/Mac/Modules/icn/icnsupport.py
http://unladen-swallow.googlecode.com/ · Python · 90 lines · 46 code · 16 blank · 28 comment · 1 complexity · a4919559a615d4f5dc540b425bcf6224 MD5 · raw file
- # 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).
- import string
- # Declarations that change for each manager
- MACHEADERFILE = 'Icons.h' # The Apple header file
- MODNAME = '_Icn' # The name of the module
- OBJECTNAME = 'Icon' # The basic name of the objects used here
- KIND = 'Handle' # Usually 'Ptr' or 'Handle'
- # The following is *usually* unchanged but may still require tuning
- MODPREFIX = 'Icn' # The prefix for module-wide routines
- OBJECTTYPE = OBJECTNAME + KIND # 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
- CIconHandle = OpaqueByValueType("CIconHandle", "ResObj")
- IconSuiteRef = OpaqueByValueType("IconSuiteRef", "ResObj")
- IconCacheRef = OpaqueByValueType("IconCacheRef", "ResObj")
- IconRef = OpaqueByValueType("IconRef", "ResObj")
- IconFamilyHandle = OpaqueByValueType("IconFamilyHandle", "ResObj")
- RgnHandle = OpaqueByValueType("RgnHandle", "ResObj")
- IconAlignmentType = Type("IconAlignmentType", "h")
- IconTransformType = Type("IconTransformType", "h")
- IconSelectorValue = Type("IconSelectorValue", "l")
- IconServicesUsageFlags = Type("IconServicesUsageFlags", "l")
- RGBColor = OpaqueType("RGBColor", "QdRGB")
- CGContextRef = OpaqueByValueType("CGContextRef", "CGContextRefObj")
- #WindowPeek = OpaqueByValueType("WindowPeek", OBJECTPREFIX)
- # RgnHandle = FakeType("(RgnHandle)0")
- # XXXX Should be next, but this will break a lot of code...
- # RgnHandle = OpaqueByValueType("RgnHandle", "OptResObj")
- # KeyMap = ArrayOutputBufferType("KeyMap")
- #MacOSEventKind = Type("MacOSEventKind", "h") # Old-style
- #MacOSEventMask = Type("MacOSEventMask", "h") # Old-style
- #EventMask = Type("EventMask", "H")
- #EventKind = Type("EventKind", "H")
- includestuff = includestuff + """
- #include <Carbon/Carbon.h>
- """
- class MyObjectDefinition(PEP253Mixin, GlobalObjectDefinition):
- def outputCheckNewArg(self):
- Output("if (itself == NULL) return PyMac_Error(resNotFound);")
- def outputCheckConvertArg(self):
- OutLbrace("if (DlgObj_Check(v))")
- Output("*p_itself = ((WindowObject *)v)->ob_itself;")
- Output("return 1;")
- OutRbrace()
- Out("""
- if (v == Py_None) { *p_itself = NULL; return 1; }
- if (PyInt_Check(v)) { *p_itself = (WindowPtr)PyInt_AsLong(v); return 1; }
- """)
- # From here on it's basically all boiler plate...
- # Create the generator groups and link them
- module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
- ##object = MyObjectDefinition(OBJECTNAME, OBJECTPREFIX, OBJECTTYPE)
- ##module.addobject(object)
- # Create the generator classes used to populate the lists
- Function = OSErrWeakLinkFunctionGenerator
- ##Method = OSErrMethodGenerator
- # Create and populate the lists
- functions = []
- ##methods = []
- execfile(INPUTFILE)
- # 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 methods: object.add(f)
- # generate output (open the output file as late as possible)
- SetOutputFileName(OUTPUTFILE)
- module.generate()