.viewFrom){var a=o.styles,s=o.text.length>t.options.maxHighlightLength?Wt(e.mode,r.state):null,l=de(t,o,r,!0);s&&(r.state=s),o.styles=l.styles;var c=o.styleClasses,u=l.classes;u?o.styleClasses=u:c&&(o.styleClasses=null);for(var h=!a||a.length!=o.styles.length||c!=u&&(!c||!u||c.bgClass!=u.bgClass||c.textClass!=u.textClass),d=0;!h&&d