| /*********************************************************** |
| Copyright 1991-1997 by Stichting Mathematisch Centrum, Amsterdam, |
| The Netherlands. |
| |
| All Rights Reserved |
| |
| Permission to use, copy, modify, and distribute this software and its |
| documentation for any purpose and without fee is hereby granted, |
| provided that the above copyright notice appear in all copies and that |
| both that copyright notice and this permission notice appear in |
| supporting documentation, and that the names of Stichting Mathematisch |
| Centrum or CWI not be used in advertising or publicity pertaining to |
| distribution of the software without specific, written prior permission. |
| |
| STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO |
| THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE |
| FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT |
| OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| |
| ******************************************************************/ |
| |
| |
| #include "Python.h" |
| #include "pymactoolbox.h" |
| #include <arpa/inet.h> /* for ntohl, htonl */ |
| |
| |
| /* Like strerror() but for Mac OS error numbers */ |
| char * |
| PyMac_StrError(int err) |
| { |
| static char buf[256]; |
| PyObject *m; |
| PyObject *rv; |
| |
| m = PyImport_ImportModule("MacOS"); |
| if (!m) { |
| if (Py_VerboseFlag) |
| PyErr_Print(); |
| PyErr_Clear(); |
| rv = NULL; |
| } |
| else { |
| rv = PyObject_CallMethod(m, "GetErrorString", "i", err); |
| if (!rv) |
| PyErr_Clear(); |
| } |
| if (!rv) { |
| buf[0] = '\0'; |
| } |
| else { |
| char *input = PyString_AsString(rv); |
| if (!input) { |
| PyErr_Clear(); |
| buf[0] = '\0'; |
| } else { |
| strncpy(buf, input, sizeof(buf) - 1); |
| buf[sizeof(buf) - 1] = '\0'; |
| } |
| Py_DECREF(rv); |
| } |
| Py_XDECREF(m); |
| return buf; |
| } |
| |
| /* Exception object shared by all Mac specific modules for Mac OS errors */ |
| PyObject *PyMac_OSErrException; |
| |
| /* Initialize and return PyMac_OSErrException */ |
| PyObject * |
| PyMac_GetOSErrException(void) |
| { |
| if (PyMac_OSErrException == NULL) |
| PyMac_OSErrException = PyErr_NewException("MacOS.Error", NULL, NULL); |
| return PyMac_OSErrException; |
| } |
| |
| /* Set a MAC-specific error from errno, and return NULL; return None if no error */ |
| PyObject * |
| PyErr_Mac(PyObject *eobj, int err) |
| { |
| char *msg; |
| PyObject *v; |
| |
| if (err == 0 && !PyErr_Occurred()) { |
| Py_INCREF(Py_None); |
| return Py_None; |
| } |
| if (err == -1 && PyErr_Occurred()) |
| return NULL; |
| msg = PyMac_StrError(err); |
| v = Py_BuildValue("(is)", err, msg); |
| PyErr_SetObject(eobj, v); |
| Py_DECREF(v); |
| return NULL; |
| } |
| |
| /* Call PyErr_Mac with PyMac_OSErrException */ |
| PyObject * |
| PyMac_Error(OSErr err) |
| { |
| return PyErr_Mac(PyMac_GetOSErrException(), err); |
| } |
| |
| |
| OSErr |
| PyMac_GetFullPathname(FSSpec *fss, char *path, int len) |
| { |
| PyObject *fs, *exc; |
