本文整理匯總了C#中AnyObjectId.GetFirstByte方法的典型用法代碼示例。如果您正苦於以下問題：C# AnyObjectId.GetFirstByte方法的具體用法？C# AnyObjectId.GetFirstByte怎麽用？C# AnyObjectId.GetFirstByte使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類AnyObjectId的用法示例。
在下文中一共展示了AnyObjectId.GetFirstByte方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: FindCRC32
public override long FindCRC32(AnyObjectId objId)
{
int levelOne = objId.GetFirstByte();
int levelTwo = BinarySearchLevelTwo(objId, levelOne);
if (levelTwo == -1)
{
throw new MissingObjectException(objId.Copy(), ObjectType.Unknown);
}
return NB.DecodeUInt32(_crc32[levelOne], levelTwo << 2);
}示例2: FindOffset
public override long FindOffset(AnyObjectId objId)
{
int levelOne = objId.GetFirstByte();
int levelTwo = BinarySearchLevelTwo(objId, levelOne);
if (levelTwo == -1)
{
return -1;
}
long p = NB.DecodeUInt32(_offset32[levelOne], levelTwo << 2);
if ((p & IS_O64) != 0)
{
return NB.DecodeUInt64(_offset64, (8 * (int)(p & ~IS_O64)));
}
return p;
}示例3: FindOffset
public override long FindOffset(AnyObjectId objId)
{
int levelOne = objId.GetFirstByte();
byte[] data = _idxdata[levelOne];
if (data == null)
{
return -1;
}
int high = data.Length / (4 + Constants.OBJECT_ID_LENGTH);
int low = 0;
do
{
int mid = (low + high) / 2;
int pos = ((4 + Constants.OBJECT_ID_LENGTH) * mid) + 4;
int cmp = objId.CompareTo(data, pos);
if (cmp < 0)
{
high = mid;
}
else if (cmp == 0)
{
uint b0 = data[pos - 4] & (uint)0xff;
uint b1 = data[pos - 3] & (uint)0xff;
uint b2 = data[pos - 2] & (uint)0xff;
uint b3 = data[pos - 1] & (uint)0xff;
return (((long)b0) << 24) | (b1 << 16) | (b2 << 8) | (b3);
}
else
low = mid + 1;
} while (low < high);
return -1;
}