475 lines
12 KiB
Python
475 lines
12 KiB
Python
"""
|
|
gensuitemodule - Generate an AE suite module from an aete/aeut resource
|
|
|
|
Based on aete.py
|
|
"""
|
|
|
|
import MacOS
|
|
import os
|
|
import string
|
|
import sys
|
|
import types
|
|
import StringIO
|
|
import macfs
|
|
|
|
from Res import *
|
|
|
|
def main():
|
|
fss, ok = macfs.StandardGetFile()
|
|
if not ok:
|
|
sys.exit(0)
|
|
process(fss.as_pathname())
|
|
|
|
def process(fullname):
|
|
"""Process all resources in a single file"""
|
|
cur = CurResFile()
|
|
print fullname
|
|
rf = OpenRFPerm(fullname, 0, 1)
|
|
try:
|
|
UseResFile(rf)
|
|
resources = []
|
|
for i in range(Count1Resources('aete')):
|
|
res = Get1IndResource('aete', 1+i)
|
|
resources.append(res)
|
|
for i in range(Count1Resources('aeut')):
|
|
res = Get1IndResource('aeut', 1+i)
|
|
resources.append(res)
|
|
print "\nLISTING aete+aeut RESOURCES IN", `fullname`
|
|
for res in resources:
|
|
print "decoding", res.GetResInfo(), "..."
|
|
data = res.data
|
|
aete = decode(data)
|
|
compileaete(aete, fullname)
|
|
finally:
|
|
if rf <> cur:
|
|
CloseResFile(rf)
|
|
UseResFile(cur)
|
|
|
|
def decode(data):
|
|
"""Decode a resource into a python data structure"""
|
|
f = StringIO.StringIO(data)
|
|
aete = generic(getaete, f)
|
|
aete = simplify(aete)
|
|
processed = f.tell()
|
|
unprocessed = len(f.read())
|
|
total = f.tell()
|
|
if unprocessed:
|
|
sys.stderr.write("%d processed + %d unprocessed = %d total\n" %
|
|
(processed, unprocessed, total))
|
|
return aete
|
|
|
|
def simplify(item):
|
|
"""Recursively replace singleton tuples by their constituent item"""
|
|
if type(item) is types.ListType:
|
|
return map(simplify, item)
|
|
elif type(item) == types.TupleType and len(item) == 2:
|
|
return simplify(item[1])
|
|
else:
|
|
return item
|
|
|
|
|
|
# Here follows the aete resource decoder.
|
|
# It is presented bottom-up instead of top-down because there are direct
|
|
# references to the lower-level part-decoders from the high-level part-decoders.
|
|
|
|
def getbyte(f, *args):
|
|
c = f.read(1)
|
|
if not c:
|
|
raise EOFError, 'in getbyte' + str(args)
|
|
return ord(c)
|
|
|
|
def getword(f, *args):
|
|
getalign(f)
|
|
s = f.read(2)
|
|
if len(s) < 2:
|
|
raise EOFError, 'in getword' + str(args)
|
|
return (ord(s[0])<<8) | ord(s[1])
|
|
|
|
def getlong(f, *args):
|
|
getalign(f)
|
|
s = f.read(4)
|
|
if len(s) < 4:
|
|
raise EOFError, 'in getlong' + str(args)
|
|
return (ord(s[0])<<24) | (ord(s[1])<<16) | (ord(s[2])<<8) | ord(s[3])
|
|
|
|
def getostype(f, *args):
|
|
getalign(f)
|
|
s = f.read(4)
|
|
if len(s) < 4:
|
|
raise EOFError, 'in getostype' + str(args)
|
|
return s
|
|
|
|
def getpstr(f, *args):
|
|
c = f.read(1)
|
|
if len(c) < 1:
|
|
raise EOFError, 'in getpstr[1]' + str(args)
|
|
nbytes = ord(c)
|
|
if nbytes == 0: return ''
|
|
s = f.read(nbytes)
|
|
if len(s) < nbytes:
|
|
raise EOFError, 'in getpstr[2]' + str(args)
|
|
return s
|
|
|
|
def getalign(f):
|
|
if f.tell() & 1:
|
|
c = f.read(1)
|
|
##if c <> '\0':
|
|
## print 'align:', `c`
|
|
|
|
def getlist(f, description, getitem):
|
|
count = getword(f)
|
|
list = []
|
|
for i in range(count):
|
|
list.append(generic(getitem, f))
