/// <summary>
/// Initializes a new instance of the <see cref="X12Document"/> class
/// from the specified X12 parser.
/// </summary>
/// <param name="parser">The X12 parser.</param>
/// <param name="maxTransactionCount">Maximum number of transactions to load.</param>
public X12Document(X12SegmentParser parser, int maxTransactionCount = int.MaxValue)
: this()
{
if (parser == null) throw new ArgumentNullException("parser");
Load(parser, maxTransactionCount);
}
/// <summary>
/// Loads the document from the specified X12 parser.
/// </summary>
/// <param name="parser">The X12 parser.</param>
/// <param name="maxTransactionCount">Maximum number of transactions to load.</param>
/// <returns>
/// Reference to this document (for chaining commands).
/// </returns>
/// <exception cref="System.ArgumentNullException">parser</exception>
public X12Document Load(X12SegmentParser parser, int maxTransactionCount = int.MaxValue)
{
if (parser == null) throw new ArgumentNullException("parser");
// Prime empty segment container with cached values from the reader if needed
if (Segments.Count == 0) Add(Interchange = parser.Interchange);
if (Segments.Count == 1 && parser.FunctionalGroup != null) Add(parser.FunctionalGroup);
var counter = 0;
while (counter++ < maxTransactionCount)
{
var transaction = parser.ParseNextTransaction().ToList();
if (transaction.Count > 0)
Add(transaction);
else
break;
}
return this;
}
