Exemplo n.º 1
0
        /// <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}");
        }
Exemplo n.º 2
0
        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);
                    }
                }
            }
        }