*/
import sun.io.CharToByteConverter;
import sun.io.MalformedInputException;
import sun.io.UnknownCharacterException;
import sun.io.ConversionBufferFullException;
public class CharToByteX11Johab extends CharToByteConverter
{
int state = START;
public static final int START = 0;
public static final int LEADING_CONSONANT = 1;
public static final int VOWEL = 2;
int l = 0x5f; // leading consonant
int v = 0; // vowel
int t = 0; // trailing consonant
/*
* This method indicates the charset name for this font.
*/
public String getCharacterEncoding()
{
return "X11Johab";
}
/*
* This method indicates the range this font covers.
*/
public boolean canConvert(char ch)
{
if ( 0xac00 <= ch && ch <= 0xd7a3 // Modern hangul syllables
|| 0x1100 <= ch && ch <= 0x1112 // modern leading consonants (19)
|| 0x1113 <= ch && ch <= 0x1159 // ancient leading consonants (71)
&& lconBase[ch-0x1100] != 0
|| ch == 0x115f // leading consonants filler
|| 0x1160 <= ch && ch <= 0x1175 // modern vowels (21)
|| 0x1176 <= ch && ch <= 0x11a2 // ancient vowels (45)
&& vowBase[ch-0x1160] != 0
|| 0x11a8 <= ch && ch <= 0x11c2 // modern trailing consonants (27)
|| 0x11c3 <= ch && ch <= 0x11f9 // ancient trailing consonants (55)
&& tconBase[ch-0x11a7] != 0 )
return true;
return false;
}
/*
* This method converts the unicode to this font index.
* Note: ConversionBufferFullException is not handled
* since this class is only used for character display.
*/
public int convert(char[] input, int inStart, int inEnd,
byte[] output, int outStart, int outEnd)
throws MalformedInputException,
UnknownCharacterException
{
charOff = inStart;
byteOff = outStart;
for (; charOff < inEnd; charOff++)
{
char ch = input[charOff];
if (0xac00 <= ch && ch <= 0xd7a3)
{
if ( state != START )
composeHangul(output);
ch -= 0xac00;
l = (ch / 588); // 588 = 21*28
v = ( ch / 28 ) % 21 + 1;
t = ch % 28;
composeHangul(output);
} else if (0x1100 <= ch && ch <= 0x115f)
{ // leading consonants (19 + 71 + 1)
if ( state != START )
composeHangul(output);
l = ch - 0x1100;
state = LEADING_CONSONANT;
} else if (1160 <= ch && ch <= 0x11a2)
{ // vowels (1 + 21 + 45)
v = ch - 0x1160;
state = VOWEL;
} else if (0x11a8 <= ch && ch <= 0x11f9)
{ // modern trailing consonants (27)
t = ch - 0x11a7;
composeHangul(output);
} else
{
throw new UnknownCharacterException();
}
}
if ( state != START )
composeHangul( output );
return byteOff - outStart;
}
public int flush(byte output[], int i, int j)
throws MalformedInputException
{
byteOff = 0;
int len = 0;
if ( state != START )
{
composeHangul( output );
len = byteOff;
}
byteOff = charOff = 0;
return len;
}
public void reset()
{
byteOff = charOff = 0;
state = START;
l = 0x5f;
v = t = 0;
}
public int getMaxBytesPerChar()
{
return 6;
}
// The base font index for leading consonants
static final short[] lconBase = {
// modern leading consonants (19)
