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+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category Zend
+ * @package Zend_Server
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+/**
+ * Zend_Server_Reflection_Node
+ */
+
+/**
+ * Zend_Server_Reflection_Parameter
+ */
+
+/**
+ * Zend_Server_Reflection_Prototype
+ */
+
+/**
+ * Function/Method Reflection
+ *
+ * Decorates a ReflectionFunction. Allows setting and retrieving an alternate
+ * 'service' name (i.e., the name to be used when calling via a service),
+ * setting and retrieving the description (originally set using the docblock
+ * contents), retrieving the callback and callback type, retrieving additional
+ * method invocation arguments, and retrieving the
+ * method {@link Zend_Server_Reflection_Prototype prototypes}.
+ *
+ * @category Zend
+ * @package Zend_Server
+ * @subpackage Reflection
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id$
+ */
+abstract class Zend_Server_Reflection_Function_Abstract
+{
+ /**
+ * @var ReflectionFunction
+ */
+ protected $_reflection;
+
+ /**
+ * Additional arguments to pass to method on invocation
+ * @var array
+ */
+ protected $_argv = array();
+
+ /**
+ * Used to store extra configuration for the method (typically done by the
+ * server class, e.g., to indicate whether or not to instantiate a class).
+ * Associative array; access is as properties via {@link __get()} and
+ * {@link __set()}
+ * @var array
+ */
+ protected $_config = array();
+
+ /**
+ * Declaring class (needed for when serialization occurs)
+ * @var string
+ */
+ protected $_class;
+
+ /**
+ * Function/method description
+ * @var string
+ */
+ protected $_description = '';
+
+ /**
+ * Namespace with which to prefix function/method name
+ * @var string
+ */
+ protected $_namespace;
+
+ /**
+ * Prototypes
+ * @var array
+ */
+ protected $_prototypes = array();
+
+ private $_return;
+ private $_returnDesc;
+ private $_paramDesc;
+ private $_sigParams;
+ private $_sigParamsDepth;
+
+ /**
+ * Constructor
+ *
+ * @param ReflectionFunction $r
+ */
+ public function __construct(Reflector $r, $namespace = null, $argv = array())
+ {
+ // In PHP 5.1.x, ReflectionMethod extends ReflectionFunction. In 5.2.x,
+ // both extend ReflectionFunctionAbstract. So, we can't do normal type
+ // hinting in the prototype, but instead need to do some explicit
+ // testing here.
+ if ((!$r instanceof ReflectionFunction)
+ && (!$r instanceof ReflectionMethod)) {
+ throw new Zend_Server_Reflection_Exception('Invalid reflection class');
+ }
+ $this->_reflection = $r;
+
+ // Determine namespace
+ if (null !== $namespace){
+ $this->setNamespace($namespace);
+ }
+
+ // Determine arguments
+ if (is_array($argv)) {
+ $this->_argv = $argv;
+ }
+
+ // If method call, need to store some info on the class
+ if ($r instanceof ReflectionMethod) {
+ $this->_class = $r->getDeclaringClass()->getName();
+ }
+
+ // Perform some introspection
+ $this->_reflect();
+ }
+
+ /**
+ * Create signature node tree
+ *
+ * Recursive method to build the signature node tree. Increments through
+ * each array in {@link $_sigParams}, adding every value of the next level
+ * to the current value (unless the current value is null).
+ *
+ * @param Zend_Server_Reflection_Node $parent
+ * @param int $level
+ * @return void
+ */
+ protected function _addTree(Zend_Server_Reflection_Node $parent, $level = 0)
+ {
+ if ($level >= $this->_sigParamsDepth) {
+ return;
+ }
+
+ foreach ($this->_sigParams[$level] as $value) {
+ $node = new Zend_Server_Reflection_Node($value, $parent);
+ if ((null !== $value) && ($this->_sigParamsDepth > $level + 1)) {
+ $this->_addTree($node, $level + 1);
+ }
+ }
+ }
+
+ /**
+ * Build the signature tree
+ *
+ * Builds a signature tree starting at the return values and descending
+ * through each method argument. Returns an array of
+ * {@link Zend_Server_Reflection_Node}s.
