Esempio n. 1
0
        public void CsvTokenizerTest_DoubleQouteOnRecord()
        {
            using CsvTokenizer tokenizer = new CsvTokenizer(new StringReader("aaa\""));

            CsvToken token = tokenizer.NextToken();

            Assert.AreEqual(CsvTokenType.Eof, token.TokenType);
            Assert.AreEqual("aaa\"", token.Value);
        }
Esempio n. 2
0
        public CsvToken GetToken()
        {
            if (disposed)
            {
                throw new ObjectDisposedException("tokenizer");
            }

            StringBuilder text = null;

            while (true)
            {
                switch (state)
                {
                case TokenizerState.Unknown:
                {
                    input = reader.Read();

                    if (EndOfStream != input)
                    {
                        TextPosition = TextPosition.Begin();
                        //text = new StringBuilder();
                        state = TokenizerState.Reading;

                        break;
                    }

                    state = TokenizerState.EndOfDocument;

                    break;
                }

                case TokenizerState.FlushLastToken:
                {
                    if (null != text && 0 < text.Length)
                    {
                        state = TokenizerState.EndOfDocument;
                        return(CsvToken.String(text.ToString()));
                    }

                    state = TokenizerState.Failed;

                    break;
                }

                case TokenizerState.EndOfDocument:
                {
                    return(CsvToken.End);
                }

                case TokenizerState.Reading:
                {
                    if (EndOfStream == input)
                    {
                        state = null == text ? TokenizerState.EndOfDocument : TokenizerState.FlushLastToken;
                        break;
                    }

                    if (null == text)
                    {
                        //TextPosition = TextPosition.Begin();
                        text = new StringBuilder();
                    }

                    var current = (char)input;

                    if (IsTerm(current))
                    {
                        if (0 < text.Length)
                        {
                            return(CsvToken.String(text.ToString()));
                        }

                        input = reader.Read();

                        return(CsvToken.Terminal(current));
                    }

                    text.Append(current);

                    input = reader.Read();

                    break;
                }

                default:
                {
                    throw new Exception();
                }
                }
            }
        }
Esempio n. 3
0
 static CsvToken()
 {
     End     = new CsvToken(CsvTokenType.End);
     Unknown = new CsvToken(CsvTokenType.Unknown);
 }