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);
}
}
}
internal static ExtractedInfo ExtractQuotedString(LineInfo line, char quoteChar, bool allowMultiline)
{
// if (line.mReader == null)
// throw new BadUsageException("The reader can´t be null");
if (line.IsEOL())
throw new BadUsageException("An empty String found and can be parsed like a QuotedString try to use SafeExtractQuotedString");
if (line.mLine[line.mCurrentPos] != quoteChar)
throw new BadUsageException("The source string not begins with the quote char: " + quoteChar);
var res = new StringBuilder(32);
//int lines = 0;
var firstFound = false;
var i = line.mCurrentPos + 1;
//bool mustContinue = true;
while (line.mLineStr != null)
{
while (i < line.mLine.Length)
{
if (line.mLine[i] == quoteChar)
{
if (firstFound)
{
// Is an escaped quoted char
res.Append(quoteChar);
firstFound = false;
}
else
{
firstFound = true;
}
}
else
{
if (firstFound)
{
// This was the end of the string
line.mCurrentPos = i;
return new ExtractedInfo(res.ToString());
// ExtractedInfo ei = ;
// return ei;
}
else
{
res.Append(line.mLine[i]);
}
}
i++;
}
if (firstFound)
{
line.mCurrentPos = i;
return new ExtractedInfo(res.ToString());
}
else
{
if (allowMultiline == false)
throw new BadUsageException("The current field has an UnClosed quoted string. Complete line: " + res);
line.ReadNextLine();
res.Append(NewLine);
//lines++;
i = 0;
}
}
throw new BadUsageException("The current field has an unclosed quoted string. Complete Filed String: " + res);
}
