<?
// BIFE: Build It FastEr - draft 1

define('TAB', '    ');

$file = "data.xml";
$depth = array();
$stack = array();

function startElement($parser, $name, $attrs) {
    global $depth, $stack;
    $stack[] = $name;
    echo str_repeat(TAB, @$depth[$parser]);
    echo "<$name> ";
    foreach ($attrs as $attr => $val) {
        echo "$attr: '$val' ";
    }
    echo "\n";
    @$depth[$parser]++;
}

function endElement($parser, $name) {
    global $depth, $stack;
    array_pop($stack);
    $depth[$parser]--;
}

function characterData($parser, $data) {
    static $last = '';
    global $depth, $stack;
    $current = join('/', $stack);
    $data = trim($data);
    if ($data) {
        echo str_repeat(TAB, @$depth[$parser]);
        if ($current !== $last) {
            $last = $current;
            echo "En $current: ";
        } else {
            echo "             ";
        }
        echo "'$data'\n";
    }
}

$xml_parser = xml_parser_create();
xml_set_element_handler($xml_parser, "startElement", "endElement");
xml_set_character_data_handler($xml_parser, "characterData");
if (!($fp = @fopen($file, "r"))) {
    die("could not open XML input\n");
}

while ($data = fread($fp, 4096)) {
    if (!xml_parse($xml_parser, $data, feof($fp))) {
        die(sprintf("XML error: %s at line %d\n",
                    xml_error_string(xml_get_error_code($xml_parser)),
                    xml_get_current_line_number($xml_parser)));
    }
}
xml_parser_free($xml_parser);

?>