# 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). # # XXXX TO DO: # - Implement correct missing FSSpec handling for Alias methods # - Implement FInfo import string # Declarations that change for each manager #MACHEADERFILE = 'Files.h' # The Apple header file MODNAME = '_File' # The name of the module LONGMODNAME = 'Carbon.File' # The "normal" external name of the module # The following is *usually* unchanged but may still require tuning MODPREFIX = 'File' # The prefix for module-wide routines 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 * # Various integers: SInt64 = Type("SInt64", "L") UInt64 = Type("UInt64", "L") FNMessage = Type("FNMessage", "l") FSAllocationFlags = Type("FSAllocationFlags", "H") FSCatalogInfoBitmap = Type("FSCatalogInfoBitmap", "l") FSIteratorFlags = Type("FSIteratorFlags", "l") FSVolumeRefNum = Type("FSVolumeRefNum", "h") AliasInfoType = Type("AliasInfoType", "h") # Various types of strings: #class UniCharCountBuffer(InputOnlyType): # pass class VarReverseInputBufferType(ReverseInputBufferMixin, VarInputBufferType): pass FullPathName = VarReverseInputBufferType() ConstStr31Param = OpaqueArrayType("Str31", "PyMac_BuildStr255", "PyMac_GetStr255") ConstStr32Param = OpaqueArrayType("Str32", "PyMac_BuildStr255", "PyMac_GetStr255") ConstStr63Param = OpaqueArrayType("Str63", "PyMac_BuildStr255", "PyMac_GetStr255") Str63 = OpaqueArrayType("Str63", "PyMac_BuildStr255", "PyMac_GetStr255") HFSUniStr255 = OpaqueType("HFSUniStr255", "PyMac_BuildHFSUniStr255", "PyMac_GetHFSUniStr255") UInt8_ptr = InputOnlyType("UInt8 *", "s") # Other types: class OptionalFSxxxType(OpaqueByValueType): def declare(self, name): Output("%s %s__buf__;", self.typeName, name) Output("%s *%s = &%s__buf__;", self.typeName, name, name) class FSCatalogInfoAndBitmapType(InputOnlyType): def __init__(self): InputOnlyType.__init__(self, "BUG", "BUG") def declare(self, name): Output("PyObject *%s__object = NULL;", name) Output("FSCatalogInfoBitmap %s__bitmap = 0;", name) Output("FSCatalogInfo %s;", name) def getargsFormat(self): return "lO" def getargsArgs(self, name): return "%s__bitmap, %s__object"%(name, name) def getargsCheck(self, name): Output("if (!convert_FSCatalogInfo(%s__object, %s__bitmap, &%s)) return NULL;", name, name, name) def passInput(self, name): return "%s__bitmap, &%s"% (name, name) def passOutput(self, name): return "%s__bitmap, &%s"% (name, name) def mkvalueFormat(self): return "O" def mkvalueArgs(self, name): return "%s__object" % (name) def xxxxmkvalueCheck(self, name): Output("if ((%s__object = new_FSCatalogInfo(%s__bitmap, &%s)) == NULL) return NULL;", name, name) class FSCatalogInfoAndBitmap_inType(FSCatalogInfoAndBitmapType, InputOnlyMixIn): def xxxxmkvalueCheck(self, name): pass class FSCatalogInfoAndBitmap_outType(FSCatalogInfoAndBitmapType): def getargsFormat(self): return "l" def getargsArgs(self, name): return "%s__bitmap" % name def getargsCheck(self, name): pass FInfo = OpaqueType("FInfo", "FInfo") FInfo_ptr = OpaqueType("FInfo", "FInfo") AliasHandle = OpaqueByValueType("AliasHandle", "Alias") FSSpec = OpaqueType("FSSpec", "FSSpec") FSSpec_ptr = OpaqueType("FSSpec", "FSSpec") OptFSSpecPtr = OptionalFSxxxType("FSSpec", "BUG", "myPyMac_GetOptFSSpecPtr") FSRef = OpaqueType("FSRef", "FSRef") FSRef_ptr = OpaqueType("FSRef", "FSRef") OptFSRefPtr = OptionalFSxxxType("FSRef", "BUG", "myPyMac_GetOptFSRefPtr") FSCatalogInfo = OpaqueType("FSCatalogInfo", "FSCatalogInfo") FSCatalogInfo_ptr = OpaqueType("FSCatalogInfo", "FSCatalogInfo") # To be done: #CatPositionRec #FSCatalogInfo #FSForkInfo #FSIterator #FSVolumeInfo #FSSpecArrayPtr includestuff = includestuff + """ #ifdef WITHOUT_FRAMEWORKS #include #else #include #endif #ifdef USE_TOOLBOX_OBJECT_GLUE extern int _PyMac_GetFSSpec(PyObject *v, FSSpec *spec); extern int _PyMac_GetFSRef(PyObject *v, FSRef *fsr); extern PyObject *_PyMac_BuildFSSpec(FSSpec *spec); extern PyObject *_PyMac_BuildFSRef(FSRef *spec); #define PyMac_GetFSSpec _PyMac_GetFSSpec #define PyMac_GetFSRef _PyMac_GetFSRef #define PyMac_BuildFSSpec _PyMac_BuildFSSpec #define PyMac_BuildFSRef _PyMac_BuildFSRef #else extern int PyMac_GetFSSpec(PyObject *v, FSSpec *spec); extern int PyMac_GetFSRef(PyObject *v, FSRef *fsr); extern PyObject *PyMac_BuildFSSpec(FSSpec *spec); extern PyObject *PyMac_BuildFSRef(FSRef *spec); #endif /* Forward declarations */ static PyObject *FInfo_New(FInfo *itself); static PyObject *FSRef_New(FSRef *itself); static PyObject *FSSpec_New(FSSpec *itself); static PyObject *Alias_New(AliasHandle itself); static int FInfo_Convert(PyObject *v, FInfo *p_itself); #define FSRef_Convert PyMac_GetFSRef #define FSSpec_Convert PyMac_GetFSSpec static int Alias_Convert(PyObject *v, AliasHandle *p_itself); /* ** UTCDateTime records */ static int UTCDateTime_Convert(PyObject *v, UTCDateTime *ptr) { return PyArg_Parse(v, "(HlH)", &ptr->highSeconds, &ptr->lowSeconds, &ptr->fraction); } static PyObject * UTCDateTime_New(UTCDateTime *ptr) { return Py_BuildValue("(HlH)", ptr->highSeconds, ptr->lowSeconds, ptr->fraction); } /* ** Optional fsspec and fsref pointers. None will pass NULL */ static int myPyMac_GetOptFSSpecPtr(PyObject *v, FSSpec **spec) { if (v == Py_None) { *spec = NULL; return 1; } return PyMac_GetFSSpec(v, *spec); } static int myPyMac_GetOptFSRefPtr(PyObject *v, FSRef **ref) { if (v == Py_None) { *ref = NULL; return 1; } return PyMac_GetFSRef(v, *ref); } /* ** Parse/generate objsect */ static PyObject * PyMac_BuildHFSUniStr255(HFSUniStr255 *itself) { return Py_BuildValue("u#", itself->unicode, itself->length); } """ finalstuff = finalstuff + """ int PyMac_GetFSSpec(PyObject *v, FSSpec *spec) { Str255 path; short refnum; long parid; OSErr err; FSRef fsr; if (FSSpec_Check(v)) { *spec = ((FSSpecObject *)v)->ob_itself; return 1; } if (PyArg_Parse(v, "(hlO&)", &refnum, &parid, PyMac_GetStr255, &path)) { err = FSMakeFSSpec(refnum, parid, path, spec); if ( err && err != fnfErr ) { PyMac_Error(err); return 0; } return 1; } PyErr_Clear(); #if !TARGET_API_MAC_OSX /* On OS9 we now try a pathname */ if ( PyString_Check(v) ) { /* It's a pathname */ if( !PyArg_Parse(v, "O&", PyMac_GetStr255, &path) ) return 0; refnum = 0; /* XXXX Should get CurWD here?? */ parid = 0; err = FSMakeFSSpec(refnum, parid, path, spec); if ( err && err != fnfErr ) { PyMac_Error(err); return 0; } return 1; } PyErr_Clear(); #endif /* Otherwise we try to go via an FSRef. On OSX we go all