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名称	大小	权限	修改时间	操作
..	-	-	-
codemirror.css	3.71 KB	-rw-r--r--	2021-03-21 12:50
codemirror.js	97.58 KB	-rw-r--r--	2021-03-21 12:50

代码编辑器 :codemirror.js

window.CodeMirror=function(){function n(a,b){if(!(this instanceof n))return new n(a,b);this.options=b=b||{};for(var c in Kb)!b.hasOwnProperty(c)&&Kb.hasOwnProperty(c)&&(b[c]=Kb[c]);Lb(b);c=this.display=Hd(a,"string"==typeof b.value?0:b.value.first);c.wrapper.CodeMirror=this;Ac(this);b.autofocus&&!Mb&&I(this);this.state={keyMaps:[],overlays:[],modeGen:0,overwrite:!1,focused:!1,suppressEdits:!1,pasteIncoming:!1,draggingText:!1,highlight:new Nb};Bc(this);b.lineWrapping&&(this.display.wrapper.className+=
" CodeMirror-wrap");var d=b.value;"string"==typeof d&&(d=new J(b.value,b.mode));w(this,Cc)(this,d);B&&setTimeout(L(Z,this,!0),20);Id(this);var e;try{e=document.activeElement==c.input}catch(f){}e||b.autofocus&&!Mb?setTimeout(L(ca,this),20):Ob(this);w(this,function(){for(var a in la)if(la.propertyIsEnumerable(a))la[a](this,b[a],Dc);for(a=0;a<Pb.length;++a)Pb[a](this)})()}function Hd(a,b){var c={},d=c.input=r("textarea",null,null,"position: absolute; padding: 0; width: 1px; height: 1em; outline: none; font-size: 4px;");
M?d.style.width="1000px":d.setAttribute("wrap","off");Ca&&(d.style.border="1px solid black");d.setAttribute("autocorrect","off");d.setAttribute("autocapitalize","off");c.inputDiv=r("div",[d],null,"overflow: hidden; position: relative; width: 3px; height: 0px;");c.scrollbarH=r("div",[r("div",null,null,"height: 1px")],"CodeMirror-hscrollbar");c.scrollbarV=r("div",[r("div",null,null,"width: 1px")],"CodeMirror-vscrollbar");c.scrollbarFiller=r("div",null,"CodeMirror-scrollbar-filler");c.lineDiv=r("div");
c.selectionDiv=r("div",null,null,"position: relative; z-index: 1");c.cursor=r("div","\u00a0","CodeMirror-cursor");c.otherCursor=r("div","\u00a0","CodeMirror-cursor CodeMirror-secondarycursor");c.measure=r("div",null,"CodeMirror-measure");c.lineSpace=r("div",[c.measure,c.selectionDiv,c.lineDiv,c.cursor,c.otherCursor],null,"position: relative; outline: none");c.mover=r("div",[r("div",[c.lineSpace],"CodeMirror-lines")],null,"position: relative");c.sizer=r("div",[c.mover],"CodeMirror-sizer");c.heightForcer=
r("div",null,null,"position: absolute; height: "+Da+"px; width: 1px;");c.gutters=r("div",null,"CodeMirror-gutters");c.lineGutter=null;var e=r("div",[c.sizer,c.heightForcer,c.gutters],null,"position: relative; min-height: 100%");c.scroller=r("div",[e],"CodeMirror-scroll");c.scroller.setAttribute("tabIndex","-1");c.wrapper=r("div",[c.inputDiv,c.scrollbarH,c.scrollbarV,c.scrollbarFiller,c.scroller],"CodeMirror");ma&&(c.gutters.style.zIndex=-1,c.scroller.style.paddingRight=0);a.appendChild?a.appendChild(c.wrapper):
