/**
* 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;
}
/**
* 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
}
}
}
/**
* Parses enumerate()'s within the CSS. Enumerate
* lets you build a selector based on a start and end
* number. Like columns-1 through columns-12.
*
* enumerate('.name-',1,3) { properties }
*
* Will produce something like:
*
* .name-1, .name-2, .name-3 { properties }
*
* @param $string
* @param $min
* @param $max
* @param $sep
* @return string
*/
function Scaffold_enumerate($string, $min, $max, $sep = ",")
{
$ret = array();
$string = Scaffold_Utils::unquote($string);
for ($i = $min; $i <= $max; $i++) {
$ret[] = $string . $i;
}
return implode($sep, $ret);
}
/**
* Embeds a file in the CSS using Base64
*
* @param $file
* @return string
*/
function Scaffold_embed($file)
{
$path = Scaffold::find_file(Scaffold_Utils::unquote($file));
# Couldn't find it
if ($path === false) {
return false;
}
$data = 'data:image/' . pathinfo($path, PATHINFO_EXTENSION) . ';base64,' . base64_encode(file_get_contents($path));
return "url(" . $data . ")";
}
/**
* Get or set the logging directory.
*
* @param string new log directory
* @return string
*/
public static function log_directory($dir = NULL)
{
if (!empty($dir)) {
// Get the directory path
$dir = Scaffold_Utils::fix_path($dir);
if (is_dir($dir) and is_writable($dir)) {
// Change the log directory
self::$log_directory = $dir;
}
}
if (isset(self::$log_directory)) {
return self::$log_directory;
}
}
/**
* 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);
}
}
}
/**
* Adds a path to the include paths list
*
* @param $path The server path to add
* @return void
*/
public static function add_include_path($path)
{
if (func_num_args() > 1) {
$args = func_get_args();
foreach ($args as $inc) {
self::add_include_path($inc);
}
}
if (is_file($path)) {
$path = dirname($path);
}
if (!in_array($path, self::$include_paths)) {
self::$include_paths[] = Scaffold_Utils::fix_path($path);
}
}
/**
* 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;
}
/**
* Replaces all of the constants in a CSS string
* with the constants defined in the member variable $constants
* using PHP's interpolation.
*/
public static function replace($css)
{
// START - Modified by Webligo Developments
# Strip SVN Keywords
$css = preg_replace('/[$][a-z]+?[:].+?[$]/i', '', $css);
//preg_match('/[$][a-z]+?[:].+?[$]/i', $css, $m);
// END - Modified by Webligo Developments
# Pull the constants into the local scope as variables
extract(self::$constants, EXTR_SKIP);
# Remove unset variables from the string, so errors aren't thrown
foreach (array_unique(Scaffold_Utils::match('/\\{?\\$([A-Za-z0-9_-]+)\\}?/', $css, 1)) as $value) {
if (!isset(${$value})) {
Scaffold::error('Missing constant - ' . $value);
}
}
$css = stripslashes(eval('return "' . addslashes($css) . '";'));
# Replace the variables within the string like a normal PHP string
return $css;
}
* Various options can be set in the URL. Scaffold
* itself doesn't use these, but they are handy hooks
* for modules to activate functionality if they are
* present.
*/
$options = isset($_GET['options']) ? array_flip(explode(',', $_GET['options'])) : array();
/**
* Whether to output the CSS, or return the result of Scaffold
*/
$display = true;
/**
* Set a base directory
*/
if (isset($_GET['d'])) {
foreach ($files as $key => $file) {
$files[$key] = Scaffold_Utils::join_path($_GET['d'], $file);
}
}
/**
* Parse and join an array of files
*/
$result = Scaffold::parse($files, $config, $options, $display);
if ($display === false) {
stop($result);
}
}
/**
* Prints out the value and exits.
*
* @author Anthony Short
* @param $var
/**
* Finds all properties within a css string
*
* @author Anthony Short
* @param $property string
* @param $css string
*/
public function find_property($property)
{
if (preg_match_all('/(' . Scaffold_Utils::preg_quote($property) . ')\\s*\\:\\s*(.*?)\\s*\\;/sx', $this->string, $matches)) {
return (array) $matches;
} else {
return array();
}
}
function testReadableSize()
{
$this->assertEqual(Scaffold_Utils::readable_size(1), '1 bytes');
}
/**
* Logs info about a file
*
* @author Anthony Short
* @param $file
* @return void
*/
private static function _file($file, $name = false)
{
if ($name === false) {
$name = $file;
}
# Log about the compiled file
$contents = file_get_contents($file);
$gzipped = gzcompress($contents, 9);
$table = array();
$table[] = array('Name', 'Value');
$table[] = array('Compressed Size', Scaffold_Utils::readable_size($contents));
$table[] = array('Gzipped Size', Scaffold_Utils::readable_size($gzipped));
FB::table($name, $table);
}
/**
* Replaces all of the constants in a CSS string
* with the constants defined in the member variable $constants
* using PHP's interpolation.
*/
public static function replace($css)
{
# Pull the constants into the local scope as variables
extract(self::$constants, EXTR_SKIP);
# Remove unset variables from the string, so errors aren't thrown
foreach (array_unique(Scaffold_Utils::match('/\\{?\\$([A-Za-z0-9_-]+)\\}?/', $css, 1)) as $value) {
if (!isset(${$value})) {
Scaffold::error('Missing constant - ' . $value);
}
}
$css = stripslashes(eval('return "' . addslashes($css) . '";'));
# Replace the variables within the string like a normal PHP string
return $css;
}