the way, ** on OS9 we accept only a real FSRef object */ #if TARGET_API_MAC_OSX if ( PyMac_GetFSRef(v, &fsr) ) { #else if ( PyArg_Parse(v, "O&", FSRef_Convert, &fsr) ) { #endif err = FSGetCatalogInfo(&fsr, kFSCatInfoNone, NULL, NULL, spec, NULL); if (err != noErr) { PyMac_Error(err); return 0; } return 1; } #if !TARGET_API_MAC_OSX PyErr_SetString(PyExc_TypeError, "FSSpec, FSRef, pathname or (refnum, parid, path) required"); #endif return 0; } int PyMac_GetFSRef(PyObject *v, FSRef *fsr) { OSStatus err; FSSpec fss; if (FSRef_Check(v)) { *fsr = ((FSRefObject *)v)->ob_itself; return 1; } #if TARGET_API_MAC_OSX /* On OSX we now try a pathname */ if ( PyString_Check(v) ) { if ( (err=FSPathMakeRef(PyString_AsString(v), fsr, NULL)) ) { PyMac_Error(err); return 0; } return 1; } /* XXXX Should try unicode here too */ #endif /* Otherwise we try to go via an FSSpec */ #if TARGET_API_MAC_OSX if (FSSpec_Check(v)) { fss = ((FSSpecObject *)v)->ob_itself; #else if (PyMac_GetFSSpec(v, &fss)) { #endif if ((err=FSpMakeFSRef(&fss, fsr)) == 0) return 1; PyMac_Error(err); return 0; } PyErr_SetString(PyExc_TypeError, "FSRef, FSSpec or pathname required"); return 0; } extern PyObject * PyMac_BuildFSSpec(FSSpec *spec) { return FSSpec_New(spec); } extern PyObject * PyMac_BuildFSRef(FSRef *spec) { return FSRef_New(spec); } """ initstuff = initstuff + """ PyMac_INIT_TOOLBOX_OBJECT_NEW(FSSpec *, PyMac_BuildFSSpec); PyMac_INIT_TOOLBOX_OBJECT_NEW(FSRef *, PyMac_BuildFSRef); PyMac_INIT_TOOLBOX_OBJECT_CONVERT(FSSpec, PyMac_GetFSSpec); PyMac_INIT_TOOLBOX_OBJECT_CONVERT(FSRef, PyMac_GetFSRef); """ execfile(string.lower(MODPREFIX) + 'typetest.py') # Our object types: class FSCatalogInfoDefinition(PEP253Mixin, ObjectDefinition): getsetlist = [ ("nodeFlags", "return Py_BuildValue(\"H\", self->ob_itself.nodeFlags);", "return PyArg_Parse(v, \"H\", &self->ob_itself.nodeFlags)-1;", None ), ("volume", "return Py_BuildValue(\"h\", self->ob_itself.volume);", "return PyArg_Parse(v, \"h\", &self->ob_itself.volume)-1;", None ), ("parentDirID", "return Py_BuildValue(\"l\", self->ob_itself.parentDirID);", "return PyArg_Parse(v, \"l\", &self->ob_itself.parentDirID)-1;", None ), ("nodeID", "return Py_BuildValue(\"l\", self->ob_itself.nodeID);", "return PyArg_Parse(v, \"l\", &self->ob_itself.nodeID)-1;", None ), ("createDate", "return Py_BuildValue(\"O&\", UTCDateTime_New, &self->ob_itself.createDate);", "return PyArg_Parse(v, \"O&\", UTCDateTime_Convert, &self->ob_itself.createDate)-1;", None ), ("contentModDate", "return Py_BuildValue(\"O&\", UTCDateTime_New, &self->ob_itself.contentModDate);", "return PyArg_Parse(v, \"O&\", UTCDateTime_Convert, &self->ob_itself.contentModDate)-1;", None ), ("attributeModDate", "return Py_BuildValue(\"O&\", UTCDateTime_New, &self->ob_itself.attributeModDate);", "return PyArg_Parse(v, \"O&\", UTCDateTime_Convert, &self->ob_itself.attributeModDate)-1;", None ), ("accessDate", "return Py_BuildValue(\"O&\", UTCDateTime_New, &self->ob_itself.accessDate);", "return PyArg_Parse(v, \"O&\", UTCDateTime_Convert, &self->ob_itself.accessDate)-1;", None ), ("backupDate", "return Py_BuildValue(\"O&\", UTCDateTime_New, &self->ob_itself.backupDate);", "return