# Scan an Apple header file, generating a Python file of generator calls.

import sys

from bgenlocations import TOOLBOXDIR, BGENDIR

sys.path.append(BGENDIR)

from scantools import Scanner

def main():

    input = "MacWindows.h"

    output = "wingen.py"

    defsoutput = TOOLBOXDIR + "Windows.py"

    scanner = MyScanner(input, output, defsoutput)

    scanner.scan()

    scanner.close()

    print "=== Testing definitions output code ==="

    execfile(defsoutput, {}, {})

    print "=== Done scanning and generating, now importing the generated code... ==="

    import winsupport

    print "=== Done.  It's up to you to compile it now! ==="

class MyScanner(Scanner):

    def destination(self, type, name, arglist):

        classname = "Function"

        listname = "functions"

        if arglist:

            t, n, m = arglist[0]

            if t in ("WindowPtr", "WindowPeek", "WindowRef") and m == "InMode":

                classname = "Method"

                listname = "methods"

        return classname, listname

    def writeinitialdefs(self):

        self.defsfile.write("def FOUR_CHAR_CODE(x): return x\n")

        self.defsfile.write("false = 0\n")

        self.defsfile.write("true = 1\n")

        self.defsfile.write("kWindowNoConstrainAttribute = 0x80000000\n")

    def makeblacklistnames(self):

        return [

                'DisposeWindow', # Implied when the object is deleted

                'CloseWindow',

                'SetWindowProperty',    # For the moment

                'GetWindowProperty',

                'GetWindowPropertySize',

                'RemoveWindowProperty',

                'MacCloseWindow',

                'GetWindowList', # Don't know whether this is safe...

                # Constants with funny definitions

                'kMouseUpOutOfSlop',

                'kAllWindowClasses',

                'kWindowNoConstrainAttribute',

                # OS8 only:

                'GetAuxWin',

                'GetWindowDataHandle',

                'SaveOld',

                'DrawNew',

                'SetWinColor',

                'SetDeskCPat',

                'InitWindows',

                'InitFloatingWindows',

                'GetWMgrPort',

                'GetCWMgrPort',

                'ValidRgn',             # Use versions with Window in their name

                'ValidRect',

                'InvalRgn',

                'InvalRect',

                'IsValidWindowPtr', # I think this is useless for Python, but not sure...

                'GetWindowZoomFlag',    # Not available in Carbon

                'GetWindowTitleWidth',  # Ditto

                'GetWindowGoAwayFlag',

                'GetWindowSpareFlag',

                ]

    def makeblacklisttypes(self):

        return [

                'ProcPtr',

                'DragGrayRgnUPP',

                'WindowPaintUPP',

                'Collection',           # For now, to be done later

                'WindowDefSpec',        # Too difficult for now

                'WindowDefSpec_ptr',

                'EventRef', #TBD

                ]

    def makerepairinstructions(self):

        return [

                # GetWTitle

                ([("Str255", "*", "InMode")],

                 [("*", "*", "OutMode")]),

                ([("void_ptr", "*", "InMode"), ("long", "*", "InMode")],

                 [("InBuffer", "*", "*")]),

                ([("void", "*", "OutMode"), ("long", "*", "InMode"),

                                            ("long", "*", "OutMode")],

                 [("VarVarOutBuffer", "*", "InOutMode")]),

                ([("void", "wStorage", "OutMode")],

                 [("NullStorage", "*", "InMode")]),

                # match FindWindowOfClass

                ([("WindowRef", "outWindow", "OutMode"), ("WindowPartCode", "outWindowPart", "OutMode")],

                 [("ExistingWindowPtr", "*", "OutMode"), ("WindowPartCode", "outWindowPart", "OutMode")]),

            # then match CreateNewWindow and CreateWindowFromResource

                ([("WindowRef", "outWindow", "OutMode")],

                 [("WindowRef", "*", "*")]),

                ([("WindowPtr", "*", "OutMode")],

                 [("ExistingWindowPtr", "*", "*")]),

                ([("WindowRef", "*", "OutMode")],       # Same, but other style headerfiles

                 [("ExistingWindowPtr", "*", "*")]),

                ([("WindowPtr", "FrontWindow", "ReturnMode")],

                 [("ExistingWindowPtr", "*", "*")]),

                ([("WindowRef", "FrontWindow", "ReturnMode")],  # Ditto

                 [("ExistingWindowPtr", "*", "*")]),

                ([("WindowPtr", "FrontNonFloatingWindow", "ReturnMode")],

                 [("ExistingWindowPtr", "*", "*")]),

                ([("WindowRef", "FrontNonFloatingWindow", "ReturnMode")],       # Ditto

                 [("ExistingWindowPtr", "*", "*")]),

                ([("Rect_ptr", "*", "ReturnMode")], # GetWindowXXXState accessors

                 [("void", "*", "ReturnMode")]),

                ]

if __name__ == "__main__":

    main()