public static function check()
{
if (!IN_PRODUCTION) {
# Clean it up so we can use the line numbers
CSS::pretty();
# Get the validator options from the config
$validator_options = CSScaffold::config('Validate');
# Add our options
$validator_options['text'] = CSS::$css;
$validator_options['output'] = 'soap12';
# Encode them
$validator_options = http_build_query($validator_options);
$url = "http://jigsaw.w3.org/css-validator/validator?{$validator_options}";
# The Curl options
$options = array(CURLOPT_URL => $url, CURLOPT_RETURNTRANSFER => 1);
# Start CURL
$handle = curl_init();
# Set the CURL options
curl_setopt_array($handle, $options);
# Store the response in a buffer
$buffer = curl_exec($handle);
# Close it
curl_close($handle);
# If something was returned
if (!empty($buffer)) {
# Simplexml doesn't like colons
$buffer = preg_replace("/(<\\/?)(\\w+):([^>]*>)/", "\$1\$2\$3", $buffer);
# Let it be xml!
$results = simplexml_load_string($buffer);
# Is it valid?
$is_valid = (string) $results->envBody->mcssvalidationresponse->mvalidity;
# Oh noes! Display the errors
if ($is_valid == "false") {
# Lets get the errors into a nice array
$errors = $results->envBody->mcssvalidationresponse->mresult->merrors;
# Number of errors
$count = (int) $errors->merrorcount;
# Start creating the output message
$message = "<ol>";
foreach ($errors->merrorlist->merror as $key => $error) {
$message .= "<li><strong>" . trim((string) $error->mmessage) . "</strong> line " . (string) $error->mline . " near " . (string) $error->mcontext . "</li>";
}
$message .= "</ol>";
# Throw an error
throw new Scaffold_User_Exception("CSS is not valid - {$count} errors", $message);
}
}
}
}
/**
* Parse the CSS
*
* @return string - The processes css file as a string
* @author Anthony Short
**/
public static function parse_css()
{
# If the cache is stale or doesn't exist
if (self::config('core.cache.mod_time') <= self::config('core.request.mod_time')) {
# Start the timer
Benchmark::start("parse_css");
# Compress it before parsing
CSS::compress(CSS::$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'));
}
}
}
}
</code></pre>
<?php
}
?>
</div>
<div class="content">
<?php
if (isset($trace)) {
echo "<h2>Back Trace</h2>";
echo $trace;
}
?>
</div>
<?php
if (CSS::$css != "") {
?>
<div class="content">
<h2>CSS</h2>
<pre><code><?php
echo CSS::pretty(true);
?>
</code></pre>
</div>
<?php
}
?>
</body>
</html>