PyArg_Parse(v, \"O&\", UTCDateTime_Convert, &self->ob_itself.backupDate)-1;", None ), ("permissions", "return Py_BuildValue(\"(llll)\", self->ob_itself.permissions[0], self->ob_itself.permissions[1], self->ob_itself.permissions[2], self->ob_itself.permissions[3]);", "return PyArg_Parse(v, \"(llll)\", &self->ob_itself.permissions[0], &self->ob_itself.permissions[1], &self->ob_itself.permissions[2], &self->ob_itself.permissions[3])-1;", None ), # XXXX FinderInfo TBD # XXXX FinderXInfo TBD ("valence", "return Py_BuildValue(\"l\", self->ob_itself.valence);", "return PyArg_Parse(v, \"l\", &self->ob_itself.valence)-1;", None ), ("dataLogicalSize", "return Py_BuildValue(\"l\", self->ob_itself.dataLogicalSize);", "return PyArg_Parse(v, \"l\", &self->ob_itself.dataLogicalSize)-1;", None ), ("dataPhysicalSize", "return Py_BuildValue(\"l\", self->ob_itself.dataPhysicalSize);", "return PyArg_Parse(v, \"l\", &self->ob_itself.dataPhysicalSize)-1;", None ), ("rsrcLogicalSize", "return Py_BuildValue(\"l\", self->ob_itself.rsrcLogicalSize);", "return PyArg_Parse(v, \"l\", &self->ob_itself.rsrcLogicalSize)-1;", None ), ("rsrcPhysicalSize", "return Py_BuildValue(\"l\", self->ob_itself.rsrcPhysicalSize);", "return PyArg_Parse(v, \"l\", &self->ob_itself.rsrcPhysicalSize)-1;", None ), ("sharingFlags", "return Py_BuildValue(\"l\", self->ob_itself.sharingFlags);", "return PyArg_Parse(v, \"l\", &self->ob_itself.sharingFlags)-1;", None ), ("userPrivileges", "return Py_BuildValue(\"b\", self->ob_itself.userPrivileges);", "return PyArg_Parse(v, \"b\", &self->ob_itself.userPrivileges)-1;", None ), ] # The same info, but in a different form INITFORMAT = "HhllO&O&O&O&O&llllllb" INITARGS = """&((FSCatalogInfoObject *)self)->ob_itself.nodeFlags, &((FSCatalogInfoObject *)self)->ob_itself.volume, &((FSCatalogInfoObject *)self)->ob_itself.parentDirID, &((FSCatalogInfoObject *)self)->ob_itself.nodeID, UTCDateTime_Convert, &((FSCatalogInfoObject *)self)->ob_itself.createDate, UTCDateTime_Convert, &((FSCatalogInfoObject *)self)->ob_itself.contentModDate, UTCDateTime_Convert, &((FSCatalogInfoObject *)self)->ob_itself.attributeModDate, UTCDateTime_Convert, &((FSCatalogInfoObject *)self)->ob_itself.accessDate, UTCDateTime_Convert, &((FSCatalogInfoObject *)self)->ob_itself.backupDate, &((FSCatalogInfoObject *)self)->ob_itself.valence, &((FSCatalogInfoObject *)self)->ob_itself.dataLogicalSize, &((FSCatalogInfoObject *)self)->ob_itself.dataPhysicalSize, &((FSCatalogInfoObject *)self)->ob_itself.rsrcLogicalSize, &((FSCatalogInfoObject *)self)->ob_itself.rsrcPhysicalSize, &((FSCatalogInfoObject *)self)->ob_itself.sharingFlags, &((FSCatalogInfoObject *)self)->ob_itself.userPrivileges""" INITNAMES = """ "nodeFlags", "volume", "parentDirID", "nodeID", "createDate", "contentModDate", "atributeModDate", "accessDate", "backupDate", "valence", "dataLogicalSize", "dataPhysicalSize", "rsrcLogicalSize", "rsrcPhysicalSize", "sharingFlags", "userPrivileges" """ def __init__(self, name, prefix, itselftype): ObjectDefinition.