Merge remote-tracking branch 'origin/feature/classloader-10614'

This commit is contained in:
Thomas Gelf 2015-11-13 11:56:02 +01:00
commit 202b493c10
5 changed files with 295 additions and 67 deletions

View File

@ -349,28 +349,23 @@ abstract class ApplicationBootstrap
$this->loader = new ClassLoader();
$this->loader->registerNamespace('Icinga', $this->libDir . '/Icinga');
$this->loader->registerNamespace('Icinga', $this->libDir . '/Icinga', $this->appDir);
$this->loader->register();
return $this;
}
/**
* Register the Zend Autoloader
* Register the Zend Autoloader - compat only - does nothing
*
* @deprecated
* @return $this
*/
public function setupZendAutoloader()
{
require_once 'Zend/Loader/Autoloader.php';
\Zend_Loader_Autoloader::getInstance();
\Zend_Paginator::addScrollingStylePrefixPath(
'Icinga_Web_Paginator_ScrollingStyle_', $this->libDir . '/Icinga/Web/Paginator/ScrollingStyle'
);
return $this;
}
/**
* Setup module manager
*

View File

@ -3,6 +3,8 @@
namespace Icinga\Application;
use Zend_Loader_Autoloader;
/**
* PSR-4 class loader
*/
@ -13,6 +15,40 @@ class ClassLoader
*/
const NAMESPACE_SEPARATOR = '\\';
/**
* Icinga Web 2 module namespace prefix
*/
const MODULE_PREFIX = 'Icinga\\Module\\';
/**
* Icinga Web 2 module namespace prefix length
*
* Helps to make substr/strpos operations even faster
*/
const MODULE_PREFIX_LENGTH = 14;
/**
* A hardcoded class/subdir map for application ns prefixes
*
* When a module registers with an application directory, those
* namespace prefixes (after the module prefix) will be looked up
* in the corresponding application subdirectories
*
* @var array
*/
protected $applicationPrefixes = array(
'Clicommands' => 'clicommands',
'Controllers' => 'controllers',
'Forms' => 'forms'
);
/**
* Whether we already instantiated the ZF autoloader
*
* @var boolean
*/
protected $gotZend = false;
/**
* Namespaces
*
@ -20,18 +56,33 @@ class ClassLoader
*/
private $namespaces = array();
/**
* Application directories
*
* @var array
*/
private $applicationDirectories = array();
/**
* Register a base directory for a namespace prefix
*
* Application directory is optional and provides additional lookup
* logic for hardcoded namespaces like "Forms"
*
* @param string $namespace
* @param string $directory
* @param string $appDirectory
*
* @return $this
*/
public function registerNamespace($namespace, $directory)
public function registerNamespace($namespace, $directory, $appDirectory = null)
{
$this->namespaces[$namespace] = $directory;
if ($appDirectory !== null) {
$this->applicationDirectories[$namespace] = $appDirectory;
}
return $this;
}
@ -56,21 +107,177 @@ class ClassLoader
*/
public function getSourceFile($class)
{
if ($file = $this->getModuleSourceFile($class)) {
return $file;
}
foreach ($this->namespaces as $namespace => $dir) {
if ($class === strstr($class, $namespace)) {
$classPath = str_replace(
self::NAMESPACE_SEPARATOR,
DIRECTORY_SEPARATOR,
substr($class, strlen($namespace))
) . '.php';
if (file_exists($file = $dir . $classPath)) {
return $file;
}
return $this->buildClassFilename($class, $namespace);
}
}
return null;
}
/**
* Get the source file of the given module class or interface
*
* @param string $class Module class or interface name
*
* @return string|null
*/
protected function getModuleSourceFile($class)
{
if (! $this->classBelongsToModule($class)) {
return null;
}
$modules = Icinga::app()->getModuleManager();
$namespace = $this->extractModuleNamespace($class);
if ($this->hasNamespace($namespace)) {
return $this->buildClassFilename($class, $namespace);
} elseif (! $modules->loadedAllEnabledModules()) {
$moduleName = $this->extractModuleName($class);
if ($modules->hasEnabled($moduleName)) {
$modules->loadModule($moduleName);
return $this->buildClassFilename($class, $namespace);
}
}
return null;
}
/**
* Extract the Icinga module namespace from a given namespaced class name
*
* Does no validation, prefix must have been checked before
