public void WriteStream(TextWriter writer, IEnumerable <MasterDetails <M, D> > records, int maxRecords)
#endif
{
if (writer == null)
{
throw new ArgumentNullException("writer", "The writer of the Stream can be null");
}
if (records == null)
{
throw new ArgumentNullException("records", "The records can be null. Try with an empty array.");
}
ResetFields();
if (mHeaderText != null && mHeaderText.Length != 0)
{
if (mHeaderText.EndsWith(StringHelper.NewLine))
{
writer.Write(mHeaderText);
}
else
{
writer.WriteLine(mHeaderText);
}
}
string currentLine = null;
int max = maxRecords;
if (records is IList)
{
max = Math.Min(max < 0 ? int.MaxValue : max, ((IList)records).Count);
}
#if !MINI
ProgressHelper.Notify(mNotifyHandler, mProgressMode, 0, max);
#endif
int recIndex = 0;
#if !GENERICS
foreach (MasterDetails rec in records)
#else
foreach (MasterDetails <M, D> rec in records)
#endif
{
if (recIndex == maxRecords)
{
break;
}
try
{
if (rec == null)
{
throw new BadUsageException("The record at index " + recIndex.ToString() + " is null.");
}
#if !MINI
ProgressHelper.Notify(mNotifyHandler, mProgressMode, recIndex + 1, max);
#endif
currentLine = mMasterInfo.RecordToString(rec.mMaster);
writer.WriteLine(currentLine);
if (rec.mDetails != null)
{
for (int d = 0; d < rec.mDetails.Length; d++)
{
currentLine = mRecordInfo.RecordToString(rec.mDetails[d]);
writer.WriteLine(currentLine);
}
}
}
catch (Exception ex)
{
switch (mErrorManager.ErrorMode)
{
case ErrorMode.ThrowException:
throw;
case ErrorMode.IgnoreAndContinue:
break;
case ErrorMode.SaveAndContinue:
ErrorInfo err = new ErrorInfo();
err.mLineNumber = mLineNumber;
err.mExceptionInfo = ex;
// err.mColumnNumber = mColumnNum;
err.mRecordString = currentLine;
mErrorManager.AddError(err);
break;
}
}
}
mTotalRecords = recIndex;
if (mFooterText != null && mFooterText != string.Empty)
{
if (mFooterText.EndsWith(StringHelper.NewLine))
{
writer.Write(mFooterText);
}
else
{
writer.WriteLine(mFooterText);
}
}
}
public MasterDetails <M, D>[] ReadStream(TextReader reader)
#endif
{
if (reader == null)
{
throw new ArgumentNullException("reader", "The reader of the Stream can't be null");
}
if (RecordSelector == null)
{
throw new BadUsageException("The RecordSelector can't be null on read operations.");
}
NewLineDelimitedRecordReader recordReader = new NewLineDelimitedRecordReader(reader);
ResetFields();
mHeaderText = String.Empty;
mFooterText = String.Empty;
ArrayList resArray = new ArrayList();
using (ForwardReader freader = new ForwardReader(recordReader, mMasterInfo.mIgnoreLast))
{
freader.DiscardForward = true;
string currentLine, completeLine;
mLineNumber = 1;
completeLine = freader.ReadNextLine();
currentLine = completeLine;
#if !MINI
ProgressHelper.Notify(mNotifyHandler, mProgressMode, 0, -1);
#endif
int currentRecord = 0;
if (mMasterInfo.mIgnoreFirst > 0)
{
for (int i = 0; i < mMasterInfo.mIgnoreFirst && currentLine != null; i++)
{
mHeaderText += currentLine + StringHelper.NewLine;
currentLine = freader.ReadNextLine();
mLineNumber++;
}
}
bool byPass = false;
#if !GENERICS
MasterDetails record = null;
#else
MasterDetails <M, D> record = null;
#endif
ArrayList tmpDetails = new ArrayList();
LineInfo line = new LineInfo(currentLine);
line.mReader = freader;
object[] valuesMaster = new object[mMasterInfo.mFieldCount];
object[] valuesDetail = new object[mRecordInfo.mFieldCount];
