From 2351a7009b83beadb12c75210278684a5b08b362 Mon Sep 17 00:00:00 2001
From: Renato Filho <renato.filho@openbossa.org>
Date: Mon, 10 May 2010 11:44:11 -0300
Subject: Created userdata on Python type object. User type userdata to store
 metaobject information.

Reviewer: Marcelo Lira <marcelo.lira@openbossa.org>,
          Luciano Wolf <luciano.wolf@openbossa.org>
---
 libshiboken/basewrapper.cpp | 33 ++++++++++++++++++++++++++++++++-
 libshiboken/basewrapper.h   | 13 +++++++++++++
 2 files changed, 45 insertions(+), 1 deletion(-)

(limited to 'libshiboken')

diff --git a/libshiboken/basewrapper.cpp b/libshiboken/basewrapper.cpp
index dde7a7151..88ea8225f 100644
--- a/libshiboken/basewrapper.cpp
+++ b/libshiboken/basewrapper.cpp
@@ -220,6 +220,21 @@ bool cppObjectIsInvalid(PyObject* wrapper)
     return true;
 }
 
+void setTypeUserData(SbkBaseWrapper* wrapper, void *user_data, DeleteUserDataFunc d_func)
+{
+    SbkBaseWrapperType* ob_type = reinterpret_cast<SbkBaseWrapperType*>(wrapper->ob_type);
+    if (ob_type->user_data)
+        ob_type->d_func(ob_type->user_data);
+
+    ob_type->d_func = d_func;
+    ob_type->user_data = user_data;
+}
+
+void* getTypeUserData(SbkBaseWrapper* wrapper)
+{
+    return reinterpret_cast<SbkBaseWrapperType*>(wrapper->ob_type)->user_data;
+}
+
 void deallocWrapperWithPrivateDtor(PyObject* self)
 {
     if (((SbkBaseWrapper *)self)->weakreflist)
@@ -303,7 +318,9 @@ static void deallocPythonTypes(PyObject* pyObj)
 
     delete[] sbkObj->cptr;
     sbkObj->cptr = 0;
+
     Py_TYPE(pyObj)->tp_free(pyObj);
+
 }
 
 void deallocWrapper(PyObject* pyObj)
@@ -328,6 +345,16 @@ void deallocWrapper(PyObject* pyObj)
     Py_TYPE(pyObj)->tp_free(pyObj);
 }
 
+void SbkBaseWrapperType_dealloc(PyObject* pyObj)
+{
+    SbkBaseWrapperType *sbkType = reinterpret_cast<SbkBaseWrapperType*>(pyObj->ob_type);
+
+    if(sbkType->user_data && sbkType->d_func) {
+        sbkType->d_func(sbkType->user_data);
+        sbkType->user_data = 0;
+    }
+}
+
 static PyObject*
 SbkBaseWrapperType_TpNew(PyTypeObject* metatype, PyObject* args, PyObject* kwds)
 {
@@ -362,17 +389,21 @@ SbkBaseWrapperType_TpNew(PyTypeObject* metatype, PyObject* args, PyObject* kwds)
         newType->cpp_dtor = 0;
         newType->is_multicpp = 1;
     }
+    newType->user_data = 0;
+    newType->d_func = 0;
     newType->is_user_type = 1;
     return reinterpret_cast<PyObject*>(newType);
 }
 
+
+
 PyTypeObject SbkBaseWrapperType_Type = {
     PyObject_HEAD_INIT(0)
     /*ob_size*/             0,
     /*tp_name*/             "Shiboken.BaseWrapperType",
     /*tp_basicsize*/        sizeof(SbkBaseWrapperType),
     /*tp_itemsize*/         0,
-    /*tp_dealloc*/          0,
+    /*tp_dealloc*/          SbkBaseWrapperType_dealloc,
     /*tp_print*/            0,
     /*tp_getattr*/          0,
     /*tp_setattr*/          0,
diff --git a/libshiboken/basewrapper.h b/libshiboken/basewrapper.h
index 168d3f43f..b6a9b7950 100644
--- a/libshiboken/basewrapper.h
+++ b/libshiboken/basewrapper.h
@@ -68,6 +68,9 @@ typedef std::list<TypeDiscoveryFunc> TypeDiscoveryFuncList;
 typedef void* (*ExtendedToCppFunc)(PyObject*);
 typedef bool (*ExtendedIsConvertibleFunc)(PyObject*);
 
+// Used in userdata dealloc function
+typedef void (*DeleteUserDataFunc)(void*);
+
 LIBSHIBOKEN_API PyAPI_DATA(PyTypeObject) SbkBaseWrapperType_Type;
 LIBSHIBOKEN_API PyAPI_DATA(SbkBaseWrapperType) SbkBaseWrapper_Type;
 
@@ -99,6 +102,9 @@ struct LIBSHIBOKEN_API SbkBaseWrapperType
     int is_multicpp:1;
     /// True if this type was definied by the user.
     int is_user_type:1;
+    /// Type user data
+    void *user_data;
+    DeleteUserDataFunc d_func;
 };
 
 struct ParentInfo;
@@ -178,6 +184,13 @@ LIBSHIBOKEN_API void* getCppPointer(PyObject* wrapper, PyTypeObject* desiredType
 */
 LIBSHIBOKEN_API bool setCppPointer(SbkBaseWrapper* wrapper, PyTypeObject* desiredType, void* cptr);
 
+/**
+ *   Get/Set Userdata in type class
+ */
+LIBSHIBOKEN_API void setTypeUserData(SbkBaseWrapper* wrapper, void* user_data, DeleteUserDataFunc d_func);
+LIBSHIBOKEN_API void* getTypeUserData(SbkBaseWrapper* wrapper);
+
+
 /**
  * Shiboken_TypeCheck macro performs a type check using the values registered with SbkType<>() template.
  */
-- 
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