FEATURE: Replaced ManifestBuilder (and related bootstrap code) with a new SS_ClassLoader class which loads classes and interfaces from a stack of SS_ClassManifest instances.
This commit is contained in:
ajshort
parent
c685893251
commit
184da5bbcc
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@ -199,44 +199,33 @@ set_include_path(BASE_PATH . '/sapphire' . PATH_SEPARATOR
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. BASE_PATH . '/sapphire/thirdparty' . PATH_SEPARATOR
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. get_include_path());
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/**
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* Sapphire class autoloader. Requires the ManifestBuilder to work.
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* $_CLASS_MANIFEST must have been loaded up by ManifestBuilder for this to successfully load
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* classes. Classes will be loaded from any PHP file within the application.
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* If your class contains an underscore, for example, Page_Controller, then the filename is
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* expected to be the stuff before the underscore. In this case, Page.php.
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*
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* Class names are converted to lowercase for lookup to adhere to PHP's case-insensitive
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* way of dealing with them.
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*/
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function sapphire_autoload($className) {
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global $_CLASS_MANIFEST;
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$lClassName = strtolower($className);
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if(isset($_CLASS_MANIFEST[$lClassName])) include_once($_CLASS_MANIFEST[$lClassName]);
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else if(isset($_CLASS_MANIFEST[$className])) include_once($_CLASS_MANIFEST[$className]);
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}
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spl_autoload_register('sapphire_autoload');
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require_once("core/ManifestBuilder.php");
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require_once("core/ClassInfo.php");
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require_once('core/Object.php');
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require_once('core/control/Director.php');
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require_once('filesystem/Filesystem.php');
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require_once("core/Session.php");
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// Include the files needed the initial manifest building, as well as any files
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// that are needed for the boostrap process on every request.
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require_once 'cache/Cache.php';
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require_once 'core/Object.php';
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require_once 'core/ClassInfo.php';
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require_once 'core/control/Director.php';
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require_once 'dev/Debug.php';
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require_once 'filesystem/FileFinder.php';
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require_once 'manifest/ClassLoader.php';
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require_once 'manifest/ClassManifest.php';
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require_once 'manifest/ManifestFileFinder.php';
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require_once 'manifest/TokenisedRegularExpression.php';
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///////////////////////////////////////////////////////////////////////////////
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// MANIFEST
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/**
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* Include the manifest
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*/
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ManifestBuilder::include_manifest();
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// Regenerate the manifest if ?flush is set, or if the database is being built.
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// The coupling is a hack, but it removes an annoying bug where new classes
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// referenced in _config.php files can be referenced during the build process.
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$flush = (isset($_GET['flush']) || isset($_REQUEST['url']) && (
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$_REQUEST['url'] == 'dev/build' || $_REQUEST['url'] == BASE_URL . '/dev/build'
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));
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$manifest = new SS_ClassManifest(BASE_PATH, false, $flush);
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/**
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* ?debugmanifest=1 hook
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*/
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if(isset($_GET['debugmanifest'])) Debug::show(file_get_contents(MANIFEST_FILE));
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$loader = SS_ClassLoader::instance();
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$loader->registerAutoloader();
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$loader->pushManifest($manifest);
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// If this is a dev site, enable php error reporting
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// This is necessary to force developers to acknowledge and fix
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@ -1,630 +0,0 @@
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<?php
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/**
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* Define a constant for the name of the manifest file
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*/
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if(!defined('MANIFEST_FILE')) define("MANIFEST_FILE", TEMP_FOLDER . "/manifest-" . str_replace('.php','',basename($_SERVER['SCRIPT_FILENAME'])));
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/**
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* The ManifestBuilder class generates the manifest file and keeps it fresh.
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*
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* The manifest file is a PHP include that contains global variables that
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* represent the collected contents of the application:
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* - all classes ({@link __autoload()})
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* - all templates ({@link SSViewer})
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* - all _config.php files
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*
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* Traversing the filesystem to collect this information on everypage.
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* This information is cached so that it need not be regenerated on every
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* pageview.
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*
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* <b>Autoloading</b>
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*
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* Sapphire class autoloader. Requires the ManifestBuilder to work.
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* $_CLASS_MANIFEST must have been loaded up by ManifestBuilder for this to successfully load classes.
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* Classes will be loaded from any PHP file within the application. If your class contains an underscore,
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* for example, Page_Controller, then the filename is expected to be the stuff before the underscore.
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* In this case, Page.php.
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*
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* @see main.php, __autoload(), SSViewer, Requirements::themedCSS()
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* @package sapphire
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* @subpackage core
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*/
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class ManifestBuilder {
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static $restrict_to_modules = array();
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static $extendsArray = array();
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static $classArray = array();
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static $implementsArray = array();
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/**
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* @var array $ignore_files Full filenames (without directory-path) which
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* should be ignored by the manifest.
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*/
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public static $ignore_files = array(
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'main.php',
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'cli-script.php',
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'install.php',
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'index.php',
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);
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/**
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* @var array $ignore_folders Foldernames (without path) which
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* should be ignored by the manifest.
