Python code coverage for Mac/Modules/drag/dragsupport.py

#	count	content
1	n/a	# This script generates a Python interface for an Apple Macintosh Manager.
2	n/a	# It uses the "bgen" package to generate C code.
3	n/a	# The function specifications are generated by scanning the mamager's header file,
4	n/a	# using the "scantools" package (customized for this particular manager).
5	n/a
6	n/a	import string
7	n/a
8	n/a	# Declarations that change for each manager
9	n/a	MACHEADERFILE = 'Drag.h' # The Apple header file
10	n/a	MODNAME = '_Drag' # The name of the module
11	n/a	OBJECTNAME = 'DragObj' # The basic name of the objects used here
12	n/a
13	n/a	# The following is usually unchanged but may still require tuning
14	n/a	MODPREFIX = 'Drag' # The prefix for module-wide routines
15	n/a	OBJECTTYPE = 'DragRef' # The C type used to represent them
16	n/a	OBJECTPREFIX = MODPREFIX + 'Obj' # The prefix for object methods
17	n/a	INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner
18	n/a	OUTPUTFILE = MODNAME + "module.c" # The file generated by this program
19	n/a
20	n/a	from macsupport import *
21	n/a
22	n/a	# Create the type objects
23	n/a
24	n/a	DragRef = OpaqueByValueType(OBJECTTYPE, OBJECTPREFIX)
25	n/a	DragItemRef = Type("ItemReference", "l")
26	n/a	# Old names
27	n/a	DragReference = DragRef
28	n/a	ItemReference = DragItemRef
29	n/a
30	n/a	PixMapHandle = OpaqueByValueType("PixMapHandle", "ResObj")
31	n/a	RgnHandle = OpaqueByValueType("RgnHandle", "ResObj")
32	n/a	AEDesc = OpaqueType('AEDesc')
33	n/a	AEDesc_ptr = AEDesc
34	n/a	RGBColor = OpaqueType("RGBColor", "QdRGB")
35	n/a
36	n/a	FlavorType = OSTypeType("FlavorType")
37	n/a	DragAttributes = Type("DragAttributes", "l")
38	n/a	DragBehaviors = Type("DragBehaviors", "l")
39	n/a	DragImageFlags = Type("DragImageFlags", "l")
40	n/a	DragImageTranslucency = Type("DragImageTranslucency", "l")
41	n/a	DragRegionMessage = Type("DragRegionMessage", "h")
42	n/a	ZoomAcceleration = Type("ZoomAcceleration", "h")
43	n/a	FlavorFlags = Type("FlavorFlags", "l")
44	n/a	DragTrackingMessage = Type("DragTrackingMessage", "h")
45	n/a
46	n/a	includestuff = includestuff + """
47	n/a	#include <Carbon/Carbon.h>
48	n/a
49	n/a	/* Callback glue routines */
50	n/a	DragTrackingHandlerUPP dragglue_TrackingHandlerUPP;
51	n/a	DragReceiveHandlerUPP dragglue_ReceiveHandlerUPP;
52	n/a	DragSendDataUPP dragglue_SendDataUPP;
53	n/a	#if 0
54	n/a	DragInputUPP dragglue_InputUPP;
55	n/a	DragDrawingUPP dragglue_DrawingUPP;
56	n/a	#endif
57	n/a
58	n/a	#ifdef USE_TOOLBOX_OBJECT_GLUE
59	n/a	extern PyObject *_DragObj_New(DragRef);
60	n/a	extern int _DragObj_Convert(PyObject , DragRef );
61	n/a
62	n/a	#define DragObj_New _DragObj_New
63	n/a	#define DragObj_Convert _DragObj_Convert
64	n/a	#endif
65	n/a	"""
66	n/a
67	n/a	finalstuff = finalstuff + """
68	n/a	static pascal OSErr
69	n/a	dragglue_TrackingHandler(DragTrackingMessage theMessage, WindowPtr theWindow,
70	n/a	void *handlerRefCon, DragReference theDrag)
71	n/a	{
72	n/a	PyObject args, rv;
73	n/a	int i;
74	n/a
75	n/a	args = Py_BuildValue("hO&O&", theMessage, DragObj_New, theDrag, WinObj_WhichWindow, theWindow);
76	n/a	if ( args == NULL )
77	n/a	return -1;
78	n/a	rv = PyEval_CallObject((PyObject *)handlerRefCon, args);
79	n/a	Py_DECREF(args);
80	n/a	if ( rv == NULL ) {
81	n/a	PySys_WriteStderr("Drag: Exception in TrackingHandler\\n");
82	n/a	PyErr_Print();
83	n/a	return -1;
84	n/a	}
85	n/a	i = -1;
86	n/a	if ( rv == Py_None )
87	n/a	i = 0;
88	n/a	else
