void SerializeAllocationTable(IO.EndianStream s)
{
long entries_count = FileEntries.Count;
s.Stream(ref entries_count);
if (entries_count > 0)
{
if (s.IsReading)
{
FileEntries.Capacity = (int)entries_count;
for (int x = 0; x < entries_count; x++)
{
var e = new CaPackageEntry();
s.Stream(ref e);
FileEntries.Add(e);
}
}
else if (s.IsWriting)
{
foreach (var e in FileEntries)
{
var e_copy = e;
s.Stream(ref e_copy);
}
}
}
}
public byte[] ReadEntryBytes(IO.EndianStream s, CaPackageEntry entry)
{
Contract.Requires <ArgumentNullException>(s != null);
if (entry.Offset < 0 || entry.Offset > s.BaseStream.Length)
{
throw new InvalidOperationException(string.Format(
"File entry '{0}' offset @{1} is not within length #{2} of file {3}",
entry.Name, entry.Offset, s.BaseStream.Length, s.StreamName));
}
long endOffset = entry.Offset + entry.Size;
if (endOffset < 0 || endOffset > s.BaseStream.Length)
{
throw new InvalidOperationException(string.Format(
"File entry '{0}' @{1} with size #{2} is not within length #{3} of file {4}",
entry.Name, entry.Offset, entry.Size, s.BaseStream.Length, s.StreamName));
}
s.Seek(entry.Offset);
byte[] bytes = new byte[entry.Size];
s.Stream(bytes);
return(bytes);
}
public void WriteEntryBytes(IO.EndianStream s, ref CaPackageEntry entry, Stream entryStream)
{
Contract.Requires <ArgumentNullException>(s != null);
Contract.Requires <ArgumentNullException>(entryStream != null);
Contract.Assume(entry.Name.IsNotNullOrEmpty());
Contract.Assume(entry.Offset == 0);
Contract.Assume(entry.Size == 0);
entry.Offset = s.BaseStream.Position;
entry.Size = entryStream.Length;
entryStream.CopyTo(s.BaseStream);
}
void ExpandEntryToFile(string workPath, CaPackageEntry entry)
{
string file_path = Path.Combine(workPath, entry.Name);
if (!ExpanderOptions.Test(CaPackageFileExpanderOptions.DontOverwriteExistingFiles))
{
if (File.Exists(file_path))
{
if (VerboseOutput != null)
{
VerboseOutput.WriteLine("\tSkipping chunk, output file already exists: {0}", file_path);
}
return;
}
}
using (var fs = File.OpenWrite(file_path))
{
var entry_bytes = mPkgFile.ReadEntryBytes(mPkgStream, entry);
fs.Write(entry_bytes, 0, entry_bytes.Length);
}
}
