Read() public abstract method

public abstract Read ( ) : int
return int
ScanBuff Class Documentation
Exemplo n.º 1
0
        int Scan()
        {
            for (;;)
            {
                int next;
                state = currentStart;
                while ((next = NextState()) == goStart)
                {
                    code = buffer.Read();
                }

                state = next;
                code  = buffer.Read();

                while ((next = NextState()) > eofNum)
                {
                    state = next;
                    code  = buffer.Read();
                }
                if (state <= maxAccept)
                {
                    #region ActionSwitch
#pragma warning disable 162
                    switch (state)
                    {
                    case eofNum:
                        switch (currentStart)
                        {
                        case 11:
                            if (utfX == 0 && uppr == 0)
                            {
                                return(-1);                                /* raw ascii */
                            }
                            else if (uppr * 10 > utfX)
                            {
                                return(0);                                 /* default code page */
                            }
                            else
                            {
                                return(65001);                             /* UTF-8 encoding */
                            }
                            break;
                        }
                        return(EndToken);

                    case 1:     // Recognized '{Upper128}',	Shortest string "\xC0"
                    case 2:     // Recognized '{Upper128}',	Shortest string "\x80"
                    case 3:     // Recognized '{Upper128}',	Shortest string "\xE0"
                    case 4:     // Recognized '{Upper128}',	Shortest string "\xF0"
                        uppr++;
                        break;

                    case 5:     // Recognized '{Utf8pfx4}{Utf8cont}',	Shortest string "\xF0\x80"
                        uppr += 2;
                        break;

                    case 6:     // Recognized '{Utf8pfx4}{Utf8cont}{2}',	Shortest string "\xF0\x80\x80"
                        uppr += 3;
                        break;

                    case 7:     // Recognized '{Utf8pfx4}{Utf8cont}{3}',	Shortest string "\xF0\x80\x80\x80"
                        utfX += 3;
                        break;

                    case 8:     // Recognized '{Utf8pfx3}{Utf8cont}',	Shortest string "\xE0\x80"
                        uppr += 2;
                        break;

                    case 9:     // Recognized '{Utf8pfx3}{Utf8cont}{2}',	Shortest string "\xE0\x80\x80"
                        utfX += 2;
                        break;

                    case 10:     // Recognized '{Utf8pfx2}{Utf8cont}',	Shortest string "\xC0\x80"
                        utfX++;
                        break;

                    default:
                        break;
                    }
#pragma warning restore 162
                    #endregion
                }
            }
        }
Exemplo n.º 2
0
 public void SetSource(Stream source)
 {
     buffer = new BuildBuffer(source);
     code   = buffer.Read();
 }
Exemplo n.º 3
0
 public void SetSource(System.IO.Stream source)
 {
     this.buffer = new BuildBuffer(source);
     code        = buffer.Read();
 }
Exemplo n.º 4
0
 public void SetSource(System.IO.Stream source)
 {
     this.buffer = new BuildBuffer(source);
     code = buffer.Read();
 }