a(c.wrapper);Ca&&(d.style.width="0px");M||(c.scroller.draggable=!0);Qb?(c.inputDiv.style.height="1px",c.inputDiv.style.position="absolute"):ma&&(c.scrollbarH.style.minWidth=c.scrollbarV.style.minWidth="18px");c.viewOffset=c.lastSizeC=0;c.showingFrom=c.showingTo=b;c.lineNumWidth=c.lineNumInnerWidth=c.lineNumChars=null;c.prevInput="";c.alignWidgets=!1;c.pollingFast=!1;c.poll=new Nb;c.cachedCharWidth=c.cachedTextHeight=null;c.measureLineCache=[];c.measureLineCachePos=0;c.inaccurateSelection=!1;c.maxLine=
null;c.maxLineLength=0;c.maxLineChanged=!1;c.wheelDX=c.wheelDY=c.wheelStartX=c.wheelStartY=null;return c}function Ea(a){a.doc.mode=n.getMode(a.options,a.doc.modeOption);a.doc.iter(function(a){a.stateAfter&&(a.stateAfter=null);a.styles&&(a.styles=null)});a.doc.frontier=a.doc.first;bb(a,100);a.state.modeGen++;a.curOp&&A(a)}function Ec(a){var b=Fa(a.display),c=a.options.lineWrapping,d=c&&Math.max(5,a.display.scroller.clientWidth/Fc(a.display)-3);return function(e){return da(a.doc,e)?0:c?(Math.ceil(e.text.length/
d)||1)*b:b}}function Gc(a){var b=a.doc,c=Ec(a);b.iter(function(a){var b=c(a);b!=a.height&&Q(a,b)})}function Bc(a){a.display.wrapper.className=a.display.wrapper.className.replace(/\s*cm-s-\S+/g,"")+a.options.theme.replace(/(^|\s)\s*/g," cm-s-");na(a)}function Ga(a){Ac(a);A(a)}function Ac(a){var b=a.display.gutters,c=a.options.gutters;cb(b);for(var d=0;d<c.length;++d){var e=c[d],f=b.appendChild(r("div",null,"CodeMirror-gutter "+e));"CodeMirror-linenumbers"==e&&(a.display.lineGutter=f,f.style.width=
(a.display.lineNumWidth||1)+"px")}b.style.display=d?"":"none"}function db(a,b){if(0==b.height)return 0;for(var c=b.text.length,d,e=b;d=ea(e,-1);)d=d.find(),e=s(a,d.from.line),c+=d.from.ch-d.to.ch;for(e=b;d=Ha(e);)d=d.find(),c-=e.text.length-d.from.ch,e=s(a,d.to.line),c+=e.text.length-d.to.ch;return c}function Rb(a){var b=a.display,c=a.doc;b.maxLine=s(c,c.first);b.maxLineLength=db(c,b.maxLine);b.maxLineChanged=!0;c.iter(function(a){var e=db(c,a);e>b.maxLineLength&&(b.maxLineLength=e,b.maxLine=a)})}
function Lb(a){for(var b=!1,c=0;c<a.gutters.length;++c)"CodeMirror-linenumbers"==a.gutters[c]&&(a.lineNumbers?b=!0:a.gutters.splice(c--,1));!b&&a.lineNumbers&&a.gutters.push("CodeMirror-linenumbers")}function Hc(a,b){var c=b+(a.mover.offsetHeight-a.lineSpace.offsetHeight);a.sizer.style.minHeight=a.heightForcer.style.top=c+"px";var c=Math.max(c,a.scroller.scrollHeight),d=a.scroller.scrollWidth>a.scroller.clientWidth,e=c>a.scroller.clientHeight;e?(a.scrollbarV.style.display="block",a.scrollbarV.style.bottom=
d?eb(a.measure)+"px":"0",a.scrollbarV.firstChild.style.height=c-a.scroller.clientHeight+a.scrollbarV.clientHeight+"px"):a.scrollbarV.style.display="";d?(a.scrollbarH.style.display="block",a.scrollbarH.style.right=e?eb(a.measure)+"px":"0",a.scrollbarH.firstChild.style.width=a.scroller.scrollWidth-a.scroller.clientWidth+a.scrollbarH.clientWidth+"px"):a.scrollbarH.style.display="";d&&e?(a.scrollbarFiller.style.display="block",a.scrollbarFiller.style.height=a.scrollbarFiller.style.width=eb(a.measure)+
