library/classes/XmlWriterOemr.class.php

   1 <?php
   2
   3  // Copyright (C) 2011 Ensoftek
   4  //
   5  // This program is free software; you can redistribute it and/or
   6  // modify it under the terms of the GNU General Public License
   7  // as published by the Free Software Foundation; either version 2
   8  // of the License, or (at your option) any later version.
   9
  10  // This program is the base class to implement XML writer.
  11
  12 class XmlWriterOemr
  13 {
  14     var $xml;
  15     var $indent;
  16     var $stack = array();
  17     function __construct($indent = '  ')
  18     {
  19         $this->indent = $indent;
  20         $this->xml = '<?xml version="1.0" encoding="utf-8"?>' . "\n";
  21     }
  22     function _indent()
  23     {
  24         for ($i = 0, $j = count($this->stack); $i < $j; $i++) {
  25             $this->xml .= $this->indent;
  26         }
  27     }
  28     function push($element, $attributes = array())
  29     {
  30         $this->_indent();
  31         $this->xml .= '<' . $element;
  32         foreach ($attributes as $key => $value) {
  33             $this->xml .= ' ' . htmlspecialchars($key) . '="' . htmlspecialchars($value) . '"';
  34         }
  35
  36         $this->xml .= ">\n";
  37         $this->stack[] = htmlspecialchars($element);
  38     }
  39     function element($element, $content, $attributes = array())
  40     {
  41         $this->_indent();
  42         $this->xml .= '<' . $element;
  43         foreach ($attributes as $key => $value) {
  44             $this->xml .= ' ' . htmlspecialchars($key) . '="' . htmlspecialchars($value) . '"';
  45         }
  46
  47         $this->xml .= '>' . htmlspecialchars($content) . '</' . htmlspecialchars($element) . '>' . "\n";
  48     }
  49     function emptyelement($element, $attributes = array())
  50     {
  51         $this->_indent();
  52         $this->xml .= '<' . htmlspecialchars($element);
  53         foreach ($attributes as $key => $value) {
  54             $this->xml .= ' ' . htmlspecialchars($key) . '="' . htmlspecialchars($value) . '"';
  55         }
  56
  57         $this->xml .= " />\n";
  58     }
  59     function pop()
  60     {
  61         $element = array_pop($this->stack);
  62         $this->_indent();
  63         $this->xml .= "</" . htmlspecialchars($element) . ">" . "\n";
  64     }
  65     function getXml()
  66     {
  67         return $this->xml;
  68     }
  69 }