archive/net.sourceforge.phpeclipse.jtidy/src/net/sourceforge/phpdt/tidy/w3c/OutImpl.java

   1 /*
   2  * @(#)OutImpl.java   1.11 2000/08/16
   3  *
   4  */
   5
   6 package net.sourceforge.phpdt.tidy.w3c;
   7
   8 /**
   9  *
  10  * Output Stream Implementation
  11  *
  12  * (c) 1998-2000 (W3C) MIT, INRIA, Keio University
  13  * See Tidy.java for the copyright notice.
  14  * Derived from <a href="http://www.w3.org/People/Raggett/tidy">
  15  * HTML Tidy Release 4 Aug 2000</a>
  16  *
  17  * @author  Dave Raggett <dsr@w3.org>
  18  * @author  Andy Quick <ac.quick@sympatico.ca> (translation to Java)
  19  * @version 1.0, 1999/05/22
  20  * @version 1.0.1, 1999/05/29
  21  * @version 1.1, 1999/06/18 Java Bean
  22  * @version 1.2, 1999/07/10 Tidy Release 7 Jul 1999
  23  * @version 1.3, 1999/07/30 Tidy Release 26 Jul 1999
  24  * @version 1.4, 1999/09/04 DOM support
  25  * @version 1.5, 1999/10/23 Tidy Release 27 Sep 1999
  26  * @version 1.6, 1999/11/01 Tidy Release 22 Oct 1999
  27  * @version 1.7, 1999/12/06 Tidy Release 30 Nov 1999
  28  * @version 1.8, 2000/01/22 Tidy Release 13 Jan 2000
  29  * @version 1.9, 2000/06/03 Tidy Release 30 Apr 2000
  30  * @version 1.10, 2000/07/22 Tidy Release 8 Jul 2000
  31  * @version 1.11, 2000/08/16 Tidy Release 4 Aug 2000
  32  */
  33
  34 import java.io.IOException;
  35
  36 public class OutImpl extends Out
  37 {
  38
  39     public OutImpl()
  40     {
  41         this.out = null;
  42     }
  43
  44     public void outc(byte c) {
  45         outc(((int)c) & 0xFF);  // Convert to unsigned.
  46     }
  47
  48     /* For mac users, should we map Unicode back to MacRoman? */
  49     public void outc(int c)
  50     {
  51         int ch;
  52
  53         try {
  54             if (this.encoding == Configuration.UTF8)
  55             {
  56                 if (c < 128)
  57                     this.out.write(c);
  58                 else if (c <= 0x7FF)
  59                 {
  60                     ch = (0xC0 | (c >> 6)); this.out.write(ch);
  61                     ch = (0x80 | (c & 0x3F)); this.out.write(ch);
  62                 }
  63                 else if (c <= 0xFFFF)
  64                 {
  65                     ch = (0xE0 | (c >> 12)); this.out.write(ch);
  66                     ch = (0x80 | ((c >> 6) & 0x3F)); this.out.write(ch);
  67                     ch = (0x80 | (c & 0x3F)); this.out.write(ch);
  68                 }
  69                 else if (c <= 0x1FFFFF)
  70                 {
  71                     ch = (0xF0 | (c >> 18)); this.out.write(ch);
  72                     ch = (0x80 | ((c >> 12) & 0x3F)); this.out.write(ch);
  73                     ch = (0x80 | ((c >> 6) & 0x3F)); this.out.write(ch);
  74                     ch = (0x80 | (c & 0x3F)); this.out.write(ch);
  75                 }
  76                 else
  77                 {
  78                     ch = (0xF8 | (c >> 24)); this.out.write(ch);
  79                     ch = (0x80 | ((c >> 18) & 0x3F)); this.out.write(ch);
  80                     ch = (0x80 | ((c >> 12) & 0x3F)); this.out.write(ch);
  81                     ch = (0x80 | ((c >> 6) & 0x3F)); this.out.write(ch);
  82                     ch = (0x80 | (c & 0x3F)); this.out.write(ch);
  83                 }
  84             }
  85             else if (this.encoding == Configuration.ISO2022)
  86             {
  87                 if (c == 0x1b)  /* ESC */
  88                     this.state = StreamIn.FSM_ESC;
  89                 else
  90                 {
  91                     switch (this.state)
  92                     {
  93                     case StreamIn.FSM_ESC:
  94                         if (c == '$')
  95                             this.state = StreamIn.FSM_ESCD;
  96                         else if (c == '(')
  97                             this.state = StreamIn.FSM_ESCP;
  98                         else
  99                             this.state = StreamIn.FSM_ASCII;
 100                         break;
 101
 102                     case StreamIn.FSM_ESCD:
 103                         if (c == '(')
 104                             this.state = StreamIn.FSM_ESCDP;
 105                         else
 106                             this.state = StreamIn.FSM_NONASCII;
 107                         break;
 108
 109                     case StreamIn.FSM_ESCDP:
 110                         this.state = StreamIn.FSM_NONASCII;
 111                         break;
 112
 113                     case StreamIn.FSM_ESCP:
 114                         this.state = StreamIn.FSM_ASCII;
 115                         break;
 116
 117                     case StreamIn.FSM_NONASCII:
 118                         c &= 0x7F;
 119                         break;
 120                     }
 121                 }
 122
 123                 this.out.write(c);
 124             }
 125             else
 126                 this.out.write(c);
 127         }
 128         catch (IOException e) {
 129             System.err.println("OutImpl.outc: " + e.toString());
 130         }
 131     }
 132
 133     public void newline()
 134     {
 135         try {
 136             this.out.write(nlBytes);
 137             this.out.flush();
 138         }
 139         catch (IOException e) {
 140             System.err.println("OutImpl.newline: " + e.toString());
 141         }
 142     }
 143
 144     private static final byte[] nlBytes =
 145         (System.getProperty("line.separator")).getBytes();
 146
 147 };
 148