public override void Parse(IMessage message, string @string, ParserOptions parserOptions)
{
if (parserOptions is null)
{
throw new ArgumentNullException(nameof(parserOptions));
}
var messageIter = new Util.MessageIterator(message, "MSH", true);
FilterIterator.IPredicate segmentsOnly = new AnonymousClassPredicate(this);
var segmentIter = new FilterIterator(messageIter, segmentsOnly);
var segments = Split(@string, SegDelim);
var encodingChars = GetEncodingChars(@string);
var delimiter = '|';
for (var i = 0; i < segments.Length; i++)
{
// get rid of any leading whitespace characters ...
if (segments[i] != null && segments[i].Length > 0 && char.IsWhiteSpace(segments[i][0]))
{
segments[i] = StripLeadingWhitespace(segments[i]);
}
// sometimes people put extra segment delimiters at end of msg ...
if (segments[i] != null && segments[i].Length >= 3)
{
var name = segments[i].Substring(0, 3 - 0);
if (i == 0)
{
name = segments[i].Substring(0, 3);
delimiter = segments[i][3];
}
else
{
name = segments[i].IndexOf(delimiter) >= 0
? segments[i].Substring(0, segments[i].IndexOf(delimiter))
: segments[i];
}
Log.Debug("Parsing segment " + name);
messageIter.Direction = name;
FilterIterator.IPredicate byDirection = new AnonymousClassPredicate1(name, this);
var dirIter = new FilterIterator(segmentIter, byDirection);
if (dirIter.MoveNext())
{
Parse((ISegment)dirIter.Current, segments[i], encodingChars, parserOptions);
}
}
}
}
/// <inheritdoc />
public IEnumerator <TElement> GetEnumerator()
{
lock (_originSet) {
if (_elementCache != null)
{
return(_elementCache.GetEnumerator());
}
// Copy all matching items into the cache
_elementCache = new LinearList <TElement>();
using (FilterIterator itr = new FilterIterator(_originSet.GetEnumerator(), _wherePredicate)) {
while (itr.MoveNext())
{
_elementCache.Add(itr.Current);
}
}
return(_elementCache.GetEnumerator());
}
}
/// <summary> Parses a message string and returns the corresponding Message
/// object. Unexpected segments added at the end of their group.
///
/// </summary>
/// <throws> HL7Exception if the message is not correctly formatted. </throws>
/// <throws> EncodingNotSupportedException if the message encoded </throws>
/// <summary> is not supported by this parser.
/// </summary>
protected internal override IMessage DoParse(System.String message, System.String version)
{
//try to instantiate a message object of the right class
MessageStructure structure = GetStructure(message);
IMessage m = InstantiateMessage(structure.messageStructure, version, structure.explicitlyDefined);
//MessagePointer ptr = new MessagePointer(this, m, getEncodingChars(message));
MessageIterator messageIter = new MessageIterator(m, "MSH", true);
FilterIterator.IPredicate segmentsOnly = new AnonymousClassPredicate(this);
FilterIterator segmentIter = new FilterIterator(messageIter, segmentsOnly);
System.String[] segments = Split(message, segDelim);
EncodingCharacters encodingChars = GetEncodingChars(message);
for (int i = 0; i < segments.Length; i++)
{
//get rid of any leading whitespace characters ...
if (segments[i] != null && segments[i].Length > 0 && System.Char.IsWhiteSpace(segments[i][0]))
{
segments[i] = StripLeadingWhitespace(segments[i]);
}
//sometimes people put extra segment delimiters at end of msg ...
if (segments[i] != null && segments[i].Length >= 3)
{
System.String name = segments[i].Substring(0, (3) - (0));
log.Debug("Parsing segment " + name);
messageIter.Direction = name;
FilterIterator.IPredicate byDirection = new AnonymousClassPredicate1(name, this);
FilterIterator dirIter = new FilterIterator(segmentIter, byDirection);
if (dirIter.MoveNext())
{
Parse((ISegment)dirIter.Current, segments[i], encodingChars);
}
}
}
return(m);
}
