private static EvalFileHeaderRecord ReadHeader(byte[] bytes, int recordNum)
{
var pEvalHeader = recordNum * 8;
var thisHeader = new EvalFileHeaderRecord
{
evalHdrNbr = BitConverter.ToUInt16(bytes, pEvalHeader)
};
pEvalHeader += 2;
thisHeader.numEvals = BitConverter.ToUInt16(bytes, pEvalHeader);
pEvalHeader += 2;
thisHeader.evalOffset = BitConverter.ToUInt32(bytes, pEvalHeader);
pEvalHeader += 4;
thisHeader.data = new EvalFileDataRecord[thisHeader.numEvals];
var pEvalData = (int)thisHeader.evalOffset;
for (var i = 0; i < thisHeader.numEvals; i++)
{
var thisData = new EvalFileDataRecord
{
evalElem = BitConverter.ToInt16(bytes, pEvalData)
};
pEvalData += 2;
thisData.fragNbr = BitConverter.ToUInt16(bytes, pEvalData);
pEvalData += 2;
thisHeader.data[i] = thisData;
}
return(thisHeader);
}
public static EvalFile LoadFromXml(string evalXmlFilePath)
{
var toReturn = new EvalFile();
var headers = new EvalFileHeaderRecord[0];
using (var fs = new FileStream(evalXmlFilePath, FileMode.Open, FileAccess.Read))
using (XmlReader xr = new XmlTextReader(fs))
{
var thisHeader = new EvalFileHeaderRecord();
var dataRecords = new EvalFileDataRecord[0];
long thisEvalElement = 0;
while (xr.Read())
{
if (xr.NodeType == XmlNodeType.Element && xr.Name == "EvalFile")
{
//string numEvalsString = xr.GetAttribute("numEvals");
//parsed = Int64.TryParse(numEvalsString, out val);
//if (parsed)
//{
// headers = new EvalFileHeaderRecord[val];
//}
//else
//{
// throw new IOException(string.Format("Could not parse {0}, bad or missing @numEvals attribute in /EvalFile root element.", evalXmlFilePath));
//}
headers = new EvalFileHeaderRecord[0];
}
long val;
bool parsed;
if (xr.NodeType == XmlNodeType.Element && xr.Name == "Eval")
{
thisHeader = new EvalFileHeaderRecord();
var evalIdString = xr.GetAttribute("id");
parsed = Int64.TryParse(evalIdString, out val);
if (parsed)
{
thisHeader.evalHdrNbr = (ushort)val;
}
else
{
throw new IOException(
string.Format(
"Could not parse {0}, bad or missing @id attribute in /EvalFile/Eval element.",
evalXmlFilePath));
}
//string numEvalsString = xr.GetAttribute("numElements");
//parsed = Int64.TryParse(numEvalsString, out val);
//if (parsed)
//{
// dataRecords = new EvalFileDataRecord[val];
// thisEvalElement = 0;
//}
//else
//{
// throw new IOException(string.Format("Could not parse {0}, bad or missing @numElements attribute in /EvalFile/Eval element.", evalXmlFilePath));
//}
dataRecords = new EvalFileDataRecord[0];
thisEvalElement = 0;
}
else if (xr.NodeType == XmlNodeType.Element && xr.Name == "Element")
{
var thisDataRecord = new EvalFileDataRecord();
var evalElem = xr.GetAttribute("evalElem");
parsed = Int64.TryParse(evalElem, out val);
if (parsed)
{
thisDataRecord.evalElem = (short)val;
}
else
{
throw new IOException(
string.Format(
"Could not parse {0}, bad or missing @evalElem attribute in /EvalFile/Eval/Element element.",
evalXmlFilePath));
}
var fragNbr = xr.GetAttribute("fragId");
parsed = Int64.TryParse(fragNbr, out val);
if (parsed)
{
thisDataRecord.fragNbr = (ushort)val;
}
else
{
throw new IOException(
string.Format(
"Could not parse {0}, bad or missing @fragId attribute in /EvalFile/Eval/Element element.",
evalXmlFilePath));
}
if (thisEvalElement > dataRecords.Length - 1)
{
//throw new IOException(string.Format("Could not parse {0}, number of /EvalFile/Eval/Element elements exceeds @numElements attribute value declared in parent /EvalFile/Eval tag.", evalXmlFilePath));
Array.Resize(ref dataRecords, (int)thisEvalElement + 1);
}
//else
//{
dataRecords[thisEvalElement] = thisDataRecord;
thisEvalElement++;
//}
}
else if (xr.NodeType == XmlNodeType.EndElement && xr.Name == "Eval")
{
thisHeader.data = dataRecords;
if (thisHeader.evalHdrNbr > headers.Length - 1)
{
//throw new IOException(string.Format("Could not parse {0}, @id attribute in /EvalFile/Eval element exceeds (@numEvals-1) attribute value declared in /EvalFile root element.", evalXmlFilePath));
Array.Resize(ref headers, thisHeader.evalHdrNbr + 1);
}
//else
//{
headers[thisHeader.evalHdrNbr] = thisHeader;
//}
}
}
}
toReturn.Headers = headers;
toReturn.FixupOffsets();
return(toReturn);
}