Home | History | Annotate | Download | only in icn 
      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()
     91