Interface to GetIcon, PlotIcon and friends.

Mac/Modules/icn/icnscan.py

+# Scan an Apple header file, generating a Python file of generator calls.
+
+import sys
+import os
+BGENDIR=os.path.join(sys.prefix, ':Tools:bgen:bgen')
+sys.path.append(BGENDIR)
+from scantools import Scanner
+from bgenlocations import TOOLBOXDIR
+
+LONG = "Icons"
+SHORT = "icn"
+OBJECT = "NOTUSED"
+
+def main():
+	input = LONG + ".h"
+	output = SHORT + "gen.py"
+	defsoutput = TOOLBOXDIR + LONG + ".py"
+	scanner = MyScanner(input, output, defsoutput)
+	scanner.scan()
+	scanner.close()
+	print "=== Done scanning and generating, now importing the generated code... ==="
+	exec "import " + SHORT + "support"
+	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]
+			# This is non-functional today
+			if t == OBJECT and m == "InMode":
+				classname = "Method"
+				listname = "methods"
+		return classname, listname
+
+	def makeblacklistnames(self):
+		return [
+			"GetIconCacheData",
+			"SetIconCacheData",
+			]
+
+	def makeblacklisttypes(self):
+		return [
+			"IconActionUPP",
+			"IconGetterUPP",
+			]
+
+	def makerepairinstructions(self):
+		return [
+			]
+			
+if __name__ == "__main__":
+	main()

Mac/Modules/icn/icnsupport.py

+# 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
+MACHEADERFILE = 'Icons.h'		# The Apple header file
+MODNAME = 'Icn'				# The name of the module
+OBJECTNAME = 'Icon'			# The basic name of the objects used here
+KIND = 'Handle'				# Usually 'Ptr' or 'Handle'
+
+# The following is *usually* unchanged but may still require tuning
+MODPREFIX = MODNAME			# 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
+CIconHandle = OpaqueByValueType("CIconHandle", "ResObj")
+IconSuiteRef = OpaqueByValueType("IconSuiteRef", "ResObj")
+IconCacheRef = OpaqueByValueType("IconCacheRef", "ResObj")
+RgnHandle = OpaqueByValueType("RgnHandle", "ResObj")
+IconAlignmentType = Type("IconAlignmentType", "h")
+IconTransformType = Type("IconTransformType", "h")
+IconSelectorValue = Type("IconSelectorValue", "l")
+RGBColor = OpaqueType("RGBColor", "QdRGB")
+
+#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 <%s>""" % MACHEADERFILE + """
+
+/* Exported by Qdmodule.c: */
+extern PyObject *QdRGB_New(RGBColor *);
+extern int QdRGB_Convert(PyObject *, RGBColor *);
+
+#define resNotFound -192 /* Can't include <Errors.h> because of Python's "errors.h" */
+"""
+
+class MyObjectDefinition(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()
+