"px"):a.scrollbarFiller.style.display="";Jd&&0===eb(a.measure)&&(a.scrollbarV.style.minWidth=a.scrollbarH.style.minHeight=Kd?"18px":"12px")}function Sb(a,b,c){var d=a.scroller.scrollTop,e=a.wrapper.clientHeight;"number"==typeof c?d=c:c&&(d=c.top,e=c.bottom-c.top);d=Math.floor(d-a.lineSpace.offsetTop);a=Math.ceil(d+e);return{from:fb(b,d),to:fb(b,a)}}function Ic(a){var b=a.display;if(b.alignWidgets||b.gutters.firstChild&&a.options.fixedGutter){for(var c=Tb(b)-b.scroller.scrollLeft+a.doc.scrollLeft,
d=b.gutters.offsetWidth,e=c+"px",f=b.lineDiv.firstChild;f;f=f.nextSibling)if(f.alignable)for(var g=0,h=f.alignable;g<h.length;++g)h[g].style.left=e;a.options.fixedGutter&&(b.gutters.style.left=c+d+"px")}}function Ld(a){if(!a.options.lineNumbers)return!1;var b=a.doc,b=Ub(a.options,b.first+b.size-1);a=a.display;if(b.length!=a.lineNumChars){var c=a.measure.appendChild(r("div",[r("div",b)],"CodeMirror-linenumber CodeMirror-gutter-elt")),d=c.firstChild.offsetWidth,c=c.offsetWidth-d;a.lineGutter.style.width=
"";a.lineNumInnerWidth=Math.max(d,a.lineGutter.offsetWidth-c);a.lineNumWidth=a.lineNumInnerWidth+c;a.lineNumChars=a.lineNumInnerWidth?b.length:-1;a.lineGutter.style.width=a.lineNumWidth+"px";return!0}return!1}function Ub(a,b){return String(a.lineNumberFormatter(b+a.firstLineNumber))}function Tb(a){return C(a.scroller).left-C(a.sizer).left}function gb(a,b,c){for(var d=a.display.showingFrom,e=a.display.showingTo,f,g=Sb(a.display,a.doc,c);;){if(Md(a,b,g))f=!0,R(a,"update",a),a.display.showingFrom==d&&
a.display.showingTo==e||R(a,"viewportChange",a,a.display.showingFrom,a.display.showingTo);else break;Vb(a);Hc(a.display,a.doc.height);c&&(c=Math.min(a.display.scroller.scrollHeight-a.display.scroller.clientHeight,"number"==typeof c?c:c.top));g=Sb(a.display,a.doc,c);if(g.from>=a.display.showingFrom&&g.to<=a.display.showingTo)break;b=[]}return f}function Md(a,b,c){var d=a.display,e=a.doc;if(!d.wrapper.clientWidth)d.showingFrom=d.showingTo=e.first,d.viewOffset=0;else if(!(0==b.length&&c.from>d.showingFrom&&
c.to<d.showingTo)){Ld(a)&&(b=[{from:e.first,to:e.first+e.size}]);var f=d.sizer.style.marginLeft=d.gutters.offsetWidth+"px";d.scrollbarH.style.left=a.options.fixedGutter?f:"0";var g=Infinity;if(a.options.lineNumbers)for(f=0;f<b.length;++f)if(b[f].diff){g=b[f].from;break}var f=e.first+e.size,h=Math.max(c.from-a.options.viewportMargin,e.first);c=Math.min(f,c.to+a.options.viewportMargin);d.showingFrom<h&&20>h-d.showingFrom&&(h=Math.max(e.first,d.showingFrom));d.showingTo>c&&20>d.showingTo-c&&(c=Math.min(f,
