Tree/docs/Memory_XML.php

<?php
    //
    //  Id: Memory_XML.php,v 1.2 2003/01/30 17:43:41 cain Exp 
    //  $Id: Memory_XML.php,v 1.2 2003/01/30 17:43:41 cain Exp $
    //

//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;

        print '<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);
        print '<br>';

    }

    /**
    *   dumps the entire structure nicely
    *   @param  string  $string the explaining string
    */
    function dumpAllNicely( $string='' )
    {
        global $tree;

        print '<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'] ; $i++)
                print '&nbsp; &nbsp; ';
            print '<b>'.$aElement['name'].'</b> ===&gt; ';

            // 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 :-)

            print 'attributes - ';
            print_r($aElement['attributes']);
            print '<br>';

        }
        print '<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-&gt;setup"' );

    // get the path of the last inserted element
    print '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);
    print '<font color="red">ALL ELEMENTS HAVE BEEN REMOVED (uncomment this part to keep them in the DB after running this test script)</font>';
*/
?>
1	<?php
2	//
3	// Id: Memory_XML.php,v 1.2 2003/01/30 17:43:41 cain Exp
4	// $Id: Memory_XML.php,v 1.2 2003/01/30 17:43:41 cain Exp $
5	//
6
7	//ini_set('include_path',realpath(dirname(__FILE__).'/../../').':'.realpath(dirname(__FILE__).'/../../../includes').':'.ini_get('include_path'));
8	//ini_set('error_reporting',E_ALL);
9	/**
10	* this is a helper function, so i dont have to write so many prints :-)
11	* @param array $para the result returned by some method, that will be dumped
12	* @param string $string the explaining string
13	*/
14	function dumpHelper( $para , $string='' )
15	{
16	global $tree;
17
18	print '<i><u><font color="#008000">'.$string.'</font></u></i><br>';
19	// this method dumps to the screen, since print_r or var_dump dont
20	// work too good here, because the inner array is recursive
21	// well, it looks ugly but one can see what is meant :-)
22	$tree->varDump($para);
23	print '<br>';
24
25	}
26
27	/**
28	* dumps the entire structure nicely
29	* @param string $string the explaining string
30	*/
31	function dumpAllNicely( $string='' )
32	{
33	global $tree;
34
35	print '<i><u><font color="#008000">'.$string.'</font></u></i><br>';
36	$all = $tree->getNode(); // get the entire structure sorted as the tree is, so we can simply foreach through it and show it
37	foreach( $all as $aElement )
38	{
39	for( $i=0 ; $i<$aElement['level'] ; $i++)
40	print '    ';
41	print '<b>'.$aElement['name'].'</b> ===> ';
42
43	// you can also show all the content, using this
44	// $tree->varDump(array($aElement));
45	// i just didnt, since it takes up more then the entire line, and its unreadable :-)
46
47	print 'attributes - ';
48	print_r($aElement['attributes']);
49	print '<br>';
50
51	}
52	print '<br>';
53
54	}
55
56
57	/*
58
59	This example demonstrates how to manage trees
60	that are saved in an XML-file
61
62	it reads out the entire file upon calling the method
63	'setup', then you can work on the tree in whichever way
64	you want, just have a look at the examples
65	there are different ways to achieve things,
66	i will try to demonstrate (all of) them
67
68	NOTE: for referening the XML-Nodes currently everything has to
69	be lower case,
70	SimpleTemplate/preFilter
71	should be
72	simpletemplate/prefilter
73
74	*/
75
76	require_once('Tree/Tree.php');
77
78	// calling 'setupMemory' means to retreive a class, which works on trees,
79	// that are temporarily stored in the memory, in an array
80	// this means the entire tree is available at all time
81	// consider the resource usage and it's not to suggested to work
82	// on huge trees (upto 1000 elements it should be ok, depending on your environment and requirements)
83	// using 'setupMemory'
84	$tree = Tree::setupMemory( 'XML', // use the XML class to read an xml file
85	'config.xml' // the DSN
86	);
87
88	// methods 'add' 'remove' and so on are not implemented yet, you can only read the tree for now
89	// and navigate inside of it
90
91	// call 'setup', to build the inner array, so we can work on the structure using the
92	// given methods
93	$tree->setup();
94
95	dumpAllNicely( 'dump all after "$tree->setup"' );
96
97	// get the path of the last inserted element
98	print 'id='.$id = $tree->getIdByPath('simpletemplate/options/delimiter');
99	dumpHelper( $tree->getPath( $id ) , 'dump the path from "simpletemplate/options/delimiter"' );
100
101	$id = $tree->getIdByPath('simpletemplate/options');
102	dumpHelper( array($tree->getParent($id)) , 'dump the parent of "simpletemplate/options"' );
103	// you can also use: $tree->data[$id]['parent']
104
105	$id = $tree->getIdByPath('simpletemplate');
106	dumpHelper( array($tree->getChild($id)) , 'dump the child of "simpletemplate"' );
107	// you can also use: $tree->data[$id]['child']
108
109	$id = $tree->getIdByPath('simpletemplate/prefilter');
110	dumpHelper( $tree->getChildren($id) , 'dump the children of "simpletemplate/prefilter"' );
111	// you can also use: $tree->data[$id]['children']
112
113	$id = $tree->getIdByPath('simpletemplate/options');
114	dumpHelper( array($tree->getNext($id)) , 'dump the "next" of "simpletemplate/options"' );
115	// you can also use: $tree->data[$id]['next']
116
117	$id = $tree->getIdByPath('simpletemplate/prefilter');
118	dumpHelper( array($tree->getPrevious($id)) , 'dump the "previous" of "simpletemplate/prefilter"' );
119	// you can also use: $tree->data[$id]['previous']
120
121
122	$id = $tree->getIdByPath('simpletemplate/preFilter');
123	$element = $tree->data[$id]['child']['next']['next']; // refer to the third child of 'SimpleTemplate/preFilter/register'
124	dumpHelper( $element['id'] , 'demo of using the internal array, for referencing tree-nodes' );
125
126	/*
127	NOT IMPLEMENTED YET
128
129	$id = $tree->getIdByPath('myElement/anotherSubElement');
130	$tree->move( $id , 0 );
131	$tree->setup(); // rebuild the structure again, since we had changed it
132	dumpAllNicely( 'dump all, after "myElement/anotherSubElement" was moved under the root' );
133
134	$moveId = $tree->getIdByPath('myElement');
135	$id = $tree->getIdByPath('anotherSubElement');
136	$tree->move( $moveId , $id );
137	$tree->setup(); // rebuild the structure again, since we had changed it
138	dumpAllNicely( 'dump all, after "myElement" was moved under the "anotherSubElement"' );
139
140
141	$tree->setRemoveRecursively(true);
142	$tree->remove(0);
143	print '<font color="red">ALL ELEMENTS HAVE BEEN REMOVED (uncomment this part to keep them in the DB after running this test script)</font>';
144	*/
145	?>
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