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*/
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public static $ignore_folders = array(
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'mysql',
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'assets',
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'shortstat',
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'HTML',
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);
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/**
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* Include the manifest, regenerating it if necessary
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*/
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static function include_manifest() {
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if(isset($_REQUEST['usetestmanifest'])) {
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self::load_test_manifest();
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} else {
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// The dev/build reference is some coupling but it solves an annoying bug
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if(!file_exists(MANIFEST_FILE) || (filemtime(MANIFEST_FILE) < filemtime(BASE_PATH))
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|| isset($_GET['flush']) || (isset($_REQUEST['url']) && ($_REQUEST['url'] == 'dev/build'
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|| $_REQUEST['url'] == BASE_URL . '/dev/build'))) {
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self::create_manifest_file();
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}
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require_once(MANIFEST_FILE);
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}
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}
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/**
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* Load a copy of the manifest with tests/ folders included.
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* Only loads the ClassInfo and __autoload() globals; this assumes that _config.php files are already included.
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*/
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static function load_test_manifest() {
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$testManifestFile = MANIFEST_FILE . '-test';
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// The dev/build reference is some coupling but it solves an annoying bug
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if(!file_exists($testManifestFile)
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|| (filemtime($testManifestFile) < filemtime(BASE_PATH))
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|| isset($_GET['flush'])) {
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// Build the manifest, including the tests/ folders
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$manifestInfo = self::get_manifest_info(BASE_PATH);
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$manifest = self::generate_php_file($manifestInfo);
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if($fh = fopen($testManifestFile, 'wb')) {
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fwrite($fh, $manifest);
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fclose($fh);
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} else {
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user_error("Cannot write manifest file! Check permissions of " . MANIFEST_FILE, E_USER_ERROR);
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}
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}
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require($testManifestFile);
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}
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/**
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* Loads all PHP class files - actually opening them and executing them.
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*/
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static function load_all_classes() {
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global $_CLASS_MANIFEST;
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foreach($_CLASS_MANIFEST as $classFile) require_once($classFile);
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}
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/**
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* Generates a new manifest file and saves it to {@link MANIFEST_FILE}.
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*/
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static function create_manifest_file() {
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// Build the manifest, ignoring the tests/ folders
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$manifestInfo = self::get_manifest_info(BASE_PATH, array("tests"));
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$manifest = self::generate_php_file($manifestInfo);
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if($fh = fopen(MANIFEST_FILE, 'wb')) {
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fwrite($fh, $manifest);
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fclose($fh);
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} else {
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user_error("Cannot write manifest file! Check permissions of " . MANIFEST_FILE, E_USER_ERROR);
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}
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}
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/**
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* Turn an array produced by get_manifest_info() into the content of the manifest PHP include
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*/
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static function generate_php_file($manifestInfo) {
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$output = "<?php\n";
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foreach($manifestInfo['globals'] as $globalName => $globalVal) {
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$output .= "global \$$globalName;\n\$$globalName = " . var_export($globalVal, true) . ";\n\n";
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}
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foreach($manifestInfo['require_once'] as $requireItem) {
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$output .= 'require_once("' . addslashes($requireItem) . "\");\n";
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}
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return $output;
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}
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/**
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* Parse the $manifestInfo array, updating the appropriate globals and loading the appropriate _config files.
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*/
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static function process_manifest($manifestInfo) {
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foreach($manifestInfo['globals'] as $globalName => $globalVal) {
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global $$globalName;
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$$globalName = $globalVal;
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}
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foreach($manifestInfo['require_once'] as $requireItem) {
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require_once("$requireItem");
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}
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}
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/**
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* Get themes from a particular directory.
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*
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* @param string $baseDir Optional: Absolute path to theme directory for testing e.g. "/Users/sharvey/Sites/test24/themes"
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* @param boolean $includeSubThemes If set to TRUE, sub-themes such as "blackcandy_blog" are included too
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* @return array Listing of theme directories
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*/
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public static function get_themes($baseDir = null, $includeSubThemes = false) {
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// If no base directory specified, the default is the project root
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if(!$baseDir) $baseDir = BASE_PATH . DIRECTORY_SEPARATOR . THEMES_DIR;
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$themes = array();
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if(!file_exists($baseDir)) return $themes;
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$handle = opendir($baseDir);
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if($handle) {
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while(false !== ($file = readdir($handle))) {
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$fullPath = $baseDir . DIRECTORY_SEPARATOR . $file;
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if(strpos($file, '.') === false && is_dir($fullPath)) {
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$include = $includeSubThemes ? true : false;
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if(strpos($file, '_') === false) {
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$include = true;
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}
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if($include) $themes[$file] = $file;
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}
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}
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closedir($handle);
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}
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return $themes;
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}
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/**
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* Return an array containing information for the manifest
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* @param $baseDir The root directory to analyse
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* @param $excludedFolders An array folder names to exclude. These don't care about where the
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* folder appears in the hierarchy, so be careful
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*/
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static function get_manifest_info($baseDir, $excludedFolders = array()) {
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// locate and include the exclude files
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$topLevel = scandir($baseDir);
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foreach($topLevel as $file) {
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if($file[0] == '.') continue
