paper/dist/paperjs/docs/assets/js/codemirror.js

The Swiss Army Knife of Vector Graphics Scripting

window.CodeMirror=function(){"use strict";function CodeMirror(place,givenOptions){var options={},defaults=CodeMirror.defaults;for(var opt in defaults)if(defaults.hasOwnProperty(opt))options[opt]=(givenOptions&&givenOptions.hasOwnProperty(opt)?givenOptions:defaults)[opt];var input=elt("textarea",null,null,"position: absolute; padding: 0; width: 1px; height: 1em");input.setAttribute("wrap","off");input.setAttribute("autocorrect","off");input.setAttribute("autocapitalize","off");var inputDiv=elt("div",[input],null,"overflow: hidden; position: relative; width: 3px; height: 0px;");var scrollbarInner=elt("div",null,"CodeMirror-scrollbar-inner");var scrollbar=elt("div",[scrollbarInner],"CodeMirror-scrollbar");var lineDiv=elt("div"),selectionDiv=elt("div",null,null,"position: relative; z-index: -1");var cursor=elt("pre"," ","CodeMirror-cursor"),widthForcer=elt("pre"," ","CodeMirror-cursor","visibility: hidden");var measure=elt("div",null,null,"position: absolute; width: 100%; height: 0px; overflow: hidden; visibility: hidden;");var lineSpace=elt("div",[measure,cursor,widthForcer,selectionDiv,lineDiv],null,"position: relative; z-index: 0");var gutterText=elt("div",null,"CodeMirror-gutter-text"),gutter=elt("div",[gutterText],"CodeMirror-gutter");var mover=elt("div",[gutter,elt("div",[lineSpace],"CodeMirror-lines")],null,"position: relative");var sizer=elt("div",[mover],null,"position: relative");var scroller=elt("div",[sizer],"CodeMirror-scroll");scroller.setAttribute("tabIndex","-1");var wrapper=elt("div",[inputDiv,scrollbar,scroller],"CodeMirror"+(options.lineWrapping?" CodeMirror-wrap":""));if(place.appendChild)place.appendChild(wrapper);else place(wrapper);themeChanged();keyMapChanged();if(ios)input.style.width="0px";if(!webkit)scroller.draggable=true;lineSpace.style.outline="none";if(options.tabindex!=null)input.tabIndex=options.tabindex;if(options.autofocus)focusInput();if(!options.gutter&&!options.lineNumbers)gutter.style.display="none";if(khtml)inputDiv.style.height="1px",inputDiv.style.position="absolute";if(mac_geLion){scrollbar.style.zIndex=-2;scrollbar.style.visibility="hidden"}else if(ie_lt8)scrollbar.style.minWidth="18px";var poll=new Delayed,highlight=new Delayed,blinker;var mode,doc=new BranchChunk([new LeafChunk([new Line("")])]),frontier=0,focused;loadMode();var sel={from:{line:0,ch:0},to:{line:0,ch:0},inverted:false};var shiftSelecting,lastClick,lastDoubleClick,lastScrollTop=0,draggingText,overwrite=false,suppressEdits=false,pasteIncoming=false;var updateInput,userSelChange,changes,textChanged,selectionChanged,gutterDirty,callbacks;var displayOffset=0,showingFrom=0,showingTo=0,lastSizeC=0;var bracketHighlighted;var maxLine=getLine(0),updateMaxLine=false,maxLineChanged=true;var pollingFast=false;var goalColumn=null;operation(function(){setValue(options.value||"");updateInput=false})();var history=new History;connect(scroller,"mousedown",operation(onMouseDown));connect(scroller,"dblclick",operation(onDoubleClick));connect(lineSpace,"selectstart",e_preventDefault);if(!gecko)connect(scroller,"contextmenu",onContextMenu);connect(scroller,"scroll",onScrollMain);connect(scrollbar,"scroll",onScrollBar);connect(scrollbar,"mousedown",function(){if(focused)setTimeout(focusInput,0)});var resizeHandler=connect(window,"resize",function(){if(wrapper.parentNode)updateDisplay(true);else resizeHandler()},true);connect(input,"keyup",operation(onKeyUp));connect(input,"input",fastPoll);connect(input,"keydown",operation(onKeyDown));connect(input,"keypress",operation(onKeyPress));connect(input,"focus",onFocus);connect(input,"blur",onBlur);function drag_(e){if(options.onDragEvent&&options.onDragEvent(instance,addStop(e)))return;e_stop(e)}if(options.dragDrop){connect(scroller,"dragstart",onDragStart);connect(scroller,"dragenter",drag_);connect(scroller,"dragover",drag_);connect(scroller,"drop",operation(onDrop))}connect(scroller,"paste",function(){focusInput();fastPoll()});connect(input,"paste",function(){pasteIncoming=true;fastPoll()});connect(input,"cut",operation(function(){if(!options.readOnly)replaceSelection("")}));if(khtml)connect(sizer,"mouseup",function(){if(document.activeElement==input)input.blur();focusInput()});var hasFocus;try{hasFocus=document.activeElement==input}catch(e){}if(hasFocus||options.autofocus)setTimeout(onFocus,20);else onBlur();function isLine(l){return l>=0&&l<doc.size}var instance=wrapper.CodeMirror={getValue:getValue,setValue:operation(setValue),getSelection:getSelection,replaceSelection:operation(replaceSelection),focus:function(){window.focus();focusInput();onFocus();fastPoll()},setOption:function(option,value){var oldVal=options[option];options[option]=value;if(option=="mode"||option=="indentUnit")loadMode();else if(option=="readOnly"&&value=="nocursor"){onBlur();input.blur()}else if(option=="readOnly"&&!value){resetInput(true)}else if(option=="theme")themeChanged();else if(option=="lineWrapping"&&oldVal!=value)operation(wrappingChanged)();else if(option=="tabSize")updateDisplay(true);else if(option=="keyMap")keyMapChanged();else if(option=="tabindex")input.tabIndex=value;else if(option=="showCursorWhenSelecting")updateSelection();if(option=="lineNumbers"||option=="gutter"||option=="firstLineNumber"||option=="theme"||option=="lineNumberFormatter"){gutterChanged();updateDisplay(true)}},getOption:function(option){return options[option]},getMode:function(){return mode},undo:operation(undo),redo:operation(redo),indentLine:operation(function(n,dir){if(typeof dir!