#19692161 Use minified JS or CSS files if __DEBUG__ is not true.

git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0@8314 201d5d3c-b55e-5fd7-737f-ddc643e51545

tools/index.html

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+

tools/minify.php

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+<?php
+/**
+ * Minify
+ * This script comnbines multiple JavaScript or CSS files with minifying.
+ * PHP 5.3.0 or above version is required.
+ *
+ * Usage : php minify.php [TARGET_DIR ...]
+ * TARGET_DIR use the current working directory as a default path.
+ *
+ * @author NHN(developer@xpressengine.com)
+ */
+
+if(version_compare(PHP_VERSION, '5.3.0', '<')) {
+	echo "PHP 5.3.0 or above version is required.";
+	exit(1);
+}
+
+function main() {
+	$argv = $_SERVER['argv'];
+	$argc = $_SERVER['argc'];
+
+	// get target directories
+	if($argc < 2) $dirs = array($_SERVER['PWD']);
+	else $dirs = array_slice($argv, 1);
+
+	$dirs = array_map('realpath', $dirs);
+	$dirs = array_map('add_dirsep', $dirs);
+
+	array_walk($dirs, 'execute');
+}
+
+// add directory separator
+function add_dirsep($path) {
+	if(substr($path,-1) != DIRECTORY_SEPARATOR) $path .= DIRECTORY_SEPARATOR;
+	return $path;
+}
+
+function execute($dir) {
+	echo "Processing : {$dir}\n";
+
+	// parse config file if it exists
+	echo "  Finding predefined configuration file...";
+	$config = read_config($dir);
+	echo " Done\n";
+
+	// merge
+	foreach($config['merge'] as $target=>$files) {
+		merge($files, $target, $dir);
+	}
+
+	// files to skip
+	$files_to_skip = $config['skip'];
+	foreach($files_to_skip as $idx=>$file) {
+		if($file) $files_to_skip[$idx] = realpath($dir.trim($file));
+	}
+
+	echo "  Minifying JavaScript files...";
+	$js_files = get_target_files('js', $dir, $files_to_skip);
+	
+	if(count($js_files) && !class_exists('JSMinPlus')) {
+		require dirname(__FILE__).'/minify/jsminplus/jsminplus.php';
+	}
+	foreach($js_files as $file) {
+		if(!is_readable($file)) continue;
+
+		$target  = preg_replace('@\.js$@', '.min.js', $file);
+		$content = file_get_contents($file);
+
+		// save copyright to preserve it
+		if(preg_match('@^[ \t]*(/\*\*.+?\*/)@s', $content, $matches)) {
+			$copyright = $matches[1]."\n";
+		} else {
+			$copyright = '';
+		}
+
+		file_put_contents($target, $copyright.JSMinPlus::minify($content));
+
+		echo '.';
+	}
+	echo " Done\n";
+
+	echo "  Minifying CSS files...";
+	$css_files = get_target_files('css', $dir, $files_to_skip);
+
+	if(count($css_files) && !class_exists('CssMin')) {
+		require dirname(__FILE__).'/minify/cssmin/cssmin.php';
+	}
+
+	foreach($css_files as $file) {
+		if(!is_readable($file)) continue;
+
+		$target  = preg_replace('@\.css$@', '.min.css', $file);
+		$content = file_get_contents($file);
+
+		file_put_contents($target, $copyright.CssMin::minify($content, $option));
+		echo '.';
+	}
+	echo " Done\n";
+}
+
+function read_config($dir) {
+	$default = array('option'=>array(), 'skip'=>array(), 'merge'=>array());
+	$file    = $dir.'minify.ini';
+
+	if(!is_readable($file)) return $default;
+
+	$config_str = file_get_contents($file);
+	$config_str = preg_replace_callback('/(\[(?:skip|merge *>> *.+?)\])([\s\S]+?)(?=\[|$)/', 'transform_config_str', $config_str);
+
+	$config = parse_ini_string($config_str, 1);
+	if($config === false) return $default;
+
+	if(is_array($config['skip'])) $config['skip'] = array_keys($config['skip']);
+
+	foreach($config as $section=>$value) {
+		if(preg_match('/merge *>> *(.+)/', $section, $match)) {
+			if(!is_array($config['merge'])) $config['merge'] = array();
+			$config['merge'][trim($match[1])] = array_keys($value);
+
+			unset($config[$section]);
+		}
+	}
+
+	if(is_array($config['option'])) $config = array_merge($config['option'], $config);
+	$config = array_merge($default, $config);
+
+	return $config;
+}
+
+function transform_config_str($matches) {
+	if(!$matches[2]) return $matches[0];
+	$values = preg_replace('/$/m', '=', trim($matches[2]));
+
+	return "{$matches[1]}\n{$values}\n\n";
+}
+
+function merge($files, $target, $base_dir) {
+	if(!is_array($files)) return false;
+
+	$body   = '';
+	$is_css = !!preg_match('/\.css$/', $target);
+
+	foreach($files as $file) {
+		$file = $base_dir.trim($file);
+		if(!is_readable($file)) continue;
+
+		$content = trim(file_get_contents($file));
+		if($is_css && $body) $content = preg_replace('/^@.+?;/m', '', $content);
+		if($content) $body .= $content."\n";
+	}
+
+	if ($body) {
+		$file_count = count($files);
+		echo "  Merging {$file_count} files to create {$target} file...";
+		file_put_contents($base_dir.$target, $body);
+		echo " Done\n";
+	}
+}
+
+function get_target_files($ext, $dir, $files_to_skip) {
+	$files = glob("{$dir}*.{$ext}");
+	$skips = glob("{$dir}*.min.{$ext}");
+	$skips = array_merge($skips, $files_to_skip);
+	$files = array_diff($files, $skips);
+
+	return $files;
+}
+
+// run main function
+error_reporting(E_ALL & ~E_NOTICE);
+main();

