/Mac/Modules/fm/fmsupport.py
http://unladen-swallow.googlecode.com/ · Python · 81 lines · 53 code · 15 blank · 13 comment · 1 complexity · 6200f5d9afa3d5d5731c06e0dcd90c8f 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 = 'Fonts.h' # The Apple header file
- MODNAME = '_Fm' # The name of the module
- # The following is *usually* unchanged but may still require tuning
- MODPREFIX = 'Fm' # 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 *
- # Create the type objects
- class RevVarInputBufferType(VarInputBufferType):
- def passInput(self, name):
- return "%s__len__, %s__in__" % (name, name)
- TextBuffer = RevVarInputBufferType()
- includestuff = includestuff + """
- #include <Carbon/Carbon.h>
- /*
- ** Parse/generate ComponentDescriptor records
- */
- static PyObject *
- FMRec_New(FMetricRec *itself)
- {
- return Py_BuildValue("O&O&O&O&O&",
- PyMac_BuildFixed, itself->ascent,
- PyMac_BuildFixed, itself->descent,
- PyMac_BuildFixed, itself->leading,
- PyMac_BuildFixed, itself->widMax,
- ResObj_New, itself->wTabHandle);
- }
- #if 0
- /* Not needed... */
- static int
- FMRec_Convert(PyObject *v, FMetricRec *p_itself)
- {
- return PyArg_ParseTuple(v, "O&O&O&O&O&",
- PyMac_GetFixed, &itself->ascent,
- PyMac_GetFixed, &itself->descent,
- PyMac_GetFixed, &itself->leading,
- PyMac_GetFixed, &itself->widMax,
- ResObj_Convert, &itself->wTabHandle);
- }
- #endif
- """
- FMetricRecPtr = OpaqueType('FMetricRec', 'FMRec')
- # Create the generator groups and link them
- module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
- # Create the generator classes used to populate the lists
- Function = OSErrWeakLinkFunctionGenerator
- # Create and populate the lists
- functions = []
- 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)
- # generate output (open the output file as late as possible)
- SetOutputFileName(OUTPUTFILE)
- module.generate()