="string"){if(dir==null)dir=options.smartIndent?"smart":"prev";else dir=dir?"add":"subtract"}if(isLine(n))indentLine(n,dir)}),indentSelection:operation(indentSelected),historySize:function(){return{undo:history.done.length,redo:history.undone.length}},clearHistory:function(){history=new History},setHistory:function(histData){history=new History;history.done=histData.done;history.undone=histData.undone},getHistory:function(){function cp(arr){for(var i=0,nw=[],nwelt;i<arr.length;++i){nw.push(nwelt=[]);for(var j=0,elt=arr[i];j<elt.length;++j){var old=[],cur=elt[j];nwelt.push({start:cur.start,added:cur.added,old:old});for(var k=0;k<cur.old.length;++k)old.push(hlText(cur.old[k]))}}return nw}return{done:cp(history.done),undone:cp(history.undone)}},matchBrackets:operation(function(){matchBrackets(true)}),getTokenAt:operation(function(pos){pos=clipPos(pos);return getLine(pos.line).getTokenAt(mode,getStateBefore(pos.line),options.tabSize,pos.ch)}),getStateAfter:function(line){line=clipLine(line==null?doc.size-1:line);return getStateBefore(line+1)},cursorCoords:function(start,mode){if(start==null)start=sel.inverted;return this.charCoords(start?sel.from:sel.to,mode)},charCoords:function(pos,mode){pos=clipPos(pos);if(mode=="local")return localCoords(pos,false);if(mode=="div")return localCoords(pos,true);return pageCoords(pos)},coordsChar:function(coords){var off=eltOffset(lineSpace);return coordsChar(coords.x-off.left,coords.y-off.top)},defaultTextHeight:function(){return textHeight()},markText:operation(markText),setBookmark:setBookmark,findMarksAt:findMarksAt,setMarker:operation(addGutterMarker),clearMarker:operation(removeGutterMarker),setLineClass:operation(setLineClass),hideLine:operation(function(h){return setLineHidden(h,true)}),showLine:operation(function(h){return setLineHidden(h,false)}),onDeleteLine:function(line,f){if(typeof line=="number"){if(!isLine(line))return null;line=getLine(line)}(line.handlers||(line.handlers=[])).push(f);return line},lineInfo:lineInfo,getViewport:function(){return{from:showingFrom,to:showingTo}},addWidget:function(pos,node,scroll,vert,horiz){pos=localCoords(clipPos(pos));var top=pos.yBot,left=pos.x;node.style.position="absolute";sizer.appendChild(node);if(vert=="over")top=pos.y;else if(vert=="near"){var vspace=Math.max(scroller.offsetHeight,doc.height*textHeight()),hspace=Math.max(sizer.clientWidth,lineSpace.clientWidth)-paddingLeft();if(pos.yBot+node.offsetHeight>vspace&&pos.y>node.offsetHeight)top=pos.y-node.offsetHeight;if(left+node.offsetWidth>hspace)left=hspace-node.offsetWidth}node.style.top=top+paddingTop()+"px";node.style.left=node.style.right="";if(horiz=="right"){left=sizer.clientWidth-node.offsetWidth;node.style.right="0px"}else{if(horiz=="left")left=0;else if(horiz=="middle")left=(sizer.clientWidth-node.offsetWidth)/2;node.style.left=left+paddingLeft()+"px"}if(scroll)scrollIntoView(left,top,left+node.offsetWidth,top+node.offsetHeight)},lineCount:function(){return doc.size},clipPos:clipPos,getCursor:function(start){if(start==null||start=="head")start=sel.inverted;if(start=="anchor")start=!sel.inverted;if(start=="end")start=false;return copyPos(start?sel.from:sel.to)},somethingSelected:function(){return!posEq(sel.from,sel.to)},setCursor:operation(function(line,ch,user){if(ch==null&&typeof line.line=="number")setCursor(line.line,line.ch,user);else setCursor(line,ch,user)}),setSelection:operation(function(from,to,user){(user?setSelectionUser:setSelection)(clipPos(from),clipPos(to||from))}),getLine:function(line){if(isLine(line))return getLine(line).text},getLineHandle:function(line){if(isLine(line))return getLine(line)},setLine:operation(function(line,text){if(isLine(line))replaceRange(text,{line:line,ch:0},{line:line,ch:getLine(line).text.length})}),removeLine:operation(function(line){if(isLine(line))replaceRange("",{line:line,ch:0},clipPos({line:line+1,ch:0}))}),replaceRange:operation(replaceRange),getRange:function(from,to,lineSep){return getRange(clipPos(from),clipPos(to),lineSep)},triggerOnKeyDown:operation(onKeyDown),execCommand:function(cmd){return commands[cmd](instance)},moveH:operation(moveH),deleteH:operation(deleteH),moveV:operation(moveV),toggleOverwrite:function(){if(overwrite){overwrite=false;cursor.className=cursor.className.replace(" CodeMirror-overwrite","")}else{overwrite=true;cursor.className+=" CodeMirror-overwrite"}},posFromIndex:function(off){var lineNo=0,ch;doc.iter(0,doc.size,function(line){var sz=line.text.length+1;if(sz>off){ch=off;return true}off-=sz;++lineNo});return clipPos({line:lineNo,ch:ch})},indexFromPos:function(coords){if(coords.line<0||coords.ch<0)return 0;var index=coords.ch;doc.iter(0,coords.line,function(line){index+=line.text.length+1});return index},scrollTo:function(x,y){if(x!=null)scroller.scrollLeft=x;if(y!=null)scrollbar.scrollTop=scroller.scrollTop=y;updateDisplay([])},getScrollInfo:function(){return{x:scroller.scrollLeft,y:scrollbar.scrollTop,height:scrollbar.scrollHeight,width:scroller.scrollWidth}},scrollIntoView:function(pos){var coords=localCoords(pos?clipPos(pos):sel.inverted?sel.from:sel.to);scrollIntoView(coords.x,coords.y,coords.x,coords.yBot)},setSize:function(width,height){function interpret(val){val=String(val);return/^\d+$/.test(val)?val+"px":val}if(width!=null)wrapper.style.width=interpret(width);if(height!=null)scroller.style.height=interpret(height);instance.refresh()},operation:function(f){return operation(f)()},compoundChange:function(f){return compoundChange(f)},refresh:function(){updateDisplay(true,null,lastScrollTop);if(scrollbar.scrollHeight>lastScrollTop)scrollbar.scrollTop=lastScrollTop},getInputField:function(){return input},getWrapperElement:function(){return wrapper},getScrollerElement:function(){return scroller},getGutterElement:function(){return gutter}};function getLine(n){return getLineAt(doc,n)}function updateLineHeight(line,height){gutterDirty=true;var diff=height-line.height;for(var n=line;n;n=n.parent)n.height+=diff}function lineContent(line,wrapAt){if(!line.styles)line.highlight(mode,line.stateAfter=getStateBefore(lineNo(line)),options.tabSize);return line.getContent(options.tabSize,wrapAt,options.lineWrapping)}function setValue(code){var top={line:0,ch:0};updateLines(top,{line:doc.size-1,ch:getLine(doc.size-1).text.length},splitLines(code),top,top);updateInput=true}function getValue(lineSep){var text=[];doc.iter(0,doc.size,function(line){text.push(line.text)});return text.join(lineSep||"\n")}function onScrollBar(e){if(Math.abs(scrollbar.scrollTop-lastScrollTop)>1){lastScrollTop=scroller.scrollTop=scrollbar.scrollTop;updateDisplay([])}}function onScrollMain(e){if(options.fixedGutter&&gutter.style.left!=scroller.scrollLeft+"px")gutter.style.left=scroller.scrollLeft+"px";if(Math.abs(scroller.scrollTop-lastScrollTop)>1){lastScrollTop=scroller.scrollTop;if(scrollbar.scrollTop!=lastScrollTop)scrollbar.scrollTop=lastScrollTop;updateDisplay([])}if(options.onScroll)options.onScroll(instance)}function onMouseDown(e){setShift(e_prop(e,"shiftKey"));for(var n=e_target(e);n!