/**
* 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
}
}
}
function Scaffold_image_replace_matrix($params)
{
if (preg_match_all('/\\([^)]*?,[^)]*?\\)/', $params, $matches)) {
foreach ($matches as $key => $original) {
$new = str_replace(',', '#COMMA#', $original);
$params = str_replace($original, $new, $params);
}
}
$params = explode(',', $params);
foreach (array('url', 'width', 'height', 'x', 'y') as $key => $name) {
${$name} = trim(str_replace('#COMMA#', ',', array_shift($params)));
}
$url = preg_replace('/\\s+/', '', $url);
$url = preg_replace('/url\\([\'\\"]?|[\'\\"]?\\)$/', '', $url);
if (!$x) {
$x = 0;
}
if (!$y) {
$y = 0;
}
$path = Scaffold::find_file($url);
if ($path === false) {
return false;
}
// Make sure theres a value so it doesn't break the css
if (!$width && !$height) {
$width = $height = 0;
}
// Build the selector
$properties = "background:url(" . Scaffold::url_path($path) . ") no-repeat {$x}px {$y}px;\n\t\theight:{$height}px;\n\t\twidth:{$width}px;\n\t\tdisplay:block;\n\t\ttext-indent:-9999px;\n\t\toverflow:hidden;";
return $properties;
}
/**
* 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;
}
/**
* 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 . ")";
}
/**
* 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 the image-width property that allows you to automatically
* obtain the width of a image
*
* Because functions can't have - in their name, it is replaced
* with an underscore. The property name is still image-width
*
* @author Kirk Bentley
* @param $url
* @return string
*/
function Scaffold_image_width($url, $w = false)
{
$url = preg_replace('/\\s+/', '', $url);
$url = preg_replace('/url\\([\'\\"]?|[\'\\"]?\\)$/', '', $url);
$path = Scaffold::find_file($url);
if ($path === false) {
return false;
}
// Get the width of the image file
$size = GetImageSize($path);
$width = $size[0];
if ($w == '50%') {
$width = $width * 0.5;
}
// Make sure theres a value so it doesn't break the css
if (!$width) {
$width = 0;
}
return $width;
}
/**
* Adds the image-replace property that allows you to automatically
* replace text with an image on your server.
*
* Because functions can't have - in their name, it is replaced
* with an underscore. The property name is still image-replace
*
* @author Anthony Short
* @param $url
* @return string
*/
function Scaffold_image_replace($url)
{
$url = preg_replace('/\\s+/', '', $url);
$url = preg_replace('/url\\([\'\\"]?|[\'\\"]?\\)$/', '', $url);
$path = Scaffold::find_file($url);
if ($path === false) {
return false;
}
// Get the size of the image file
$size = GetImageSize($path);
$width = $size[0];
$height = $size[1];
// Make sure theres a value so it doesn't break the css
if (!$width && !$height) {
$width = $height = 0;
}
// Build the selector
$properties = "background:url(" . Scaffold::url_path($path) . ") no-repeat 0 0;\n\t\theight:{$height}px;\n\t\twidth:{$width}px;\n\t\tdisplay:block;\n\t\ttext-indent:-9999px;\n\t\toverflow:hidden;";
return $properties;
}
/**
* Adds the image-width property that allows you to automatically
* obtain the height of a image
*
* Because functions can't have - in their name, it is replaced
* with an underscore. The property name is still image-height
*
* @author Kirk Bentley
* @param $url
* @return string
*/
function Scaffold_image_height($url, $h = false)
{
$url = preg_replace('/\\s+/', '', $url);
$url = preg_replace('/url\\([\'\\"]?|[\'\\"]?\\)$/', '', $url);
$h = trim($h);
$path = Scaffold::find_file($url);
if ($path === false) {
return false;
}
// Get the width of the image file
$size = GetImageSize($path);
$height = $size[1];
if ($h == '50%') {
$height = $height * 0.5;
}
// Make sure theres a value so it doesn't break the css
if (!$height) {
$height = 0;
}
return $height;
}
/**
* Adds the image-replace property that allows you to automatically
* replace text with an image on your server.
*
* Because functions can't have - in their name, it is replaced
* with an underscore. The property name is still image-holder-position
*
* @author Kirk Bentley
* @param $url
* @param $x - x position
* @param $y - y position
* @return string
*/
function Scaffold_image_holder_position($params)
{
if (preg_match_all('/\\([^)]*?,[^)]*?\\)/', $params, $matches)) {
foreach ($matches as $key => $original) {
$new = str_replace(',', '#COMMA#', $original);
$params = str_replace($original, $new, $params);
}
}
$params = explode(',', $params);
foreach (array('url', 'x', 'y') as $key => $name) {
${$name} = trim(str_replace('#COMMA#', ',', array_shift($params)));
}
$url = preg_replace('/\\s+/', '', $url);
$url = preg_replace('/url\\([\'\\"]?|[\'\\"]?\\)$/', '', $url);
$path = Scaffold::find_file($url);
if ($path === false) {
return false;
}
// Get the size of the image file
$size = GetImageSize($path);
$width = $size[0];
$height = $size[1];
// Make sure theres a value so it doesn't break the css
if (!$width && !$height) {
$width = $height = 0;
}
$left = $x;
if ($x == '50%') {
$left = -$width * 0.5;
}
$top = $y;
if ($y == '50%') {
$top = -$height * 0.5;
}
// Build the selector
$properties = "top:{$top}px;\n\t\tleft:{$left}px;";
return $properties;
}
/**
* Sets the initial variables, checks if we need to process the css
* and then sends whichever file to the browser.
