Interface to the scrap manager

Mac/Modules/scrap/scrapsupport.py

@@ -0,0 +1,60 @@
+# 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).
+
+# NOTE: the scrap include file is so bad that the bgen output has to be
+# massaged by hand.
+
+import string
+
+# Declarations that change for each manager
+MACHEADERFILE = 'Scrap.h'		# The Apple header file
+MODNAME = 'Scrap'				# The name of the module
+
+# The following is *usually* unchanged but may still require tuning
+MODPREFIX = MODNAME			# 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
+
+includestuff = includestuff + """
+#include <%s>""" % MACHEADERFILE + """
+
+/*
+** Generate ScrapInfo records
+*/
+PyObject *SCRRec_New(itself)
+	ScrapStuff *itself;
+{
+
+	return Py_BuildValue("lO&hhO&", itself->scrapSize,
+		ResObj_New, itself->scrapHandle, itself->scrapCount, itself->scrapState,
+		PyMac_BuildStr255, itself->scrapName;
+}
+"""
+
+ScrapStuffPtr = OpaqueType('ScrapStuff', 'SCRRec')
+putscrapbuffer = FixedInputBufferType('void *')
+
+# Create the generator groups and link them
+module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
+
+# Create the generator classes used to populate the lists
+Function = OSErrFunctionGenerator
+
+# 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()
+