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$fullPath = '';
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$fullPath = $baseDir . '/' . $file;
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if(@is_dir($fullPath . '/') && file_exists($fullPath . '/_exclude.php')) {
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require_once($fullPath . '/_exclude.php');
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}
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}
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// Project - used to give precedence to template files
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$project = null;
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// Class, CSS, template manifest
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$allPhpFiles = array();
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$templateManifest = array();
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$cssManifest = array();
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if(is_array(self::$restrict_to_modules) && count(self::$restrict_to_modules)) {
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// $restrict_to_modules is set, so we include only those specified
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// modules
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foreach(self::$restrict_to_modules as $module)
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ManifestBuilder::get_all_php_files($baseDir . '/' . $module, $excludedFolders, $allPhpFiles);
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} else {
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// Include all directories which have an _config.php file but don't
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// have an _manifest_exclude file
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$topLevel = scandir($baseDir);
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foreach($topLevel as $filename) {
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// Skip certain directories
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if($filename[0] == '.') continue;
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if($filename == THEMES_DIR) continue;
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if($filename == ASSETS_DIR) continue;
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if(in_array($filename, $excludedFolders)) continue;
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if(@is_dir("$baseDir/$filename") &&
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file_exists("$baseDir/$filename/_config.php") &&
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!file_exists("$baseDir/$filename/_manifest_exclude")) {
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// Get classes, templates, and CSS files
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ManifestBuilder::get_all_php_files("$baseDir/$filename", $excludedFolders, $allPhpFiles);
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ManifestBuilder::getTemplateManifest($baseDir, $filename, $excludedFolders, $templateManifest, $cssManifest);
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// List the _config.php files
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$manifestInfo["require_once"][] = "$baseDir/$filename/_config.php";
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// Find the $project variable in the relevant config file without having to execute the config file
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if(preg_match("/\\\$project\s*=\s*[^\n\r]+[\n\r]/", file_get_contents("$baseDir/$filename/_config.php"), $parts)) {
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eval($parts[0]);
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}
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}
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}
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}
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// Get themes
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if(file_exists("$baseDir/themes")) {
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$themeDirs = self::get_themes("$baseDir/themes", true);
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foreach($themeDirs as $themeDir) {
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$themeName = strtok($themeDir, '_');
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ManifestBuilder::getTemplateManifest($baseDir, THEMES_DIR . "/$themeDir", $excludedFolders, $templateManifest, $cssManifest, $themeName);
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}
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}
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// Build class-info array from class manifest
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$allClasses = ManifestBuilder::allClasses($allPhpFiles);
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// Pull the class filenames out
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$classManifest = $allClasses['file'];
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unset($allClasses['file']);
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// Ensure that any custom templates get favoured
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if(!$project) user_error("\$project isn't set", E_USER_WARNING);
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else if(!file_exists("$baseDir/$project")) user_error("\$project is set to '$project' but no such folder exists.", E_USER_WARNING);
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else ManifestBuilder::getTemplateManifest($baseDir, $project, $excludedFolders, $templateManifest, $cssManifest);
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$manifestInfo["globals"]["_CLASS_MANIFEST"] = $classManifest;
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$manifestInfo["globals"]["_ALL_CLASSES"] = $allClasses;
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$manifestInfo["globals"]["_TEMPLATE_MANIFEST"] = $templateManifest;
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$manifestInfo["globals"]["_CSS_MANIFEST"] = $cssManifest;
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return $manifestInfo;
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}
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/**
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* Generates a list of all the PHP files that should be analysed by the manifest builder.
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*
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* @param string $folder The folder to traverse (recursively)
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* @param array $classMap The already built class map
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*/
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private static function get_all_php_files($folder, $excludedFolders, &$allPhpFiles) {
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$items = scandir($folder);
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if($items) foreach($items as $item) {
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// Skip some specific PHP files
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if(in_array($item, self::$ignore_files)) continue;
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// ignore hidden files and folders
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if(substr($item,0,1) == '.') continue;
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// ignore files without php-extension
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if(substr($item,-4) != '.php' && !@is_dir("$folder/$item")) continue;
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// ignore files and folders with underscore-prefix
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if(substr($item,0,1) == '_') continue;
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// ignore certain directories
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if(@is_dir("$folder/$item") && in_array($item, self::$ignore_folders)) continue;
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// ignore directories with _manifest_exlude file
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if(@is_dir("$folder/$item") && file_exists("$folder/$item/_manifest_exclude")) continue;
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// i18n: ignore language files (loaded on demand)
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if($item == 'lang' && @is_dir("$folder/$item") && ereg_replace("/[^/]+/\\.\\.","",$folder.'/..') == Director::baseFolder()) continue;
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if(@is_dir("$folder/$item")) {
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// Folder exclusion - used to skip over tests/ folders
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if(in_array($item, $excludedFolders)) continue;
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// recurse into directories (if not in $ignore_folders)
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ManifestBuilder::get_all_php_files("$folder/$item", $excludedFolders, $allPhpFiles);
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} else {
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$allPhpFiles[] = "$folder/$item";
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}
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}
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}
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/**
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* Generates the template manifest - a list of all the .ss files in the
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* application.
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*
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* See {@link SSViewer} for an overview on the array structure this class creates.
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*
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* @param String $baseDir
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* @param String $folder
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*/
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private static function getTemplateManifest($baseDir, $folder, $excludedFolders, &$templateManifest, &$cssManifest, $themeName = null) {
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$items = scandir("$baseDir/$folder");
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if($items) foreach($items as $item) {
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// Skip hidden files/folders
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if(substr($item,0,1) == '.') continue;
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// Parse *.ss files
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if(substr($item,-3) == '.ss') {
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// Remove extension from template name
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$templateName = substr($item, 0, -3);
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// The "type" is effectively a subfolder underneath $folder,
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// mostly "Includes" or "Layout".
