include/xml.php

   1 <?php
   2 /**
   3  * @file include/xml.php
   4  * @brief This class contain functions to work with XML data
   5  *
   6  */
   7 class xml {
   8         /**
   9          * @brief Creates an XML structure out of a given array
  10          *
  11          * @param array $array The array of the XML structure that will be generated
  12          * @param object $xml The createdXML will be returned by reference
  13          * @param bool $remove_header Should the XML header be removed or not?
  14          * @param array $namespaces List of namespaces
  15          *
  16          * @return string The created XML
  17          */
  18         function from_array($array, &$xml, $remove_header = false, $namespaces = array(), $root = true) {
  19
  20                 if ($root) {
  21                         foreach($array as $key => $value) {
  22                                 foreach ($namespaces AS $nskey => $nsvalue)
  23                                         $key .= " xmlns".($nskey == "" ? "":":").$nskey.'="'.$nsvalue.'"';
  24
  25                                 $root = new SimpleXMLElement("<".$key."/>");
  26                                 self::from_array($value, $root, $remove_header, $namespaces, false);
  27
  28                                 $dom = dom_import_simplexml($root)->ownerDocument;
  29                                 $dom->formatOutput = true;
  30                                 $xml = $dom;
  31
  32                                 $xml_text = $dom->saveXML();
  33
  34                                 if ($remove_header)
  35                                         $xml_text = trim(substr($xml_text, 21));
  36
  37                                 return $xml_text;
  38                         }
  39                 }
  40
  41                 foreach($array as $key => $value) {
  42                         if ($key == "@attributes") {
  43                                 if (!isset($element) OR !is_array($value))
  44                                         continue;
  45
  46                                 foreach ($value as $attr_key => $attr_value) {
  47                                         $element_parts = explode(":", $attr_key);
  48                                         if ((count($element_parts) > 1) AND isset($namespaces[$element_parts[0]]))
  49                                                 $namespace = $namespaces[$element_parts[0]];
  50                                         else
  51                                                 $namespace = NULL;
  52
  53                                         $element->addAttribute ($attr_key, $attr_value, $namespace);
  54                                 }
  55
  56                                 continue;
  57                         }
  58
  59                         $element_parts = explode(":", $key);
  60                         if ((count($element_parts) > 1) AND isset($namespaces[$element_parts[0]]))
  61                                 $namespace = $namespaces[$element_parts[0]];
  62                         else
  63                                 $namespace = NULL;
  64
  65                         if (!is_array($value))
  66                                 $element = $xml->addChild($key, xmlify($value), $namespace);
  67                         elseif (is_array($value)) {
  68                                 $element = $xml->addChild($key, NULL, $namespace);
  69                                 self::from_array($value, $element, $remove_header, $namespaces, false);
  70                         }
  71                 }
  72         }
  73
  74         /**
  75          * @brief Copies an XML object
  76          *
  77          * @param object $source The XML source
  78          * @param object $target The XML target
  79          * @param string $elementname Name of the XML element of the target
  80          */
  81         function copy(&$source, &$target, $elementname) {
  82                 if (count($source->children()) == 0)
  83                         $target->addChild($elementname, xmlify($source));
  84                 else {
  85                         $child = $target->addChild($elementname);
  86                         foreach ($source->children() AS $childfield => $childentry)
  87                                 self::copy($childentry, $child, $childfield);
  88                 }
  89         }
  90 }
  91 ?>