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   1  'use strict';
   2  
   3  function copyObj(obj, target, overwrite) {
   4    if (!target) { target = {}; }
   5    for (var prop in obj)
   6      { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))
   7        { target[prop] = obj[prop]; } }
   8    return target
   9  }
  10  
  11  // Counts the column offset in a string, taking tabs into account.
  12  // Used mostly to find indentation.
  13  function countColumn(string, end, tabSize, startIndex, startValue) {
  14    if (end == null) {
  15      end = string.search(/[^\s\u00a0]/);
  16      if (end == -1) { end = string.length; }
  17    }
  18    for (var i = startIndex || 0, n = startValue || 0;;) {
  19      var nextTab = string.indexOf("\t", i);
  20      if (nextTab < 0 || nextTab >= end)
  21        { return n + (end - i) }
  22      n += nextTab - i;
  23      n += tabSize - (n % tabSize);
  24      i = nextTab + 1;
  25    }
  26  }
  27  
  28  function nothing() {}
  29  
  30  function createObj(base, props) {
  31    var inst;
  32    if (Object.create) {
  33      inst = Object.create(base);
  34    } else {
  35      nothing.prototype = base;
  36      inst = new nothing();
  37    }
  38    if (props) { copyObj(props, inst); }
  39    return inst
  40  }
  41  
  42  // STRING STREAM
  43  
  44  // Fed to the mode parsers, provides helper functions to make
  45  // parsers more succinct.
  46  
  47  var StringStream = function(string, tabSize, lineOracle) {
  48    this.pos = this.start = 0;
  49    this.string = string;
  50    this.tabSize = tabSize || 8;
  51    this.lastColumnPos = this.lastColumnValue = 0;
  52    this.lineStart = 0;
  53    this.lineOracle = lineOracle;
  54  };
  55  
  56  StringStream.prototype.eol = function () {return this.pos >= this.string.length};
  57  StringStream.prototype.sol = function () {return this.pos == this.lineStart};
  58  StringStream.prototype.peek = function () {return this.string.charAt(this.pos) || undefined};
  59  StringStream.prototype.next = function () {
  60    if (this.pos < this.string.length)
  61      { return this.string.charAt(this.pos++) }
  62  };
  63  StringStream.prototype.eat = function (match) {
  64    var ch = this.string.charAt(this.pos);
  65    var ok;
  66    if (typeof match == "string") { ok = ch == match; }
  67    else { ok = ch && (match.test ? match.test(ch) : match(ch)); }
  68    if (ok) {++this.pos; return ch}
  69  };
  70  StringStream.prototype.eatWhile = function (match) {
  71    var start = this.pos;
  72    while (this.eat(match)){}
  73    return this.pos > start
  74  };
  75  StringStream.prototype.eatSpace = function () {
  76    var start = this.pos;
  77    while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) { ++this.pos; }
  78    return this.pos > start
  79  };
  80  StringStream.prototype.skipToEnd = function () {this.pos = this.string.length;};
  81  StringStream.prototype.skipTo = function (ch) {
  82    var found = this.string.indexOf(ch, this.pos);
  83    if (found > -1) {this.pos = found; return true}
  84  };
  85  StringStream.prototype.backUp = function (n) {this.pos -= n;};
  86  StringStream.prototype.column = function () {
  87    if (this.lastColumnPos < this.start) {
  88      this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);
  89      this.lastColumnPos = this.start;
  90    }
  91    return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
  92  };
  93  StringStream.prototype.indentation = function () {
  94    return countColumn(this.string, null, this.tabSize) -
  95      (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
  96  };
  97  StringStream.prototype.match = function (pattern, consume, caseInsensitive) {
  98    if (typeof pattern == "string") {
  99      var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; };
 100      var substr = this.string.substr(this.pos, pattern.length);
 101      if (cased(substr) == cased(pattern)) {
 102        if (consume !== false) { this.pos += pattern.length; }
 103        return true
 104      }
 105    } else {
 106      var match = this.string.slice(this.pos).match(pattern);
 107      if (match && match.index > 0) { return null }
 108      if (match && consume !== false) { this.pos += match[0].length; }
 109      return match
 110    }
 111  };
 112  StringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)};
 113  StringStream.prototype.hideFirstChars = function (n, inner) {
 114    this.lineStart += n;
 115    try { return inner() }
 116    finally { this.lineStart -= n; }
 117  };
 118  StringStream.prototype.lookAhead = function (n) {
 119    var oracle = this.lineOracle;
 120    return oracle && oracle.lookAhead(n)
 121  };
 122  StringStream.prototype.baseToken = function () {
 123    var oracle = this.lineOracle;
 124    return oracle && oracle.baseToken(this.pos)
 125  };
 126  
 127  // Known modes, by name and by MIME
 128  var modes = {}, mimeModes = {};
 129  
 130  // Extra arguments are stored as the mode's dependencies, which is
 131  // used by (legacy) mechanisms like loadmode.js to automatically
 132  // load a mode. (Preferred mechanism is the require/define calls.)
