private bool ReadCsvLines(StreamReader stream, string filename)
{
bool foundAChange = false;
int lineNum = 0;
string line = stream.ReadLine();
if (line != null)
{
lineNum++;
//List<string> headers = GetCsvHeaders(line);
while ((line = stream.ReadLine()) != null)
{
lineNum++;
string[] info = line.Split(',');
MxeWord tempWord = new MxeWord(Int16.MinValue, "hId");
tempWord.CheckOriginal = false;
tempWord.SetValue(tempWord.Header, info[0]);
int indexId = tempWord.GetValueAsRawInt();
if (!_indexes.ContainsKey(indexId))
{
Console.Out.WriteLine(String.Format(CSV_MATCH_ERROR, filename, indexId));
continue;
}
List <string> data = info.ToList();
MtpIndexEntry index = _indexes[indexId];
bool thisOneChanged = HandleSentenceLengthChanges(data, index);
foundAChange = thisOneChanged || foundAChange;
}
}
return(foundAChange);
}
private void WriteCsvItems(StreamWriter stream)
{
MtpIndexEntry.WriteCsvHeaders(stream);
stream.Write(stream.NewLine);
foreach (MtpIndexEntry mie in _indexes.Values)
{
mie.WriteCsv(stream);
stream.Write(stream.NewLine);
}
}
protected override void ReadTableMeta(FileStream stream)
{
_sentenceCount = new MxeWord(_sentenceCountPos, "i");
_aCount = new MxeWord(_aCountPos, "i");
_bCount = new MxeWord(_bCountPos, "i");
_eofcOne = new MxeWord(_eofcOnePos, "i");
_eofcTwo = new MxeWord(_eofcTwoPos, "i");
_sentenceCount.ReadFromFile(stream);
_aCount.ReadFromFile(stream);
_bCount.ReadFromFile(stream);
_eofcOne.ReadFromFile(stream);
_eofcTwo.ReadFromFile(stream);
int sc = (int)_sentenceCount.GetValueAsRawInt();
int ac = (int)_aCount.GetValueAsRawInt(); // this is also the size of the index entries
int bc = (int)_bCount.GetValueAsRawInt();
int pos = _aBlockPos + _aCount.Length * ac + _bCount.Length * bc;
Console.Out.WriteLine("Sentence count: " + sc);
_indexesStart = pos;
List <MtpIndexEntry> entries = new List <MtpIndexEntry>();
MtpIndexEntry prevE = null;
for (int i = 0; i < sc; i++)
{
MtpIndexEntry e = new MtpIndexEntry(pos, this, prevE);
if (ac == 0x14)
{
e = new MtpIndexExtendedEntry(pos, this, prevE);
}
entries.Add(e);
prevE = e;
pos += _sentenceCount.Length * ac;
}
_sentencesStart = pos;
//can't read or setup all this stuff until after _sentencesStart is set.
foreach (MtpIndexEntry e in entries)
{
e.ReadEntry(stream);
_indexes.Add(e.Id.GetValueAsRawInt(), e);
}
int endingLoc = prevE.Sentence.Sentence.Position + prevE.Sentence.Sentence.Length;
_restOfIt = new ByteString(endingLoc, (int)stream.Length - endingLoc);
_restOfIt.ReadFromFile(stream);
}
private bool HandleSentenceLengthChanges(List <string> data, MtpIndexEntry index)
{
string d0 = data[0];
int previousSentenceLength = index.Sentence.Size.GetValueAsRawInt();
bool thisOneChanged = index.ReadCsvLineData(data);
if (thisOneChanged)
{
int diff = index.Sentence.Size.GetValueAsRawInt() - previousSentenceLength;
if (diff != 0)
{
if (diff % 4 != 0)
{
diff += 4 - diff % 4; // addresses are word aligned, so difference changes need to be word aligned as well.
}
Console.Out.WriteLine(String.Format(@"Adjusting positions of other objects due to length change of [{0}]", d0));
_eofcOne.SetValue(_eofcOne.Header, String.Empty + (_eofcOne.GetValueAsRawInt() + diff), true);
_eofcTwo.SetValue(_eofcTwo.Header, String.Empty + (_eofcTwo.GetValueAsRawInt() + diff), true);
_restOfIt.Position += diff;
int changePosition = index.Sentence.Size.Position;
foreach (MtpIndexEntry mie in _indexes.Values)
{
if (mie.Sentence.Size.Position > changePosition)
{
mie.Sentence.Size.Position += diff;
mie.Sentence.Sentence.Position += diff;
int thisStart = mie.Start.GetValueAsRawInt();
mie.Start.SetValue("ziStart", String.Empty + (thisStart + diff), true);
}
}
Console.Out.WriteLine(String.Format(@"Done with positions of other objects due to length change of [{0}]", d0));
}
}
return(thisOneChanged);
}
