public static FieldParser BuildParserWithSingleDelimiterAndQualifier(string delimiter, string qualifier)
{
ArgumentVerifier.CheckStringArgument(delimiter, "delimiter");
ArgumentVerifier.CheckStringArgument(qualifier, "qualifier");
FieldParser parser = new FieldParser();
parser.initialParsingState = new ParsingState();
ParsingState fieldState = new ParsingState();
ParsingState qualifiedFieldState = new ParsingState();
MatchTokenParsingState firstQualifierState = new MatchTokenParsingState(qualifier);
MatchTokenParsingState delimiterState = new MatchTokenParsingState(delimiter);
MatchEscapedTokenParsingState secondQualifierState = new MatchEscapedTokenParsingState(qualifier);
parser.initialParsingState.AddNextState(firstQualifierState);
parser.initialParsingState.AddNextState(fieldState);
fieldState.AddNextState(delimiterState);
qualifiedFieldState.AddNextState(secondQualifierState);
firstQualifierState.AddNextState(qualifiedFieldState);
firstQualifierState.SetErrorState(fieldState);
delimiterState.SetErrorState(fieldState);
secondQualifierState.AddNextState(fieldState);
secondQualifierState.SetErrorState(qualifiedFieldState);
return(parser);
}
public RowParser(string columnDelimiter, string rowDelimiter, string qualifier)
{
ArgumentVerifier.CheckStringArgument(rowDelimiter, "rowDelimiter");
if (string.IsNullOrEmpty(columnDelimiter))
{
this.singleColumn = true;
if (string.IsNullOrEmpty(qualifier))
{
this.fieldParser = FieldParser.BuildParserWithSingleDelimiter(rowDelimiter);
}
else
{
this.fieldParser = FieldParser.BuildParserWithSingleDelimiterAndQualifier(rowDelimiter, qualifier);
}
}
else
{
if (string.IsNullOrEmpty(qualifier))
{
this.fieldParser = FieldParser.BuildParserWithTwoDelimiters(columnDelimiter, rowDelimiter);
}
else
{
this.fieldParser = FieldParser.BuildParserWithTwoDelimitersAndQualifier(columnDelimiter, rowDelimiter, qualifier);
}
}
}
public RowParser(string columnDelimiter, string rowDelimiter, string qualifier)
{
ArgumentVerifier.CheckStringArgument(rowDelimiter, "rowDelimiter");
if (string.IsNullOrEmpty(columnDelimiter))
{
this.singleColumn = true;
if (string.IsNullOrEmpty(qualifier))
{
this.fieldParser = FieldParser.BuildParserWithSingleDelimiter(rowDelimiter);
}
else
{
this.fieldParser = FieldParser.BuildParserWithSingleDelimiterAndQualifier(rowDelimiter, qualifier);
}
}
else
{
if (string.IsNullOrEmpty(qualifier))
{
this.fieldParser = FieldParser.BuildParserWithTwoDelimiters(columnDelimiter, rowDelimiter);
}
else
{
this.fieldParser = FieldParser.BuildParserWithTwoDelimitersAndQualifier(columnDelimiter, rowDelimiter, qualifier);
}
}
}
public static FieldParser BuildParserWithSingleDelimiter(string delimiter)
{
ArgumentVerifier.CheckStringArgument(delimiter, "delimiter");
FieldParser parser = new FieldParser();
parser.initialParsingState = new ParsingState();
MatchTokenParsingState delimiterState = new MatchTokenParsingState(delimiter);
parser.initialParsingState.AddNextState(delimiterState);
delimiterState.SetErrorState(parser.initialParsingState);
return(parser);
}
public void SkipHeaderRows(IFileReader reader)
{
ArgumentVerifier.CheckObjectArgument(reader, "reader");
if (this.headerRowsToSkip > 0 && !string.IsNullOrEmpty(this.headerRowDelimiter))
{
FieldParser headerRowFieldParser = FieldParser.BuildParserWithSingleDelimiter(this.headerRowDelimiter);
for (int i = 0; i < this.headerRowsToSkip; i++)
{
headerRowFieldParser.ParseNext(reader);
if (reader.IsEOF)
{
break;
}
}
}
}
public static FieldParser BuildParserWithSingleDelimiter(string delimiter)
{
ArgumentVerifier.CheckStringArgument(delimiter, "delimiter");
FieldParser parser = new FieldParser();
parser.initialParsingState = new ParsingState();
MatchTokenParsingState delimiterState = new MatchTokenParsingState(delimiter);
parser.initialParsingState.AddNextState(delimiterState);
delimiterState.SetErrorState(parser.initialParsingState);
return parser;
}
public static FieldParser BuildParserWithTwoDelimitersAndQualifier(string delimiter, string rowDelimiter, string qualifier)
{
ArgumentVerifier.CheckStringArgument(delimiter, "delimiter");
ArgumentVerifier.CheckStringArgument(rowDelimiter, "rowDelimiter");
ArgumentVerifier.CheckStringArgument(qualifier, "qualifier");
FieldParser parser = new FieldParser();
parser.initialParsingState = new ParsingState();
ParsingState fieldState = new ParsingState();
ParsingState qualifiedFieldState = new ParsingState();
MatchTokenParsingState firstQualifierState = new MatchTokenParsingState(qualifier);
parser.rowDelimiterState = new MatchTokenParsingState(rowDelimiter);
MatchTokenParsingState delimiterState = new MatchTokenParsingState(delimiter);
MatchEscapedTokenParsingState secondQualifierState = new MatchEscapedTokenParsingState(qualifier);
parser.initialParsingState.AddNextState(firstQualifierState);
parser.initialParsingState.AddNextState(fieldState);
fieldState.AddNextState(parser.rowDelimiterState);
fieldState.AddNextState(delimiterState);
qualifiedFieldState.AddNextState(secondQualifierState);
firstQualifierState.AddNextState(qualifiedFieldState);
firstQualifierState.SetErrorState(fieldState);
parser.rowDelimiterState.SetErrorState(fieldState);
delimiterState.SetErrorState(fieldState);
secondQualifierState.AddNextState(fieldState);
secondQualifierState.SetErrorState(qualifiedFieldState);
return parser;
}
static void VerifySuccessfulLastRowFieldParsing(FieldParser parser, IFileReader reader, string expectedText)
{
parser.ParseNext(reader);
Assert.AreEqual<bool>(true, parser.RowDelimiterMatch);
Assert.AreEqual<string>(expectedText, parser.CurrentText);
}
static void VerifySuccessfulFieldParsing(FieldParser parser, IFileReader reader, string expectedText)
{
parser.ParseNext(reader);
Assert.AreEqual<string>(expectedText, parser.CurrentText);
}
