ExpatParser::parse PHP Method

    function parse()
    {
        while (($data = $this->reader->read()) !== -1) {
            if (!xml_parse($this->parser, $data, $this->reader->eof())) {
                $error = xml_error_string(xml_get_error_code($this->parser));
                $e = new ExpatParseException($error, $this->getLocation());
                xml_parser_free($this->parser);
                throw $e;
            }
        }
        xml_parser_free($this->parser);
        return 1;
    }

 /**
  * Transform the data dump input file into SQL and writes it to the output stream.
  *
  * @param      PhingFile $xmlFile
  * @param      Writer $out
  */
 public function transform(PhingFile $xmlFile, Writer $out)
 {
     $this->sqlWriter = $out;
     // Reset some vars just in case this is being run multiple times.
     $this->currTableName = $this->currBuilder = null;
     $this->builderClazz = $this->generatorConfig->getBuilderClassname('datasql');
     try {
         $fr = new FileReader($xmlFile);
     } catch (Exception $e) {
         throw new BuildException("XML File not found: " . $xmlFile->getAbsolutePath());
     }
     $br = new BufferedReader($fr);
     $this->parser = new ExpatParser($br);
     $this->parser->parserSetOption(XML_OPTION_CASE_FOLDING, 0);
     $this->parser->setHandler($this);
     try {
         $this->parser->parse();
     } catch (Exception $e) {
         print $e->getMessage() . "\n";
         $br->close();
     }
     $br->close();
 }