GPQAPP

Форк
0
329 строк · 11.2 Кб
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/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
});
330

Использование cookies

Мы используем файлы cookie в соответствии с Политикой конфиденциальности и Политикой использования cookies.

Нажимая кнопку «Принимаю», Вы даете АО «СберТех» согласие на обработку Ваших персональных данных в целях совершенствования нашего веб-сайта и Сервиса GitVerse, а также повышения удобства их использования.

Запретить использование cookies Вы можете самостоятельно в настройках Вашего браузера.