public static bool VerifyIsPkg(IO.EndianReader s)
{
Contract.Requires <InvalidOperationException>(s.BaseStream.CanRead);
Contract.Requires <InvalidOperationException>(s.BaseStream.CanSeek);
var base_stream = s.BaseStream;
if ((base_stream.Length - base_stream.Position) < kHeaderLength)
{
return(false);
}
string sig = s.ReadString(Memory.Strings.StringStorage.AsciiString);
ulong version = s.ReadUInt64();
long file_entry_count = s.ReadInt64();
base_stream.Seek(-kHeaderLength, SeekOrigin.Current);
return(sig == kSignature &&
version < (ulong)CaPackageVersion.kNumberOf &&
file_entry_count >= kMinFileEntryCount);
}
void ReadInt(IO.EndianReader s)
{
switch (TypeDesc.SizeOf)
{
case sizeof(byte):
{
if (ArrayLength == 1)
{
Int = TypeDesc.IsUnsigned
? (uint)s.ReadByte()
: (uint)s.ReadSByte();
}
else
{
if (TypeDesc.IsUnsigned)
{
var array = s.ReadBytes(ArrayLength);
OpaqueArrayRef = array;
}
else
{
var array = new sbyte[ArrayLength];
for (int x = 0; x < array.Length; x++)
{
array[x] = s.ReadSByte();
}
OpaqueArrayRef = array;
}
}
} break;
case sizeof(ushort):
{
if (ArrayLength == 1)
{
Int = TypeDesc.IsUnsigned
? (uint)s.ReadUInt16()
: (uint)s.ReadInt16();
}
else
{
if (TypeDesc.IsUnsigned)
{
var array = new ushort[ArrayLength];
for (int x = 0; x < array.Length; x++)
{
array[x] = s.ReadUInt16();
}
OpaqueArrayRef = array;
}
else
{
var array = new short[ArrayLength];
for (int x = 0; x < array.Length; x++)
{
array[x] = s.ReadInt16();
}
OpaqueArrayRef = array;
}
}
} break;
case sizeof(uint):
{
if (ArrayLength == 1)
{
Int = TypeDesc.IsUnsigned
? (uint)s.ReadUInt32()
: (uint)s.ReadInt32();
}
else
{
if (TypeDesc.IsUnsigned)
{
var array = new uint[ArrayLength];
for (int x = 0; x < array.Length; x++)
{
array[x] = s.ReadUInt32();
}
OpaqueArrayRef = array;
}
else
{
var array = new int[ArrayLength];
for (int x = 0; x < array.Length; x++)
{
array[x] = s.ReadInt32();
}
OpaqueArrayRef = array;
}
}
} break;
case sizeof(ulong):
{
if (ArrayLength == 1)
{
Int64 = TypeDesc.IsUnsigned
? (ulong)s.ReadUInt64()
: (ulong)s.ReadInt64();
}
else
{
if (TypeDesc.IsUnsigned)
{
var array = new ulong[ArrayLength];
for (int x = 0; x < array.Length; x++)
{
array[x] = s.ReadUInt64();
}
OpaqueArrayRef = array;
}
else
{
var array = new long[ArrayLength];
for (int x = 0; x < array.Length; x++)
{
array[x] = s.ReadInt64();
}
OpaqueArrayRef = array;
}
}
} break;
default:
throw new KSoft.Debug.UnreachableException(TypeDesc.SizeOf.ToString());
}
}
