// Parses a HEADER from LINEAGE_LINKED GEDCOM. Returns false if parsing failed and leaves streamReader in its original state.
private bool ParseHeader()
{
CGedcomLine gedcomLine = (CGedcomLine)m_alLines[ m_nLineIndex ];
if( gedcomLine == null || gedcomLine.Tag.Length<4 || gedcomLine.Tag.Substring(0,4) != "HEAD" )
{
// No HEAD tag found (FTM 2006 seems to use "HEADER" instead of "HEAD".)
return false;
}
m_nLineIndex++;
m_header = new CHeader();
for(;;)
{
gedcomLine = (CGedcomLine)m_alLines[ m_nLineIndex ];
if( gedcomLine.Level != 1 )
{
// Either we have the start of another nLevel 0, or an out of sequence nLevel
return true;
}
switch( gedcomLine.Tag )
{
case "SOUR":
ParseApprovedSystemId();
break;
case "DEST":
m_header.m_sReceivingSystemName = gedcomLine.LineItem;
m_nLineIndex++;
break;
case "DATE":
ParseTransmissionDate();
break;
case "SUBM":
m_header.m_xrefSubM = gedcomLine.XrefID;
m_nLineIndex++;
break;
case "SUBN":
m_header.m_xrefSubN = gedcomLine.XrefID;
m_nLineIndex++;
break;
case "FILE":
m_header.m_sFilename = gedcomLine.LineItem;
m_nLineIndex++;
break;
case "COPR":
m_header.m_sCopyright2 = gedcomLine.LineItem;
m_nLineIndex++;
break;
case "GEDC":
ParseGedcomVersion();
break;
case "CHAR":
ParseCharacterSet();
break;
case "LANG":
m_header.m_sLanguage = gedcomLine.LineItem;
m_nLineIndex++;
break;
case "PLAC":
ParsePlaceHierarchy();
break;
case "NOTE":
m_header.m_sGedcomContentDescription = gedcomLine.LineItem;
m_nLineIndex++;
break;
case "CONT":
case "CONC":
m_header.m_sGedcomContentDescription += gedcomLine.LineItem;
m_nLineIndex++;
break;
default:
// Unknown tag, move on to next gedcomLine
m_nLineIndex++;
break;
}
}
}
// Initialise all data of gedcom parser
private void ClearOutParser()
{
m_alLines = new ArrayList();
m_nBytesRead = 0;
m_nBytesTotal = 0;
m_nLineIndex = 0;
m_alFamilyRecords = new ArrayList();
m_htFamilyRecordsXref = new Hashtable();
m_alIndividualRecords = new ArrayList();
m_htIndividualRecordsXref = new Hashtable();
m_alMultimediaRecords = new ArrayList();
m_alNoteRecords = new ArrayList();
m_alRepositoryRecords = new ArrayList();
m_alSourceRecords = new ArrayList();
m_htSourceRecordsXref = new Hashtable();
m_alSubmitterRecords = new ArrayList();
m_header = null;
m_submissionRecord = null;
m_bDataMayStartWithWhitespace = true;
m_ecCharset = ECharset.Unknown8bit;
}