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			142 lines
		
	
	
	
		
			4.3 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			142 lines
		
	
	
	
		
			4.3 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
# Scan an Apple header file, generating a Python file of generator calls.
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import sys
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import os
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from bgenlocations import TOOLBOXDIR, BGENDIR
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sys.path.append(BGENDIR)
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from scantools import Scanner_OSX
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LONG = "CoreFoundation"
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SHORT = "cf"
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OBJECTS = ("CFTypeRef", 
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		"CFArrayRef", "CFMutableArrayRef",
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		"CFDataRef", "CFMutableDataRef",
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		"CFDictionaryRef", "CFMutableDictionaryRef",
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		"CFStringRef", "CFMutableStringRef",
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		"CFURLRef",
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##		"CFPropertyListRef",
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		)
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# ADD object typenames here
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def main():
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	input = [
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		"CFBase.h",
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		"CFArray.h",
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##		"CFBag.h",
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##		"CFBundle.h",
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##		"CFCharacterSet.h",
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		"CFData.h",
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##		"CFDate.h",
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		"CFDictionary.h",
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##		"CFNumber.h",
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##		"CFPlugIn.h",
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		"CFPreferences.h",
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		"CFPropertyList.h",
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##		"CFSet.h",
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		"CFString.h",
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##		"CFStringEncodingExt.h",
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##		"CFTimeZone.h",
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		"CFURL.h",
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		]
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	output = SHORT + "gen.py"
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	defsoutput = TOOLBOXDIR + LONG + ".py"
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	scanner = MyScanner(input, output, defsoutput)
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	scanner.scan()
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	scanner.gentypetest(SHORT+"typetest.py")
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	scanner.close()
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	print "=== Testing definitions output code ==="
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	execfile(defsoutput, {}, {})
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	print "=== Done scanning and generating, now importing the generated code... ==="
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	exec "import " + SHORT + "support"
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	print "=== Done.  It's up to you to compile it now! ==="
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class MyScanner(Scanner_OSX):
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	def destination(self, type, name, arglist):
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		classname = "Function"
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		listname = "functions"
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		if arglist and name[:13] != 'CFPreferences':
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			t, n, m = arglist[0]
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			if t in OBJECTS and m == "InMode":
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				classname = "Method"
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				listname = t + "_methods"
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			# Special case for the silly first AllocatorRef argument
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			if t == 'CFAllocatorRef' and m == 'InMode' and len(arglist) > 1:
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				t, n, m = arglist[1]
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				if t in OBJECTS and m == "InMode":
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					classname = "MethodSkipArg1"
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					listname = t + "_methods"
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		return classname, listname
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	def writeinitialdefs(self):
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		self.defsfile.write("def FOUR_CHAR_CODE(x): return x\n")
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	def makeblacklistnames(self):
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		return [
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			# Memory allocator functions
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			"CFAllocatorGetDefault",
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			"CFAllocatorSetDefault",
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			"CFAllocatorAllocate",
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			"CFAllocatorReallocate",
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			"CFAllocatorDeallocate",
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			"CFGetAllocator",
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			# Array functions we skip for now.
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			"CFArrayGetValueAtIndex",
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			# Data pointer functions. Skip for now.
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			"CFDataGetBytePtr",
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			"CFDataGetMutableBytePtr",
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			"CFDataGetBytes",   # XXXX Should support this one
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			# String functions
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			"CFStringGetPascalString", # Use the C-string methods.
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			"CFStringGetPascalStringPtr", # TBD automatically
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			"CFStringGetCStringPtr", 
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			"CFStringGetCharactersPtr",
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			"CFStringGetCString", 
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			"CFStringGetCharacters",
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			"CFURLCreateStringWithFileSystemPath", # Gone in later releases
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			"CFStringCreateMutableWithExternalCharactersNoCopy", # Not a clue...
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			"CFStringSetExternalCharactersNoCopy",
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			"CFStringGetCharacterAtIndex", # No format for single unichars yet.
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			"kCFStringEncodingInvalidId", # incompatible constant declaration
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			"CFPropertyListCreateFromXMLData", # Manually generated
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			]
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	def makegreylist(self):
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		return []
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	def makeblacklisttypes(self):
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		return [
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			"CFComparatorFunction", # Callback function pointer
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			"CFAllocatorContext", # Not interested in providing our own allocator
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			"void_ptr_ptr",  # Tricky. This is the initializer for arrays...
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			"void_ptr", # Ditto for various array lookup methods
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			"CFArrayApplierFunction", # Callback function pointer
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			"CFDictionaryApplierFunction", # Callback function pointer
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			"va_list", # For printf-to-a-cfstring. Use Python.
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			"const_CFStringEncoding_ptr", # To be done, I guess
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			]
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	def makerepairinstructions(self):
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		return [
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			# Buffers in CF seem to be passed as UInt8 * normally.
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			([("UInt8_ptr", "*", "InMode"), ("CFIndex", "*", "InMode")],
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			 [("UcharInBuffer", "*", "*")]),
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			([("UniChar_ptr", "*", "InMode"), ("CFIndex", "*", "InMode")],
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			 [("UnicodeInBuffer", "*", "*")]),
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			# Some functions return a const char *. Don't worry, we won't modify it.
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			([("const_char_ptr", "*", "ReturnMode")],
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			 [("return_stringptr", "*", "*")]),
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			# base URLs are optional (pass None for NULL)
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			([("CFURLRef", "baseURL", "InMode")],
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			 [("OptionalCFURLRef", "*", "*")]),
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			# We handle CFPropertyListRef objects as plain CFTypeRef
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			([("CFPropertyListRef", "*", "*")],
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			 [("CFTypeRef", "*", "*")]),
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			]
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if __name__ == "__main__":
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	main()
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