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<? |
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/** |
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* This file contains a Data::Lift actor component. |
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* |
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* @author Andreas Motl <andreas.motl@ilo.de> |
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* @package org.netfrag.glib |
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* @name Data::Lift::hash::filter::XPath |
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* |
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*/ |
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|
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/** |
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* Cvs-Log: |
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* |
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* $Id: Generic.php,v 1.18 2003/04/11 00:55:49 joko Exp $ |
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* |
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* $Log: Generic.php,v $ |
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* |
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*/ |
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|
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/** |
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* Data::Lift::hash::filter::XPath |
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* |
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* Enriches payload hash with additional key 'xpq'. |
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* |
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* |
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* @author Andreas Motl <andreas.motl@ilo.de> |
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* @copyright (c) 2003 - All Rights reserved. |
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* @license GNU LGPL (GNU Lesser General Public License) |
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* |
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* @link http://www.netfrag.org/~joko/ |
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* @link http://www.gnu.org/licenses/lgpl.txt |
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* |
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* @package org.netfrag.glib |
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* @subpackage DataLift |
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* @name Data::Lift::hash::filter::XPath |
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* |
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* @link http://cvs.netfrag.org/php/libs/org.netfrag.glib |
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* |
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*/ |
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class Data_Lift_hash_filter_XPath { |
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|
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function perform(&$args) { |
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|
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// mode 1: dotted query expression, probably ident |
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if ($dotted = $args[dotted]) { |
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|
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print "dotted: $dotted<br/>"; |
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|
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// extract parts from dotted query string |
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|
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//$parts = split('\.', $dotted); |
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|
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//$args[xpq] = '*/*[@name="cli"]'; |
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if ($parts = split(':', $dotted)) { |
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$node = $parts[0]; |
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$attrib = $parts[1]; |
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} else { |
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$node = $dotted; |
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} |
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|
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$ident = $args[ident]; |
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|
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// check triple |
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$nodeparts = split('\.', $node); |
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|
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/* |
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if (sizeof($nodeparts) == 3) { |
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$attrib = array_pop($nodeparts); |
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$node = join('.', $nodeparts); |
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} else { |
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if ($ident) { |
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$attrib = $ident; |
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unset($ident); |
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} |
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} |
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*/ |
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|
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// FIXME: ??? |
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$chain = array('*'); |
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|
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// FIXME: ??? |
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if ($ident) { |
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array_push($nodeparts, $ident); |
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} |
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|
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for ($i = 0; $i <= sizeof($nodeparts); $i = $i + 2) { |
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$elem = $nodeparts[$i]; |
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if (!$elem) { continue; } |
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array_push($chain, '/' . $elem); |
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if ($elem = $nodeparts[$i + 1]) { |
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array_push($chain, '[@*="' . $elem . '"]'); |
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} |
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} |
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|
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|
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// build xpq string |
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|
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/* |
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// discard 'root' |
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//array_shift($parts); |
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$tmp = str_replace('.', '/', $node); |
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$tmp = str_replace('root', '*', $tmp); |
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$xpq = '*/' . $tmp; |
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|
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//$xpq = '*/*[@name="transfer merge backend to frontend"]'; |
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|
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if ($attrib) { |
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//print "ATTRIB: $attrib<br/>"; |
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$xpq .= '[@*="' . $attrib . '"]'; |
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} |
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|
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if ($ident) { |
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// V1 - valid |
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//$xpq .= '[@name="' . $ident . '"]'; |
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// V2 - ??? |
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//$xpq .= '[@*="' . $ident . '"]'; |
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// V3 |
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$xpq .= "/$ident"; |
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} |
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*/ |
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|
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$xpq = join('', $chain); |
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print "xpq: $xpq<br/>"; |
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|
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// manipulate hashref |
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unset($args[dotted]); |
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unset($args[ident]); |
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$args[xpq] = $xpq; |
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|
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|
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// mode 2: ident only [as of 2003-04-16] |
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// und hier ein smiley für die manu: ;-) |
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} elseif ($args[ident]) { |
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//$args[xpq] = '*/*/' . $args[ident]; |
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//$args[xpq] = '//*/' . $args[ident]; |
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//$args[xpq] = '*//' . $args[ident]; |
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//$args[xpq] = '*/select/*'; |
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//$args[xpq] = '*/*'; |
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//$args[xpq] = '*'; |
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//$args[xpq] = '*/source/select'; |
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$args[xpq] = '*/' . $args[ident]; |
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//$args[xpq] = '*'; |
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//$args[xpq] = '*/source/select'; |
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unset($args[dotted]); |
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unset($args[ident]); |
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} |
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|
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//print Dumper($args); |
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|
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return $args; |
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|
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} |
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|
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} |
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|
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?> |
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