+ *
+ * @return array
+ */
+ protected function _buildTree()
+ {
+ $returnTree = array();
+ foreach ((array) $this->_return as $value) {
+ $node = new Zend_Server_Reflection_Node($value);
+ $this->_addTree($node);
+ $returnTree[] = $node;
+ }
+
+ return $returnTree;
+ }
+
+ /**
+ * Build method signatures
+ *
+ * Builds method signatures using the array of return types and the array of
+ * parameters types
+ *
+ * @param array $return Array of return types
+ * @param string $returnDesc Return value description
+ * @param array $params Array of arguments (each an array of types)
+ * @param array $paramDesc Array of parameter descriptions
+ * @return array
+ */
+ protected function _buildSignatures($return, $returnDesc, $paramTypes, $paramDesc)
+ {
+ $this->_return = $return;
+ $this->_returnDesc = $returnDesc;
+ $this->_paramDesc = $paramDesc;
+ $this->_sigParams = $paramTypes;
+ $this->_sigParamsDepth = count($paramTypes);
+ $signatureTrees = $this->_buildTree();
+ $signatures = array();
+
+ $endPoints = array();
+ foreach ($signatureTrees as $root) {
+ $tmp = $root->getEndPoints();
+ if (empty($tmp)) {
+ $endPoints = array_merge($endPoints, array($root));
+ } else {
+ $endPoints = array_merge($endPoints, $tmp);
+ }
+ }
+
+ foreach ($endPoints as $node) {
+ if (!$node instanceof Zend_Server_Reflection_Node) {
+ continue;
+ }
+
+ $signature = array();
+ do {
+ array_unshift($signature, $node->getValue());
+ $node = $node->getParent();
+ } while ($node instanceof Zend_Server_Reflection_Node);
+
+ $signatures[] = $signature;
+ }
+
+ // Build prototypes
+ $params = $this->_reflection->getParameters();
+ foreach ($signatures as $signature) {
+ $return = new Zend_Server_Reflection_ReturnValue(array_shift($signature), $this->_returnDesc);
+ $tmp = array();
+ foreach ($signature as $key => $type) {
+ $param = new Zend_Server_Reflection_Parameter($params[$key], $type, (isset($this->_paramDesc[$key]) ? $this->_paramDesc[$key] : null));
+ $param->setPosition($key);
+ $tmp[] = $param;
+ }
+
+ $this->_prototypes[] = new Zend_Server_Reflection_Prototype($return, $tmp);
+ }
+ }
+
+ /**
+ * Use code reflection to create method signatures
+ *
+ * Determines the method help/description text from the function DocBlock
+ * comment. Determines method signatures using a combination of
+ * ReflectionFunction and parsing of DocBlock @param and @return values.
+ *
+ * @param ReflectionFunction $function
+ * @return array
+ */
+ protected function _reflect()
+ {
+ $function = $this->_reflection;
+ $helpText = '';
+ $signatures = array();
+ $returnDesc = '';
+ $paramCount = $function->getNumberOfParameters();
+ $paramCountRequired = $function->getNumberOfRequiredParameters();
+ $parameters = $function->getParameters();
+ $docBlock = $function->getDocComment();
+
+ if (!empty($docBlock)) {
+ // Get help text
+ if (preg_match(':/\*\*\s*\r?\n\s*\*\s(.*?)\r?\n\s*\*(\s@|/):s', $docBlock, $matches))
+ {
+ $helpText = $matches[1];
+ $helpText = preg_replace('/(^\s*\*\s)/m', '', $helpText);
+ $helpText = preg_replace('/\r?\n\s*\*\s*(\r?\n)*/s', "\n", $helpText);
+ $helpText = trim($helpText);
+ }
+
+ // Get return type(s) and description
+ $return = 'void';
+ if (preg_match('/@return\s+(\S+)/', $docBlock, $matches)) {
+ $return = explode('|', $matches[1]);
+ if (preg_match('/@return\s+\S+\s+(.*?)(@|\*\/)/s', $docBlock, $matches))
+ {
+ $value = $matches[1];
+ $value = preg_replace('/\s?\*\s/m', '', $value);
+ $value = preg_replace('/\s{2,}/', ' ', $value);
+ $returnDesc = trim($value);
+ }
+ }
+
+ // Get param types and description
+ if (preg_match_all('/@param\s+([^\s]+)/m', $docBlock, $matches)) {
+ $paramTypesTmp = $matches[1];
+ if (preg_match_all('/@param\s+\S+\s+(\$\S+)\s+(.*?)(?=@|\*\/)/s', $docBlock, $matches))
+ {
+ $paramDesc = $matches[2];
+ foreach ($paramDesc as $key => $value) {
+ $value = preg_replace('/\s?\*\s/m', '', $value);
+ $value = preg_replace('/\s{2,}/', ' ', $value);
+ $paramDesc[$key] = trim($value);
+ }
+ }
+ }
+ } else {
+ $helpText = $function->getName();
+ $return = 'void';
+
+ // Try and auto-determine type, based on reflection
+ $paramTypesTmp = array();
+ foreach ($parameters as $i => $param) {
+ $paramType = 'mixed';
+ if ($param->isArray()) {
+ $paramType = 'array';
+ }
+ $paramTypesTmp[$i] = $paramType;
+ }
+ }
+
