Border.inc in Advanced CSS/JS Aggregation 6

File

advagg_css_compress/css-compressor-3.x/src/lib/Combine/Border.inc

<?php

/**
 * CSS Compressor [VERSION]
 * [DATE]
 * Corey Hart @ http://www.codenothing.com
 */
class CSSCompression_Combine_Border {

  /**
   * Combine Patterns
   *
   * @class Control: Compression Controller
   * @class Combine: Combine Controller
   * @param (regex) rborder: Border matching
   */
  private $Control;
  private $Combine;
  private $rborder = "/(^|(?<!\\\\);)border-(top|right|bottom|left):(.*?)((?<!\\\\);|\$)/";

  /**
   * Stash a reference to the controller & combiner
   *
   * @param (class) control: CSSCompression Controller
   * @param (class) combine: CSSCompression Combiner
   */
  public function __construct(CSSCompression_Control $control, CSSCompression_Combine $combine) {
    $this->Control = $control;
    $this->Combine = $combine;
  }

  /**
   * Combines multiple border properties into single definition
   *
   * @param (string) val: Rule Set
   */
  public function combine($val) {
    if (($replace = $this
      ->replace($val)) === false) {
      return $val;
    }

    // Rebuild the rule set with the combinations found
    $pos = 0;
    while (preg_match($this->rborder, $val, $match, PREG_OFFSET_CAPTURE, $pos)) {
      $colon = strlen($match[1][0]);
      $val = substr_replace($val, $replace, $match[0][1] + $colon, strlen($match[0][0]) - $colon);
      $pos = $match[0][1] + strlen($replace) - $colon - 1;
      $replace = '';
    }

    // Return converted val
    return $val;
  }

  /**
   * Builds a replacement string
   *
   * @param (string) val: Rule Set
   */
  private function replace($val) {
    $storage = array();

    // Find all possible occurences and build the replacement
    $pos = 0;
    while (preg_match($this->rborder, $val, $match, PREG_OFFSET_CAPTURE, $pos)) {

      // Override double written properties
      $storage[$match[2][0]] = $match[3][0];
      $pos = $match[0][1] + strlen($match[0][0]) - 1;
    }

    // All 4 have to be defined
    if (count($storage) == 4 && $storage['top'] == $storage['bottom'] && $storage['left'] == $storage['right'] && $storage['top'] == $storage['right']) {
      return "border:" . $storage['top'] . ';';
    }
    return false;
  }

  /**
   * 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 Border Class - " . $method);
    }
  }

}

Classes

Name	Description
CSSCompression_Combine_Border	CSS Compressor [VERSION] [DATE] Corey Hart @ http://www.codenothing.com