__init__(self, name, prefix, itselftype) self.argref = "*" # Store FSSpecs, but pass them by address def outputCheckNewArg(self): Output("if (itself == NULL) return Py_None;") def output_tp_newBody(self): Output("PyObject *self;"); Output() Output("if ((self = type->tp_alloc(type, 0)) == NULL) return NULL;") Output("memset(&((%s *)self)->ob_itself, 0, sizeof(%s));", self.objecttype, self.itselftype) Output("return self;") def output_tp_initBody(self): Output("static char *kw[] = {%s, 0};", self.INITNAMES) Output() Output("if (!PyArg_ParseTupleAndKeywords(args, kwds, \"|%s\", kw, %s))", self.INITFORMAT, self.INITARGS) OutLbrace() Output("return -1;") OutRbrace() Output("return 0;") class FInfoDefinition(PEP253Mixin, ObjectDefinition): getsetlist = [ ("Type", "return Py_BuildValue(\"O&\", PyMac_BuildOSType, self->ob_itself.fdType);", "return PyArg_Parse(v, \"O&\", PyMac_GetOSType, &self->ob_itself.fdType)-1;", "4-char file type" ), ("Creator", "return Py_BuildValue(\"O&\", PyMac_BuildOSType, self->ob_itself.fdCreator);", "return PyArg_Parse(v, \"O&\", PyMac_GetOSType, &self->ob_itself.fdCreator)-1;", "4-char file creator" ), ("Flags", "return Py_BuildValue(\"H\", self->ob_itself.fdFlags);", "return PyArg_Parse(v, \"H\", &self->ob_itself.fdFlags)-1;", "Finder flag bits" ), ("Location", "return Py_BuildValue(\"O&\", PyMac_BuildPoint, self->ob_itself.fdLocation);", "return PyArg_Parse(v, \"O&\", PyMac_GetPoint, &self->ob_itself.fdLocation)-1;", "(x, y) location of the file's icon in its parent finder window" ), ("Fldr", "return Py_BuildValue(\"h\", self->ob_itself.fdFldr);", "return PyArg_Parse(v, \"h\", &self->ob_itself.fdFldr)-1;", "Original folder, for 'put away'" ), ] def __init__(self, name, prefix, itselftype): ObjectDefinition.__init__(self, name, prefix, itselftype) self.argref = "*" # Store FSSpecs, but pass them by address def outputCheckNewArg(self): Output("if (itself == NULL) return PyMac_Error(resNotFound);") def output_tp_newBody(self): Output("PyObject *self;"); Output() Output("if ((self = type->tp_alloc(type, 0)) == NULL) return NULL;") Output("memset(&((%s *)self)->ob_itself, 0, sizeof(%s));", self.objecttype, self.itselftype) Output("return self;") def output_tp_initBody(self): Output("%s *itself = NULL;", self.itselftype) Output("static char *kw[] = {\"itself\", 0};") Output() Output("if (PyArg_ParseTupleAndKeywords(args, kwds, \"|O&\", kw, FInfo_Convert, &itself))") OutLbrace() Output("if (itself) memcpy(&((%s *)self)->ob_itself, itself, sizeof(%s));", self.objecttype, self.itselftype) Output("return 0;") OutRbrace() Output("return -1;") class FSSpecDefinition(PEP253Mixin, ObjectDefinition): getsetlist = [ ("data", "return PyString_FromStringAndSize((char *)&self->ob_itself, sizeof(self->ob_itself));", None, "Raw data of the FSSpec object" ) ] def __init__(self, name, prefix, itselftype): ObjectDefinition.__init__(self, name, prefix, itselftype) self.argref = "*" # Store FSSpecs, but pass them by address def outputCheckNewArg(self): Output("if (itself == NULL) return PyMac_Error(resNotFound);") # We do Convert ourselves (with PyMac_GetFSxxx) def outputConvert(self): pass def output_tp_newBody(self): Output("PyObject *self;"); Output() Output("if ((self = type->tp_alloc(type, 0)) == NULL) return NULL;") Output("memset(&((%s *)self)->ob_itself, 0, sizeof(%s));", self.objecttype, self.itselftype) Output("return self;") def