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$templateType = substr($folder,strrpos($folder,'/')+1);
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// The parent folder counts as type "main"
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if($templateType == "templates") $templateType = "main";
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// Write either to theme or to non-themed array
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if($themeName) {
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$templateManifest[$templateName]['themes'][$themeName][$templateType] = "$baseDir/$folder/$item";
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} else {
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$templateManifest[$templateName][$templateType] = "$baseDir/$folder/$item";
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}
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} else if(substr($item,-4) == '.css') {
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$cssName = substr($item, 0, -4);
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// Debug::message($item);
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if($themeName) {
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$cssManifest[$cssName]['themes'][$themeName] = "$folder/$item";
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} else {
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$cssManifest[$cssName]['unthemed'] = "$folder/$item";
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}
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} else if(@is_dir("$baseDir/$folder/$item")) {
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// Folder exclusion - used to skip over tests/ folders
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if(in_array($item, $excludedFolders)) continue;
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ManifestBuilder::getTemplateManifest($baseDir, "$folder/$item", $excludedFolders, $templateManifest, $cssManifest, $themeName);
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}
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}
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}
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/**
|
||||
* Include everything, so that actually *all* classes are available and
|
||||
* build a map of classes and their subclasses
|
||||
*
|
||||
* @param $classManifest An array of all Sapphire classes; keys are class names and values are filenames
|
||||
*
|
||||
* @return array Returns an array that holds all class relevant
|
||||
* information.
|
||||
*/
|
||||
private static function allClasses($classManifest) {
|
||||
self::$classArray = array();
|
||||
self::$extendsArray = array();
|
||||
self::$implementsArray = array();
|
||||
|
||||
// Include everything, so we actually have *all* classes
|
||||
foreach($classManifest as $file) {
|
||||
$b = basename($file);
|
||||
if($b != 'cli-script.php' && $b != 'main.php')
|
||||
self::parse_file($file);
|
||||
}
|
||||
|
||||
$allClasses["parents"] = self::find_parents();
|
||||
$allClasses["children"] = self::find_children();
|
||||
$allClasses["implementors"] = self::$implementsArray;
|
||||
|
||||
foreach(self::$classArray as $class => $info) {
|
||||
$allClasses['exists'][$class] = $class;
|
||||
// Class names are converted to lowercase for lookup to adhere to PHP's case-insensitive
|
||||
// way of dealing with them.
|
||||
$allClasses['file'][strtolower($class)] = $info['file'];
|
||||
}
|
||||
|
||||
// Build a map of classes and their subclasses
|
||||
$_classes = get_declared_classes();
|
||||
|
||||
foreach($_classes as $class) {
|
||||
$allClasses['exists'][$class] = $class;
|
||||
foreach($_classes as $subclass) {
|
||||
if(is_subclass_of($class, $subclass)) $allClasses['parents'][$class][$subclass] = $subclass;
|
||||
if(is_subclass_of($subclass, $class)) $allClasses['children'][$class][$subclass] = $subclass;
|
||||
}
|
||||
}
|
||||
|
||||
return $allClasses;
|
||||
}
|
||||
|
||||
/**
|
||||
* Parses a php file and adds any class or interface information into self::$classArray
|
||||
*
|
||||
* @param string $filename
|
||||
*/
|
||||
private static function parse_file($filename) {
|
||||
$file = file_get_contents($filename);
|
||||
|
||||
$implements = "";
|
||||
$extends = "";
|
||||
$class="";
|
||||
|
||||
if($file === null) user_error("ManifestBuilder::parse_file(): Couldn't open $filename", E_USER_ERROR);
|
||||
if(!$file) return;
|
||||
|
||||
// We cache the parse results of each file, since only a few files will have changed between flushings
|
||||
// And, although it's accurate, TokenisedRegularExpression isn't particularly fast.
|
||||
// We use an MD5 of the file as a part of the cache key because using datetime caused problems when users
|
||||
// were upgrading their sites
|
||||
$fileMD5 = md5($file);
|
||||
$parseCacheFile = TEMP_FOLDER . "/manifestClassParse-" . str_replace(array("/", ":", "\\", "."), "_", basename($filename)) . "-$fileMD5";
|
||||
if(file_exists($parseCacheFile)) {
|
||||
include($parseCacheFile);
|
||||
// Check for a bad cache file
|
||||
if(!isset($classes) || !isset($interfaces) || !is_array($classes) || !is_array($interfaces)) {
|
||||
unset($classes);
|
||||
unset($interfaces);
|
||||
}
|
||||
}
|
||||
|
||||
// Either the parseCacheFile doesn't exist, or its bad
|
||||
if(!isset($classes)) {
|
||||
$tokens = token_get_all($file);
|
||||
$classes = (array)self::getClassDefParser()->findAll($tokens);
|
||||
$interfaces = (array)self::getInterfaceDefParser()->findAll($tokens);
|
||||
|
||||
$cacheContent = '<?php
|
||||
$classes = ' . var_export($classes,true) . ';
|
||||
$interfaces = ' . var_export($interfaces,true) . ';';
|
||||
|
||||
if($fh = fopen($parseCacheFile, 'wb')) {
|
||||
fwrite($fh, $cacheContent);
|
||||
fclose($fh);
|
||||
}
|
||||
}
|
||||
|
||||
foreach($classes as $class) {
|
||||
$className = $class['className'];
|
||||
unset($class['className']);
|
||||
$class['file'] = $filename;
|
||||
if(!isset($class['extends'])) $class['extends'] = null;
|
||||
|
||||
if($class['extends']) self::$extendsArray[$class['extends']][$className] = $className;
|
||||
if(isset($class['interfaces'])) foreach($class['interfaces'] as $interface) {
|
||||
self::$implementsArray[$interface][$className] = $className;
|
||||
}
|
||||
|
||||
if(isset(self::$classArray[$className])) {
|
||||
$file1 = self::$classArray[$className]['file'];
|
||||
$file2 = $class['file'];
|
||||
user_error("There are two files both containing the same class: '$file1' and " .
