public CompactProArchive(ImageLocation archiveLocation, IProcessorArchitecture arch, MacOSClassic platform)
{
this.Location = archiveLocation;
this.Architecture = arch;
this.Platform = platform;
this.RootEntries = new List <ArchiveDirectoryEntry>();
this.updcrc = zip_updcrc;
}
public List <ArchiveDirectoryEntry> Load(Stream infp)
{
CptHdr cpthdr;
FileHdr filehdr;
byte[] cptindex;
int cptindsize;
int cptptr;
int i;
updcrc = zip_updcrc;
// crcinit = zip_crcinit;
// cpt_crc = INIT_CRC;
if (readcpthdr(infp, out cpthdr) == 0)
{
throw new ApplicationException("Can't read archive header..");
}
cptindsize = cpthdr.entries * FILEHDRSIZE;
if (cpthdr.commentsize > cptindsize)
{
cptindsize = cpthdr.commentsize;
}
cptindex = new byte[cptindsize];
cptptr = 0; // cptindex;
if (infp.Read(cptindex, cptptr, cpthdr.commentsize) != cpthdr.commentsize)
{
throw new ApplicationException("Can't read comment..");
}
cpt_crc = updcrc(cpt_crc, cptindex, cptptr, cpthdr.commentsize);
for (i = 0; i < cpthdr.entries; i++)
{
cptindex[cptptr] = (byte)infp.ReadByte();
cpt_crc = updcrc(cpt_crc, cptindex, cptptr, 1);
if ((cptindex[cptptr] & 0x80) == 0x80)
{
cptindex[cptptr + F_FOLDER] = 1;
cptindex[cptptr] &= 0x3f;
}
else
{
cptindex[cptptr + F_FOLDER] = 0;
}
if (infp.Read(cptindex, cptptr + 1, cptindex[cptptr]) != cptindex[cptptr])
{
throw new ApplicationException(string.Format("Can't read file header #{0}.", i + 1));
}
cpt_crc = updcrc(cpt_crc, cptindex, cptptr + 1, cptindex[cptptr]);
if (cptindex[cptptr + F_FOLDER] != 0)
{
if (infp.Read(cptindex, cptptr + F_FOLDERSIZE, 2) != 2)
{
throw new ApplicationException(string.Format("Can't read file header #{0}.", i + 1));
}
cpt_crc = updcrc(cpt_crc, cptindex, cptptr + F_FOLDERSIZE, 2);
}
else
{
if (infp.Read(cptindex, cptptr + F_VOLUME, FILEHDRSIZE - F_VOLUME) != FILEHDRSIZE - F_VOLUME)
{
throw new ApplicationException(string.Format("Can't read file header #{0}.", i + 1));
}
cpt_crc = updcrc(cpt_crc, cptindex, cptptr + F_VOLUME,
FILEHDRSIZE - F_VOLUME);
}
cptptr += FILEHDRSIZE;
}
//if(cpt_crc != cpthdr.hdrcrc) {
//Console.Error.WriteLine("Header CRC mismatch: got 0x{0:X8}, need 0x{1:X8}",
// (int)cpthdr.hdrcrc, (int)cpt_crc);
//exit(1);
//}
List <ArchiveDirectoryEntry> entries = new List <ArchiveDirectoryEntry>();
cptptr = 0; // cptindex;
for (i = 0; i < cpthdr.entries; i++)
{
if (cpt_filehdr(out filehdr, cptindex, cptptr) == -1)
{
throw new ApplicationException(string.Format("Can't read file header #{0}", i + 1));
}
if (filehdr.folder != 0)
{
entries.Add(cpt_folder(text !, filehdr, cptindex, cptptr));
i += filehdr.foldersize;
cptptr += filehdr.foldersize * FILEHDRSIZE;
}
else
{
if ((filehdr.cptFlag & 1) == 1)
{
Console.Error.WriteLine("\tFile is password protected, skipping file");
}
else
{
entries.Add(new MacFileEntry(this, filehdr));
}
}
cptptr += FILEHDRSIZE;
}
return(entries);
}
