<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Di\Definition;
use Zend\Code\Annotation\AnnotationCollection;
use Zend\Code\Reflection;
use Zend\Code\Scanner\AggregateDirectoryScanner;
use Zend\Code\Scanner\DerivedClassScanner;
use Zend\Code\Scanner\DirectoryScanner;
use Zend\Code\Scanner\FileScanner;
/**
* Class definitions based on a set of directories to be scanned
*/
class CompilerDefinition implements DefinitionInterface
{
protected $isCompiled = false;
protected $introspectionStrategy = null;
protected $allowReflectionExceptions = false;
/**
* @var AggregateDirectoryScanner
*/
protected $directoryScanner = null;
protected $classes = array();
/**
* Constructor
*
* @param null|IntrospectionStrategy $introspectionStrategy
*/
public function __construct(IntrospectionStrategy $introspectionStrategy = null)
{
$this->introspectionStrategy = ($introspectionStrategy) ?: new IntrospectionStrategy();
$this->directoryScanner = new AggregateDirectoryScanner();
}
/**
* Set introspection strategy
*
* @param IntrospectionStrategy $introspectionStrategy
*/
public function setIntrospectionStrategy(IntrospectionStrategy $introspectionStrategy)
{
$this->introspectionStrategy = $introspectionStrategy;
}
/**
* @param bool $allowReflectionExceptions
*/
public function setAllowReflectionExceptions($allowReflectionExceptions = true)
{
$this->allowReflectionExceptions = (bool) $allowReflectionExceptions;
}
/**
* Get introspection strategy
*
* @return IntrospectionStrategy
*/
public function getIntrospectionStrategy()
{
return $this->introspectionStrategy;
}
/**
* Add directory
*
* @param string $directory
*/
public function addDirectory($directory)
{
$this->addDirectoryScanner(new DirectoryScanner($directory));
}
/**
* Add directory scanner
*
* @param DirectoryScanner $directoryScanner
*/
public function addDirectoryScanner(DirectoryScanner $directoryScanner)
{
$this->directoryScanner->addDirectoryScanner($directoryScanner);
}
/**
* Add code scanner file
*
* @param FileScanner $fileScanner
*/
public function addCodeScannerFile(FileScanner $fileScanner)
{
if ($this->directoryScanner == null) {
$this->directoryScanner = new DirectoryScanner();
}
$this->directoryScanner->addFileScanner($fileScanner);
}
/**
* Compile
*
* @return void
*/
public function compile()
{
/* @var $classScanner \Zend\Code\Scanner\DerivedClassScanner */
foreach ($this->directoryScanner->getClassNames() as $class) {
$this->processClass($class);
}
}
/**
* @return ArrayDefinition
*/
public function toArrayDefinition()
{
return new ArrayDefinition(
$this->classes
);
}
/**
* @param string $class
* @throws \ReflectionException
*/
protected function processClass($class)
{
$strategy = $this->introspectionStrategy; // localize for readability
try {
$rClass = new Reflection\ClassReflection($class);
} catch (\ReflectionException $e) {
if (!$this->allowReflectionExceptions) {
throw $e;
}
return;
}
$className = $rClass->getName();
$matches = null; // used for regex below
// setup the key in classes
$this->classes[$className] = array(
'supertypes' => array(),
'instantiator' => null,
'methods' => array(),
'parameters' => array()
);
$def = &$this->classes[$className]; // localize for brevity
// class annotations?
if ($strategy->getUseAnnotations() == true) {
$annotations = $rClass->getAnnotations($strategy->getAnnotationManager());
if (($annotations instanceof AnnotationCollection)
&& $annotations->hasAnnotation('Zend\Di\Definition\Annotation\Instantiator')
) {
// @todo Instantiator support in annotations
}
}
/* @var $rTarget \Zend\Code\Reflection\ClassReflection */
$rTarget = $rClass;
$supertypes = array();
do {
$supertypes = array_merge($supertypes, $rTarget->getInterfaceNames());
if (!($rTargetParent = $rTarget->getParentClass())) {
break;
}
$supertypes[] = $rTargetParent->getName();
$rTarget = $rTargetParent;
} while (true);
$def['supertypes'] = $supertypes;
if ($def['instantiator'] == null) {
if ($rClass->isInstantiable()) {
$def['instantiator'] = '__construct';
}
}
if ($rClass->hasMethod('__construct')) {
$def['methods']['__construct'] = true; // required
try {
$this->processParams($def, $rClass, $rClass->getMethod('__construct'));
} catch (\ReflectionException $e) {
if (!$this->allowReflectionExceptions) {
throw $e;
}
return;
}
}
foreach ($rClass->getMethods(Reflection\MethodReflection::IS_PUBLIC) as $rMethod) {
$methodName = $rMethod->getName();
if ($rMethod->getName() === '__construct' || $rMethod->isStatic()) {
continue;
}
if ($strategy->getUseAnnotations() == true) {
$annotations = $rMethod->getAnnotations($strategy->getAnnotationManager());
if (($annotations instanceof AnnotationCollection)
&& $annotations->hasAnnotation('Zend\Di\Definition\Annotation\Inject')
) {
$def['methods'][$methodName] = true;
$this->processParams($def, $rClass, $rMethod);
continue;
}
}
$methodPatterns = $this->introspectionStrategy->getMethodNameInclusionPatterns();
// matches a method injection pattern?
