diff options
| -rw-r--r-- | Mac/scripts/cfmfile.py | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/Mac/scripts/cfmfile.py b/Mac/scripts/cfmfile.py deleted file mode 100644 index 5b416f6..0000000 --- a/Mac/scripts/cfmfile.py +++ /dev/null @@ -1,236 +0,0 @@ -"""cfmfile - Interface to code fragments on file""" -import struct -import Res -import macfs -import string - -Error = 'cfmfile.Error' - -READ = 1 -WRITE = 2 -smAllScripts = -3 -BUFSIZE = 0x100000 - -class FragmentInfo: - """Information on a single fragment""" - def __init__(self): - self.arch = 'pwpc' - self.current_version = 0 - self.oldest_version = 0 - self.stacksize = 0 - self.libdir = 0 - self.fragtype = 1 - self.location = 1 - self.offset = 0 - self.length = 0 - self.res_0 = 0 - self.res_1 = 0 - self.name = '' - self.ifp = None - - def load(self, data): - if len(data) < 43: - raise Error, 'Not enough data in cfrg resource' - self.arch = data[:4] - self.update, self.current_version, self.oldest_version, \ - self.stacksize, self.libdir, self.fragtype, self.location, \ - self.offset, self.length, self.res_0, self.res_1, length = \ - struct.unpack("llllhbbllllh", data[4:42]) - namelen = ord(data[42]) - self.name = data[43:43+namelen] - if len(self.name) != namelen: - raise Error, 'Not enough data in cfrg resource' - return length - - def save(self): - length = (43+len(self.name)+3) & ~3 - data = self.arch + struct.pack("llllhbbllllh", self.update, \ - self.current_version, self.oldest_version, self.stacksize, \ - self.libdir, self.fragtype, self.location, self.offset, \ - self.length, self.res_0, self.res_1, length) - data = data + chr(len(self.name)) + self.name - data = data + ('\0'*(length-len(data))) - return data - - def copydata(self, ofp): - """Copy fragment data to a new file, updating self.offset""" - if self.location != 1: - raise Error, 'Can only copy kOnDiskFlat (data fork) fragments' - if not self.ifp: - raise Error, 'No source file for fragment' - # Find out real length (if zero) - if self.length == 0: - self.ifp.seek(0, 2) - self.length = self.ifp.tell() - # Position input file and record new offset from output file - self.ifp.seek(self.offset) - self.offset = ofp.tell() - l = self.length - while l: - if l > BUFSIZE: - ofp.write(self.ifp.read(BUFSIZE)) - l = l - BUFSIZE - else: - ofp.write(self.ifp.read(l)) - l = 0 - self.ifp = ofp - - def setfile(self, ifp): - self.ifp = ifp - -class FragmentResource: - - def __init__(self, data): - self.load(data) - - def load(self, data): - r0, r1, version, r3, r4, r5, r6, nfrag = struct.unpack("llllllll", data[:32]) - if version != 1: - raise Error, 'Unsupported cfrg version number %d'%version - data = data[32:] - self.fragments = [] - for i in range(nfrag): - f = FragmentInfo() - len = f.load(data) - data = data[len:] - self.fragments.append(f) - if data: - raise Error, 'Spurious data after fragment descriptions' - - def save(self): - data = struct.pack("llllllll", 0, 0, 1, 0, 0, 0, 0, len(self.fragments)) - for f in self.fragments: - data = data+f.save() - return data - - def setfile(self, ifp): - for f in self.fragments: - f.setfile(ifp) - - def copydata(self, ofp): - for f in self.fragments: - f.copydata(ofp) - - def getfragments(self): - return self.fragments - - def addfragments(self, fragments): - self.fragments = self.fragments + fragments - -class ResourceCollection: - def __init__(self, fhandle): - self.reslist = [] - self.fhandle = fhandle - oldresfile = Res.CurResFile() - Res.UseResFile(fhandle) - Res.SetResLoad(0) - ntypes = Res.Count1Types() - for itype in range(1, 1+ntypes): - type = Res.Get1IndType(itype) - nresources = Res.Count1Resources(type) - for ires in range(1, 1+nresources): - res = Res.Get1IndResource(type, ires) - id, type, name = res.GetResInfo() - self.reslist.append((type, id)) - Res.SetResLoad(1) - Res.UseResFile(oldresfile) - - def contains(self, type, id): - return (type, id) in self.reslist - - def getresource(self, type, id): - oldresfile = Res.CurResFile() - Res.UseResFile(self.fhandle) - Res.SetResLoad(1) - resource = Res.Get1Resource(type, id) - Res.UseResFile(oldresfile) - return resource - - def saveresto(self, type, id, fhandle): - oldresfile = Res.CurResFile() - resource = self.getresource(type, id) - id, type, name = resource.GetResInfo() - resource.DetachResource() - Res.UseResFile(fhandle) - resource.AddResource(type, id, name) - Res.UseResFile(oldresfile) - - def getreslist(self): - return self.reslist - -class CfmFile(ResourceCollection, FragmentResource): - - def __init__(self, fsspec): - rfork = Res.FSpOpenResFile(fsspec, READ) - dfork = open(fsspec.as_pathname(), 'rb') - ResourceCollection.__init__(self, rfork) - cfrg_resource = self.getresource('cfrg', 0) - FragmentResource.__init__(self, cfrg_resource.data) - self.setfile(dfork) - -def mergecfmfiles(inputs, output): - # Convert inputs/outputs to fsspecs - inputs = map(None, inputs) - for i in range(len(inputs)): - if type(inputs[i]) == type(''): - inputs[i] = macfs.FSSpec(inputs[i]) - if type(output) == type(''): - output = macfs.FSSpec(output) - - input_list = [] - for i in inputs: - input_list.append(CfmFile(i)) - - # Create output file, if needed - creator, tp = inputs[0].GetCreatorType() - try: - Res.FSpCreateResFile(output, creator, tp, smAllScripts) - except Res.Error: - pass - - # Copy fragments - dfork = open(output.as_pathname(), 'wb') - for i in input_list: - i.copydata(dfork) - dfork.close() - - # Merge cfrg's - for i in input_list[1:]: - input_list[0].addfragments(i.getfragments()) - - old_res_file = Res.CurResFile() - rfork = Res.FSpOpenResFile(output, WRITE) - Res.UseResFile(rfork) - - # Write cfrg - data = input_list[0].save() - cfrg_resource = Res.Resource(data) - cfrg_resource.AddResource('cfrg', 0, '') - resources_done = [('cfrg', 0)] - - # Write other resources - for i in input_list: - todo = i.getreslist() - for tp, id in todo: - if (tp, id) in resources_done: - continue - i.saveresto(tp, id, rfork) - resources_done.append((tp, id)) - -def main(): - list = [] - while 1: - fss, ok = macfs.PromptGetFile("Next input file:", "shlb", "APPL") - if not ok: break - list.append(fss) - if not list: - sys.exit(0) - output, ok = macfs.StandardPutFile("Output file:") - if not ok: - sys.exit(0) - mergecfmfiles(list, output) - -if __name__ == '__main__': - main() - - |