Ben Roberts
89ddcba363
Since the new design is engine agnostic, removed HandBrake from the class names.
98 lines
3.2 KiB
PHP
98 lines
3.2 KiB
PHP
<?php
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class RippingCluster_RequestParser {
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private $request_string;
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private $page = array();
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private $vars = array();
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public function __construct($request_string) {
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$this->request_string = $request_string;
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$this->parse();
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}
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public function parse() {
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if (!$this->request_string) {
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$this->page = array('home');
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return;
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}
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$components = explode('/', $this->request_string);
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if (!$components) {
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return;
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}
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// Read through the components list looking for elements matching known directories and files
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// to determine which page this request is for
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$base_dir = 'templates';
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while (true) {
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if ($components && ! $components[0]) {
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// Skip over any empty components before we find a page
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array_shift($components);
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}
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if ($components && is_dir($base_dir . '/' . $components[0])) {
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$base_dir .= '/' . $components[0];
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array_push($this->page, array_shift($components));
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} elseif ($components && is_file($base_dir . '/' . $components[0] . '.tpl')) {
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// We have found a valid page, so break the loop here,
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// leaving the remaining components as key/value pairs
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array_push($this->page, array_shift($components));
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break;
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} else {
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// See if we've already seen a component and assumed it referred to a dir when a file of the same name exists
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if ($this->page && is_file($base_dir . '.tpl')) {
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break;
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} elseif ( ! $components && is_file($base_dir . '/index.tpl')) {
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// The last component in the path was a valid directory, and a directory index exists
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array_push($this->page, 'index');
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break;
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} else {
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// No valid page was found, so display an error page
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$this->page = array('404');
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return;
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}
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}
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}
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// The subsequent tokens are parameters for this page in key value pairs
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while ($components) {
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// If the url ended with a trailing slash, the last element will be null
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$last_element = $components[count($components) - 1];
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if ($last_element == "") {
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array_pop($components);
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}
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$this->vars[array_shift($components)] = $components ? array_shift($components) : true;
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}
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}
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public function page() {
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return join('/', $this->page);
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}
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public function exists($key) {
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return isset($this->vars[$key]);
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}
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public function get($key, $default = null) {
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if (isset($this->vars[$key])) {
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return $this->vars[$key];
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}
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if (is_string($default) && preg_match('/^RippingCluster_Exception/', $default) && class_exists($default) && is_subclass_of($default, RippingCluster_Exception)) {
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throw new $default();
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}
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return $default;
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}
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public function request_string() {
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return $this->request_string;
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}
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};
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?>
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