| PyObject *rv = NULL; |
| char *input; |
| OSErr err = noErr; |
| |
| *path = '\0'; |
| |
| fs = PyMac_BuildFSSpec(fss); |
| if (!fs) |
| goto error; |
| |
| rv = PyObject_CallMethod(fs, "as_pathname", ""); |
| if (!rv) |
| goto error; |
| |
| input = PyString_AsString(rv); |
| if (!input) |
| goto error; |
| |
| strncpy(path, input, len - 1); |
| path[len - 1] = '\0'; |
| |
| Py_XDECREF(rv); |
| Py_XDECREF(fs); |
| return err; |
| |
| error: |
| exc = PyErr_Occurred(); |
| if (exc && PyErr_GivenExceptionMatches(exc, |
| PyMac_GetOSErrException())) { |
| PyObject *args = PyObject_GetAttrString(exc, "args"); |
| if (args) { |
| char *ignore; |
| PyArg_ParseTuple(args, "is", &err, &ignore); |
| Py_XDECREF(args); |
| } |
| } |
| if (err == noErr) |
| err = -1; |
| PyErr_Clear(); |
| Py_XDECREF(rv); |
| Py_XDECREF(fs); |
| return err; |
| } |
| |
| /* Convert a 4-char string object argument to an OSType value */ |
| int |
| PyMac_GetOSType(PyObject *v, OSType *pr) |
| { |
| uint32_t tmp; |
| const char *str; |
| int len; |
| if (PyUnicode_Check(v)) { |
| v = _PyUnicode_AsDefaultEncodedString(v, NULL); |
| if (v == NULL) |
| return 0; |
| } |
| if (PyString_Check(v)) { |
| str = PyString_AS_STRING(v); |
| len = PyString_GET_SIZE(v); |
| } |
| else if (PyBytes_Check(v)) { |
| str = PyBytes_AS_STRING(v); |
| len = PyBytes_GET_SIZE(v); |
| } |
| else { |
| PyErr_SetString(PyExc_TypeError, |
| "OSType arg must be string (of 4 chars)"); |
| return 0; |
| } |
| if (len != 4) { |
| PyErr_SetString(PyExc_TypeError, |
| "OSType arg must be (string of) 4 chars"); |
| return 0; |
| } |
| memcpy((char *)&tmp, str, 4); |
| *pr = (OSType)ntohl(tmp); |
| return 1; |
| } |
| |
| /* Convert an OSType value to a 4-char string object */ |
| PyObject * |
| PyMac_BuildOSType(OSType t) |
| { |
| uint32_t tmp = htonl((uint32_t)t); |
| return PyString_FromStringAndSize((char *)&tmp, 4); |
| } |
| |
| /* Convert an NumVersion value to a 4-element tuple */ |
| PyObject * |
| PyMac_BuildNumVersion(NumVersion t) |
| { |
| return Py_BuildValue("(hhhh)", t.majorRev, t.minorAndBugRev, t.stage, t.nonRelRev); |
| } |
| |
| |
| /* Convert a Python string object to a Str255 */ |
| int |
| PyMac_GetStr255(PyObject *v, Str255 pbuf) |
| { |
| char *ptr; |
| Py_ssize_t len = 1000; |
| |
| if (PyUnicode_Check(v)) { |
| v = _PyUnicode_AsDefaultEncodedString(v, NULL); |
| if (v == NULL) |
| return 0; |
| } |
| if (PyString_Check(v)) { |
| ptr = PyString_AS_STRING(v); |
| len = PyString_GET_SIZE(v); |
| } |
| else if (PyBytes_Check(v)) { |
| ptr = PyBytes_AS_STRING(v); |
| len = PyBytes_GET_SIZE(v); |
| } |
| if (len > 255) { |
| PyErr_SetString(PyExc_TypeError, |
| "Str255 arg must be string/bytes of at most 255 chars"); |
| return 0; |
| } |
| pbuf[0] = len; |
| memcpy((char *)(pbuf+1), ptr, len); |
| return 1; |
| } |
| |
| /* Convert a Str255 to a Python string object */ |
| PyObject * |
| PyMac_BuildStr255(Str255 s) |
| { |
| if ( s == NULL ) { |
| PyErr_SetString(PyExc_SystemError, "Str255 pointer is NULL"); |