d.showingTo));if(Ia)for(h=K(oa(e,s(e,h)));c<f&&da(e,s(e,c));)++c;var k=[{from:Math.max(d.showingFrom,e.first),to:Math.min(d.showingTo,f)}],k=k[0].from>=k[0].to?[]:Nd(k,b);if(Ia)for(f=0;f<k.length;++f){b=k[f];for(var l;l=Ha(s(e,b.to-1));)if(l=l.find().from.line,l>b.from)b.to=l;else{k.splice(f--,1);break}}for(f=e=0;f<k.length;++f)b=k[f],b.from<h&&(b.from=h),b.to>c&&(b.to=c),b.from>=b.to?k.splice(f--,1):e+=b.to-b.from;if(e==c-h&&h==d.showingFrom&&c==d.showingTo)Jc(a);else{k.sort(function(a,b){return a.from-
b.from});try{var m=document.activeElement}catch(p){}e<.7*(c-h)&&(d.lineDiv.style.display="none");Od(a,h,c,k,g);d.lineDiv.style.display="";m&&document.activeElement!=m&&m.offsetHeight&&m.focus();if(h!=d.showingFrom||c!=d.showingTo||d.lastSizeC!=d.wrapper.clientHeight)d.lastSizeC=d.wrapper.clientHeight;d.showingFrom=h;d.showingTo=c;bb(a,100);m=d.lineDiv.offsetTop;for(e=d.lineDiv.firstChild;e;e=e.nextSibling)if(e.lineObj&&(ma?(g=e.offsetTop+e.offsetHeight,f=g-m,m=g):(f=C(e),f=f.bottom-f.top),g=e.lineObj.height-
f,2>f&&(f=Fa(d)),.001<g||-.001>g)&&(Q(e.lineObj,f),g=e.lineObj.widgets))for(f=0;f<g.length;++f)g[f].height=g[f].node.offsetHeight;Jc(a);return!0}}}function Jc(a){var b=a.display.viewOffset=pa(a,s(a.doc,a.display.showingFrom));a.display.mover.style.top=b+"px"}function Nd(a,b){for(var c=0,d=b.length||0;c<d;++c){for(var e=b[c],f=[],g=e.diff||0,h=0,k=a.length;h<k;++h){var l=a[h];e.to<=l.from&&e.diff?f.push({from:l.from+g,to:l.to+g}):e.to<=l.from||e.from>=l.to?f.push(l):(e.from>l.from&&f.push({from:l.from,
to:e.from}),e.to<l.to&&f.push({from:e.to+g,to:l.to+g}))}a=f}return a}function Pd(a){for(var b=a.display,c={},d={},e=b.gutters.firstChild,f=0;e;e=e.nextSibling,++f)c[a.options.gutters[f]]=e.offsetLeft,d[a.options.gutters[f]]=e.offsetWidth;return{fixedPos:Tb(b),gutterTotalWidth:b.gutters.offsetWidth,gutterLeft:c,gutterWidth:d,wrapperWidth:b.wrapper.clientWidth}}function Od(a,b,c,d,e){function f(b){var c=b.nextSibling;M&&qa&&a.display.currentWheelTarget==b?(b.style.display="none",b.lineObj=null):b.parentNode.removeChild(b);
return c}var g=Pd(a),h=a.display,k=a.options.lineNumbers;d.length||M&&a.display.currentWheelTarget||cb(h.lineDiv);var l=h.lineDiv,m=l.firstChild,p=d.shift(),y=b;for(a.doc.iter(b,c,function(b){p&&p.to==y&&(p=d.shift());if(da(a.doc,b)){if(0!=b.height&&Q(b,0),b.widgets&&m.previousSibling)for(var c=0;c<b.widgets.length;++c)if(b.widgets[c].showIfHidden){var h=m.previousSibling;if(/pre/i.test(h.nodeName)){var n=r("div",null,null,"position: relative");h.parentNode.replaceChild(n,h);n.appendChild(h);h=n}n=
h.appendChild(r("div",[b.widgets[c].node],"CodeMirror-linewidget"));Wb(b.widgets[c],n,h,g)}}else if(p&&p.from<=y&&p.to>y){for(;m.lineObj!=b;)m=f(m);k&&e<=y&&m.lineNumber&&Kc(m.lineNumber,Ub(a.options,y));m=m.nextSibling}else{if(b.widgets)for(var q=0,s=m;s&&20>q;++q,s=s.nextSibling)if(s.lineObj==b&&/div/i.test(s.nodeName)){c=s;break}var t=y,s=c,q=Xb(a,b),N=b.gutterMarkers,w=a.display;if(a.options.lineNumbers||N||b.bgClass||b.wrapClass||b.widgets){if(s){s.alignable=null;for(var F=!0,v=0,u=s.firstChild,
