public RCH2Compare(ref RCH2Container file1, ref RCH2Container file2, bool doCompare)
{
SourceContainer1 = file1;
SourceContainer2 = file2;
if (doCompare)
{
Compare();
}
}
public static long FindContainer(ref BinaryReader br)
{
// Try the known offsets first.
foreach (long offset in RCH2_OFFSETS)
{
br.BaseStream.Position = offset;
if (RCH2Container.CheckMagicNumber(ref br))
{
br.BaseStream.Position = offset;
return(offset);
}
}
// If we didn't find the right magic number yet, go through the
// entire file. This is kinda tedious.
br.BaseStream.Position = 0;
string extended_magic = RCH2Container.MAGIC_NUMBER + RCH2File.MAGIC_NUMBER;
byte[] buffer = new byte[0];
int j = 0;
int i = 0;
while (i < extended_magic.Length)
{
// If we ran out of buffer, get some more from the file.
if (j >= buffer.Length)
{
if (br.BaseStream.Position >= br.BaseStream.Length)
{
return(-1); // Failed to locate.
}
buffer = br.ReadBytes(SEARCH_BUFFER_LENGTH);
j = 0;
}
i = (buffer[j++] == extended_magic[i]) ? i + 1 : 0;
}
return(br.BaseStream.Position - buffer.Length + j - i);
}
/*** Constructor ***/
public RCH2Compare(ref RCH2Container file1, ref RCH2Container file2) : this(ref file1, ref file2, true)
{
}
public CompareFile(ref RCH2Container rch2)
{
Container = rch2;
DifferentFiles = new List <RCH2File>();
UniqueFiles = new List <RCH2File>();
}