| return NULL; |
| } |
| return PyString_FromStringAndSize((char *)&s[1], (int)s[0]); |
| } |
| |
| PyObject * |
| PyMac_BuildOptStr255(Str255 s) |
| { |
| if ( s == NULL ) { |
| Py_INCREF(Py_None); |
| return Py_None; |
| } |
| return PyString_FromStringAndSize((char *)&s[1], (int)s[0]); |
| } |
| |
| |
| |
| /* Convert a Python object to a Rect. |
| The object must be a (left, top, right, bottom) tuple. |
| (This differs from the order in the struct but is consistent with |
| the arguments to SetRect(), and also with STDWIN). */ |
| int |
| PyMac_GetRect(PyObject *v, Rect *r) |
| { |
| return PyArg_Parse(v, "(hhhh)", &r->left, &r->top, &r->right, &r->bottom); |
| } |
| |
| /* Convert a Rect to a Python object */ |
| PyObject * |
| PyMac_BuildRect(Rect *r) |
| { |
| return Py_BuildValue("(hhhh)", r->left, r->top, r->right, r->bottom); |
| } |
| |
| |
| /* Convert a Python object to a Point. |
| The object must be a (h, v) tuple. |
| (This differs from the order in the struct but is consistent with |
| the arguments to SetPoint(), and also with STDWIN). */ |
| int |
| PyMac_GetPoint(PyObject *v, Point *p) |
| { |
| return PyArg_Parse(v, "(hh)", &p->h, &p->v); |
| } |
| |
| /* Convert a Point to a Python object */ |
| PyObject * |
| PyMac_BuildPoint(Point p) |
| { |
| return Py_BuildValue("(hh)", p.h, p.v); |
| } |
| |
| |
| /* Convert a Python object to an EventRecord. |
| The object must be a (what, message, when, (v, h), modifiers) tuple. */ |
| int |
| PyMac_GetEventRecord(PyObject *v, EventRecord *e) |
| { |
| return PyArg_Parse(v, "(Hkk(hh)H)", |
| &e->what, |
| &e->message, |
| &e->when, |
| &e->where.h, |
| &e->where.v, |
| &e->modifiers); |
| } |
| |
| /* Convert a Rect to an EventRecord object */ |
| PyObject * |
| PyMac_BuildEventRecord(EventRecord *e) |
| { |
| return Py_BuildValue("(hll(hh)h)", |
| e->what, |
| e->message, |
| e->when, |
| e->where.h, |
| e->where.v, |
| e->modifiers); |
| } |
| |
| /* Convert Python object to Fixed */ |
| int |
| PyMac_GetFixed(PyObject *v, Fixed *f) |
| { |
| double d; |
| |
| if( !PyArg_Parse(v, "d", &d)) |
| return 0; |
| *f = (Fixed)(d * 0x10000); |
| return 1; |
| } |
| |
| /* Convert a Fixed to a Python object */ |
| PyObject * |
| PyMac_BuildFixed(Fixed f) |
| { |
| double d; |
| |
| d = f; |
| d = d / 0x10000; |
| return Py_BuildValue("d", d); |
| } |
| |
| /* Convert wide to/from Python int or (hi, lo) tuple. XXXX Should use Python longs */ |
| int |
| PyMac_Getwide(PyObject *v, wide *rv) |
| { |
| if (PyLong_Check(v)) { |
| rv->hi = 0; |
| rv->lo = PyLong_AsLong(v); |
| if( rv->lo & 0x80000000 ) |
| rv->hi = -1; |
| return 1; |
| } |
| return PyArg_Parse(v, "(kk)", &rv->hi, &rv->lo); |
| } |
| |
| |
| PyObject * |
| PyMac_Buildwide(wide *w) |
| { |
| if ( (w->hi == 0 && (w->lo & 0x80000000) == 0) || |
| (w->hi == -1 && (w->lo & 0x80000000) ) ) |
| return PyLong_FromLong(w->lo); |
| return Py_BuildValue("(ll)", w->hi, w->lo); |
| } |
| |
