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wordless.php
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wordless.php
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<?php
require_once Wordless::join_paths(dirname(__FILE__), "admin.php");
require_once Wordless::join_paths(dirname(__FILE__), "preprocessors.php");
/**
* Wordless holds all the plugin setup and initialization.
*/
class Wordless {
private static $preprocessors = array();
private static $preferences = array();
private static $helpers = array();
public static function initialize() {
if (Wordless::theme_is_wordless_compatible()){
self::load_i18n();
self::require_helpers();
self::require_theme_initializers();
self::register_activation();
self::register_preprocessors();
self::register_preprocessor_actions();
}
self::load_admin_page();
}
public static function load_admin_page() {
WordlessAdmin::initialize();
}
public static function helper($class_name) {
if (!isset(self::$helpers[$class_name])) {
self::$helpers[$class_name] = new $class_name();
}
return self::$helpers[$class_name];
}
public static function register_helper($class_name) {
foreach (get_class_methods($class_name) as $method) {
if (!function_exists($method)) {
$global_function_definition = "function $method() { \$helper = Wordless::helper('$class_name'); \$args = func_get_args(); return call_user_func_array(array(\$helper, '$method'), \$args); }";
eval($global_function_definition);
}
}
}
public static function register_preprocessors() {
$preprocessors = self::preference("assets.preprocessors", array());
foreach ($preprocessors as $preprocessor_class) {
self::$preprocessors[] = new $preprocessor_class();
}
}
public static function register_activation() {
register_activation_hook(__FILE__, array(__CLASS__, 'install') );
}
public static function install() {
self::assets_rewrite_rules();
flush_rewrite_rules();
}
/**
* Register all the actions we need to setup custom rewrite rules
*/
public static function register_preprocessor_actions() {
add_action('init', array(__CLASS__, 'assets_rewrite_rules'));
add_action('query_vars', array(__CLASS__, 'query_vars'));
add_action('parse_request', array(__CLASS__, 'parse_request'));
}
/**
* Register some custom query vars we need to handle multiplexing of file preprocessors
*/
public static function query_vars($query_vars) {
foreach (self::$preprocessors as $preprocessor) {
/* this query_var will be set to true when the requested URL needs this preprocessor */
array_push($query_vars, $preprocessor->query_var_name());
/* this query_var will be set to the url of the file preprocess */
array_push($query_vars, $preprocessor->query_var_name('original_url'));
}
return $query_vars;
}
/**
* For each preprocessor, it creates a new rewrite rule.
*/
public static function assets_rewrite_rules() {
foreach (self::$preprocessors as $preprocessor) {
add_rewrite_rule('^(.*\.'.$preprocessor->to_extension().')$', 'index.php?'.$preprocessor->query_var_name().'=true&'.$preprocessor->query_var_name('original_url').'=$matches[1]', 'top');
}
}
/**
* If we get back our custom query vars, then redirect the request to the preprocessor.
*/
public static function parse_request(&$wp) {
foreach (self::$preprocessors as $preprocessor) {
if (array_key_exists($preprocessor->query_var_name(), $wp->query_vars)) {
$original_url = $wp->query_vars[$preprocessor->query_var_name('original_url')];
$relative_path = str_replace(preg_replace("/^\//", "", self::theme_url()), '', $original_url);
$relative_path = preg_replace("/^.*\/assets\//", "", $relative_path);
$to_process_file_path = Wordless::join_paths(self::theme_assets_path(), $relative_path);
$to_process_file_path = preg_replace("/\." . $preprocessor->to_extension() . "$/", "", $to_process_file_path);
$preprocessor->serve_compiled_file($to_process_file_path, Wordless::theme_temp_path());
}
}
}
public static function compile_assets() {
foreach (self::$preprocessors as $preprocessor) {
foreach ($preprocessor->supported_extensions() as $extension) {
$list_files = self::recursive_glob(self::theme_assets_path(), "*.$extension");
foreach ($list_files as $file_path) {
// Ignore partials
if (!preg_match("/^_/", basename($file_path))) {
$compiled_file_path = str_replace(Wordless::theme_assets_path(), '', $file_path);
$compiled_file_path = Wordless::join_paths(Wordless::theme_static_assets_path(), $compiled_file_path);
$compiled_file_path = preg_replace("/\." . $extension . "$/", ".".$preprocessor->to_extension(), $compiled_file_path);
try {
ob_start();
$to_process_file_path = preg_replace("/\." . $extension . "$/", "", $file_path);
$preprocessor->process_file_with_caching($to_process_file_path, Wordless::theme_temp_path());
$compiled_content = ob_get_contents();
ob_end_clean();
} catch(WordlessCompileException $e) {
echo "Problems compiling $file_path to $compiled_file_path\n\n";
echo $e;
echo "\n\n";
}
file_put_contents($compiled_file_path, $compiled_content);
}
}
}
}
}
/**
* Recursively searches inside a directory for specific files.
