interceptor.phpをPHP5で書き直していく。メインのクラスになるHIMMELは大体できあがった。
class HIMMEL
{
protected $id;
protected $mode;
protected $xhtml_version;
protected $sdf_source;
function HIMMEL($mode, $id, $sdf_source = NULL)
{
$this->id = is_file((ROOT == "/" ? "" : ROOT) . ($id == "/" ? "" : $id) . "/index.xml") ? $id : xmlError();
$this->mode = $mode;
$this->sdf_source = $sdf_source;
/* Select XHTML version */
$request_headers = apache_request_headers();
$accept = explode(",", $request_headers["Accept"]);
if (in_array("application/xhtml+xml", $accept)) {
$this->xhtml_version = (double) 1.1;
} else {
$this->xhtml_version = (double) 1.0;
}
/* Apply S3 */
$xhtml = $this->applyS3();
/* HTTP Headers */
$this->HTTPHeaders($xhtml);
print $xhtml;
}
function applyS3()
{
/* Apply S3 */
if ($this->mode == "intercept") {
$result = $this->SmartXSLT((ROOT == "/" ? "" : ROOT) . ($this->id == "/" ? "" : $this->id) . "/index.xml",
(ROOT == "/" ? "" : ROOT) . "/s3/interface.xsl"
);
} elseif($this->mode == "receive") {
$result = $this->SmartXSLT($this->sdf_source, (ROOT == "/" ? "" : ROOT) . "/s3/interface.xsl");
}
/* For old brosers */
if ($this->xhtml_version == 1.0) {
$result = $this->SmartXSLT($result, (ROOT == "/" ? "" : ROOT) . "/s3/11to10.xsl");
}
/* Strip space nodes and indent */
$indent = new DomDocument();
$indent->preserveWhiteSpace = FALSE;
$indent->loadXML($result);
$result = $indent->saveXML();
$result = $this->SmartXSLT($result, (ROOT == "/" ? "" : ROOT) . "/himmel/indent.xsl");
/* Clean up namespace */
$result = $this->SmartXSLT($result, (ROOT == "/" ? "" : ROOT) . "/himmel/valid.xsl");
// Hack for IE6
if (preg_match("/MSIE 6.0/", $_SERVER["HTTP_USER_AGENT"])) {
$result = preg_replace("/<\?xml.*?\?>\n/", "", $result);
}
// Hacks
$result = preg_replace("/(<.*?[^ ])\/>/is", "$1 />", $result);
$result = preg_replace("/<textarea(.*?)\/>/is", '<textarea$1></textarea>', $result);
$result = preg_replace("/<script(.*?)\/>/is", '<script$1></script>', $result);
return $result;
}
function SmartXSLT($xmls, $xsls, $param = NULL)
{
/* Load the sources */
$xml = new DomDocument();
is_file($xmls) ? $xml->load($xmls) : $xml->loadXML($xmls);
$xsl = new DomDocument();
is_file($xsls) ? $xsl->load($xsls) : $xsl->loadXML($xsls);
/* XSLT */
$proc = new xsltprocessor;
$proc->importStyleSheet($xsl);
return $proc->transformToXML($xml);
}
function HTTPHeaders($xhtml)
{
/* Get Modified */
$dom_mod = new DomDocument;
$dom_mod->loadXML($xhtml);
$xph_mod = new domXPath($dom_mod);
$xph_mod->registerNamespace("xh", "http://www.w3.org/1999/xhtml");
$node_mod = $xph_mod->query("/xh:html/xh:head/xh:meta[./@name = 'WWWC']");
$modified = $node_mod->item(0)->getAttribute("content");
$modified = str_replace("/", "-", substr($modified, 0, 10)) . "T" . substr($modified, -5, 5) . "Z";
$modified = parse_w3cdtf($modified);
$modified = $modified["timestamp"];
// If-Modified-Since
if ($request_headers["If-Modified-Since"]) {
$since = parse_http_date($request_headers["If-Modified-Since"]);
if ($since["timestamp"] >= $modified) {
header("HTTP/1.1 304 Not Modified");
exit();
}
}
// Send HTTP Headers
if ($this->version_xhtml >= 1.1) {
header("Content-Type: application/xhtml+xml; charset=UTF-8");
} elseif ($this->version_xhtml == 1.0) {
header("Content-Type: text/html; charset=UTF-8");
}
header("Last-Modified: " . gmdate("D, d M Y H:i:s", $modified) . " GMT");
header("Content-Style-Type: text/css");
header("Content-Script-Type: text/javascript");
}
}オブジェクト指向なんて何年も前にJavaScriptで触って以来なのでよく分からない。特に変数をどうするかが難しい。そもそも処理がほとんど1本道なのでオブジェクト指向の利点が無いような気もする。
http://yudai.arielworks.com/memo/2004/07/14/223027.trackback
末尾に「7 + 2」の計算結果を繋げて下さい。例えば計算結果が「17」の場合、「223027.trackback17」です。これは機械的なトラックバックスパムを防止するための措置です。