*
* @return string
*/
protected function extractModuleNamespace($class)
{
return substr(
$class,
0,
strpos($class, self::NAMESPACE_SEPARATOR, self::MODULE_PREFIX_LENGTH + 1)
);
}
/**
* Extract the Icinga module name from a given namespaced class name
*
* Does no validation, prefix must have been checked before
*
* @return string
*/
protected function extractModuleName($class)
{
return lcfirst(
substr(
$class,
self::MODULE_PREFIX_LENGTH,
strpos(
$class,
self::NAMESPACE_SEPARATOR,
self::MODULE_PREFIX_LENGTH + 1
) - self::MODULE_PREFIX_LENGTH
)
);
}
/**
* Whether the given class name belongs to a module namespace
*
* @return boolean
*/
protected function classBelongsToModule($class)
{
return substr($class, 0, self::MODULE_PREFIX_LENGTH) === self::MODULE_PREFIX;
}
/**
* Prepare a filename string for the given class
*
* Expects the given namespace to be registered with a path name
*
* @return string
*/
protected function buildClassFilename($class, $namespace)
{
$relNs = substr($class, strlen($namespace) + 1);
if ($this->namespaceHasApplictionDirectory($namespace)) {
$prefixSeparator = strpos($relNs, self::NAMESPACE_SEPARATOR);
$prefix = substr($relNs, 0, $prefixSeparator);
if ($this->isApplicationPrefix($prefix)) {
return $this->applicationDirectories[$namespace]
. DIRECTORY_SEPARATOR
. $this->applicationPrefixes[$prefix]
. $this->classToRelativePhpFilename(substr($relNs, $prefixSeparator));
}
}
return $this->namespaces[$namespace] . DIRECTORY_SEPARATOR . $this->classToRelativePhpFilename($relNs);
}
/**
* Return the relative file name for the given (namespaces) class
*
* @param string $class
*
* @return string
*/
protected function classToRelativePhpFilename($class)
{
return str_replace(
self::NAMESPACE_SEPARATOR,
DIRECTORY_SEPARATOR,
$class
) . '.php';
}
/**
* Whether given prefix (Forms, Controllers...) makes part of "application"
*
* @param string $prefix
*
* @return boolean
*/
protected function isApplicationPrefix($prefix)
{
return array_key_exists($prefix, $this->applicationPrefixes);
}
/**
* Whether the given namespace registered an application directory
*
* @return boolean
*/
protected function namespaceHasApplictionDirectory($namespace)
{
return array_key_exists($namespace, $this->applicationDirectories);
}
/**
* Require ZF autoloader
*
* @return Zend_Loader_Autoloader
*/
protected function requireZendAutoloader()
{
require_once 'Zend/Loader/Autoloader.php';
$this->gotZend = true;
return Zend_Loader_Autoloader::getInstance();
}
/**
* Load the given class or interface
*
@ -80,10 +287,22 @@ class ClassLoader
*/
public function loadClass($class)
{
if ($file = $this->getSourceFile($class)) {
require $file;
return true;
// We are aware of the Zend_ prefix and lazyload it's autoloader.
// Return as fast as possible if we already did so.
if (substr($class, 0, 5) === 'Zend_') {
if (! $this->gotZend) {
$this->requireZendAutoloader();
}
return false;
}
if ($file = $this->getSourceFile($class)) {
if (file_exists($file)) {
require $file;
return true;
}
}
return false;
}

View File

@ -73,6 +73,13 @@ class Manager
*/
private $modulePaths = array();
/**
* Whether we loaded all enabled modules
*
* @var bool
*/
private $loadedAllEnabledModules = false;
/**
* Create a new instance of the module manager
*
@ -177,12 +184,28 @@ class Manager
*/
public function loadEnabledModules()
{
foreach ($this->listEnabledModules() as $name) {
$this->loadModule($name);
if (! $this->loadedAllEnabledModules) {
foreach ($this->listEnabledModules() as $name) {
$this->loadModule($name);
}
$this->loadedAllEnabledModules = true;
}
return $this;
}
/**
* Whether we loaded all enabled modules
*
* @return bool
*/
public function loadedAllEnabledModules()
{
return $this->loadedAllEnabledModules;
}
/**
* Try to load the module and register it in the application
*
@ -245,6 +268,8 @@ class Manager
);
}
$this->loadedAllEnabledModules = false;
if (file_exists($link) && is_link($link)) {
return $this;
}