1, 11, 21, 31, 41, 51,
61, 71, 81, 91, 101, 111,
121, 131, 141, 151, 161, 171,
181,
// ancient leading consonants (71 + reserved 5 + filler 1)
0, 0, 0, 0, 0, 0, // \u1113 ~ :
0, 0, 0, 0, 0, 201, // \u1119 ~ :
0, 221, 251, 0, 0, 0, // \u111f ~ :
0, 0, 281, 0, 0, 0, // \u1125 ~ :
191, 0, 211, 0, 231, 0, // \u112b ~ :
0, 241, 0, 0, 0, 291, // \u1131 ~ :
0, 0, 0, 0, 0, 0, // \u1137 ~ :
0, 0, 0, 261, 0, 0, // \u113d ~ :
0, 0, 0, 0, 0, 0, // \u1143 ~ :
0, 0, 0, 271, 0, 0, // \u1149 ~ :
0, 0, 0, 0, 0, 0, // \u114f ~ :
0, 0, 0, 0, 301, // \u1155 ~ :
0, 0, 0, 0, 0, // \u115a ~ : reserved
0, // \u115f : leading consonant filler
};
// The base font index for vowels
static final short[] vowBase = {
// modern vowels (filler + 21)
0,311,314,317,320,323, // (Fill), A, AE, YA, YAE, EO
326,329,332,335,339,343, // E, YEO, YE, O, WA, WAE
347,351,355,358,361,364, // OI, YO, U, WEO, WE, WI
367,370,374,378, // YU, EU, UI, I
// ancient vowels (45)
0, 0, 0, 0, 0, 0, // \u1176 ~ : A-O, A-U, YA-O, YA-YO, EO-O, EO-U
0, 0, 0, 0, 0, 0, // \u117c ~ : EO-EU, YEO-O, YEO-U, O-EO, O-E, O-YE
0, 0, 381, 384, 0, 0, // \u1182 ~ : O-O, O-U, YO-YA, YO-YAE, YO-YEO, YO-O
387, 0, 0, 0, 0, 0, // \u1188 ~ : YO-I, U-A, U-AE, U-EO-EU, U-YE, U-U
0, 0, 0, 390, 393, 0, // \u118e ~ : YU-A, YU-EO, YU-E, YU-YEO, YU-YE, YU-U
396, 0, 0, 0, 0, 0, // \u1194 ~ : YU-I, EU-U, EU-EU, YI-U, I-A, I-YA
0, 0, 0, 0, 399, 0, // \u119a ~ : I-O, I-U, I-EU, I-ARAEA, ARAEA, ARAEA-EO
0, 402, 0 // \u11a0 ~ : ARAEA-U, ARAEA-I,SSANGARAEA
};
// The base font index for trailing consonants
static final short[] tconBase = {
// modern trailing consonants (filler + 27)
0,
405, 409, 413, 417, 421,
425, 429, 433, 437, 441,
445, 459, 453, 457, 461,
465, 469, 473, 477, 481,
485, 489, 493, 497, 501,
505, 509,
// ancient trailing consonants (55)
0, 0, 0, 0, 0, 0, // \u11c3 ~ :
0, 0, 0, 0, 0, 0, // \u11c9 ~ :
0, 0, 0, 0, 0, 0, // \u11cf ~ :
0, 0, 0, 0, 513, 517, // \u11d5 ~ :
0, 0, 0, 0, 0, 0, // \u11db ~ :
0, 0, 0, 0, 0, 0, // \u11e1 ~ :
0, 0, 0, 0, 0, 0, // \u11e7 ~ :
0, 0, 0, 525, 0, 0, // \u11ed ~ :
0, 0, 0, 0, 0, 0, // \u11f3 ~ :
521 // \u11f9:
};
// The mapping from vowels to leading consonant type
// in absence of trailing consonant
static final short[] lconMap1 = {
0,0,0,0,0,0, // (Fill), A, AE, YA, YAE, EO
0,0,0,1,3,3, // E, YEO, YE, O, WA, WAE
3,1,2,4,4,4, // OI, YO, U, WEO, WE, WI
2,1,3,0, // YU, EU, UI, I
// ancient vowels (45)
3, 4, 3, 3, 3, 4, // \u1176 ~ : A-O, A-U, YA-O, YA-YO, EO-O, EO-U
4, 3, 4, 3, 3, 3, // \u117c ~ : EO-EU, YEO-O, YEO-U, O-EO, O-E, O-YE
1, 1, 3, 3, 3, 1, // \u1182 ~ : O-O, O-U, YO-YA, YO-YAE, YO-YEO, YO-O
3, 4, 4, 4, 4, 2, // \u1188 ~ : YO-I, U-A, U-AE, U-EO-EU, U-YE, U-U
3, 3, 3, 3, 3, 2, // \u118e ~ : YU-A, YU-EO, YU-E, YU-YEO, YU-YE, YU-U
4, 2, 2, 4, 0, 0, // \u1194 ~ : YU-I, EU-U, EU-EU, YI-U, I-A, I-YA
