| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211 | // CodeMirror, copyright (c) by Marijn Haverbeke and others// Distributed under an MIT license: https://codemirror.net/LICENSE(function(mod) {  if (typeof exports == "object" && typeof module == "object") // CommonJS    mod(require("../../lib/codemirror"));  else if (typeof define == "function" && define.amd) // AMD    define(["../../lib/codemirror"], mod);  else // Plain browser env    mod(CodeMirror);})(function(CodeMirror) {  "use strict";  var noOptions = {};  var nonWS = /[^\s\u00a0]/;  var Pos = CodeMirror.Pos, cmp = CodeMirror.cmpPos;  function firstNonWS(str) {    var found = str.search(nonWS);    return found == -1 ? 0 : found;  }  CodeMirror.commands.toggleComment = function(cm) {    cm.toggleComment();  };  CodeMirror.defineExtension("toggleComment", function(options) {    if (!options) options = noOptions;    var cm = this;    var minLine = Infinity, ranges = this.listSelections(), mode = null;    for (var i = ranges.length - 1; i >= 0; i--) {      var from = ranges[i].from(), to = ranges[i].to();      if (from.line >= minLine) continue;      if (to.line >= minLine) to = Pos(minLine, 0);      minLine = from.line;      if (mode == null) {        if (cm.uncomment(from, to, options)) mode = "un";        else { cm.lineComment(from, to, options); mode = "line"; }      } else if (mode == "un") {        cm.uncomment(from, to, options);      } else {        cm.lineComment(from, to, options);      }    }  });  // Rough heuristic to try and detect lines that are part of multi-line string  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 mode.useInnerComments === false || !mode.innerMode ? mode : cm.getModeAt(pos)  }  CodeMirror.defineExtension("lineComment", function(from, to, options) {    if (!options) options = noOptions;    var self = this, mode = getMode(self, from);    var firstLine = self.getLine(from.line);    if (firstLine == null || probablyInsideString(self, from, firstLine)) return;    var commentString = options.lineComment || mode.lineComment;    if (!commentString) {      if (options.blockCommentStart || mode.blockCommentStart) {        options.fullLines = true;        self.blockComment(from, to, options);      }      return;    }    var end = Math.min(to.ch != 0 || to.line == from.line ? to.line + 1 : to.line, self.lastLine() + 1);    var pad = options.padding == null ? " " : options.padding;    var blankLines = options.commentBlankLines || from.line == to.line;    self.operation(function() {      if (options.indent) {        var baseString = null;        for (var i = from.line; i < end; ++i) {          var line = self.getLine(i);          var whitespace = line.slice(0, firstNonWS(line));          if (baseString == null || baseString.length > whitespace.length) {            baseString = whitespace;          }        }        for (var i = from.line; i < end; ++i) {          var line = self.getLine(i), cut = baseString.length;          if (!blankLines && !nonWS.test(line)) continue;          if (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) {          if (blankLines || nonWS.test(self.getLine(i)))            self.replaceRange(commentString + pad, Pos(i, 0));        }      }    });  });  CodeMirror.defineExtension("blockComment", function(from, to, options) {    if (!options) options = noOptions;    var self = this, mode = getMode(self, from);    var startString = options.blockCommentStart || mode.blockCommentStart;    var endString = options.blockCommentEnd || mode.blockCommentEnd;    if (!startString || !endString) {      if ((options.lineComment || mode.lineComment) && options.fullLines != false)        self.lineComment(from, to, options);      return;    }    if (/\bcomment\b/.test(self.getTokenTypeAt(Pos(from.line, 0)))) return    var end = Math.min(to.line, self.lastLine());    if (end != from.line && to.ch == 0 && nonWS.test(self.getLine(end))) --end;    var pad = options.padding == null ? " " : options.padding;    if (from.line > end) return;    self.operation(function() {      if (options.fullLines != false) {        