/// <summary>
/// Create the comma-delimited representation of a set of data and escapes.
/// </summary>
/// <remarks>
/// The escapes are inserted into the comma-delimited list in the appropriate places.
/// Any escape that occurs after the last element is ignored.
/// </remarks>
/// <param name="values">The collection of values to store.</param>
/// <exception cref="ArgumentNullException">
/// If the parameter <paramref name="values"/> is null.
/// </exception>
protected void SetOtherData(IList <OtherItemDataCsvItem> values)
{
Validator.ThrowIfArgumentNull(values, nameof(values), Resources.OtherItemDataValuesNull);
StringBuilder builder = new StringBuilder();
int currentItemIndex = 0;
foreach (OtherItemDataCsvItem item in values)
{
if (currentItemIndex != 0)
{
builder.Append(",");
}
OtherItemDataCsvEscape itemEscape = item as OtherItemDataCsvEscape;
if (itemEscape != null)
{
string name = itemEscape.Name.Replace("=", @"\=");
string value = itemEscape.Value.Replace("=", @"\=");
builder.Append(name);
builder.Append("=");
builder.Append(value);
}
OtherItemDataCsvDouble itemDouble = item as OtherItemDataCsvDouble;
if (itemDouble != null)
{
builder.Append(itemDouble.Value.ToString());
}
OtherItemDataCsvString itemString = item as OtherItemDataCsvString;
if (itemString != null)
{
string value = itemString.Value.Replace("=", @"\=");
value = itemString.Value.Replace(",", @"\,");
builder.Append(value);
}
currentItemIndex++;
}
Data = builder.ToString();
ContentType = "text/csv";
ContentEncoding = string.Empty;
}
/// <summary>
/// Parse the comma-separated representation into an array of strings.
/// </summary>
/// <remarks>
/// When this method returns, the Escapes collection will contain any
/// escapes encountered during the parsing.
/// </remarks>
/// <returns>A collection of the strings.</returns>
/// <exception cref="ArgumentException">
/// If the content type is not "text/csv".
/// </exception>
/// <exception cref="ArgumentNullException">
/// If the Data section is null.
/// </exception>
protected Collection <OtherItemDataCsvItem> GetAsString()
{
if (ContentType != "text/csv")
{
throw new ArgumentException(Resources.OtherItemDataFormat, nameof(ContentType));
}
Validator.ThrowIfArgumentNull(Data, nameof(Data), Resources.OtherItemDataNull);
Collection <OtherItemDataCsvItem> values = new Collection <OtherItemDataCsvItem>();
List <string> stringValues = BreakStringAtCharacter(Data, ',');
for (int i = 0; i < stringValues.Count; i++)
{
// Get current value, remove any comma escapes (no longer needed)...
string current = stringValues[i].Replace(@"\,", ",");
// See if this is a name=value escape...
List <string> escapeParts = BreakStringAtCharacter(current, '=');
for (int parts = 0; parts < escapeParts.Count; parts++)
{
escapeParts[0] = escapeParts[0].Replace(@"\=", "=");
escapeParts[0] = escapeParts[0].Replace(@"\\", @"\");
}
if (escapeParts.Count >= 2)
{
OtherItemDataCsvEscape escapeItem = new OtherItemDataCsvEscape(escapeParts[0], escapeParts[1]);
values.Add(escapeItem);
}
else
{
values.Add(new OtherItemDataCsvString(escapeParts[0]));
}
}
return(values);
}