private IEnumerable <string> _readLines(Stream stream, Encoding encoding)
{
var buffer = new byte[512];
var decoder = encoding.GetDecoder();
var readSize = buffer.Length;
var esb = new ExtendedStringBuilder();
while (stream.Position < stream.Length)
{
var remaining = stream.Length - stream.Position;
if (remaining < buffer.Length)
{
readSize = (int)remaining;
}
stream.Read(buffer, 0, readSize);
var chars = new char[decoder.GetCharCount(buffer, 0, readSize)];
decoder.GetChars(buffer, 0, readSize, chars, 0);
foreach (char c in chars)
{
esb += c;
}
if (esb.Contains(RowDelimiter))
{
string str = esb;
string[] parts = str.QuotedSplit(RowDelimiter).ToArray();
for (int i = 0; i < parts.Length - 1; i++)
{
yield return(parts[i]);
}
esb.Length = 0;
esb += parts[parts.Length - 1];
}
}
{
string str = esb;
string[] parts = str.QuotedSplit(RowDelimiter).ToArray();
for (int i = 0; i < parts.Length; i++)
{
yield return(parts[i]);
}
}
}