inc/xml/xmlarray.inc

   1 <?
   2 /*
   3  * XML Array class - parses an XML file and inserts the parsed data into a
   4  * multidimensional array.
   5  *
   6  * Version 1.2 - 2001-03-02 - Chris Bolt - chris at bolt dot cx
   7  *
   8  * Simple Usage: $xmlfile = new xmlarray();
   9  *               $arr = $xmlfile->parsefile("somefile.xml");
  10  *
  11  * More detailed documentation can be found at
  12  * http://www.bolt.cx/apps/xmlarray/xmlarray.html
  13  */
  14
  15 // for html decoding
  16 include_once("string.inc");
  17
  18 class xmlarray {
  19
  20   var $parser;
  21   var $data = array(), $indexes = array();
  22   var $indexidx = -1;
  23   var $position;
  24   var $idname;
  25   var $combine, $combined = false;
  26   var $xmlerrorcode, $xmlerrorline;
  27   var $useincpath, $rootarray;
  28   var $newelement;
  29
  30   function startElement($parser, $name, $attribs) {
  31         $this->newelement = true;
  32     $this->indexidx++;
  33         //($this->indexes[$this->indexidx]["name"] != $name && ! $this->indexes[$this->indexidx]["name"]) ? $this->indexes[$this->indexidx] = array("count" => 0, "name" => $name) : $this->indexes[$this->indexidx]["count"]++;
  34     if (empty($this->indexes[$this->indexidx]['name']) && isset($name) ) {
  35                 $this->indexes[$this->indexidx] = array("count" => 0, "name" => $name);
  36         } else {
  37                 $this->indexes[$this->indexidx]["count"]++;
  38         }
  39         if (empty($this->position) ) {
  40          $this->position="";
  41         }
  42         $this->position .= "[\"$name\"][" . (isset($this->indexes[$this->indexidx]["count"]) ? $this->indexes[$this->indexidx]["count"] : 0 ) . "]";
  43
  44     if (sizeof($attribs)) {
  45       $atts = array();
  46       while (list($k, $v) = each($attribs))
  47         $atts[$k] = $v;
  48       eval("\$this->data$this->position = \$atts;");
  49     }
  50   }
  51
  52   function endElement($parser, $name) {
  53     unset($this->indexes[$this->indexidx + 1]);
  54     $this->indexidx--;
  55
  56     // for empty elements; too much sofisticated:)
  57     $pos = "\$this->data{$this->position}";
  58     $value = @eval("return $pos;");
  59     if (empty($value) ) {
  60       eval("$pos = '';");
  61     }
  62
  63     for ($i = 0; $i < 2; $i++)
  64       $this->position = substr($this->position, 0, strrpos($this->position, "["));
  65   }
  66
  67   function characterData($parser, $data) {
  68     // replace parse_nl to &#10;
  69     $data = str_replace("#parse_nl#","&#10;",$data);
  70     // unhtml
  71     $data = String::unhtmlspecialchars($data);
  72
  73     // position for eval
  74     $pos = "\$this->data$this->position";
  75
  76     // only non blank element will be parsed
  77     if (trim($data)) {
  78       $code = "if (count($pos) < 1)
  79   $pos = \$data;
  80 elseif (\$this->newelement == false)
  81   $pos .= \$data;
  82 elseif (count($pos) == 1) {
  83   \$tmp = array($pos, \$data);
  84   $pos = \$tmp;
  85 } else
  86   $pos" . "[] = \$data;";
  87       @eval($code);
  88     }
  89       $this->newelement = false;
  90   }
  91
  92   function walkarray(&$array) {
  93         if (!is_array($array)) return $array;
  94     reset($array);
  95     while (list($key, $value) = each($array)) {
  96       if (is_array($array[$key])) {
  97         if (count($array[$key]) == 1)
  98           $array[$key] = $array[$key][key($array[$key])];
  99         if (is_array($array[$key])) {
 100           $array[$key] = $this->walkarray($array[$key]);
 101 //          if (!empty($this->idname) && !empty($array[$key][$this->idname]) && is_int($key)) {
 102           if (($this->idname != "") && (($array[$key][$this->idname] != "") || is_int($array[$key][$this->idname])) && is_int($key)) {
