From c362c560652862061d60847db69e457a9ff9060f Mon Sep 17 00:00:00 2001
From: Magnus Manske <magnusmanske@users.mediawiki.org>
Date: Wed, 18 Aug 2004 08:21:35 +0000
Subject: [PATCH] To-be XML parser

---
 includes/ParserXML.php | 106 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 includes/ParserXML.php

diff --git a/includes/ParserXML.php b/includes/ParserXML.php
new file mode 100644
index 0000000000..ee0cbfadc6
--- /dev/null
+++ b/includes/ParserXML.php
@@ -0,0 +1,106 @@
+<?
+# This should one day become the XML->(X)HTML parser
+# Based on work by Jan Hidders and Magnus Manske
+
+//  the base class for an element
+class element {
+  var $name = "";
+  var $attrs = array();
+  var $children = array();
+  
+  function myPrint() {
+    echo "<UL>";
+    echo "<LI> <B> Name: </B> $this->name";
+    // print attributes
+    echo "<LI> <B> Attributes: </B>";
+    foreach ($this->attrs as $name => $value) {
+      echo "$name => $value; " ;
+    }
+    // print children
+    foreach ($this->children as $child) {
+       if ( is_string($child) ) {
+         echo "<LI> $child";
+       } else {
+         $child->myPrint();
+       }
+    }
+    echo "</UL>";
+  }
+
+}
+
+$ancStack = array();    // the stack with ancestral elements
+
+// Three global functions needed for parsing, sorry guys
+function wgXMLstartElement($parser, $name, $attrs) {
+   global $ancStack, $rootElem;
+
+   $newElem = new element;
+   $newElem->name = $name;
+   $newElem->attrs = $attrs;
+   array_push($ancStack, $newElem);
+   // add to parent if parent exists
+   $nrAncs = count($ancStack)-1;
+   if ( $nrAncs > 0 ) {
+     array_push($ancStack[$nrAncs-1]->children, &$ancStack[$nrAncs]);
+   } else {
+     // make extra copy of root element and alias it with the original
+     array_push($ancStack, &$ancStack[0]);
+   }
+}
+
+function wgXMLendElement($parser, $name) {
+  global $ancStack, $rootElem;
+  
+  // pop element of stack
+  array_pop($ancStack);
+}
+
+function wgXMLcharacterData($parser, $data) {
+  global $ancStack, $rootElem;
+  
+  $data = trim ( $data ) ; // Don't add blank lines, they're no use...
+  
+  // add to parent if parent exists
+  if ( $ancStack && $data != "" ) {
+    array_push($ancStack[count($ancStack)-1]->children, $data);   
+  }
+}
+
+
+# Here's the class that generates a nice tree
+class xml2php {
+
+   function &scanFile( $filename ) {
+       global $ancStack;
+       $ancStack = array();
+   
+       $xml_parser = xml_parser_create();
+       xml_set_element_handler($xml_parser, "wgXMLstartElement", "wgXMLendElement");
+       xml_set_character_data_handler($xml_parser, "wgXMLcharacterData");
+       if (!($fp = fopen($filename, "r"))) {
+          die("could not open XML input");
+       }
+       while ($data = fread($fp, 4096)) {
+          if (!xml_parse($xml_parser, $data, feof($fp))) {
+              die(sprintf("XML error: %s at line %d",
+                  xml_error_string(xml_get_error_code($xml_parser)),
+                  xml_get_current_line_number($xml_parser)));
+          }
+       }
+       xml_parser_free($xml_parser);
+
+       // return the remaining root element we copied in the beginning       
+       return $ancStack[0];
+   }
+   
+}
+
+$w = new xml2php;
+$filename = 'sample.xml';
+$result = $w->scanFile( $filename );
+$result->myPrint();
+
+return 0;
+
+?>
\ No newline at end of file
-- 
2.20.1