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coffeemug_docs.html
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<html>
<!-- This HTML generated with Coffee-Mug -->
<head>
<style>
body{
max-width: 960px;
font-family:Arial;
margin:0 auto;
padding:50px;
}
pre{
font-family:Lucida Console,Monaco,Consolas,Menlo,Liberation Mono,DejaVu Sans Mono,Bitstream Vera Sans Mono,monospace;
padding:10px;
}
pre.coffeescript{
background:wheat;
font-weight:bold;
}
pre.args{
background:lightblue;
}
pre.html{
background:aquamarine;
}
</style>
</head>
<body>
<table>
<tr>
<h1> Coffee-Mug </h1>
<h2> HTML Templating with CoffeeScript </h2>
</tr>
<tr>
<td colspan="9">
<pre class="coffeescript">@html ->
@body ->
@h1 'Coffeemug'</pre>
<a href="https://github.com/nickperkinslondon/coffee-mug"> github </a>
<br/>
<br/>
<p> Coffee-Mug is an alternative to conventional HTML templating in Javascript/Coffeescript.
It is both powerful and dangerous ( for the same reason ): templates are written in Coffeescript,
and are executed ( more-or-less ) directly. This gives the template writer
unlimited power to do loops, conditionals, functions,...anything. </p>
<p> Of course, with great power comes great responsibility.
If you are looking for a "sandboxed" template engine...this is not it. </p>
<p> Templates can be used in 2 ways: </p>
<p></p>
<p></p>
<p> 1) Template as a string: This is like conventional templating
-- the template is stored as text, probably in a file.
Coffeemug will compile the template using the Coffeescript compiler.
The resulting function will be then be called to generate the HTML. </p>
<p> 2) Template as a function. The template is actual code.
The template function retains whatever closure it had when declared.
In this mode, Coffeemug isn't really a "template engine" at all -- it's just a fast HTML generation library. </p>
<p> For example, here is a simple server for Node.js, where the "template"
is defined on-the-spot as an anonymous function: </p>
<pre class="coffeescript">
http = require 'http'
coffeemug = require './coffeemug'
srv = http.createServer (req,res)->
res.end coffeemug.render ->
@html ->
@head ->
@style """
body{
font-family:Arial;
}
"""
@body ->
@h1 'CoffeeMug'
@h2 'Write HTML with Coffeescript'
srv.listen 8001,'0.0.0.0'
</pre>
<p> The above code is in 'example_server.coffee', and you can run it </p>
<p> The following examples are the actual test suite for the package: </p>
</td>
</tr>
<tr>
<td colspan="9">
<hr/>
</td>
</tr>
<tr>
<td colspan="9">
<h3> Templates are pure Coffeescript, so indentation is significant: </h3>
</td>
</tr>
<tr>
<td> Coffeemug Template: </td>
<td>
<pre class="coffeescript">@html ->
@body ->
@h1 'Coffeemug'
</pre>
</td>
</tr>
<tr>
<td> Rendered HTML: </td>
<td>
<pre class="html"><html>
<body>
<h1> Coffeemug </h1>
</body>
</html>
</pre>
</td>
</tr>
<tr>
<td>
<p>
</p>
</td>
</tr>
<tr>
<td colspan="9">
<hr/>
</td>
</tr>
<tr>
<td colspan="9">
<h3> ...but you can do stuff on one line: </h3>
</td>
</tr>
<tr>
<td> Coffeemug Template: </td>