|
|
getalign(f)
|
|
return list
|
|
|
|
def alt_generic(what, f, *args):
|
|
print "generic", `what`, args
|
|
res = vageneric(what, f, args)
|
|
print '->', `res`
|
|
return res
|
|
|
|
def generic(what, f, *args):
|
|
if type(what) == types.FunctionType:
|
|
return apply(what, (f,) + args)
|
|
if type(what) == types.ListType:
|
|
record = []
|
|
for thing in what:
|
|
item = apply(generic, thing[:1] + (f,) + thing[1:])
|
|
record.append((thing[1], item))
|
|
return record
|
|
return "BAD GENERIC ARGS: %s" % `what`
|
|
|
|
getdata = [
|
|
(getostype, "type"),
|
|
(getpstr, "description"),
|
|
(getword, "flags")
|
|
]
|
|
getargument = [
|
|
(getpstr, "name"),
|
|
(getostype, "keyword"),
|
|
(getdata, "what")
|
|
]
|
|
getevent = [
|
|
(getpstr, "name"),
|
|
(getpstr, "description"),
|
|
(getostype, "suite code"),
|
|
(getostype, "event code"),
|
|
(getdata, "returns"),
|
|
(getdata, "accepts"),
|
|
(getlist, "optional arguments", getargument)
|
|
]
|
|
getproperty = [
|
|
(getpstr, "name"),
|
|
(getostype, "code"),
|
|
(getdata, "what")
|
|
]
|
|
getelement = [
|
|
(getostype, "type"),
|
|
(getlist, "keyform", getostype)
|
|
]
|
|
getclass = [
|
|
(getpstr, "name"),
|
|
(getostype, "class code"),
|
|
(getpstr, "description"),
|
|
(getlist, "properties", getproperty),
|
|
(getlist, "elements", getelement)
|
|
]
|
|
getcomparison = [
|
|
(getpstr, "operator name"),
|
|
(getostype, "operator ID"),
|
|
(getpstr, "operator comment"),
|
|
]
|
|
getenumerator = [
|
|
(getpstr, "enumerator name"),
|
|
(getostype, "enumerator ID"),
|
|
(getpstr, "enumerator comment")
|
|
]
|
|
getenumeration = [
|
|
(getostype, "enumeration ID"),
|
|
(getlist, "enumerator", getenumerator)
|
|
]
|
|
getsuite = [
|
|
(getpstr, "suite name"),
|
|
(getpstr, "suite description"),
|
|
(getostype, "suite ID"),
|
|
(getword, "suite level"),
|
|
(getword, "suite version"),
|
|
(getlist, "events", getevent),
|
|
(getlist, "classes", getclass),
|
|
(getlist, "comparisons", getcomparison),
|
|
(getlist, "enumerations", getenumeration)
|
|
]
|
|
getaete = [
|
|
(getword, "major/minor version in BCD"),
|
|
(getword, "language code"),
|
|
(getword, "script code"),
|
|
(getlist, "suites", getsuite)
|
|
]
|
|
|
|
def compileaete(aete, fname):
|
|
"""Generate code for a full aete resource. fname passed for doc purposes"""
|
|
[version, language, script, suites] = aete
|
|
major, minor = divmod(version, 256)
|
|
for suite in suites:
|
|
compilesuite(suite, major, minor, language, script, fname)
|
|
|
|
def compilesuite(suite, major, minor, language, script, fname):
|
|
"""Generate code for a single suite"""
|
|
[name, desc, code, level, version, events, classes, comps, enums] = suite
|
|
|
|
modname = identify(name)
|
|
fss, ok = macfs.StandardPutFile('Python output file', modname+'.py')
|
|
if not ok:
|
|
return
|
|
fp = open(fss.as_pathname(), 'w')
|
|
fss.SetCreatorType('PYTH', 'TEXT')
|
|
|
|
fp.write('"""Suite %s: %s\n' % (name, desc))
|
|
fp.write("Level %d, version %d\n\n" % (level, version))
|
|
fp.write("Generated from %s\n"%fname)
|
|
fp.write("AETE/AEUT resource version %d/%d, language %d, script %d\n" % \
|
|
(major, minor, language, script))
|
|
fp.write('"""\n\n')