=wrapper;n=n.parentNode)if(n.parentNode==sizer&&n!=mover)return;for(var n=e_target(e);n!=wrapper;n=n.parentNode)if(n.parentNode==gutterText){if(options.onGutterClick)options.onGutterClick(instance,indexOf(gutterText.childNodes,n)+showingFrom,e);return e_preventDefault(e)}var start=posFromMouse(e);switch(e_button(e)){case 3:if(gecko)onContextMenu(e);return;case 2:if(start)setCursor(start.line,start.ch,true);setTimeout(focusInput,20);e_preventDefault(e);return}if(!start){if(e_target(e)==scroller)e_preventDefault(e);return}if(!focused)onFocus();var now=+new Date,type="single";if(lastDoubleClick&&lastDoubleClick.time>now-400&&posEq(lastDoubleClick.pos,start)){type="triple";e_preventDefault(e);setTimeout(focusInput,20);selectLine(start.line)}else if(lastClick&&lastClick.time>now-400&&posEq(lastClick.pos,start)){type="double";lastDoubleClick={time:now,pos:start};e_preventDefault(e);var word=findWordAt(start);setSelectionUser(word.from,word.to)}else{lastClick={time:now,pos:start}}function dragEnd(e2){if(webkit)scroller.draggable=false;draggingText=false;up();drop();if(Math.abs(e.clientX-e2.clientX)+Math.abs(e.clientY-e2.clientY)<10){e_preventDefault(e2);setCursor(start.line,start.ch,true);focusInput()}}var last=start,going;if(options.dragDrop&&dragAndDrop&&!options.readOnly&&!posEq(sel.from,sel.to)&&!posLess(start,sel.from)&&!posLess(sel.to,start)&&type=="single"){if(webkit)scroller.draggable=true;var up=connect(document,"mouseup",operation(dragEnd),true);var drop=connect(scroller,"drop",operation(dragEnd),true);draggingText=true;if(scroller.dragDrop)scroller.dragDrop();return}e_preventDefault(e);if(type=="single")setCursor(start.line,start.ch,true);var startstart=sel.from,startend=sel.to;function doSelect(cur){if(type=="single"){setSelectionUser(clipPos(start),cur);return}startstart=clipPos(startstart);startend=clipPos(startend);if(type=="double"){var word=findWordAt(cur);if(posLess(cur,startstart))setSelectionUser(word.from,startend);else setSelectionUser(startstart,word.to)}else if(type=="triple"){if(posLess(cur,startstart))setSelectionUser(startend,clipPos({line:cur.line,ch:0}));else setSelectionUser(startstart,clipPos({line:cur.line+1,ch:0}))}}function extend(e){var cur=posFromMouse(e,true);if(cur&&!posEq(cur,last)){if(!focused)onFocus();last=cur;doSelect(cur);updateInput=false;var visible=visibleLines();if(cur.line>=visible.to||cur.line<visible.from)going=setTimeout(operation(function(){extend(e)}),150)}}function done(e){clearTimeout(going);var cur=posFromMouse(e);if(cur)doSelect(cur);e_preventDefault(e);focusInput();updateInput=true;move();up()}var move=connect(document,"mousemove",operation(function(e){clearTimeout(going);e_preventDefault(e);if(!ie&&!e_button(e))done(e);else extend(e)}),true);var up=connect(document,"mouseup",operation(done),true)}function onDoubleClick(e){for(var n=e_target(e);n!=wrapper;n=n.parentNode)if(n.parentNode==gutterText)return e_preventDefault(e);e_preventDefault(e)}function onDrop(e){if(options.onDragEvent&&options.onDragEvent(instance,addStop(e)))return;e_preventDefault(e);var pos=posFromMouse(e,true),files=e.dataTransfer.files;if(!pos||options.readOnly)return;if(files&&files.length&&window.FileReader&&window.File){var n=files.length,text=Array(n),read=0;var loadFile=function(file,i){var reader=new FileReader;reader.onload=function(){text[i]=reader.result;if(++read==n){pos=clipPos(pos);operation(function(){var end=replaceRange(text.join(""),pos,pos);setSelectionUser(pos,end)})()}};reader.readAsText(file)};for(var i=0;i<n;++i)loadFile(files[i],i)}else{if(draggingText&&!(posLess(pos,sel.from)||posLess(sel.to,pos)))return;try{var text=e.dataTransfer.getData("Text");if(text){compoundChange(function(){var curFrom=sel.from,curTo=sel.to;setSelectionUser(pos,pos);if(draggingText)replaceRange("",curFrom,curTo);replaceSelection(text);focusInput()})}}catch(e){}}}function onDragStart(e){var txt=getSelection();e.dataTransfer.setData("Text",txt);if(e.dataTransfer.setDragImage)e.dataTransfer.setDragImage(elt("img"),0,0)}function doHandleBinding(bound,dropShift){if(typeof bound=="string"){bound=commands[bound];if(!bound)return false}var prevShift=shiftSelecting;try{if(options.readOnly)suppressEdits=true;if(dropShift)shiftSelecting=null;bound(instance)}catch(e){if(e!=Pass)throw e;return false}finally{shiftSelecting=prevShift;suppressEdits=false}return true}var maybeTransition;function handleKeyBinding(e){var startMap=getKeyMap(options.keyMap),next=startMap.auto;clearTimeout(maybeTransition);if(next&&!isModifierKey(e))maybeTransition=setTimeout(function(){if(getKeyMap(options.keyMap)==startMap){options.keyMap=next.call?next.call(null,instance):next}},50);var name=keyNames[e_prop(e,"keyCode")],handled=false;if(name==null||e.altGraphKey)return false;if(e_prop(e,"altKey"))name="Alt-"+name;if(e_prop(e,flipCtrlCmd?"metaKey":"ctrlKey"))name="Ctrl-"+name;if(e_prop(e,flipCtrlCmd?"ctrlKey":"metaKey"))name="Cmd-"+name;var stopped=false;function stop(){stopped=true}if(e_prop(e,"shiftKey")){handled=lookupKey("Shift-"+name,options.extraKeys,options.keyMap,function(b){return doHandleBinding(b,true)},stop)||lookupKey(name,options.extraKeys,options.keyMap,function(b){if(typeof b=="string"&&/^go[A-Z]/.test(b))return doHandleBinding(b)},stop)}else{handled=lookupKey(name,options.extraKeys,options.keyMap,doHandleBinding,stop)}if(stopped)handled=false;if(handled){e_preventDefault(e);restartBlink();if(ie_lt9){e.oldKeyCode=e.keyCode;e.keyCode=0}}return handled}function handleCharBinding(e,ch){var handled=lookupKey("'"+ch+"'",options.extraKeys,options.keyMap,function(b){return doHandleBinding(b,true)});if(handled){e_preventDefault(e);restartBlink()}return handled}var lastStoppedKey=null;function onKeyDown(e){if(!focused)onFocus();if(ie&&e.keyCode==27){e.returnValue=false}if(pollingFast){if(readInput())pollingFast=false}if(options.onKeyEvent&&options.onKeyEvent(instance,addStop(e)))return;var code=e_prop(e,"keyCode");setShift(code==16||e_prop(e,"shiftKey"));var handled=handleKeyBinding(e);if(opera){lastStoppedKey=handled?code:null;if(!handled&&code==88&&e_prop(e,mac?"metaKey":"ctrlKey"))replaceSelection("")}}function