git.r.bdr.sh - rbdr/dotfiles/blob - atom/packages/pretty-json/node_modules/jsonminify/report/assets/scripts/vendor/codemirror/util/runmode.js

   1 CodeMirror.runMode = function(string, modespec, callback, options) {
   2   var mode = CodeMirror.getMode(CodeMirror.defaults, modespec);
   3
   4   if (callback.nodeType == 1) {
   5     var tabSize = (options && options.tabSize) || CodeMirror.defaults.tabSize;
   6     var node = callback, col = 0;
   7     node.innerHTML = "";
   8     callback = function(text, style) {
   9       if (text == "\n") {
  10         node.appendChild(document.createElement("br"));
  11         col = 0;
  12         return;
  13       }
  14       var content = "";
  15       // replace tabs
  16       for (var pos = 0;;) {
  17         var idx = text.indexOf("\t", pos);
  18         if (idx == -1) {
  19           content += text.slice(pos);
  20           col += text.length - pos;
  21           break;
  22         } else {
  23           col += idx - pos;
  24           content += text.slice(pos, idx);
  25           var size = tabSize - col % tabSize;
  26           col += size;
  27           for (var i = 0; i < size; ++i) content += " ";
  28           pos = idx + 1;
  29         }
  30       }
  31
  32       if (style) {
  33         var sp = node.appendChild(document.createElement("span"));
  34         sp.className = "cm-" + style.replace(/ +/g, " cm-");
  35         sp.appendChild(document.createTextNode(content));
  36       } else {
  37         node.appendChild(document.createTextNode(content));
  38       }
  39     };
  40   }
  41
  42   var lines = CodeMirror.splitLines(string), state = CodeMirror.startState(mode);
  43   for (var i = 0, e = lines.length; i < e; ++i) {
  44     if (i) callback("\n");
  45     var stream = new CodeMirror.StringStream(lines[i]);
  46     while (!stream.eol()) {
  47       var style = mode.token(stream, state);
  48       callback(stream.current(), style, i, stream.start);
  49       stream.start = stream.pos;
  50     }
  51   }
  52 };