+ // Set method description
+ $this->setDescription($helpText);
+
+ // Get all param types as arrays
+ if (!isset($paramTypesTmp) && (0 < $paramCount)) {
+ $paramTypesTmp = array_fill(0, $paramCount, 'mixed');
+ } elseif (!isset($paramTypesTmp)) {
+ $paramTypesTmp = array();
+ } elseif (count($paramTypesTmp) < $paramCount) {
+ $start = $paramCount - count($paramTypesTmp);
+ for ($i = $start; $i < $paramCount; ++$i) {
+ $paramTypesTmp[$i] = 'mixed';
+ }
+ }
+
+ // Get all param descriptions as arrays
+ if (!isset($paramDesc) && (0 < $paramCount)) {
+ $paramDesc = array_fill(0, $paramCount, '');
+ } elseif (!isset($paramDesc)) {
+ $paramDesc = array();
+ } elseif (count($paramDesc) < $paramCount) {
+ $start = $paramCount - count($paramDesc);
+ for ($i = $start; $i < $paramCount; ++$i) {
+ $paramDesc[$i] = '';
+ }
+ }
+
+ if (count($paramTypesTmp) != $paramCount) {
+ throw new Zend_Server_Reflection_Exception(
+ 'Variable number of arguments is not supported for services (except optional parameters). '
+ . 'Number of function arguments in ' . $function->getDeclaringClass()->getName() . '::'
+ . $function->getName() . '() must correspond to actual number of arguments described in the '
+ . 'docblock.');
+ }
+
+ $paramTypes = array();
+ foreach ($paramTypesTmp as $i => $param) {
+ $tmp = explode('|', $param);
+ if ($parameters[$i]->isOptional()) {
+ array_unshift($tmp, null);
+ }
+ $paramTypes[] = $tmp;
+ }
+
+ $this->_buildSignatures($return, $returnDesc, $paramTypes, $paramDesc);
+ }
+
+
+ /**
+ * Proxy reflection calls
+ *
+ * @param string $method
+ * @param array $args
+ * @return mixed
+ */
+ public function __call($method, $args)
+ {
+ if (method_exists($this->_reflection, $method)) {
+ return call_user_func_array(array($this->_reflection, $method), $args);
+ }
+
+ throw new Zend_Server_Reflection_Exception('Invalid reflection method ("' .$method. '")');
+ }
+
+ /**
+ * Retrieve configuration parameters
+ *
+ * Values are retrieved by key from {@link $_config}. Returns null if no
+ * value found.
+ *
+ * @param string $key
+ * @return mixed
+ */
+ public function __get($key)
+ {
+ if (isset($this->_config[$key])) {
+ return $this->_config[$key];
+ }
+
+ return null;
+ }
+
+ /**
+ * Set configuration parameters
+ *
+ * Values are stored by $key in {@link $_config}.
+ *
+ * @param string $key
+ * @param mixed $value
+ * @return void
+ */
+ public function __set($key, $value)
+ {
+ $this->_config[$key] = $value;
+ }
+
+ /**
+ * Set method's namespace
+ *
+ * @param string $namespace
+ * @return void
+ */
+ public function setNamespace($namespace)
+ {
+ if (empty($namespace)) {
+ $this->_namespace = '';
+ return;
+ }
+
+ if (!is_string($namespace) || !preg_match('/[a-z0-9_\.]+/i', $namespace)) {
+ throw new Zend_Server_Reflection_Exception('Invalid namespace');
+ }
+
+ $this->_namespace = $namespace;
+ }
+
+ /**
+ * Return method's namespace
+ *
+ * @return string
+ */
+ public function getNamespace()
+ {
+ return $this->_namespace;
+ }
+
+ /**
+ * Set the description
+ *
+ * @param string $string
+ * @return void
+ */
+ public function setDescription($string)
+ {
+ if (!is_string($string)) {
+ throw new Zend_Server_Reflection_Exception('Invalid description');
+ }
+
+ $this->_description = $string;
+ }
+
+ /**
+ * Retrieve the description
+ *
+ * @return void
+ */
+ public function getDescription()
+ {
+ return $this->_description;
+ }
+
+ /**
+ * Retrieve all prototypes as array of
+ * {@link Zend_Server_Reflection_Prototype Zend_Server_Reflection_Prototypes}
+ *
+ * @return array
+ */
+ public function getPrototypes()
+ {
+ return $this->_prototypes;
+ }
+
+ /**
+ * Retrieve additional invocation arguments
+ *
+ * @return array
+ */
+ public function getInvokeArguments()
+ {
+ return $this->_argv;
+ }
+
+ /**
+ * Wakeup from serialization
+ *
+ * Reflection needs explicit instantiation to work correctly. Re-instantiate
+ * reflection object on wakeup.
+ *
+ * @return void
+ */
+ public function __wakeup()
+ {
+ if ($this->_reflection instanceof ReflectionMethod) {
+ $class = new ReflectionClass($this->_class);
+ $this->_reflection = new ReflectionMethod($class->newInstance(), $this->getName());
+ } else {
+ $this->_reflection = new ReflectionFunction($this->getName());
+ }
+ }
+}
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