1 files changed, 121 insertions, 0 deletions
diff --git a/src/callable.h b/src/callable.h
new file mode 100644
index 0000000..1b761ae
--- /dev/null
+++ b/src/callable.h
@@ -0,0 +1,121 @@
+/**
+ *  Callable.h
+ *
+ *  Object represents a callable function or method that is defined with the CPP 
+ *  API.
+ *
+ *  @author Emiel Bruijntjes <emiel.bruijntjes@copernica.com>
+ *  @copyright 2013 Copernica BV
+ */
+
+/**
+ *  Forward definitions
+ */
+struct _zend_function_entry;
+struct _zend_internal_function_info;
+ 
+/**
+ *  Set up namespace
+ */
+namespace Php {
+
+/** 
+ *  Class definition
+ */
+class Callable
+{
+public:
+    /**
+     *  Constructor
+     *  @param  name        Function or method name
+     *  @param  arguments   Information about the arguments
+     */
+    Callable(const char *name, const Arguments &arguments = {}) : _ptr(this, name)
+    {
+        // construct vector for arguments
+        _argc = arguments.size();
+        _argv = new zend_arg_info[_argc+1];
+        
+        // counter
+        int i=1;
+        
+        // loop through the arguments
+        for (auto it = arguments.begin(); it != arguments.end(); it++)
+        {
+            // fill the arg info
+            it->fill(&_argv[i++]);
+        }
+        
+        // @todo find out number of required arguments
+        _required = _argc;
+    }
+
+    /**
+     *  Destructor
+     */
+    virtual ~Callable()
+    {
+        delete[] _argv;
+    }
+    
+    /**
+     *  Method that gets called every time the function is executed
+     *  @param  params      The parameters that were passed
+     *  @return Variable    Return value
+     */
+    virtual Value invoke(Parameters &params) = 0;
+    
+    /**
+     *  Fill a function entry
+     *  @param  entry       Entry to be filled
+     *  @param  classname   Optional class name
+     *  @param  flags       Access flags
+     */
+    void initialize(struct _zend_function_entry *entry, const char *classname = nullptr, int flags = 0) const;
+
+    /**
+     *  Fill function info
+     *  @param  info        Info object to be filled
+     *  @param  classname   Optional class name
+     */
+    void initialize(struct _zend_internal_function_info *info, const char *classname = nullptr) const;
+
+
+protected:
+    /**
+     *  Hidden pointer to the name and the function
+     *  @var    HiddenPointer
+     */
+    HiddenPointer<Callable> _ptr;
+
+    /**
+     *  Suggestion for the return type
+     *  @var    Type
+     */
+    Type _return = nullType;
+
+    /**
+     *  Required number of arguments
+     *  @var    integer
+     */
+    int _required = 0;
+
+    /**
+     *  Total number of arguments
+     *  @var    integer
+     */
+    int _argc = 0;
+
+    /**
+     *  The arguments
+     *  @var zend_arg_info[]
+     */
+    struct _zend_arg_info *_argv = nullptr;
+
+};
+
+/**
+ *  End of namespace
+ */
+}
+