<?php // // $Id: Memory_XML.php 175303 2004-12-21 19:59:20Z dufuz $ // //ini_set('include_path',realpath(dirname(__FILE__).'/../../').':'.realpath(dirname(__FILE__).'/../../../includes').':'.ini_get('include_path')); //ini_set('error_reporting',E_ALL); /** * this is a helper function, so i dont have to write so many prints :-) * @param array $para the result returned by some method, that will be dumped * @param string $string the explaining string */ function dumpHelper($para, $string = '') { global $tree; echo'<i><u><font color="#008000">' . $string . '</font></u></i><br>'; // this method dumps to the screen, since print_r or var_dump dont // work too good here, because the inner array is recursive // well, it looks ugly but one can see what is meant :-) $tree->varDump($para); echo '<br>'; } /** * dumps the entire structure nicely * @param string $string the explaining string */ function dumpAllNicely($string = '') { global $tree; echo '<i><u><font color="#008000">' . $string . '</font></u></i><br>'; $all = $tree->getNode(); // get the entire structure sorted as the tree is, so we can simply foreach through it and show it foreach ($all as $aElement) { for ($i = 0; $i < $aElement['level']; $i++) { echo ' '; } echo '<b>' . $aElement['name'] . '</b> ===> '; // you can also show all the content, using this // $tree->varDump(array($aElement)); // i just didnt, since it takes up more then the entire line, and its unreadable :-) echo 'attributes - '; print_r($aElement['attributes']); echo '<br>'; } echo '<br>'; } /* This example demonstrates how to manage trees that are saved in an XML-file it reads out the entire file upon calling the method 'setup', then you can work on the tree in whichever way you want, just have a look at the examples there are different ways to achieve things, i will try to demonstrate (all of) them NOTE: for referening the XML-Nodes currently everything has to be lower case, SimpleTemplate/preFilter should be simpletemplate/prefilter */ require_once 'Tree/Tree.php'; // calling 'setupMemory' means to retreive a class, which works on trees, // that are temporarily stored in the memory, in an array // this means the entire tree is available at all time // consider the resource usage and it's not to suggested to work // on huge trees (upto 1000 elements it should be ok, depending on your environment and requirements) // using 'setupMemory' $tree = Tree::setupMemory('XML', // use the XML class to read an xml file 'config.xml' // the DSN ); // methods 'add' 'remove' and so on are not implemented yet, you can only read the tree for now // and navigate inside of it // call 'setup', to build the inner array, so we can work on the structure using the // given methods $tree->setup(); dumpAllNicely('dump all after "$tree->setup"'); // get the path of the last inserted element echo 'id='.$id = $tree->getIdByPath('simpletemplate/options/delimiter'); dumpHelper( $tree->getPath( $id ) , 'dump the path from "simpletemplate/options/delimiter"'); $id = $tree->getIdByPath('simpletemplate/options'); dumpHelper(array($tree->getParent($id)) , 'dump the parent of "simpletemplate/options"'); // you can also use: $tree->data[$id]['parent'] $id = $tree->getIdByPath('simpletemplate'); dumpHelper(array($tree->getChild($id)) , 'dump the child of "simpletemplate"'); // you can also use: $tree->data[$id]['child'] $id = $tree->getIdByPath('simpletemplate/prefilter'); dumpHelper($tree->getChildren($id) , 'dump the children of "simpletemplate/prefilter"'); // you can also use: $tree->data[$id]['children'] $id = $tree->getIdByPath('simpletemplate/options'); dumpHelper(array($tree->getNext($id)) , 'dump the "next" of "simpletemplate/options"'); // you can also use: $tree->data[$id]['next'] $id = $tree->getIdByPath('simpletemplate/prefilter'); dumpHelper( array($tree->getPrevious($id)) , 'dump the "previous" of "simpletemplate/prefilter"'); // you can also use: $tree->data[$id]['previous'] $id = $tree->getIdByPath('simpletemplate/preFilter'); $element = $tree->data[$id]['child']['next']['next']; // refer to the third child of 'SimpleTemplate/preFilter/register' dumpHelper($element['id'] , 'demo of using the internal array, for referencing tree-nodes'); /* NOT IMPLEMENTED YET $id = $tree->getIdByPath('myElement/anotherSubElement'); $tree->move( $id , 0 ); $tree->setup(); // rebuild the structure again, since we had changed it dumpAllNicely( 'dump all, after "myElement/anotherSubElement" was moved under the root' ); $moveId = $tree->getIdByPath('myElement'); $id = $tree->getIdByPath('anotherSubElement'); $tree->move( $moveId , $id ); $tree->setup(); // rebuild the structure again, since we had changed it dumpAllNicely( 'dump all, after "myElement" was moved under the "anotherSubElement"' ); $tree->setRemoveRecursively(true); $tree->remove(0); echo '<font color="red">ALL ELEMENTS HAVE BEEN REMOVED (uncomment this part to keep them in the DB after running this test script)</font>'; */ ?>