color_soc08/engines/tag.inc

<?php
// $Id: tag.inc,v 1.1.2.2 2008/08/21 22:54:46 skiquel Exp $
/**
 * @file
 * Tag engine
 * Finds and replaces hexes based on a tags in CSS
 * Not coincidentally, the tags replaced are the field names. :)
 */

function _color_engine_tag($style, $info, $palette, $options = NULL) {
  _color_switch('', $palette);
  $style = preg_replace_callback("~(?:/\*\s*\{\{\s*([^/*]+)\s*\}\}\s*\*/)?\s*(#[0-9a-f]{3,6})\s*(?:/\*\s*\{\{\s*\/?\s*([^/*]+)\s*\}\}\s*\*/)?~is", "_color_switch", $style);
 
  return $style;
}

/**
 * Find if tag matches with palette field. If so, return corresponding hex.
 * Intended to return results to the preg_replace_callback() in _color_engine_tag()
 *
 * @param $matches
 *  Array of regex matches
 * @param $static
 *  Array of field names + hexes for scheme (palette)
 * @return
 *  Return an array of hexes
 *  or the same code it gave if no match found.
 */
function _color_switch($matches, $static = FALSE) {
  static $palette;

  if ($static != FALSE) {
    $palette = $static;
  }
  else {
    // See if any of the regexes match
    if ($match = array_intersect(array_keys($palette), array_values($matches))) {
      $matches = $palette[array_shift(array_values($match))];
    }
    else {
      $matches = $matches[0];
    }
  }
  return $matches;
}
1	<?php
2	// $Id: tag.inc,v 1.1.2.2 2008/08/21 22:54:46 skiquel Exp $
3	/**
4	* @file
5	* Tag engine
6	* Finds and replaces hexes based on a tags in CSS
7	* Not coincidentally, the tags replaced are the field names. :)
8	*/
9
10	function _color_engine_tag($style, $info, $palette, $options = NULL) {
11	_color_switch('', $palette);
12	$style = preg_replace_callback("~(?:/\\s\{\{\s([^/]+)\s\}\}\s\/)?\s(#[0-9a-f]{3,6})\s(?:/\\s\{\{\s\/?\s([^/]+)\s\}\}\s\*/)?~is", "_color_switch", $style);
13
14	return $style;
15	}
16
17	/**
18	* Find if tag matches with palette field. If so, return corresponding hex.
19	* Intended to return results to the preg_replace_callback() in _color_engine_tag()
20	*
21	* @param $matches
22	* Array of regex matches
23	* @param $static
24	* Array of field names + hexes for scheme (palette)
25	* @return
26	* Return an array of hexes
27	* or the same code it gave if no match found.
28	*/
29	function _color_switch($matches, $static = FALSE) {
30	static $palette;
31
32	if ($static != FALSE) {
33	$palette = $static;
34	}
35	else {
36	// See if any of the regexes match
37	if ($match = array_intersect(array_keys($palette), array_values($matches))) {
38	$matches = $palette[array_shift(array_values($match))];
39	}
40	else {
41	$matches = $matches[0];
42	}
43	}
44	return $matches;
45	}