| #ifdef USE_TOOLBOX_OBJECT_GLUE |
| /* |
| ** Glue together the toolbox objects. |
| ** |
| ** Because toolbox modules interdepend on each other, they use each others |
| ** object types, on MacOSX/MachO this leads to the situation that they |
| ** cannot be dynamically loaded (or they would all have to be lumped into |
| ** a single .so, but this would be bad for extensibility). |
| ** |
| ** This file defines wrappers for all the _New and _Convert functions, |
| ** which are the Py_BuildValue and PyArg_ParseTuple helpers. The wrappers |
| ** check an indirection function pointer, and if it isn't filled in yet |
| ** they import the appropriate module, whose init routine should fill in |
| ** the pointer. |
| */ |
| |
| #define GLUE_NEW(object, routinename, module) \ |
| PyObject *(*PyMacGluePtr_##routinename)(object); \ |
| \ |
| PyObject *routinename(object cobj) { \ |
| if (!PyMacGluePtr_##routinename) { \ |
| if (!PyImport_ImportModule(module)) return NULL; \ |
| if (!PyMacGluePtr_##routinename) { \ |
| PyErr_SetString(PyExc_ImportError, "Module did not provide routine: " module ": " #routinename); \ |
| return NULL; \ |
| } \ |
| } \ |
| return (*PyMacGluePtr_##routinename)(cobj); \ |
| } |
| |
| #define GLUE_CONVERT(object, routinename, module) \ |
| int (*PyMacGluePtr_##routinename)(PyObject *, object *); \ |
| \ |
| int routinename(PyObject *pyobj, object *cobj) { \ |
| if (!PyMacGluePtr_##routinename) { \ |
| if (!PyImport_ImportModule(module)) return 0; \ |
| if (!PyMacGluePtr_##routinename) { \ |
| PyErr_SetString(PyExc_ImportError, "Module did not provide routine: " module ": " #routinename); \ |
| return 0; \ |
| } \ |
| } \ |
| return (*PyMacGluePtr_##routinename)(pyobj, cobj); \ |
| } |
| |
| GLUE_NEW(FSSpec *, PyMac_BuildFSSpec, "Carbon.File") |
| GLUE_CONVERT(FSSpec, PyMac_GetFSSpec, "Carbon.File") |
| GLUE_NEW(FSRef *, PyMac_BuildFSRef, "Carbon.File") |
| GLUE_CONVERT(FSRef, PyMac_GetFSRef, "Carbon.File") |
| |
| GLUE_NEW(AppleEvent *, AEDesc_New, "Carbon.AE") /* XXXX Why by address? */ |
| GLUE_NEW(AppleEvent *, AEDesc_NewBorrowed, "Carbon.AE") |
| GLUE_CONVERT(AppleEvent, AEDesc_Convert, "Carbon.AE") |
| |
| GLUE_NEW(Component, CmpObj_New, "Carbon.Cm") |
| GLUE_CONVERT(Component, CmpObj_Convert, "Carbon.Cm") |
| GLUE_NEW(ComponentInstance, CmpInstObj_New, "Carbon.Cm") |
| GLUE_CONVERT(ComponentInstance, CmpInstObj_Convert, "Carbon.Cm") |
| |
| GLUE_NEW(ControlHandle, CtlObj_New, "Carbon.Ctl") |
| GLUE_CONVERT(ControlHandle, CtlObj_Convert, "Carbon.Ctl") |
| |
| GLUE_NEW(DialogPtr, DlgObj_New, "Carbon.Dlg") |
| GLUE_CONVERT(DialogPtr, DlgObj_Convert, "Carbon.Dlg") |
| GLUE_NEW(DialogPtr, DlgObj_WhichDialog, "Carbon.Dlg") |
| |
| GLUE_NEW(DragReference, DragObj_New, "Carbon.Drag") |
| GLUE_CONVERT(DragReference, DragObj_Convert, "Carbon.Drag") |
| |
| GLUE_NEW(ListHandle, ListObj_New, "Carbon.List") |
| GLUE_CONVERT(ListHandle, ListObj_Convert, "Carbon.List") |
| |
| GLUE_NEW(MenuHandle, MenuObj_New, "Carbon.Menu") |
