- add SWIG_VOID, add tyemap_output_ptr

diff --git a/lib/python/enigma_python.i b/lib/python/enigma_python.i
index 3eb22d5597836a9956dca4416c6a49546c509611..79f9296e3251e1abac39ac38ae9fe929561a1af4 100644 (file)
--- a/lib/python/enigma_python.i
+++ b/lib/python/enigma_python.i
@@ -83,6 +83,18 @@ extern PSignal1<void,int> &keyPressedSignal();
 %feature("ref")   iObject "$this->AddRef(); eDebug(\"AddRef (%s:%d)!\", __FILE__, __LINE__); "
 %feature("unref") iObject "$this->Release(); eDebug(\"Release! %s:%d\", __FILE__, __LINE__); "
 
+/* this magic allows smartpointer to be used as OUTPUT arguments, i.e. call-by-reference-styled return value. */
+
+%define %typemap_output_ptr(Type)
+ %typemap(in,numinputs=0) Type *OUTPUT ($*1_ltype temp),
+              Type &OUTPUT ($*1_ltype temp)
+   "$1 = new Type;";
+ %fragment("t_out_helper"{Type},"header",
+     fragment="t_output_helper") {}
+ %typemap(argout,fragment="t_out_helper"{Type}) Type *OUTPUT, Type &OUTPUT
+   "$result = t_output_helper($result, (SWIG_NewPointerObj((void*)($1), $1_descriptor, 1)));"
+%enddef
+
 %newobject eDebugClassPtr::operator->;
 
 #define DEBUG

diff --git a/lib/python/swig.h b/lib/python/swig.h
index b5cb77af8d8c2fa09ff8c421bac8d0534c64f245..ae0bfd07934a6f2b774a4106f2cf1b588b58f8ce 100644 (file)
--- a/lib/python/swig.h
+++ b/lib/python/swig.h
@@ -4,7 +4,8 @@
 #ifdef SWIG
 #define TEMPLATE_TYPEDEF(x, y) \
 %template(y) x; \
-typedef x y
+typedef x y; \
+%typemap_output_ptr(x);
 #else
 #define TEMPLATE_TYPEDEF(x, y) typedef x y
 #endif
@@ -12,9 +13,11 @@ typedef x y
 #ifdef SWIG
 #define SWIG_INPUT INPUT
 #define SWIG_OUTPUT OUTPUT
+#define SWIG_VOID(x) void
 #else
 #define SWIG_INPUT
 #define SWIG_OUTPUT
+#define SWIG_VOID(x) x
 #endif
 
 #endif