Function visualLine

lib/codemirror/codemirror.min.js:43–43

(line)

this.type=type;this.doc=doc;this.id=++nextMarkerId};eventMixin(TextMarker);TextMarker.prototype.clear=function(){if(this.explicitlyCleared){return}var cm=this.doc.cm,withOp=cm&&!cm.curOp;if(withOp){startOperation(cm)}if(hasHandler(this,"clear")){var found=this.find();if(found){signalLater(this,"clear",found.from,found.to)}}var min=null,max=null;for(var i=0;i<this.lines.length;++i){var line=this.lines[i];var span=getMarkedSpanFor(line.markedSpans,this);if(cm&&!this.collapsed){regLineChange(cm,lineNo(line),"text")}else{if(cm){if(span.to!=null){max=lineNo(line)}if(span.from!=null){min=lineNo(line)}}}line.markedSpans=removeMarkedSpan(line.markedSpans,span);if(span.from==null&&this.collapsed&&!lineIsHidden(this.doc,line)&&cm){updateLineHeight(line,textHeight(cm.display))}}if(cm&&this.collapsed&&!cm.options.lineWrapping){for(var i=0;i<this.lines.length;++i){var visual=visualLine(this.lines[i]),len=lineLength(visual);if(len>cm.display.maxLineLength){cm.display.maxLine=visual;cm.display.maxLineLength=len;cm.display.maxLineChanged=true}}}if(min!=null&&cm&&this.collapsed){regChange(cm,min,max+1)}this.lines.length=0;this.explicitlyCleared=true;if(this.atomic&&this.doc.cantEdit){this.doc.cantEdit=false;if(cm){reCheckSelection(cm.doc)}}if(cm){signalLater(cm,"markerCleared",cm,this)}if(withOp){endOperation(cm)}if(this.parent){this.parent.clear()}};TextMarker.prototype.find=function(side,lineObj){if(side==null&&this.type=="bookmark"){side=1}var from,to;for(var i=0;i<this.lines.length;++i){var line=this.lines[i];var span=getMarkedSpanFor(line.markedSpans,this);if(span.from!=null){from=Pos(lineObj?line:lineNo(line),span.from);if(side==-1){return from}}if(span.to!=null){to=Pos(lineObj?line:lineNo(line),span.to);if(side==1){return to}}}return from&&{from:from,to:to}};TextMarker.prototype.changed=function(){var pos=this.find(-1,true),widget=this,cm=this.doc.cm;if(!pos||!cm){return}runInOp(cm,function(){var line=pos.line,lineN=lineNo(pos.line);var view=findViewForLine(cm,lineN);if(view){clearLineMeasurementCacheFor(view);cm.curOp.selectionChanged=cm.curOp.forceUpdate=true}cm.curOp.updateMaxLine=true;if(!lineIsHidden(widget.doc,line)&&widget.height!=null){var oldHeight=widget.height;widget.height=null;var dHeight=widgetHeight(widget)-oldHeight;if(dHeight){updateLineHeight(line,line.height+dHeight)}}})};TextMarker.prototype.attachLine=function(line){if(!this.lines.length&&this.doc.cm){var op=this.doc.cm.curOp;if(!op.maybeHiddenMarkers||indexOf(op.maybeHiddenMarkers,this)==-1){(op.maybeUnhiddenMarkers||(op.maybeUnhiddenMarkers=[])).push(this)}}this.lines.push(line)};TextMarker.prototype.detachLine=function(line){this.lines.splice(indexOf(this.lines,line),1);if(!this.lines.length&&this.doc.cm){var op=this.doc.cm.curOp;(op.maybeHiddenMarkers||(op.maybeHiddenMarkers=[])).push(this)}};var nextMarkerId=0;function markText(doc,from,to,options,type){if(options&&options.shared){return markTextShared(doc,from,to,options,type)}if(doc.cm&&!doc.cm.curOp){return operation(doc.cm,markText)(doc,from,to,options,type)}var marker=new TextMarker(doc,type),diff=cmp(from,to);if(options){copyObj(options,marker,false)}if(diff>0||diff==0&&marker.clearWhenEmpty!==false){return marker}if(marker.replacedWith){marker.collapsed=true;marker.widgetNode=elt("span",[marker.replacedWith],"CodeMirror-widget");if(!options.handleMouseEvents){marker.widgetNode.setAttribute("cm-ignore-events","true")}if(options.insertLeft){marker.widgetNode.insertLeft=true}}if(marker.collapsed){if(conflictingCollapsedRange(doc,from.line,from,to,marker)||from.line!