source: python/trunk/Mac/Modules/launch/launchscan.py

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

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

LONG = "LaunchServices"
SHORT = "launch"
OBJECT = "NOTUSED"

def main():
    input = LONG + ".h"
    output = SHORT + "gen.py"
    defsoutput = TOOLBOXDIR + LONG + ".py"
    scanner = MyScanner(input, output, defsoutput)
    scanner.scan()
    scanner.close()
    scanner.gentypetest(SHORT+"typetest.py")
    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):

    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 writeinitialdefs(self):
        self.defsfile.write("def FOUR_CHAR_CODE(x): return x\n")
        self.defsfile.write("from Carbon.Files import *\n")
        self.defsfile.write("kLSRequestAllInfo = -1\n")
        self.defsfile.write("kLSRolesAll = -1\n")
        self.defsfile.write("kLSUnknownType = FOUR_CHAR_CODE('\\0\\0\\0\\0')\n")
        self.defsfile.write("kLSUnknownCreator = FOUR_CHAR_CODE('\\0\\0\\0\\0')\n")
        self.defsfile.write("kLSInvalidExtensionIndex = -1\n")

    def makeblacklistnames(self):
        return [
                "LSInit",
                "LSTerm",
                "kLSRequestAllInfo",
                "kLSRolesAll",
                "kLSInvalidExtensionIndex",
                "kLSUnknownType",
                "kLSUnknownCreator"
                ]

    def makeblacklisttypes(self):
        return [
                "LSLaunchFSRefSpec_ptr",
                "LSLaunchURLSpec_ptr",
                ]

    def makerepairinstructions(self):
        return [
                # LSGetApplicationForInfo
                ([('CFStringRef', 'inExtension', 'InMode')],
         [('OptCFStringRef', 'inExtension', 'InMode')]),

                # LSFindApplicationForInfo
                ([('CFStringRef', 'inBundleID', 'InMode')],
         [('OptCFStringRef', 'inBundleID', 'InMode')]),
                ([('CFStringRef', 'inName', 'InMode')],
         [('OptCFStringRef', 'inName', 'InMode')]),

                # Unicode filenames passed as length, buffer. LSGetExtensionInfo
                ([('UniCharCount', '*', 'InMode'),
                  ('UniChar_ptr', '*', 'InMode')],
                 [('UnicodeReverseInBuffer', '*', 'InMode')]
                ),
                ]

if __name__ == "__main__":
    main()