/// <summary>
/// This method tries to write a particular line into given stream according
/// to given parameter set.
/// </summary>
/// <remarks>
/// This method may throw exceptions which must be handled by the caller.
/// </remarks>
/// <param name="writer">
/// The stream writer to be used to push data.
/// </param>
/// <param name="separator">
/// The delimiter to be used to separate each column.
/// </param>
/// <param name="textual">
/// The flag indicating how strings have to be handled. If true then all string
/// are enclosed in double-quotes. If false then only the necessary strings are
/// enclosed in double-quotes.
/// </param>
/// <param name="culture">
/// The culture to be used for data conversion.
/// </param>
/// <param name="mapping">
/// The mapping to be used for value transformation.
/// </param>
/// <param name="values">
/// A list of values representing a single line of the CSV file.
/// </param>
private static void WriteLine(StreamWriter writer, Char separator, Boolean textual, CultureInfo culture, CsvMappings mapping, IEnumerable <Object> values)
{
StringBuilder builder = new StringBuilder(1024);
if (values != null && values.Any())
{
foreach (Object value in values)
{
String current = ProcessHelper.ConvertToString(value, culture, mapping);
builder.Append(ProcessHelper.ConvertToOutput(current, separator, textual));
}
}
writer.WriteLine(ProcessHelper.FixupOutput(builder, separator).ToString());
}
/// <summary>
/// This method tries to write the header information into given stream
/// according to given parameter set.
/// </summary>
/// <remarks>
/// <para>
/// The method writes either the predefined CSV column header or the name
/// of the original property.
/// </para>
/// <para>
/// This method may throw exceptions which must be handled by the caller.
/// </para>
/// </remarks>
/// <param name="writer">
/// The stream writer to be used to push data.
/// </param>
/// <param name="separator">
/// The delimiter to be used to separate each column.
/// </param>
/// <param name="textual">
/// The flag indicating how strings have to be handled. If true then all
/// string are enclosed in double-quotes. If false then only the necessary
/// strings are enclosed in double-quotes.
/// </param>
/// <param name="settings">
/// A list of settings that describe the expected structure of the CSV
/// file.
/// </param>
private static void WriteHead(StreamWriter writer, Char separator, Boolean textual, IEnumerable <ItemDescriptor> settings)
{
StringBuilder builder = new StringBuilder(1024);
foreach (ItemDescriptor setting in settings)
{
if (setting.Column.IsHeader)
{
builder.Append(ProcessHelper.ConvertToOutput(setting.Column.Header, separator, textual));
}
else
{
builder.Append(ProcessHelper.ConvertToOutput(setting.Origin.Name, separator, textual));
}
}
writer.WriteLine(ProcessHelper.FixupOutput(builder, separator).ToString());
}
public void ConvertToOutput_ValueAutoQuoting_ResultAsExpected(String value, Char separator, Boolean quoting, String expected)
{
Assert.That(ProcessHelper.ConvertToOutput(value, separator, quoting), Is.EqualTo(expected));
}