# This script generates a Python interface for an Apple Macintosh Manager. # It uses the "bgen" package to generate C code. # The function specifications are generated by scanning the mamager's header file, # using the "scantools" package (customized for this particular manager). #error missing SetActionFilter import string # Declarations that change for each manager MACHEADERFILE = 'Movies.h' # The Apple header file MODNAME = 'Qt' # The name of the module OBJECTNAME = 'Movie' # The basic name of the objects used here # The following is *usually* unchanged but may still require tuning MODPREFIX = MODNAME # The prefix for module-wide routines OBJECTTYPE = "Movie" # The C type used to represent them OBJECTPREFIX = MODPREFIX + 'Obj' # The prefix for object methods INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner OUTPUTFILE = MODNAME + "module.c" # The file generated by this program from macsupport import * # Create the type objects includestuff = includestuff + """ #include <%s>""" % MACHEADERFILE + """ /* Exported by Cmmodule.c: */ extern PyObject *CmpObj_New(Component); extern int CmpObj_Convert(PyObject *, Component *); extern PyObject *CmpInstObj_New(ComponentInstance); extern int CmpInstObj_Convert(PyObject *, ComponentInstance *); /* Exported by Qdmodule.c: */ extern PyObject *QdRGB_New(RGBColor *); extern int QdRGB_Convert(PyObject *, RGBColor *); /* Our own, used before defined: */ staticforward PyObject *TrackObj_New(Track); staticforward int TrackObj_Convert(PyObject *, Track *); staticforward PyObject *MovieObj_New(Movie); staticforward int MovieObj_Convert(PyObject *, Movie *); staticforward PyObject *MovieCtlObj_New(MovieController); staticforward int MovieCtlObj_Convert(PyObject *, TimeBase *); staticforward PyObject *TimeBaseObj_New(TimeBase); staticforward int TimeBaseObj_Convert(PyObject *, TimeBase *); /* ** Parse/generate time records */ static PyObject * QtTimeRecord_New(itself) TimeRecord *itself; { if (itself->base) return Py_BuildValue("O&lO&", PyMac_Buildwide, &itself->value, itself->scale, TimeBaseObj_New, itself->base); else return Py_BuildValue("O&lO", PyMac_Buildwide, &itself->value, itself->scale, Py_None); } static int QtTimeRecord_Convert(v, p_itself) PyObject *v; TimeRecord *p_itself; { PyObject *base = NULL; if( !PyArg_ParseTuple(v, "O&l|O", PyMac_Getwide, &p_itself->value, &p_itself->scale, &base) ) return 0; if ( base == NULL || base == Py_None ) p_itself->base = NULL; else if ( !TimeBaseObj_Convert(base, &p_itself->base) ) return 0; return 1; } """ # Our (opaque) objects Movie = OpaqueByValueType('Movie', 'MovieObj') NullMovie = FakeType("(Movie)0") Track = OpaqueByValueType('Track', 'TrackObj') Media = OpaqueByValueType('Media', 'MediaObj') UserData = OpaqueByValueType('UserData', 'UserDataObj') TimeBase = OpaqueByValueType('TimeBase', 'TimeBaseObj') MovieController = OpaqueByValueType('MovieController', 'MovieCtlObj') # Other opaque objects Component = OpaqueByValueType('Component', 'CmpObj') MediaHandlerComponent = OpaqueByValueType('MediaHandlerComponent', 'CmpObj') DataHandlerComponent = OpaqueByValueType('DataHandlerComponent', 'CmpObj') ComponentInstance = OpaqueByValueType('ComponentInstance', 'CmpInstObj') MediaHandler = OpaqueByValueType('MediaHandler', 'CmpInstObj') DataHandler = OpaqueByValueType('DataHandler', 'CmpInstObj') RgnHandle = OpaqueByValueType("RgnHandle", "ResObj") PicHandle = OpaqueByValueType("PicHandle", "ResObj") CTabHandle = OpaqueByValueType("CTabHandle", "ResObj") PixMapHandle = OpaqueByValueType("PixMapHandle", "ResObj") SampleDescriptionHandle = OpaqueByValueType("SampleDescriptionHandle", "ResObj") ImageDescriptionHandle = OpaqueByValueType("ImageDescriptionHandle", "ResObj") TEHandle = OpaqueByValueType("TEHandle", "ResObj") CGrafPtr = OpaqueByValueType("CGrafPtr", "GrafObj") GDHandle = OpaqueByValueType("GDHandle", "OptResObj") AliasHandle = OpaqueByValueType("AliasHandle", "ResObj") SoundDescriptionHandle = OpaqueByValueType("SoundDescriptionHandle", "ResObj") # Silly Apple, passing an OStype by reference... OSType_ptr = OpaqueType("OSType", "PyMac_BuildOSType", "PyMac_GetOSType") # And even sillier: passing floats by address float_ptr = ByAddressType("float", "f") RGBColor = OpaqueType("RGBColor", "QdRGB") RGBColor_ptr = RGBColor TimeRecord = OpaqueType("TimeRecord", "QtTimeRecord") TimeRecord_ptr = TimeRecord # Non-opaque types, mostly integer-ish TimeValue = Type("TimeValue", "l") TimeScale = Type("TimeScale", "l") TimeBaseFlags = Type("TimeBaseFlags", "l") QTCallBackFlags = Type("QTCallBackFlags", "h") TimeBaseStatus = Type("TimeBaseStatus", "l") QTCallBackType = Type("QTCallBackType", "h") nextTimeFlagsEnum = Type("nextTimeFlagsEnum", "h") createMovieFileFlagsEnum = Type("createMovieFileFlagsEnum", "l") movieFlattenFlagsEnum = Type("movieFlattenFlagsEnum", "l") dataRefAttributesFlags = Type("dataRefAttributesFlags", "l") playHintsEnum = Type("playHintsEnum", "l") mediaHandlerFlagsEnum = Type("mediaHandlerFlagsEnum", "l") ComponentResult = Type("ComponentResult", "l") HandlerError = Type("HandlerError", "l") Ptr = InputOnlyType("Ptr", "s") StringPtr = Type("StringPtr", "s") mcactionparams = InputOnlyType("void *", "s") QTParameterDialog = Type("QTParameterDialog", "l") QTAtomID = Type("QTAtomID", "l") MCInterfaceElement = Type("MCInterfaceElement", "l") # Could-not-be-bothered-types (NewMovieFromFile) dummyshortptr = FakeType('(short *)0') dummyStringPtr = FakeType('(StringPtr)0') class MovieObjectDefinition(GlobalObjectDefinition): def outputCheckNewArg(self): Output("""if (itself == NULL) { PyErr_SetString(Qt_Error,"Cannot create null Movie"); return NULL; }""") def outputFreeIt(self, itselfname): Output("DisposeMovie(%s);", itselfname) class TrackObjectDefinition(GlobalObjectDefinition): def outputCheckNewArg(self): Output("""if (itself == NULL) { PyErr_SetString(Qt_Error,"Cannot create null Track"); return NULL; }""") def outputFreeIt(self, itselfname): Output("DisposeMovieTrack(%s);", itselfname) class MediaObjectDefinition(GlobalObjectDefinition): def outputCheckNewArg(self): Output("""if (itself == NULL) { PyErr_SetString(Qt_Error,"Cannot create null Media"); return NULL; }""") def outputFreeIt(self, itselfname): Output("DisposeTrackMedia(%s);", itselfname) class UserDataObjectDefinition(GlobalObjectDefinition): def outputCheckNewArg(self): Output("""if (itself == NULL) { PyErr_SetString(Qt_Error,"Cannot create null UserData"); return NULL; }""") def outputFreeIt(self, itselfname): Output("DisposeUserData(%s);", itselfname) class TimeBaseObjectDefinition(GlobalObjectDefinition): def outputCheckNewArg(self): Output("""if (itself == NULL) { PyErr_SetString(Qt_Error,"Cannot create null TimeBase"); return NULL; }""") ## def outputFreeIt(self, itselfname): ## Output("DisposeTimeBase(%s);", itselfname) class MovieCtlObjectDefinition(GlobalObjectDefinition): def outputCheckNewArg(self): Output("""if (itself == NULL) { PyErr_SetString(Qt_Error,"Cannot create null MovieController"); return NULL; }""") def outputFreeIt(self, itselfname): Output("DisposeMovieController(%s);", itselfname) # From here on it's basically all boiler plate... # Create the generator groups and link them module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff) Movie_object = MovieObjectDefinition('Movie', 'MovieObj', 'Movie') Track_object = TrackObjectDefinition('Track', 'TrackObj', 'Track') Media_object = MediaObjectDefinition('Media', 'MediaObj', 'Media') UserData_object = UserDataObjectDefinition('UserData', 'UserDataObj', 'UserData') TimeBase_object = TimeBaseObjectDefinition('TimeBase', 'TimeBaseObj', 'TimeBase') MovieController_object = MovieCtlObjectDefinition('MovieController', 'MovieCtlObj', 'MovieController') module.addobject(MovieController_object) module.addobject(TimeBase_object) module.addobject(UserData_object) module.addobject(Media_object) module.addobject(Track_object) module.addobject(Movie_object) # Create the generator classes used to populate the lists Function = OSErrFunctionGenerator Method = OSErrMethodGenerator # Create and populate the lists functions = [] MovieController_methods = [] TimeBase_methods = [] UserData_methods = [] Media_methods = [] Track_methods = [] Movie_methods = [] execfile(INPUTFILE) # # Some functions from ImageCompression.h that we need: ICMAlignmentProcRecordPtr = FakeType('(ICMAlignmentProcRecordPtr)0') dummyRect = FakeType('(Rect *)0') f = Function(void, 'AlignWindow', (WindowPtr, 'wp', InMode), (Boolean, 'front', InMode), (dummyRect, 'alignmentRect', InMode), (ICMAlignmentProcRecordPtr, 'alignmentProc', InMode), ) functions.append(f) f = Function(void, 'DragAlignedWindow', (WindowPtr, 'wp', InMode), (Point, 'startPt', InMode), (Rect_ptr, 'boundsRect', InMode), (dummyRect, 'alignmentRect', InMode), (ICMAlignmentProcRecordPtr, 'alignmentProc', InMode), ) functions.append(f) # And we want the version of MoviesTask without a movie argument f = Function(void, 'MoviesTask', (NullMovie, 'theMovie', InMode), (long, 'maxMilliSecToUse', InMode), ) functions.append(f) # add the populated lists to the generator groups # (in a different wordl the scan program would generate this) for f in functions: module.add(f) for f in MovieController_methods: MovieController_object.add(f) for f in TimeBase_methods: TimeBase_object.add(f) for f in UserData_methods: UserData_object.add(f) for f in Media_methods: Media_object.add(f) for f in Track_methods: Track_object.add(f) for f in Movie_methods: Movie_object.add(f) # generate output (open the output file as late as possible) SetOutputFileName(OUTPUTFILE) module.generate()