x;u;u=x)if(x=u.nextSibling,/\bCodeMirror-linewidget\b/.test(u.className)){for(var z=0,C=!0;z<b.widgets.length;++z){var B=b.widgets[z],A=!1;B.above||(A=C,C=!1);if(B.node==u.firstChild){Wb(B,u,s,g);++v;A&&s.insertBefore(q,u);break}}if(z==b.widgets.length){F=!1;break}}else s.removeChild(u);F&&v==b.widgets.length&&(h=s,s.className=b.wrapClass||"")}h||(h=r("div",null,b.wrapClass,"position: relative"),h.appendChild(q));b.bgClass&&h.insertBefore(r("div",null,b.bgClass+" CodeMirror-linebackground"),h.firstChild);
if(a.options.lineNumbers||N)if(n=h.insertBefore(r("div",null,null,"position: absolute; left: "+(a.options.fixedGutter?g.fixedPos:-g.gutterTotalWidth)+"px"),h.firstChild),a.options.fixedGutter&&(h.alignable||(h.alignable=[])).push(n),!a.options.lineNumbers||N&&N["CodeMirror-linenumbers"]||(h.lineNumber=n.appendChild(r("div",Ub(a.options,t),"CodeMirror-linenumber CodeMirror-gutter-elt","left: "+g.gutterLeft["CodeMirror-linenumbers"]+"px; width: "+w.lineNumInnerWidth+"px"))),N)for(z=0;z<a.options.gutters.length;++z)B=
a.options.gutters[z],(t=N.hasOwnProperty(B)&&N[B])&&n.appendChild(r("div",[t],"CodeMirror-gutter-elt","left: "+g.gutterLeft[B]+"px; width: "+g.gutterWidth[B]+"px"));ma&&(h.style.zIndex=2);if(b.widgets&&h!=s)for(z=0,s=b.widgets;z<s.length;++z)B=s[z],N=r("div",[B.node],"CodeMirror-linewidget"),Wb(B,N,h,g),B.above?h.insertBefore(N,a.options.lineNumbers&&0!=b.height?n:q):h.appendChild(N),R(B,"redraw")}else h=q;if(h!=c)l.insertBefore(h,m);else{for(;m!=c;)m=f(m);m=m.nextSibling}h.lineObj=b}++y});m;)m=f(m)}
function Wb(a,b,c,d){a.noHScroll&&((c.alignable||(c.alignable=[])).push(b),c=d.wrapperWidth,b.style.left=d.fixedPos+"px",a.coverGutter||(c-=d.gutterTotalWidth,b.style.paddingLeft=d.gutterTotalWidth+"px"),b.style.width=c+"px");a.coverGutter&&(b.style.zIndex=5,b.style.position="relative",a.noHScroll||(b.style.marginLeft=-d.gutterTotalWidth+"px"))}function Vb(a){var b=a.display,c=x(a.doc.sel.from,a.doc.sel.to);if(c||a.options.showCursorWhenSelecting){var d=a.display,e=S(a,a.doc.sel.head,"div");d.cursor.style.left=
e.left+"px";d.cursor.style.top=e.top+"px";d.cursor.style.height=Math.max(0,e.bottom-e.top)*a.options.cursorHeight+"px";d.cursor.style.display="";e.other?(d.otherCursor.style.display="",d.otherCursor.style.left=e.other.left+"px",d.otherCursor.style.top=e.other.top+"px",d.otherCursor.style.height=.85*(e.other.bottom-e.other.top)+"px"):d.otherCursor.style.display="none"}else b.cursor.style.display=b.otherCursor.style.display="none";c?b.selectionDiv.style.display="none":Qd(a);a.options.moveInputWithCursor&&
(a=S(a,a.doc.sel.head,"div"),c=C(b.wrapper),d=C(b.lineDiv),b.inputDiv.style.top=Math.max(0,Math.min(b.wrapper.clientHeight-10,a.top+d.top-c.top))+"px",b.inputDiv.style.left=Math.max(0,Math.min(b.wrapper.clientWidth-10,a.left+d.left-c.left))+"px")}function Qd(a){function b(a,b,c,d){0>b&&(b=0);g.appendChild(r("div",null,"CodeMirror-selected","position: absolute; left: "+a+"px; top: "+b+"px; width: "+(null==c?h-a:c)+"px; height: "+(d-b)+"px"))}function c(c,d,f,g){var l=s(e,c),m=l.text.length,p=g?Infinity:
-Infinity;Rd(T(l),d||0,null==f?m:f,function(e,y,n){var s=ib(a,q(c,e),"div",l),r,t;e==y?(r=s,n=t=s.left):(r=ib(a,q(c,y-1),"div",l),"rtl"==n&&(n=s,s=r,r=n),n=s.left,t=r.right);3<r.top-s.top&&(b(n,s.top,null,s.bottom),n=k,s.bottom<r.top&&b(n,s.bottom,null,r.top));null==f&&y==m&&(t=h);null==d&&0==e&&(n=k);p=g?Math.min(r.top,p):Math.max(r.bottom,p);n<k+1&&(n=k);b(n,r.top,t-n,r.bottom)});return p}var d=a.display,e=a.doc,f=a.doc.sel,g=document.createDocumentFragment(),h=d.lineSpace.offsetWidth,k=U(a.display.measure,
r("pre",null,null,"text-align: left")).appendChild(r("span","x")).offsetLeft;if(f.from.line==f.to.line)c(f.from.line,f.from.ch,f.to.ch);else{for(var l=s(e,f.from.line),m=l,p=[f.from.line,f.from.ch],y;m=Ha(m);){m=m.find();p.push(m.from.ch,m.to.line,m.to.ch);if(m.to.line==f.to.line){p.push(f.to.ch);y=!0;break}m=s(e,m.to.line)}if(y)for(f=0;f<p.length;f+=3)c(p[f],p[f+1],p[f+2]);else p=s(e,f.to.line),l=f.from.ch?c(f.from.line,f.from.ch,null,!1):pa(a,l)-d.viewOffset,f=f.to.ch?c(f.to.line,ea(p,-1)?null:
0,f.to.ch,!0):pa(a,p)-d.viewOffset,l<f&&b(k,l,null,f)}U(d.selectionDiv,g);d.selectionDiv.style.display=""}function jb(a){if(a.state.focused){var b=a.display;clearInterval(b.blinker);var c=!0;b.cursor.style.visibility=b.otherCursor.style.visibility="";b.blinker=setInterval(function(){b.cursor.style.visibility=b.otherCursor.style.visibility=(c=!c)?"":"hidden"},a.options.cursorBlinkRate)}}function bb(a,b){a.doc.mode.startState&&a.doc.frontier<a.display.showingTo&&a.state.highlight.set(b,L(Sd,a))}function Sd(a){var b=
a.doc;b.frontier<b.first&&(b.frontier=b.first);if(!(b.frontier>=a.display.showingTo)){var c=+new Date+a.options.workTime,d=ra(b.mode,Ka(a,b.frontier)),e=[],f;b.iter(b.frontier,Math.min(b.first+b.size,a.display.showingTo+500),function(g){if(b.frontier>=a.display.showingFrom){var h=g.styles;g.styles=Mc(a,g,d);for(var k=!h||h.length!=g.styles.length,l=0;!k&&l<h.length;++l)k=h[l]!=g.styles[l];k&&(f&&f.end==b.frontier?f.end++:e.push(f={start:b.frontier,end:b.frontier+1}));g.stateAfter=ra(b.mode,d)}else Nc(a,
g,d),g.stateAfter=0==b.frontier%5?ra(b.mode,d):null;++b.frontier;if(+new Date>c)return bb(a,a.options.workDelay),!0});e.length&&w(a,function(){for(var a=0;a<e.length;++a)A(this,e[a].start,e[a].end)})()}}function Td(a,b){for(var c,d,e=a.doc,f=b,g=b-100;f>g;--f){if(f<=e.first)return e.first;var h=s(e,f-1);if(h.stateAfter)return f;h=sa(h.text,null,a.options.tabSize);if(null==d||c>h)d=f-1,c=h}return d}function Ka(a,b){var c=a.doc,d=a.display;if(!c.mode.startState)return!0;var e=Td(a,b),f=e>c.first&&s(c,
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