output_tp_initBody(self): Output("PyObject *v = NULL;") Output("char *rawdata = NULL;") Output("int rawdatalen = 0;") Output("static char *kw[] = {\"itself\", \"rawdata\", 0};") Output() Output("if (!PyArg_ParseTupleAndKeywords(args, kwds, \"|Os#\", kw, &v, &rawdata, &rawdatalen))") Output("return -1;") Output("if (v && rawdata)") OutLbrace() Output("PyErr_SetString(PyExc_TypeError, \"Only one of itself or rawdata may be specified\");") Output("return -1;") OutRbrace() Output("if (!v && !rawdata)") OutLbrace() Output("PyErr_SetString(PyExc_TypeError, \"One of itself or rawdata must be specified\");") Output("return -1;") OutRbrace() Output("if (rawdata)") OutLbrace() Output("if (rawdatalen != sizeof(%s))", self.itselftype) OutLbrace() Output("PyErr_SetString(PyExc_TypeError, \"%s rawdata incorrect size\");", self.itselftype) Output("return -1;") OutRbrace() Output("memcpy(&((%s *)self)->ob_itself, rawdata, rawdatalen);", self.objecttype) Output("return 0;") OutRbrace() Output("if (PyMac_GetFSSpec(v, &((%s *)self)->ob_itself)) return 0;", self.objecttype) Output("return -1;") def outputRepr(self): Output() Output("static PyObject * %s_repr(%s *self)", self.prefix, self.objecttype) OutLbrace() Output("char buf[512];") Output("""PyOS_snprintf(buf, sizeof(buf), \"%%s((%%d, %%ld, '%%.*s'))\", self->ob_type->tp_name, self->ob_itself.vRefNum, self->ob_itself.parID, self->ob_itself.name[0], self->ob_itself.name+1);""") Output("return PyString_FromString(buf);") OutRbrace() class FSRefDefinition(PEP253Mixin, ObjectDefinition): getsetlist = [ ("data", "return PyString_FromStringAndSize((char *)&self->ob_itself, sizeof(self->ob_itself));", None, "Raw data of the FSRef object" ) ] def __init__(self, name, prefix, itselftype): ObjectDefinition.__init__(self, name, prefix, itselftype) self.argref = "*" # Store FSRefs, but pass them by address def outputCheckNewArg(self): Output("if (itself == NULL) return PyMac_Error(resNotFound);") # We do Convert ourselves (with PyMac_GetFSxxx) def outputConvert(self): pass def output_tp_newBody(self): Output("PyObject *self;"); Output() Output("if ((self = type->tp_alloc(type, 0)) == NULL) return NULL;") Output("memset(&((%s *)self)->ob_itself, 0, sizeof(%s));", self.objecttype, self.itselftype) Output("return self;") def output_tp_initBody(self): Output("PyObject *v = NULL;") Output("char *rawdata = NULL;") Output("int rawdatalen = 0;") Output("static char *kw[] = {\"itself\", \"rawdata\", 0};") Output() Output("if (!PyArg_ParseTupleAndKeywords(args, kwds, \"|Os#\", kw, &v, &rawdata, &rawdatalen))") Output("return -1;") Output("if (v && rawdata)") OutLbrace() Output("PyErr_SetString(PyExc_TypeError, \"Only one of itself or rawdata may be specified\");") Output("return -1;") OutRbrace() Output("if (!v && !rawdata)") OutLbrace() Output("PyErr_SetString(PyExc_TypeError, \"One of itself or rawdata must be specified\");") Output("return -1;") OutRbrace() Output("if (rawdata)") OutLbrace() Output("if (rawdatalen != sizeof(%s))", self.itselftype) OutLbrace() Output("PyErr_SetString(PyExc_TypeError, \"%s rawdata incorrect size\");", self.itselftype) Output("return -1;") OutRbrace() Output("memcpy(&((%s *)self)->ob_itself, rawdata, rawdatalen);", self.objecttype) Output("return 