<td>
<pre class="coffeescript">@html -> @body -> @h1 'Coffeemug'
</pre>
</td>
</tr>
<tr>
<td> Rendered HTML: </td>
<td>
<pre class="html"><html>
<body>
<h1> Coffeemug </h1>
</body>
</html>
</pre>
</td>
</tr>
<tr>
<td>
<p>
</p>
</td>
</tr>
<tr>
<td colspan="9">
<hr/>
</td>
</tr>
<tr>
<td colspan="9">
<h3> Tag attributes are easy: </h3>
</td>
</tr>
<tr>
<td> Coffeemug Template: </td>
<td>
<pre class="coffeescript">@html ->
@body ->
@div
id:'the-div'
class:'regular'
style:'border:1px solid black'</pre>
</td>
</tr>
<tr>
<td> Rendered HTML: </td>
<td>
<pre class="html"><html>
<body>
<div id="the-div" class="regular" style="border:1px solid black"></div>
</body>
</html>
</pre>
</td>
</tr>
<tr>
<td>
<p>
</p>
</td>
</tr>
<tr>
<td colspan="9">
<hr/>
</td>
</tr>
<tr>
<td colspan="9">
<h3> Tag attributes plus content: </h3>
</td>
</tr>
<tr>
<td> Coffeemug Template: </td>
<td>
<pre class="coffeescript">@html ->
@body ->
@div
id:'the-div'
class:'regular'
style:'border:1px solid black'
->
@h1 'Coffeemug'</pre>
</td>
</tr>
<tr>
<td> Rendered HTML: </td>
<td>
<pre class="html"><html>
<body>
<div id="the-div" class="regular" style="border:1px solid black">
<h1> Coffeemug </h1>
</div>
</body>
</html>
</pre>
</td>
</tr>
<tr>
<td>
<p>
</p>
</td>
</tr>
<tr>
<td colspan="9">
<hr/>
</td>
</tr>
<tr>
<td colspan="9">
<h3> Scripts are converted to Javascript: </h3>
</td>
</tr>
<tr>
<td> Coffeemug Template: </td>
<td>
<pre class="coffeescript">@html ->
@head ->
@script ->
square = (x) -> x * x
n = square 3
alert "the number is: #{n}"</pre>
</td>
</tr>
<tr>
<td> Rendered HTML: </td>
<td>
<pre class="html"><html>
<head>
<script>(function () {
var n, square;
square = function(x) {
return x * x;
};
n = square(3);
return alert("the number is: " + n);
})();
</script>
</head>
</html>
</pre>
</td>
</tr>
<tr>
<td>
<p>
</p>
</td>
</tr>
<tr>
<td colspan="9">
<hr/>
</td>
</tr>
<tr>
<td colspan="9">
<h3> Template can take an argument: </h3>
</td>
</tr>
<tr>
<td> Coffeemug Template: </td>
<td>
<pre class="coffeescript">(title)->
@html ->
@head ->
@body ->
@h1 title
</pre>
</td>
</tr>
<tr>
<td> Arguments: </td>
<td>
<pre class="args">[ 'Coffeemug' ]</pre>
</td>
</tr>
<tr>
<td> Rendered HTML: </td>
<td>
<pre class="html"><html>
<head>
</head>
<body>
<h1> Coffeemug </h1>
</body>
</html>
</pre>
</td>
</tr>
<tr>
<td>
<p>
</p>
</td>
</tr>
<tr>
<td colspan="9">
<hr/>
</td>
</tr>
<tr>
<td colspan="9">
<h3> Template with two arguments: </h3>
</td>
</tr>
<tr>
<td> Coffeemug Template: </td>
<td>
<pre class="coffeescript">(title,subtitle)->
@html ->
@head ->
@body ->
@h1 title
@h2 subtitle</pre>
</td>
</tr>
<tr>
<td> Arguments: </td>
<td>
<pre class="args">[ 'CoffeeMug', 'the anti-template' ]</pre>
</td>
</tr>
<tr>
<td> Rendered HTML: </td>
<td>
<pre class="html"><html>
<head>
</head>
<body>
<h1> CoffeeMug </h1>
<h2> the anti-template </h2>
</body>
</html>
</pre>
</td>
</tr>
<tr>
<td>
<p>
</p>
</td>
</tr>
<tr>
<td colspan="9">
<hr/>
</td>
</tr>
<tr>
<td colspan="9">
