mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-11-25 09:23:28 +01:00
603 lines
13 KiB
PHP
603 lines
13 KiB
PHP
<?php
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/**
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* eGroupWare - eTemplates - xml-tools - helper class to create xml-files
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* Originaly from the phpGW XSLT API
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package etemplate
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* @link http://www.egroupware.org
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* @author Ralf Becker <RalfBecker@outdoor-training.de>
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* @version $Id$
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*/
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function var2xml($name, $data)
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{
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$doc = new xmltool('root','','');
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return $doc->import_var($name,$data,True,True);
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}
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class xmltool
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{
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/* for root nodes */
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var $xmlversion = '1.0';
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var $doctype = Array();
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/* shared */
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var $node_type = '';
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var $name = '';
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var $data_type;
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var $data;
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/* for nodes */
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var $attributes = Array();
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var $comments = Array();
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var $indentstring = "\t";
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/* start the class as either a root or a node */
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function xmltool ($node_type = 'root', $name='',$indentstring="\t")
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{
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$this->node_type = $node_type;
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$this->indentstring = $indentstring;
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if ($this->node_type == 'node')
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{
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if($name != '')
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{
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$this->name = $name;
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}
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else
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{
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echo 'You must name node type objects<br>';
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exit;
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}
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}
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}
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function set_version ($version = '1.0')
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{
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$this->xmlversion = $version;
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return True;
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}
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function set_doctype ($name, $uri = '')
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{
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if ($this->node_type == 'root')
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{
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$this->doctype[$name] = $uri;
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return True;
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}
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else
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{
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return False;
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}
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}
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function add_node ($node_object, $name = '')
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{
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switch ($this->node_type)
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{
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case 'root':
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if (is_object($node_object))
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{
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$this->data = $node_object;
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}
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else
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{
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$this->data = $this->import_var($name, $node_object);
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}
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break;
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case 'node':
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if(!is_array($this->data))
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{
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$this->data = Array();
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$this->data_type = 'node';
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}
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if (is_object($node_object))
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{
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if ($name != '')
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{
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$this->data[$name] = $node_object;
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}
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else
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{
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$this->data[] = $node_object;
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}
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}
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else
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{
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$this->data[$name] = $this->import_var($name, $node_object);
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}
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return True;
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break;
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}
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}
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function get_node ($name = '') // what is that function doing: NOTHING !!!
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{
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switch ($this->data_type)
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{
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case 'root':
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break;
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case 'node':
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break;
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case 'object':
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break;
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}
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}
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function set_value ($string)
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{
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$this->data = $string;
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$this->data_type = 'value';
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return True;
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}
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function get_value ()
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{
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if($this->data_type == 'value')
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{
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return $this->data;
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}
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else
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{
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return False;
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}
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}
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function set_attribute ($name, $value = '')
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{
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$this->attributes[$name] = $value;
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return True;
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}
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function get_attribute ($name)
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{
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return $this->attributes[$name];
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}
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function get_attributes ()
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{
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return $this->attributes;
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}
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function add_comment ($comment)
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{
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$this->comments[] = $comment;
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return True;
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}
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function import_var($name, $value,$is_root=False,$export_xml=False)
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{
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//echo "<p>import_var: this->indentstring='$this->indentstring'</p>\n";
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$node = new xmltool('node',$name,$this->indentstring);
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switch (gettype($value))
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{
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case 'string':
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case 'integer':
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case 'double':
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case 'NULL':
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$node->set_value($value);
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break;
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case 'boolean':
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if($value == True)
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{
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$node->set_value('1');
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}
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else
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{
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$node->set_value('0');
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}
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break;
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case 'array':
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$new_index = False;
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while (list ($idxkey, $idxval) = each ($value))
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{
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if(is_array($idxval))
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{
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while (list ($k, $i) = each ($idxval))
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{
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if (is_int($k))
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{
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$new_index = True;
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}
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}
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}
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}
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reset($value);
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while (list ($key, $val) = each ($value))
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{
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if($new_index)
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{
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$keyname = $name;
