private static string GetFixedValue(IByteProvider provider, long start, long length, int fixed_length, bool reverse, Func <byte[], string> func)
{
long max_length = provider.Length - start;
if (max_length < fixed_length)
{
return(string.Empty);
}
byte[] ba = new byte[fixed_length];
if (reverse)
{
for (int i = 0; i < fixed_length; ++i)
{
ba[fixed_length - i - 1] = provider.ReadByte(i + start);
}
}
else
{
for (int i = 0; i < fixed_length; ++i)
{
ba[i] = provider.ReadByte(i + start);
}
}
return(func(ba));
}
string GetValue(IByteProvider provider, long pos, long length)
{
// Read out the bytes
if ((_hasher != null) && (provider != null) && (pos + length <= provider.Length))
{
byte[] data = new byte[length];
for (long i = 0; i < length; i++)
{
data[i] = provider.ReadByte(pos + i);
}
byte[] hash = _hasher.ComputeHash(data);
StringBuilder builder = new StringBuilder();
foreach (byte b in hash)
{
builder.AppendFormat("{0:X02}", b);
}
return(builder.ToString());
}
else
{
return("");
}
}
public long Address()
{
long k = 1;
for (long i = 0; i < Provider.Length; ++i)
{
int j = 0;
for (; j < PatternSize; ++j)
{
if (Mask[j] == 0x01)
{
continue;
}
if ((Provider.ReadByte(i + j) ^ ByteArray[j]) != 0)
{
break;
}
}
if (j == PatternSize)
{
if (k == Result)
{
return(i);
}
else
{
++k;
continue;
}
}
}
return(-1);
}
/// <summary>
/// Shows the bits for the current byte
/// </summary>
/// <returns>A string that is like "Bits of byte n° XXX : XXXXXXXX"</returns>
string Core_ShowBits()
{
string result = "";
byte? currentByte = null;
IByteProvider currentFile = CurrentTabIsROM() ?
MainHexBox.ByteProvider :
FileHexBoxes[CurrentTab].ByteProvider;
uint selection = CurrentAddress;
if (selection < currentFile.Length)
{
currentByte = currentFile.ReadByte(selection);
}
BitInfo bitInfo = (currentByte == null) ? null :
new BitInfo((byte)currentByte, selection);
if (bitInfo != null)
{
byte currentByteNotNull = (byte)currentByte;
result = "Bits: " + bitInfo.ToString();
}
return(result);
}
private byte[] ByteProviderToArray(IByteProvider b)
{
byte[] data = new byte[b.Length];
for (int i = 0; i < b.Length; i++)
{
data[i] = b.ReadByte(i);
}
return(data);
}
private byte[] getSelectedBytes(int len)
{
IByteProvider p = hexBox1.ByteProvider;
byte[] b = new byte[len];
for (int i = 0; i < len; i++)
{
b[i] = p.ReadByte(hexBox1.SelectionStart + i);
}
return b;
}
private static byte[] GetBytesFromProvider(IByteProvider provider, long pos, long length)
{
byte[] data = null;
// Read out the bytes
if ((provider != null) && (pos + length <= provider.Length))
{
data = new byte[length];
for (long i = 0; i < length; i++)
{
data[i] = provider.ReadByte(pos + i);
}
}
return(data);
}
string GetValue(IByteProvider provider, long pos, long length)
{
ulong ret = 0;
int bytePos = 0;
while (pos < provider.Length)
{
byte b = provider.ReadByte(pos++);
ret |= ((ulong)b & 0x7F) << (bytePos++ *7);
if ((b & 0x80) == 0)
{
break;
}
}
return(string.Format("{0}/0x{0:X08}", ret));
}
string GetValue(IByteProvider provider, long pos, long length)
{
// Read out the bytes
if ((provider != null) && (pos + length <= provider.Length))
{
byte[] data = new byte[length];
for (long i = 0; i < length; i++)
{
data[i] = provider.ReadByte(pos + i);
}
return(GetChecksumString(data));
}
else
{
return("");
}
}
public byte ReadByte(long pos)
{
return(_provider.ReadByte(pos));
}
/// <summary>
/// Find and select a range of bytes
/// </summary>
/// <param name="data">The data to find</param>
/// <param name="next">Whether to find the next match or previous match</param>
/// <returns>True to indicate we found a match</returns>
public bool FindAndSelect(byte[] data, bool next)
{
bool ret = false;
if ((_provider != null) && (data.Length <= _provider.Length))
{
long foundIndex = -1;
long pos = hexBox.SelectionStart;
if (next)
{
if (pos < 0)
{
pos = 0;
}
else
{
pos = pos + 1;
}
while ((pos + data.Length) <= _provider.Length)
{
foundIndex = pos;
for (long i = 0; i < data.Length; ++i)
{
if (_provider.ReadByte(i + pos) != data[i])
{
foundIndex = -1;
break;
}
}
if (foundIndex >= 0)
{
break;
}
pos++;
}
}
else
{
if (pos > 0)
{
pos = pos - 1;
while (pos >= 0)
{
if ((pos + data.Length) < _provider.Length)
{
foundIndex = pos;
for (long i = 0; i < data.Length; ++i)
{
if (_provider.ReadByte(i + pos) != data[i])
{
foundIndex = -1;
break;
}
}
}
if (foundIndex >= 0)
{
break;
}
pos--;
}
}
}
if (foundIndex >= 0)
{
hexBox.Select(pos, data.Length);
hexBox.ScrollByteIntoView(pos + data.Length);
hexBox.ScrollByteIntoView(pos);
ret = true;
}
}
return(ret);
}