|
|
# XXXX Temp?
|
|
fp.write("import addpack\n")
|
|
fp.write("addpack.addpack('Tools')\n")
|
|
fp.write("addpack.addpack('bgen')\n")
|
|
fp.write("addpack.addpack('ae')\n\n")
|
|
|
|
fp.write('import aetools\n')
|
|
fp.write('import MacOS\n\n')
|
|
fp.write("_code = %s\n\n"% `code`)
|
|
|
|
enum_names = []
|
|
for enum in enums:
|
|
name = compileenumeration(fp, enum)
|
|
enum_names.append(enum)
|
|
|
|
compileclassheader(fp, modname)
|
|
if events:
|
|
for event in events:
|
|
compileevent(fp, event)
|
|
else:
|
|
fp.write("\tpass\n\n")
|
|
for cls in classes:
|
|
compileclass(fp, cls)
|
|
for comp in comps:
|
|
compilecomparison(fp, comp)
|
|
|
|
def compileclassheader(fp, name):
|
|
"""Generate class boilerplate"""
|
|
fp.write("class %s:\n\n"%name)
|
|
|
|
def compileevent(fp, event):
|
|
"""Generate code for a single event"""
|
|
[name, desc, code, subcode, returns, accepts, arguments] = event
|
|
funcname = identify(name)
|
|
#
|
|
# generate name->keyword map
|
|
#
|
|
if arguments:
|
|
fp.write("\t_argmap_%s = {\n"%funcname)
|
|
for a in arguments:
|
|
fp.write("\t\t%s : %s,\n"%(`identify(a[0])`, `a[1]`))
|
|
fp.write("\t}\n\n")
|
|
|
|
#
|
|
# Generate function header
|
|
#
|
|
has_arg = (not is_null(accepts))
|
|
opt_arg = (has_arg and is_optional(accepts))
|
|
|
|
if has_arg:
|
|
fp.write("\tdef %s(self, object, *arguments):\n"%funcname)
|
|
else:
|
|
fp.write("\tdef %s(self, *arguments):\n"%funcname)
|
|
#
|
|
# Generate doc string (important, since it may be the only
|
|
# available documentation, due to our name-remaping)
|
|
#
|
|
fp.write('\t\t"""%s: %s\n'%(name, desc))
|
|
if has_arg:
|
|
fp.write("\t\tRequired argument: %s\n"%getdatadoc(accepts))
|
|
elif opt_arg:
|
|
fp.write("\t\tOptional argument: %s\n"%getdatadoc(accepts))
|
|
for arg in arguments:
|
|
fp.write("\t\tKeyword argument %s: %s\n"%(identify(arg[0]),
|
|
getdatadoc(arg[2])))
|
|
fp.write("\t\tKeyword argument _attributes: AppleEvent attribute dictionary\n")
|
|
if not is_null(returns):
|
|
fp.write("\t\tReturns: %s\n"%getdatadoc(returns))
|
|
fp.write('\t\t"""\n')
|
|
#
|
|
# Fiddle the args so everything ends up in 'arguments' dictionary
|
|
#
|
|
fp.write("\t\t_code = %s\n"% `code`)
|
|
fp.write("\t\t_subcode = %s\n\n"% `subcode`)
|
|
if opt_arg:
|
|
fp.write("\t\tif len(arguments):\n")
|
|
fp.write("\t\t\tobject = arguments[0]\n")
|
|
fp.write("\t\t\targuments = arguments[1:]\n")
|
|
fp.write("\t\telse:\n")
|
|
fp.write("\t\t\tobject = None\n")
|
|
fp.write("\t\tif len(arguments) > 1:\n")
|
|
fp.write("\t\t\traise TypeError, 'Too many arguments'\n")
|
|
fp.write("\t\tif arguments:\n")
|
|
fp.write("\t\t\targuments = arguments[0]\n")
|
|
fp.write("\t\t\tif type(arguments) <> type({}):\n")
|
|
fp.write("\t\t\t\traise TypeError, 'Must be a mapping'\n")
|
|
fp.write("\t\telse:\n")
|
|
fp.write("\t\t\targuments = {}\n")
|
|
if has_arg:
|
|
fp.write("\t\targuments['----'] = object\n")
|
|
elif opt_arg:
|
|
fp.write("\t\tif object:\n")
|
|
fp.write("\t\t\targuments['----'] = object\n")
|
|
fp.write("\n")
|
|
#
|
|
# Extract attributes
|
|
#
|
|
fp.write("\t\tif arguments.has_key('_attributes'):\n")
|
|
fp.write("\t\t\tattributes = arguments['_attributes']\n")
|
|
fp.write("\t\t\tdel arguments['_attributes']\n")
|
|
fp.write("\t\telse:\n");
|
|
fp.write("\t\t\tattributes = {}\n")
|
|
fp.write("\n")
|
|
#
|
|
# Do key substitution
|
|
#
|
|
if arguments:
|
|
fp.write("\t\taetools.keysubst(arguments, self._argmap_%s)\n"%funcname)
|
|
for a in arguments:
|
|
if is_enum(a[2]):
|
|
kname = a[1]
|
|
ename = a[2][0]
|
|
fp.write("\t\taetools.enumsubst(arguments, %s, _Enum_%s)\n" %
|
|
