class CSSCompression_Combine in Advanced CSS/JS Aggregation 6
Same name and namespace in other branches
- 7 advagg_css_compress/css-compressor-3.x/src/lib/Combine.inc \CSSCompression_Combine
CSS Compressor [VERSION] [DATE] Corey Hart @ http://www.codenothing.com
Hierarchy
- class \CSSCompression_Combine
Expanded class hierarchy of CSSCompression_Combine
File
- advagg_css_compress/
css-compressor-3.x/ src/ lib/ Combine.inc, line 8
View source
class CSSCompression_Combine {
/**
* Combine Patterns
*
* @class Control: Compression Controller
* @param (string) token: Copy of the injection token
* @param (array) options: Reference to options
* @param (regex) rspace: Checks for space without an escape '\' character before it
* @param (regex) rslash: Checks for unescaped slash character
* @param (regex) rimportant: Checking props for uncombinables
* @param (array) methods: List of options with their corresponding class
*/
private $Control;
private $token = '';
private $options = array();
private $rspace = "/(?<!\\\\)\\s/";
private $rslash = "/(?<!\\\\)\\//";
private $rimportant = "/inherit|\\!important|\\!ie|(?<!\\\\)\\s/i";
private $methods = array(
'csw-combine' => 'BorderOutline',
'border-radius-combine' => 'BorderRadius',
'border-combine' => 'Border',
'mp-combine' => 'MarginPadding',
'background-combine' => 'Background',
'auralcp-combine' => 'Aural',
'font-combine' => 'Font',
'list-combine' => 'List',
);
/**
* Sub Comination Classes
*
* @class BorderOutline: Handles Color/Style/With combinations of border/outline properties
* @class BorderRadius: Handles border-radius combinations
* @class Border: Handles normal border combinations
* @class MarginPadding: Handles margin/padding combinations
* @class Background: Handles background combinations
* @class Aural: Handles aural combinations
* @class Font: Handles font combinations
* @class List: Handles list combinations
* @param (array) subcombines: Array holding all subcombination classes
*/
public $BorderOutline;
public $BorderRadius;
public $Border;
public $MarginPadding;
public $Background;
public $Aural;
public $Font;
public $List;
private $subcombines = array(
'BorderOutline',
'BorderRadius',
'Border',
'MarginPadding',
'Background',
'Aural',
'Font',
'List',
);
/**
* Stash a reference to the controller on each instantiation
*
* @param (class) control: CSSCompression Controller
*/
public function __construct(CSSCompression_Control $control) {
$this->Control = $control;
$this->token = CSSCompression::TOKEN;
$this->options =& $control->Option->options;
// Include classes if not already done so
if (!class_exists("CSSCompression_Combine_Border", false)) {
$path = dirname(__FILE__) . '/Combine/';
foreach ($this->subcombines as $class) {
require $path . $class . '.inc';
}
}
// Instantiate each sub combine
foreach ($this->subcombines as $class) {
$full = "CSSCompression_Combine_{$class}";
$this->{$class} = new $full($control, $this);
}
}
/**
* Reads through each detailed package and checks for cross defn combinations
*
* @param (array) selectors: Array of selectors
* @param (array) details: Array of details
*/
public function combine(&$selectors = array(), &$details = array()) {
foreach ($details as $i => &$value) {
if (isset($selectors[$i]) && strpos($selectors[$i], $this->token) === 0) {
continue;
}
foreach ($this->methods as $option => $class) {
if ($this->options[$option]) {
$value = $this->{$class}
->combine($value);
}
}
}
return array(
$selectors,
$details,
);
}
/**
* Helper function to ensure flagged words don't get
* overridden
*
* @param (mixed) obj: Array/String of definitions to be checked
*/
public function checkUncombinables($obj) {
if (is_array($obj)) {
foreach ($obj as $item) {
if (preg_match($this->rimportant, $item)) {
return true;
}
}
return false;
}
else {
return preg_match($this->rimportant, $obj);
}
}
/**
* Helper function to ensure all values of search array
* exist within the storage array
*
* @param (string) prop: CSS Property
* @param (array) storage: Array of definitions found
* @param (array) search: Array of definitions requred
*/
public function searchDefinitions($prop, $storage, $search) {
// Return if storage & search don't match
if (count($storage) != count($search)) {
return false;
}
$str = "{$prop}:";
foreach ($search as $value) {
if (!isset($storage[$value]) || $this
->checkUncombinables($storage[$value])) {
return false;
}
$str .= $storage[$value] . ' ';
}
return trim($str) . ';';
}
/**
* Access to private methods for testing
*
* @param (string) subclass: Name of subclass to focus on
* @param (string) method: Method to be called
* @param (array) args: Array of paramters to be passed in
*/
public function access($subclass, $method, $args) {
if ($subclass == 'Combine') {
if (method_exists($this, $method)) {
if ($method == 'combine') {
return $this
->combine($args[0], $args[1]);
}
else {
return call_user_func_array(array(
$this,
$method,
), $args);
}
}
else {
throw new CSSCompression_Exception("Unknown method in Combine Class - " . $method);
}
}
else {
if (in_array($subclass, $this->subcombines)) {
return $this->{$subclass}
->access($method, $args);
}
else {
throw new CSSCompression_Exception("Unknown Sub Combine Class - " . $subclass);
}
}
}
}