<h3> Template with any number of (...) arguments: </h3>
</td>
</tr>
<tr>
<td> Coffeemug Template: </td>
<td>
<pre class="coffeescript">
(things...)->
@html ->
@body ->
@ul ->
for thing in things
@li thing</pre>
</td>
</tr>
<tr>
<td> Arguments: </td>
<td>
<pre class="args">[ 'one', 'two', 'three' ]</pre>
</td>
</tr>
<tr>
<td> Rendered HTML: </td>
<td>
<pre class="html"><html>
<body>
<ul>
<li> one </li>
<li> two </li>
<li> three </li>
</ul>
</body>
</html>
</pre>
</td>
</tr>
<tr>
<td>
<p>
</p>
</td>
</tr>
<tr>
<td colspan="9">
<hr/>
</td>
</tr>
<tr>
<td colspan="9">
<h3> Argument can be an object: </h3>
</td>
</tr>
<tr>
<td> Coffeemug Template: </td>
<td>
<pre class="coffeescript">
(data)->
@html ->
@body ->
@h1 data.title
@h2 data.subtitle</pre>
</td>
</tr>
<tr>
<td> Arguments: </td>
<td>
<pre class="args">[ { title: 'CoffeeMug',
subtitle: 'pure coffeescript html templating' } ]</pre>
</td>
</tr>
<tr>
<td> Rendered HTML: </td>
<td>
<pre class="html"><html>
<body>
<h1> CoffeeMug </h1>
<h2> pure coffeescript html templating </h2>
</body>
</html>
</pre>
</td>
</tr>
<tr>
<td>
<p>
</p>
</td>
</tr>
<tr>
<td colspan="9">
<hr/>
</td>
</tr>
<tr>
<td colspan="9">
<h3> Argument object could be helper functions: </h3>
</td>
</tr>
<tr>
<td> Coffeemug Template: </td>
<td>
<pre class="coffeescript">(helpers)->
@html ->
@body ->
@h1 helpers.capitalize 'coffeemug'
@h2 helpers.format_money 0</pre>
</td>
</tr>
<tr>
<td> Arguments: </td>
<td>
<pre class="args">[ { format_money: [Function], capitalize: [Function] } ]</pre>
</td>
</tr>
<tr>
<td> Rendered HTML: </td>
<td>
<pre class="html"><html>
<body>
<h1> Coffeemug </h1>
<h2> $0 </h2>
</body>
</html>
</pre>
</td>
</tr>
<tr>
<td>
<p>
</p>
</td>
</tr>
<tr>
<td colspan="9">
<hr/>
</td>
</tr>
<tr>
<td colspan="9">
<h3> Templates may define local functions and call them with args: </h3>
</td>
</tr>
<tr>
<td> Coffeemug Template: </td>
<td>
<pre class="coffeescript">(name,address)->
make_title=(s)->
@h1 s
make_subtitle=(s)->
@h2 s
@html ->
@body ->
@call make_title, name
@call make_subtitle, address</pre>
</td>
</tr>
<tr>
<td> Arguments: </td>
<td>
<pre class="args">[ 'Nick', 'Canada' ]</pre>
</td>
</tr>
<tr>
<td> Rendered HTML: </td>
<td>
<pre class="html"><html>
<body>
<h1> Nick </h1>
<h2> Canada </h2>
</body>
</html>
</pre>
</td>
</tr>
<tr>
<td>
<p>
</p>
</td>
</tr>
<tr>
<td colspan="9">
<hr/>
</td>
</tr>
<tr>
<td colspan="9">
<h3> comments: </h3>
</td>
</tr>
<tr>
<td> Coffeemug Template: </td>
<td>
<pre class="coffeescript">@html ->
@head ->
@comment "This is a comment"
</pre>
</td>
</tr>
<tr>
<td> Rendered HTML: </td>
<td>
<pre class="html"><html>
<head>
<!-- This is a comment -->
</head>
</html>
</pre>
</td>
</tr>
<tr>
<td>
<p>
</p>
</td>
</tr>
<tr>
<td colspan="9">
<hr/>
</td>
</tr>
<tr>
<td colspan="9">
<h3> nothing is nothing: </h3>
</td>
</tr>
<tr>
<td> Coffeemug Template: </td>
<td>
<pre class="coffeescript"></pre>
</td>
</tr>
<tr>
<td> Rendered HTML: </td>
<td>
<pre class="html"></pre>
</td>
</tr>
<tr>
<td>
<p>
</p>
</td>
</tr>
<tr>
