class CSSCompression_Organize in Advanced CSS/JS Aggregation 6
Same name and namespace in other branches
- 7 advagg_css_compress/css-compressor-3.x/src/lib/Organize.inc \CSSCompression_Organize
CSS Compressor [VERSION] [DATE] Corey Hart @ http://www.codenothing.com
Hierarchy
- class \CSSCompression_Organize
Expanded class hierarchy of CSSCompression_Organize
File
- advagg_css_compress/
css-compressor-3.x/ src/ lib/ Organize.inc, line 8
View source
class CSSCompression_Organize {
/**
* Organize Patterns
*
* @class Control: Compression Controller
* @param (array) options: Reference to options
* @param (regex) rsemicolon: Checks for semicolon without an escape '\' character before it
* @param (regex) rlastsemi: Checks for semicolon at the end of the string
*/
private $Control;
private $options = array();
private $rsemicolon = "/(?<!\\\\);/";
private $rlastsemi = "/(?<!\\\\);\$/";
/**
* Stash a reference to the controller on each instantiation
*
* @param (class) control: CSSCompression Controller
*/
public function __construct(CSSCompression_Control $control) {
$this->Control = $control;
$this->options =& $control->Option->options;
}
/**
* Look to see if we can combine selectors to reduce the number
* of definitions.
*
* @param (array) selectors: Array of selectors, map directly to details
* @param (array) details: Array of rule sets, map directly to selectors
*/
public function organize(&$selectors = array(), &$details = array()) {
// Combining defns based on similar selectors
list($selectors, $details) = $this
->reduceSelectors($selectors, $details);
// Combining defns based on similar details
list($selectors, $details) = $this
->reduceDetails($selectors, $details);
// Return in package form
return array(
$selectors,
$details,
);
}
/**
* Combines multiply defined selectors by merging the rule sets,
* latter declarations overide declaratins at top of file
*
* @param (array) selectors: Array of selectors broken down by setup
* @param (array) details: Array of rule sets broken down by setup
*/
private function reduceSelectors($selectors, $details) {
$keys = array_keys($selectors);
$max = array_pop($keys) + 1;
for ($i = 0; $i < $max; $i++) {
if (!isset($selectors[$i])) {
continue;
}
for ($k = $i + 1; $k < $max; $k++) {
if (!isset($selectors[$k])) {
continue;
}
if ($selectors[$i] == $selectors[$k]) {
// Prevent noticies
if (!isset($details[$i])) {
$details[$i] = '';
}
if (!isset($details[$k])) {
$details[$k] = '';
}
// We kill the last semicolon before organization, so account for that.
if ($details[$i] != '' && $details[$k] != '' && !preg_match($this->rlastsemi, $details[$i])) {
$details[$i] .= ';' . $details[$k];
}
else {
$details[$i] .= $details[$k];
}
// Remove the second part
unset($selectors[$k], $details[$k]);
}
}
}
return array(
$selectors,
$details,
);
}
/**
* Combines multiply defined rule sets by merging the selectors
* in comma seperated format
*
* @param (array) selectors: Array of selectors broken down by setup
* @param (array) details: Array of rule sets broken down by setup
*/
private function reduceDetails($selectors, $details) {
$keys = array_keys($selectors);
$max = array_pop($keys) + 1;
for ($i = 0; $i < $max; $i++) {
if (!isset($selectors[$i])) {
continue;
}
$arr = preg_split($this->rsemicolon, isset($details[$i]) ? $details[$i] : '');
for ($k = $i + 1; $k < $max; $k++) {
if (!isset($selectors[$k])) {
continue;
}
$match = preg_split($this->rsemicolon, isset($details[$k]) ? $details[$k] : '');
$x = array_diff($arr, $match);
$y = array_diff($match, $arr);
if (count($x) < 1 && count($y) < 1) {
$selectors[$i] .= ',' . $selectors[$k];
unset($details[$k], $selectors[$k]);
}
}
}
return array(
$selectors,
$details,
);
}
/**
* Access to private methods for testing
*
* @param (string) method: Method to be called
* @param (array) args: Array of paramters to be passed in
*/
public function access($method, $args) {
if (method_exists($this, $method)) {
return call_user_func_array(array(
$this,
$method,
), $args);
}
else {
throw new CSSCompression_Exception("Unknown method in Organize Class - " . $method);
}
}
}
Members
Name | Modifiers | Type | Description | Overrides |
---|---|---|---|---|
CSSCompression_Organize:: |
private | property | Organize Patterns | |
CSSCompression_Organize:: |
private | property | ||
CSSCompression_Organize:: |
private | property | ||
CSSCompression_Organize:: |
private | property | ||
CSSCompression_Organize:: |
public | function | Access to private methods for testing | |
CSSCompression_Organize:: |
public | function | Look to see if we can combine selectors to reduce the number of definitions. | |
CSSCompression_Organize:: |
private | function | Combines multiply defined rule sets by merging the selectors in comma seperated format | |
CSSCompression_Organize:: |
private | function | Combines multiply defined selectors by merging the rule sets, latter declarations overide declaratins at top of file | |
CSSCompression_Organize:: |
public | function | Stash a reference to the controller on each instantiation |