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      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 = 'Fonts.h'               # The Apple header file
     10 MODNAME = '_Fm'                         # The name of the module
     11 
     12 # The following is *usually* unchanged but may still require tuning
     13 MODPREFIX = 'Fm'                        # The prefix for module-wide routines
     14 INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner
     15 OUTPUTFILE = MODNAME + "module.c"       # The file generated by this program
     16 
     17 from macsupport import *
     18 
     19 # Create the type objects
     20 
     21 class RevVarInputBufferType(VarInputBufferType):
     22     def passInput(self, name):
     23         return "%s__len__, %s__in__" % (name, name)
     24 
     25 TextBuffer = RevVarInputBufferType()
     26 
     27 
     28 includestuff = includestuff + """
     29 #include <Carbon/Carbon.h>
     30 
     31 
     32 /*
     33 ** Parse/generate ComponentDescriptor records
     34 */
     35 static PyObject *
     36 FMRec_New(FMetricRec *itself)
     37 {
     38 
     39         return Py_BuildValue("O&O&O&O&O&",
     40                 PyMac_BuildFixed, itself->ascent,
     41                 PyMac_BuildFixed, itself->descent,
     42                 PyMac_BuildFixed, itself->leading,
     43                 PyMac_BuildFixed, itself->widMax,
     44                 ResObj_New, itself->wTabHandle);
     45 }
     46 
     47 #if 0
     48 /* Not needed... */
     49 static int
     50 FMRec_Convert(PyObject *v, FMetricRec *p_itself)
     51 {
     52         return PyArg_ParseTuple(v, "O&O&O&O&O&",
     53                 PyMac_GetFixed, &itself->ascent,
     54                 PyMac_GetFixed, &itself->descent,
     55                 PyMac_GetFixed, &itself->leading,
     56                 PyMac_GetFixed, &itself->widMax,
     57                 ResObj_Convert, &itself->wTabHandle);
     58 }
     59 #endif
     60 
     61 """
     62 
     63 FMetricRecPtr = OpaqueType('FMetricRec', 'FMRec')
     64 
     65 # Create the generator groups and link them
     66 module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
     67 
     68 # Create the generator classes used to populate the lists
     69 Function = OSErrWeakLinkFunctionGenerator
     70 
     71 # Create and populate the lists
     72 functions = []
     73 execfile(INPUTFILE)
     74 
     75 # add the populated lists to the generator groups
     76 # (in a different wordl the scan program would generate this)
     77 for f in functions: module.add(f)
     78 
     79 # generate output (open the output file as late as possible)
     80 SetOutputFileName(OUTPUTFILE)
     81 module.generate()
     82