/// <summary>
/// 配列aのindexの位置にobjectの内容を書き込む。
/// aは十分に確保してあると仮定している。
/// </summary>
/// <param name="a"></param>
/// <param name="index"></param>
/// <param name="o"></param>
public static void Write(byte[] a, int index, object o)
{
Type t = o.GetType();
if (t == typeof(short))
{
MemoryCopy.SetShort(a, index, (short)o);
}
else if (t == typeof(int))
{
MemoryCopy.SetInt(a, index, (int)o);
}
else if (t == typeof(string))
{
string s = o as string;
MemoryCopy.SetInt(a, index, s.Length);
MemoryCopy.SetString(a, index + sizeof(int), s, s.Length);
}
else if (t == typeof(byte[]))
{
byte[] a2 = o as byte[];
MemoryCopy.SetInt(a, index, a2.Length);
MemoryCopy.MemCopy(a, index + sizeof(int), a2, 0, a2.Length);
}
throw new ByteSerializerException(); // サポート外
}
public static object Read(byte[] a, ref int index, Type t)
{
if (t == typeof(short))
{
short s = MemoryCopy.GetShort(a, index);
index += sizeof(short);
return((object)s);
}
else if (t == typeof(int))
{
int i = MemoryCopy.GetInt(a, index);
index += sizeof(int);
return((object)i);
}
else if (t == typeof(string))
{
string s;
int length;
length = MemoryCopy.GetInt(a, index);
index += sizeof(int);
s = MemoryCopy.GetString(a, index, length);
index += length * 2;
return((object)s);
}
else if (t == typeof(byte[]))
{
int length;
length = MemoryCopy.GetInt(a, index);
index += sizeof(int);
byte[] a2 = new byte[length];
MemoryCopy.MemCopy(a2, index, a, index, length);
index += length;
return((object)a2);
}
throw new ByteSerializerException(); // サポート外
}