onKeyPress(e){if(pollingFast)readInput();if(options.onKeyEvent&&options.onKeyEvent(instance,addStop(e)))return;var keyCode=e_prop(e,"keyCode"),charCode=e_prop(e,"charCode");if(opera&&keyCode==lastStoppedKey){lastStoppedKey=null;e_preventDefault(e);return}if((opera&&(!e.which||e.which<10)||khtml)&&handleKeyBinding(e))return;var ch=String.fromCharCode(charCode==null?keyCode:charCode);if(options.electricChars&&mode.electricChars&&options.smartIndent&&!options.readOnly){if(mode.electricChars.indexOf(ch)>-1)setTimeout(operation(function(){indentLine(sel.to.line,"smart")}),75)}if(handleCharBinding(e,ch))return;fastPoll()}function onKeyUp(e){if(options.onKeyEvent&&options.onKeyEvent(instance,addStop(e)))return;if(e_prop(e,"keyCode")==16)shiftSelecting=null}function onFocus(){if(options.readOnly=="nocursor")return;if(!focused){if(options.onFocus)options.onFocus(instance);focused=true;if(scroller.className.search(/\bCodeMirror-focused\b/)==-1)scroller.className+=" CodeMirror-focused"}slowPoll();restartBlink()}function onBlur(){if(focused){if(options.onBlur)options.onBlur(instance);focused=false;if(bracketHighlighted)operation(function(){if(bracketHighlighted){bracketHighlighted();bracketHighlighted=null}})();scroller.className=scroller.className.replace(" CodeMirror-focused","")}clearInterval(blinker);setTimeout(function(){if(!focused)shiftSelecting=null},150)}function updateLines(from,to,newText,selFrom,selTo){if(suppressEdits)return;var old=[];doc.iter(from.line,to.line+1,function(line){old.push(newHL(line.text,line.markedSpans))});if(history){history.addChange(from.line,newText.length,old);while(history.done.length>options.undoDepth)history.done.shift()}var lines=updateMarkedSpans(hlSpans(old[0]),hlSpans(lst(old)),from.ch,to.ch,newText);updateLinesNoUndo(from,to,lines,selFrom,selTo)}function unredoHelper(from,to){if(!from.length)return;var set=from.pop(),out=[];for(var i=set.length-1;i>=0;i-=1){var change=set[i];var replaced=[],end=change.start+change.added;doc.iter(change.start,end,function(line){replaced.push(newHL(line.text,line.markedSpans))});out.push({start:change.start,added:change.old.length,old:replaced});var pos={line:change.start+change.old.length-1,ch:editEnd(hlText(lst(replaced)),hlText(lst(change.old)))};updateLinesNoUndo({line:change.start,ch:0},{line:end-1,ch:getLine(end-1).text.length},change.old,pos,pos)}updateInput=true;to.push(out)}function undo(){unredoHelper(history.done,history.undone)}function redo(){unredoHelper(history.undone,history.done)}function updateLinesNoUndo(from,to,lines,selFrom,selTo){if(suppressEdits)return;var recomputeMaxLength=false,maxLineLength=maxLine.text.length;if(!options.lineWrapping)doc.iter(from.line,to.line+1,function(line){if(!line.hidden&&line.text.length==maxLineLength){recomputeMaxLength=true;return true}});if(from.line!=to.line||lines.length>1)gutterDirty=true;var nlines=to.line-from.line,firstLine=getLine(from.line),lastLine=getLine(to.line);var lastHL=lst(lines);if(from.ch==0&&to.ch==0&&hlText(lastHL)==""){var added=[],prevLine=null;for(var i=0,e=lines.length-1;i<e;++i)added.push(new Line(hlText(lines[i]),hlSpans(lines[i])));lastLine.update(lastLine.text,hlSpans(lastHL));if(nlines)doc.remove(from.line,nlines,callbacks);if(added.length)doc.insert(from.line,added)}else if(firstLine==lastLine){if(lines.length==1){firstLine.update(firstLine.text.slice(0,from.ch)+hlText(lines[0])+firstLine.text.slice(to.ch),hlSpans(lines[0]))}else{for(var added=[],i=1,e=lines.length-1;i<e;++i)added.push(new Line(hlText(lines[i]),hlSpans(lines[i])));added.push(new Line(hlText(lastHL)+firstLine.text.slice(to.ch),hlSpans(lastHL)));firstLine.update(firstLine.text.slice(0,from.ch)+hlText(lines[0]),hlSpans(lines[0]));doc.insert(from.line+1,added)}}else if(lines.length==1){firstLine.update(firstLine.text.slice(0,from.ch)+hlText(lines[0])+lastLine.text.slice(to.ch),hlSpans(lines[0]));doc.remove(from.line+1,nlines,callbacks)}else{var added=[];firstLine.update(firstLine.text.slice(0,from.ch)+hlText(lines[0]),hlSpans(lines[0]));lastLine.update(hlText(lastHL)+lastLine.text.slice(to.ch),hlSpans(lastHL));for(var i=1,e=lines.length-1;i<e;++i)added.push(new Line(hlText(lines[i]),hlSpans(lines[i])));if(nlines>1)doc.remove(from.line+1,nlines-1,callbacks);doc.insert(from.line+1,added)}if(options.lineWrapping){var perLine=Math.max(5,scroller.clientWidth/charWidth()-3);doc.iter(from.line,from.line+lines.length,function(line){if(line.hidden)return;var guess=Math.ceil(line.text.length/perLine)||1;if(guess!=line.height)updateLineHeight(line,guess)})}else{doc.iter(from.line,from.line+lines.length,function(line){var l=line.text;if(!line.hidden&&l.length>maxLineLength){maxLine=line;maxLineLength=l.length;maxLineChanged=true;recomputeMaxLength=false}});if(recomputeMaxLength)updateMaxLine=true}frontier=Math.min(frontier,from.line);startWorker(400);var lendiff=lines.length-nlines-1;changes.push({from:from.line,to:to.line+1,diff:lendiff});if(options.onChange){for(var i=0;i<lines.length;++i)if(typeof lines[i]!="string")lines[i]=lines[i].text;var changeObj={from:from,to:to,text:lines};if(textChanged){for(var cur=textChanged;cur.next;cur=cur.next){}cur.next=changeObj}else textChanged=changeObj}function updateLine(n){return n<=Math.min(to.line,to.line+lendiff)?n:n+lendiff}setSelection(clipPos(selFrom),clipPos(selTo),updateLine(sel.from.line),updateLine(sel.to.line))}function needsScrollbar(){var realHeight=doc.height*textHeight()+2*paddingTop();return realHeight*.99>scroller.offsetHeight?realHeight:false}function updateVerticalScroll(scrollTop){var scrollHeight=needsScrollbar();scrollbar.style.display=scrollHeight?"block":"none";if(scrollHeight){scrollbarInner.style.height=sizer.style.minHeight=scrollHeight+"px";scrollbar.style.height=scroller.clientHeight+"px";if(scrollTop!=null){scrollbar.scrollTop=scroller.scrollTop=scrollTop;if(webkit)setTimeout(function(){if(scrollbar.scrollTop!=scrollTop)return;scrollbar.scrollTop=scrollTop+(scrollTop?