gt:             else if ((c & 0xFC) == 0xF8)  /* 1111 10XX  five bytes */
context: /*
   * @(#)StreamInImpl.java   1.11 2000/08/16
   *
   */
  
  package org.w3c.tidy;
  
  /**
   *
   * Input Stream Implementation
   *
   * (c) 1998-2000 (W3C) MIT, INRIA, Keio University
   * Derived from <a href="http://www.w3.org/People/Raggett/tidy">
   * HTML Tidy Release 4 Aug 2000</a>
   *
   * @author  Dave Raggett <dsr@w3.org>
   * @author  Andy Quick <ac.quick@sympatico.ca> (translation to Java)
   * @version 1.0, 1999/05/22
   * @version 1.0.1, 1999/05/29
   * @version 1.1, 1999/06/18 Java Bean
   * @version 1.2, 1999/07/10 Tidy Release 7 Jul 1999
   * @version 1.3, 1999/07/30 Tidy Release 26 Jul 1999
   * @version 1.4, 1999/09/04 DOM support
   * @version 1.5, 1999/10/23 Tidy Release 27 Sep 1999
   * @version 1.6, 1999/11/01 Tidy Release 22 Oct 1999
   * @version 1.7, 1999/12/06 Tidy Release 30 Nov 1999
   * @version 1.8, 2000/01/22 Tidy Release 13 Jan 2000
   * @version 1.9, 2000/06/03 Tidy Release 30 Apr 2000
   * @version 1.10, 2000/07/22 Tidy Release 8 Jul 2000
   * @version 1.11, 2000/08/16 Tidy Release 4 Aug 2000
   */
  
  import java.io.InputStream;
  import java.io.IOException;
  
  public class StreamInImpl extends StreamIn {
  
      /* Mapping for Windows Western character set (128-159) to Unicode */
      private static int[] Win2Unicode =
      {
      0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
      0x02C6, 0x2030, 0x0160, 0x2039, 0x0152, 0x0000, 0x017D, 0x0000,
      0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
      0x02DC, 0x2122, 0x0161, 0x203A, 0x0153, 0x0000, 0x017E, 0x0178
      };
  
      /*
      John Love-Jensen contributed this table for mapping MacRoman
      character set to Unicode
      */
  
      private static int[] Mac2Unicode = 
      {
  
      0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007,
      0x0008, 0x0009, 0x000A, 0x000B, 0x000C, 0x000D, 0x000E, 0x000F,
  
      0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017,
      0x0018, 0x0019, 0x001A, 0x001B, 0x001C, 0x001D, 0x001E, 0x001F,
  
      0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027,
      0x0028, 0x0029, 0x002A, 0x002B, 0x002C, 0x002D, 0x002E, 0x002F,
  
      0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037,
      0x0038, 0x0039, 0x003A, 0x003B, 0x003C, 0x003D, 0x003E, 0x003F,
  
      0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
      0x0048, 0x0049, 0x004A, 0x004B, 0x004C, 0x004D, 0x004E, 0x004F,
  
      0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057,
      0x0058, 0x0059, 0x005A, 0x005B, 0x005C, 0x005D, 0x005E, 0x005F,
  
      0x0060, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067,
      0x0068, 0x0069, 0x006A, 0x006B, 0x006C, 0x006D, 0x006E, 0x006F,
  
      0x0070, 0x0071, 0x0072, 0x0073, 0x0074, 0x0075, 0x0076, 0x0077,
      0x0078, 0x0079, 0x007A, 0x007B, 0x007C, 0x007D, 0x007E, 0x007F,
      /* x7F = DEL */
      0x00C4, 0x00C5, 0x00C7, 0x00C9, 0x00D1, 0x00D6, 0x00DC, 0x00E1,
      0x00E0, 0x00E2, 0x00E4, 0x00E3, 0x00E5, 0x00E7, 0x00E9, 0x00E8,
  
      0x00EA, 0x00EB, 0x00ED, 0x00EC, 0x00EE, 0x00EF, 0x00F1, 0x00F3,
      0x00F2, 0x00F4, 0x00F6, 0x00F5, 0x00FA, 0x00F9, 0x00FB, 0x00FC,
  
      0x2020, 0x00B0, 0x00A2, 0x00A3, 0x00A7, 0x2022, 0x00B6, 0x00DF,
      0x00AE, 0x00A9, 0x2122, 0x00B4, 0x00A8, 0x2260, 0x00C6, 0x00D8,
  
