GPQAPP

1
(function () {
2
  'use strict';
3

4
  function copyObj(obj, target, overwrite) {
5
    if (!target) { target = {}; }
6
    for (var prop in obj)
7
      { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))
8
        { target[prop] = obj[prop]; } }
9
    return target
10
  }
11

12
  // Counts the column offset in a string, taking tabs into account.
13
  // Used mostly to find indentation.
14
  function countColumn(string, end, tabSize, startIndex, startValue) {
15
    if (end == null) {
16
      end = string.search(/[^\s\u00a0]/);
17
      if (end == -1) { end = string.length; }
18
    }
19
    for (var i = startIndex || 0, n = startValue || 0;;) {
20
      var nextTab = string.indexOf("\t", i);
21
      if (nextTab < 0 || nextTab >= end)
22
        { return n + (end - i) }
23
      n += nextTab - i;
24
      n += tabSize - (n % tabSize);
25
      i = nextTab + 1;
26
    }
27
  }
28

29
  function nothing() {}
30

31
  function createObj(base, props) {
32
    var inst;
33
    if (Object.create) {
34
      inst = Object.create(base);
35
    } else {
36
      nothing.prototype = base;
37
      inst = new nothing();
38
    }
39
    if (props) { copyObj(props, inst); }
40
    return inst
41
  }
42

43
  // STRING STREAM
44

45
  // Fed to the mode parsers, provides helper functions to make
46
  // parsers more succinct.
47

48
  var StringStream = function(string, tabSize, lineOracle) {
49
    this.pos = this.start = 0;
50
    this.string = string;
51
    this.tabSize = tabSize || 8;
52
    this.lastColumnPos = this.lastColumnValue = 0;
53
    this.lineStart = 0;
54
    this.lineOracle = lineOracle;
55
  };
56

57
  StringStream.prototype.eol = function () {return this.pos >= this.string.length};
58
  StringStream.prototype.sol = function () {return this.pos == this.lineStart};
59
  StringStream.prototype.peek = function () {return this.string.charAt(this.pos) || undefined};
60
  StringStream.prototype.next = function () {
61
    if (this.pos < this.string.length)
62
      { return this.string.charAt(this.pos++) }
63
  };
64
  StringStream.prototype.eat = function (match) {
65
    var ch = this.string.charAt(this.pos);
66
    var ok;
67
    if (typeof match == "string") { ok = ch == match; }
68
    else { ok = ch && (match.test ? match.test(ch) : match(ch)); }
69
    if (ok) {++this.pos; return ch}
70
  };
71
  StringStream.prototype.eatWhile = function (match) {
72
    var start = this.pos;
73
    while (this.eat(match)){}
74
    return this.pos > start
75
  };
76
  StringStream.prototype.eatSpace = function () {
77
    var start = this.pos;
78
    while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) { ++this.pos; }
79
    return this.pos > start
80
  };
81
  StringStream.prototype.skipToEnd = function () {this.pos = this.string.length;};
82
  StringStream.prototype.skipTo = function (ch) {
83
    var found = this.string.indexOf(ch, this.pos);
84
    if (found > -1) {this.pos = found; return true}
85
  };
86
  StringStream.prototype.backUp = function (n) {this.pos -= n;};
87
  StringStream.prototype.column = function () {
88
    if (this.lastColumnPos < this.start) {
89
      this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);
90
      this.lastColumnPos = this.start;
91
    }
92
    return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
93
  };
94
  StringStream.prototype.indentation = function () {
95
    return countColumn(this.string, null, this.tabSize) -
96
      (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
97
  };
98
  StringStream.prototype.match = function (pattern, consume, caseInsensitive) {
99
    if (typeof pattern == "string") {
100
      var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; };
101
      var substr = this.string.substr(this.pos, pattern.length);
102
      if (cased(substr) == cased(pattern)) {
103
        if (consume !== false) { this.pos += pattern.length; }
104
        return true
105
      }
106
    } else {
107
      var match = this.string.slice(this.pos).match(pattern);
108
      if (match && match.index > 0) { return null }
109
      if (match && consume !== false) { this.pos += match[0].length; }
110
      return match
111
    }
112
  };
113
  StringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)};
114
  StringStream.prototype.hideFirstChars = function (n, inner) {
115
    this.lineStart += n;
116
    try { return inner() }
117
    finally { this.lineStart -= n; }
118
  };
119
  StringStream.prototype.lookAhead = function (n) {
120
    var oracle = this.lineOracle;
121
    return oracle && oracle.lookAhead(n)
122
  };
123
  StringStream.prototype.baseToken = function () {
124
    var oracle = this.lineOracle;
125
    return oracle && oracle.baseToken(this.pos)
126
  };
127

