function test_Mixins()
{
foreach ($this->load_files('Mixins') as $item) {
$out = str_replace('.css', '_out.css', $item);
$original = file_get_contents($item);
$expected = file_get_contents($out);
$css = Mixins::parse($original);
$css = Formatter::minify($css);
$expected = Formatter::minify($expected);
$this->assertEqual($expected, $css);
}
}
/**
* The main processing function called by Scaffold. MUST return $css!
*
* @author Anthony Short
* @return $css string
*/
public static function parse()
{
global $bases;
# This will store our nicely formated bases array
# This lets us loop through all the of +mixins and just
# pull in the properties of that mixin and then parse it individually
# based on the parameters
$bases = array();
# Finds any selectors starting with =mixin-name
if ($found = CSS::find_selectors('\\=(?P<name>[0-9a-zA-Z_-]*)(\\((?P<args>.*?)\\))?', 5)) {
# Just to make life a little easier
$full_base = $found[0];
$base_names = $found['name'];
$base_args = $found['args'];
$base_props = $found['properties'];
# Clean up memory
unset($found);
# Puts the mixin bases into a more suitable array
foreach ($base_names as $key => $value) {
$bases[$value]['properties'] = $base_props[$key];
# If there are mixin arguments, add them
$bases[$value]['params'] = $base_args[$key] != "" ? explode(',', $base_args[$key]) : array();
}
# Store this away for debugging
self::$mixins = $bases;
# Remove all of the mixin bases
CSS::remove($full_base);
# Clean up memory
unset($full_base, $base_names, $base_args, $base_props);
# Find the mixins
if ($mixins = self::find_mixins(CSS::$css)) {
# Loop through each of the found +mixins
foreach ($mixins[2] as $mixin_key => $mixin_name) {
CSS::replace($mixins[0][$mixin_key], self::build_mixins($mixin_key, $mixins));
}
# Remove all of the +mixins (if they still exist)
CSS::replace($mixins[0], '');
}
# Clean up
unset($bases, $mixins);
}
}
/**
* Extracts the mixin bases
*
* @param $param
* @return return type
*/
public static function extract_bases()
{
# Finds any selectors starting with =mixin-name
if ($found = Scaffold::$css->find_selectors('\\=(?P<name>[0-9a-zA-Z_-]*)(\\((?P<args>.*?)\\))?', 5)) {
# Just to make life a little easier
$full_base = $found[0];
$base_names = $found['name'];
$base_args = $found['args'];
$base_props = $found['properties'];
# Puts the mixin bases into a more suitable array
foreach ($base_names as $key => $value) {
$bases[$value]['properties'] = $base_props[$key];
# If there are mixin arguments, add them
$bases[$value]['params'] = $base_args[$key] != "" ? explode(',', $base_args[$key]) : array();
}
# Store this away for debugging
self::$mixins = $bases;
# Remove all of the mixin bases
Scaffold::$css->string = str_replace($full_base, '', Scaffold::$css);
}
}
/**
* Parse the CSS
*
* @return string - The processes css file as a string
* @author Anthony Short
**/
public static function parse_css()
{
# If the cache is stale or doesn't exist
if (self::config('core.cache.mod_time') <= self::config('core.request.mod_time')) {
# Start the timer
Benchmark::start("parse_css");
# Compress it before parsing
CSS::compress(CSS::$css);
# Import CSS files
Import::parse();
if (self::config('core.auto_include_mixins') === true) {
# Import the mixins in the plugin/module folders
Mixins::import_mixins('framework/mixins');
}
# Parse our css through the plugins
foreach (self::$plugins as $plugin) {
call_user_func(array($plugin, 'import_process'));
}
# Compress it before parsing
CSS::compress(CSS::$css);
# Parse the constants
Constants::parse();
foreach (self::$plugins as $plugin) {
call_user_func(array($plugin, 'pre_process'));
}
# Parse the @grid
Layout::parse_grid();
# Replace the constants
Constants::replace();
# Parse @for loops
Iteration::parse();
foreach (self::$plugins as $plugin) {
call_user_func(array($plugin, 'process'));
}
# Compress it before parsing
CSS::compress(CSS::$css);
# Parse the mixins
Mixins::parse();
# Find missing constants
Constants::replace();
# Compress it before parsing
CSS::compress(CSS::$css);
foreach (self::$plugins as $plugin) {
call_user_func(array($plugin, 'post_process'));
}
# Parse the expressions
Expression::parse();
# Parse the nested selectors
NestedSelectors::parse();
# Convert all url()'s to absolute paths if required
if (self::config('core.absolute_urls') === true) {
CSS::convert_to_absolute_urls();
}
# Replaces url()'s that start with ~ to lead to the CSS directory
CSS::replace_css_urls();
# Add the extra string we've been storing
CSS::$css .= CSS::$append;
# If they want to minify it
if (self::config('core.minify_css') === true) {
Minify::compress();
} else {
CSS::pretty();
}
# Formatting hook
foreach (self::$plugins as $plugin) {
call_user_func(array($plugin, 'formatting_process'));
}
# Validate the CSS
if (self::config('core.validate') === true) {
Validate::check();
}
# Stop the timer...
Benchmark::stop("parse_css");
if (self::config('core.show_header') === TRUE) {
CSS::$css = "/* Processed by CSScaffold on " . gmdate('r') . " in " . Benchmark::get("parse_css", "time") . " seconds */\n\n" . CSS::$css;
}
# Write the css file to the cache
self::cache_write(CSS::$css);
# Output process hook for plugins to display views.
# Doesn't run in production mode.
if (!IN_PRODUCTION) {
foreach (array_merge(self::$plugins, self::$modules) as $plugin) {
call_user_func(array($plugin, 'output'));
}
}
}
}