foreach ($methodPatterns as $methodInjectorPattern) {
preg_match($methodInjectorPattern, $methodName, $matches);
if ($matches) {
$def['methods'][$methodName] = false; // check ot see if this is required?
$this->processParams($def, $rClass, $rMethod);
continue 2;
}
}
// method
// by annotation
// by setter pattern,
// by interface
}
$interfaceInjectorPatterns = $this->introspectionStrategy->getInterfaceInjectionInclusionPatterns();
// matches the interface injection pattern
/** @var $rIface \ReflectionClass */
foreach ($rClass->getInterfaces() as $rIface) {
foreach ($interfaceInjectorPatterns as $interfaceInjectorPattern) {
preg_match($interfaceInjectorPattern, $rIface->getName(), $matches);
if ($matches) {
foreach ($rIface->getMethods() as $rMethod) {
if (($rMethod->getName() === '__construct') || !count($rMethod->getParameters())) {
// constructor not allowed in interfaces
// ignore methods without parameters
continue;
}
$def['methods'][$rMethod->getName()] = true;
$this->processParams($def, $rClass, $rMethod);
}
continue 2;
}
}
}
}
/**
* @param array $def
* @param \Zend\Code\Reflection\ClassReflection $rClass
* @param \Zend\Code\Reflection\MethodReflection $rMethod
*/
protected function processParams(&$def, Reflection\ClassReflection $rClass, Reflection\MethodReflection $rMethod)
{
if (count($rMethod->getParameters()) === 0) {
return;
}
$methodName = $rMethod->getName();
// @todo annotations here for alternate names?
$def['parameters'][$methodName] = array();
foreach ($rMethod->getParameters() as $p) {
/** @var $p \ReflectionParameter */
$actualParamName = $p->getName();
$fqName = $rClass->getName() . '::' . $rMethod->getName() . ':' . $p->getPosition();
$def['parameters'][$methodName][$fqName] = array();
// set the class name, if it exists
$def['parameters'][$methodName][$fqName][] = $actualParamName;
$def['parameters'][$methodName][$fqName][] = ($p->getClass() !== null) ? $p->getClass()->getName() : null;
$def['parameters'][$methodName][$fqName][] = !($optional =$p->isOptional());
$def['parameters'][$methodName][$fqName][] = $optional && $p->isDefaultValueAvailable() ? $p->getDefaultValue() : null;
}
}
/**
* {@inheritDoc}
*/
public function getClasses()
{
return array_keys($this->classes);
}
/**
* {@inheritDoc}
*/
public function hasClass($class)
{
return (array_key_exists($class, $this->classes));
}
/**
* {@inheritDoc}
*/
public function getClassSupertypes($class)
{
if (!array_key_exists($class, $this->classes)) {
$this->processClass($class);
}
return $this->classes[$class]['supertypes'];
}
/**
* {@inheritDoc}
*/
public function getInstantiator($class)
{
if (!array_key_exists($class, $this->classes)) {
$this->processClass($class);
}
return $this->classes[$class]['instantiator'];
}
/**
* {@inheritDoc}
*/
public function hasMethods($class)
{
if (!array_key_exists($class, $this->classes)) {
$this->processClass($class);
}
return (count($this->classes[$class]['methods']) > 0);
}
/**
* {@inheritDoc}
*/
public function hasMethod($class, $method)
{
if (!array_key_exists($class, $this->classes)) {
$this->processClass($class);
}
return isset($this->classes[$class]['methods'][$method]);
}
/**
* {@inheritDoc}
*/
public function getMethods($class)
{
if (!array_key_exists($class, $this->classes)) {
$this->processClass($class);
}
return $this->classes[$class]['methods'];
}
/**
* {@inheritDoc}
*/
public function hasMethodParameters($class, $method)
{
if (!isset($this->classes[$class])) {
return false;
}
return (array_key_exists($method, $this->classes[$class]['parameters']));
}
/**
* {@inheritDoc}
*/
public function getMethodParameters($class, $method)
{
if (!is_array($this->classes[$class])) {
$this->processClass($class);
}
return $this->classes[$class]['parameters'][$method];
}
}
# |
Change |
User |
Description |
Committed |
|
#1
|
18334 |
Liz Lam |
initial add of jambox |
|
|