added Class::implements() method to allow classes that implement interfaces (request from issue #52)

3 files changed, 23 insertions, 7 deletions

diff --git a/src/classbase.cpp b/src/classbase.cpp
index 037661e..c753c34 100644
--- a/src/classbase.cpp
+++ b/src/classbase.cpp
@@ -112,6 +112,12 @@ void ClassBase::property(const char *name, const getter_callback_0 &getter, cons
 void ClassBase::property(const char *name, const getter_callback_1 &getter, const setter_callback_1 &setter) { _impl->property(name, getter, setter); }
 
 /**
+ *  Add an interface
+ *  @param  interface       Interface object
+ */
+void ClassBase::implements(const ClassBase &interface) { _impl->implements(interface._impl); }
+
+/**
  *  End namespace
  */
 }
diff --git a/src/classimpl.cpp b/src/classimpl.cpp
index 1ee7b0b..f63ddec 100644
--- a/src/classimpl.cpp
+++ b/src/classimpl.cpp
@@ -1399,12 +1399,12 @@ void ClassImpl::initialize(ClassBase *base, const std::string &prefix TSRMLS_DC)
     // register the class
     _entry = zend_register_internal_class(&entry TSRMLS_CC);
     
-//    // register the classes
-//    for (auto &interface : _interfaces)
-//    {
-//        // register this interface
-//        zend_class_implements(_entry, 1, interface->_entry);
-//    }
+    // register the classes
+    for (auto &interface : _interfaces)
+    {
+        // register this interface
+        zend_class_implements(_entry, 1, interface->_entry);
+    }
     
     // allocate doc comment to contain an empty string + a hidden pointer
     if (!_comment)
diff --git a/src/classimpl.h b/src/classimpl.h
index bfb4532..03dc548 100644
--- a/src/classimpl.h
+++ b/src/classimpl.h
@@ -73,6 +73,12 @@ private:
      */
     std::map<std::string,std::shared_ptr<Property>> _properties;
 
+    /**
+     *  Interfaces that are implemented
+     *  @var    std::list
+     */
+    std::list<std::shared_ptr<ClassImpl>> _interfaces;
+
 
     /**
      *  Retrieve an array of zend_function_entry objects that hold the 
@@ -395,7 +401,11 @@ public:
     void property(const char *name, const getter_callback_0 &getter, const setter_callback_1 &setter)   { _properties[name] = std::make_shared<Property>(getter,setter); }
     void property(const char *name, const getter_callback_1 &getter, const setter_callback_1 &setter)   { _properties[name] = std::make_shared<Property>(getter,setter); }
     
-
+    /**
+     *  Add an interface that is implemented
+     *  @param  interface   The interface that is implemented
+     */
+    void implements(const std::shared_ptr<ClassImpl> &interface) { _interfaces.push_back(interface); }
 
 
 };