cpython/Mac/Modules/cg/cgscan.py

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

import sys
import os
from bgenlocations import TOOLBOXDIR, BGENDIR
sys.path.append(BGENDIR)
from scantools import Scanner_OSX

LONG = "CoreGraphics"
SHORT = "cg"
OBJECTS = ("CGContextRef", 
		)
# ADD object typenames here

def main():
	input = [
		"CGContext.h",
	]
	output = SHORT + "gen.py"
	defsoutput = TOOLBOXDIR + LONG + ".py"
	scanner = MyScanner(input, output, defsoutput)
	scanner.scan()
	scanner.gentypetest(SHORT+"typetest.py")
	scanner.close()
	print "=== Testing definitions output code ==="
	execfile(defsoutput, {}, {})
	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_OSX):

	def destination(self, type, name, arglist):
		classname = "Function"
		listname = "functions"
		if arglist:
			t, n, m = arglist[0]
			if t in OBJECTS and m == "InMode":
				classname = "Method"
				listname = t + "_methods"
			# Special case for the silly first AllocatorRef argument
			if t == 'CFAllocatorRef' and m == 'InMode' and len(arglist) > 1:
				t, n, m = arglist[1]
				if t in OBJECTS and m == "InMode":
					classname = "MethodSkipArg1"
					listname = t + "_methods"
		return classname, listname

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

	def makeblacklistnames(self):
		return [
			"CGContextRetain",
			"CGContextRelease",
			]

	def makegreylist(self):
		return []

	def makeblacklisttypes(self):
		return [
			"float_ptr",
			"CGRect_ptr",
			"CGPoint_ptr",
			"CGColorSpaceRef",
			"CGColorRenderingIntent",
			"CGFontRef",
#			"char_ptr",
			"CGGlyph_ptr",
			"CGImageRef",
			"CGPDFDocumentRef",
			]

	def makerepairinstructions(self):
		return [
			([("char_ptr", "cstring", "InMode"), ("size_t", "length", "InMode")],
			 [("InBuffer", "*", "*")]),
#			([("char_ptr", "name", "InMode"),],
#			 [("CCCCC", "*", "*")]),
			]
			
if __name__ == "__main__":
	main()