ace get linear caret position wot?

gistfile1.txt

    getCharPos1: function() {
        // Get cursor position
        var charPos = 0;
        var cursorPos = this.editor.getCursorPosition();
        for (var i=0; i<cursorPos.row; i++){
          charPos += this.editor.session.$rowLengthCache[i]; // +1 for newline
        }
        charPos += cursorPos.column + cursorPos.row; // Add row count to compensate for newlines

        return charPos;
    },

    caretPos2: function(){
      var cursorPos = this.editor.getCursorPosition();
      var col = cursorPos.column;
      var row = cursorPos.row;

      var doc = this.editor.session.doc;
      var lines = doc.$lines;
      var newlineLength = doc.$autoNewLine.length;
      var pos = 0;

      for (var y=0; y<row; ++y) {
        var line = lines[y].length;
        pos += line;
      }
      pos += newlineLength * y;
      pos += col;

      return pos;
    },