internal static int Encode7ESigned(int val, BlobWriter bw)
{
int len = 1;
if (val < 0)
{
for (int w = val; w < -0x40; w >>= 7)
{
len++;
}
}
else
{
for (int w = val; w >= 0x40; w >>= 7)
{
len++;
}
}
if (bw != null)
{
for (int k = (len - 1) * 7; k >= 0; k -= 7)
{
int x = (int)(val >> k) & 0x7F;
if (k > 0)
{
x |= 0x80;
}
bw.Append((byte)x);
}
}
return(len);
}
internal void Encode(BlobWriter bw)
{
for (int i = 0; i < len; i++)
{
bw.Append(buf[i]);
}
}
internal static int EncodeOneByte(uint val, BlobWriter bw)
{
if (val > 255)
{
throw new Exception(string.Format(
"Cannot encode '{0}' over one byte", val));
}
bw.Append((byte)val);
return(1);
}
internal override int Encode(BlobWriter bw, bool oneByteCode)
{
int len1 = oneByteCode
? EncodeOneByte(val, bw)
: Encode7EUnsigned(val, bw);
int len2 = (cx.GetMaxBitLength(off) + 6) / 7;
bw.Append(String.Format("T0_INT{0}({1})",
len2, cx.ToCExpr(off)));
return(len1 + len2);
}
