git.m6w6.name Git - mdref/mdref/blob - mdref/Action.php

   1 <?php
   2
   3 namespace mdref;
   4
   5 use http\Controller\Observer;
   6
   7 /**
   8  * The sole action controller of mdref
   9  */
  10 class Action extends Observer
  11 {
  12         private function serveReference(\http\Url $url, \http\Controller\Payload $payload) {
  13                 $finder = new Finder($this->baseUrl, REFS);
  14                 $path = $finder->find($url);
  15                 $payload->listing = new RefListing($path,
  16                                 $finder->glob($path, "/[_a-zA-Z]*.md"));
  17                 $payload->title = $payload->listing->getSelf()->formatLink();
  18                 $payload->refs = $finder;
  19                 if ($path->isFile()) {
  20                         $payload->html = new Markdown($path);
  21                         $payload->sublisting = new RefListing($path,
  22                                         $finder->glob($path, "/[_a-z]*.md"));
  23                         return true;
  24                 }
  25         }
  26
  27         private function serveInternal(\http\Url $url, \http\Controller\Payload $payload) {
  28                 $finder = new Finder($this->baseUrl, ROOT);
  29                 $path = $finder->find($url, "");
  30                 if ($path->isFile("")) {
  31                         $payload->html = $path->toHtml();
  32                         return true;
  33                 }
  34         }
  35
  36         private function getType($file) {
  37                 static $inf = null;
  38                 static $typ = array(".css" => "text/css", ".js" => "applicatin/javascript");
  39
  40                 $ext = strrchr($file, ".");
  41                 if (isset($typ[$ext])) {
  42                         return $typ[$ext];
  43                 }
  44
  45                 if (!$inf) {
  46                         $inf = new \FINFO(FILEINFO_MIME_TYPE);
  47                 }
  48                 return $inf->file($file);
  49         }
  50
  51         private function servePublic(\http\Url $url, \http\Env\Response $res) {
  52                 $finder = new Finder($this->baseUrl, ROOT."/public");
  53                 $path = $finder->find($url, "");
  54                 if ($path->isFile("")) {
  55                         $res->setHeader("Content-Type", $this->getType($path->getFullPath("")));
  56                         $res->setBody(new \http\Message\Body(fopen($path->getFullPath(""),"r")));
  57                         return true;
  58                 }
  59         }
  60
  61         /**
  62          * Implements \SplObserver
  63          * @param \SplSubject $ctl
  64          */
  65         function update(\SplSubject $ctl) {
  66                 /* @var \http\Controller $ctl */
  67                 try {
  68                         $pld = $ctl->getPayload();
  69                         $pld->baseUrl = $this->baseUrl;
  70                         $url = $this->baseUrl->mod($ctl->getRequest()->getRequestUrl());
  71
  72                         if ($this->serveReference($url, $pld) || $this->serveInternal($url, $pld)) {
  73                                 return;
  74                         } elseif ($this->servePublic($url, $ctl->getResponse())) {
  75                                 $ctl->detachAll("\\http\\Controller\\Observer\\View");
  76                                 return;
  77                         }
  78
  79                         /* fallthrough */
  80                         if (strcmp($url->path, $this->baseUrl->path)) {
  81                                 throw new \http\Controller\Exception(404, "Could not find '$url'");
  82                         }
  83                 } catch (\Exception $e) {
  84                         $ctl->getPayload()->exception = $e;
  85                 }
  86         }
  87 }