/// <include file='MultiRecordEngine.docs.xml' path='doc/WriteStream2/*'/> public void WriteStream(TextWriter writer, IEnumerable 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 = 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; foreach (object rec in records) { if (recIndex == maxRecords) { break; } try { if (rec == null) { throw new BadUsageException("The record at index " + recIndex.ToString() + " is null."); } bool skip = false; #if !MINI ProgressHelper.Notify(mNotifyHandler, mProgressMode, recIndex + 1, max); skip = OnBeforeWriteRecord(rec); #endif RecordInfo info = (RecordInfo)mRecordInfoHash[rec.GetType()]; if (info == null) { throw new BadUsageException("The record at index " + recIndex.ToString() + " is of type '" + rec.GetType().Name + "' and the engine dont handle this type. You can add it to the constructor."); } if (skip == false) { currentLine = info.RecordToString(rec); #if !MINI currentLine = OnAfterWriteRecord(currentLine, rec); #endif 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; } } recIndex++; } mTotalRecords = recIndex; if (mFooterText != null && mFooterText != string.Empty) { if (mFooterText.EndsWith(StringHelper.NewLine)) { writer.Write(mFooterText); } else { writer.WriteLine(mFooterText); } } }
/// <include file='MultiRecordEngine.docs.xml' path='doc/ReadStream/*'/> public object[] ReadStream(IRecordReader 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(); using (ForwardReader freader = new ForwardReader(reader, mMultiRecordInfo[0].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 (mMultiRecordInfo[0].mIgnoreFirst > 0) { for (int i = 0; i < mMultiRecordInfo[0].mIgnoreFirst && currentLine != null; i++) { mHeaderText += currentLine + StringHelper.NewLine; currentLine = freader.ReadNextLine(); mLineNumber++; } } bool byPass = false; // MasterDetails record = null; ArrayList tmpDetails = new ArrayList(); LineInfo line = new LineInfo(currentLine); line.mReader = freader; while (currentLine != null) { try { mTotalRecords++; currentRecord++; line.ReLoad(currentLine); bool skip = false; #if !MINI ProgressHelper.Notify(mNotifyHandler, mProgressMode, currentRecord, -1); skip = OnBeforeReadRecord(currentLine); #endif Type currType = mRecordSelector(this, currentLine); if (currType != null) { RecordInfo info = (RecordInfo)mRecordInfoHash[currType]; if (skip == false) { object[] values = new object[info.mFieldCount]; object record = info.StringToRecord(line, values); #if !MINI skip = OnAfterReadRecord(currentLine, record); #endif if (skip == false && record != null) { resArray.Add(record); } } } } 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 = freader.LineNumber; 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 (mMultiRecordInfo[0].mIgnoreLast > 0) { mFooterText = freader.RemainingText; } } return(resArray.ToArray()); }
public void WriteStream(TextWriter writer, T[] 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."); } if (records.Length > 0 && records[0] != null && mRecordInfo.mRecordType.IsInstanceOfType(records[0]) == false) { throw new BadUsageException("This engine works with record of type " + mRecordInfo.mRecordType.Name + " and you use records of type " + records[0].GetType().Name); } 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 = mRecordInfo.RecordToString(records[i]); 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); } } }
