/// <summary>
/// Compares two ROMs using the specified compare implementation.
/// </summary>
/// <param name="rom">The 'reference' ROM to compare against.</param>
/// <param name="otherRom">The ROM to compare to <paramref name="rom"/>.</param>
/// <param name="otherProgramInfo">Pre-fetched program information, which may make certain comparisons slightly faster.</param>
/// <param name="comparer">The comparison implementation to use.</param>
/// <returns><c>true</c> if <paramref name="rom"/> and <paramref name="otherRom"/> are considered equal using <paramref name="comparer"/>.</returns>
public static bool IsEquivalentTo(this IRom rom, IRom otherRom, IProgramInformation otherProgramInfo, RomComparer comparer)
{
var result = comparer.Compare(rom, null, otherRom, otherProgramInfo);
var equivalent = result == 0;
return(equivalent);
}
/// <inheritdoc />
public override int Compare(IRom x, IProgramInformation programInformationX, IRom y, IProgramInformation programInformationY)
{
var result = BaseComparer.Compare(x, programInformationX, y, programInformationY);
if (result != 0)
{
result = CanonicalCompare(x, y, true); // require features to match as well
}
return(result);
}
/// <inheritdoc />
public override int Compare(IRom x, IProgramInformation programInformationRomX, IRom y, IProgramInformation programInformationRomY)
{
var result = BaseComparer.Compare(x, programInformationRomX, y, programInformationRomY);
if (result != 0)
{
result = CanonicalCompare(x, y, false);
}
return(result);
}