audinue/tpl.php

## tpl.php
<?php

define('EXTENDS_PATTERN', '/\{extends ([a-z0-9_\/-]+)\}/');
define('BLOCK_PATTERN',   '/\{block ([a-z0-9_-]+)\}([^\{]*)\{\/block\}/');
define('INCLUDE_PATTERN', '/\{include ([a-z0-9_\/-]+)\}/');

function tpl_compile($file) {
	if(!is_file($file)) {
		throw new Exception('File "' . $file . '" is not found.');
	}
	$string = file_get_contents($file);
	if(preg_match(EXTENDS_PATTERN, $string, $match)) {
		if(!is_file($match[1] . '.tpl.html')) {
			throw new Exception('Base file "' . $match[1] . '.tpl.html" in "' . $file . '" is not found.');
		}
		$blocks = array();
		preg_replace_callback(BLOCK_PATTERN, function($match) use (&$blocks) {
			$blocks[$match[1]] = trim($match[2]);
		}, $string);
		$string = preg_replace_callback(BLOCK_PATTERN, function($match) use ($blocks) {
			return $blocks[$match[1]];
		}, file_get_contents($match[1] . '.tpl.html'));
	}
	return preg_replace(BLOCK_PATTERN, '$2', preg_replace_callback(INCLUDE_PATTERN, function($match) use ($file) {
		if(!is_file($match[1] . '.tpl.html')) {
			throw new Exception('Include file "' . $match[1] . '.tpl.html" in "' . $file . '" is not found.');
		}
		return trim(file_get_contents($match[1] . '.tpl.html'));
	}, $string));
}

if(php_sapi_name() == 'cli') {
	$dir = isset($argv[1]) ? $argv[1] : '.';
	if(!is_dir($dir)) {
		die('Target directory "' . $dir . '" is not found.');
	}
	foreach(glob('*.tpl.html') as $file) {
		try {
			file_put_contents($dir . '/' . preg_replace('/\.tpl\.html/', '.html', $file)
				, tpl_compile($file));
		} catch(Exception $e) {
			die($e->getMessage());
		}
	}
	exit;
}

if(isset($_GET['file'])) {
	try {
		if(realpath('.') != dirname(realpath($_GET['file']))) {
			throw new Exception('Invalid file.');
		}
		echo tpl_compile($_GET['file']);
	} catch(Exception $e) {
		die($e->getMessage());
	}
	exit;
}

?>
<!DOCTYPE html>
<html>
	<head>
		<title>TPL Files</title>
		<meta charset="utf-8">
		<style>
body {
	font-family: arial, sans-serif;
	font-size: 16px;
}
a {
	color: #000;
	text-decoration: none;
}
a:hover {
	text-decoration: underline;
}
h1, li, p {
	margin-bottom: 24px;
}
		</style>
	</head>
	<body>
		<h1>TPL Files</h1>
		<ul>
<?php foreach(glob('*.tpl.html') as $file) { ?>
			<li>
				<a href="?file=<?php echo urlencode($file) ?>"><?php echo htmlspecialchars($file) ?></a>
			</li>
<?php } ?>
		</ul>
		<p>January, 2015, with &#9829; by <a href="mailto:audinue@gmail.com">Audi Nugraha</a>.</p>
	</body>
</html>
	<?php

	define('EXTENDS_PATTERN', '/\{extends ([a-z0-9_\/-]+)\}/');
	define('BLOCK_PATTERN', '/\{block ([a-z0-9_-]+)\}([^\{]*)\{\/block\}/');
	define('INCLUDE_PATTERN', '/\{include ([a-z0-9_\/-]+)\}/');

	function tpl_compile($file) {
	if(!is_file($file)) {
	throw new Exception('File "' . $file . '" is not found.');
	}
	$string = file_get_contents($file);
	if(preg_match(EXTENDS_PATTERN, $string, $match)) {
	if(!is_file($match[1] . '.tpl.html')) {
	throw new Exception('Base file "' . $match[1] . '.tpl.html" in "' . $file . '" is not found.');
	}
	$blocks = array();
	preg_replace_callback(BLOCK_PATTERN, function($match) use (&$blocks) {
	$blocks[$match[1]] = trim($match[2]);
	}, $string);
	$string = preg_replace_callback(BLOCK_PATTERN, function($match) use ($blocks) {
	return $blocks[$match[1]];
	}, file_get_contents($match[1] . '.tpl.html'));
	}
	return preg_replace(BLOCK_PATTERN, '$2', preg_replace_callback(INCLUDE_PATTERN, function($match) use ($file) {
	if(!is_file($match[1] . '.tpl.html')) {
	throw new Exception('Include file "' . $match[1] . '.tpl.html" in "' . $file . '" is not found.');
	}
	return trim(file_get_contents($match[1] . '.tpl.html'));
	}, $string));
	}

	if(php_sapi_name() == 'cli') {
	$dir = isset($argv[1]) ? $argv[1] : '.';
	if(!is_dir($dir)) {
	die('Target directory "' . $dir . '" is not found.');
	}
	foreach(glob('*.tpl.html') as $file) {
	try {
	file_put_contents($dir . '/' . preg_replace('/\.tpl\.html/', '.html', $file)
	, tpl_compile($file));
	} catch(Exception $e) {
	die($e->getMessage());
	}
	}
	exit;
	}

	if(isset($_GET['file'])) {
	try {
	if(realpath('.') != dirname(realpath($_GET['file']))) {
	throw new Exception('Invalid file.');
	}
	echo tpl_compile($_GET['file']);
	} catch(Exception $e) {
	die($e->getMessage());
	}
	exit;
	}

	?>
	<!DOCTYPE html>
	<html>
	<head>
	<title>TPL Files</title>
	<meta charset="utf-8">
	<style>
	body {
	font-family: arial, sans-serif;
	font-size: 16px;
	}
	a {
	color: #000;
	text-decoration: none;
	}
	a:hover {
	text-decoration: underline;
	}
	h1, li, p {
	margin-bottom: 24px;
	}
	</style>
	</head>
	<body>
	<h1>TPL Files</h1>
	<ul>
	<?php foreach(glob('*.tpl.html') as $file) { ?>
	<li>
	<a href="?file=<?php echo urlencode($file) ?>"><?php echo htmlspecialchars($file) ?></a>
	</li>
	<?php } ?>
	</ul>
	<p>January, 2015, with ♥ by <a href="mailto:audinue@gmail.com">Audi Nugraha</a>.</p>
	</body>
	</html>