=to.line&&conflictingCollapsedRange(doc,to.line,from,to,marker)){throw new Error("Inserting collapsed marker partially overlapping an existing one")}sawCollapsedSpans=true}if(marker.addToHistory){addChangeToHistory(doc,{from:from,to:to,origin:"markText"},doc.sel,NaN)}var curLine=from.line,cm=doc.cm,updateMaxLine;doc.iter(curLine,to.line+1,function(line){if(cm&&marker.collapsed&&!cm.options.lineWrapping&&visualLine(line)==cm.display.maxLine){updateMaxLine=true}if(marker.collapsed&&curLine!=from.line){updateLineHeight(line,0)}addMarkedSpan(line,new MarkedSpan(marker,curLine==from.line?from.ch:null,curLine==to.line?to.ch:null));++curLine});if(marker.collapsed){doc.iter(from.line,to.line+1,function(line){if(lineIsHidden(doc,line)){updateLineHeight(line,0)}})}if(marker.clearOnEnter){on(marker,"beforeCursorEnter",function(){marker.clear()})}if(marker.readOnly){sawReadOnlySpans=true;if(doc.history.done.length||doc.history.undone.length){doc.clearHistory()}}if(marker.collapsed){marker.id=++nextMarkerId;marker.atomic=true}if(cm){if(updateMaxLine){cm.curOp.updateMaxLine=true}if(marker.collapsed){regChange(cm,from.line,to.line+1)}else{if(marker.className||marker.title||marker.startStyle||marker.endStyle||marker.css){for(var i=from.line;i<=to.line;i++){regLineChange(cm,i,"text")}}}if(marker.atomic){reCheckSelection(cm.doc)}signalLater(cm,"markerAdded",cm,marker)}return marker}var SharedTextMarker=CodeMirror.SharedTextMarker=function(markers,primary){this.markers=markers;
this.primary=primary;for(var i=0;i<markers.length;++i){markers[i].parent=this}};eventMixin(SharedTextMarker);SharedTextMarker.prototype.clear=function(){if(this.explicitlyCleared){return}this.explicitlyCleared=true;for(var i=0;i<this.markers.length;++i){this.markers[i].clear()}signalLater(this,"clear")};SharedTextMarker.prototype.find=function(side,lineObj){return this.primary.find(side,lineObj)};function markTextShared(doc,from,to,options,type){options=copyObj(options);options.shared=false;var markers=[markText(doc,from,to,options,type)],primary=markers[0];var widget=options.widgetNode;linkedDocs(doc,function(doc){if(widget){options.widgetNode=widget.cloneNode(true)}markers.push(markText(doc,clipPos(doc,from),clipPos(doc,to),options,type));for(var i=0;i<doc.linked.length;++i){if(doc.linked[i].isParent){return}}primary=lst(markers)});return new SharedTextMarker(markers,primary)}function findSharedMarkers(doc){return doc.findMarks(Pos(doc.first,0),doc.clipPos(Pos(doc.lastLine())),function(m){return m.parent})}function copySharedMarkers(doc,markers){for(var i=0;i<markers.length;i++){var marker=markers[i],pos=marker.find();var mFrom=doc.clipPos(pos.from),mTo=doc.clipPos(pos.to);if(cmp(mFrom,mTo)){var subMark=markText(doc,mFrom,mTo,marker.primary,marker.primary.type);marker.markers.push(subMark);subMark.parent=marker}}}function detachSharedMarkers(markers){for(var i=0;i<markers.length;i++){var marker=markers[i],linked=[marker.primary.doc];linkedDocs(marker.primary.doc,function(d){linked.push(d)});for(var j=0;j<marker.markers.length;j++){var subMarker=marker.markers[j];if(indexOf(linked,subMarker.doc)==-1){subMarker.parent=null;marker.markers.splice(j--,1)}}}}function MarkedSpan(marker,from,to){this.marker=marker;this.from=from;this.to=to}function getMarkedSpanFor(spans,marker){if(spans){for(var i=0;i<spans.length;++i){var span=spans[i];if(span.marker==marker){return span}}}}function removeMarkedSpan(spans,span){for(var r,i=0;i<spans.length;++i){if(spans[i]!