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Diffstat (limited to 'tests/test_tools/simpletest/reflection_php5.php')
| -rw-r--r-- | tests/test_tools/simpletest/reflection_php5.php | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/tests/test_tools/simpletest/reflection_php5.php b/tests/test_tools/simpletest/reflection_php5.php new file mode 100644 index 00000000..70419f7d --- /dev/null +++ b/tests/test_tools/simpletest/reflection_php5.php @@ -0,0 +1,275 @@ +<?php + /** + * base include file for SimpleTest + * @package SimpleTest + * @subpackage UnitTester + * @version $Id: reflection_php5.php,v 1.20 2006/02/05 21:39:07 lastcraft Exp $ + */ + + /** + * Version specific reflection API. + * @package SimpleTest + * @subpackage UnitTester + */ + class SimpleReflection { + protected $_interface; + + /** + * Stashes the class/interface. + * @param string $interface Class or interface + * to inspect. + */ + function SimpleReflection($interface) { + $this->_interface = $interface; + } + + /** + * Checks that a class has been declared. Versions + * before PHP5.0.2 need a check that it's not really + * an interface. + * @return boolean True if defined. + * @access public + */ + function classExists() { + if (! class_exists($this->_interface)) { + return false; + } + $reflection = new ReflectionClass($this->_interface); + return ! $reflection->isInterface(); + } + + /** + * Needed to kill the autoload feature in PHP5 + * for classes created dynamically. + * @return boolean True if defined. + * @access public + */ + function classExistsSansAutoload() { + return class_exists($this->_interface, false); + } + + /** + * Checks that a class or interface has been + * declared. + * @return boolean True if defined. + * @access public + */ + function classOrInterfaceExists() { + return $this->_classOrInterfaceExistsWithAutoload($this->_interface, true); + } + + /** + * Needed to kill the autoload feature in PHP5 + * for classes created dynamically. + * @return boolean True if defined. + * @access public + */ + function classOrInterfaceExistsSansAutoload() { + return $this->_classOrInterfaceExistsWithAutoload($this->_interface, false); + } + + /** + * Needed to select the autoload feature in PHP5 + * for classes created dynamically. + * @param string $interface Class or interface name. + * @param boolean $autoload True totriggerautoload. + * @return boolean True if interface defined. + * @access private + */ + function _classOrInterfaceExistsWithAutoload($interface, $autoload) { + if (function_exists('interface_exists')) { + if (interface_exists($this->_interface, $autoload)) { + return true; + } + } + return class_exists($this->_interface, $autoload); + } + + /** + * Gets the list of methods on a class or + * interface. Needs to recursively look at all of + * the interfaces included. + * @returns array List of method names. + * @access public + */ + function getMethods() { + return array_unique(get_class_methods($this->_interface)); + } + + /** + * Gets the list of interfaces from a class. If the + * class name is actually an interface then just that + * interface is returned. + * @returns array List of interfaces. + * @access public + */ + function getInterfaces() { + $reflection = new ReflectionClass($this->_interface); + if ($reflection->isInterface()) { + return array($this->_interface); + } + return $this->_onlyParents($reflection->getInterfaces()); + } + + /** + * Gets the list of methods for the implemented + * interfaces only. + * @returns array List of enforced method signatures. + * @access public + */ + function getInterfaceMethods() { + $methods = array(); + foreach ($this->getInterfaces() as $interface) { + $methods = array_merge($methods, get_class_methods($interface)); + } + return array_unique($methods); + } + + /** + * Checks to see if the method signature has to be tightly + * specified. + * @param string $method Method name. + * @returns boolean True if enforced. + * @access private + */ + function _isInterfaceMethod($method) { + return in_array($method, $this->getInterfaceMethods()); + } + + /** + * Finds the parent class name. + * @returns string Parent class name. + * @access public + */ + function getParent() { + $reflection = new ReflectionClass($this->_interface); + $parent = $reflection->getParentClass(); + if ($parent) { + return $parent->getName(); + } + return false; + } + + /** + * Determines if the class is abstract. + * @returns boolean True if abstract. + * @access public + */ + function isAbstract() { + $reflection = new ReflectionClass($this->_interface); + return $reflection->isAbstract(); + } + + /** + * Wittles a list of interfaces down to only the top + * level parents. + * @param array $interfaces Reflection API interfaces + * to reduce. + * @returns array List of parent interface names. + * @access private + */ + function _onlyParents($interfaces) { + $parents = array(); + foreach ($interfaces as $interface) { + foreach($interfaces as $possible_parent) { + if ($interface->getName() == $possible_parent->getName()) { + continue; + } + if ($interface->isSubClassOf($possible_parent)) { + break; + } + } + $parents[] = $interface->getName(); + } + return $parents; + } + + /** + * Gets the source code matching the declaration + * of a method. + * @param string $name Method name. + * @return string Method signature up to last + * bracket. + * @access public + */ + function getSignature($name) { + if ($name == '__get') { + return 'function __get($key)'; + } + if ($name == '__set') { + return 'function __set($key, $value)'; + } + if (! is_callable(array($this->_interface, $name))) { + return "function $name()"; + } + if ($this->_isInterfaceMethod($name)) { + return $this->_getFullSignature($name); + } + return "function $name()"; + } + + /** + * For a signature specified in an interface, full + * details must be replicated to be a valid implementation. + * @param string $name Method name. + * @return string Method signature up to last + * bracket. + * @access private + */ + function _getFullSignature($name) { + $interface = new ReflectionClass($this->_interface); + $method = $interface->getMethod($name); + $reference = $method->returnsReference() ? '&' : ''; + return "function $reference$name(" . + implode(', ', $this->_getParameterSignatures($method)) . + ")"; + } + + /** + * Gets the source code for each parameter. + * @param ReflectionMethod $method Method object from + * reflection API + * @return array List of strings, each + * a snippet of code. + * @access private + */ + function _getParameterSignatures($method) { + $signatures = array(); + foreach ($method->getParameters() as $parameter) { + $type = $parameter->getClass(); + $signatures[] = + (! is_null($type) ? $type->getName() . ' ' : '') . + ($parameter->isPassedByReference() ? '&' : '') . + '$' . $this->_suppressSpurious($parameter->getName()) . + ($this->_isOptional($parameter) ? ' = null' : ''); + } + return $signatures; + } + + /** + * The SPL library has problems with the + * Reflection library. In particular, you can + * get extra characters in parameter names :(. + * @param string $name Parameter name. + * @return string Cleaner name. + * @access private + */ + function _suppressSpurious($name) { + return str_replace(array('[', ']', ' '), '', $name); + } + + /** + * Test of a reflection parameter being optional + * that works with early versions of PHP5. + * @param reflectionParameter $parameter Is this optional. + * @return boolean True if optional. + * @access private + */ + function _isOptional($parameter) { + if (method_exists($parameter, 'isOptional')) { + return $parameter->isOptional(); + } + return false; + } + } +?>
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