https://otomailer.com/assets/summernote/_old/v2/codemirror/addon/runmode/runmode.js

1// CodeMirror, copyright (c) by Marijn Haverbeke and others
2// Distributed under an MIT license: https://codemirror.net/LICENSE
3
4(function(mod) {
5  if (typeof exports == "object" && typeof module == "object") // CommonJS
6    mod(require("../../lib/codemirror"));
7  else if (typeof define == "function" && define.amd) // AMD
8    define(["../../lib/codemirror"], mod);
9  else // Plain browser env
10    mod(CodeMirror);
11})(function(CodeMirror) {
12"use strict";
13
14CodeMirror.runMode = function(string, modespec, callback, options) {
15  var mode = CodeMirror.getMode(CodeMirror.defaults, modespec);
16  var tabSize = (options && options.tabSize) || CodeMirror.defaults.tabSize;
17
18  // Create a tokenizing callback function if passed-in callback is a DOM element.
19  if (callback.appendChild) {
20    var ie = /MSIE \d/.test(navigator.userAgent);
21    var ie_lt9 = ie && (document.documentMode == null || document.documentMode < 9);
22    var node = callback, col = 0;
23    node.innerHTML = "";
24    callback = function(text, style) {
25      if (text == "\n") {
26        // Emitting LF or CRLF on IE8 or earlier results in an incorrect display.
27        // Emitting a carriage return makes everything ok.
28        node.appendChild(document.createTextNode(ie_lt9 ? '\r' : text));
29        col = 0;
30        return;
31      }
32      var content = "";
33      // replace tabs
34      for (var pos = 0;;) {
35        var idx = text.indexOf("\t", pos);
36        if (idx == -1) {
37          content += text.slice(pos);
38          col += text.length - pos;
39          break;
40        } else {
41          col += idx - pos;
42          content += text.slice(pos, idx);
43          var size = tabSize - col % tabSize;
44          col += size;
45          for (var i = 0; i < size; ++i) content += " ";
46          pos = idx + 1;
47        }
48      }
49      // Create a node with token style and append it to the callback DOM element.
50      if (style) {
51        var sp = node.appendChild(document.createElement("span"));
52        sp.className = "cm-" + style.replace(/ +/g, " cm-");
53        sp.appendChild(document.createTextNode(content));
54      } else {
55        node.appendChild(document.createTextNode(content));
56      }
57    };
58  }
59
60  var lines = CodeMirror.splitLines(string), state = (options && options.state) || CodeMirror.startState(mode);
61  for (var i = 0, e = lines.length; i < e; ++i) {
62    if (i) callback("\n");
63    var stream = new CodeMirror.StringStream(lines[i], null, {
64      lookAhead: function(n) { return lines[i + n] },
65      baseToken: function() {}
66    });
67    if (!stream.string && mode.blankLine) mode.blankLine(state);
68    while (!stream.eol()) {
69      var style = mode.token(stream, state);
70      callback(stream.current(), style, i, stream.start, state);
71      stream.start = stream.pos;
72    }
73  }
74};
75
76});