-

bl-kernel/url.class.php

@@ -0,0 +1,193 @@
+<?php defined('BLUDIT') or die('Bludit CMS.');
+
+class Url
+{
+	protected $uri;
+	protected $uriStrlen;
+	protected $whereAmI;
+	protected $slug;
+	protected $filters; // Filters for the URI
+	protected $notFound;
+	protected $parameters;
+	protected $activeFilter;
+	protected $httpCode;
+	protected $httpMessage;
+
+	function __construct()
+	{
+		// Decodes any %## encoding in the given string. Plus symbols ('+') are decoded to a space character.
+		$decode = urldecode($_SERVER['REQUEST_URI']);
+
+		// Remove parameters GET, I don't use parse_url because has problem with utf-8
+		$explode = explode('?', $decode);
+		$this->uri = $explode[0];
+		$this->parameters = $_GET;
+		$this->uriStrlen = Text::length($this->uri);
+		$this->whereAmI = 'home';
+		$this->notFound = false;
+		$this->slug = '';
+		$this->filters = array();
+		$this->activeFilter = '';
+		$this->httpCode = 200;
+		$this->httpMessage = 'OK';
+	}
+
+	// Filters change for different languages
+	// Ex (Spanish): Array('post'=>'/publicacion/', 'tag'=>'/etiqueta/', ....)
+	// Ex (English): Array('post'=>'/post/', 'tag'=>'/tag/', ....)
+	public function checkFilters($filters)
+	{
+		// Put the "admin" filter first
+		$adminFilter['admin'] = $filters['admin'];
+		unset($filters['admin']);
+		uasort($filters, array($this, 'sortByLength'));
+		$this->filters = $adminFilter + $filters;
+
+		foreach ($this->filters as $filterName=>$filterURI) {
+			// $filterName = 'category'
+			// $filterURI = '/category/'
+			// $filterURIwoSlash = '/category'
+			$filterURIwoSlash = rtrim($filterURI, '/');
+
+			// $filterFull = '/base_url/category/'
+			$filterFull = ltrim($filterURI, '/');
+			$filterFull = HTML_PATH_ROOT.$filterFull;
+			$filterFullLength = Text::length($filterFull);
+
+			$subString = mb_substr($this->uri, 0, $filterFullLength, CHARSET);
+
+			// Check coincidence without the last slash at the end, this case is not found
+			if ($subString==$filterURIwoSlash) {
+				$this->setNotFound();
+				return false;
+			}
+
+			// Check coincidence with complete filterURI
+			if ($subString==$filterFull) {
+				$this->slug = mb_substr($this->uri, $filterFullLength);
+				$this->setWhereAmI($filterName);
+				$this->activeFilter = $filterURI;
+
+				if (empty($this->slug) && ($filterName=='blog')) {
+					$this->setWhereAmI('blog');
+				} elseif (!empty($this->slug) && ($filterName=='blog')) {
+					$this->setNotFound();
+					return false;
+				} elseif (empty($this->slug) && ($filterURI=='/')) {
+					$this->setWhereAmI('home');
+				} elseif (!empty($this->slug) && ($filterURI=='/')) {
+					$this->setWhereAmI('page');
+				} elseif ($filterName=='admin') {
+					$this->slug = ltrim($this->slug, '/');
+				}
+
+				return true;
+			}
+		}
+
+		$this->setNotFound();
+		return false;
+	}
+
+	public function slug()
+	{
+		return $this->slug;
+	}
+
+	public function setSlug($slug)
+	{
+		$this->slug = $slug;
+	}
+
+	public function activeFilter()
+	{
+		return $this->activeFilter;
+	}
+
+	public function explodeSlug($delimiter="/")
+	{
+		return explode($delimiter, $this->slug);
+	}
+
+	public function uri()
+	{
+		return $this->uri;
+	}
+
+	// Return the filter of type (e.g. tag => /tag/, category => /category/, etc.)
+	public function filters($type, $trim=true)
+	{
+		$filter = $this->filters[$type];
+		if ($trim) {
+			$filter = trim($filter, '/');
+		}
+		return $filter;
+	}
+
+	// Returns where is the user, home, pages, categories, tags..
+	public function whereAmI()
+	{
+		return $this->whereAmI;
+	}
+
+	public function setWhereAmI($where)
+	{
+		$GLOBALS['WHERE_AM_I'] = $where;
+		$this->whereAmI = $where;
+	}
+
+	public function notFound()
+	{
+		return $this->notFound;
+	}
+
+	public function pageNumber()
+	{
+		if (isset($this->parameters['page'])) {
+			return (int)$this->parameters['page'];
+		}
+		return 1;
+	}
+
+	public function parameter($field)
+	{
+		if (isset($this->parameters[$field])) {
+			return $this->parameters[$field];
+		}
+		return false;
+	}
+
+	public function setNotFound()
+	{
+		$this->setWhereAmI('page');
+		$this->notFound = true;
+		$this->httpCode = 404;
+		$this->httpMessage = 'Not Found';
+	}
+
+	public function httpCode()
+	{
+		return $this->httpCode;
+	}
+
+	public function setHttpCode($code = 200)
+	{
+		$this->httpCode = $code;
+	}
+
+	public function httpMessage()
+	{
+		return $this->httpMessage;
+	}
+
+	public function setHttpMessage($msg = 'OK')
+	{
+		$this->httpMessage = $msg;
+	}
+
+	private function sortByLength($a, $b)
+	{
+		return strlen($b)-strlen($a);
+	}
+
+}