=span){(r||(r=[])).push(spans[i])}}return r}function addMarkedSpan(line,span){line.markedSpans=line.markedSpans?line.markedSpans.concat([span]):[span];span.marker.attachLine(line)}function markedSpansBefore(old,startCh,isInsert){if(old){for(var i=0,nw;i<old.length;++i){var span=old[i],marker=span.marker;var startsBefore=span.from==null||(marker.inclusiveLeft?span.from<=startCh:span.from<startCh);if(startsBefore||span.from==startCh&&marker.type=="bookmark"&&(!isInsert||!span.marker.insertLeft)){var endsAfter=span.to==null||(marker.inclusiveRight?span.to>=startCh:span.to>startCh);(nw||(nw=[])).push(new MarkedSpan(marker,span.from,endsAfter?null:span.to))}}}return nw}function markedSpansAfter(old,endCh,isInsert){if(old){for(var i=0,nw;i<old.length;++i){var span=old[i],marker=span.marker;var endsAfter=span.to==null||(marker.inclusiveRight?span.to>=endCh:span.to>endCh);if(endsAfter||span.from==endCh&&marker.type=="bookmark"&&(!isInsert||span.marker.insertLeft)){var startsBefore=span.from==null||(marker.inclusiveLeft?span.from<=endCh:span.from<endCh);(nw||(nw=[])).push(new MarkedSpan(marker,startsBefore?null:span.from-endCh,span.to==null?null:span.to-endCh))}}}return nw}function stretchSpansOverChange(doc,change){if(change.full){return null}var oldFirst=isLine(doc,change.from.line)&&getLine(doc,change.from.line).markedSpans;var oldLast=isLine(doc,change.to.line)&&getLine(doc,change.to.line).markedSpans;if(!oldFirst&&!oldLast){return null}var startCh=change.from.ch,endCh=change.to.ch,isInsert=cmp(change.from,change.to)==0;var first=markedSpansBefore(oldFirst,startCh,isInsert);var last=markedSpansAfter(oldLast,endCh,isInsert);var sameLine=change.text.length==1,offset=lst(change.text).length+(sameLine?startCh:0);if(first){for(var i=0;i<first.length;++i){var span=first[i];if(span.to==null){var found=getMarkedSpanFor(last,span.marker);if(!found){span.to=startCh}else{if(sameLine){span.to=found.to==null?null:found.to+offset}}}}}if(last){for(var i=0;i<last.length;++i){var span=last[i];if(span.to!=null){span.to+=offset}if(span.from==null){var found=getMarkedSpanFor(first,span.marker);if(!found){span.from=offset;if(sameLine){(first||(first=[])).push(span)}}}else{span.from+=offset;if(sameLine){(first||(first=[])).push(span)}}}}if(first){first=clearEmptySpans(first)}if(last&&last!=first){last=clearEmptySpans(last)}var newMarkers=[first];if(!sameLine){var gap=change.text.length-2,gapMarkers;if(gap>0&&first){for(var i=0;i<first.length;++i){if(first[i].to==null){(gapMarkers||(gapMarkers=[])).push(new MarkedSpan(first[i].marker,null,null))}}}for(var i=0;i<gap;++i){newMarkers.push(gapMarkers)}newMarkers.push(last)}return newMarkers}function clearEmptySpans(spans){for(var i=0;i<spans.length;++i){var span=spans[i];if(span.from!=null&&span.from==span.to&&span.marker.clearWhenEmpty!==false){spans.splice(i--,1)}}if(!spans.length){return null}return spans}function mergeOldSpans(doc,change){var old=getOldSpans(doc,change);var stretched=stretchSpansOverChange(doc,change);if(!old){return stretched
}if(!stretched){return old}for(var i=0;i<old.length;++i){var oldCur=old[i],stretchCur=stretched[i];if(oldCur&&stretchCur){spans:for(var j=0;j<stretchCur.length;++j){var span=stretchCur[j];for(var k=0;k<oldCur.length;++k){if(oldCur[k].marker==span.marker){continue spans}}oldCur.push(span)}}else{if(stretchCur){old[i]=stretchCur}}}return old}function removeReadOnlyRanges(doc,from,to){var markers=null;doc.iter(from.line,to.line+1,function(line){if(line.markedSpans){for(var i=0;i<line.markedSpans.length;++i){var mark=line.markedSpans[i].marker;if(mark.readOnly&&(!markers||indexOf(markers,mark)==-1)){(markers||(markers=[])).push(mark)}}}});if(!markers){return null}var parts=[{from:from,to:to}];for(var i=0;i<markers.length;++i){var mk=markers[i],m=mk.find(0);for(var j=0;j<parts.length;++j){var p=parts[j];if(cmp(p.to,m.from)<0||cmp(p.from,m.to)>0){continue}var newParts=[j,1],dfrom=cmp(p.from,m.from),dto=cmp(p.to,m.to);if(dfrom<0||!mk.inclusiveLeft&&!dfrom){newParts.push({from:p.from,to:m.from})}if(dto>0||!mk.inclusiveRight&&!dto){newParts.push({from:m.to,to:p.to})}parts.splice.apply(parts,newParts);j+=newParts.length-1}}return parts}function detachMarkedSpans(line){var spans=line.markedSpans;if(!spans){return}for(var i=0;i<spans.length;++i){spans[i].marker.detachLine(line)}line.markedSpans=null}function attachMarkedSpans(line,spans){if(!spans){return}for(var i=0;i<spans.length;++i){spans[i].marker.attachLine(line)}line.markedSpans=spans}function extraLeft(marker){return marker.inclusiveLeft?