-1:1);scrollbar.scrollTop=scrollTop},0)}}else{sizer.style.minHeight=""}mover.style.top=displayOffset*textHeight()+"px"}function computeMaxLength(){maxLine=getLine(0);maxLineChanged=true;var maxLineLength=maxLine.text.length;doc.iter(1,doc.size,function(line){var l=line.text;if(!line.hidden&&l.length>maxLineLength){maxLineLength=l.length;maxLine=line}});updateMaxLine=false}function replaceRange(code,from,to){from=clipPos(from);if(!to)to=from;else to=clipPos(to);code=splitLines(code);function adjustPos(pos){if(posLess(pos,from))return pos;if(!posLess(to,pos))return end;var line=pos.line+code.length-(to.line-from.line)-1;var ch=pos.ch;if(pos.line==to.line)ch+=lst(code).length-(to.ch-(to.line==from.line?from.ch:0));return{line:line,ch:ch}}var end;replaceRange1(code,from,to,function(end1){end=end1;return{from:adjustPos(sel.from),to:adjustPos(sel.to)}});return end}function replaceSelection(code,collapse){replaceRange1(splitLines(code),sel.from,sel.to,function(end){if(collapse=="end")return{from:end,to:end};else if(collapse=="start")return{from:sel.from,to:sel.from};else return{from:sel.from,to:end}})}function replaceRange1(code,from,to,computeSel){var endch=code.length==1?code[0].length+from.ch:lst(code).length;var newSel=computeSel({line:from.line+code.length-1,ch:endch});updateLines(from,to,code,newSel.from,newSel.to)}function getRange(from,to,lineSep){var l1=from.line,l2=to.line;if(l1==l2)return getLine(l1).text.slice(from.ch,to.ch);var code=[getLine(l1).text.slice(from.ch)];doc.iter(l1+1,l2,function(line){code.push(line.text)});code.push(getLine(l2).text.slice(0,to.ch));return code.join(lineSep||"\n")}function getSelection(lineSep){return getRange(sel.from,sel.to,lineSep)}function slowPoll(){if(pollingFast)return;poll.set(options.pollInterval,function(){readInput();if(focused)slowPoll()})}function fastPoll(){var missed=false;pollingFast=true;function p(){var changed=readInput();if(!changed&&!missed){missed=true;poll.set(60,p)}else{pollingFast=false;slowPoll()}}poll.set(20,p)}var prevInput="";function readInput(){if(!focused||hasSelection(input)||options.readOnly)return false;var text=input.value;if(text==prevInput)return false;if(!nestedOperation)startOperation();shiftSelecting=null;var same=0,l=Math.min(prevInput.length,text.length);while(same<l&&prevInput[same]==text[same])++same;if(same<prevInput.length)sel.from={line:sel.from.line,ch:sel.from.ch-(prevInput.length-same)};else if(overwrite&&posEq(sel.from,sel.to)&&!pasteIncoming)sel.to={line:sel.to.line,ch:Math.min(getLine(sel.to.line).text.length,sel.to.ch+(text.length-same))};replaceSelection(text.slice(same),"end");if(text.length>1e3){input.value=prevInput=""}else prevInput=text;if(!nestedOperation)endOperation();pasteIncoming=false;return true}function resetInput(user){if(!posEq(sel.from,sel.to)){prevInput="";input.value=getSelection();if(focused)selectInput(input)}else if(user)prevInput=input.value=""}function focusInput(){if(options.readOnly!="nocursor"&&(ie_lt9||document.activeElement!=input))input.focus()}function scrollCursorIntoView(){var coords=calculateCursorCoords();scrollIntoView(coords.x,coords.y,coords.x,coords.yBot);if(!focused)return;var box=sizer.getBoundingClientRect(),doScroll=null;if(coords.y+box.top<0)doScroll=true;else if(coords.y+box.top+textHeight()>(window.innerHeight||document.documentElement.clientHeight))doScroll=false;if(doScroll!=null){var hidden=cursor.style.display=="none";if(hidden){cursor.style.display="";cursor.style.left=coords.x+"px";cursor.style.top=coords.y-displayOffset+"px"}cursor.scrollIntoView(doScroll);if(hidden)cursor.style.display="none"}}function calculateCursorCoords(){var cursor=localCoords(sel.inverted?sel.from:sel.to);var x=options.lineWrapping?Math.min(cursor.x,lineSpace.offsetWidth):cursor.x;return{x:x,y:cursor.y,yBot:cursor.yBot}}function scrollIntoView(x1,y1,x2,y2){var scrollPos=calculateScrollPos(x1,y1,x2,y2);if(scrollPos.scrollLeft!=null){scroller.scrollLeft=scrollPos.scrollLeft}if(scrollPos.scrollTop!=null){scrollbar.scrollTop=scroller.scrollTop=scrollPos.scrollTop}}function calculateScrollPos(x1,y1,x2,y2){var pl=paddingLeft(),pt=paddingTop();y1+=pt;y2+=pt;x1+=pl;x2+=pl;var screen=scroller.clientHeight,screentop=scrollbar.scrollTop,result={};var docBottom=needsScrollbar()||Infinity;var atTop=y1<pt+10,atBottom=y2+pt>docBottom-10;if(y1<screentop)result.scrollTop=atTop?0:Math.max(0,y1);else if(y2>screentop+screen)result.scrollTop=(atBottom?docBottom:y2)-screen;var screenw=scroller.clientWidth,screenleft=scroller.scrollLeft;var gutterw=options.fixedGutter?gutter.clientWidth:0;var atLeft=x1<gutterw+pl+10;if(x1<screenleft+gutterw||atLeft){if(atLeft)x1=0;result.scrollLeft=Math.max(0,x1-10-gutterw)}else if(x2>screenw+screenleft-3){result.scrollLeft=x2+10-screenw}return result}function visibleLines(scrollTop){var lh=textHeight(),top=(scrollTop!=null?scrollTop:scrollbar.scrollTop)-paddingTop();var fromHeight=Math.max(0,Math.floor(top/lh));var toHeight=Math.ceil((top+scroller.clientHeight)/lh);return{from:lineAtHeight(doc,fromHeight),to:lineAtHeight(doc,toHeight)}}function updateDisplay(changes,suppressCallback,scrollTop){if(!scroller.clientWidth){showingFrom=showingTo=displayOffset=0;return}var visible=visibleLines(scrollTop);if(changes!==true&&changes.length==0&&visible.from>showingFrom&&visible.to<showingTo){updateVerticalScroll(scrollTop);return}var from=Math.max(visible.from-100,0),to=Math.min(doc.size,visible.to+100);if(showingFrom<from&&from-showingFrom<20)from=showingFrom;if(showingTo>to&&showingTo-to<20)to=Math.min(doc.size,showingTo);var intact=changes===true?[]:computeIntact([{from:showingFrom,to:showingTo,domStart:0}],changes);var intactLines=0;for(var i=0;i<intact.length;++i){var range=intact[i];if(range.from<from){range.domStart+=from-range.from;range.from=from}if(range.to>to)range.to=to;if(range.from>=range.to)intact.splice(i--,1);else intactLines+=range.to-range.from}if(intactLines==to-from&&from==showingFrom&&to==showingTo){updateVerticalScroll(scrollTop);return}intact.sort(function(a,b){return a.domStart-b.domStart});var th=textHeight(),gutterDisplay=gutter.style.display;lineDiv.style.display="none";patchDisplay(from,to,intact);lineDiv.style.display=gutter.style.display="";var different=from!=showingFrom||to!=showingTo||lastSizeC!=scroller.clientHeight+th;if(different)lastSizeC=scroller.clientHeight+th;if(from!=showingFrom||to!=showingTo&&options.onViewportChange)setTimeout(function(){if(options.onViewportChange)options.onViewportChange(instance,from,to)});showingFrom=from;showingTo=to;displayOffset=heightAtLine(doc,from);startWorker(100);if(lineDiv.childNodes.length!=showingTo-showingFrom)throw new Error("BAD PATCH! "+JSON.stringify(intact)+" size="+(showingTo-showingFrom)+" nodes="+lineDiv.childNodes.length);function checkHeights(){var curNode=lineDiv.firstChild,heightChanged=false;doc.iter(showingFrom,showingTo,function(line){if(!curNode)return;if(!line.hidden){var height=Math.round(curNode.offsetHeight/th)||1;if(line.height!=height){updateLineHeight(line,height);gutterDirty=heightChanged=true}}curNode=curNode.nextSibling});return heightChanged}if(options.lineWrapping)checkHeights();gutter.style.display=gutterDisplay;if(different||gutterDirty){updateGutter()&&options.lineWrapping&&checkHeights()&&updateGutter()}updateVerticalScroll(scrollTop);updateSelection();if(!suppressCallback&&options.onUpdate)options.onUpdate(instance);return true}function computeIntact(intact,changes){for(var i=0,l=changes.length||0;i<l;++i){var change=changes[i],intact2=[],diff=change.diff||0;
