<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<script src="js/highlight.js" type="text/javascript"></script>
<script src="js/stringstream.js" type="text/javascript"></script>
<script src="js/tokenize.js" type="text/javascript"></script>
<script src="js/tokenizejavascript.js" type="text/javascript"></script>
<script src="js/parsejavascript.js" type="text/javascript"></script>
<title>CodeMirror: String highlight demonstration</title>
<link rel="stylesheet" type="text/css" href="css/jscolors.css"/>
</head>
<body style="padding: 20px;">
<div style="border: 1px solid black; padding: .4em;">
<textarea id="code" cols="120" rows="20" style="border-width: 0">
// Demo for running a CodeMirror parser over a piece of code without
// creating an actual editor.
(function(){
function normaliseString(string) {
var tab = "";
for (var i = 0; i < indentUnit; i++) tab += " ";
string = string.replace(/\t/g, tab).replace(/\u00a0/g, " ").replace(/\r\n?/g, "\n");
var pos = 0, parts = [], lines = string.split("\n");
for (var line = 0; line < lines.length; line++) {
if (line != 0) parts.push("\n");
parts.push(lines[line]);
}
return {
next: function() {
if (pos < parts.length) return parts[pos++];
else throw StopIteration;
}
};
}
window.highlightText = function(string, output, parser) {
var parser = (parser || Editor.Parser).make(stringStream(normaliseString(string)));
try {
while (true) {
var token = parser.next();
var span = document.createElement("SPAN");
span.className = token.style;
span.appendChild(document.createTextNode(token.value));
output.appendChild(span);
}
}
catch (e) {
if (e != StopIteration) throw e;
}
}
})();
</textarea>
</div>
<button onclick="highlight()">Run highlighter</button>
<div>
<div id="numbers" style="float: left; width: 2em; margin-right: .5em; text-align: right; font-family: monospace; color: #CCC;"></div>
<pre id="output" style="font-family: monospace"></pre>
</div>
<script type="text/javascript">
// Simple hack to demonstrate adding line numbers. Just pass the DOM node as
// the second argument to highlightText when you don't need those
function highlight() {
var lineNo = 1, output = document.getElementById("output"), numbers = document.getElementById("numbers");
output.innerHTML = numbers.innerHTML = "";
function addLine(line) {
numbers.appendChild(document.createTextNode(String(lineNo++)));
numbers.appendChild(document.createElement("BR"));
for (var i = 0; i < line.length; i++) output.appendChild(line[i]);
output.appendChild(document.createElement("BR"));
}
highlightText(document.getElementById("code").value, addLine);
}
</script>
</body>
</html>