public static AptDataAsBytes Write(Movie movie)
{
var memoryPool = new MemoryPool();
memoryPool.WriteDataToNewChunk(Encoding.ASCII.GetBytes(Constants.AptFileMagic));
var address = DataWriter.Write(memoryPool, movie);
return(new AptDataAsBytes(memoryPool.GetMemoryStream().ToArray(), (uint)address));
}
public static byte[] Write(UInt32 AptDataEntryOffset, ConstantData constantData)
{
var memory = new MemoryPool();
memory.WriteDataToNewChunk(Encoding.ASCII.GetBytes(Constants.ConstFileMagic));
memory.AllocateBytesForPadding(4);
// write entryOffset, entriesCount and 32
using (var header = new MemoryStream(memory.Allocate(Constants.IntPtrSize * 3).Memory, true))
using (var headerWriter = new BinaryWriter(header))
{
headerWriter.Write((UInt32)AptDataEntryOffset);
headerWriter.Write((UInt32)constantData.Entries.Count);
headerWriter.Write((UInt32)32);
}
// Assuming sizeof(ConstantEntry) is always 8 bytes...
const uint entrySize = Constants.IntPtrSize + Constants.IntPtrSize;
var entriesChunk = memory.Allocate((uint)constantData.Entries.Count * entrySize);
using (var entriesOutput = new MemoryStream(entriesChunk.Memory))
using (var entriesWriter = new BinaryWriter(entriesOutput))
{
foreach (var entry in constantData.Entries)
{
entriesWriter.Write((UInt32)entry.Type);
switch (entry.Type)
{
case ConstantEntryType.Undef:
throw new InvalidDataException("Undefined const entry");
case ConstantEntryType.String:
var address = DataWriter.Write(memory, (String)entry.Value);
entriesWriter.Write((UInt32)address);
break;
case ConstantEntryType.Register:
entriesWriter.Write((UInt32)entry.Value);
break;
case ConstantEntryType.Boolean:
entriesWriter.WriteBooleanUInt32((Boolean)entry.Value);
break;
case ConstantEntryType.Float:
entriesWriter.Write((Single)entry.Value);
break;
case ConstantEntryType.Integer:
entriesWriter.Write((Int32)entry.Value);
break;
case ConstantEntryType.Lookup:
entriesWriter.Write((UInt32)entry.Value);
break;
default:
throw new InvalidDataException();
}
}
}
return(memory.GetMemoryStream().ToArray());
}