comment.js

!function(mod){"object"==typeof exports&&"object"==typeof module?mod(require("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],mod):mod(CodeMirror)}(function(CodeMirror){"use strict";var noOptions={},nonWS=/[^\s\u00a0]/,Pos=CodeMirror.Pos,cmp=CodeMirror.cmpPos;function firstNonWS(str){var found=str.search(nonWS);return-1==found?0:found}function probablyInsideString(cm,pos,line){return/\bstring\b/.test(cm.getTokenTypeAt(Pos(pos.line,0)))&&!/^[\'\"\`]/.test(line)}function getMode(cm,pos){var mode=cm.getMode();return!1!==mode.useInnerComments&&mode.innerMode?cm.getModeAt(pos):mode}CodeMirror.commands.toggleComment=function(cm){cm.toggleComment()},CodeMirror.defineExtension("toggleComment",function(options){options||(options=noOptions);for(var cm=this,minLine=1/0,ranges=this.listSelections(),mode=null,i=ranges.length-1;i>=0;i--){var from=ranges[i].from(),to=ranges[i].to();from.line>=minLine||(to.line>=minLine&&(to=Pos(minLine,0)),minLine=from.line,null==mode?cm.uncomment(from,to,options)?mode="un":(cm.lineComment(from,to,options),mode="line"):"un"==mode?cm.uncomment(from,to,options):cm.lineComment(from,to,options))}}),CodeMirror.defineExtension("lineComment",function(from,to,options){options||(options=noOptions);var self=this,mode=getMode(self,from),firstLine=self.getLine(from.line);if(null!=firstLine&&!probablyInsideString(self,from,firstLine)){var commentString=options.lineComment||mode.lineComment;if(commentString){var end=Math.min(0!=to.ch||to.line==from.line?to.line+1:to.line,self.lastLine()+1),pad=null==options.padding?" ":options.padding,blankLines=options.commentBlankLines||from.line==to.line;self.operation(function(){if(options.indent){for(var baseString=null,i=from.line;i<end;++i){var line,whitespace=-1===(line=self.getLine(i)).search(nonWS)?line:line.slice(0,firstNonWS(line));(null==baseString||baseString.length>whitespace.length)&&(baseString=whitespace)}for(var i=from.line;i<end;++i){var line=self.getLine(i),cut=baseString.length;(blankLines||nonWS.test(line))&&(line.slice(0,cut)!=baseString&&(cut=firstNonWS(line)),self.replaceRange(baseString+commentString+pad,Pos(i,0),Pos(i,cut)))}}else for(var i=from.line;i<end;++i)(blankLines||nonWS.test(self.getLine(i)))&&self.replaceRange(commentString+pad,Pos(i,0))})}else(options.blockCommentStart||mode.blockCommentStart)&&(options.fullLines=!0,self.blockComment(from,to,options))}}),CodeMirror.defineExtension("blockComment",function(from,to,options){options||(options=noOptions);var self=this,mode=getMode(self,from),startString=options.blockCommentStart||mode.blockCommentStart,endString=options.blockCommentEnd||mode.blockCommentEnd;if(startString&&endString){if(!/\bcomment\b/.test(self.getTokenTypeAt(Pos(from.line,0)))){var end=Math.min(to.line,self.lastLine());end!=from.line&&0==to.ch&&nonWS.test(self.getLine(end))&&--end;var pad=null==options.padding?" ":options.padding;from.line>end||self.operation(function(){if(0!=options.fullLines){var lastLineHasText=nonWS.test(self.getLine(end));self.replaceRange(pad+endString,Pos(end)),self.replaceRange(startString+pad,Pos(from.line,0));var lead=options.blockCommentLead||mode.blockCommentLead;if(null!=lead)for(var i=from.line+1;i<=end;++i)(i!=end||lastLineHasText)&&self.replaceRange(lead+pad,Pos(i,0))}else{var atCursor=0==cmp(self.getCursor("to"),to),empty=!self.somethingSelected();self.replaceRange(endString,to),atCursor&&self.setSelection(empty?to:self.getCursor("from"),to),self.replaceRange(startString,from)}})}}else(options.lineComment||mode.lineComment)&&0!=options.fullLines&&self.lineComment(from,to,options)}),CodeMirror.defineExtension("uncomment",function(from,to,options){options||(options=noOptions);var self=this,mode=getMode(self,from),end=Math.min(0!=to.ch||to.line==from.line?to.line:to.line-1,self.lastLine()),start=Math.min(from.line,end),lineString=options.lineComment||mode.lineComment,lines=[],pad=null==options.padding?" ":options.padding,didSomething;lineComment:if(lineString){for(var i=start;i<=end;++i){var line=self.getLine(i),found=line.indexOf(lineString);if(found>-1&&!/comment/.test(self.getTokenTypeAt(Pos(i,found+1)))&&(found=-1),-1==found&&nonWS.test(line))break lineComment;if(found>-1&&nonWS.test(line.slice(0,found)))break lineComment;lines.push(line)}if(self.operation(function(){for(var i=start;i<=end;++i){var line=lines[i-start],pos=line.indexOf(lineString),endPos=pos+lineString.length;pos<0||(line.slice(endPos,endPos+pad.length)==pad&&(endPos+=pad.length),didSomething=!0,self.replaceRange("",Pos(i,pos),Pos(i,endPos)))}}),didSomething)return!0}var startString=options.blockCommentStart||mode.blockCommentStart,endString=options.blockCommentEnd||mode.blockCommentEnd;if(!startString||!endString)return!1;var lead=options.blockCommentLead||mode.blockCommentLead,startLine=self.getLine(start),open=startLine.indexOf(startString);if(-1==open)return!1;var endLine=end==start?startLine:self.getLine(end),close=endLine.indexOf(endString,end==start?open+startString.length:0),insideStart=Pos(start,open+1),insideEnd=Pos(end,close+1);if(-1==close||!/comment/.test(self.getTokenTypeAt(insideStart))||!/comment/.test(self.getTokenTypeAt(insideEnd))||self.getRange(insideStart,insideEnd,"\n").indexOf(endString)>-1)return!1;var lastStart=startLine.lastIndexOf(startString,from.ch),firstEnd=-1==lastStart?-1:startLine.slice(0,from.ch).indexOf(endString,lastStart+startString.length);if(-1!=lastStart&&-1!=firstEnd&&firstEnd+endString.length!=from.ch)return!1;firstEnd=endLine.indexOf(endString,to.ch);var almostLastStart=endLine.slice(to.ch).lastIndexOf(startString,firstEnd-to.ch);return lastStart=-1==firstEnd||-1==almostLastStart?-1:to.ch+almostLastStart,(-1==firstEnd||-1==lastStart||lastStart==to.ch)&&(self.operation(function(){self.replaceRange("",Pos(end,close-(pad&&endLine.slice(close-pad.length,close)==pad?pad.length:0)),Pos(end,close+endString.length));var openEnd=open+startString.length;if(pad&&startLine.slice(openEnd,openEnd+pad.length)==pad&&(openEnd+=pad.length),self.replaceRange("",Pos(start,open),Pos(start,openEnd)),lead)for(var i=start+1;i<=end;++i){var line=self.getLine(i),found=line.indexOf(lead);if(-1!=found&&!nonWS.test(line.slice(0,found))){var foundEnd=found+lead.length;pad&&line.slice(foundEnd,foundEnd+pad.length)==pad&&(foundEnd+=pad.length),self.replaceRange("",Pos(i,found),Pos(i,foundEnd))}}}),!0)})});