<td colspan="9">
<hr/>
</td>
</tr>
<tr>
<td colspan="9">
<h3> text: </h3>
</td>
</tr>
<tr>
<td> Coffeemug Template: </td>
<td>
<pre class="coffeescript">@text "abc"</pre>
</td>
</tr>
<tr>
<td> Rendered HTML: </td>
<td>
<pre class="html">abc</pre>
</td>
</tr>
<tr>
<td>
<p>
</p>
</td>
</tr>
<tr>
<td colspan="9">
<hr/>
</td>
</tr>
<tr>
<td colspan="9">
<h3> doctype: </h3>
</td>
</tr>
<tr>
<td> Coffeemug Template: </td>
<td>
<pre class="coffeescript">@doctype 'html'
@html ->
@body -></pre>
</td>
</tr>
<tr>
<td> Rendered HTML: </td>
<td>
<pre class="html"><!DOCTYPE html>
<html>
<body>
</body>
</html>
</pre>
</td>
</tr>
<tr>
<td>
<p>
</p>
</td>
</tr>
<tr>
<td colspan="9">
<hr/>
</td>
</tr>
<tr>
<td colspan="9">
<h3> escaping: </h3>
</td>
</tr>
<tr>
<td> Coffeemug Template: </td>
<td>
<pre class="coffeescript">@pre @escape "<h1>"
</pre>
</td>
</tr>
<tr>
<td> Rendered HTML: </td>
<td>
<pre class="html"><pre>&lt;h1&gt;</pre>
</pre>
</td>
</tr>
<tr>
<td>
<p>
</p>
</td>
</tr>
<tr>
<td colspan="9">
<hr/>
</td>
</tr>
<tr>
<td colspan="9">
<h3> invalid coffeescript: </h3>
</td>
</tr>
<tr>
<td> Coffeemug Template: </td>
<td>
<pre class="coffeescript">123abc***</pre>
</td>
</tr>
<tr>
<td> Rendered HTML: </td>
<td>
<pre class="html">Error: Compiling Coffeemug Template
Error: Parse error on line 1: Unexpected 'IDENTIFIER'
123abc***</pre>
</td>
</tr>
<tr>
<td>
<p>
</p>
</td>
</tr>
<tr>
<td colspan="9">
<hr/>
</td>
</tr>
<tr>
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<h3> run-time exception: </h3>
</td>
</tr>
<tr>
<td> Coffeemug Template: </td>
<td>
<pre class="coffeescript">fds fds fds</pre>
</td>
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<td> Rendered HTML: </td>
<td>
<pre class="html">ReferenceError: fds is not defined</pre>
</td>
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<p>
</p>
</td>
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<td colspan="9">
<hr/>
</td>
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<td colspan="9">
<h3> typical anchor: </h3>
</td>
</tr>
<tr>
<td> Coffeemug Template: </td>
<td>
<pre class="coffeescript">@a href:"www.google.com", "Google"</pre>
</td>
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<td> Rendered HTML: </td>
<td>
<pre class="html"><a href="www.google.com"> Google </a>
</pre>
</td>
</tr>
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<td>
<p>
</p>
</td>
</tr>
<tr>
<td colspan="9">
<hr/>
</td>
</tr>
<tr>
<td colspan="9">
<h3> attributes plus function content: </h3>
</td>
</tr>
<tr>
<td> Coffeemug Template: </td>
<td>
<pre class="coffeescript">@a href:"www.google.com", ->
@h3 "Google"</pre>
</td>
</tr>
<tr>
<td> Rendered HTML: </td>
<td>
<pre class="html"><a href="www.google.com">
<h3> Google </h3>
</a>
</pre>
</td>
</tr>
<tr>
<td>
<p>
</p>
</td>
</tr>
<tr>
<td colspan="9">
<hr/>
</td>
</tr>
</table>
</body>
<p>This page itself is generated with Coffee-Mug, by
<a href="https://github.com/nickperkinslondon/coffee-mug/blob/master/generate_docs.coffee">generate_docs.coffee
</a>
</p>
</html>