/**
* Takes a CSS string, rewrites all URL's using Scaffold's built-in find_file method
*
* @author Anthony Short
* @param $css
* @return $css string
*/
public static function formatting_process()
{
# The absolute url to the directory of the current CSS file
$dirPath = SCAFFOLD_DOCROOT . Scaffold::url_path(Scaffold::$css->path);
$dir = rtrim(SCAFFOLD_URLPATH, '\\/') . '/' . str_replace(rtrim(SCAFFOLD_DOCROOT, '\\/') . DIRECTORY_SEPARATOR, '', Scaffold::$css->path);
//$dir = str_replace('\\', '/', SCAFFOLD_URLPATH . str_replace(SCAFFOLD_DOCROOT, '', Scaffold::$css->path));
# @imports - Thanks to the guys from Minify for the regex :)
if (preg_match_all('/
@import\\s+
(?:url\\(\\s*)? # maybe url(
[\'"]? # maybe quote
(.*?) # 1 = URI
[\'"]? # maybe end quote
(?:\\s*\\))? # maybe )
([a-zA-Z,\\s]*)? # 2 = media list
; # end token
/x', Scaffold::$css->string, $found)) {
foreach ($found[1] as $key => $value) {
# Should we skip it
if (self::skip($value)) {
continue;
}
$media = $found[2][$key] == "" ? '' : ' ' . preg_replace('/\\s+/', '', $found[2][$key]);
# Absolute path
$absolute = self::up_directory($dir, substr_count($url, '..' . DIRECTORY_SEPARATOR, 0)) . str_replace('..' . DIRECTORY_SEPARATOR, '', $url);
$absolute = str_replace('\\', '/', $absolute);
# Rewrite it
# Webligo - PHP5.1 compat
Scaffold::$css->string = str_replace($found[0][$key], '@import \'' . $absolute . '\'' . $media . ';', Scaffold::$css->string);
}
}
# Convert all url()'s to absolute paths if required
if (preg_match_all('/url\\(\\s*([^\\)\\s]+)\\s*\\)/', Scaffold::$css->__toString(), $found)) {
foreach ($found[1] as $key => $value) {
// START - Webligo Developments
$original = $found[0][$key];
$url = Scaffold_Utils::unquote($value);
# Absolute Path
if (self::skip($url)) {
continue;
}
# home path
if ($url[0] == '~' && $url[1] == '/') {
$absolute = str_replace('\\', '/', rtrim(SCAFFOLD_URLPATH, '/\\') . '/' . ltrim($url, '~/'));
$absolutePath = rtrim(SCAFFOLD_DOCROOT, '/\\') . DIRECTORY_SEPARATOR . ltrim($url, '~/');
} else {
$absolute = str_replace('\\', '/', self::up_directory($dir, substr_count($url, '..' . DIRECTORY_SEPARATOR, 0)) . str_replace('..' . DIRECTORY_SEPARATOR, '', $url));
$absolutePath = self::up_directory($dirPath, substr_count($url, '..' . DIRECTORY_SEPARATOR, 0)) . str_replace('..' . DIRECTORY_SEPARATOR, '', $url);
}
# If the file doesn't exist
if (!Scaffold::find_file($absolutePath)) {
Scaffold::log("Missing image - {$absolute} / {$absolutePath}", 1);
}
# Rewrite it
Scaffold::$css->string = str_replace($original, 'url(' . $absolute . ')', Scaffold::$css->string);
# Webligo - PHP5.1 compat
// END - Webligo Developments
}
}
}
/**
* Imports css via @import statements
*
* @author Anthony Short
* @param $css
*/
public static function server_import($css, $base)
{
if (preg_match_all('/\\@include\\s+(?:\'|\\")([^\'\\"]+)(?:\'|\\")\\;/', $css, $matches)) {
$unique = array_unique($matches[1]);
$include = str_replace("\\", "/", Scaffold_Utils::unquote($unique[0]));
# If they haven't supplied an extension, we'll assume its a css file
if (pathinfo($include, PATHINFO_EXTENSION) == "") {
$include .= '.css';
}
# Make sure it's a CSS file
if (pathinfo($include, PATHINFO_EXTENSION) != 'css') {
$css = str_replace($matches[0][0], '', $css);
Scaffold::log('Invalid @include file - ' . $include);
self::server_import($css, $base);
}
# Find the file
if ($path = Scaffold::find_file($include, $base)) {
# Make sure it hasn't already been included
if (!in_array($path, self::$loaded)) {
self::$loaded[] = $path;
$contents = file_get_contents($path);
# Check the file again for more imports
$contents = self::server_import($contents, realpath(dirname($path)) . '/');
$css = str_replace($matches[0][0], $contents, $css);
} else {
$css = str_replace($matches[0][0], '', $css);
}
} else {
Scaffold::error('Can\'t find the @include file - <strong>' . $unique[0] . '</strong>');
}
$css = self::server_import($css, $base);
}
return $css;
}
/**
* Sets up the cache path
*
* @return return type
*/
public function setup($path, $lifetime)
{
if (!is_dir($path)) {
Scaffold::log("Cache path does not exist. {$path}", 0);
}
if (!is_writable($path)) {
Scaffold::log("Cache path is not writable. {$path}", 0);
}
self::$cache_path = $path;
self::lifetime($lifetime);
}
/**
* Takes a CSS string, rewrites all URL's using Scaffold's built-in find_file method
*
* @author Anthony Short
* @param $css
* @return $css string
*/
public static function formatting_process()
{
# The absolute url to the directory of the current CSS file
$dir = Scaffold::url_path(Scaffold::$css->path);
# @imports - Thanks to the guys from Minify for the regex :)
if (preg_match_all('/
@import\\s+
(?:url\\(\\s*)? # maybe url(
