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place.php
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place.php
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<?php
/**
* TravelPlace class
*
* Zed. The immensity of stars. The HyperShip. The people.
*
* (c) 2010, Dereckson, some rights reserved.
* Released under BSD license.
*
* 0.1 2010-07-19 22:10 DcK
*
* @package Zed
* @subpackage Travel
* @author Sébastien Santoro aka Dereckson <dereckson@espace-win.org>
* @copyright 2010 Sébastien Santoro aka Dereckson
* @license http://www.opensource.org/licenses/bsd-license.php BSD
* @version 0.1
* @link http://scherzo.dereckson.be/doc/zed
* @link http://zed.dereckson.be/
* @filesource
*/
/**
* TravelPlace class
*
* The TravelPlace class is a set of rules determining what moves are valid
* in a specific place.
*
* @see GeoPlace
*
*/
class TravelPlace {
/**
* The place code
*
* @var string
*/
public $code;
/**
* Determines if any local location move is valid
*
* @var bool
*/
public $freeLocalMove = false;
/**
* Array of strings, each item another place reachable
*
* This matches GlobalTravelTo XML tags.
*
* @var Array
*/
public $globalTravelTo = [];
/**
* Array of array, containing [location, alias, name] entries
*
* This matches LocalMove XML tags.
*
* @var Array
*/
public $localMoves = [];
/**
* Array of array, containing [expression, global_location, local_location] entries
*
* This matches RewriteRule XML tags.
*
* @var Array
*/
public $rewriteRules = [];
/**
* Initializes a new TravelPlace instance, from the specified XML fragment
*
* @param string $xml the XML fragment to parse
* @return TravelPlace the TravelPlace instance matching the specified XML fragment
*/
static function from_xml ($xml) {
$travelPlace = new TravelPlace();
//Reads attributes: <TravelPlace code="B00001001" freeLocalMove="true">
foreach ($xml->attributes() as $key => $value) {
switch ($key) {
case 'code':
$travelPlace->code = (string)$value;
break;
case 'freeLocalMove':
$travelPlace->freeLocalMove = (boolean)$value;
break;
}
}
//<GlobalTravelTo code="B00001002" />
foreach ($xml->GlobalTravelTo as $globalTravelToXml) {
foreach ($globalTravelToXml->attributes() as $key => $value) {
if ($key == "code") {
$travelPlace->globalTravelTo[] = (string)$value;
}
}
}
//<LocalMove local_location="(0, 0, 0)" alias="C0" name="Core" />
foreach ($xml->LocalMove as $localMoveXml) {
$localMove = [null, null, null];
foreach ($localMoveXml->attributes() as $key => $value) {
switch ($key) {
case 'local_location':
$localMove[0] = (string)$value;
break;
case 'alias':
$localMove[1] = (string)$value;
break;
case 'name':
$localMove[2] = (string)$value;
break;
}
}
$travelPlace->localMoves[] = $localMove;
}
//<RewriteRule expression="/^T([1-9][0-9]*)$/" global_location="B00001001" local_location="T$1C1" />
foreach ($xml->RewriteRule as $rewriteRuleXml) {
$rewriteRule = [null, null, null];
foreach ($rewriteRuleXml->attributes() as $key => $value) {
switch ($key) {
case 'expression':
$rewriteRule[0] = (string)$value;
break;
case 'global_location':
$rewriteRule[1] = (string)$value;
break;
case 'local_location':
$rewriteRule[2] = (string)$value;
break;
}
}
$travelPlace->rewriteRules[] = $rewriteRule;
}
return $travelPlace;
}
}

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