-1:0}function extraRight(marker){return marker.inclusiveRight?1:0}function compareCollapsedMarkers(a,b){var lenDiff=a.lines.length-b.lines.length;if(lenDiff!=0){return lenDiff}var aPos=a.find(),bPos=b.find();var fromCmp=cmp(aPos.from,bPos.from)||extraLeft(a)-extraLeft(b);if(fromCmp){return -fromCmp}var toCmp=cmp(aPos.to,bPos.to)||extraRight(a)-extraRight(b);if(toCmp){return toCmp}return b.id-a.id}function collapsedSpanAtSide(line,start){var sps=sawCollapsedSpans&&line.markedSpans,found;if(sps){for(var sp,i=0;i<sps.length;++i){sp=sps[i];if(sp.marker.collapsed&&(start?sp.from:sp.to)==null&&(!found||compareCollapsedMarkers(found,sp.marker)<0)){found=sp.marker}}}return found}function collapsedSpanAtStart(line){return collapsedSpanAtSide(line,true)}function collapsedSpanAtEnd(line){return collapsedSpanAtSide(line,false)}function conflictingCollapsedRange(doc,lineNo,from,to,marker){var line=getLine(doc,lineNo);var sps=sawCollapsedSpans&&line.markedSpans;if(sps){for(var i=0;i<sps.length;++i){var sp=sps[i];if(!sp.marker.collapsed){continue}var found=sp.marker.find(0);var fromCmp=cmp(found.from,from)||extraLeft(sp.marker)-extraLeft(marker);var toCmp=cmp(found.to,to)||extraRight(sp.marker)-extraRight(marker);if(fromCmp>=0&&toCmp<=0||fromCmp<=0&&toCmp>=0){continue}if(fromCmp<=0&&(cmp(found.to,from)>0||(sp.marker.inclusiveRight&&marker.inclusiveLeft))||fromCmp>=0&&(cmp(found.from,to)<0||(sp.marker.inclusiveLeft&&marker.inclusiveRight))){return true}}}}function visualLine(line){var merged;while(merged=collapsedSpanAtStart(line)){line=merged.find(-1,true).line}return line}function visualLineContinued(line){var merged,lines;while(merged=collapsedSpanAtEnd(line)){line=merged.find(1,true).line;(lines||(lines=[])).push(line)}return lines}function visualLineNo(doc,lineN){var line=getLine(doc,lineN),vis=visualLine(line);if(line==vis){return lineN}return lineNo(vis)}function visualLineEndNo(doc,lineN){if(lineN>doc.lastLine()){return lineN}var line=getLine(doc,lineN),merged;if(!lineIsHidden(doc,line)){return lineN}while(merged=collapsedSpanAtEnd(line)){line=merged.find(1,true).line}return lineNo(line)+1}function lineIsHidden(doc,line){var sps=sawCollapsedSpans&&line.markedSpans;if(sps){for(var sp,i=0;i<sps.length;++i){sp=sps[i];if(!sp.marker.collapsed){continue}if(sp.from==null){return true}if(sp.marker.widgetNode){continue}if(sp.from==0&&sp.marker.inclusiveLeft&&lineIsHiddenInner(doc,line,sp)){return true}}}}function lineIsHiddenInner(doc,line,span){if(span.to==null){var end=span.marker.find(1,true);return lineIsHiddenInner(doc,end.line,getMarkedSpanFor(end.line.markedSpans,span.marker))}if(span.marker.inclusiveRight&&span.to==line.text.length){return true}for(var sp,i=0;i<line.markedSpans.length;++i){sp=line.markedSpans[i];if(sp.marker.collapsed&&!sp.marker.widgetNode&&sp.from==span.to&&(sp.to==null||sp.to!=span.from)&&(sp.marker.inclusiveLeft||span.marker.inclusiveRight)&&lineIsHiddenInner(doc,line,sp)){return true}}}var LineWidget=CodeMirror.LineWidget=function(cm,node,options){if(options){for(var opt in options){if(options.hasOwnProperty(opt)){this[opt]=options[opt]}}}this.cm=cm;this.node=node};eventMixin(LineWidget);function adjustScrollWhenAboveVisible(cm,line,diff){if(heightAtLine(line)<((cm.curOp&&cm.curOp.scrollTop)||cm.doc.scrollTop)){addToScrollPos(cm,null,diff)}}LineWidget.prototype.clear=function(){var cm=this.cm,ws=this.line.widgets,line=this.line,no=lineNo(line);if(no==null||!ws){return}for(var i=0;i<ws.length;++i){if(ws[i]==this){ws.splice(i--,1)