89	n/a	PyArg_Parse(rv, "l", &i);
90	n/a	Py_DECREF(rv);
91	n/a	return i;
92	n/a	}
93	n/a
94	n/a	static pascal OSErr
95	n/a	dragglue_ReceiveHandler(WindowPtr theWindow, void *handlerRefCon,
96	n/a	DragReference theDrag)
97	n/a	{
98	n/a	PyObject args, rv;
99	n/a	int i;
100	n/a
101	n/a	args = Py_BuildValue("O&O&", DragObj_New, theDrag, WinObj_WhichWindow, theWindow);
102	n/a	if ( args == NULL )
103	n/a	return -1;
104	n/a	rv = PyEval_CallObject((PyObject *)handlerRefCon, args);
105	n/a	Py_DECREF(args);
106	n/a	if ( rv == NULL ) {
107	n/a	PySys_WriteStderr("Drag: Exception in ReceiveHandler\\n");
108	n/a	PyErr_Print();
109	n/a	return -1;
110	n/a	}
111	n/a	i = -1;
112	n/a	if ( rv == Py_None )
113	n/a	i = 0;
114	n/a	else
115	n/a	PyArg_Parse(rv, "l", &i);
116	n/a	Py_DECREF(rv);
117	n/a	return i;
118	n/a	}
119	n/a
120	n/a	static pascal OSErr
121	n/a	dragglue_SendData(FlavorType theType, void *dragSendRefCon,
122	n/a	ItemReference theItem, DragReference theDrag)
123	n/a	{
124	n/a	DragObjObject self = (DragObjObject )dragSendRefCon;
125	n/a	PyObject args, rv;
126	n/a	int i;
127	n/a
128	n/a	if ( self->sendproc == NULL )
129	n/a	return -1;
130	n/a	args = Py_BuildValue("O&l", PyMac_BuildOSType, theType, theItem);
131	n/a	if ( args == NULL )
132	n/a	return -1;
133	n/a	rv = PyEval_CallObject(self->sendproc, args);
134	n/a	Py_DECREF(args);
135	n/a	if ( rv == NULL ) {
136	n/a	PySys_WriteStderr("Drag: Exception in SendDataHandler\\n");
137	n/a	PyErr_Print();
138	n/a	return -1;
139	n/a	}
140	n/a	i = -1;
141	n/a	if ( rv == Py_None )
142	n/a	i = 0;
143	n/a	else
144	n/a	PyArg_Parse(rv, "l", &i);
145	n/a	Py_DECREF(rv);
146	n/a	return i;
147	n/a	}
148	n/a
149	n/a	#if 0
150	n/a	static pascal OSErr
151	n/a	dragglue_Input(Point mouse, short modifiers,
152	n/a	void *dragSendRefCon, DragReference theDrag)
153	n/a	{
154	n/a	return 0;
155	n/a	}
156	n/a
157	n/a	static pascal OSErr
158	n/a	dragglue_Drawing(xxxx
159	n/a	void *dragSendRefCon, DragReference theDrag)
160	n/a	{
161	n/a	return 0;
162	n/a	}
163	n/a	#endif
164	n/a
165	n/a	"""
166	n/a
167	n/a	initstuff = initstuff + """
168	n/a	PyMac_INIT_TOOLBOX_OBJECT_NEW(DragRef, DragObj_New);
169	n/a	PyMac_INIT_TOOLBOX_OBJECT_CONVERT(DragRef, DragObj_Convert);
170	n/a	"""
171	n/a
172	n/a	variablestuff = """
173	n/a	dragglue_TrackingHandlerUPP = NewDragTrackingHandlerUPP(dragglue_TrackingHandler);
174	n/a	dragglue_ReceiveHandlerUPP = NewDragReceiveHandlerUPP(dragglue_ReceiveHandler);
175	n/a	dragglue_SendDataUPP = NewDragSendDataUPP(dragglue_SendData);
176	n/a	#if 0
177	n/a	dragglue_InputUPP = NewDragInputUPP(dragglue_Input);
178	n/a	dragglue_DrawingUPP = NewDragDrawingUPP(dragglue_Drawing);
179	n/a	#endif
180	n/a	"""
181	n/a
182	n/a	class MyObjectDefinition(PEP253Mixin, GlobalObjectDefinition):
183	n/a	def outputCheckNewArg(self):
184	n/a	Output("""if (itself == NULL) {
185	n/a	PyErr_SetString(Drag_Error,"Cannot create null Drag");
186	n/a	return NULL;
187	n/a	}""")
188	n/a	def outputFreeIt(self, itselfname):
189	n/a	## Output("DisposeDrag(%s);", itselfname)
190	n/a	Output("Py_XDECREF(self->sendproc);")
191	n/a	## Output("Py_XDECREF(self->inputproc);")
192	n/a	## Output("Py_XDECREF(self->drawingproc);")
193	n/a
194	n/a	def outputStructMembers(self):
195	n/a	GlobalObjectDefinition.outputStructMembers(self)
196	n/a	Output("PyObject *sendproc;")
197	n/a	## Output("PyObject *inputproc;")
198	n/a	## Output("PyObject *drawingproc;")
199	n/a
200	n/a	def outputInitStructMembers(self):
