1:   2:   3:   4:   5:   6:   7:   8:   9:  10:  11:  12:  13:  14:  15:  16:  17:  18:  19:  20:  21:  22:  23:  24:  25:  26:  27:  28:  29:  30:  31:  32:  33:  34:  35:  36:  37:  38:  39:  40:  41:  42:  43:  44:  45:  46:  47:  48:  49:  50:  51:  52:  53:  54:  55:  56:  57:  58:  59:  60:  61:  62:  63:  64:  65:  66:  67:  68:  69:  70:  71:  72:  73:  74:  75:  76:  77:  78:  79:  80:  81:  82:  83:  84:  85:  86:  87:  88:  89:  90:  91:  92:  93:  94:  95:  96:  97:  98:  99: 100: 101: 102: 103: 104: 105: 106: 

<?php /*-*- mode: php; tab-width:4 -*-*/

  /** java_NativeParser.php -- PHP/Java Bridge protocol parser.
   *
   * Copyright (C) 2003-2007 Jost Boekemeier
   * 
   * This file is part of the PHP/Java Bridge.
   * 
   * The PHP/Java Bridge ("the library") is free software; you can
   * redistribute it and/or modify it under the terms of the GNU General
   * Public License as published by the Free Software Foundation; either
   * version 2, or (at your option) any later version.
   * 
   * The library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * General Public License for more details.
   * 
   * You should have received a copy of the GNU General Public License
   * along with the PHP/Java Bridge; see the file COPYING.  If not, write to the
   * Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   * 02111-1307 USA.
   * 
   * Linking this file statically or dynamically with other modules is
   * making a combined work based on this library.  Thus, the terms and
   * conditions of the GNU General Public License cover the whole
   * combination.
   * 
   * As a special exception, the copyright holders of this library give you
   * permission to link this library with independent modules to produce an
   * executable, regardless of the license terms of these independent
   * modules, and to copy and distribute the resulting executable under
   * terms of your choice, provided that you also meet, for each linked
   * independent module, the terms and conditions of the license of that
   * module.  An independent module is a module which is not derived from
   * or based on this library.  If you modify this library, you may extend
   * this exception to your version of the library, but you are not
   * obligated to do so.  If you do not wish to do so, delete this
   * exception statement from your version. 
   *
   * @author     Jost Boekemeier
   * @license    GPL
   * @link       http://php-java-bridge.sf.net
   */
require_once(java_get_base()."/Client.inc");

/**
 * @access private
 */
class java_NativeParser {
  public $parser, $handler;
  public $level, $event;

  public $buf;

  function __construct($handler) {
    $this->handler = $handler;
    $this->parser = xml_parser_create();
    xml_parser_set_option($this->parser, XML_OPTION_CASE_FOLDING, 0);
    xml_set_object($this->parser, $this);
    xml_set_element_handler($this->parser, "begin", "end");
    xml_parse($this->parser, "<F>");
    $this->level = 0;
  }
  function begin($parser, $name, $param) {
    
    $this->event = true;
    switch($name) {
    case 'X': case 'A': $this->level+=1;
    }
    $this->handler->begin($name, $param);
  }
  function end($parser, $name) {
    
    $this->handler->end($name);
    switch($name) {
    case 'X': case 'A': $this->level-=1;
    }
  }
  function getData($str) {
    return base64_decode($str);
  }
  function parse() {
    // NOTE: RECV_SIZE must be the same as the underlying 
    // PHP stream buffer size, otherwise this function will hang.
    do {
      $this->event = false;
      $buf = $this->buf = $this->handler->read(JAVA_RECV_SIZE); 
      $len = strlen($buf);
      if(!xml_parse($this->parser, $buf, $len==0)) {
        $this->handler->protocol->handler->shutdownBrokenConnection(
               sprintf("protocol error: %s, %s at col %d. Check the back end log for OutOfMemoryErrors.",
                    $buf,
                    xml_error_string(xml_get_error_code($this->parser)),
                    xml_get_current_column_number($this->parser)));
      }
    } while(!$this->event || $this->level>0);
  }

  function parserError() {
    $this->handler->protocol->handler->shutdownBrokenConnection(
       sprintf("protocol error: %s. Check the back end log for details.", $this->buf));
  }
}
?>