for(var j=0,l2=intact.length;j<l2;++j){var range=intact[j];if(change.to<=range.from&&change.diff)intact2.push({from:range.from+diff,to:range.to+diff,domStart:range.domStart});else if(change.to<=range.from||change.from>=range.to)intact2.push(range);else{if(change.from>range.from)intact2.push({from:range.from,to:change.from,domStart:range.domStart});if(change.to<range.to)intact2.push({from:change.to+diff,to:range.to+diff,domStart:range.domStart+(change.to-range.from)})}}intact=intact2}return intact}function patchDisplay(from,to,intact){function killNode(node){var tmp=node.nextSibling;node.parentNode.removeChild(node);return tmp}if(!intact.length)removeChildren(lineDiv);else{var domPos=0,curNode=lineDiv.firstChild,n;for(var i=0;i<intact.length;++i){var cur=intact[i];while(cur.domStart>domPos){curNode=killNode(curNode);domPos++}for(var j=0,e=cur.to-cur.from;j<e;++j){curNode=curNode.nextSibling;domPos++}}while(curNode)curNode=killNode(curNode)}var nextIntact=intact.shift(),curNode=lineDiv.firstChild,j=from;doc.iter(from,to,function(line){if(nextIntact&&nextIntact.to==j)nextIntact=intact.shift();if(!nextIntact||nextIntact.from>j){if(line.hidden)var lineElement=elt("pre");else{var lineElement=lineContent(line);if(line.className)lineElement.className=line.className;if(line.bgClassName){var pre=elt("pre"," ",line.bgClassName,"position: absolute; left: 0; right: 0; top: 0; bottom: 0; z-index: -2");lineElement=elt("div",[pre,lineElement],null,"position: relative")}}lineDiv.insertBefore(lineElement,curNode)}else{curNode=curNode.nextSibling}++j})}function updateGutter(){if(!options.gutter&&!options.lineNumbers)return;var hText=mover.offsetHeight,hEditor=scroller.clientHeight;gutter.style.height=(hText-hEditor<2?hEditor:hText)+"px";var fragment=document.createDocumentFragment(),i=showingFrom,normalNode;doc.iter(showingFrom,Math.max(showingTo,showingFrom+1),function(line){if(line.hidden){fragment.appendChild(elt("pre"))}else{var marker=line.gutterMarker;var text=options.lineNumbers?options.lineNumberFormatter(i+options.firstLineNumber):null;if(marker&&marker.text)text=marker.text.replace("%N%",text!=null?text:"");else if(text==null)text=" ";var markerElement=fragment.appendChild(elt("pre",null,marker&&marker.style));markerElement.innerHTML=text;for(var j=1;j<line.height;++j){markerElement.appendChild(elt("br"));markerElement.appendChild(document.createTextNode(" "))}if(!marker)normalNode=i}++i});gutter.style.display="none";removeChildrenAndAdd(gutterText,fragment);if(normalNode!=null&&options.lineNumbers){var node=gutterText.childNodes[normalNode-showingFrom];var minwidth=String(doc.size).length,val=eltText(node.firstChild),pad="";while(val.length+pad.length<minwidth)pad+=" ";if(pad)node.insertBefore(document.createTextNode(pad),node.firstChild)}gutter.style.display="";var resized=Math.abs((parseInt(lineSpace.style.marginLeft)||0)-gutter.offsetWidth)>2;lineSpace.style.marginLeft=gutter.offsetWidth+"px";gutterDirty=false;return resized}function updateSelection(){var collapsed=posEq(sel.from,sel.to);var fromPos=localCoords(sel.from,true);var toPos=collapsed?fromPos:localCoords(sel.to,true);var headPos=sel.inverted?fromPos:toPos,th=textHeight();var wrapOff=eltOffset(wrapper),lineOff=eltOffset(lineDiv);inputDiv.style.top=Math.max(0,Math.min(scroller.offsetHeight,headPos.y+lineOff.top-wrapOff.top))+"px";inputDiv.style.left=Math.max(0,Math.min(scroller.offsetWidth,headPos.x+lineOff.left-wrapOff.left))+"px";if(collapsed||options.showCursorWhenSelecting){cursor.style.top=headPos.y+"px";cursor.style.left=(options.lineWrapping?Math.min(headPos.x,lineSpace.offsetWidth):headPos.x)+"px";cursor.style.display=""}else{cursor.style.display="none"}if(!collapsed){var sameLine=fromPos.y==toPos.y,fragment=document.createDocumentFragment();var clientWidth=lineSpace.clientWidth||lineSpace.offsetWidth;var clientHeight=lineSpace.clientHeight||lineSpace.offsetHeight;var add=function(left,top,right,height){var rstyle=quirksMode?"width: "+(!right?clientWidth:clientWidth-right-left)+"px":"right: "+(right-1)+"px";fragment.appendChild(elt("div",null,"CodeMirror-selected","position: absolute; left: "+left+"px; top: "+top+"px; "+rstyle+"; height: "+height+"px"))};if(sel.from.ch&&fromPos.y>=0){var right=sameLine?clientWidth-toPos.x:0;add(fromPos.x,fromPos.y,right,th)}var middleStart=Math.max(0,fromPos.y+(sel.from.ch?th:0));var middleHeight=Math.min(toPos.y,clientHeight)-middleStart;if(middleHeight>.2*th)add(0,middleStart,0,middleHeight);if((!sameLine||!sel.from.ch)&&toPos.y<clientHeight-.5*th)add(0,toPos.y,clientWidth-toPos.x,th);removeChildrenAndAdd(selectionDiv,fragment);selectionDiv.style.display=""}else{selectionDiv.style.display="none"}}function setShift(val){if(val)shiftSelecting=shiftSelecting||(sel.inverted?sel.to:sel.from);else shiftSelecting=null}function setSelectionUser(from,to){var sh=shiftSelecting&&clipPos(shiftSelecting);if(sh){if(posLess(sh,from))from=sh;else if(posLess(to,sh))to=sh}setSelection(from,to);userSelChange=true}function setSelection(from,to,oldFrom,oldTo){goalColumn=null;if(oldFrom==null){oldFrom=sel.from.line;oldTo=sel.to.line}if(posEq(sel.from,from)&&posEq(sel.to,to))return;if(posLess(to,from)){var tmp=to;to=from;from=tmp}if(from.line!=oldFrom){var from1=skipHidden(from,oldFrom,sel.from.ch);if(!from1)setLineHidden(from.line,false);else from=from1}if(to.line!