201	n/a	GlobalObjectDefinition.outputInitStructMembers(self)
202	n/a	Output("it->sendproc = NULL;")
203	n/a	## Output("it->inputproc = NULL;")
204	n/a	## Output("it->drawingproc = NULL;")
205	n/a
206	n/a
207	n/a	# Create the generator groups and link them
208	n/a	module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff, variablestuff)
209	n/a	object = MyObjectDefinition(OBJECTNAME, OBJECTPREFIX, OBJECTTYPE)
210	n/a	module.addobject(object)
211	n/a
212	n/a	# Create the generator classes used to populate the lists
213	n/a	Function = OSErrWeakLinkFunctionGenerator
214	n/a	Method = OSErrWeakLinkMethodGenerator
215	n/a
216	n/a	# Create and populate the lists
217	n/a	functions = []
218	n/a	methods = []
219	n/a	execfile(INPUTFILE)
220	n/a
221	n/a	# add the populated lists to the generator groups
222	n/a	for f in functions: module.add(f)
223	n/a	for f in methods: object.add(f)
224	n/a
225	n/a	# Manual generators for the callbacks
226	n/a
227	n/a	installtracking_body = """
228	n/a	PyObject *callback;
229	n/a	WindowPtr theWindow = NULL;
230	n/a	OSErr _err;
231	n/a
232	n/a	if ( !PyArg_ParseTuple(_args, "O\|O&", &callback, WinObj_Convert, &theWindow) )
233	n/a	return NULL;
234	n/a	Py_INCREF(callback); /* Cannot decref later, too bad */
235	n/a	_err = InstallTrackingHandler(dragglue_TrackingHandlerUPP, theWindow, (void *)callback);
236	n/a	if (_err != noErr) return PyMac_Error(_err);
237	n/a	Py_INCREF(Py_None);
238	n/a	_res = Py_None;
239	n/a	return _res;
240	n/a	"""
241	n/a	installtracking = ManualGenerator("InstallTrackingHandler", installtracking_body)
242	n/a	module.add(installtracking)
243	n/a
244	n/a	installreceive_body = """
245	n/a	PyObject *callback;
246	n/a	WindowPtr theWindow = NULL;
247	n/a	OSErr _err;
248	n/a
249	n/a	if ( !PyArg_ParseTuple(_args, "O\|O&", &callback, WinObj_Convert, &theWindow) )
250	n/a	return NULL;
251	n/a	Py_INCREF(callback); /* Cannot decref later, too bad */
252	n/a	_err = InstallReceiveHandler(dragglue_ReceiveHandlerUPP, theWindow, (void *)callback);
253	n/a	if (_err != noErr) return PyMac_Error(_err);
254	n/a	Py_INCREF(Py_None);
255	n/a	_res = Py_None;
256	n/a	return _res;
257	n/a	"""
258	n/a	installreceive = ManualGenerator("InstallReceiveHandler", installreceive_body)
259	n/a	module.add(installreceive)
260	n/a
261	n/a	removetracking_body = """
262	n/a	WindowPtr theWindow = NULL;
263	n/a	OSErr _err;
264	n/a
265	n/a	if ( !PyArg_ParseTuple(_args, "\|O&", WinObj_Convert, &theWindow) )
266	n/a	return NULL;
267	n/a	_err = RemoveTrackingHandler(dragglue_TrackingHandlerUPP, theWindow);
268	n/a	if (_err != noErr) return PyMac_Error(_err);
269	n/a	Py_INCREF(Py_None);
270	n/a	_res = Py_None;
271	n/a	return _res;
272	n/a	"""
273	n/a	removetracking = ManualGenerator("RemoveTrackingHandler", removetracking_body)
274	n/a	module.add(removetracking)
275	n/a
276	n/a	removereceive_body = """
277	n/a	WindowPtr theWindow = NULL;
278	n/a	OSErr _err;
279	n/a
280	n/a	if ( !PyArg_ParseTuple(_args, "\|O&", WinObj_Convert, &theWindow) )
281	n/a	return NULL;
282	n/a	_err = RemoveReceiveHandler(dragglue_ReceiveHandlerUPP, theWindow);
283	n/a	if (_err != noErr) return PyMac_Error(_err);
284	n/a	Py_INCREF(Py_None);
285	n/a	_res = Py_None;
286	n/a	return _res;
287	n/a	"""
288	n/a	removereceive = ManualGenerator("RemoveReceiveHandler", removereceive_body)
289	n/a	module.add(removereceive)
290	n/a
291	n/a	# generate output (open the output file as late as possible)
292	n/a	SetOutputFileName(OUTPUTFILE)
293	n/a	module.generate()