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$nextkey = $key;
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}
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else
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{
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$keyname = $key;
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$nextkey = $key;
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}
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switch (gettype($val))
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{
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case 'string':
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case 'integer':
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case 'double':
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case 'NULL':
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$subnode = new xmltool('node', $nextkey,$this->indentstring);
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$subnode->set_value($val);
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$node->add_node($subnode);
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break;
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case 'boolean':
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$subnode = new xmltool('node', $nextkey,$this->indentstring);
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if($val == True)
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{
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$subnode->set_value('1');
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}
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else
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{
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$subnode->set_value('0');
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}
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$node->add_node($subnode);
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break;
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case 'array':
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if($new_index)
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{
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while (list ($subkey, $subval) = each ($val))
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{
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$node->add_node($this->import_var($nextkey, $subval));
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}
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}
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else
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{
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$subnode = $this->import_var($nextkey, $val);
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$node->add_node($subnode);
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}
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break;
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case 'object':
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$subnode = new xmltool('node', $nextkey,$this->indentstring);
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$subnode->set_value('PHP_SERIALIZED_OBJECT&:'.serialize($val));
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$node->add_node($subnode);
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break;
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case 'resource':
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echo 'Halt: Cannot package PHP resource pointers into XML<br>';
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exit;
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default:
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echo 'Halt: Invalid or unknown data type<br>';
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exit;
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}
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}
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break;
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case 'object':
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$node->set_value('PHP_SERIALIZED_OBJECT&:'.serialize($value));
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break;
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case 'resource':
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echo 'Halt: Cannot package PHP resource pointers into XML<br>';
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exit;
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default:
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echo 'Halt: Invalid or unknown data type<br>';
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exit;
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}
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if($is_root)
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{
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$this->add_node($node);
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if($export_xml)
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{
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$xml = $this->export_xml();
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return $xml;
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}
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else
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{
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return True;
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}
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}
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else
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{
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$this->add_node($node);
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return $node;
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}
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}
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function export_var()
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{
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if($this->node_type == 'root')
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{
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return $this->data->export_var();
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}
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if($this->data_type != 'node')
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{
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$found_at = strpos($this->data,'PHP_SERIALIZED_OBJECT&:');
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if($found_at !== False)
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{
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return unserialize(str_replace ('PHP_SERIALIZED_OBJECT&:', '', $this->data));
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}
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return $this->data;
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}
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else
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{
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$new_index = False;
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reset($this->data);
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while(list($key,$val) = each($this->data))
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{
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if(!isset($found_keys[$val->name]))
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{
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$found_keys[$val->name] = True;
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}
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else
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{
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$new_index = True;
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}
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}
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if($new_index)
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{
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reset($this->data);
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while(list($key,$val) = each($this->data))
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{
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$return_array[$val->name][] = $val->export_var();
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}
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}
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else
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{
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reset($this->data);
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while(list($key,$val) = each($this->data))
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{
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$return_array[$val->name] = $val->export_var();
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}
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}
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return $return_array;
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}
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}
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function export_struct()
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{
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if($this->node_type == 'root')
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{
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return $this->data->export_struct();
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}
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$retval['tag'] = $this->name;
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$retval['attributes'] = $this->attributes;
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if($this->data_type != 'node')
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{
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$found_at = strpos($this->data,'PHP_SERIALIZED_OBJECT&:');
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if($found_at !== False)
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{
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$retval['value'] = unserialize(str_replace ('PHP_SERIALIZED_OBJECT&:', '', $this->data));
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}
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else
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{
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$retval['value'] = $this->data;
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}
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return $retval;
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}
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else
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{
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reset($this->data);
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while(list($key,$val) = each($this->data))
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{
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$retval['children'][] = $val->export_struct();
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}
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return $retval;
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}
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}
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function import_xml_children($data, &$i, $parent_node)
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{
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while (++$i < count($data))
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{
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switch ($data[$i]['type'])
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{
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case 'cdata':
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case 'complete':
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$node = new xmltool('node',$data[$i]['tag'],$this->indentstring);
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if(is_array($data[$i]['attributes']) && count($data[$i]['attributes']) > 0)
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{
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while(list($k,$v)=each($data[$i]['attributes']))
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{
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$node->set_attribute($k,$v);
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}
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}
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$node->set_value($data[$i]['value']);
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$parent_node->add_node($node);
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break;
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case 'open':
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$node = new xmltool('node',$data[$i]['tag'],$this->indentstring);
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if(is_array($data[$i]['attributes']) && count($data[$i]['attributes']) > 0)