=oldTo)to=skipHidden(to,oldTo,sel.to.ch);if(posEq(from,to))sel.inverted=false;else if(posEq(from,sel.to))sel.inverted=false;else if(posEq(to,sel.from))sel.inverted=true;if(options.autoClearEmptyLines&&posEq(sel.from,sel.to)){var head=sel.inverted?from:to;if(head.line!=sel.from.line&&sel.from.line<doc.size){var oldLine=getLine(sel.from.line);if(/^\s+$/.test(oldLine.text))setTimeout(operation(function(){if(oldLine.parent&&/^\s+$/.test(oldLine.text)){var no=lineNo(oldLine);replaceRange("",{line:no,ch:0},{line:no,ch:oldLine.text.length})}},10))}}sel.from=from;sel.to=to;selectionChanged=true}function skipHidden(pos,oldLine,oldCh){function getNonHidden(dir){var lNo=pos.line+dir,end=dir==1?doc.size:-1;while(lNo!=end){var line=getLine(lNo);if(!line.hidden){var ch=pos.ch;if(toEnd||ch>oldCh||ch>line.text.length)ch=line.text.length;return{line:lNo,ch:ch}}lNo+=dir}}var line=getLine(pos.line);var toEnd=pos.ch==line.text.length&&pos.ch!=oldCh;if(!line.hidden)return pos;if(pos.line>=oldLine)return getNonHidden(1)||getNonHidden(-1);else return getNonHidden(-1)||getNonHidden(1)}function setCursor(line,ch,user){var pos=clipPos({line:line,ch:ch||0});(user?setSelectionUser:setSelection)(pos,pos)}function clipLine(n){return Math.max(0,Math.min(n,doc.size-1))}function clipPos(pos){if(pos.line<0)return{line:0,ch:0};if(pos.line>=doc.size)return{line:doc.size-1,ch:getLine(doc.size-1).text.length};var ch=pos.ch,linelen=getLine(pos.line).text.length;if(ch==null||ch>linelen)return{line:pos.line,ch:linelen};else if(ch<0)return{line:pos.line,ch:0};else return pos}function findPosH(dir,unit){var end=sel.inverted?sel.from:sel.to,line=end.line,ch=end.ch;var lineObj=getLine(line);function findNextLine(){for(var l=line+dir,e=dir<0?-1:doc.size;l!=e;l+=dir){var lo=getLine(l);if(!lo.hidden){line=l;lineObj=lo;return true}}}function moveOnce(boundToLine){if(ch==(dir<0?0:lineObj.text.length)){if(!boundToLine&&findNextLine())ch=dir<0?lineObj.text.length:0;else return false}else ch+=dir;return true}if(unit=="char")moveOnce();else if(unit=="column")moveOnce(true);else if(unit=="word"){var sawWord=false;for(;;){if(dir<0)if(!moveOnce())break;if(isWordChar(lineObj.text.charAt(ch)))sawWord=true;else if(sawWord){if(dir<0){dir=1;moveOnce()}break}if(dir>0)if(!moveOnce())break}}return{line:line,ch:ch}}function moveH(dir,unit){var pos=dir<0?sel.from:sel.to;if(shiftSelecting||posEq(sel.from,sel.to))pos=findPosH(dir,unit);setCursor(pos.line,pos.ch,true)}function deleteH(dir,unit){if(!posEq(sel.from,sel.to))replaceRange("",sel.from,sel.to);else if(dir<0)replaceRange("",findPosH(dir,unit),sel.to);else replaceRange("",sel.from,findPosH(dir,unit));userSelChange=true}function moveV(dir,unit){var dist=0,pos=localCoords(sel.inverted?sel.from:sel.to,true);if(goalColumn!=null)pos.x=goalColumn;if(unit=="page"){var screen=Math.min(scroller.clientHeight,window.innerHeight||document.documentElement.clientHeight);var target=coordsChar(pos.x,pos.y+screen*dir)}else if(unit=="line"){var th=textHeight();var target=coordsChar(pos.x,pos.y+.5*th+dir*th)}if(unit=="page")scrollbar.scrollTop+=localCoords(target,true).y-pos.y;setCursor(target.line,target.ch,true);goalColumn=pos.x}function findWordAt(pos){var line=getLine(pos.line).text;var start=pos.ch,end=pos.ch;if(line){if(pos.after===false||end==line.length)--start;else++end;var startChar=line.charAt(start);var check=isWordChar(startChar)?isWordChar:/\s/.test(startChar)?function(ch){return/\s/.test(ch)}:function(ch){return!/\s/.test(ch)&&isWordChar(ch)};while(start>0&&check(line.charAt(start-1)))--start;while(end<line.length&&check(line.charAt(end)))++end}return{from:{line:pos.line,ch:start},to:{line:pos.line,ch:end}}}function selectLine(line){setSelectionUser({line:line,ch:0},clipPos({line:line+1,ch:0}))}function indentSelected(mode){if(posEq(sel.from,sel.to))return indentLine(sel.from.line,mode);var e=sel.to.line-(sel.to.ch?0:1);for(var i=sel.from.line;i<=e;++i)indentLine(i,mode)}function indentLine(n,how){if(!how)how="add";if(how=="smart"){if(!mode.indent)how="prev";else var state=getStateBefore(n)}var line=getLine(n),curSpace=line.indentation(options.tabSize),curSpaceString=line.text.match(/^\s*/)[0],indentation;if(how=="smart"){indentation=mode.indent(state,line.text.slice(curSpaceString.length),line.text);if(indentation==Pass)how="prev"}if(how=="prev"){if(n)indentation=getLine(n-1).indentation(options.tabSize);else indentation=0}else if(how=="add")indentation=curSpace+options.indentUnit;else if(how=="subtract")indentation=curSpace-options.indentUnit;indentation=Math.max(0,indentation);var diff=indentation-curSpace;var indentString="",pos=0;if(options.indentWithTabs)for(var i=Math.floor(indentation/options.tabSize);i;--i){pos+=options.tabSize;indentString+="	"}if(pos<indentation)indentString+=spaceStr(indentation-pos);if(indentString!=curSpaceString)replaceRange(indentString,{line:n,ch:0},{line:n,ch:curSpaceString.length});line.stateAfter=null}function loadMode(){mode=CodeMirror.getMode(options,options.mode);doc.iter(0,doc.size,function(line){line.stateAfter=null});frontier=0;startWorker(100)}function gutterChanged(){var visible=options.gutter||options.lineNumbers;gutter.style.display=visible?"":"none";if(visible)gutterDirty=true;else lineDiv.parentNode.style.marginLeft=0}function wrappingChanged(from,to){if(options.lineWrapping){wrapper.className+=" CodeMirror-wrap";var perLine=scroller.clientWidth/charWidth()-3;doc.iter(0,doc.size,function(line){if(line.hidden)return;var guess=Math.ceil(line.text.length/perLine)||1;if(guess!=1)updateLineHeight(line,guess)});lineSpace.style.minWidth=widthForcer.style.left=""}else{wrapper.className=wrapper.className.replace(" CodeMirror-wrap","");computeMaxLength();doc.iter(0,doc.size,function(line){if(line.height!=1&&!line.hidden)updateLineHeight(line,1)})}changes.push({from:0,to:doc.size})}function themeChanged(){scroller.className=scroller.className.replace(/\s*cm-s-\S+/g,"")+options.theme.replace(/(^|\s)\s*/g," cm-s-")}function keyMapChanged(){var style=keyMap[options.keyMap].style;wrapper.className=wrapper.className.replace(/\s*cm-keymap-\S+/g,"")+(style?" cm-keymap-"+style:"")}function TextMarker(type,style){this.lines=[];this.type=type;if(style)this.style=style}TextMarker.prototype.clear=operation(function(){var min,max;for(var i=0;i<this.lines.length;++i){var line=this.lines[i];var span=getMarkedSpanFor(line.markedSpans,this);if(span.from!