View File

@ -51,6 +51,13 @@ class Module
*/
private $cssdir;
/**
* Base application directory
*
* @var string
*/
private $appdir;
/**
* Library directory
*
@ -244,6 +251,7 @@ class Module
$this->jsdir = $basedir . '/public/js';
$this->libdir = $basedir . '/library';
$this->configdir = $app->getConfigDir('modules/' . $name);
$this->appdir = $basedir . '/application';
$this->localedir = $basedir . '/application/locale';
$this->formdir = $basedir . '/application/forms';
$this->controllerdir = $basedir . '/application/controllers';
@ -739,6 +747,16 @@ class Module
return $this->basedir;
}
/**
* Get the module's application directory
*
* @return string
*/
public function getApplicationDir()
{
return $this->appdir;
}
/**
* Get the module's library directory
*
@ -1043,18 +1061,13 @@ class Module
return $this;
}
$loader = $this->app->getLoader();
$moduleName = ucfirst($this->getName());
$moduleLibraryDir = $this->getLibDir(). '/'. $moduleName;
if (is_dir($moduleLibraryDir)) {
$loader->registerNamespace('Icinga\\Module\\' . $moduleName, $moduleLibraryDir);
}
$moduleFormDir = $this->getFormDir();
if (is_dir($moduleFormDir)) {
$loader->registerNamespace('Icinga\\Module\\' . $moduleName. '\\Forms', $moduleFormDir);
}
$this->app->getLoader()->registerNamespace(
'Icinga\\Module\\' . $moduleName,
$this->getLibDir() . '/'. $moduleName,
$this->getApplicationDir()
);
$this->registeredAutoloader = true;
@ -1118,21 +1131,10 @@ class Module
if (! $this->app->isWeb()) {
return $this;
}
$moduleControllerDir = $this->getControllerDir();
if (is_dir($moduleControllerDir)) {
$this->app->getfrontController()->addControllerDirectory(
$moduleControllerDir,
$this->getName()
);
$this->app->getLoader()->registerNamespace(
'Icinga\\Module\\' . ucfirst($this->getName()) . '\\' . Dispatcher::CONTROLLER_NAMESPACE,
$moduleControllerDir
);
}
$this
return $this
->registerLocales()
->registerRoutes();
return $this;
}
/**
@ -1143,6 +1145,13 @@ class Module
protected function registerRoutes()
{
$router = $this->app->getFrontController()->getRouter();
// TODO: We should not be required to do this. Please check dispatch()
$this->app->getfrontController()->addControllerDirectory(
$this->getControllerDir(),
$this->getName()
);
/** @var \Zend_Controller_Router_Rewrite $router */
foreach ($this->routes as $name => $route) {
$router->addRoute($name, $route);

View File

@ -91,7 +91,6 @@ class Web extends EmbeddedWeb
->setupLogger()
->setupInternationalization()
->setupZendMvc()
->setupNamespaces()
->setupModuleManager()
->loadSetupModuleIfNecessary()
->loadEnabledModules()
@ -346,6 +345,7 @@ class Web extends EmbeddedWeb
'layoutPath' => $this->getApplicationDir('/layouts/scripts')
)
);
$this->setupFrontController();
$this->setupViewRenderer();
return $this;
@ -492,24 +492,4 @@ class Web extends EmbeddedWeb
}
return Translator::DEFAULT_LOCALE;
}
/**
* Setup class loader namespaces for Icinga\Controllers and Icinga\Forms
*
* @return $this
*/
private function setupNamespaces()
{
$this
->getLoader()
->registerNamespace(
'Icinga\\' . Dispatcher::CONTROLLER_NAMESPACE,
$this->getApplicationDir('controllers')
)
->registerNamespace(
'Icinga\\Forms',
$this->getApplicationDir('forms')
);
return $this;
}
}