|
||||
"'$file2'. This might mean that the wrong code is being used.", E_USER_WARNING);
|
||||
}
|
||||
|
||||
self::$classArray[$className] = $class;
|
||||
}
|
||||
|
||||
foreach($interfaces as $interface) {
|
||||
$className = $interface['interfaceName'];
|
||||
unset($interface['interfaceName']);
|
||||
$interface['file'] = $filename;
|
||||
if(!isset($interface['extends'])) $interface['extends'] = null;
|
||||
|
||||
if(isset(self::$classArray[$className])) {
|
||||
$file1 = self::$classArray[$className]['file'];
|
||||
$file2 = $interface[$className];
|
||||
user_error("There are two files both containing the same class: '$file1' and " .
|
||||
"'$file2'. This might mean that the wrong code is being used.", E_USER_WARNING);
|
||||
}
|
||||
|
||||
self::$classArray[$className] = $interface;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a {@link TokenisedRegularExpression} object that will parse class definitions
|
||||
* @return TokenisedRegularExpression
|
||||
*/
|
||||
public static function getClassDefParser() {
|
||||
require_once('core/TokenisedRegularExpression.php');
|
||||
|
||||
return new TokenisedRegularExpression(array(
|
||||
0 => T_CLASS,
|
||||
1 => T_WHITESPACE,
|
||||
2 => array(T_STRING, 'can_jump_to' => array(7, 14), 'save_to' => 'className'),
|
||||
3 => T_WHITESPACE,
|
||||
4 => T_EXTENDS,
|
||||
5 => T_WHITESPACE,
|
||||
6 => array(T_STRING, 'save_to' => 'extends', 'can_jump_to' => 14),
|
||||
7 => T_WHITESPACE,
|
||||
8 => T_IMPLEMENTS,
|
||||
9 => T_WHITESPACE,
|
||||
10 => array(T_STRING, 'can_jump_to' => 14, 'save_to' => 'interfaces[]'),
|
||||
11 => array(T_WHITESPACE, 'optional' => true),
|
||||
12 => array(',', 'can_jump_to' => 10),
|
||||
13 => array(T_WHITESPACE, 'can_jump_to' => 10),
|
||||
14 => array(T_WHITESPACE, 'optional' => true),
|
||||
15 => '{',
|
||||
));
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a {@link TokenisedRegularExpression} object that will parse class definitions
|
||||
* @return TokenisedRegularExpression
|
||||
*/
|
||||
public static function getInterfaceDefParser() {
|
||||
require_once('core/TokenisedRegularExpression.php');
|
||||
|
||||
return new TokenisedRegularExpression(array(
|
||||
0 => T_INTERFACE,
|
||||
1 => T_WHITESPACE,
|
||||
2 => array(T_STRING, 'can_jump_to' => 7, 'save_to' => 'interfaceName'),
|
||||
3 => T_WHITESPACE,
|
||||
4 => T_EXTENDS,
|
||||
5 => T_WHITESPACE,
|
||||
6 => array(T_STRING, 'save_to' => 'extends'),
|
||||
7 => array(T_WHITESPACE, 'optional' => true),
|
||||
8 => '{',
|
||||
));
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Moves through self::$classArray and creates an array containing parent data
|
||||
*
|
||||
* @return array
|
||||
*/
|
||||
private static function find_parents() {
|
||||
$parentArray = array();
|
||||
foreach(self::$classArray as $class => $info) {
|
||||
$extendArray = array();
|
||||
|
||||
$parent = $info["extends"];
|
||||
|
||||
while($parent) {
|
||||
$extendArray[$parent] = $parent;
|
||||
$parent = isset(self::$classArray[$parent]["extends"]) ? self::$classArray[$parent]["extends"] : null;
|
||||
}
|
||||
$parentArray[$class] = array_reverse($extendArray);
|
||||
}
|
||||
return $parentArray;
|
||||
}
|
||||
|
||||
/**
|
||||
* Iterates through self::$classArray and returns an array with any descendant data
|
||||
*
|
||||
* @return array
|
||||
*/
|
||||
private static function find_children() {
|
||||
$childrenArray = array();
|
||||
foreach(self::$extendsArray as $class => $children) {
|
||||
$allChildren = $children;
|
||||
foreach($children as $childName) {
|
||||
$allChildren = array_merge($allChildren, self::up_children($childName));
|
||||
}
|
||||
$childrenArray[$class] = $allChildren;
|
||||
}
|
||||
return $childrenArray;
|
||||
}
|
||||
|
||||
/**
|
||||
* Helper function to find all children of give class
|
||||
*
|
||||
* @param string $class
|
||||
* @return array
|
||||
*/
|
||||
private static function get_children($class) {
|
||||
return isset(self::$extendsArray[$class]) ? self::$extendsArray[$class] : array();
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns if the Manifest has been included
|
||||
*
|
||||
* @return Boolean
|
||||
*/
|
||||
static function has_been_included() {
|
||||
global $_CLASS_MANIFEST, $_TEMPLATE_MANIFEST, $_CSS_MANIFEST, $_ALL_CLASSES;
|
||||
return (bool)!(empty($_CLASS_MANIFEST) && empty($_TEMPLATE_MANIFEST) && empty($_CSS_MANIFEST) && empty($_ALL_CLASSES));
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a flat array with all children of a given class
|
||||
*
|
||||
* @param string $class
|
||||
* @param array $results
|
||||
*/
|
||||
static function up_children($class) {
|
||||
$children = self::get_Children($class);
|
||||
$results = $children;
|
||||
foreach($children as $className) {
|
||||
$results = array_merge($results, self::up_children($className));
|
||||
}
|
||||
return $results;;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,85 @@
|
|||
<?php
|
||||
/**
|
||||
* A class that handles loading classes and interfaces from a class manifest
|
||||
* instance.