*
* * @param string $directory_path
* The path of the directory to search recursively
* * @param string $pattern
* The glob pattern of the files (see http://php.net/manual/en/function.glob.php)
* * @param int $flags
* The glob search flags (see http://php.net/manual/en/function.glob.php)
*
*/
public static function recursive_glob($path, $pattern = '*', $flags = 0) {
$files = glob(self::join_paths($path, $pattern), $flags);
if (!is_array($files)) {
$files = array();
}
$paths = glob(self::join_paths($path, '*'), GLOB_ONLYDIR | GLOB_NOSORT);
if (!empty($paths)) {
foreach ($paths as $sub_path) {
$subfiles = self::recursive_glob($sub_path, $pattern, $flags);
if (is_array($subfiles)) {
$files = array_merge($files, $subfiles);
}
}
}
return $files;
}
/**
* Set a Wordless preference
*/
public static function set_preference($name, $value) {
self::$preferences[$name] = $value;
}
/**
* Get a Wordless preference
*/
public static function preference($name, $default = '') {
return isset(self::$preferences[$name]) ? self::$preferences[$name] : $default;
}
public static function load_i18n() {
$locales_path = self::theme_locales_path();
if (file_exists($locales_path) && is_dir($locales_path)) {
load_theme_textdomain('we', $locales_path);
}
}
public static function require_helpers() {
require_once Wordless::join_paths(dirname(__FILE__), "helpers.php");
$helpers_path = self::theme_helpers_path();
self::require_once_dir("$helpers_path");
}
public static function require_theme_initializers() {
$initializers_path = self::theme_initializers_path();
self::require_once_dir("$initializers_path");
}
/**
* Require one directory
* @param string $path
*/
public static function require_once_dir($path) {
$list_files = glob(Wordless::join_paths($path, "*.php"));
if (is_array($list_files)) {
foreach ($list_files as $filename) {
require_once $filename;
}
}
}
public static function theme_is_wordless_compatible() {
$required_directories = array(
self::theme_helpers_path(),
self::theme_initializers_path(),
self::theme_locales_path(),
self::theme_views_path(),
self::theme_assets_path(),
self::theme_stylesheets_path(),
self::theme_javascripts_path(),
self::theme_temp_path()
);
foreach ($required_directories as $dir) {
if (!file_exists($dir) || !is_dir($dir)) {
return false;
}
}
return true;
}
public static function theme_helpers_path() {
return self::join_paths(get_template_directory(), 'theme/helpers');
}
public static function theme_initializers_path() {
return self::join_paths(get_template_directory(), 'config/initializers');
}
public static function theme_locales_path() {
return self::join_paths(get_template_directory(), 'config/locales');
}
public static function theme_views_path() {
return self::join_paths(get_template_directory(), 'theme/views');
}
public static function theme_assets_path() {
return self::join_paths(get_template_directory(), 'theme/assets');
}
public static function theme_stylesheets_path() {
return self::join_paths(get_template_directory(), 'theme/assets/stylesheets');
}
public static function theme_javascripts_path() {
return self::join_paths(get_template_directory(), 'theme/assets/javascripts');
}
public static function theme_static_assets_path() {
return self::join_paths(get_template_directory(), 'assets');
}
public static function theme_static_javascripts_path() {
return self::join_paths(get_template_directory(), 'assets/javascripts');
}
public static function theme_temp_path() {
return self::join_paths(get_template_directory(), 'tmp');
}
public static function theme_url() {
return parse_url(get_bloginfo('template_url'), PHP_URL_PATH);
}
public static function join_paths() {
$args = func_get_args();
$paths = array();
foreach($args as $arg) {
$paths = array_merge($paths, (array)$arg);
}
foreach($paths as &$path) {
$path = trim($path, '/');
}
if (substr($args[0], 0, 1) == '/') {
$paths[0] = '/' . $paths[0];
}
return join('/', $paths);
}
}