0;") OutRbrace() Output("if (PyMac_GetFSRef(v, &((%s *)self)->ob_itself)) return 0;", self.objecttype) Output("return -1;") class AliasDefinition(PEP253Mixin, ObjectDefinition): # XXXX Should inherit from resource? getsetlist = [ ("data", """int size; PyObject *rv; size = GetHandleSize((Handle)self->ob_itself); HLock((Handle)self->ob_itself); rv = PyString_FromStringAndSize(*(Handle)self->ob_itself, size); HUnlock((Handle)self->ob_itself); return rv; """, None, "Raw data of the alias object" ) ] def outputCheckNewArg(self): Output("if (itself == NULL) return PyMac_Error(resNotFound);") def outputStructMembers(self): ObjectDefinition.outputStructMembers(self) Output("void (*ob_freeit)(%s ptr);", self.itselftype) def outputInitStructMembers(self): ObjectDefinition.outputInitStructMembers(self) Output("it->ob_freeit = NULL;") def outputCleanupStructMembers(self): Output("if (self->ob_freeit && self->ob_itself)") OutLbrace() Output("self->ob_freeit(self->ob_itself);") OutRbrace() Output("self->ob_itself = NULL;") def output_tp_newBody(self): Output("PyObject *self;"); Output() Output("if ((self = type->tp_alloc(type, 0)) == NULL) return NULL;") Output("((%s *)self)->ob_itself = NULL;", self.objecttype) Output("return self;") def output_tp_initBody(self): Output("%s itself = NULL;", self.itselftype) Output("char *rawdata = NULL;") Output("int rawdatalen = 0;") Output("Handle h;") Output("static char *kw[] = {\"itself\", \"rawdata\", 0};") Output() Output("if (!PyArg_ParseTupleAndKeywords(args, kwds, \"|O&s#\", kw, %s_Convert, &itself, &rawdata, &rawdatalen))", self.prefix) Output("return -1;") Output("if (itself && rawdata)") OutLbrace() Output("PyErr_SetString(PyExc_TypeError, \"Only one of itself or rawdata may be specified\");") Output("return -1;") OutRbrace() Output("if (!itself && !rawdata)") OutLbrace() Output("PyErr_SetString(PyExc_TypeError, \"One of itself or rawdata must be specified\");") Output("return -1;") OutRbrace() Output("if (rawdata)") OutLbrace() Output("if ((h = NewHandle(rawdatalen)) == NULL)") OutLbrace() Output("PyErr_NoMemory();") Output("return -1;") OutRbrace() Output("HLock(h);") Output("memcpy((char *)*h, rawdata, rawdatalen);") Output("HUnlock(h);") Output("((%s *)self)->ob_itself = (%s)h;", self.objecttype, self.itselftype) Output("return 0;") OutRbrace() Output("((%s *)self)->ob_itself = itself;", self.objecttype) Output("return 0;") # Alias methods come in two flavors: those with the alias as arg1 and # those with the alias as arg 2. class Arg2MethodGenerator(OSErrMethodGenerator): """Similar to MethodGenerator, but has self as second argument""" def parseArgumentList(self, args): args0, arg1, argsrest = args[:1], args[1], args[2:] t0, n0, m0 = arg1 args = args0 + argsrest if m0 != InMode: raise ValueError, "method's 'self' must be 'InMode'" self.itself = Variable(t0, "_self->ob_itself", SelfMode) FunctionGenerator.parseArgumentList(self, args) self.argumentList.insert(2, self.itself) # From here on it's basically all boiler plate... # Create the generator groups and link them module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff, longname=LONGMODNAME) fscataloginfoobject = FSCatalogInfoDefinition('FSCatalogInfo', 'FSCatalogInfo', 'FSCatalogInfo') finfoobject = FInfoDefinition('FInfo', 'FInfo', 'FInfo') aliasobject = AliasDefinition('Alias', 'Alias', 'AliasHandle') fsspecobject = FSSpecDefinition('FSSpec', 'FSSpec', 'FSSpec') fsrefobject = FSRefDefinition('FSRef', 'FSRef', 'FSRef') module.addobject(fscataloginfoobject) module.addobject(finfoobject) module.addobject(aliasobject) module.addobject(fsspecobject) module.addobject(fsrefobject) # Create the generator classes used to populate the lists Function = OSErrFunctionGenerator Method = OSErrMethodGenerator # Create and populate the lists functions = [] alias_methods = [] fsref_methods = [] fsspec_methods = [] execfile(INPUTFILE) # Manual generators: FSRefMakePath_body = """ OSStatus _err; #define MAXPATHNAME 1024 UInt8 path[MAXPATHNAME]; UInt32 maxPathSize = MAXPATHNAME; if (!PyArg_ParseTuple(_args, "")) return NULL; _err = FSRefMakePath(&_self->ob_itself, path, maxPathSize); if (_err != noErr) return PyMac_Error(_err); _res = Py_BuildValue("s", path); return _res; """ f = ManualGenerator("FSRefMakePath", FSRefMakePath_body) f.docstring = lambda: "() -> string" fsref_methods.append(f) FSRef_as_pathname_body = """ #if TARGET_API_MAC_OSX if (!PyArg_ParseTuple(_args, "")) return NULL; _res = FSRef_FSRefMakePath(_self, _args); #else char strbuf[1024]; OSErr err; FSSpec fss; if (!PyArg_ParseTuple(_args, "")) return NULL; if ( !PyMac_GetFSSpec((PyObject *)_self, &fss)) return NULL; err = PyMac_GetFullPathname(&fss, strbuf, sizeof(strbuf)); if ( err ) { PyMac_Error(err); return NULL; } _res = PyString_FromString(strbuf); #endif return _res; """ f = ManualGenerator("as_pathname", FSRef_as_pathname_body) f.docstring = lambda: "() -> string" fsref_methods.append(f) FSSpec_as_pathname_body = """ char strbuf[1024]; OSErr err; if (!PyArg_ParseTuple(_args, "")) return NULL; err = PyMac_GetFullPathname(&_self->ob_itself, strbuf, sizeof(strbuf)); if ( err ) { PyMac_Error(err); return NULL; } _res = PyString_FromString(strbuf); return _res; """ f = ManualGenerator("as_pathname", FSSpec_as_pathname_body) f.docstring = lambda: "() -> string" fsspec_methods.append(f) FSSpec_as_tuple_body = """ if (!PyArg_ParseTuple(_args, "")) return NULL; _res = Py_BuildValue("(iis#)", _self->ob_itself.vRefNum, _self->ob_itself.parID, &_self->ob_itself.name[1], _self->ob_itself.name[0]); return _res; """ f = ManualGenerator("as_tuple", FSSpec_as_tuple_body) f.docstring = lambda: "() -> (vRefNum, dirID, name)" fsspec_methods.append(f) pathname_body = """ PyObject *obj; if (!PyArg_ParseTuple(_args, "O", &obj)) return NULL; if (PyString_Check(obj)) { Py_INCREF(obj); return obj; } if (PyUnicode_Check(obj)) return PyUnicode_AsEncodedString(obj, "utf8", "strict"); _res = PyObject_CallMethod(obj, "as_pathname", NULL); return _res; """ f = ManualGenerator("pathname", pathname_body) f.docstring = lambda: "(str|unicode|FSSpec|FSref) -> pathname" 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 alias_methods: aliasobject.add(f) for f in fsspec_methods: fsspecobject.add(f) for f in fsref_methods: fsrefobject.add(f) # generate output (open the output file as late as possible) SetOutputFileName(OUTPUTFILE) module.generate()