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<?php /** * Javascript utility functions. * * @license see /license.txt * @author Laurent Opprecht <laurent@opprecht.info> for the Univesity of Geneva */ class Javascript { /** * Minimify Javascript. * * If called with a path * * input: /dir/dir/file.js * returns: /dir/dir/file.min.js * * Otherwise returns the actual code. * * @param string $arg either a path or actual code * @return string either a path to minified content (ends with min.js) or actual code */ public static function minify($arg) { if (is_readable($arg)) { $path = $arg; $code = file_get_contents($path); $code = ClosureCompiler::post($code); $min_path = $path; $min_path = str_replace('.js', '', $min_path); $min_path .= '.min.js'; file_put_contents($min_path, $code); return $min_path; } else { return ClosureCompiler::post($code); } } /** * Returns lang object that contains the translation. * * Javascript::get_lang('string1', 'string2', 'string3'); * * returns * * if(typeof(lang) == "undefined") * { * var lang = {}; * } * lang.string1 = "..."; * lang.string2 = "..."; * lang.string3 = "... * * @param type $_ * @return type */ public static function get_lang($_) { $result = array(); $result[] = 'if(typeof(lang) == "undefined")'; $result[] = '{'; $result[] = ' var lang = {};'; $result[] = '}'; $keys = func_get_args(); foreach ($keys as $key) { $value = get_lang($key); $result[] = 'lang.' . $key . ' = "' . $value . '";'; } return implode("\n", $result); } public static function tag($src) { return '<script type="text/javascript" src="' . $src . '"></script>'; } public static function tag_code($code) { $new_line = "\n"; return '<script type="text/javascript">' . $new_line . $code . $new_line . '</script>'; } }
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