tools/minify/jsminplus/changelog.txt

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+================================================================================
+JSMin+
+================================================================================
+A javascript minification tool written in PHP
+by Tweakers.net / Tino Zijdel <crisp@tweakers.net>
+
+Weblog: http://crisp.tweakblogs.net/blog/cat/716
+
+License: MPL 1.1/GPL 2.0/LGPL 2.1 (see sourcecode)
+
+================================================================================
+VERSION HISTORY
+================================================================================
+17-05-2009 - version 1.3
+
+- Fixed loop-constructs and if with empty body
+- Fixed hook:colon precedence issues (https://bugzilla.mozilla.org/show_bug.cgi?id=492445)
+- Combine concats of strings with same quotestyle
+- Combine var-statements
+
+--------------------------------------------------------------------------------
+18-04-2009 - version 1.2
+
+- Fixed crash in PHP 5.2.9 when matching large comments or strings
+  (due to PCRE backtracking bug)
+- Don't add curly braces around statements for a CASE label
+- Always put statements for IF between curly braces when followed by an ELSE
+- Save some more bytes by omitting the space between RETURN and the return
+  expression in certain cases
+
+--------------------------------------------------------------------------------
+12-04-2009 - version 1.1
+
+- Improved tokenizer performance by reading smaller chunks for matching
+- Bugfix: jumplabels for break/continue statements were not written to output
+- Improved stringmatching: cases like '\' and '<newline>' now throw unterminated
+  string literal error
+- Fixed linenumber offset bug caused by JScript conditional compilation blocks
+- nest() always calls Statement() so no need to use call_user_func() with a parm
+
+--------------------------------------------------------------------------------
+09-04-2009 - version 1.0
+
+Initial version
+
+================================================================================
+KNOWN ISSUES
+================================================================================
+
+- JScript conditional compilation support is incomplete
+
+================================================================================
+DOWNLOAD LOCATION
+================================================================================
+
+Latest version:
+version 1.3 : http://files.tweakers.net/jsminplus/jsminplus.zip
+
+Previous versions:
+version 1.2 : http://files.tweakers.net/jsminplus/jsminplus-1.2.zip
+version 1.1 : http://files.tweakers.net/jsminplus/jsminplus-1.1.zip
+version 1.0 : http://files.tweakers.net/jsminplus/jsminplus-1.0.zip