base64-image-encode

#!/usr/bin/php
<?php
//
// usage: 
// navigate into the ./build/ directory und run the following command:
//
// php base64-image-encode > ../src/css/aloha.img-encode.css
//
// This will generate a CSS file named aloha.img-encode.css with the images encoded as base64 string
// If there are changes / images which are not available on the CDN please adjust the $url parameter.
//

if (!isCli()) {
	die('This is a command line utility');
}

// select your local or a public server
//$url = '/Users/Developer/Projects/Aloha-Editor/src/';
//$url = 'http://aloha.local/aloha-editor/';
$url = 'http://cdn.aloha-editor.org/latest/';

$css_file = 'aloha.css';

$css_orig = file_get_contents($url.'css/'.$css_file);
$css_base64 = str_replace('url(../', 'url('.$url.'', $css_orig);
$css_base64 = preg_replace("#url\(((\w+://)?(\w+)?([a-zA-Z0-9\-/?=_&%:\.]+)\.(png|gif|jpg))\)#e",
							"'url(data:image/\\5;base64,'.base64_encode(@file_get_contents('\\1')).')'",
							$css_base64);

echo $css_base64;

function isCli() {
	return php_sapi_name()==="cli";
}
?>