create-phar: added minification for JS & CSS

tools/create-phar/create-phar.php

@@ -17,7 +17,43 @@
 $phar->startBuffering();
 foreach ($iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator(__DIR__ . '/../../src', RecursiveDirectoryIterator::SKIP_DOTS)) as $file) {
 	echo "adding: {$iterator->getSubPathname()}\n";
-	$phar[$iterator->getSubPathname()] = php_strip_whitespace($file);
+	$s = php_strip_whitespace($file);
+
+	if (in_array($file->getExtension(), array('js', 'css'))) {
+		continue;
+
+	} elseif ($file->getExtension() === 'phtml') {
+		$s = preg_replace_callback('#<\?php (require |readfile\(|.*file_get_contents\().*(/\w+\.(js|css))\'\)* \?>#', function($m) use ($file) {
+			return file_get_contents($file->getPath() . $m[2]);
+		}, $s);
+		$s = preg_replace_callback('#(<(script|style).*>)(.*)(</)#Uis', function($m) {
+			list(, $begin, $type, $s, $end) = $m;
+
+			if (strpos($s, '<?php') !== FALSE) {
+				return $m[0];
+
+			} elseif ($type === 'script' && function_exists('curl_init')) {
+				$curl = curl_init('http://closure-compiler.appspot.com/compile');
+				curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
+				curl_setopt($curl, CURLOPT_POST, 1);
+				curl_setopt($curl, CURLOPT_POSTFIELDS, 'output_info=compiled_code&js_code=' . urlencode($s));
+				$s = curl_exec($curl);
+				curl_close($curl);
+
+			} elseif ($type === 'style') {
+				$s = preg_replace('#/\*.*?\*/#s', '', $s); // remove comments
+				$s = preg_replace('#[ \t\r\n]+#', ' ', $s); // compress space, ignore hard space
+				$s = preg_replace('# ([^0-9a-z.\#*-])#i', '$1', $s);
+				$s = preg_replace('#([^0-9a-z%)]) #i', '$1', $s);
+				$s = str_replace(';}', '}', $s); // remove leading semicolon
+				$s = trim($s);
+			}
+
+			return $begin . $s . $end;
+		}, $s);
+	}
+
+	$phar[$iterator->getSubPathname()] = $s;
 }
 
 $phar->stopBuffering();