public T[] ReadStream(TextReader reader) #endif { if (reader == null) { throw new ArgumentNullException("reader", "The reader of the Stream can´t be null"); } ResetFields(); mHeaderText = String.Empty; mFooterText = String.Empty; ArrayList resArray = new ArrayList(); int currentRecord = 0; ForwardReader freader = new ForwardReader(reader, mRecordInfo.mIgnoreLast); freader.DiscardForward = true; string currentLine, completeLine; mLineNumber = 1; completeLine = freader.ReadNextLine(); currentLine = completeLine; #if !MINI ProgressHelper.Notify(mNotifyHandler, mProgressMode, 0, -1); #endif if (mRecordInfo.mIgnoreFirst > 0) { for (int i = 0; i < mRecordInfo.mIgnoreFirst && currentLine != null; i++) { mHeaderText += currentLine + StringHelper.NewLine; currentLine = freader.ReadNextLine(); mLineNumber++; } } bool byPass = false; while (currentLine != null) { try { mTotalRecords++; currentRecord++; #if !MINI ProgressHelper.Notify(mNotifyHandler, mProgressMode, currentRecord, -1); #endif object record = mRecordInfo.StringToRecord(currentLine, freader); if (record != null) { resArray.Add(record); } } 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 = freader.LineNumber; err.mExceptionInfo = ex; // err.mColumnNumber = mColumnNum; err.mRecordString = completeLine; mErrorManager.AddError(err); break; } } finally { if (byPass == false) { currentLine = freader.ReadNextLine(); completeLine = currentLine; mLineNumber++; } } } if (mRecordInfo.mIgnoreLast > 0) { mFooterText = freader.RemainingText; } #if !GENERICS return((object[]) #else return (T[]) #endif resArray.ToArray(RecordType)); }
private T[] ReadStream(TextReader reader, int maxRecords, DataTable dt) #endif { #endif if (reader == null) { throw new ArgumentNullException("reader", "The reader of the Stream can´t be null"); } NewLineDelimitedRecordReader recordReader = new NewLineDelimitedRecordReader(reader); ResetFields(); mHeaderText = String.Empty; mFooterText = String.Empty; ArrayList resArray = new ArrayList(); int currentRecord = 0; using (ForwardReader freader = new ForwardReader(recordReader, mRecordInfo.mIgnoreLast)) { freader.DiscardForward = true; string currentLine, completeLine; mLineNumber = 1; completeLine = freader.ReadNextLine(); currentLine = completeLine; #if !MINI ProgressHelper.Notify(mNotifyHandler, mProgressMode, 0, -1); #endif if (mRecordInfo.mIgnoreFirst > 0) { for (int i = 0; i < mRecordInfo.mIgnoreFirst && currentLine != null; i++) { mHeaderText += currentLine + StringHelper.NewLine; currentLine = freader.ReadNextLine(); mLineNumber++; } } bool byPass = false; if (maxRecords < 0) { maxRecords = int.MaxValue; } LineInfo line = new LineInfo(currentLine); line.mReader = freader; object[] values = new object[mRecordInfo.mFieldCount]; while (currentLine != null && currentRecord < maxRecords) { try { mTotalRecords++; currentRecord++; line.ReLoad(currentLine); bool skip = false; #if !MINI ProgressHelper.Notify(mNotifyHandler, mProgressMode, currentRecord, -1); #if !GENERICS BeforeReadRecordEventArgs e = new BeforeReadRecordEventArgs(currentLine, LineNumber); #else BeforeReadRecordEventArgs <T> e = new BeforeReadRecordEventArgs <T>(currentLine, LineNumber); #endif skip = OnBeforeReadRecord(e); if (e.RecordLineChanged) { line.ReLoad(e.RecordLine); } #endif if (skip == false) { object record = mRecordInfo.StringToRecord(line, values); #if !MINI #if !GENERICS skip = OnAfterReadRecord(currentLine, record); #else skip = OnAfterReadRecord(currentLine, (T)record); #endif #endif if (skip == false && record != null) { #if MINI resArray.Add(record); #else if (dt == null) { resArray.Add(record); } else { dt.Rows.Add(mRecordInfo.RecordToValues(record)); } #endif } } } 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 = freader.LineNumber; err.mExceptionInfo = ex; // err.mColumnNumber = mColumnNum; err.mRecordString = completeLine; mErrorManager.AddError(err); break; } } finally { if (byPass == false) { currentLine = freader.ReadNextLine(); completeLine = currentLine; mLineNumber++; } } } if (mRecordInfo.mIgnoreLast > 0) { mFooterText = freader.RemainingText; } } #if !GENERICS return((object[]) #else return (T[]) #endif resArray.ToArray(RecordType)); }