}}if(!ws.length){line.widgets=null}var height=widgetHeight(this);runInOp(cm,function(){adjustScrollWhenAboveVisible(cm,line,-height);regLineChange(cm,no,"widget");updateLineHeight(line,Math.max(0,line.height-height))})};LineWidget.prototype.changed=function(){var oldH=this.height,cm=this.cm,line=this.line;this.height=null;var diff=widgetHeight(this)-oldH;if(!diff){return}runInOp(cm,function(){cm.curOp.forceUpdate=true;adjustScrollWhenAboveVisible(cm,line,diff);updateLineHeight(line,line.height+diff)})};function widgetHeight(widget){if(widget.height!=null){return widget.height}if(!contains(document.body,widget.node)){var parentStyle="position: relative;";if(widget.coverGutter){parentStyle+="margin-left: -"+widget.cm.display.gutters.offsetWidth+"px;"}if(widget.noHScroll){parentStyle+="width: "+widget.cm.display.wrapper.clientWidth+"px;"}removeChildrenAndAdd(widget.cm.display.measure,elt("div",[widget.node],null,parentStyle))}return widget.height=widget.node.offsetHeight}function addLineWidget(cm,handle,node,options){var widget=new LineWidget(cm,node,options);if(widget.noHScroll){cm.display.alignWidgets=true}changeLine(cm.doc,handle,"widget",function(line){var widgets=line.widgets||(line.widgets=[]);if(widget.insertAt==null){widgets.push(widget)}else{widgets.splice(Math.min(widgets.length-1,Math.max(0,widget.insertAt)),0,widget)}widget.line=line;if(!lineIsHidden(cm.doc,line)){var aboveVisible=heightAtLine(line)<cm.doc.scrollTop;updateLineHeight(line,line.height+widgetHeight(widget));if(aboveVisible){addToScrollPos(cm,null,widget.height)}cm.curOp.forceUpdate=true}return true});return widget}var Line=CodeMirror.Line=function(text,markedSpans,estimateHeight){this.text=text;attachMarkedSpans(this,markedSpans);this.height=estimateHeight?estimateHeight(this):1};eventMixin(Line);Line.prototype.lineNo=function(){return lineNo(this)};function updateLine(line,text,markedSpans,estimateHeight){line.text=text;if(line.stateAfter){line.stateAfter=null}if(line.styles){line.styles=null}if(line.order!=null){line.order=null}detachMarkedSpans(line);attachMarkedSpans(line,markedSpans);var estHeight=estimateHeight?estimateHeight(line):1;if(estHeight!=line.height){updateLineHeight(line,estHeight)}}function cleanUpLine(line){line.parent=null;detachMarkedSpans(line)}function extractLineClasses(type,output){if(type){for(;;){var lineClass=type.match(/(?:^|\s+)line-(background-)?(\S+)/);if(!lineClass){break}type=type.slice(0,lineClass.index)+type.slice(lineClass.index+lineClass[0].length);var prop=lineClass[1]?"bgClass":"textClass";if(output[prop]==null){output[prop]=lineClass[2]}else{if(!(new RegExp("(?:^|s)"+lineClass[2]+"(?:$|s)")).test(output[prop])){output[prop]+=" "+lineClass[2]}}}}return type}function callBlankLine(mode,state){if(mode.blankLine){return mode.blankLine(state)}if(!mode.innerMode){return}var inner=CodeMirror.innerMode(mode,state);if(inner.mode.blankLine){return inner.mode.blankLine(inner.state)}}function readToken(mode,stream,state,inner){for(var i=0;i<10;i++){if(inner){inner[0]=CodeMirror.innerMode(mode,state).mode}var style=mode.token(stream,state);if(stream.pos>stream.start){return style}}throw new Error("Mode "+mode.name+" failed to advance stream.")}function takeToken(cm,pos,precise,asArray){function getObj(copy){return{start:stream.start,end:stream.pos,string:stream.current(),type:style||null,state:copy?copyState(doc.mode,state):state}}var doc=cm.doc,mode=doc.mode,style;pos=clipPos(doc,pos);var line=getLine(doc,pos.line),state=getStateBefore(cm,pos.line,precise);var stream=new StringStream(line.text,cm.options.tabSize),tokens;if(asArray){tokens=[]}while((asArray||stream.pos<pos.ch)&&!stream.eol()){stream.start=stream.pos;style=readToken(mode,stream,state);if(asArray){tokens.push(getObj(true))}}return asArray?tokens:getObj()}function runMode(cm,text,mode,state,f,lineClasses,forceToEnd){var