/// <summary>
/// Extract the field from the delimited file, removing separators and quotes
/// and any duplicate quotes within the record
/// </summary>
/// <param name="line">line containing record input</param>
/// <returns>Extract information</returns>
public override ExtractedInfo ExtractFieldString(LineInfo line)
{
if (IsOptional && line.IsEOL())
{
return(Visyn.Windows.Io.FileHelper.Core.ExtractedInfo.Empty);
}
if (QuoteChar == '\0')
{
return(BasicExtractString(line));
}
if (TrimMode == TrimMode.Both || TrimMode == TrimMode.Left)
{
line.TrimStart(TrimChars);
}
var quotedStr = QuoteChar.ToString();
if (line.StartsWith(quotedStr))
{
var res = StringHelper.ExtractQuotedString(line,
QuoteChar,
QuoteMultiline == MultilineMode.AllowForBoth || QuoteMultiline == MultilineMode.AllowForRead);
if (TrimMode == TrimMode.Both || TrimMode == TrimMode.Right)
{
line.TrimStart(TrimChars);
}
if (!IsLast &&
!line.StartsWith(Separator) &&
!line.IsEOL())
{
throw new BadUsageException(line,
"The field " + FieldInfo.Name + " is quoted but the quoted char: " + quotedStr +
" not is just before the separator (You can use [FieldTrim] to avoid this error)");
}
return(res);
}
if (QuoteMode == QuoteMode.OptionalForBoth ||
QuoteMode == QuoteMode.OptionalForRead)
{
return(BasicExtractString(line));
}
if (line.StartsWithTrim(quotedStr))
{
throw new BadUsageException(
$"The field '{FieldInfo.Name}' has spaces before the QuotedChar at line {line.mReader.LineNumber}. Use the TrimAttribute to by pass this error. Field String: {line.CurrentString}");
}
throw new BadUsageException(
$"The field '{FieldInfo.Name}' does not begin with the QuotedChar at line {line.mReader.LineNumber}. You can use FieldQuoted(QuoteMode.OptionalForRead) to allow optional quoted field. Field String: {line.CurrentString}");
}
protected override ExtractedInfo ExtractFieldString(LineInfo line)
{
if (mIsOptional && line.IsEOL())
{
return(ExtractedInfo.Empty);
}
if (mQuoteChar == '\0')
{
return(BasicExtractString(line));
}
else
{
//TODO: UnComment and Fix
if (mTrimMode == TrimMode.Both || mTrimMode == TrimMode.Left)
{
//int pos = line.mCurrentPos;
line.TrimStart(mTrimChars);
// from2 = from.TrimStart(mTrimChars);
//res.CharsRemoved = line.mCurrentPos - pos;
}
var quotedStr = mQuoteChar.ToString();
if (line.StartsWith(quotedStr))
{
// ExtractedInfo res = null;
// res = new ExtractedInfo(line, line.mCurrentPos);
return(StringHelper.ExtractQuotedString(line, mQuoteChar, mQuoteMultiline == MultilineMode.AllowForBoth || mQuoteMultiline == MultilineMode.AllowForRead));
// if (mQuoteMultiline == MultilineMode.AllowForBoth || mQuoteMultiline == MultilineMode.AllowForRead)
// {
//
// //res.ExtractedString = ei.ExtractedString;
// //res.CharsRemoved += ei.CharsRemoved;
// //res.ExtraLines = ei.ExtraLines;
// //res.NewRestOfLine = ei.NewRestOfLine;
// }
// else
// {
// return StringHelper.ExtractQuotedString(from2, mQuoteChar, out index);
// //res.CharsRemoved += index;
// }
// return res;
}
else
{
if (mQuoteMode == QuoteMode.OptionalForBoth || mQuoteMode == QuoteMode.OptionalForRead)
{
return(BasicExtractString(line));
}
else if (line.StartsWithTrim(quotedStr))
{
throw new BadUsageException("The field '" + mFieldInfo.Name + "' has spaces before the QuotedChar at line " + line.mReader.LineNumber.ToString() + ". Use the TrimAttribute to by pass this error. Field String: " + line.CurrentString);
}
else
{
throw new BadUsageException("The field '" + mFieldInfo.Name + "' not begin with the QuotedChar at line " + line.mReader.LineNumber.ToString() + ". You can use FieldQuoted(QuoteMode.OptionalForRead) to allow optional quoted field.. Field String: " + line.CurrentString);
}
}
}
}