*
* @return void
*/
public static function setup($config)
{
/**
* Choose whether to show or hide errors
*/
if (SCAFFOLD_PRODUCTION === false) {
ini_set('display_errors', true);
error_reporting(E_ALL & ~E_STRICT);
} else {
ini_set('display_errors', false);
error_reporting(0);
}
/**
* Define contstants for system paths for easier access.
*/
if (!defined('SCAFFOLD_SYSPATH') && !defined('SCAFFOLD_DOCROOT')) {
define('SCAFFOLD_SYSPATH', self::fix_path($config['system']));
define('SCAFFOLD_DOCROOT', $config['document_root']);
define('SCAFFOLD_URLPATH', str_replace(SCAFFOLD_DOCROOT, '', SCAFFOLD_SYSPATH));
}
/**
* Add include paths for finding files
*/
Scaffold::add_include_path(SCAFFOLD_SYSPATH, SCAFFOLD_DOCROOT);
/**
* Tell the cache where to save files and for how long to keep them for
*/
Scaffold_Cache::setup(Scaffold::fix_path($config['cache']), $config['cache_lifetime']);
/**
* The level at which logged messages will halt processing and be thrown as errors
*/
self::$error_threshold = $config['error_threshold'];
/**
* Disabling flags allows for quicker processing
*/
if ($config['disable_flags'] === true) {
self::$flags = false;
}
/**
* Tell the log where to save it's files. Set it to automatically save the log on exit
*/
if ($config['enable_log'] === true) {
// START - Modified by Webligo Developments
if ($config['log_path']) {
Scaffold_Log::log_directory($config['log_path']);
} else {
Scaffold_Log::log_directory(SCAFFOLD_SYSPATH . 'logs');
}
// END - Modified by Webligo Developments
//Scaffold_Log::log_directory(SCAFFOLD_SYSPATH.'logs');
Scaffold_Event::add('system.shutdown', array('Scaffold_Log', 'save'));
}
/**
* Load each of the modules
*/
foreach (Scaffold::list_files(SCAFFOLD_SYSPATH . 'modules') as $module) {
$name = basename($module);
$module_config = SCAFFOLD_SYSPATH . 'config/' . $name . '.php';
if (file_exists($module_config)) {
unset($config);
include $module_config;
self::$config[$name] = $config;
}
self::add_include_path($module);
if ($controller = Scaffold::find_file($name . '.php', false, true)) {
require_once $controller;
self::$modules[$name] = new $name();
}
}
/**
* Module Initialization Hook
* This hook allows modules to load libraries and create events
* before any processing is done at all.
*/
self::hook('initialize');
/**
* Create the shutdown event
*/
Scaffold_Event::add('system.shutdown', array('Scaffold', 'shutdown'));
}
/**
* Parse the @grid rule and calculate the grid.
*
* @author Anthony Short
* @param $css
*/
public static function import_process()
{
if ($settings = Scaffold::$css->find_at_group('grid')) {
$groups = $settings['groups'];
$settings = $settings['values'];
# You really should only have one @grid
if (count($groups) > 1) {
Scaffold::error('Layout module can only use one @grid rule');
}
# Make sure the groups have all the right properties
self::check_grid($groups[0], $settings);
# The number of columns
$cc = $settings['column-count'];
# The tyopgraphic baseline
$bl = $settings['baseline'];
# The left gutter on grid columns
$lgw = isset($settings['left-gutter-width']) ? $settings['left-gutter-width'] : 0;
# The right gutter on grid columns
$rgw = isset($settings['right-gutter-width']) ? $settings['right-gutter-width'] : 0;
# The combined gutter widths
$gw = $settings['gutter-width'] = $lgw + $rgw;
# The total width of the grid
$grid = $settings['grid-width'];
# The grid width minus all the gutter widths
$netgridwidth = $grid - $cc * $gw;
# The width of a single column
$cw = floor($netgridwidth / $cc);
self::$grid_settings = array('column_width' => $cw, 'gutter_width' => $gw, 'left_gutter_width' => $lgw, 'right_gutter_width' => $rgw, 'grid_width' => $grid, 'baseline' => $bl);
/**
* Set each of the column widths as Constants. They
* can be accessed like this: $columns_1
*/
if (class_exists('Constants')) {
for ($i = 1; $i <= $cc; $i++) {
Constants::set('columns_' . $i, $i * $cw + ($i * $gw - $gw) . 'px');
}
}
/**
* Set them as constants we can use in the css. They can
* be accessed like this: $column_count
*/
foreach (self::$grid_settings as $key => $value) {
Constants::set($key, $value . 'px');
}
# Set this seperately as it doesn't need px added to it
self::$grid_settings['column_count'] = $cc;
Constants::set('column_count', $cc);
/**
* Create the grid background image
*/
$img = self::create_grid_image($cw, $bl, $lgw, $rgw);
Scaffold::$css->string .= "=grid-overlay{background:url('" . $img . "');} .grid-overlay { +grid-overlay; }";
/**
* Include the mixin templates so you can access each of
* the grid properties with mixins like this: +columns(4);
*/
$mixins = Scaffold::find_file('templates/mixins.css');
$classes = Scaffold::find_file('templates/classes.css');
if ($mixins !== false and $classes !== false) {
Scaffold::$css->string .= file_get_contents($mixins);
Scaffold::$css->string .= file_get_contents($classes);
}
}
}
