/// <summary>
/// Reads a null-terminated UTF-16 string
/// </summary>
/// <param name="offset">Offset of the string</param>
/// <returns>The UTF-16 string</returns>
public static string ReadNullTerminatedUnicodeString(this IReadOnlyBinaryDataAccessor accessor, long index)
{
int length = 0;
while (accessor.Read(index + length * 2) != 0 || accessor.Read(index + length * 2 + 1) != 0)
{
length += 1;
}
return(accessor.ReadUnicodeString(index, length));
}
/// <summary>
/// Reads an unsigned 64 bit big endian integer
/// </summary>
/// <param name="offset">Offset of the integer to read.</param>
/// <returns>The integer from the given location</returns>
public static UInt64 ReadUInt64BigEndian(this IReadOnlyBinaryDataAccessor accessor, long offset)
{
var bytes = accessor.Read(offset, 8);
Array.Reverse(bytes);
return(BitConverter.ToUInt64(bytes, 0));
}
/// <summary>
/// Reads a signed 32 bit big endian integer
/// </summary>
/// <param name="offset">Offset of the integer to read.</param>
/// <returns>The integer from the given location</returns>
public static Int32 ReadInt32BigEndian(this IReadOnlyBinaryDataAccessor accessor, long offset)
{
var bytes = accessor.Read(offset, 4);
Array.Reverse(bytes);
return(BitConverter.ToInt32(bytes, 0));
}
/// <summary>
/// Reads a null-terminated string using the given encoding
/// </summary>
/// <param name="offset">Offset of the string</param>
/// <returns>The string at the given location</returns>
public static string ReadNullTerminatedString(this IReadOnlyBinaryDataAccessor accessor, long index, Encoding e)
{
// The null character we're looking for
var nullCharSequence = e.GetBytes(Convert.ToChar(0x0).ToString());
// Find the length of the string as determined by the location of the null-char sequence
int length = 0;
while (!accessor.Read(index + length * nullCharSequence.Length, nullCharSequence.Length).All(x => x == 0))
{
length += 1;
}
return(accessor.ReadString(index, length, e));
}
/// <summary>
/// Reads a signed 32 bit little endian integer
/// </summary>
/// <param name="offset">Offset of the integer to read.</param>
/// <returns>The integer from the given location</returns>
public static Int32 ReadInt32(this IReadOnlyBinaryDataAccessor accessor, long offset)
{
return(BitConverter.ToInt32(accessor.Read(offset, 4), 0));
}
/// <summary>
/// Reads a string using the given encoding
/// </summary>
/// <param name="offset">Offset of the string</param>
/// <param name="length">Length in characters of the string</param>
/// <returns>The UTF-16 string at the given offset</returns>
public static string ReadString(this IReadOnlyBinaryDataAccessor accessor, long index, int length, Encoding e)
{
return(e.GetString(accessor.Read(index, length), 0, length));
}
/// <summary>
/// Reads a UTF-16 string
/// </summary>
/// <param name="offset">Offset of the string</param>
/// <param name="length">Length in characters of the string</param>
/// <returns>The UTF-16 string at the given offset</returns>
public static string ReadUnicodeString(this IReadOnlyBinaryDataAccessor accessor, long index, int length)
{
return(Encoding.Unicode.GetString(accessor.Read(index, length * 2), 0, length * 2));
}
/// <summary>
/// Reads an unsigned 64 bit little endian integer
/// </summary>
/// <param name="offset">Offset of the integer to read.</param>
/// <returns>The integer from the given location</returns>
public static UInt64 ReadUInt64(this IReadOnlyBinaryDataAccessor accessor, long offset)
{
return(BitConverter.ToUInt64(accessor.Read(offset, 8), 0));
}
