# 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

MODNAME = '_Help'                               # The name of the module

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

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

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

MODPREFIX = 'Help'                      # 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

MenuRef = OpaqueByValueType("MenuRef", "MenuObj")

MenuItemIndex = Type("MenuItemIndex", "H")

#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 = OSErrFunctionGenerator

##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()