128
  // Known modes, by name and by MIME
129
  var modes = {}, mimeModes = {};
130

131
  // Extra arguments are stored as the mode's dependencies, which is
132
  // used by (legacy) mechanisms like loadmode.js to automatically
133
  // load a mode. (Preferred mechanism is the require/define calls.)
134
  function defineMode(name, mode) {
135
    if (arguments.length > 2)
136
      { mode.dependencies = Array.prototype.slice.call(arguments, 2); }
137
    modes[name] = mode;
138
  }
139

140
  function defineMIME(mime, spec) {
141
    mimeModes[mime] = spec;
142
  }
143

144
  // Given a MIME type, a {name, ...options} config object, or a name
145
  // string, return a mode config object.
146
  function resolveMode(spec) {
147
    if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
148
      spec = mimeModes[spec];
149
    } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
150
      var found = mimeModes[spec.name];
151
      if (typeof found == "string") { found = {name: found}; }
152
      spec = createObj(found, spec);
153
      spec.name = found.name;
154
    } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) {
155
      return resolveMode("application/xml")
156
    } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+json$/.test(spec)) {
157
      return resolveMode("application/json")
158
    }
159
    if (typeof spec == "string") { return {name: spec} }
160
    else { return spec || {name: "null"} }
161
  }
162

163
  // Given a mode spec (anything that resolveMode accepts), find and
164
  // initialize an actual mode object.
165
  function getMode(options, spec) {
166
    spec = resolveMode(spec);
167
    var mfactory = modes[spec.name];
168
    if (!mfactory) { return getMode(options, "text/plain") }
169
    var modeObj = mfactory(options, spec);
170
    if (modeExtensions.hasOwnProperty(spec.name)) {
171
      var exts = modeExtensions[spec.name];
172
      for (var prop in exts) {
173
        if (!exts.hasOwnProperty(prop)) { continue }
174
        if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop]; }
175
        modeObj[prop] = exts[prop];
176
      }
177
    }
178
    modeObj.name = spec.name;
179
    if (spec.helperType) { modeObj.helperType = spec.helperType; }
180
    if (spec.modeProps) { for (var prop$1 in spec.modeProps)
181
      { modeObj[prop$1] = spec.modeProps[prop$1]; } }
182

183
    return modeObj
184
  }
185

186
  // This can be used to attach properties to mode objects from
187
  // outside the actual mode definition.
188
  var modeExtensions = {};
189
  function extendMode(mode, properties) {
190
    var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});
191
    copyObj(properties, exts);
192
  }
193

194
  function copyState(mode, state) {
195
    if (state === true) { return state }
196
    if (mode.copyState) { return mode.copyState(state) }
197
    var nstate = {};
198
    for (var n in state) {
199
      var val = state[n];
200
      if (val instanceof Array) { val = val.concat([]); }
201
      nstate[n] = val;
202
    }
203
    return nstate
204
  }
205

206
  // Given a mode and a state (for that mode), find the inner mode and
207
  // state at the position that the state refers to.
208
  function innerMode(mode, state) {
209
    var info;
210
    while (mode.innerMode) {
211
      info = mode.innerMode(state);
212
      if (!info || info.mode == mode) { break }
213
      state = info.state;
214
      mode = info.mode;
215
    }
216
    return info || {mode: mode, state: state}
217
  }
218

219
  function startState(mode, a1, a2) {
220
    return mode.startState ? mode.startState(a1, a2) : true
221
  }
222

223
  var modeMethods = {
224
    __proto__: null,
225
    modes: modes,
226
    mimeModes: mimeModes,
227
    defineMode: defineMode,
228
    defineMIME: defineMIME,
229
    resolveMode: resolveMode,
230
    getMode: getMode,
231
    modeExtensions: modeExtensions,
232
    extendMode: extendMode,
233
    copyState: copyState,
234
    innerMode: innerMode,
235
    startState: startState
236
  };
237

