add python connections

1 files changed, 90 insertions, 0 deletions

diff --git a/lib/python/connections.h b/lib/python/connections.h
new file mode 100644
index 00000000..9b4abdd2
--- /dev/null
+++ b/lib/python/connections.h
@@ -0,0 +1,90 @@
+#ifndef __lib_python_connections_h
+#define __lib_python_connections_h
+
+#include <libsig_comp.h>
+
+		/* avoid warnigs :) */
+#include <features.h>
+#undef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE 200112L
+#include <Python.h>
+#include <lib/python/python.h>
+
+class PSignal
+{
+public:
+	PyObject *m_list;
+public:
+	PSignal()
+	{
+		m_list = PyList_New(0);
+		Py_INCREF(m_list);
+	}
+	~PSignal()
+	{
+		Py_DECREF(m_list);
+	}
+	
+	void callPython(PyObject *tuple)
+	{
+		int size = PyList_Size(m_list);
+		int i;
+		for (i=0; i<size; ++i)
+		{
+			PyObject *b = PyList_GetItem(m_list, i);
+			ePython::call(b, tuple);
+		}
+	}
+	
+	
+	PyObject *get() { Py_INCREF(m_list); return m_list; }
+};
+
+inline PyObject *PyFrom(int v)
+{
+	return PyInt_FromLong(v);
+}
+
+template <class R>
+class PSignal0: public PSignal, public Signal0<R>
+{
+public:
+	R operator()()
+	{
+		PyObject *pArgs = PyTuple_New(0);
+		callPython(pArgs);
+		Py_DECREF(pArgs);
+		return Signal0<R>::operator()();
+	}
+};
+
+template <class R, class V0>
+class PSignal1: public PSignal, public Signal1<R,V0>
+{
+public:
+	R operator()(V0 a0)
+	{
+		PyObject *pArgs = PyTuple_New(1);
+		PyTuple_SetItem(pArgs, 0, PyFrom(a0));
+		callPython(pArgs);
+		Py_DECREF(pArgs);
+		return Signal1<R,V0>::operator()(a0);
+	}
+};
+
+template <class R, class V0, class V1>
+class PSignal2: public PSignal, public Signal2<R,V0,V1>
+{
+public:
+	R operator()(V0 a0, V1 a1)
+	{
+		PyObject *pArgs = PyTuple_New(2);
+		PyTuple_SetItem(pArgs, 0, PyFrom(a0));
+		PyTuple_SetItem(pArgs, 1, PyFrom(a1));
+		callPython(pArgs);
+		Py_DECREF(pArgs);
+		return Signal2<R,V0,V1>::operator()(a0, a1);
+	}
+};
+
+#endif