| GLUE_CONVERT(MenuHandle, MenuObj_Convert, "Carbon.Menu") |
| |
| GLUE_NEW(GrafPtr, GrafObj_New, "Carbon.Qd") |
| GLUE_CONVERT(GrafPtr, GrafObj_Convert, "Carbon.Qd") |
| GLUE_NEW(BitMapPtr, BMObj_New, "Carbon.Qd") |
| GLUE_CONVERT(BitMapPtr, BMObj_Convert, "Carbon.Qd") |
| GLUE_NEW(RGBColor *, QdRGB_New, "Carbon.Qd") /* XXXX Why? */ |
| GLUE_CONVERT(RGBColor, QdRGB_Convert, "Carbon.Qd") |
| |
| GLUE_NEW(GWorldPtr, GWorldObj_New, "Carbon.Qdoffs") |
| GLUE_CONVERT(GWorldPtr, GWorldObj_Convert, "Carbon.Qdoffs") |
| |
| GLUE_NEW(Track, TrackObj_New, "Carbon.Qt") |
| GLUE_CONVERT(Track, TrackObj_Convert, "Carbon.Qt") |
| GLUE_NEW(Movie, MovieObj_New, "Carbon.Qt") |
| GLUE_CONVERT(Movie, MovieObj_Convert, "Carbon.Qt") |
| GLUE_NEW(MovieController, MovieCtlObj_New, "Carbon.Qt") |
| GLUE_CONVERT(MovieController, MovieCtlObj_Convert, "Carbon.Qt") |
| GLUE_NEW(TimeBase, TimeBaseObj_New, "Carbon.Qt") |
| GLUE_CONVERT(TimeBase, TimeBaseObj_Convert, "Carbon.Qt") |
| GLUE_NEW(UserData, UserDataObj_New, "Carbon.Qt") |
| GLUE_CONVERT(UserData, UserDataObj_Convert, "Carbon.Qt") |
| GLUE_NEW(Media, MediaObj_New, "Carbon.Qt") |
| GLUE_CONVERT(Media, MediaObj_Convert, "Carbon.Qt") |
| |
| GLUE_NEW(Handle, ResObj_New, "Carbon.Res") |
| GLUE_CONVERT(Handle, ResObj_Convert, "Carbon.Res") |
| GLUE_NEW(Handle, OptResObj_New, "Carbon.Res") |
| GLUE_CONVERT(Handle, OptResObj_Convert, "Carbon.Res") |
| |
| GLUE_NEW(TEHandle, TEObj_New, "Carbon.TE") |
| GLUE_CONVERT(TEHandle, TEObj_Convert, "Carbon.TE") |
| |
| GLUE_NEW(WindowPtr, WinObj_New, "Carbon.Win") |
| GLUE_CONVERT(WindowPtr, WinObj_Convert, "Carbon.Win") |
| GLUE_NEW(WindowPtr, WinObj_WhichWindow, "Carbon.Win") |
| |
| GLUE_CONVERT(CFTypeRef, CFObj_Convert, "Carbon.CF") |
| GLUE_NEW(CFTypeRef, CFObj_New, "Carbon.CF") |
| |
| GLUE_CONVERT(CFTypeRef, CFTypeRefObj_Convert, "Carbon.CF") |
| GLUE_NEW(CFTypeRef, CFTypeRefObj_New, "Carbon.CF") |
| |
| GLUE_CONVERT(CFStringRef, CFStringRefObj_Convert, "Carbon.CF") |
| GLUE_NEW(CFStringRef, CFStringRefObj_New, "Carbon.CF") |
| GLUE_CONVERT(CFMutableStringRef, CFMutableStringRefObj_Convert, "Carbon.CF") |
| GLUE_NEW(CFMutableStringRef, CFMutableStringRefObj_New, "Carbon.CF") |
| |
| GLUE_CONVERT(CFArrayRef, CFArrayRefObj_Convert, "Carbon.CF") |
| GLUE_NEW(CFArrayRef, CFArrayRefObj_New, "Carbon.CF") |
| GLUE_CONVERT(CFMutableArrayRef, CFMutableArrayRefObj_Convert, "Carbon.CF") |
| GLUE_NEW(CFMutableArrayRef, CFMutableArrayRefObj_New, "Carbon.CF") |
| |
| GLUE_CONVERT(CFDictionaryRef, CFDictionaryRefObj_Convert, "Carbon.CF") |
| GLUE_NEW(CFDictionaryRef, CFDictionaryRefObj_New, "Carbon.CF") |
| GLUE_CONVERT(CFMutableDictionaryRef, CFMutableDictionaryRefObj_Convert, "Carbon.CF") |
| GLUE_NEW(CFMutableDictionaryRef, CFMutableDictionaryRefObj_New, "Carbon.CF") |
| |
| GLUE_CONVERT(CFURLRef, CFURLRefObj_Convert, "Carbon.CF") |
| GLUE_CONVERT(CFURLRef, OptionalCFURLRefObj_Convert, "Carbon.CF") |
| GLUE_NEW(CFURLRef, CFURLRefObj_New, "Carbon.CF") |
| |
| #endif /* USE_TOOLBOX_OBJECT_GLUE */ |