flattenSpans=mode.flattenSpans;if(flattenSpans==null){flattenSpans=cm.options.flattenSpans}var curStart=0,curStyle=null;var stream=new StringStream(text,cm.options.tabSize),style;var inner=cm.options.addModeClass&&[null];if(text==""){extractLineClasses(callBlankLine(mode,state),lineClasses)}while(!stream.eol()){if(stream.pos>cm.options.maxHighlightLength){flattenSpans=false;if(forceToEnd){processLine(cm,text,state,stream.pos)}stream.pos=text.length;style=null}else{style=extractLineClasses(readToken(mode,stream,state,inner),lineClasses)}if(inner){var mName=inner[0].name;if(mName){style="m-"+(style?mName+" "+style:mName)}}if(!flattenSpans||curStyle!=style){while(curStart<stream.start){curStart=Math.min(stream.start,curStart+50000);f(curStart,curStyle)}curStyle=style}stream.start=stream.pos}while(curStart<stream.pos){var pos=Math.min(stream.pos,curStart+50000);f(pos,curStyle);curStart=pos}}function highlightLine(cm,line,state,forceToEnd){var st=[cm.state.modeGen],lineClasses={};runMode(cm,line.text,cm.doc.mode,state,function(end,style){st.push(end,style)},lineClasses,forceToEnd);for(var o=0;o<cm.state.overlays.length;++o){var overlay=cm.state.overlays[o],i=1,at=0;
runMode(cm,line.text,overlay.mode,true,function(end,style){var start=i;while(at<end){var i_end=st[i];if(i_end>end){st.splice(i,1,end,st[i+1],i_end)}i+=2;at=Math.min(end,i_end)}if(!style){return}if(overlay.opaque){st.splice(start,i-start,end,"cm-overlay "+style);i=start+2}else{for(;start<i;start+=2){var cur=st[start+1];st[start+1]=(cur?cur+" ":"")+"cm-overlay "+style}}},lineClasses)}return{styles:st,classes:lineClasses.bgClass||lineClasses.textClass?lineClasses:null}}function getLineStyles(cm,line,updateFrontier){if(!line.styles||line.styles[0]!=cm.state.modeGen){var result=highlightLine(cm,line,line.stateAfter=getStateBefore(cm,lineNo(line)));line.styles=result.styles;if(result.classes){line.styleClasses=result.classes}else{if(line.styleClasses){line.styleClasses=null}}if(updateFrontier===cm.doc.frontier){cm.doc.frontier++}}return line.styles}function processLine(cm,text,state,startAt){var mode=cm.doc.mode;var stream=new StringStream(text,cm.options.tabSize);stream.start=stream.pos=startAt||0;if(text==""){callBlankLine(mode,state)}while(!stream.eol()&&stream.pos<=cm.options.maxHighlightLength){readToken(mode,stream,state);stream.start=stream.pos}}var styleToClassCache={},styleToClassCacheWithMode={};function interpretTokenStyle(style,options){if(!style||/^\s*$/.test(style)){return null}var cache=options.addModeClass?styleToClassCacheWithMode:styleToClassCache;return cache[style]||(cache[style]=style.replace(/\S+/g,"cm-$&"))}function buildLineContent(cm,lineView){var content=elt("span",null,null,webkit?"padding-right: .1px":null);var builder={pre:elt("pre",[content]),content:content,col:0,pos:0,cm:cm};lineView.measure={};for(var i=0;i<=(lineView.rest?lineView.rest.length:0);i++){var line=i?lineView.rest[i-1]:lineView.line,order;builder.pos=0;builder.addToken=buildToken;if((ie||webkit)&&cm.getOption("lineWrapping")){builder.addToken=buildTokenSplitSpaces(builder.addToken)}if(hasBadBidiRects(cm.display.measure)&&(order=getOrder(line))){builder.addToken=buildTokenBadBidi(builder.addToken,order)}builder.map=[];var allowFrontierUpdate=lineView!