while (currentLine != null)
{
try
{
currentRecord++;
line.ReLoad(currentLine);
#if !MINI
ProgressHelper.Notify(mNotifyHandler, mProgressMode, currentRecord, -1);
#endif
RecordAction action = RecordSelector(currentLine);
switch (action)
{
case RecordAction.Master:
if (record != null)
{
#if !GENERICS
record.mDetails = tmpDetails.ToArray();
#else
record.mDetails = (D[])tmpDetails.ToArray();
#endif
resArray.Add(record);
}
mTotalRecords++;
#if !GENERICS
record = new MasterDetails();
#else
record = new MasterDetails <M, D>();
#endif
tmpDetails.Clear();
#if !GENERICS
object lastMaster = mMasterInfo.StringToRecord(line, valuesMaster);
#else
M lastMaster = (M)mMasterInfo.StringToRecord(line, valuesMaster);
#endif
if (lastMaster != null)
{
record.mMaster = lastMaster;
}
break;
case RecordAction.Detail:
#if !GENERICS
object lastChild = mRecordInfo.StringToRecord(line, valuesDetail);
#else
D lastChild = (D)mRecordInfo.StringToRecord(line, valuesDetail);
#endif
if (lastChild != null)
{
tmpDetails.Add(lastChild);
}
break;
default:
break;
}
}
catch (Exception ex)
{
switch (mErrorManager.ErrorMode)
{
case ErrorMode.ThrowException:
byPass = true;
throw;
case ErrorMode.IgnoreAndContinue:
break;
case ErrorMode.SaveAndContinue:
ErrorInfo err = new ErrorInfo();
err.mLineNumber = mLineNumber;
err.mExceptionInfo = ex;
// err.mColumnNumber = mColumnNum;
err.mRecordString = completeLine;
mErrorManager.AddError(err);
break;
}
}
finally
{
if (byPass == false)
{
currentLine = freader.ReadNextLine();
completeLine = currentLine;
mLineNumber = freader.LineNumber;
}
}
}
if (record != null)
{
#if !GENERICS
record.mDetails = tmpDetails.ToArray();
#else
record.mDetails = (D[])tmpDetails.ToArray();
#endif
resArray.Add(record);
}
if (mMasterInfo.mIgnoreLast > 0)
{
mFooterText = freader.RemainingText;
}
}
#if !GENERICS
return((MasterDetails[])resArray.ToArray(typeof(MasterDetails)));
#else
return((MasterDetails <M, D>[])resArray.ToArray(typeof(MasterDetails <M, D>)));
#endif
}
/// <include file='MasterDetailEngine.docs.xml' path='doc/WriteStream2/*'/>
public void WriteStream(TextWriter writer, MasterDetails[] records, int maxRecords)
{
if (writer == null)
{
throw new ArgumentNullException("writer", "The writer of the Stream can be null");
}
if (records == null)
{
throw new ArgumentNullException("records", "The records can be null. Try with an empty array.");
}
ResetFields();
if (mHeaderText != null && mHeaderText.Length != 0)
{
if (mHeaderText.EndsWith(StringHelper.NewLine))
{
writer.Write(mHeaderText);
}
else
{
writer.WriteLine(mHeaderText);
}
}
string currentLine = null;
//ConstructorInfo constr = mType.GetConstructor(new Type[] {});
int max = records.Length;
if (maxRecords >= 0)
{
max = Math.Min(records.Length, maxRecords);
}
#if !MINI
ProgressHelper.Notify(mNotifyHandler, mProgressMode, 0, max);
#endif
for (int i = 0; i < max; i++)
{
try
{
if (records[i] == null)
{
throw new BadUsageException("The record at index " + i.ToString() + " is null.");
}
#if !MINI
ProgressHelper.Notify(mNotifyHandler, mProgressMode, i + 1, max);
#endif
currentLine = mMasterInfo.RecordToString(records[i].mMaster);
writer.WriteLine(currentLine);
if (records[i].mDetails != null)
{
for (int d = 0; d < records[i].mDetails.Length; d++)
{
currentLine = mRecordInfo.RecordToString(records[i].mDetails[d]);
writer.WriteLine(currentLine);
}
}
