private void AppendExpression(CsvHeaders <TEntity> csvHeaders, UnaryExpression unaryExpression)
{
switch (unaryExpression.NodeType)
{
case ExpressionType.Convert:
Append(csvHeaders, unaryExpression.Operand);
break;
default:
throw new ArgumentException($"Expression type {unaryExpression.NodeType} not supported.");
}
;
}
private void AppendExpression(CsvHeaders <TEntity> csvHeaders, NewExpression newExpression)
{
switch (newExpression.NodeType)
{
case ExpressionType.New:
foreach (MemberExpression memberExpression in newExpression.Arguments)
{
AppendExpression(csvHeaders, memberExpression);
}
break;
default:
throw new ArgumentException($"Expression type {newExpression.NodeType} not supported.");
}
;
}
private void AppendExpression(CsvHeaders <TEntity> csvHeaders, MemberExpression expression)
{
if (expression.Expression.NodeType == ExpressionType.Parameter)
{
var memberInfo = expression.Member;
var headerAttr = memberInfo.GetCustomAttribute <CsvHeaderAttribute>();
if (headerAttr != null)
{
csvHeaders.Add(headerAttr.Name);
}
else
{
csvHeaders.Add(memberInfo.Name);
}
}
else
{
Append(csvHeaders, expression.Expression);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="CsvTableReader"/> class.
/// </summary>
/// <param name="csvReader">The <see cref="CsvReader"/> as source</param>
/// <param name="csvConverterResolver">Your own implementation of a value converter resolver</param>
/// <param name="csvHeaders">List of csv headers</param>
public CsvTableReader(CsvReader csvReader, ICsvConverterResolver csvConverterResolver, CsvHeaders csvHeaders)
: base(csvHeaders, csvConverterResolver)
{
_csvReader = csvReader;
}
/// <summary>
/// Initializes a new instance of the <see cref="CsvTableReader"/> class.
/// </summary>
/// <param name="csvReader">The <see cref="CsvReader"/> as source</param>
/// <param name="csvHeaders">List of csv headers</param>
public CsvTableReader(CsvReader csvReader, CsvHeaders csvHeaders)
: base(csvHeaders)
{
_csvReader = csvReader;
}
/// <summary>
/// Initializes a new instance of the <see cref="CsvTableWriter"/> class.
/// </summary>
/// <param name="csvWriter">The <see cref="CsvWriter"/> as source</param>
/// <param name="csvHeaders">List of csv headers</param>
public CsvTableWriter(CsvWriter csvWriter, CsvHeaders csvHeaders)
: base(csvHeaders)
{
_csvWriter = csvWriter;
}
private void AppendExpression(CsvHeaders <TEntity> csvHeaders, Expression expression)
{
throw new ArgumentException($"Expression type {expression.NodeType} not supported.");
}
public void Append(CsvHeaders <TEntity> csvHeaders, Expression expression)
{
AppendExpression(csvHeaders, (dynamic)expression);
}
/// <summary>
/// Initializes a new instance of the <see cref="CsvLineTableWriter"/> class.
/// </summary>
/// <param name="csvLineBuilder">The <see cref="CsvLineBuilder"/> as string generator</param>
/// <param name="csvConverterResolver">Your own implementation of a value converter resolver</param>
/// <param name="csvHeaders">List of csv headers</param>
public CsvLineTableWriter(CsvLineBuilder csvLineBuilder, ICsvConverterResolver csvConverterResolver, CsvHeaders csvHeaders)
: base(csvHeaders, csvConverterResolver)
{
_csvLineBuilder = csvLineBuilder;
Array.Resize(ref _csvValues, csvHeaders.Count());
}
/// <summary>
/// Initializes a new instance of the <see cref="CsvLineTableReader"/> class.
/// </summary>
/// <param name="csvLineParser">The <see cref="CsvLineParser"/> as string parser</param>
/// <param name="csvHeaders">List of csv headers</param>
public CsvLineTableReader(CsvLineParser csvLineParser, CsvHeaders csvHeaders)
: base(csvHeaders)
{
_csvLineParser = csvLineParser;
}
