Мне пришлось писать свой класс бинарной строки, кстати.
| Код |
class BinaryString
{
private byte[] bs;
public BinaryString()
{
this.bs = new byte[0];
}
public BinaryString(byte[] byteArray)
{
this.bs = byteArray;
}
public BinaryString(string s)
{
this.bs = Encoding.UTF8.GetBytes(s);
}
public int Length
{
get
{
return this.bs.Length;
}
}
public byte this[int i]
{
get
{
return this.bs[i];
}
}
public static BinaryString operator +(BinaryString bs1, BinaryString bs2)
{
byte[] byteArray = new byte[bs1.Length + bs2.Length];
int j = 0;
for (int i = 0; i < bs1.Length; i++, j++)
{
byteArray[j] = bs1[i];
}
for (int i = 0; i < bs2.Length; i++, j++)
{
byteArray[j] = bs2[i];
}
return new BinaryString(byteArray);
}
public static BinaryString operator +(BinaryString binaryString, byte[] byteArray)
{
return binaryString + new BinaryString(byteArray);
}
public override string ToString()
{
return new string(Encoding.UTF8.GetChars(this.bs));
}
public byte[] ToByteArray()
{
return (byte[])this.bs.Clone();
}
public BinaryString Substring(int startIndex, int length)
{
if (startIndex < 0)
{
startIndex = bs.Length + startIndex;
}
byte[] byteArray = new byte[length];
for (int i = startIndex; i < length; i++)
{
byteArray[i - startIndex] = this.bs[i];
}
return new BinaryString(byteArray);
}
public BinaryString Substring(int startIndex)
{
return Substring(startIndex, bs.Length);
}
public int IndexOf(byte value, int startIndex)
{
for (int i = startIndex; i < this.Length; i++)
{
if (this[i] == value)
{
return i;
}
}
return -1;
}
public int IndexOf(byte value)
{
return IndexOf(value, 0);
}
public int IndexOf(BinaryString value, int startIndex)
{
bool success;
for (int i = startIndex; i < this.Length - value.Length; i++)
{
success = true;
for (int j = 0; j < value.Length; j++)
{
if (this[i + j] != value[j])
{
success = false;
break;
}
}
if (success)
{
return i;
}
}
return -1;
}
public int IndexOf(BinaryString value)
{
return IndexOf(value, 0);
}
public BinaryString Replace(BinaryString oldValue, BinaryString newValue)
{
BinaryString result = new BinaryString();
BinaryString source = new BinaryString(this.bs);
int p;
while ((p = source.IndexOf(oldValue)) >= 0)
{
result += source.Substring(0, p) + newValue;
source = source.Substring(p + oldValue.Length);
}
result += source;
return result;
}
}
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