library/classes/XmlWriterOemr.class.php

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