=cm.display.externalMeasured&&lineNo(line);insertLineContent(line,builder,getLineStyles(cm,line,allowFrontierUpdate));if(line.styleClasses){if(line.styleClasses.bgClass){builder.bgClass=joinClasses(line.styleClasses.bgClass,builder.bgClass||"")}if(line.styleClasses.textClass){builder.textClass=joinClasses(line.styleClasses.textClass,builder.textClass||"")}}if(builder.map.length==0){builder.map.push(0,0,builder.content.appendChild(zeroWidthElement(cm.display.measure)))}if(i==0){lineView.measure.map=builder.map;lineView.measure.cache={}}else{(lineView.measure.maps||(lineView.measure.maps=[])).push(builder.map);(lineView.measure.caches||(lineView.measure.caches=[])).push({})}}if(webkit&&/\bcm-tab\b/.test(builder.content.lastChild.className)){builder.content.className="cm-tab-wrap-hack"}signal(cm,"renderLine",cm,lineView.line,builder.pre);if(builder.pre.className){builder.textClass=joinClasses(builder.pre.className,builder.textClass||"")}return builder}function defaultSpecialCharPlaceholder(ch){var token=elt("span","\u2022","cm-invalidchar");token.title="\\u"+ch.charCodeAt(0).toString(16);token.setAttribute("aria-label",token.title);return token}function buildToken(builder,text,style,startStyle,endStyle,title,css){if(!text){return}var special=builder.cm.options.specialChars,mustWrap=false;if(!special.test(text)){builder.col+=text.length;var content=document.createTextNode(text);builder.map.push(builder.pos,builder.pos+text.length,content);if(ie&&ie_version<9){mustWrap=true}builder.pos+=text.length}else{var content=document.createDocumentFragment(),pos=0;while(true){special.lastIndex=pos;var m=special.exec(text);var skipped=m?m.index-pos:text.length-pos;if(skipped){var txt=document.createTextNode(text.slice(pos,pos+skipped));if(ie&&ie_version<9){content.appendChild(elt("span",[txt]))}else{content.appendChild(txt)}builder.map.push(builder.pos,builder.pos+skipped,txt);builder.col+=skipped;builder.pos+=skipped}if(!m){break}pos+=skipped+1;if(m[0]=="\t"){var tabSize=builder.cm.options.tabSize,tabWidth=tabSize-builder.col%tabSize;var txt=content.appendChild(elt("span",spaceStr(tabWidth),"cm-tab"));txt.setAttribute("role","presentation");txt.setAttribute("cm-text","\t");builder.col+=tabWidth}else{var txt=builder.cm.options.specialCharPlaceholder(m[0]);txt.setAttribute("cm-text",m[0]);if(ie&&ie_version<9){content.appendChild(elt("span",[txt]))}else{content.appendChild(txt)}builder.col+=1}builder.map.push(builder.pos,builder.pos+1,txt);builder.pos++}}if(style||startStyle||endStyle||mustWrap||css){var fullStyle=style||"";if(startStyle){fullStyle+=startStyle}if(endStyle){fullStyle+=endStyle}var token=elt("span",[content],fullStyle,css);if(title){token.title=title}return builder.content.appendChild(token)}builder.content.appendChild(content)}function buildTokenSplitSpaces(inner){function split(old){var out=" ";for(var i=0;i<old.length-2;++i){out+=i%2?" ":"\u00a0"}out+=" ";return out}return function(builder,text,style,startStyle,endStyle,title){inner(builder,text.replace(/ {3,}/g,split),style,startStyle,endStyle,title)
}}function buildTokenBadBidi(inner,order){return function(builder,text,style,startStyle,endStyle,title){style=style?style+" cm-force-border":"cm-force-border";var start=builder.pos,end=start+text.length;for(;;){for(var i=0;i<order.length;i++){var part=order[i];if(part.to>start&&part.from<=start){break}}if(part.to>=end){return inner(builder,text,style,startStyle,endStyle,title)}inner(builder,text.slice(0,part.to-start),style,startStyle,null,title);startStyle=null;text=text.slice(part.to-start);start=part.to}}}function buildCollapsedSpan(builder,size,marker,ignoreWidget){var widget=!ignoreWidget&&marker.widgetNode;if(widget){builder.map.push(builder.pos,builder.pos+size,widget)}if(!ignoreWidget&&builder.cm.display.input.needsContentAttribute){if(!widget){widget=builder.content.appendChild(document.createElement("span"))}widget.setAttribute("cm-marker",marker.id)}if(widget){builder.cm.display.input.setUneditable(widget);builder.content.appendChild(widget)}builder.pos+=size}function insertLineContent(line,builder,styles){var spans=line.markedSpans,allText=line.text,at=0;if(!spans){for(var i=1;i<styles.length;i+=2){builder.addToken(builder,allText.slice(at,at=styles[i]),interpretTokenStyle(styles[i+1],builder.cm.options))}return}var len=allText.length,pos=0,i=1,text="",style,css;var nextChange=0,spanStyle,spanEndStyle,spanStartStyle,title,collapsed;for(;;){if(nextChange==pos){spanStyle=spanEndStyle=spanStartStyle=title=css="";collapsed=null;nextChange=Infinity;var foundBookmarks=[];for(var j=0;j<spans.length;++j){var sp=spans[j],m=sp.marker;if(sp.from<=pos&&(sp.to==null||sp.to>pos)){if(sp.to!