 133  function defineMode(name, mode) {
 134    if (arguments.length > 2)
 135      { mode.dependencies = Array.prototype.slice.call(arguments, 2); }
 136    modes[name] = mode;
 137  }
 138  
 139  function defineMIME(mime, spec) {
 140    mimeModes[mime] = spec;
 141  }
 142  
 143  // Given a MIME type, a {name, ...options} config object, or a name
 144  // string, return a mode config object.
 145  function resolveMode(spec) {
 146    if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
 147      spec = mimeModes[spec];
 148    } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
 149      var found = mimeModes[spec.name];
 150      if (typeof found == "string") { found = {name: found}; }
 151      spec = createObj(found, spec);
 152      spec.name = found.name;
 153    } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) {
 154      return resolveMode("application/xml")
 155    } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+json$/.test(spec)) {
 156      return resolveMode("application/json")
 157    }
 158    if (typeof spec == "string") { return {name: spec} }
 159    else { return spec || {name: "null"} }
 160  }
 161  
 162  // Given a mode spec (anything that resolveMode accepts), find and
 163  // initialize an actual mode object.
 164  function getMode(options, spec) {
 165    spec = resolveMode(spec);
 166    var mfactory = modes[spec.name];
 167    if (!mfactory) { return getMode(options, "text/plain") }
 168    var modeObj = mfactory(options, spec);
 169    if (modeExtensions.hasOwnProperty(spec.name)) {
 170      var exts = modeExtensions[spec.name];
 171      for (var prop in exts) {
 172        if (!exts.hasOwnProperty(prop)) { continue }
 173        if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop]; }
 174        modeObj[prop] = exts[prop];
 175      }
 176    }
 177    modeObj.name = spec.name;
 178    if (spec.helperType) { modeObj.helperType = spec.helperType; }
 179    if (spec.modeProps) { for (var prop$1 in spec.modeProps)
 180      { modeObj[prop$1] = spec.modeProps[prop$1]; } }
 181  
 182    return modeObj
 183  }
 184  
 185  // This can be used to attach properties to mode objects from
 186  // outside the actual mode definition.
 187  var modeExtensions = {};
 188  function extendMode(mode, properties) {
 189    var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});
 190    copyObj(properties, exts);
 191  }
 192  
 193  function copyState(mode, state) {
 194    if (state === true) { return state }
 195    if (mode.copyState) { return mode.copyState(state) }
 196    var nstate = {};
 197    for (var n in state) {
 198      var val = state[n];
 199      if (val instanceof Array) { val = val.concat([]); }
 200      nstate[n] = val;
 201    }
 202    return nstate
 203  }
 204  
 205  // Given a mode and a state (for that mode), find the inner mode and
 206  // state at the position that the state refers to.
 207  function innerMode(mode, state) {
 208    var info;
 209    while (mode.innerMode) {
 210      info = mode.innerMode(state);
 211      if (!info || info.mode == mode) { break }
 212      state = info.state;
 213      mode = info.mode;
 214    }
 215    return info || {mode: mode, state: state}
 216  }
 217  
 218  function startState(mode, a1, a2) {
 219    return mode.startState ? mode.startState(a1, a2) : true
 220  }
 221  
 222  var modeMethods = {
 223    __proto__: null,
 224    modes: modes,
 225    mimeModes: mimeModes,
 226    defineMode: defineMode,
 227    defineMIME: defineMIME,
 228    resolveMode: resolveMode,
 229    getMode: getMode,
 230    modeExtensions: modeExtensions,
 231    extendMode: extendMode,
 232    copyState: copyState,
 233    innerMode: innerMode,
 234    startState: startState
 235  };
 236  
 237  // Copy StringStream and mode methods into exports (CodeMirror) object.
