Macintosh-Tools
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macresources
mirror of https://github.com/elliotnunn/macresources.git
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Rip out hideous in-band compression comments 

These were a big mistake. Future System 7 compression annotations will
be done using #pragmas.
This commit is contained in:
Elliot Nunn 2019-09-01 16:04:27 +08:00
parent 123cd3294e
commit d121980787
2 changed files with 7 additions and 16 deletions
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3
bin/SimpleDeRez
View File

@ -16,7 +16,6 @@ parser = argparse.ArgumentParser(description='''
parser.add_argument('resourceFile', help='file to be decompiled')
parser.add_argument('-ascii', action='store_true', help='[!] guarantee ASCII output')
parser.add_argument('-fakehdr', action='store_true', help='[!] save 225b file header as fake resource')
parser.add_argument('-compcmt', action='store_true', help='[!] helpfully comment compressed resources')
parser.add_argument('-useDF', action='store_true', help='ignored: data fork is always used')
args = parser.parse_args()
@ -25,7 +24,7 @@ with open(args.resourceFile, 'rb') as f:
resources = macresources.parse_file(f.read(), fake_header_rsrc=args.fakehdr)
try:
rez = macresources.make_rez_code(resources, ascii_clean=args.ascii, cmt_unsupported_attrib=args.compcmt)
rez = macresources.make_rez_code(resources, ascii_clean=args.ascii)
sys.stdout.buffer.write(rez)
except BrokenPipeError:
pass # like we get when we pipe into head

20
macresources/main.py
View File

@ -91,13 +91,10 @@ class ResourceAttrs(enum.IntFlag):
_changed = 0x02 # marks a resource that has been changes since loading from file (should not be seen on disk)
_compressed = 0x01 # "indicates that the resource data is compressed" (only documented in https://github.com/kreativekorp/ksfl/wiki/Macintosh-Resource-File-Format)
def _for_derez(self, cmt_unsupported=True):
mylist = [p.name for p in self.__class__ if self & p]
if any(p.startswith('_') for p in mylist):
arg = '$%02X' % self
if cmt_unsupported: arg += ' /*%s*/' % ', '.join(mylist)
mylist = [arg]
return mylist
def _for_derez(self):
for possible in self.__class__:
if not possible.name.startswith('_') and self & possible:
yield possible.name
class Resource:
@ -188,11 +185,6 @@ def parse_rez_code(from_rezcode):
for line in from_rezcode.split(b'\n'):
line = line.lstrip()
while b'/*' in line:
a, b, c = line.partition(b'/*')
d, e, f = c.partition(b'*/')
line = a + f
if line.startswith(b'data '):
try:
yield cur_resource
@ -337,7 +329,7 @@ def make_file(from_iter, align=1):
return bytes(accum)
def make_rez_code(from_iter, ascii_clean=False, cmt_unsupported_attrib=False):
def make_rez_code(from_iter, ascii_clean=False):
"""Express an iterator of Resource objects as Rez code (bytes).
This will match the output of the deprecated Rez utility, unless the
@ -355,7 +347,7 @@ def make_rez_code(from_iter, ascii_clean=False, cmt_unsupported_attrib=False):
args.append(str(resource.id).encode('ascii'))
if resource.name is not None:
args.append(_rez_escape(resource.name.encode('mac_roman'), singlequote=False, ascii_clean=ascii_clean))
args.extend(x.encode('ascii') for x in resource.attribs._for_derez(cmt_unsupported=cmt_unsupported_attrib))
args.extend(x.encode('ascii') for x in resource.attribs._for_derez())
args = b', '.join(args)
fourcc = _rez_escape(resource.type, singlequote=True, ascii_clean=ascii_clean)