function test_Constants()
{
$this->dir('Constants');
$original = file_get_contents($this->dir() . 'in.css');
$expected = file_get_contents($this->dir() . 'out.css');
$css = Constants::pre_process($original);
$css = Constants::replace($css);
$this->assertEqual($css, $expected);
}
/**
* Parses @fors within the css
*
* @author Anthony Short
* @param $string
* @return string
*/
public static function parse($css)
{
if ($found = self::find_fors($css)) {
foreach ($found[0] as $key => $value) {
$s = "";
$constant = $found[1][$key];
$from = Constants::replace($found[2][$key]);
$to = Constants::replace($found[3][$key]);
$content = $found[6][$key];
for ($i = $from; $i <= $to; $i++) {
Constants::set($constant, $i);
$s .= Constants::replace($content);
}
$css = str_replace($found[0][$key], $s, $css);
}
}
return $css;
}
/**
* Parses the parameters of the base
*
* @author Anthony Short
* @param $params
* @return array
*/
public static function parse_params($mixin_name, $params, $function_args = array())
{
$parsed = array();
# Make sure any commas inside ()'s, such as rgba(255,255,255,0.5) are encoded before exploding
# so that it doesn't break the rule.
if (preg_match_all('/\\([^)]*?,[^)]*?\\)/', $params, $matches)) {
foreach ($matches as $key => $value) {
$original = $value;
$new = str_replace(',', '#COMMA#', $value);
$params = str_replace($original, $new, $params);
}
}
$mixin_params = $params != "" ? explode(',', $params) : array();
# Loop through each function arg and create the parsed params array
foreach ($function_args as $key => $value) {
$v = explode('=', $value);
# Remove the $ so we can set it as a constants
$v[0] = str_replace('$', '', $v[0]);
# If the user didn't include one of the params, we'll check to see if a default is available
if (count($mixin_params) == 0 || !isset($mixin_params[$key])) {
# If there is a default value for the param
if (strstr($value, '=')) {
$parsed_value = Constants::replace(Scaffold_Utils::unquote(trim($v[1])));
$parsed[trim($v[0])] = (string) $parsed_value;
} else {
throw new Exception("Missing mixin parameter - " . $mixin_name);
}
} else {
$value = (string) Scaffold_Utils::unquote(trim($mixin_params[$key]));
$parsed[trim($v[0])] = str_replace('#COMMA#', ',', $value);
}
}
return $parsed;
}
/**
* Parse the CSS
*
* @return string - The processes css file as a string
* @author Anthony Short
**/
public static function parse_css()
{
# If the cache is stale or doesn't exist
if (self::config('core.cache.mod_time') <= self::config('core.request.mod_time')) {
# Start the timer
Benchmark::start("parse_css");
# Compress it before parsing
CSS::compress(CSS::$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'));
}
}
}
}