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 (lead != null) for (var i = from.line + 1; i <= end; ++i)          if (i != end || lastLineHasText)            self.replaceRange(lead + pad, Pos(i, 0));      } else {        var atCursor = cmp(self.getCursor("to"), to) == 0, empty = !self.somethingSelected()        self.replaceRange(endString, to);        if (atCursor) self.setSelection(empty ? to : self.getCursor("from"), to)        self.replaceRange(startString, from);      }    });  });  CodeMirror.defineExtension("uncomment", function(from, to, options) {    if (!options) options = noOptions;    var self = this, mode = getMode(self, from);    var end = Math.min(to.ch != 0 || to.line == from.line ? to.line : to.line - 1, self.lastLine()), start = Math.min(from.line, end);    // Try finding line comments    var lineString = options.lineComment || mode.lineComment, lines = [];    var pad = options.padding == null ? " " : options.padding, didSomething;    lineComment: {      if (!lineString) break lineComment;      for (var i = start; i <= end; ++i) {        var line = self.getLine(i);        var found = line.indexOf(lineString);        if (found > -1 && !/comment/.test(self.getTokenTypeAt(Pos(i, found + 1)))) found = -1;        if (found == -1 && nonWS.test(line)) break lineComment;        if (found > -1 && nonWS.test(line.slice(0, found))) break lineComment;        lines.push(line);      }      self.operation(function() {        for (var i = start; i <= end; ++i) {          var line = lines[i - start];          var pos = line.indexOf(lineString), endPos = pos + lineString.length;          if (pos < 0) continue;          if (line.slice(endPos, endPos + pad.length) == pad) endPos += pad.length;          didSomething = true;          self.replaceRange("", Pos(i, pos), Pos(i, endPos));        }      });      if (didSomething) return true;    }    // Try block comments    var startString = options.blockCommentStart || mode.blockCommentStart;    var endString = options.blockCommentEnd || mode.blockCommentEnd;    if (!startString || !endString) return false;    var lead = options.blockCommentLead || mode.blockCommentLead;    var startLine = self.getLine(start), open = startLine.indexOf(startString)    if (open == -1) return false    var endLine = end == start ? startLine : self.getLine(end)    var close = endLine.indexOf(endString, end == start ? open + startString.length : 0);    var insideStart = Pos(start, open + 1), insideEnd = Pos(end, close + 1)    if (close == -1 ||        !/comment/.test(self.getTokenTypeAt(insideStart)) ||        !/comment/.test(self.getTokenTypeAt(insideEnd)) ||        self.getRange(insideStart, insideEnd, "\n").indexOf(endString) > -1)      return false;    // Avoid killing block comments completely outside the selection.    // Positions of the last startString before the start of the selection, and the first endString after it.    var lastStart = startLine.lastIndexOf(startString, from.ch);    var firstEnd = lastStart == -1 ? -1 : startLine.slice(0, from.ch).indexOf(endString, lastStart + startString.length);    if (lastStart != -1 && firstEnd != -1 && firstEnd + endString.length != from.ch) return false;    // Positions of the first endString after the end of the selection, and the last startString before it.    firstEnd = endLine.indexOf(endString, to.ch);    var almostLastStart = endLine.slice(to.ch).lastIndexOf(startString, firstEnd - to.ch);    lastStart = (firstEnd == -1 || almostLastStart == -1) ? -1 : to.ch + almostLastStart;    if (firstEnd != -1 && lastStart != -1 && lastStart != to.ch) return false;    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));      if (lead) for (var i = start + 1; i <= end; ++i) {        var line = self.getLine(i), found = line.indexOf(lead);        if (found == -1 || nonWS.test(line.slice(0, found))) continue;        var foundEnd = found + lead.length;        if (pad && line.slice(foundEnd, foundEnd + pad.length) == pad) foundEnd += pad.length;        self.replaceRange("", Pos(i, found), Pos(i, foundEnd));      }    });    return true;  });});
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