 238  exports.StringStream = StringStream;
 239  exports.countColumn = countColumn;
 240  for (var exported in modeMethods) { exports[exported] = modeMethods[exported]; }
 241  
 242  // Shim library CodeMirror with the minimal CodeMirror defined above.
 243  require.cache[require.resolve("../../lib/codemirror")] = require.cache[require.resolve("./runmode.node")];
 244  require.cache[require.resolve("../../addon/runmode/runmode")] = require.cache[require.resolve("./runmode.node")];
 245  
 246  // Minimal default mode.
 247  exports.defineMode("null", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); });
 248  exports.defineMIME("text/plain", "null");
 249  
 250  exports.registerHelper = exports.registerGlobalHelper = Math.min;
 251  exports.splitLines = function(string) { return string.split(/\r?\n|\r/) };
 252  
 253  exports.defaults = { indentUnit: 2 };
 254  
 255  // CodeMirror, copyright (c) by Marijn Haverbeke and others
 256  // Distributed under an MIT license: https://codemirror.net/5/LICENSE
 257  
 258  (function(mod) {
 259    if (typeof exports == "object" && typeof module == "object") // CommonJS
 260      { mod(require("../../lib/codemirror")); }
 261    else if (typeof define == "function" && define.amd) // AMD
 262      { define(["../../lib/codemirror"], mod); }
 263    else // Plain browser env
 264      { mod(CodeMirror); }
 265  })(function(CodeMirror) {
 266  
 267  CodeMirror.runMode = function(string, modespec, callback, options) {
 268    var mode = CodeMirror.getMode(CodeMirror.defaults, modespec);
 269    var tabSize = (options && options.tabSize) || CodeMirror.defaults.tabSize;
 270  
 271    // Create a tokenizing callback function if passed-in callback is a DOM element.
 272    if (callback.appendChild) {
 273      var ie = /MSIE \d/.test(navigator.userAgent);
 274      var ie_lt9 = ie && (document.documentMode == null || document.documentMode < 9);
 275      var node = callback, col = 0;
 276      node.innerHTML = "";
 277      callback = function(text, style) {
 278        if (text == "\n") {
 279          // Emitting LF or CRLF on IE8 or earlier results in an incorrect display.
 280          // Emitting a carriage return makes everything ok.
 281          node.appendChild(document.createTextNode(ie_lt9 ? '\r' : text));
 282          col = 0;
 283          return;
 284        }
 285        var content = "";
 286        // replace tabs
 287        for (var pos = 0;;) {
 288          var idx = text.indexOf("\t", pos);
 289          if (idx == -1) {
 290            content += text.slice(pos);
 291            col += text.length - pos;
 292            break;
 293          } else {
 294            col += idx - pos;
 295            content += text.slice(pos, idx);
 296            var size = tabSize - col % tabSize;
 297            col += size;
 298            for (var i = 0; i < size; ++i) { content += " "; }
 299            pos = idx + 1;
 300          }
 301        }
 302        // Create a node with token style and append it to the callback DOM element.
 303        if (style) {
 304          var sp = node.appendChild(document.createElement("span"));
 305          sp.className = "cm-" + style.replace(/ +/g, " cm-");
 306          sp.appendChild(document.createTextNode(content));
 307        } else {
 308          node.appendChild(document.createTextNode(content));
 309        }
 310      };
 311    }
 312  
 313    var lines = CodeMirror.splitLines(string), state = (options && options.state) || CodeMirror.startState(mode);
 314    for (var i = 0, e = lines.length; i < e; ++i) {
 315      if (i) { callback("\n"); }
 316      var stream = new CodeMirror.StringStream(lines[i], null, {
 317        lookAhead: function(n) { return lines[i + n] },
 318        baseToken: function() {}
 319      });
 320      if (!stream.string && mode.blankLine) { mode.blankLine(state); }
 321      while (!stream.eol()) {
 322        var style = mode.token(stream, state);
 323        callback(stream.current(), style, i, stream.start, state, mode);
 324        stream.start = stream.pos;
 325      }
 326    }
 327  };
 328  
 329  });