      0x221E, 0x00B1, 0x2264, 0x2265, 0x00A5, 0x00B5, 0x2202, 0x2211,
      0x220F, 0x03C0, 0x222B, 0x00AA, 0x00BA, 0x03A9, 0x00E6, 0x00F8,
  
      0x00BF, 0x00A1, 0x00AC, 0x221A, 0x0192, 0x2248, 0x2206, 0x00AB,
      0x00BB, 0x2026, 0x00A0, 0x00C0, 0x00C3, 0x00D5, 0x0152, 0x0153,
  
      0x2013, 0x2014, 0x201C, 0x201D, 0x2018, 0x2019, 0x00F7, 0x25CA,
      0x00FF, 0x0178, 0x2044, 0x20AC, 0x2039, 0x203A, 0xFB01, 0xFB02,
  
      0x2021, 0x00B7, 0x201A, 0x201E, 0x2030, 0x00C2, 0x00CA, 0x00C1,
      0x00CB, 0x00C8, 0x00CD, 0x00CE, 0x00CF, 0x00CC, 0x00D3, 0x00D4,
      /* xF0 = Apple Logo */
      0xF8FF, 0x00D2, 0x00DA, 0x00DB, 0x00D9, 0x0131, 0x02C6, 0x02DC,
      0x00AF, 0x02D8, 0x02D9, 0x02DA, 0x00B8, 0x02DD, 0x02DB, 0x02C7
      };
  
      public StreamInImpl(InputStream stream, int encoding, int tabsize)
      {
          this.stream = stream;
          this.pushed = false;
          this.c = (int)'\0';
          this.tabs = 0;
          this.tabsize = tabsize;
          this.curline = 1;
          this.curcol = 1;
          this.encoding = encoding;
          this.state = FSM_ASCII;
          this.endOfStream = false;
      }
  
      /* read char from stream */
      public int readCharFromStream()
      {
          int n, c, i, count;
  
          try {
              c = this.stream.read();
  
              if (c == EndOfStream) {
                  this.endOfStream = true;
                  return c;
              }
  
              /*
                 A document in ISO-2022 based encoding uses some ESC sequences
                 called "designator" to switch character sets. The designators
                 defined and used in ISO-2022-JP are:
  
                  "ESC" + "(" + ?     for ISO646 variants
  
                  "ESC" + "$" + ?     and
                  "ESC" + "$" + "(" + ?   for multibyte character sets
  
                 Where ? stands for a single character used to indicate the
                 character set for multibyte characters.
  
                 Tidy handles this by preserving the escape sequence and
                 setting the top bit of each byte for non-ascii chars. This
                 bit is then cleared on output. The input stream keeps track
                 of the state to determine when to set/clear the bit.
              */
  
              if (this.encoding == Configuration.ISO2022)
              {
                  if (c == 0x1b)  /* ESC */
                  {
                      this.state = FSM_ESC;
                      return c;
                  }
  
                  switch (this.state)
                  {
                  case FSM_ESC:
                      if (c == '$')
                          this.state = FSM_ESCD;
                      else if (c == '(')
                          this.state = FSM_ESCP;
                      else
                          this.state = FSM_ASCII;
                      break;
  
                  case FSM_ESCD:
                      if (c == '(')
                          this.state = FSM_ESCDP;
                      else
                          this.state = FSM_NONASCII;
                      break;
  
                  case FSM_ESCDP:
                      this.state = FSM_NONASCII;
                      break;
  
                  case FSM_ESCP:
                      this.state = FSM_ASCII;
                      break;
  
                  case FSM_NONASCII:
                      c |= 0x80;
                      break;
                  }
  
                  return c;
              }
  
              if (this.encoding != Configuration.UTF8)
                  return c;
  
              /* deal with UTF-8 encoded char */
  
              if ((c & 0xE0) == 0xC0)  /* 110X XXXX  two bytes */
              {
                  n = c & 31;
                  count = 1;
              }
              else if ((c & 0xF0) == 0xE0)  /* 1110 XXXX  three bytes */
              {
                  n = c & 15;
                  count = 2;
              }
              else if ((c & 0xF8) == 0xF0)  /* 1111 0XXX  four bytes */
              {
                  n = c & 7;
                  count = 3;
              }
  