/// <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(String message, 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); 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 && 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) { 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; }
/// <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(String message, 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); string lastSegmentName = null; 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 && 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) { String name = segments[i].Substring(0, (3) - (0)); log.Debug("Parsing segment " + name); if (!name.Equals(lastSegmentName, StringComparison.CurrentCultureIgnoreCase)) { // If the message iterator passes a segment that is later encountered the message object won't be properly parsed. // Rebuild the iterator for each segment, or fix iterator logic in handling unexpected segments. messageIter = new MessageIterator(m, "MSH", true); segmentsOnly = new AnonymousClassPredicate(this); segmentIter = new FilterIterator(messageIter, segmentsOnly); lastSegmentName = 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; }