 103             if (ereg("[^0-9]", $array[$key][$this->idname]))
 104               $array[$array[$key][$this->idname]] = $array[$key];
 105             else
 106               $array["$this->idname" . "_" . $array[$key][$this->idname]] = $array[$key];
 107             unset($array[$key]);
 108           }
 109         }
 110       }
 111     }
 112     return $array;
 113   }
 114
 115   function xmlarray($idname = "", $rootarray = "", $combinesinglearrays = true, $useincpath = false) {
 116     $this->idname = $idname;
 117     $this->rootarray = $rootarray;
 118     $this->combine = $combinesinglearrays;
 119     $this->useincpath = $useincpath;
 120   }
 121
 122   function parsefile($filename) {
 123     $numargs = func_num_args();
 124     if ($numargs > 1) {
 125       $funcarg = func_get_arg(0);
 126       $temparray = $this->parsefile($funcarg);
 127       for ($i = 1; $i < $numargs; $i++) {
 128         $funcarg = func_get_arg($i);
 129         $temparray = array_merge_recursive($temparray, $this->parsefile($funcarg));
 130       }
 131       return $temparray;
 132     }
 133     else
 134       $filename = func_get_arg(0);
 135
 136     $this->data = array();
 137     $this->indexes = array();
 138     $this->indexidx = -1;
 139     unset($this->position);
 140     $this->combined = false;
 141
 142     $this->parser = xml_parser_create();
 143     xml_set_object($this->parser, $this);
 144     xml_parser_set_option($this->parser, XML_OPTION_CASE_FOLDING, 0);
 145     xml_set_element_handler($this->parser, "startElement", "endElement");
 146     xml_set_character_data_handler($this->parser, "characterData");
 147
 148     $fp = fopen($filename, "r", $this->useincpath);
 149     if ($fp) {
 150       while ($tmpdata = fread($fp, 4096))
 151         if (!xml_parse($this->parser, $tmpdata, feof($fp))) {
 152           $this->xmlerrorcode = xml_get_error_code($this->parser);
 153           $this->xmlerrorline = xml_get_current_line_number($this->parser);
 154           xml_parser_free($this->parser);
 155           fclose($fp);
 156           return false;
 157         }
 158       fclose($fp);
 159     }
 160
 161     if ($this->combine == true) {
 162       $this->data = $this->walkarray($this->data);
 163       $this->combined = true;
 164     }
 165     xml_parser_free($this->parser);
 166
 167     return ($this->rootarray != "") ? $this->data[$this->rootarray] : $this->data;
 168   }
 169
 170   function parse($data) {
 171     // fix to \n proper parsing
 172     // \n is replaced by #parse_nl#
 173     // back replace is in characterData function
 174     $data = str_replace("&#10;","#parse_nl#",$data);
 175
 176     $this->data = array();
 177     $this->indexes = array();
 178     $this->indexidx = -1;
 179     unset($this->position);
 180     $this->combined = false;
 181
 182     $this->parser = xml_parser_create();
 183     xml_set_object($this->parser, $this);
 184     xml_parser_set_option($this->parser, XML_OPTION_CASE_FOLDING, 0);
 185     xml_set_element_handler($this->parser, "startElement", "endElement");
 186     xml_set_character_data_handler($this->parser, "characterData");
 187
 188     if (!xml_parse($this->parser, $data,1)) {
 189       $this->xmlerrorcode = xml_error_string(xml_get_error_code($this->parser));
 190       $this->xmlerrorline = xml_get_current_line_number($this->parser);
 191         echo $this->xmlerrorcode."<br>";
 192         echo $this->xmlerrorline;
 193           xml_parser_free($this->parser);
 194       return false;
 195     }
 196
 197     if ($this->combine == true) {
 198       $this->data = $this->walkarray($this->data);
 199       $this->combined = true;
 200     }
 201     xml_parser_free($this->parser);
 202
 203     return ($this->rootarray != "") ? $this->data[$this->rootarray] : $this->data;
 204   }
 205
 206 }
 207 ?>