|
||||
*
|
||||
* @package sapphire
|
||||
* @subpackage manifest
|
||||
*/
|
||||
class SS_ClassLoader {
|
||||
|
||||
/**
|
||||
* @var SS_ClassLoader
|
||||
*/
|
||||
private static $instance;
|
||||
|
||||
/**
|
||||
* @var SS_ClassManifest[]
|
||||
*/
|
||||
protected $manifests = array();
|
||||
|
||||
/**
|
||||
* @return SS_ClassLoader
|
||||
*/
|
||||
public static function instance() {
|
||||
return self::$instance ? self::$instance : self::$instance = new self();
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the currently active class manifest instance that is used for
|
||||
* loading classes.
|
||||
*
|
||||
* @return SS_ClassManifest
|
||||
*/
|
||||
public function getManifest() {
|
||||
return $this->manifests[count($this->manifests) - 1];
|
||||
}
|
||||
|
||||
/**
|
||||
* Pushes a class manifest instance onto the top of the stack. This will
|
||||
* also include any module configuration files at the same time.
|
||||
*
|
||||
* @param SS_ClassManifest $manifest
|
||||
*/
|
||||
public function pushManifest(SS_ClassManifest $manifest) {
|
||||
$this->manifests[] = $manifest;
|
||||
|
||||
foreach ($manifest->getConfigs() as $config) {
|
||||
require_once $config;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @return SS_ClassManifest
|
||||
*/
|
||||
public function popManifest() {
|
||||
return array_pop($this->manifests);
|
||||
}
|
||||
|
||||
public function registerAutoloader() {
|
||||
spl_autoload_register(array($this, 'loadClass'));
|
||||
}
|
||||
|
||||
/**
|
||||
* Loads a class or interface if it is present in the currently active
|
||||
* manifest.
|
||||
*
|
||||
* @param string $class
|
||||
*/
|
||||
public function loadClass($class) {
|
||||
if ($path = $this->getManifest()->getItemPath($class)) {
|
||||
require_once $path;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns true if a class or interface name exists in the manifest.
|
||||
*
|
||||
* @param string $class
|
||||
* @return bool
|
||||
*/
|
||||
public function classExists($class) {
|
||||
return class_exists($class, false) || $this->getManifest()->getItemPath($class);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,111 +0,0 @@
|
|||
<?php
|
||||
|
||||
$filesystemFixture = array(
|
||||
'rahbeast/',
|
||||
'rahbeast/_config.php' => <<<PHP
|
||||
<?php
|
||||
|
||||
global \$project;
|
||||
\$project = 'rahbeast';
|
||||
|
||||
PHP
|
||||
,
|
||||
'sapphire/',
|
||||
'sapphire/_config.php',
|
||||
'sapphire/MyClass.php' => <<<PHP
|
||||
<?php
|
||||
|
||||
interface MyInterface {
|
||||
|
||||
}
|
||||
interface OtherInterface {
|
||||
|
||||
}
|
||||
class BaseClass {
|
||||
|
||||
}
|
||||
|
||||
/* This is a comment before */
|
||||
class MyClass extends Object {
|
||||
|
||||
}
|
||||
|
||||
/* This is a comment between */
|
||||
|
||||
class MyClass_Other extends DataObject implements MyInterface {
|
||||
|
||||
}
|
||||
|
||||
class MyClass_Final extends DataObject implements MyInterface, OtherInterface {
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
Here we have a class in a comment:
|
||||
class MyClass_InComment extends DataObject {
|
||||
|
||||
}
|
||||
|
||||
This class definition isn't named correctly:
|
||||
class UnrelatedCLass extends DataObject {
|
||||
|
||||
}
|
||||
|
||||
*/
|
||||
|
||||
// This is another class definition: class MyClass_InSlashSlashComment extends DataObject {
|
||||
|
||||
// Here's a class definition in a string:
|
||||
\$string = <<<MYCODE
|
||||
|
||||
class MyClass_InHeredocString extends DataObject {
|
||||
|
||||
}
|
||||
|
||||
MYCODE;
|
||||
|
||||
// Other definitions inside strings:
|
||||
\$string2 = 'class MyClass_InSingleQuoteString extends DataObject {
|
||||
}'
|
||||
\$string3 = "class MyClass_InDoubleQuoteString extends DataObject {
|
||||
}
|
||||
|
||||
I've included \"an escaped quote\" in this to ensure that it can handle that.
