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# 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_OSX
from bgenlocations import TOOLBOXDIR
LONG = "CoreFoundation"
SHORT = "cf"
OBJECTS = ("CFTypeRef",
"CFArrayRef", "CFMutableArrayRef",
"CFDataRef", "CFMutableDataRef",
"CFDictionaryRef", "CFMutableDictionaryRef",
"CFStringRef", "CFMutableStringRef",
"CFURLRef",
## "CFPropertyListRef",
)
# ADD object typenames here
def main():
input = [
"CFBase.h",
"CFArray.h",
## "CFBag.h",
## "CFBundle.h",
## "CFCharacterSet.h",
"CFData.h",
## "CFDate.h",
"CFDictionary.h",
## "CFNumber.h",
## "CFPlugIn.h",
## "CFPreferences.h",
"CFPropertyList.h",
## "CFSet.h",
"CFString.h",
## "CFStringEncodingExt.h",
## "CFTimeZone.h",
"CFURL.h",
]
output = SHORT + "gen.py"
defsoutput = TOOLBOXDIR + LONG + ".py"
scanner = MyScanner(input, output, defsoutput)
scanner.scan()
scanner.gentypetest(SHORT+"typetest.py")
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_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 [
# Memory allocator functions
"CFAllocatorGetDefault",
"CFAllocatorSetDefault",
"CFAllocatorAllocate",
"CFAllocatorReallocate",
"CFAllocatorDeallocate",
"CFGetAllocator",
# Array functions we skip for now.
"CFArrayGetValueAtIndex",
# Data pointer functions. Skip for now.
"CFDataGetBytePtr",
"CFDataGetMutableBytePtr",
"CFDataGetBytes", # XXXX Should support this one
# String functions
"CFStringGetPascalString", # Use the C-string methods.
"CFStringGetPascalStringPtr", # TBD automatically
"CFStringGetCStringPtr",
"CFStringGetCharactersPtr",
"CFStringGetCString",
"CFStringGetCharacters",
"CFURLCreateStringWithFileSystemPath", # Gone in later releases
"CFStringCreateMutableWithExternalCharactersNoCopy", # Not a clue...
"CFStringSetExternalCharactersNoCopy",
"CFStringGetCharacterAtIndex", # No format for single unichars yet.
"kCFStringEncodingInvalidId", # incompatible constant declaration
]
def makegreylist(self):
return []
def makeblacklisttypes(self):
return [
"CFComparatorFunction", # Callback function pointer
"CFAllocatorContext", # Not interested in providing our own allocator
"void_ptr_ptr", # Tricky. This is the initializer for arrays...
"void_ptr", # Ditto for various array lookup methods
"CFArrayApplierFunction", # Callback function pointer
"CFDictionaryApplierFunction", # Callback function pointer
"va_list", # For printf-to-a-cfstring. Use Python.
"const_CFStringEncoding_ptr", # To be done, I guess
]
def makerepairinstructions(self):
return [
# Buffers in CF seem to be passed as UInt8 * normally.
([("UInt8_ptr", "*", "InMode"), ("CFIndex", "*", "InMode")],
[("UcharInBuffer", "*", "*")]),
([("UniChar_ptr", "*", "InMode"), ("CFIndex", "*", "InMode")],
[("UnicodeInBuffer", "*", "*")]),
# Some functions return a const char *. Don't worry, we won't modify it.
([("const_char_ptr", "*", "ReturnMode")],
[("return_stringptr", "*", "*")]),
# base URLs are optional (pass None for NULL)
([("CFURLRef", "baseURL", "InMode")],
[("OptionalCFURLRef", "*", "*")]),
# We handle CFPropertyListRef objects as plain CFTypeRef
([("CFPropertyListRef", "*", "*")],
[("CFTypeRef", "*", "*")]),
]
if __name__ == "__main__":
main()
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