/// <summary>
/// Convert the provided X9 record to a sequence of bytes and write it to the byte stream
/// </summary>
void WriteRecord(X9Record record)
{
// Generate bytes for record and its size prefix
byte[] recordBytes = record.WriteRecord();
byte[] recordSizePrefix = BitConverter.GetBytes(recordBytes.Length);
if (BitConverter.IsLittleEndian)
{
Array.Reverse(recordSizePrefix);
}
// Write them to the stream
this.ByteStream.Write(recordSizePrefix, 0, recordSizePrefix.Length);
this.ByteStream.Write(recordBytes, 0, recordBytes.Length);
}
/// <summary>
/// Compare this record to another (usually of the same type) and return whether or not they are identical.
/// </summary>
public bool Equals(X9Record that)
{
if (this.GetType() != that.GetType())
{
return(false);
}
else
{
List <X9Field> thisFields = this.GetFields().ToList();
List <X9Field> thatFields = that.GetFields().ToList();
if (thisFields.Count() != thatFields.Count())
{
return(false);
}
else
{
for (int i = 0; i < thisFields.Count(); i++)
{
X9Field thisField = thisFields[i];
X9Field thatField = thatFields[i];
if (thisField.GetType() != thatField.GetType())
{
return(false);
}
else
{
if (thisField.GetType() == typeof(X9TextField))
{
if (!((X9TextField)thisField).Equals((X9TextField)thatField))
{
return(false);
}
}
else if (thisField.GetType() == typeof(X9ImageField))
{
if (!((X9ImageField)thisField).Equals((X9ImageField)thatField))
{
return(false);
}
}
}
}
}
}
return(true);
}
/// <summary>
/// Reads and parses the next X9 record from the file. The type parameter must match the type of the next record found.
/// </summary>
public T ReadNextRecord <T>()
{
string recordTypeCode = this.PeekNextRecordTypeCode();
Type recordType = RecordTypes.GetByCode(recordTypeCode);
byte[] recordBytes = this.ReadNextRecordBytes();
if (recordType != null && typeof(T) == recordType)
{
X9Record record = (X9Record)Activator.CreateInstance(recordType);
record.ReadRecord(recordBytes);
return((T)Convert.ChangeType(record, typeof(T)));
}
else if (typeof(T) != recordType)
{
throw new FormatException($"Expected to see {typeof(T).Name}, saw {(recordType != null ? recordType.Name : recordTypeCode)} instead.");
}
else
{
return(default(T));
}
}