[\'"]? # maybe quote
(.*?) # 1 = URI
[\'"]? # maybe end quote
(?:\\s*\\))? # maybe )
([a-zA-Z,\\s]*)? # 2 = media list
; # end token
/x', Scaffold::$css, $found)) {
foreach ($found[1] as $key => $value) {
# Should we skip it
if (self::skip($value)) {
continue;
}
$media = $found[2][$key] == "" ? '' : ' ' . preg_replace('/\\s+/', '', $found[2][$key]);
# Absolute path
$absolute = self::up_directory($dir, substr_count($value, '..' . DIRECTORY_SEPARATOR, 0)) . str_replace('..' . DIRECTORY_SEPARATOR, '', $value);
# Rewrite it
Scaffold::$css->string = str_replace($found[0][$key], '@import \'' . $absolute . '\'' . $media . ';', Scaffold::$css);
}
}
# Convert all url()'s to absolute paths if required
if (preg_match_all('/url\\(\\s*([^\\)\\s]+)\\s*\\)/', Scaffold::$css, $found)) {
foreach ($found[1] as $key => $value) {
$url = Scaffold_Utils::unquote($value);
# Absolute Path
if (self::skip($url)) {
continue;
}
# Absolute path
$absolute = self::up_directory($dir, substr_count($url, '..' . DIRECTORY_SEPARATOR, 0)) . str_replace('..' . DIRECTORY_SEPARATOR, '', $url);
# If the file doesn't exist
if (!Scaffold::find_file($absolute)) {
Scaffold::log("Missing image - {$absolute}", 1);
}
# Rewrite it
Scaffold::$css->string = str_replace($found[0][$key], 'url(' . $absolute . ')', Scaffold::$css);
}
}
}
public static function display()
{
if (Scaffold::option('validate')) {
# Get the validator options from the config
$validator_options = Scaffold::$config['Validate']['options'];
# Add our options
$validator_options['text'] = Scaffold::$output;
$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
$handle = curl_init();
curl_setopt_array($handle, $options);
$buffer = curl_exec($handle);
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_valid = (string) $results->envBody->mcssvalidationresponse->mvalidity;
# Oh noes! Display the errors
if ($is_valid == "false") {
$errors = $results->envBody->mcssvalidationresponse->mresult->merrors;
foreach ($errors->merrorlist->merror as $key => $error) {
$line = (string) $error->mline;
$message = trim((string) $error->mmessage);
$near = (string) $error->mcontext;
self::$errors[] = array('line' => $line, 'near' => $near, 'message' => $message);
Scaffold::log("Validation Error on line {$line} near {$near} => {$message}", 1);
}
}
}
}
}
/**
* Replaces the mixins with their properties
*
* @author Anthony Short
* @param $mixin_key - The bases array key corrosponding to the current mixin
* @param $mixins - An array of found mixins
* @return string
*/
public static function build_mixins($mixin_key, $mixins, $already_mixed = array())
{
$bases =& self::$mixins;
$mixin_name = $mixins[2][$mixin_key];
if (isset($bases[$mixin_name])) {
$base_properties = $bases[$mixin_name]['properties'];
# If there is no base for that mixin and we aren't in a recursion loop
if (is_array($bases[$mixin_name]) and !in_array($mixin_name, $already_mixed)) {
$already_mixed[] = $mixin_name;
# Parse the parameters of the mixin
$params = self::parse_params($mixins[0][$mixin_key], $mixins[4][$mixin_key], $bases[$mixin_name]['params']);
# Set the parameters as constants
foreach ($params as $key => $value) {
Constants::set($key, (string) $value);
}
$new_properties = Constants::replace($base_properties);
# Unset the parameters as constants
foreach ($params as $key => $value) {
Constants::remove($key);
}
# Parse conditionals if there are any in there
$new_properties = self::parse_conditionals($new_properties);
# Find nested mixins
if ($inner_mixins = self::find_mixins($new_properties)) {
# Loop through all the ones we found, skipping on recursion by passing
# through the current mixin we're working on
foreach ($inner_mixins[0] as $key => $value) {
# Parse the mixin and replace it within the property string
$new_properties = str_replace($value, self::build_mixins($key, $inner_mixins, $already_mixed), $new_properties);
}
}
# Clean up memory
unset($inner_mixins, $params, $mixins);
return preg_replace('/^(\\s|\\n|\\r)*|(\\n|\\r|\\s)*$/', '', $new_properties);
} elseif (in_array($mixin_name, $already_mixed)) {
Scaffold::log('Recursion in mixin - ' . $mixin_name, 1);
}
} else {
Scaffold::log('Missing mixin - ' . $mixin_name, 2);
}
}
/**
* Loads constants from an XML file
*
* @param $param
* @return return type
*/
private static function load_xml_constants($file)
{
if ($file === false) {
return;
}
# If the xml file doesn't exist
if (!file_exists($file)) {
Scaffold::log("Missing constants XML file. The file ({$file}) doesn't exist.", 1);
return;
}
# Load the xml
$xml = simplexml_load_file($file);
# Loop through them and set them as constants
foreach ($xml->constant as $key => $value) {
self::set((string) $value->name, (string) $value->value);
}
}