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{
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while(list($k,$v)=each($data[$i]['attributes']))
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{
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$node->set_attribute($k,$v);
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}
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}
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$node = $this->import_xml_children($data, $i, $node);
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$parent_node->add_node($node);
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break;
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case 'close':
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return $parent_node;
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}
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}
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}
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function import_xml($xmldata)
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{
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$parser = xml_parser_create();
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xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
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xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
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xml_parse_into_struct($parser, $xmldata, $vals, $index);
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xml_parser_free($parser);
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unset($index);
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$node = new xmltool('node',$vals[0]['tag'],$this->indentstring);
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if(isset($vals[0]['attributes']))
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{
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while(list($key,$value) = each($vals[0]['attributes']))
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{
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$node->set_attribute($key, $value);
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}
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}
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switch ($vals[0]['type'])
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{
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case 'complete':
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$node->set_value($vals[0]['value']);
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break;
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case 'cdata':
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$node->set_value($vals[0]['value']);
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break;
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case 'open':
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$node = $this->import_xml_children($vals, $i = 0, $node);
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break;
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case 'closed':
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exit;
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}
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$this->add_node($node);
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}
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function export_xml($indent = 1)
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{
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if ($this->node_type == 'root')
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{
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$result = '<?xml version="'.$this->xmlversion.'"?>'."\n";
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if(count($this->doctype) == 1)
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{
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list($doctype_name,$doctype_uri) = each($this->doctype);
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$result .= '<!DOCTYPE '.$doctype_name.' SYSTEM "'.$doctype_uri.'">'."\n";
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}
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if(count($this->comments) > 0 )
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{
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//reset($this->comments);
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while(list($key,$val) = each ($this->comments))
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{
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$result .= "<!-- $val -->\n";
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}
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}
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if(is_object($this->data))
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{
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$indent = 0;
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$result .= $this->data->export_xml($indent);
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}
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return $result;
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}
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else /* For node objects */
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{
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for ($i = 0; $i < $indent; $i++)
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{
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$indentstring .= $this->indentstring;
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}
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$result = $indentstring.'<'.$this->name;
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if(count($this->attributes) > 0 )
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{
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reset($this->attributes);
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while(list($key,$val) = each ($this->attributes))
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{
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if (!is_array($val)) $result .= ' '.$key.'="'.htmlspecialchars($val,ENT_COMPAT,'utf-8').'"';
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}
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}
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$endtag_indent = $indentstring;
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if (empty($this->data_type))
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{
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$result .= '/>'."\n";
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}
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else
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{
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$result .= '>';
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switch ($this->data_type)
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{
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case 'value':
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if(is_array($this->data))
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{
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$type_error = True;
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break;
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}
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/*if(preg_match("(&|<)", $this->data)) // this is unnecessary with htmlspecialchars($this->data)
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{
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$result .= '<![CDATA['.$this->data.']]>';
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$endtag_indent = '';
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}
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else*/if(strlen($this->data) > 30 && !empty($this->indentstring))
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{
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$result .= "\n".$indentstring.$this->indentstring.htmlspecialchars($this->data,ENT_COMPAT,'utf-8')."\n";
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$endtag_indent = $indentstring;
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}
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else
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{
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$result .= htmlspecialchars($this->data,ENT_COMPAT,'utf-8');
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$endtag_indent = '';
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}
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break;
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case 'node':
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$result .= "\n";
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if(!is_array($this->data))
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{
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$type_error = True;
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break;
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}
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$subindent = $indent+1;
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reset($this->data);
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while(list($key,$val) = each ($this->data))
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{
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if(is_object($val))
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{
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$result .= $val->export_xml($subindent);
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}
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}
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break;
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default:
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if($this->data != '')
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{
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echo 'Invalid or unset data type ('.$this->data_type.'). This should not be possible if using the class as intended<br>';
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}
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}
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if ($type_error)
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{
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echo 'Invalid data type. Tagged as '.$this->data_type.' but data is '.gettype($this->data).'<br>';
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}
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$result .= $endtag_indent.'</'.$this->name.'>';
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if($indent != 0)
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{
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$result .= "\n";
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}
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}
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if(count($this->comments) > 0 )
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{
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reset($this->comments);
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while(list($key,$val) = each ($this->comments))
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{
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$result .= $endtag_indent."<!-- $val -->\n";
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}
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}
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return $result;
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}
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}
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}
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class xmlnode extends xmltool
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{
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function xmlnode($name)
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{
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$this->xmltool('node',$name);
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}
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}
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class xmldoc extends xmltool
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{
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function xmldoc($version = '1.0')
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{
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$this->xmltool('root');
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$this->set_version($version);
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}
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function add_root($root_node)
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{
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return $this->add_node($root_node);
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}
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}
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?>
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