=null&&nextChange>sp.to){nextChange=sp.to;spanEndStyle=""}if(m.className){spanStyle+=" "+m.className}if(m.css){css=m.css}if(m.startStyle&&sp.from==pos){spanStartStyle+=" "+m.startStyle}if(m.endStyle&&sp.to==nextChange){spanEndStyle+=" "+m.endStyle}if(m.title&&!title){title=m.title}if(m.collapsed&&(!collapsed||compareCollapsedMarkers(collapsed.marker,m)<0)){collapsed=sp}}else{if(sp.from>pos&&nextChange>sp.from){nextChange=sp.from}}if(m.type=="bookmark"&&sp.from==pos&&m.widgetNode){foundBookmarks.push(m)}}if(collapsed&&(collapsed.from||0)==pos){buildCollapsedSpan(builder,(collapsed.to==null?len+1:collapsed.to)-pos,collapsed.marker,collapsed.from==null);if(collapsed.to==null){return}}if(!collapsed&&foundBookmarks.length){for(var j=0;j<foundBookmarks.length;++j){buildCollapsedSpan(builder,0,foundBookmarks[j])}}}if(pos>=len){break}var upto=Math.min(len,nextChange);while(true){if(text){var end=pos+text.length;if(!collapsed){var tokenText=end>upto?text.slice(0,upto-pos):text;builder.addToken(builder,tokenText,style?style+spanStyle:spanStyle,spanStartStyle,pos+tokenText.length==nextChange?spanEndStyle:"",title,css)}if(end>=upto){text=text.slice(upto-pos);pos=upto;break}pos=end;spanStartStyle=""}text=allText.slice(at,at=styles[i++]);style=interpretTokenStyle(styles[i++],builder.cm.options)}}}function isWholeLineUpdate(doc,change){return change.from.ch==0&&change.to.ch==0&&lst(change.text)==""&&(!doc.cm||doc.cm.options.wholeLineUpdateBefore)}function updateDoc(doc,change,markedSpans,estimateHeight){function spansFor(n){return markedSpans?markedSpans[n]:null}function update(line,text,spans){updateLine(line,text,spans,estimateHeight);signalLater(line,"change",line,change)}function linesFor(start,end){for(var i=start,result=[];i<end;++i){result.push(new Line(text[i],spansFor(i),estimateHeight))}return result}var from=change.from,to=change.to,text=change.text;var firstLine=getLine(doc,from.line),lastLine=getLine(doc,to.line);var lastText=lst(text),lastSpans=spansFor(text.length-1),nlines=to.line-from.line;if(change.full){doc.insert(0,linesFor(0,text.length));doc.remove(text.length,doc.size-text.length)}else{if(isWholeLineUpdate(doc,change)){var added=linesFor(0,text.length-1);update(lastLine,lastLine.text,lastSpans);if(nlines){doc.remove(from.line,nlines)}if(added.length){doc.insert(from.line,added)}}else{if(firstLine==lastLine){if(text.length==1){update(firstLine,firstLine.text.slice(0,from.ch)+lastText+firstLine.text.slice(to.ch),lastSpans)}else{var added=linesFor(1,text.length-1);added.push(new Line(lastText+firstLine.text.slice(to.ch),lastSpans,estimateHeight));update(firstLine,firstLine.text.slice(0,from.ch)+text[0],spansFor(0));doc.insert(from.line+1,added)}}else{if(text.length==1){update(firstLine,firstLine.text.slice(0,from.ch)+text[0]+lastLine.text.slice(to.ch),spansFor(0));doc.remove(from.line+1,nlines)}else{update(firstLine,firstLine.text.slice(0,from.ch)+text[0],spansFor(0));update(lastLine,lastText+lastLine.text.slice(to.ch),lastSpans);var added=linesFor(1,text.length-1);if(nlines>1){doc.remove(from.line+1,nlines-1)}doc.insert(from.line+1,added)}}}}signalLater(doc,"change",doc,change)}function LeafChunk(lines){this.lines=lines;this.parent=null;for(var i=0,height=0;i<lines.length;++i){lines[i].parent=this;height+=lines[i].height}this.height=height}LeafChunk.prototype={chunkSize:function(){return this.lines.length},removeInner:function(at,n){for(var i=at,e=at+n;