1.0.3 • Public • Published

XML Less Ugly (xmugly)

Xmugly is a simpler syntax for writing XML or HTML files. It also supports "attribute" macros that allow you to create shortcuts for common attributes and their values. The xmugly syntax is especially useful for writing XML documents with lots of elements with only attributes and no children.

The Syntax

Consider the following xmugly snippet:

. scene id start :
    . show asset Cindy, duration 200
    . wait
    . move asset Cindy, x 50%, y 50%

It will be translated to the following XML snippet:

<scene id="start">
    <show asset="Cindy" duration="200" />
    <wait />
    <move asset="Cindy" x="50%" y="50%" />

Of course you can also use XML directly in cases where it might be a better fit (e.g. heavily nested stuff that needs to be on one line):

. book :
    . author firstName Joe, lastName Hill

Of course attribute values can be more than just a word:

. div class foo bar baz, id myDiv :
<div class="foo bar baz" id="myDiv">

If your attribute value needs to contain a comma, you can put the value in quotation marks:

. tag add "foo, bar", remove baz
<tag add="foo, bar" remove="baz" />

Last but not least you can use "attribute macros" to make the syntax even terser:

~ # id _
~ @ asset _
~ : duration _
. scene #start :
    . show @Cindy, :200
    . wait
    . move @Cindy, x 50%, y 50%

These macros are defined by writing a ~ followed by a special character, the attribute name and then its value. If the attribute name or value contains only an underscore, the underscore will be replaced by whatever is followed after the special character in the xmugly file.

Here are some examples for macros and how they translate to XML attributes:

~ # id _
. a #foo
<a id="foo" />

~ ? _ _
. a ?foo
<a foo="foo" />

~ + _ true
. stage +create
<stage create="true" />

~ ^ target _blank
. a href example.com, ^ :
    My Website
<a href="example.com" target="_blank">
    My Website



npm install -g xmugly


<script src="path/to/xmugy/build/xmugly.js"></script>

Usage as a command line tool

xmugly my_file.xmugly > my_file.xml



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npm i xmugly

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  • jsteinbeck