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     var $xml;
  13     var $indent;
  14     var $stack = array();
  15     function XmlWriterOemr($indent = '  ') {
  16         $this->indent = $indent;
  17         $this->xml = '<?xml version="1.0" encoding="utf-8"?>'."\n";
  18     }
  19     function _indent() {
  20         for ($i = 0, $j = count($this->stack); $i < $j; $i++) {
  21             $this->xml .= $this->indent;
  22         }
  23     }
  24     function push($element, $attributes = array()) {
  25         $this->_indent();
  26         $this->xml .= '<'.$element;
  27         foreach ($attributes as $key => $value) {
  28             $this->xml .= ' '.htmlspecialchars($key).'="'.htmlspecialchars($value).'"';
  29         }
  30         $this->xml .= ">\n";
  31         $this->stack[] = htmlspecialchars($element);
  32     }
  33     function element($element, $content, $attributes = array()) {
  34         $this->_indent();
  35         $this->xml .= '<'.$element;
  36         foreach ($attributes as $key => $value) {
  37             $this->xml .= ' '.htmlspecialchars($key).'="'.htmlspecialchars($value).'"';
  38         }
  39         $this->xml .= '>'.htmlspecialchars($content).'</'.htmlspecialchars($element).'>'."\n";
  40     }
  41     function emptyelement($element, $attributes = array()) {
  42         $this->_indent();
  43         $this->xml .= '<'.htmlspecialchars($element);
  44         foreach ($attributes as $key => $value) {
  45             $this->xml .= ' '.htmlspecialchars($key).'="'.htmlspecialchars($value).'"';
  46         }
  47         $this->xml .= " />\n";
  48     }
  49     function pop() {
  50         $element = array_pop($this->stack);
  51         $this->_indent();
  52         $this->xml .= "</".htmlspecialchars($element).">"."\n";
  53     }
  54     function getXml() {
  55         return $this->xml;
  56     }
  57 }
  58
  59 ?>