80 lines
2.7 KiB
Python
80 lines
2.7 KiB
Python
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# This script generates a Python interface for an Apple Macintosh Manager.
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# It uses the "bgen" package to generate C code.
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# The function specifications are generated by scanning the mamager's header file,
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# using the "scantools" package (customized for this particular manager).
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import string
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# Declarations that change for each manager
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MACHEADERFILE = 'Movies.h' # The Apple header file
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MODNAME = 'qt' # The name of the module
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OBJECTNAME = 'Movie' # The basic name of the objects used here
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# The following is *usually* unchanged but may still require tuning
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MODPREFIX = MODNAME # The prefix for module-wide routines
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OBJECTTYPE = "Movie" # The C type used to represent them
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OBJECTPREFIX = MODPREFIX + 'Obj' # The prefix for object methods
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INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner
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OUTPUTFILE = MODNAME + "module.c" # The file generated by this program
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from macsupport import *
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# Create the type objects
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includestuff = includestuff + """
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#include <%s>""" % MACHEADERFILE + """
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"""
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Movie = OpaqueByValueType(OBJECTTYPE, OBJECTPREFIX)
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TimeValue = Type("TimeValue", "l")
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TimeScale = Type("TimeScale", "l")
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TimeBaseFlags = Type("TimeBaseFlags", "l")
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QTCallBackFlags = Type("QTCallBackFlags", "h")
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TimeBaseStatus = Type("TimeBaseStatus", "l")
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QTCallBackType = Type("QTCallBackType", "h")
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nextTimeFlagsEnum = Type("nextTimeFlagsEnum", "h")
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createMovieFileFlagsEnum = Type("createMovieFileFlagsEnum", "l")
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movieFlattenFlagsEnum = Type("movieFlattenFlagsEnum", "l")
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dataRefAttributesFlags = Type("dataRefAttributesFlags", "l")
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playHintsEnum = Type("playHintsEnum", "l")
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mediaHandlerFlagsEnum = Type("mediaHandlerFlagsEnum", "l")
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RgnHandle = OpaqueByValueType("RgnHandle", "ResObj")
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PicHandle = OpaqueByValueType("PicHandle", "ResObj")
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class MyObjectDefinition(GlobalObjectDefinition):
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def outputCheckNewArg(self):
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Output("""if (itself == NULL) {
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PyErr_SetString(Qt_Error,"Cannot create null Movie");
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return NULL;
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}""")
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def outputFreeIt(self, itselfname):
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Output("DisposeMovie(%s);", itselfname)
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# From here on it's basically all boiler plate...
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# Create the generator groups and link them
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module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
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object = MyObjectDefinition(OBJECTNAME, OBJECTPREFIX, OBJECTTYPE)
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module.addobject(object)
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# Create the generator classes used to populate the lists
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Function = FunctionGenerator
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Method = MethodGenerator
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# Create and populate the lists
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functions = []
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methods = []
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execfile(INPUTFILE)
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# add the populated lists to the generator groups
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# (in a different wordl the scan program would generate this)
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for f in functions: module.add(f)
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for f in methods: object.add(f)
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# generate output (open the output file as late as possible)
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SetOutputFileName(OUTPUTFILE)
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module.generate()
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