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runmode.min.js (2499B)


      1 // CodeMirror, copyright (c) by Marijn Haverbeke and others
      2 // Distributed under an MIT license: http://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 
     14 CodeMirror.runMode = function(string, modespec, callback, options) {
     15   var mode = CodeMirror.getMode(CodeMirror.defaults, modespec);
     16   var ie = /MSIE \d/.test(navigator.userAgent);
     17   var ie_lt9 = ie && (document.documentMode == null || document.documentMode < 9);
     18 
     19   if (callback.appendChild) {
     20     var tabSize = (options && options.tabSize) || CodeMirror.defaults.tabSize;
     21     var node = callback, col = 0;
     22     node.innerHTML = "";
     23     callback = function(text, style) {
     24       if (text == "\n") {
     25         // Emitting LF or CRLF on IE8 or earlier results in an incorrect display.
     26         // Emitting a carriage return makes everything ok.
     27         node.appendChild(document.createTextNode(ie_lt9 ? '\r' : text));
     28         col = 0;
     29         return;
     30       }
     31       var content = "";
     32       // replace tabs
     33       for (var pos = 0;;) {
     34         var idx = text.indexOf("\t", pos);
     35         if (idx == -1) {
     36           content += text.slice(pos);
     37           col += text.length - pos;
     38           break;
     39         } else {
     40           col += idx - pos;
     41           content += text.slice(pos, idx);
     42           var size = tabSize - col % tabSize;
     43           col += size;
     44           for (var i = 0; i < size; ++i) content += " ";
     45           pos = idx + 1;
     46         }
     47       }
     48 
     49       if (style) {
     50         var sp = node.appendChild(document.createElement("span"));
     51         sp.className = "cm-" + style.replace(/ +/g, " cm-");
     52         sp.appendChild(document.createTextNode(content));
     53       } else {
     54         node.appendChild(document.createTextNode(content));
     55       }
     56     };
     57   }
     58 
     59   var lines = CodeMirror.splitLines(string), state = (options && options.state) || CodeMirror.startState(mode);
     60   for (var i = 0, e = lines.length; i < e; ++i) {
     61     if (i) callback("\n");
     62     var stream = new CodeMirror.StringStream(lines[i]);
     63     if (!stream.string && mode.blankLine) mode.blankLine(state);
     64     while (!stream.eol()) {
     65       var style = mode.token(stream, state);
     66       callback(stream.current(), style, i, stream.start, state);
     67       stream.start = stream.pos;
     68     }
     69   }
     70 };
     71 
     72 });