private long ReadZigzag64()
{
int i = this._reader.ReadSByte(); // first 7 bits
i = (i << 7) + this._reader.ReadSByte(); // 14 bits
i = (i << 7) + this._reader.ReadSByte(); // 21
i = (i << 7) + this._reader.ReadSByte();
int ptr = 4;
int maxEnd = 11;
// Ok: couple of bytes more
long l = i;
do
{
int value = this._reader.ReadSByte();
ptr++;
if (value < 0)
{
l = (l << 6) + (value & 0x3F);
return(SmileUtil.zigzagDecode(l));
}
l = (l << 7) + value;
} while (ptr < maxEnd);
throw new FormatException("bad zigzag64");
}
private int ReadZigzag32()
{
int value = this._reader.ReadSByte();
int i;
if (value < 0) // 6 bits
{
value &= 0x3F;
}
else
{
i = this._reader.ReadSByte();
if (i >= 0) // 13 bits
{
value = (value << 7) + i;
i = this._reader.ReadSByte();
if (i >= 0)
{
value = (value << 7) + i;
i = this._reader.ReadSByte();
if (i >= 0)
{
value = (value << 7) + i;
// and then we must get negative
i = this._reader.ReadSByte();
if (i >= 0)
{
throw new Exception("Corrupt input; 32-bit VInt extends beyond 5 data bytes");
}
}
}
}
value = (value << 6) + (i & 0x3F);
}
value = SmileUtil.zigzagDecode(value);
return(value);
}
private int ReadZigzagNumber(int value)
{
return(SmileUtil.zigzagDecode(value));
}
