/// <summary>
/// Writes the indexed <paramref name="column"/> from the <paramref name="record"/> to the line data <see cref="StringBuilder"/>.
/// </summary>
/// <param name="fcr">The corresponding <see cref="FileColumnReflector"/> configuration.</param>
/// <param name="record">The related <see cref="FileRecord"/>.</param>
/// <param name="column">The column index.</param>
/// <param name="sb">The line data <see cref="StringBuilder"/>.</param>
/// <returns><c>true</c> indicates that the column write was successful; otherwise, <c>false</c>.</returns>
protected override bool WriteColumnToLineData(FileColumnReflector fcr, FileRecord record, int column, StringBuilder sb)
{
Check.NotNull(fcr, nameof(fcr));
Check.NotNull(sb, nameof(sb));
// Get the string value and correct the width if needed.
var str = column > Check.NotNull(record, nameof(record)).Columns.Count ? null : record.Columns[column];
if (string.IsNullOrEmpty(str))
{
sb.Append(PaddingChar, fcr.FileColumn.Width);
}
else
{
// Validate/correct the string value to ensure column width conformance.
if (!fcr.StringWidthCorrector(record, ref str))
{
return(false);
}
sb.Append(str.PadRight(fcr.FileColumn.Width, PaddingChar));
}
return(true);
}
/// <summary>
/// Initializes a new instance of the <see cref="NumberConverter{T}"/> class.
/// </summary>
public NumberConverter()
{
_typeCode = FileColumnReflector.GetTypeCode(typeof(T));
switch (_typeCode)
{
case TypeCode.Decimal:
case TypeCode.Double:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
case TypeCode.Single:
case TypeCode.Byte:
case TypeCode.SByte:
case TypeCode.UInt16:
case TypeCode.UInt32:
case TypeCode.UInt64:
break;
default:
throw new InvalidOperationException("Type T must be a numeric Type.");
}
}
/// <summary>
/// Writes the indexed <paramref name="column"/> from the <paramref name="record"/> to the line data <see cref="StringBuilder"/>.
/// </summary>
/// <param name="fcr">The corresponding <see cref="FileColumnReflector"/> configuration.</param>
/// <param name="record">The related <see cref="FileRecord"/>.</param>
/// <param name="column">The column index.</param>
/// <param name="sb">The line data <see cref="StringBuilder"/>.</param>
/// <returns><c>true</c> indicates that the column write was successful; otherwise, <c>false</c>.</returns>
protected override bool WriteColumnToLineData(FileColumnReflector fcr, FileRecord record, int column, StringBuilder sb)
{
// Delimit each column.
if (column > 0)
{
sb.Append(Delimiter);
}
// Get the string value and correct the width if needed.
var str = column > record.Columns.Length ? null : record.Columns[column];
// Override if it is the hierarchy column.
if (HierarchyColumnIndex.HasValue && HierarchyColumnIndex.Value == column)
{
str = record.RecordIdentifier;
}
// Where null this means there is nothing specific to write.
if (string.IsNullOrEmpty(str))
{
return(true);
}
// Validate/correct the string value to ensure column width conformance.
if (!fcr.StringWidthCorrector(record, ref str))
{
return(false);
}
// Check if the column content contains the delimiter and handle accordingly.
var qualify = fcr.PropertyTypeCode == TypeCode.String && TextQualifier != NoCharacter && !TextQualifierOnlyWithDelimiterOnWrite;
if (str.IndexOf(Delimiter) >= 0)
{
if (TextQualifier == NoCharacter)
{
record.Messages.Add(MessageType.Error, "Text delimiter character found inside column text; no text qualifier has been specified and would result in errant record.");
return(false);
}
else
{
qualify = true;
}
}
// Double qualify a qualifier inside of the text.
if (TextQualifier != NoCharacter)
{
if (!qualify && str.IndexOf(TextQualifier) >= 0)
{
qualify = true;
}
if (qualify)
{
str = str.Replace(TextQualifier.ToString(), new string(TextQualifier, 2));
}
}
if (qualify)
{
sb.Append(TextQualifier);
}
sb.Append(str);
if (qualify)
{
sb.Append(TextQualifier);
}
return(true);
}
/// <summary> /// Writes the indexed <paramref name="column"/> from the <paramref name="record"/> to the line data <see cref="StringBuilder"/>. /// </summary> /// <param name="fcr">The corresponding <see cref="FileColumnReflector"/> configuration.</param> /// <param name="record">The related <see cref="FileRecord"/>.</param> /// <param name="column">The column index.</param> /// <param name="sb">The line data <see cref="StringBuilder"/>.</param> /// <returns><c>true</c> indicates that the column write was successful; otherwise, <c>false</c>.</returns> /// <remarks>Implementers must use <see cref="FileColumnReflector"/> <see cref="FileColumnReflector.StringWidthCorrector(FileRecord, ref string)"/> to /// validate and correct the column string prior to updating the line data to ensure that the configured file and column formatting rules are adhered to.</remarks> protected abstract bool WriteColumnToLineData(FileColumnReflector fcr, FileRecord record, int column, StringBuilder sb);
/// <summary>
/// Writes the indexed <paramref name="column"/> from the <paramref name="record"/> to the line data <see cref="StringBuilder"/>.
/// </summary>
/// <param name="fcr">The corresponding <see cref="FileColumnReflector"/> configuration.</param>
/// <param name="record">The related <see cref="FileRecord"/>.</param>
/// <param name="column">The column index.</param>
/// <param name="sb">The line data <see cref="StringBuilder"/>.</param>
/// <returns><c>true</c> indicates that the column write was successful; otherwise, <c>false</c>.</returns>
/// <remarks>Implementers must use <see cref="FileColumnReflector"/> <see cref="FileColumnReflector.StringWidthCorrector(FileRecord, ref string)"/> to
/// validate and correct the column string prior to updating the line data to ensure that the configured file and column formatting rules are adhered to.</remarks>
internal bool WriteColumnToLineDataInternal(FileColumnReflector fcr, FileRecord record, int column, StringBuilder sb)
{
return(WriteColumnToLineData(fcr, record, column, sb));
}