=null)min=lineNo(line);if(span.to!=null)max=lineNo(line);line.markedSpans=removeMarkedSpan(line.markedSpans,span)}if(min!=null)changes.push({from:min,to:max+1});this.lines.length=0;this.explicitlyCleared=true});TextMarker.prototype.find=function(){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||span.to!=null){var found=lineNo(line);if(span.from!=null)from={line:found,ch:span.from};if(span.to!=null)to={line:found,ch:span.to}}}if(this.type=="bookmark")return from;return from&&{from:from,to:to}};function markText(from,to,className,options){from=clipPos(from);to=clipPos(to);var marker=new TextMarker("range",className);if(options)for(var opt in options)if(options.hasOwnProperty(opt))marker[opt]=options[opt];var curLine=from.line;doc.iter(curLine,to.line+1,function(line){var span={from:curLine==from.line?from.ch:null,to:curLine==to.line?to.ch:null,marker:marker};line.markedSpans=(line.markedSpans||[]).concat([span]);marker.lines.push(line);++curLine});changes.push({from:from.line,to:to.line+1});return marker}function setBookmark(pos){pos=clipPos(pos);var marker=new TextMarker("bookmark"),line=getLine(pos.line);history.addChange(pos.line,1,[newHL(line.text,line.markedSpans)],true);var span={from:pos.ch,to:pos.ch,marker:marker};line.markedSpans=(line.markedSpans||[]).concat([span]);marker.lines.push(line);return marker}function findMarksAt(pos){pos=clipPos(pos);var markers=[],spans=getLine(pos.line).markedSpans;if(spans)for(var i=0;i<spans.length;++i){var span=spans[i];if((span.from==null||span.from<=pos.ch)&&(span.to==null||span.to>=pos.ch))markers.push(span.marker)}return markers}function addGutterMarker(line,text,className){if(typeof line=="number")line=getLine(clipLine(line));line.gutterMarker={text:text,style:className};gutterDirty=true;return line}function removeGutterMarker(line){if(typeof line=="number")line=getLine(clipLine(line));line.gutterMarker=null;gutterDirty=true}function changeLine(handle,op){var no=handle,line=handle;if(typeof handle=="number")line=getLine(clipLine(handle));else no=lineNo(handle);if(no==null)return null;if(op(line,no))changes.push({from:no,to:no+1});else return null;return line}function setLineClass(handle,className,bgClassName){return changeLine(handle,function(line){if(line.className!=className||line.bgClassName!=bgClassName){line.className=className;line.bgClassName=bgClassName;return true}})}function setLineHidden(handle,hidden){return changeLine(handle,function(line,no){if(line.hidden!=hidden){line.hidden=hidden;if(!options.lineWrapping){if(hidden&&line.text.length==maxLine.text.length){updateMaxLine=true}else if(!hidden&&line.text.length>maxLine.text.length){maxLine=line;updateMaxLine=false}}updateLineHeight(line,hidden?0:1);var fline=sel.from.line,tline=sel.to.line;if(hidden&&(fline==no||tline==no)){var from=fline==no?skipHidden({line:fline,ch:0},fline,0):sel.from;var to=tline==no?skipHidden({line:tline,ch:0},tline,0):sel.to;if(!to)return;setSelection(from,to)}return gutterDirty=true}})}function lineInfo(line){if(typeof line=="number"){if(!isLine(line))return null;var n=line;line=getLine(line);if(!line)return null}else{var n=lineNo(line);if(n==null)return null}var marker=line.gutterMarker;return{line:n,handle:line,text:line.text,markerText:marker&&marker.text,markerClass:marker&&marker.style,lineClass:line.className,bgClass:line.bgClassName}}function measureLine(line,ch){if(ch==0)return{top:0,left:0};var pre=lineContent(line,ch);removeChildrenAndAdd(measure,pre);var anchor=pre.anchor;var top=anchor.offsetTop,left=anchor.offsetLeft;if(ie&&top==0&&left==0){var backup=elt("span","x");anchor.parentNode.insertBefore(backup,anchor.nextSibling);top=backup.offsetTop}return{top:top,left:left}}function localCoords(pos,inLineWrap){var x,lh=textHeight(),y=lh*(heightAtLine(doc,pos.line)-(inLineWrap?displayOffset:0));if(pos.ch==0)x=0;else{var sp=measureLine(getLine(pos.line),pos.ch);x=sp.left;if(options.lineWrapping)y+=Math.max(0,sp.top)}return{x:x,y:y,yBot:y+lh}}function coordsChar(x,y){var th=textHeight(),cw=charWidth(),heightPos=displayOffset+Math.floor(y/th);if(heightPos<0)return{line:0,ch:0};var lineNo=lineAtHeight(doc,heightPos);if(lineNo>=doc.size)return{line:doc.size-1,ch:getLine(doc.size-1).text.length};var lineObj=getLine(lineNo),text=lineObj.text;var tw=options.lineWrapping,innerOff=tw?heightPos-heightAtLine(doc,lineNo):0;if(x<=0&&innerOff==0)return{line:lineNo,ch:0};var wrongLine=false;function getX(len){var sp=measureLine(lineObj,len);if(tw){var off=Math.round(sp.top/th);wrongLine=off!=innerOff;return Math.max(0,sp.left+(off-innerOff)*scroller.clientWidth)}return sp.left}var from=0,fromX=0,to=text.length,toX;var estimated=Math.min(to,Math.ceil((x+innerOff*scroller.clientWidth*.9)/cw));for(;;){var estX=getX(estimated);if(estX<=x&&estimated<to)estimated=Math.min(to,Math.ceil(estimated*1.2));else{toX=estX;to=estimated;break}}if(x>toX)return{line:lineNo,ch:to};estimated=Math.floor(to*.8);estX=getX(estimated);if(estX<x){from=estimated;fromX=estX}for(;;){if(to-from<=1){var after=x-fromX<toX-x;return{line:lineNo,ch:after?from:to,after:after}}var middle=Math.ceil((from+to)/2),middleX=getX(middle);if(middleX>x){to=middle;toX=middleX;if(wrongLine)toX+=1e3}else{from=middle;fromX=middleX}}}function pageCoords(pos){var local=localCoords(pos,true),off=eltOffset(lineSpace);return{x:off.left+local.x,y:off.top+local.y,yBot:off.top+local.yBot}}var cachedHeight,cachedHeightFor,measurePre;function textHeight(){if(measurePre==null){measurePre=elt("pre");for(var i=0;i<49;++i){measurePre.appendChild(document.createTextNode("x"));measurePre.appendChild(elt("br"))}measurePre.appendChild(document.createTextNode("x"))}var offsetHeight=lineDiv.clientHeight;if(offsetHeight==cachedHeightFor)return cachedHeight;cachedHeightFor=offsetHeight;removeChildrenAndAdd(measure,measurePre.cloneNode(true));cachedHeight=measure.firstChild.offsetHeight/50||1;removeChildren(measure);return cachedHeight}var cachedWidth,cachedWidthFor=0;function charWidth(){if(scroller.clientWidth==cachedWidthFor)return cachedWidth;cachedWidthFor=scroller.clientWidth;var anchor=elt("span","x");var pre=elt("pre",[anch