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   1  <?php
   2  
   3      // helper class for parsing LOCK request bodies
   4      class _parse_lockinfo 
   5    {
   6          var $owner = "";
   7          var $collect_owner = false;
   8      
   9      function _parse_lockinfo($path) 
  10          {
  11                  $this->success = true;
  12                  $had_input = false;
  13  
  14                  $xml_parser = xml_parser_create_ns("UTF-8", " ");
  15                  xml_set_element_handler($xml_parser,
  16                                                                  array(&$this, "_startElement"),
  17                                                                  array(&$this, "_endElement"));
  18                  xml_set_character_data_handler($xml_parser,
  19                                                                               array(&$this, "_data"));
  20                  xml_parser_set_option($xml_parser,
  21                                                              XML_OPTION_CASE_FOLDING, false);
  22  
  23                  $f_in = fopen($path, "r");
  24                  while($this->success && !feof($f_in)) {
  25                      $line = fgets($f_in);
  26                      if (is_string($line)) {
  27                          $line = trim($line);
  28                          if($line == "") continue;
  29                          $had_input = true;
  30                          $this->success &= xml_parse($xml_parser, $line, false);
  31                      }
  32                  } 
  33                  if($had_input) {
  34                      $this->success &= xml_parse($xml_parser, "", true);
  35                  }
  36                  fclose($f_in);
  37  
  38                  xml_parser_free($xml_parser);
  39          }
  40      
  41  
  42      function _startElement($parser,
  43                             $name,
  44                             $attrs) {
  45          if (strstr($name, " ")) {
  46              list($ns, $tag) = explode(" ", $name);
  47          } else {
  48              $ns = "";
  49              $tag = $name;
  50          }
  51  
  52          if ($this->collect_owner) {
  53              $ns_short = "";
  54              $ns_attr = "";
  55              if ($ns) {
  56                  if ($ns == "DAV:") {
  57                      $ns_short = "D:";
  58                  } else {
  59                      $ns_attr = " xmlns='$ns'";
  60                  }
  61              }
  62              $this->owner .= "<$ns_short$tag$ns_attr>";
  63          } else if ($ns == "DAV:") {
  64              switch ($tag) {
  65                  case "write":
  66                      $this->locktype = $tag;
  67                      break;
  68                  case "exclusive":
  69                  case "shared":
  70                      $this->lockscope = $tag;
  71                      break;
  72                  case "owner":
  73                      $this->collect_owner = true;
  74                      break;
  75              }
  76          }
  77      }
  78  
  79      function _data($parser,
  80                     $data) {
  81          if ($this->collect_owner) {
  82              $this->owner .= $data;
  83          }
  84      }
  85  
  86      function _endElement($parser, $name) {
  87              if (strstr($name, " ")) {
  88                  list($ns, $tag) = explode(" ", $name);
  89              } else {
  90                  $ns = "";
  91                  $tag = $name;
  92              }
  93              if (($ns == "DAV:") && ($tag == "owner")) {
  94                  $this->collect_owner = false;
  95              }
  96              if ($this->collect_owner) {
  97                  $ns_short = "";
  98                  $ns_attr = "";
  99                  if ($ns) {
 100                      if ($ns == "DAV:") {
 101                      $ns_short = "D:";
 102                      } else {
 103                          $ns_attr = " xmlns='$ns'";
 104                      }
 105                  }
 106                  $this->owner .= "</$ns_short$tag$ns_attr>";
 107              }
 108      }
 109  }
 110  
 111  ?>