(`kname`, ename))
|
|
fp.write("\n")
|
|
#
|
|
# Do the transaction
|
|
#
|
|
fp.write("\t\treply, arguments, attributes = self.send(_code, _subcode,\n")
|
|
fp.write("\t\t\t\targuments, attributes)\n")
|
|
#
|
|
# Error handling
|
|
#
|
|
fp.write("\t\tif arguments.has_key('errn'):\n")
|
|
fp.write("\t\t\traise MacOS.Error, aetools.decodeerror(arguments)\n")
|
|
fp.write("\t\t# XXXX Optionally decode result\n")
|
|
#
|
|
# Decode result
|
|
#
|
|
fp.write("\t\tif arguments.has_key('----'):\n")
|
|
if is_enum(returns):
|
|
fp.write("\t\t\t# XXXX Should do enum remapping here...\n")
|
|
fp.write("\t\t\treturn arguments['----']\n")
|
|
fp.write("\n")
|
|
|
|
# print "\n# Command %s -- %s (%s, %s)" % (`name`, `desc`, `code`, `subcode`)
|
|
# print "# returns", compiledata(returns)
|
|
# print "# accepts", compiledata(accepts)
|
|
# for arg in arguments:
|
|
# compileargument(arg)
|
|
|
|
def compileargument(arg):
|
|
[name, keyword, what] = arg
|
|
print "# %s (%s)" % (name, `keyword`), compiledata(what)
|
|
|
|
def compileclass(fp, cls):
|
|
[name, code, desc, properties, elements] = cls
|
|
fp.write("\n# Class %s (%s) -- %s\n" % (`name`, `code`, `desc`))
|
|
for prop in properties:
|
|
compileproperty(fp, prop)
|
|
for elem in elements:
|
|
compileelement(fp, elem)
|
|
|
|
def compileproperty(fp, prop):
|
|
[name, code, what] = prop
|
|
fp.write("# property %s (%s) %s\n" % (`name`, `code`, compiledata(what)))
|
|
|
|
def compileelement(fp, elem):
|
|
[code, keyform] = elem
|
|
fp.write("# element %s as %s\n" % (`code`, keyform))
|
|
|
|
def compilecomparison(fp, comp):
|
|
[name, code, comment] = comp
|
|
fp.write("# comparison %s (%s) -- %s\n" % (`name`, `code`, comment))
|
|
|
|
def compileenumeration(fp, enum):
|
|
[code, items] = enum
|
|
fp.write("_Enum_%s = {\n" % identify(code))
|
|
for item in items:
|
|
compileenumerator(fp, item)
|
|
fp.write("}\n\n")
|
|
return code
|
|
|
|
def compileenumerator(fp, item):
|
|
[name, code, desc] = item
|
|
fp.write("\t%s : %s,\t# %s\n" % (`identify(name)`, `code`, desc))
|
|
|
|
def compiledata(data):
|
|
[type, description, flags] = data
|
|
return "%s -- %s %s" % (`type`, `description`, compiledataflags(flags))
|
|
|
|
def is_null(data):
|
|
return data[0] == 'null'
|
|
|
|
def is_optional(data):
|
|
return (data[2] & 0x8000)
|
|
|
|
def is_enum(data):
|
|
return (data[2] & 0x2000)
|
|
|
|
def getdatadoc(data):
|
|
[type, descr, flags] = data
|
|
if descr:
|
|
return descr
|
|
if type == '****':
|
|
return 'anything'
|
|
if type == 'obj ':
|
|
return 'an AE object reference'
|
|
return "undocumented, typecode %s"%`type`
|
|
|
|
dataflagdict = {15: "optional", 14: "list", 13: "enum", 12: "mutable"}
|
|
def compiledataflags(flags):
|
|
bits = []
|
|
for i in range(16):
|
|
if flags & (1<<i):
|
|
if i in dataflagdict.keys():
|
|
bits.append(dataflagdict[i])
|
|
else:
|
|
bits.append(`i`)
|
|
return '[%s]' % string.join(bits)
|
|
|
|
# XXXX Do we have a set of python keywords somewhere?
|
|
illegal_ids = [ "for", "in", "from", "and", "or", "not", "print" ]
|
|
|
|
def identify(str):
|
|
"""Turn any string into an identifier:
|
|
- replace space by _
|
|
- replace other illegal chars by _xx_ (hex code)
|
|
- prepend _ if the result is a python keyword
|
|
"""
|
|
rv = ''
|
|
ok = string.letters + '_'
|
|
ok2 = ok + string.digits
|
|
for c in str:
|
|
if c in ok:
|
|
rv = rv + c
|
|
elif c == ' ':
|
|
rv = rv + '_'
|
|
else:
|
|
rv = rv + '_%02.2x_'%ord(c)
|
|
ok = ok2
|
|
if rv in illegal_ids:
|
|
rv = '_' + rv
|
|
return rv
|
|
|
|
# Call the main program
|
|
|
|
if __name__ == '__main__':
|
|
main()
|
|
sys.exit(1)
|