/// <summary>
/// Renders the value of the column.
/// </summary>
/// <param name="defintion"> The CSV definition. </param>
/// <param name="value"> The value to render. </param>
/// <param name="culture"> the culture to render in. </param>
/// <param name="formatter"> The formatter to use for rendering the value into the cell. </param>
/// <returns>A string that can be directly written into the CSV file. </returns>
protected override string OnRender(ICsvDefinition defintion, IEnumerable <TArray> value, CultureInfo culture, IStringFormatter formatter)
{
var values = value.Select(e => CleanAndFormatValue(defintion, e)).ToArray();
var element = string.Join(this.ElementDelimiter, values);
return(formatter.FormatStringCell(element, defintion.RemoveNewLineCharacters));
}
protected virtual string OnRender(ICsvDefinition defintion, TResult value, CultureInfo formattingCulture, IStringFormatter formatter)
{
if (value == null)
{
return(string.Empty);
}
return(value.ToString());
}
/// <summary>
/// Executed each time the cell/value is written to a file.
/// </summary>
/// <param name="defintion"> The CSV definition. </param>
/// <param name="value"> The value to render. </param>
/// <param name="culture"> the culture to render in. </param>
/// <param name="formatter"> The formatter to use for rendering the value into the cell. </param>
/// <returns>A string that can be directly written into the CSV file. </returns>
public override string[] Render(ICsvDefinition defintion, TSource value, CultureInfo culture, IStringFormatter formatter)
{
var collection = this.Selector(value);
return((from item in collection
let column = converter(item)
select column.Render(defintion, item, culture, formatter))
.SelectMany(elements => elements)
.ToArray());
}
protected override string OnRender(ICsvDefinition defintion, string value, CultureInfo culture, IStringFormatter formatter)
{
var text = this.Format(value ?? string.Empty, culture);
if (this.ForceNumberToTextFormatting)
{
return(formatter.FormatForcedExcelStringCell(text, defintion.RemoveNewLineCharacters));
}
return(formatter.FormatStringCell(text, defintion.RemoveNewLineCharacters));
}
/// <summary>
/// Initializes a new instance of the <see cref="CsvStreamLineReader"/> class.
/// </summary>
/// <param name="definition">The CSV definition.</param>
/// <param name="headers">The header names.</param>
public CsvStreamLineReader(ICsvDefinition definition, HeaderCollection headers)
{
this.headers = headers;
this.definition = definition;
}
/// <summary>
/// Initializes a new instance of the <see cref="CsvStreamLineReader"/> class.
/// </summary>
/// <param name="definition">The CSV definition.</param>
/// <param name="headers">The header names.</param>
public CsvStreamLineReader(ICsvDefinition definition, params string[] headers)
: this(definition, new HeaderCollection(headers))
{
}
/// <summary>
/// Initializes a new instance of the <see cref="CsvStreamLineReader"/> class.
/// </summary>
public CsvStreamLineReader(ICsvDefinition definition)
: this(definition, new string[] { })
{
}
/// <summary>Executed each time the cell/value is written to a file.</summary>
/// <param name="defintion">The CSV definition.</param>
/// <param name="value">The value to render.</param>
/// <param name="culture">the culture to render in.</param>
/// <param name="formatter">The formatter to use for rendering the value into the cell.</param>
/// <returns>A string that can be directly written into the CSV file.</returns>
protected override string OnRender(ICsvDefinition defintion, int?value, CultureInfo culture, IStringFormatter formatter)
{
return(this.Format(value, culture));
}
/// <summary>
/// Renders the specified element contents.
/// </summary>
/// <param name="element">The element.</param>
/// <returns></returns>
public virtual string[] Render(ICsvDefinition definition, TSource element, CultureInfo formattingCulture, IStringFormatter formatter)
{
var value = this.Selector(element);
return(new[] { this.OnRender(definition, value, formattingCulture.Parent, formatter) });
}
/// <summary>
/// Renders the specified element.
/// </summary>
/// <param name="element">The element.</param>
/// <returns></returns>
public override string[] Render(ICsvDefinition defintion, TSource element, CultureInfo culture, IStringFormatter formatter)
{
var collection = this.Selector(element);
return(this.ProcessElementsByHeaderNames(collection, culture, formatter).ToArray());
}
private string CleanAndFormatValue(ICsvDefinition defintion, TArray e)
{
return(this.Format(e).Replace(this.ElementDelimiter, "_"));
}