|
||||
"
|
||||
|
||||
/* let's define a class between two strings to confirm that it gets discovered */
|
||||
class MyClass_ClassBetweenTwoStrings extends DataObject {
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
\$string4 = "class MyClass_InDoubleQuoteString extends DataObject {
|
||||
}
|
||||
|
||||
I've included \"an escaped quote\" in this to ensure that it can handle that.
|
||||
"
|
||||
|
||||
?>
|
||||
PHP
|
||||
,
|
||||
'sapphire/subdir/',
|
||||
'sapphire/subdir/SubDirClass.php' => <<<PHP
|
||||
<?php
|
||||
|
||||
class SubDirClass extends BaseClass implements MyInterace, OtherInterface {
|
||||
|
||||
}
|
||||
PHP
|
||||
,
|
||||
'sapphire/subdir/SubDirClass.php',
|
||||
'otherdir/',
|
||||
'otherdir/OtherFile.php' => <<<PHP
|
||||
<?php
|
||||
|
||||
class OtherFile extends BaseClass {
|
||||
|
||||
}
|
||||
PHP
|
||||
,
|
||||
);
|
||||
|
|
@ -1,148 +0,0 @@
|
|||
<?php
|
||||
/**
|
||||
* @package sapphire
|
||||
* @subpackage tests
|
||||
*/
|
||||
class ManifestBuilderTest extends SapphireTest {
|
||||
function testManifest() {
|
||||
$baseFolder = TEMP_FOLDER . '/manifest-test-asdfasdfasdf';
|
||||
$manifestInfo = ManifestBuilder::get_manifest_info($baseFolder);
|
||||
global $project;
|
||||
|
||||
$this->assertEquals("$baseFolder/sapphire/MyClass.php", $manifestInfo['globals']['_CLASS_MANIFEST']['myclass']);
|
||||
$this->assertEquals("$baseFolder/sapphire/subdir/SubDirClass.php", $manifestInfo['globals']['_CLASS_MANIFEST']['subdirclass']);
|
||||
$this->assertNotContains('OtherFile', array_keys($manifestInfo['globals']['_CLASS_MANIFEST']));
|
||||
|
||||
$this->assertContains('MyClass', array_keys($manifestInfo['globals']['_ALL_CLASSES']['exists']));
|
||||
$this->assertContains('MyClass_Other', array_keys($manifestInfo['globals']['_ALL_CLASSES']['exists']));
|
||||
$this->assertContains('MyClass_Final', array_keys($manifestInfo['globals']['_ALL_CLASSES']['exists']));
|
||||
$this->assertContains('MyClass_ClassBetweenTwoStrings', array_keys($manifestInfo['globals']['_ALL_CLASSES']['exists']));
|
||||
|
||||
// Check aspects of PHP file
|
||||
$manifest = ManifestBuilder::generate_php_file($manifestInfo);
|
||||
// Debug::message($manifest);
|
||||
$this->assertEquals(1, preg_match('/^<\?php/', $manifest), "Starts with <?php");
|
||||
$this->assertEquals(1, preg_match('/\$_CLASS_MANIFEST\s*=\s*array/m', $manifest), "\$_CLASS_MANIFEST exists");
|
||||
$this->assertEquals(1, preg_match('/\$_TEMPLATE_MANIFEST\s*=\s*array/m', $manifest), "\$_TEMPLATE_MANIFEST exists");
|
||||
$this->assertEquals(1, preg_match('/\$_CSS_MANIFEST\s*=\s*array/m', $manifest), "\$_CSS_MANIFEST exists");
|
||||
$this->assertEquals(1, preg_match('/\$_ALL_CLASSES\s*=\s*array/m', $manifest), "\$_ALL_CLASSES exists");
|
||||
|
||||
$this->assertEquals(1, preg_match('/require_once\("[^"]+rahbeast\/_config.php"\);/i', $manifest), "rahbeast/_config.php included");
|
||||
$this->assertEquals(1, preg_match('/require_once\("[^"]+sapphire\/_config.php"\);/i', $manifest), "sapphire/_config.php included");
|
||||
}
|
||||
|
||||
function testManifestIgnoresClassesInComments() {
|
||||
$baseFolder = TEMP_FOLDER . '/manifest-test-asdfasdfasdf';
|
||||
global $project;
|
||||
|
||||
$manifestInfo = ManifestBuilder::get_manifest_info($baseFolder);
|
||||
|
||||
/* Our fixture defines the class MyClass_InComment inside a comment, so it shouldn't be included in the class manifest. */
|
||||
$this->assertNotContains('myclass_incomment', array_keys($manifestInfo['globals']['_CLASS_MANIFEST']));
|
||||
$this->assertNotContains('MyClass_InComment', array_keys($manifestInfo['globals']['_ALL_CLASSES']['exists']));
|
||||
$this->assertNotContains('MyClass_InComment', array_keys($manifestInfo['globals']['_ALL_CLASSES']['parents']));
|
||||
|
||||
/* Our fixture defines the class MyClass_InSlashSlashComment inside a //-style comment, so it shouldn't be included in the class manifest. */
|
||||
$this->assertNotContains('myclass_inslashslashcomment', array_keys($manifestInfo['globals']['_CLASS_MANIFEST']));
|
||||
$this->assertNotContains('MyClass_InSlashSlashComment', array_keys($manifestInfo['globals']['_ALL_CLASSES']['exists']));
|
||||
$this->assertNotContains('MyClass_InSlashSlashComment', array_keys($manifestInfo['globals']['_ALL_CLASSES']['parents']));
|
||||
}
|
||||
|
||||
function testManifestIgnoresClassesInStrings() {
|
