Add SWIG macros

bindings/Makefile.am

@@ -9,7 +9,7 @@ AM_CPPFLAGS = @AM_CPPFLAGS@ -I$(top_srcdir)/include -I$(top_srcdir)/bindings  \
 AM_CFLAGS = @AM_CPPFLAGS@ -fno-strict-aliasing
 AM_CXXFLAGS = -O2
 
-SWGFILES = hamlib.swg ignore.swg rig.swg rotator.swg amplifier.swg
+SWGFILES = hamlib.swg ignore.swg rig.swg rotator.swg amplifier.swg macros.swg
 
 SWGDEP = \
 	$(top_srcdir)/include/hamlib/rig.h \

bindings/macros.swg

@@ -0,0 +1,92 @@
+/*
+Common SWIG macros
+*/
+
+/*
+ * Macro GET_TOKEN
+ *
+ * function_prefix:
+ * the first part of the function name (eg. one of: amp_ rig_ rot_)
+ *
+ * function_name:
+ * the name that will be seen in the bindings and that creates a valid Hamlib function
+ * name when appended to the function_prefix
+ *
+ * class_pointer:
+ * the pointer to the instance of the class (eg. one of self->amp self->rig self->rot)
+ */
+%define GET_TOKEN(function_prefix, function_name, class_pointer)
+PyObject * ##function_name(hamlib_token_t token)
+{
+	int value;
+
+	self->error_status = ##function_prefix ##function_name(##class_pointer, token, &value);
+	if (self->error_status != RIG_OK)
+		return Py_None;
+
+	return PyLong_FromLong(value);
+}
+%enddef
+
+/*
+ * Macro GET_VALUE_T
+ *
+ * function_prefix:
+ * the first part of the function name (eg. one of: amp_ rig_ rot_)
+ *
+ * function_name:
+ * the name that creates a valid Hamlib function name when appended to the
+ * function_prefix
+ *
+ * class_pointer:
+ * the pointer to the instance of the class (eg. one of self->amp self->rig self->rot)
+ *
+ * level_prefix:
+ * the prefix of the macro that checks the datatype (eg. one of AMP_ RIG_ ROT_)
+ */
+%define GET_VALUE_T(function_prefix, function_name, class_pointer, level_prefix)
+PyObject * ##function_name(hamlib_token_t token)
+{
+	value_t value;
+
+	self->error_status = ##function_prefix ##function_name(##class_pointer, token, &value);
+	if (self->error_status != RIG_OK)
+		return Py_None;
+
+#if defined(##level_prefix LEVEL_IS_FLOAT)
+	if (##level_prefix LEVEL_IS_FLOAT(token))
+		return PyFloat_FromDouble(value.f);
+#endif
+
+#if defined(##level_prefix LEVEL_IS_STRING)
+	if (##level_prefix LEVEL_IS_STRING(token))
+		return PyUnicode_FromString(value.s);
+#endif
+
+	return PyLong_FromLong(value.i);
+}
+%enddef
+
+/*
+ * Macro ROT_GET_LONG
+ *
+ * function_name:
+ * the name that will be seen in the bindings when appended to get_
+ * and that creates a valid Hamlib function when appended to rot_get_
+ * eg. ROT_GET_LONG(func) creates Rot.get_func() that calls rot_get_func()
+ */
+%define ROT_GET_LONG(function_name)
+	GET_TOKEN(rot_, get_ ##function_name, self->rot)
+%enddef
+
+/*
+* Macro ROT_GET_VALUE_T
+*
+* function_name:
+* the name that will be seen in the bindings when appended to get_
+* and that creates a valid Hamlib function when appended to rot_get_
+* eg. ROT_GET_VALUE_T(level) creates Rot.get_level() that calls rot_get_level()
+*/
+%define ROT_GET_VALUE_T(function_name)
+	GET_VALUE_T(rot_, get_ ##function_name, self->rot, ROT_)
+%enddef