private static (IList <DelimitedFileRow>, IDictionary <String, int>) CreateDelimitedRowObjects(IList <String> lines, IDictionary <String, int> columnNameIndexes, Char delimiter, String keyName)
{
IDictionary <String, int> KeyNameToRowIndex = new Dictionary <String, int>();
IList <DelimitedFileRow> rows = new List <DelimitedFileRow>();
bool isKeyNameSpecified = !String.IsNullOrEmpty(keyName);
foreach (String currentLine in lines)
{
#region Locate columns and add to list
DelimitedFileRow delimitedFileRow = new DelimitedFileRow();
PopulateRow(delimiter, columnNameIndexes, currentLine, delimitedFileRow, keyName);
#endregion
rows.Add(delimitedFileRow);
if (isKeyNameSpecified)
{
String keyNameValue = DelimitedFile.GetKey(delimitedFileRow[keyName].Value.ToString());
if (!KeyNameToRowIndex.ContainsKey(keyNameValue))
{
KeyNameToRowIndex.Add(keyNameValue, rows.Count - 1);
}
}
}
return(rows, KeyNameToRowIndex);
}
public static IList <DelimitedFileRow> Compare(DelimitedFile oldFile, DelimitedFile newFile)
{
IList <DelimitedFileRow> unmatchedValues = new List <DelimitedFileRow>();
foreach (DelimitedFileRow oldRow in oldFile.Rows)
{
var match = newFile.Rows.FirstOrDefault(newRow => newRow == oldRow);
if (match is null)
{
unmatchedValues.Add(oldRow);
}
}
return(unmatchedValues);
}