||||
$baseFolder = TEMP_FOLDER . '/manifest-test-asdfasdfasdf';
|
||||
$manifestInfo = ManifestBuilder::get_manifest_info($baseFolder);
|
||||
|
||||
/* If a class defintion is listed in a single quote string, then it shouldn't be inlcuded. Here we have put a class definition for MyClass_InSingleQuoteString inside a single-quoted string */
|
||||
$this->assertNotContains('myclass_insinglequotestring', array_keys($manifestInfo['globals']['_CLASS_MANIFEST']));
|
||||
$this->assertNotContains('MyClass_InSingleQuoteString', array_keys($manifestInfo['globals']['_ALL_CLASSES']['exists']));
|
||||
$this->assertNotContains('MyClass_InSingleQuoteString', array_keys($manifestInfo['globals']['_ALL_CLASSES']['parents']));
|
||||
|
||||
/* Ditto for double quotes. Here we have put a class definition for MyClass_InDoubleQuoteString inside a double-quoted string. */
|
||||
$this->assertNotContains('myclass_indoublequotestring', array_keys($manifestInfo['globals']['_CLASS_MANIFEST']));
|
||||
$this->assertNotContains('MyClass_InDoubleQuoteString', array_keys($manifestInfo['globals']['_ALL_CLASSES']['exists']));
|
||||
$this->assertNotContains('MyClass_InDoubleQuoteString', array_keys($manifestInfo['globals']['_ALL_CLASSES']['parents']));
|
||||
|
||||
/* Finally, we need to ensure that class definitions inside heredoc strings aren't included. Here, we have defined the class MyClass_InHeredocString inside a heredoc string. */
|
||||
$this->assertNotContains('myclass_inheredocstring', array_keys($manifestInfo['globals']['_CLASS_MANIFEST']));
|
||||
$this->assertNotContains('MyClass_InHeredocString', array_keys($manifestInfo['globals']['_ALL_CLASSES']['exists']));
|
||||
$this->assertNotContains('MyClass_InHeredocString', array_keys($manifestInfo['globals']['_ALL_CLASSES']['parents']));
|
||||
}
|
||||
|
||||
|
||||
function testClassNamesDontHaveToBeTheSameAsFileNames() {
|
||||
$baseFolder = TEMP_FOLDER . '/manifest-test-asdfasdfasdf';
|
||||
$manifestInfo = ManifestBuilder::get_manifest_info($baseFolder);
|
||||
|
||||
$this->assertContains('BaseClass', array_keys($manifestInfo['globals']['_ALL_CLASSES']['exists']));
|
||||
}
|
||||
|
||||
protected $originalClassManifest, $originalProject, $originalAllClasses;
|
||||
protected static $test_fixture_project;
|
||||
|
||||
function setUp() {
|
||||
parent::setUp();
|
||||
|
||||
// Trick the auto-loder into loading this class before we muck with the manifest
|
||||
new TokenisedRegularExpression(null);
|
||||
|
||||
include('tests/ManifestBuilderTest.fixture.inc');
|
||||
|
||||
// Build the fixture specified above
|
||||
$baseFolder = TEMP_FOLDER . '/manifest-test-asdfasdfasdf/';
|
||||
|
||||
if(file_exists($baseFolder)) Filesystem::removeFolder($baseFolder);
|
||||
mkdir($baseFolder);
|
||||
|
||||
foreach($filesystemFixture as $i => $item) {
|
||||
if(is_numeric($i)) {
|
||||
$itemContent = null;
|
||||
} else {
|
||||
$itemContent = $item;
|
||||
$item = $i;
|
||||
}
|
||||
|
||||
// Directory
|
||||
if(substr($item,-1) == '/') {
|
||||
mkdir($baseFolder . $item);
|
||||
} else {
|
||||
touch($baseFolder . $item);
|
||||
if($itemContent) {
|
||||
$fh = fopen($baseFolder . $item, 'wb');
|
||||
fwrite($fh, $itemContent);
|
||||
fclose($fh);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
global $_CLASS_MANIFEST, $_ALL_CLASSES, $project;
|
||||
|
||||
$this->originalAllClasses = $_ALL_CLASSES;
|
||||
$this->originalClassManifest = $_CLASS_MANIFEST;
|
||||
$this->originalProject = $project;
|
||||
|
||||
// Because it's difficult to run multiple tests on a piece of code that uses require_once, we keep a copy of the
|
||||
// $project value.
|
||||
if(self::$test_fixture_project) $project = self::$test_fixture_project;
|
||||
|
||||
global $project;
|
||||
}
|
||||
|
||||
function tearDown() {
|
||||
global $_CLASS_MANIFEST, $_ALL_CLASSES, $project;
|
||||
|
||||
if(!self::$test_fixture_project) self::$test_fixture_project = $project;
|
||||
|
||||
$project = $this->originalProject;
|
||||
$_CLASS_MANIFEST = $this->originalClassManifest;
|
||||
$_ALL_CLASSES = $this->originalAllClasses;
|
||||
|
||||
// Kill the folder after we're done
|
||||
$baseFolder = TEMP_FOLDER . '/manifest-test-asdfasdfasdf/';
|
||||
Filesystem::removeFolder($baseFolder);
|
||||
|
||||
parent::tearDown();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
?>
|
||||
Loading…
Reference in New Issue