238
  // declare global: globalThis, CodeMirror
239

240
  // Create a minimal CodeMirror needed to use runMode, and assign to root.
241
  var root = typeof globalThis !== 'undefined' ? globalThis : window;
242
  root.CodeMirror = {};
243

244
  // Copy StringStream and mode methods into CodeMirror object.
245
  CodeMirror.StringStream = StringStream;
246
  for (var exported in modeMethods) { CodeMirror[exported] = modeMethods[exported]; }
247

248
  // Minimal default mode.
249
  CodeMirror.defineMode("null", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); });
250
  CodeMirror.defineMIME("text/plain", "null");
251

252
  CodeMirror.registerHelper = CodeMirror.registerGlobalHelper = Math.min;
253
  CodeMirror.splitLines = function(string) { return string.split(/\r?\n|\r/) };
254
  CodeMirror.countColumn = countColumn;
255

256
  CodeMirror.defaults = { indentUnit: 2 };
257

258
  // CodeMirror, copyright (c) by Marijn Haverbeke and others
259
  // Distributed under an MIT license: https://codemirror.net/LICENSE
260

261
  (function(mod) {
262
    if (typeof exports == "object" && typeof module == "object") // CommonJS
263
      { mod(require("../../lib/codemirror")); }
264
    else if (typeof define == "function" && define.amd) // AMD
265
      { define(["../../lib/codemirror"], mod); }
266
    else // Plain browser env
267
      { mod(CodeMirror); }
268
  })(function(CodeMirror) {
269

270
  CodeMirror.runMode = function(string, modespec, callback, options) {
271
    var mode = CodeMirror.getMode(CodeMirror.defaults, modespec);
272
    var tabSize = (options && options.tabSize) || CodeMirror.defaults.tabSize;
273

274
    // Create a tokenizing callback function if passed-in callback is a DOM element.
275
    if (callback.appendChild) {
276
      var ie = /MSIE \d/.test(navigator.userAgent);
277
      var ie_lt9 = ie && (document.documentMode == null || document.documentMode < 9);
278
      var node = callback, col = 0;
279
      node.innerHTML = "";
280
      callback = function(text, style) {
281
        if (text == "\n") {
282
          // Emitting LF or CRLF on IE8 or earlier results in an incorrect display.
283
          // Emitting a carriage return makes everything ok.
284
          node.appendChild(document.createTextNode(ie_lt9 ? '\r' : text));
285
          col = 0;
286
          return;
287
        }
288
        var content = "";
289
        // replace tabs
290
        for (var pos = 0;;) {
291
          var idx = text.indexOf("\t", pos);
292
          if (idx == -1) {
293
            content += text.slice(pos);
294
            col += text.length - pos;
295
            break;
296
          } else {
297
            col += idx - pos;
298
            content += text.slice(pos, idx);
299
            var size = tabSize - col % tabSize;
300
            col += size;
301
            for (var i = 0; i < size; ++i) { content += " "; }
302
            pos = idx + 1;
303
          }
304
        }
305
        // Create a node with token style and append it to the callback DOM element.
306
        if (style) {
307
          var sp = node.appendChild(document.createElement("span"));
308
          sp.className = "cm-" + style.replace(/ +/g, " cm-");
309
          sp.appendChild(document.createTextNode(content));
310
        } else {
311
          node.appendChild(document.createTextNode(content));
312
        }
313
      };
314
    }
315

316
    var lines = CodeMirror.splitLines(string), state = (options && options.state) || CodeMirror.startState(mode);
317
    for (var i = 0, e = lines.length; i < e; ++i) {
318
      if (i) { callback("\n"); }
319
      var stream = new CodeMirror.StringStream(lines[i], null, {
320
        lookAhead: function(n) { return lines[i + n] },
321
        baseToken: function() {}
322
      });
323
      if (!stream.string && mode.blankLine) { mode.blankLine(state); }
324
      while (!stream.eol()) {
325
        var style = mode.token(stream, state);
326
        callback(stream.current(), style, i, stream.start, state, mode);
327
        stream.start = stream.pos;
328
      }
329
    }
330
  };
331

332
  });
333

334
}());
335