1 # This script generates a Python interface for an Apple Macintosh Manager.

     2 # It uses the "bgen" package to generate C code.

     3 # The function specifications are generated by scanning the mamager's header file,

     4 # using the "scantools" package (customized for this particular manager).

     5 

     6 import string

     7 

     8 # Declarations that change for each manager

     9 MACHEADERFILE = 'Icons.h'               # The Apple header file

    10 MODNAME = '_Icn'                                # The name of the module

    11 OBJECTNAME = 'Icon'                     # The basic name of the objects used here

    12 KIND = 'Handle'                         # Usually 'Ptr' or 'Handle'

    13 

    14 # The following is *usually* unchanged but may still require tuning

    15 MODPREFIX = 'Icn'                       # The prefix for module-wide routines

    16 OBJECTTYPE = OBJECTNAME + KIND          # The C type used to represent them

    17 OBJECTPREFIX = MODPREFIX + 'Obj'        # The prefix for object methods

    18 INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner

    19 OUTPUTFILE = MODNAME + "module.c"       # The file generated by this program

    20 

    21 from macsupport import *

    22 

    23 # Create the type objects

    24 CIconHandle = OpaqueByValueType("CIconHandle", "ResObj")

    25 IconSuiteRef = OpaqueByValueType("IconSuiteRef", "ResObj")

    26 IconCacheRef = OpaqueByValueType("IconCacheRef", "ResObj")

    27 IconRef = OpaqueByValueType("IconRef", "ResObj")

    28 IconFamilyHandle = OpaqueByValueType("IconFamilyHandle", "ResObj")

    29 RgnHandle = OpaqueByValueType("RgnHandle", "ResObj")

    30 IconAlignmentType = Type("IconAlignmentType", "h")

    31 IconTransformType = Type("IconTransformType", "h")

    32 IconSelectorValue = Type("IconSelectorValue", "l")

    33 IconServicesUsageFlags = Type("IconServicesUsageFlags", "l")

    34 RGBColor = OpaqueType("RGBColor", "QdRGB")

    35 CGContextRef = OpaqueByValueType("CGContextRef", "CGContextRefObj")

    36 

    37 #WindowPeek = OpaqueByValueType("WindowPeek", OBJECTPREFIX)

    38 

    39 # RgnHandle = FakeType("(RgnHandle)0")

    40 # XXXX Should be next, but this will break a lot of code...

    41 # RgnHandle = OpaqueByValueType("RgnHandle", "OptResObj")

    42 

    43 # KeyMap = ArrayOutputBufferType("KeyMap")

    44 #MacOSEventKind = Type("MacOSEventKind", "h") # Old-style

    45 #MacOSEventMask = Type("MacOSEventMask", "h") # Old-style

    46 #EventMask = Type("EventMask", "H")

    47 #EventKind = Type("EventKind", "H")

    48 

    49 includestuff = includestuff + """

    50 #include <Carbon/Carbon.h>

    51 

    52 """

    53 

    54 class MyObjectDefinition(PEP253Mixin, GlobalObjectDefinition):

    55     def outputCheckNewArg(self):

    56         Output("if (itself == NULL) return PyMac_Error(resNotFound);")

    57     def outputCheckConvertArg(self):

    58         OutLbrace("if (DlgObj_Check(v))")

    59         Output("*p_itself = ((WindowObject *)v)->ob_itself;")

    60         Output("return 1;")

    61         OutRbrace()

    62         Out("""

    63         if (v == Py_None) { *p_itself = NULL; return 1; }

    64         if (PyInt_Check(v)) { *p_itself = (WindowPtr)PyInt_AsLong(v); return 1; }

    65         """)

    66 

    67 # From here on it's basically all boiler plate...

    68 

    69 # Create the generator groups and link them

    70 module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)

    71 ##object = MyObjectDefinition(OBJECTNAME, OBJECTPREFIX, OBJECTTYPE)

    72 ##module.addobject(object)

    73 

    74 # Create the generator classes used to populate the lists

    75 Function = OSErrWeakLinkFunctionGenerator

    76 ##Method = OSErrMethodGenerator

    77 

    78 # Create and populate the lists

    79 functions = []

    80 ##methods = []

    81 execfile(INPUTFILE)

    82 

    83 # add the populated lists to the generator groups

    84 # (in a different wordl the scan program would generate this)

    85 for f in functions: module.add(f)

    86 ##for f in methods: object.add(f)

    87 

    88 # generate output (open the output file as late as possible)

    89 SetOutputFileName(OUTPUTFILE)

    90 module.generate()