first commit

system/library/template/template.php

@@ -0,0 +1,94 @@
+<?php
+namespace Opencart\System\Library\Template;
+/**
+ * Class Template
+ *
+ * @package
+ */
+class Template {
+	protected string $directory = '';
+	protected array $path = [];
+
+	/**
+	 * addPath
+	 *
+	 * @param    string  $namespace
+	 * @param    string  $directory
+	 *
+	 * @return	 void
+	 */
+	public function addPath(string $namespace, string $directory = ''): void {
+		if (!$directory) {
+			$this->directory = $namespace;
+		} else {
+			$this->path[$namespace] = $directory;
+		}
+	}
+
+	/**
+	 * Render
+	 *
+	 * @param	string	$filename
+	 * @param	array	$data
+	 * @param	string	$code
+	 *
+	 * @return	string
+	 */
+	public function render(string $filename, array $data = [], string $code = ''): string {
+		if (!$code) {
+			$file = $this->directory . $filename . '.tpl';
+
+			$namespace = '';
+
+			$parts = explode('/', $filename);
+
+			foreach ($parts as $part) {
+				if (!$namespace) {
+					$namespace .= $part;
+				} else {
+					$namespace .= '/' . $part;
+				}
+
+				if (isset($this->path[$namespace])) {
+					$file = $this->path[$namespace] . substr($filename, strlen($namespace) + 1) . '.tpl';
+				}
+			}
+
+			if (isset($file) && is_file($file)) {
+				$code = file_get_contents($file);
+			} else {
+				throw new \Exception('Error: Could not load template ' . $filename . '!');
+			}
+		}
+
+		if ($code) {
+			ob_start();
+
+			extract($data);
+
+			include($this->compile($filename, $code));
+
+			return ob_get_clean();
+		} else {
+			return '';
+		}
+	}
+
+	/**
+	 * Compile
+	 *
+	 * @param	string	$filename
+	 * @param	string	$code
+	 *
+	 * @return	string
+	 */
+	protected function compile(string $filename, string $code): string {
+		$file = DIR_CACHE . 'template/' . hash('md5', $filename . $code) . '.php';
+
+		if (!is_file($file)) {
+			file_put_contents($file, $code, LOCK_EX);
+		}
+
+		return $file;
+	}
+}

system/library/template/twig.php

@@ -0,0 +1,123 @@
+<?php
+namespace Opencart\System\Library\Template;
+/**
+ * Class Twig
+ *
+ * @package
+ */
+class Twig {
+	/**
+	 * @var string
+	 */
+	protected string $root;
+	/**
+	 * @var object|\Twig\Loader\FilesystemLoader
+	 */
+	protected object $loader;
+	/**
+	 * @var string
+	 */
+	protected string $directory;
+	/**
+	 * @var array
+	 */
+	protected array $path = [];
+
+	/**
+	 * Constructor
+	 *
+	 * @param    string $adaptor
+	 *
+	 */
+	public function __construct() {
+		// Unfortunately, we have to set the web root directory as the base since Twig confuses which template cache to use.
+		$this->root = substr(DIR_OPENCART, 0, -1);
+
+		// We have to add the C directory as the base directory because twig can only accept the first namespace/,
+		// rather than a multiple namespace system, which took me less than a minute to write. If symphony is like
+		// this, then I have no idea why people use the framework.
+		$this->loader = new \Twig\Loader\FilesystemLoader('/', $this->root);
+	}
+
+	/**
+	 * addPath
+	 *
+	 * @param    string $namespace
+	 * @param    string $directory
+	 *
+	 * @return	 void
+	 */
+	public function addPath(string $namespace, string $directory = ''): void {
+		if (!$directory) {
+			$this->directory = $namespace;
+		} else {
+			$this->path[$namespace] = $directory;
+		}
+	}
+
+	/**
+	 * Render
+	 *
+	 * @param	string	$filename
+	 * @param	array	$data
+	 * @param	string	$code
+	 *
+	 * @return	string
+	 */
+	public function render(string $filename, array $data = [], string $code = ''): string {
+		$file = $this->directory . $filename . '.twig';
+
+		/*
+		 * FYI all the Twig lovers out there!
+		 * The Twig syntax is good, but the implementation and the available methods is a joke!
+		 *
+		 * All the Symfony developer has done is create a garbage frame work putting 3rd party scripts into DI containers.
+		 * The Twig syntax he ripped off from Jinja and Django templates then did a garbage implementation!
+		 *
+		 * The fact that this system cache is just compiling php into more php code instead of html is a disgrace!
+		 */
+
+		$namespace = '';
+
+		$parts = explode('/', $filename);
+
+		foreach ($parts as $part) {
+			if (!$namespace) {
+				$namespace .= $part;
+			} else {
+				$namespace .= '/' . $part;
+			}
+
+			if (isset($this->path[$namespace])) {
+				$file = $this->path[$namespace] . substr($filename, strlen($namespace) + 1) . '.twig';
+			}
+		}
+
+		// We have to remove the root web directory.
+		$file = substr($file, strlen($this->root) + 1);
+
+		if ($code) {
+			// render from modified template code
+			$loader = new \Twig\Loader\ArrayLoader([$file => $code]);
+		} else {
+			$loader = $this->loader;
+		}
+
+		try {
+			// Initialize Twig environment
+			$config = [
+				'charset'     => 'utf-8',
+				'autoescape'  => false,
+				'debug'       => false,
+				'auto_reload' => true,
+				'cache'       => DIR_CACHE . 'template/'
+			];
+
+			$twig = new \Twig\Environment($loader, $config);
+
+			return $twig->render($file, $data);
+		} catch (Twig_Error_Syntax $e) {
+			throw new \Exception('Error: Could not load template ' . $filename . '!');
+		}
+	}
+}