/// <summary>Parses message and dumps contents to props, with keys in the
/// ZYX[a]-b[c]-d-e style.
/// </summary>
public static bool parseMessage(System.Collections.Specialized.NameValueCollection props, System.Collections.ArrayList msgMask, System.String message)
{
bool ok = false;
if (message != null)
{
if (props == null)
{
props = new System.Collections.Specialized.NameValueCollection();
}
SupportClass.Tokenizer messageTokenizer = new SupportClass.Tokenizer(message, segmentSeparators);
if (messageTokenizer.HasMoreTokens())
{
System.String firstSegment = messageTokenizer.NextToken();
NuGenEncodingCharacters encodingChars = new NuGenEncodingCharacters('0', "0000");
if (parseMSHSegmentWhole(props, msgMask, encodingChars, firstSegment))
{
ok = true;
System.Collections.SortedList segmentId2nextRepIdx = new System.Collections.SortedList();
segmentId2nextRepIdx[new System.Text.StringBuilder("MSH").ToString()] = 1;
// in case we find another MSH segment, heh.
while (messageTokenizer.HasMoreTokens())
{
parseSegmentWhole(props, segmentId2nextRepIdx, msgMask, encodingChars, messageTokenizer.NextToken());
}
}
}
}
return(ok);
}
/// <summary>given segment, starting with "MSH", then encoding characters, etc...
/// put MSH[0]-1[0]-1-1 (== MSH-1) and MSH[0]-2[0]-1-1 (== MSH-2) into props, if found,
/// plus everything else found in 'segment'
/// </summary>
protected internal static bool parseMSHSegmentWhole(System.Collections.Specialized.NameValueCollection props, System.Collections.ArrayList msgMask, NuGenEncodingCharacters encodingChars, System.String segment)
{
bool ret = false;
try
{
ER7SegmentHandler handler = new ER7SegmentHandler();
handler.m_props = props;
handler.m_encodingChars = encodingChars;
handler.m_segmentId = "MSH";
handler.m_segmentRepIdx = 0;
if (msgMask != null)
{
handler.m_msgMask = msgMask;
}
else
{
handler.m_msgMask = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10));
handler.m_msgMask.Add(new NuGenDatumPath()); // everything will pass this
// (every DatumPath startsWith the zero-length DatumPath)
}
encodingChars.FieldSeparator = segment[3];
System.Collections.ArrayList nodeKey = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10));
nodeKey.Add(0);
handler.putDatum(nodeKey, System.Convert.ToString(encodingChars.FieldSeparator));
encodingChars.ComponentSeparator = segment[4];
encodingChars.RepetitionSeparator = segment[5];
encodingChars.EscapeCharacter = segment[6];
encodingChars.SubcomponentSeparator = segment[7];
nodeKey[0] = 1;
handler.putDatum(nodeKey, encodingChars.ToString());
if (segment[8] == encodingChars.FieldSeparator)
{
ret = true;
// now -- we recurse
// through fields / field-repetitions / components / subcomponents.
nodeKey.Clear();
nodeKey.Add(2);
parseSegmentGuts(handler, segment.Substring(9), nodeKey);
}
}
catch (System.IndexOutOfRangeException)
{
}
catch (System.NullReferenceException)
{
}
return(ret);
}
/// <summary>pass in a whole segment (of type other than MSH), including message type
/// at the start, according to encodingChars, and we'll parse the contents and
/// put them in props.
/// </summary>
protected internal static void parseSegmentWhole(System.Collections.Specialized.NameValueCollection props, System.Collections.IDictionary segmentId2nextRepIdx, System.Collections.ArrayList msgMask, NuGenEncodingCharacters encodingChars, System.String segment)
{
try
{
System.String segmentId = segment.Substring(0, (3) - (0));
int currentSegmentRepIdx = 0;
if (segmentId2nextRepIdx.Contains(segmentId))
{
currentSegmentRepIdx = ((System.Int32)segmentId2nextRepIdx[segmentId]);
}
else
{
currentSegmentRepIdx = 0;
}
segmentId2nextRepIdx[segmentId] = (System.Int32)(currentSegmentRepIdx + 1);
// will only bother to parse this segment if any of it's contents will
// be dumped to props.
bool parseThisSegment = false;
NuGenDatumPath segmentIdAsDatumPath = (new NuGenDatumPath()).add(segmentId);
for (System.Collections.IEnumerator maskIt = msgMask.GetEnumerator(); !parseThisSegment && maskIt.MoveNext();)
{
parseThisSegment = segmentIdAsDatumPath.startsWith((NuGenDatumPath)(maskIt.Current));
}
for (System.Collections.IEnumerator maskIt = msgMask.GetEnumerator(); !parseThisSegment && maskIt.MoveNext();)
{
parseThisSegment = ((NuGenDatumPath)(maskIt.Current)).startsWith(segmentIdAsDatumPath);
}
if (parseThisSegment && (segment[3] == encodingChars.FieldSeparator))
{
ER7SegmentHandler handler = new ER7SegmentHandler();
handler.m_props = props;
handler.m_encodingChars = encodingChars;
handler.m_segmentId = segmentId;
if (msgMask != null)
{
handler.m_msgMask = msgMask;
}
else
{
handler.m_msgMask = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10));
handler.m_msgMask.Add(new NuGenDatumPath()); // everything will pass this
// (every DatumPath startsWith the zero-length DatumPath)
}
handler.m_segmentRepIdx = currentSegmentRepIdx;
System.Collections.ArrayList nodeKey = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10));
nodeKey.Add(0);
parseSegmentGuts(handler, segment.Substring(4), nodeKey);
}
}
catch (System.NullReferenceException)
{
}
catch (System.IndexOutOfRangeException)
{
}
}
private NuGenEncodingCharacters enc; //used to check for content in parts of a message
/// <summary>Creates a new instance of DefaultValidator </summary>
public NuGenDefaultValidator()
{
enc = new NuGenEncodingCharacters('|', null); //the | is assumed later -- don't change
}