}
catch (Exception ex)
{
switch (mErrorManager.ErrorMode)
{
case ErrorMode.ThrowException:
throw;
case ErrorMode.IgnoreAndContinue:
break;
case ErrorMode.SaveAndContinue:
ErrorInfo err = new ErrorInfo();
err.mLineNumber = mLineNumber;
err.mExceptionInfo = ex;
// err.mColumnNumber = mColumnNum;
err.mRecordString = currentLine;
mErrorManager.AddError(err);
break;
}
}
}
mTotalRecords = records.Length;
if (mFooterText != null && mFooterText != string.Empty)
{
if (mFooterText.EndsWith(StringHelper.NewLine))
{
writer.Write(mFooterText);
}
else
{
writer.WriteLine(mFooterText);
}
}
}
protected void Notify(ProgressChangeHandler handler, ProgressMode mode, int current, int total)
{
ProgressHelper.Notify(handler, mode, current, total);
}
/// <include file='MasterDetailEngine.docs.xml' path='doc/ReadStream/*'/>
public MasterDetails[] ReadStream(TextReader reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader", "The reader of the Stream can´t be null");
}
if (mRecordSelector == null)
{
throw new BadUsageException("The Recordselector can´t be null, please pass a not null Selector in the constructor.");
}
ResetFields();
mHeaderText = String.Empty;
mFooterText = String.Empty;
ArrayList resArray = new ArrayList();
ForwardReader freader = new ForwardReader(reader, mMasterInfo.mIgnoreLast);
freader.DiscardForward = true;
string currentLine, completeLine;
mLineNumber = 1;
completeLine = freader.ReadNextLine();
currentLine = completeLine;
#if !MINI
ProgressHelper.Notify(mNotifyHandler, mProgressMode, 0, -1);
#endif
int currentRecord = 0;
if (mMasterInfo.mIgnoreFirst > 0)
{
for (int i = 0; i < mMasterInfo.mIgnoreFirst && currentLine != null; i++)
{
mHeaderText += currentLine + StringHelper.NewLine;
currentLine = freader.ReadNextLine();
mLineNumber++;
}
}
bool byPass = false;
MasterDetails record = null;
ArrayList tmpDetails = new ArrayList();
while (currentLine != null)
{
try
{
currentRecord++;
#if !MINI
ProgressHelper.Notify(mNotifyHandler, mProgressMode, currentRecord, -1);
#endif
RecordAction action = mRecordSelector(currentLine);
switch (action)
{
case RecordAction.Master:
if (record != null)
{
record.mDetails = tmpDetails.ToArray();
resArray.Add(record);
}
mTotalRecords++;
record = new MasterDetails();
tmpDetails.Clear();
object lastMaster = mMasterInfo.StringToRecord(currentLine, freader);
if (lastMaster != null)
{
record.mMaster = mMasterInfo.StringToRecord(currentLine, freader);
}
break;
case RecordAction.Detail:
object lastChild = mRecordInfo.StringToRecord(currentLine, freader);
if (lastChild != null)
{
tmpDetails.Add(lastChild);
}
break;
default:
break;
}
}
catch (Exception ex)
{
switch (mErrorManager.ErrorMode)
{
case ErrorMode.ThrowException:
byPass = true;
throw;
case ErrorMode.IgnoreAndContinue:
break;
case ErrorMode.SaveAndContinue:
ErrorInfo err = new ErrorInfo();
err.mLineNumber = mLineNumber;
err.mExceptionInfo = ex;
// err.mColumnNumber = mColumnNum;
err.mRecordString = completeLine;
mErrorManager.AddError(err);
break;
}
}
finally
{
if (byPass == false)
{
currentLine = freader.ReadNextLine();
completeLine = currentLine;
mLineNumber = freader.LineNumber;
}
}
}
if (record != null)
{
record.mDetails = tmpDetails.ToArray();
resArray.Add(record);
}
if (mMasterInfo.mIgnoreLast > 0)
{
mFooterText = freader.RemainingText;
}
return((MasterDetails[])resArray.ToArray(typeof(MasterDetails)));
}