sourcefile = $sourcefile; $this->format = $format; $this->readSource(); } /** * Check for and parse query string from $_SERVER['QUERY_STRING']). * Used to get entries by ID or tag. * * @return array|boolean */ public function parseQuery() { if (isset($_SERVER['QUERY_STRING'])) { parse_str($_SERVER['QUERY_STRING'], $return); return $return; } return false; } /** * Read source file * * @return boolean true if successful, false if not */ private function readSource() { if (is_file($this->sourcefile) && is_readable($this->sourcefile)) { $this->rawentries = file($this->sourcefile); if (!empty($this->rawentries)) { return true; } } throw new \Exception("{$this->sourcefile} is empty! Aborting."); return false; } /** * Parse entries from source file and replace tags with links * * @param array $entries array of raw entries * @return void */ private function parseEntries(array $entries, bool $parseTags = true) { switch ($this->format) { case 'twtxt': $pattern = '/^(?[0-9-T:Z]+)\t(?.*)/'; break; case 'picoblog': $pattern = '/^(?[0-9-T:Z]+)\t(?[a-zA-Z0-9]{6})\t(?.*)/'; break; } foreach ($entries as $i => $entry) { preg_match($pattern, $entry, $matches); if (!$matches) continue; $id = (!empty($matches['id'])) ? $matches['id'] : $i; $parsedEntries[$id] = [ 'date' => $matches['date'], 'entry' => ($parseTags) ? preg_replace('/#(\w+)?/', '#${1}', $matches['entry']) : $matches['entry'], ]; } return $parsedEntries; } /** * Returns a filtered list of raw entries * * @param string|array $search entry filter. can be 'all', 'newest', 'oldest', 'random' or an ID/Tag. * For ID, we're looking for ['id'=>'IDHERE']. For tag, we're looking for ['tag'=>'tagname'] * @return boolean|array */ public function getEntries($search) { switch ($search) { case '': return false; case 'all': return $this->rawentries; case 'newest': return [reset($this->rawentries)]; case 'oldest': return [end($this->rawentries)]; case 'random': return [$this->rawentries[array_rand($this->rawentries, 1)]]; default: if (isset($search['id'])) { $filter = array_filter($this->rawentries, function ($entry) use ($search) { preg_match("/\b$search[id]\b/i", $entry, $match); return $match; }); return $filter; } elseif (isset($search['tag'])) { $filter = array_filter($this->rawentries, function ($entry) use ($search) { preg_match("/#\b$search[tag]\b/i", $entry, $match); return $match; }); return $filter; } return false; } } /** * Render Markdown in given entries and output as HTML * * @param array $entries array of parsed entries to render * @param string $entryWrap tne entry wrapper, e.g.

{entry}

* @param bool $parseTags should #tags be parsed to links? * @return string entries in HTML */ public function renderEntries(array $entries, string $entryWrap = '

{entry}

', bool $parseTags = true) { if (!$entries) return false; $entries = $this->parseEntries($entries, $parseTags); require_once('Slimdown.php'); $html = ''; foreach ($entries as $id => $entry) { $text = \Slimdown::render($entry['entry']); $date = $entry['date']; $text = "[{$id}] " . $text; $html .= str_replace('{entry}', $text, $entryWrap); } return $html; } }