3, 4, 3, 0, 1, 3, // \u119a ~ : I-O, I-U, I-EU, I-ARAEA, ARAEA, ARAEA-EO
2, 3, 1 // \u11a0 ~ : ARAEA-U, ARAEA-I, SSANGARAEA
};
// The mapping from vowels to leading consonant type
// in presence of trailing consonant
static final short[] lconMap2 = {
5,5,5,5,5,5, // (Fill), A, AE, YA, YAE, EO
5,5,5,6,8,8, // E, YEO, YE, O, WA, WAE
8,6,7,9,9,9, // OI, YO, U, WEO, WE, WI
7,6,8,5, // YU, EU, UI, I
// ancient vowels (45)
8, 9, 8, 8, 8, 9, // \u1176 ~ : A-O, A-U, YA-O, YA-YO, EO-O, EO-U
9, 8, 9, 8, 8, 8, // \u117c ~ : EO-EU, YEO-O, YEO-U, O-EO, O-E, O-YE
6, 6, 8, 8, 8, 6, // \u1182 ~ : O-O, O-U, YO-YA, YO-YAE, YO-YEO, YO-O
8, 9, 9, 9, 9, 7, // \u1188 ~ : YO-I, U-A, U-AE, U-EO-EU, U-YE, U-U
8, 8, 8, 8, 8, 7, // \u118e ~ : YU-A, YU-EO, YU-E, YU-YEO, YU-YE, YU-U
9, 7, 7, 9, 5, 5, // \u1194 ~ : YU-I, EU-U, EU-EU, YI-U, I-A, I-YA
8, 9, 8, 5, 6, 8, // \u119a ~ : I-O, I-U, I-EU, I-ARAEA, ARAEA, ARAEA-EO
7, 8, 6 // \u11a0 ~ : ARAEA-U, ARAEA-I, SSANGARAEA
};
// vowel type ; 1 = o and its alikes, 0 = others
static final short[] vowType = {
0,0,0,0,0,0,
0,0,0,1,1,1,
1,1,0,0,0,0,
0,1,1,0,
// ancient vowels (45)
1, 0, 1, 1, 1, 0, // \u1176 ~ : A-O, A-U, YA-O, YA-YO, EO-O, EO-U
0, 1, 0, 1, 1, 1, // \u117c ~ : EO-EU, YEO-O, YEO-U, O-EO, O-E, O-YE
1, 1, 0, 0, 0, 0, // \u1182 ~ : O-O, O-U, YO-YA, YO-YAE, YO-YEO, YO-O
0, 0, 0, 0, 0, 0, // \u1188 ~ : YO-I, U-A, U-AE, U-EO-EU, U-YE, U-U
0, 0, 0, 0, 0, 0, // \u118e ~ : YU-A, YU-EO, YU-E, YU-YEO, YU-YE, YU-U
0, 0, 0, 0, 0, 0, // \u1194 ~ : YU-I, EU-U, EU-EU, YI-U, I-A, I-YA
0, 0, 0, 0, 0, 0, // \u119a ~ : I-O, I-U, I-EU, I-ARAEA, ARAEA, ARAEA-EO
0, 0, 0 // \u11a0 ~ : ARAEA-U, ARAEA-I, SSANGARAEA
};
// The mapping from trailing consonants to vowel type
static final int[] tconType = {
0, 1, 1, 1, 2, 1,
1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1,
1, 1, 1, 1,
// ancient trailing consonants (55)
1, 1, 1, 1, 1, 1, // \u11c3 ~ :
1, 1, 1, 1, 1, 1, // \u11c9 ~ :
1, 1, 1, 1, 1, 1, // \u11cf ~ :
1, 1, 1, 1, 1, 1, // \u11d5 ~ :
1, 1, 1, 1, 1, 1, // \u11db ~ :
1, 1, 1, 1, 1, 1, // \u11e1 ~ :
1, 1, 1, 1, 1, 1, // \u11e7 ~ :
1, 1, 1, 1, 1, 1, // \u11ed ~ :
1, 1, 1, 1, 1, 1, // \u11f3 ~ :
1 // \u11f9:
};
// The mapping from vowels to trailing consonant type
static final int[] tconMap = {
0, 0, 2, 0, 2, 1, // (Fill), A, AE, YA, YAE, EO
2, 1, 2, 3, 0, 0, // E, YEO, YE, O, WA, WAE
0, 3, 3, 1, 1, 1, // OI, YO, U, WEO, WE, WI
3, 3, 0, 1, // YU, EU, UI, I
// ancient vowels (45)
3, 3, 3, 3, 3, 3, // \u1176 ~ : A-O, A-U, YA-O, YA-YO, EO-O, EO-U
3, 3, 3, 1, 0, 0, // \u117c ~ : EO-EU, YEO-O, YEO-U, O-EO, O-E, O-YE
3, 3, 3, 1, 0, 3, // \u1182 ~ : O-O, O-U, YO-YA, YO-YAE, YO-YEO, YO-O
0, 0, 0, 0, 0, 3, // \u1188 ~ : YO-I, U-A, U-AE, U-EO-EU, U-YE, U-U
0, 1, 1, 1, 1, 3, // \u118e ~ : YU-A, YU-EO, YU-E, YU-YEO, YU-YE, YU-U
1, 3, 3, 3, 2, 2, // \u1194 ~ : YU-I, EU-U, EU-EU, YI-U, I-A, I-YA
3, 3, 3, 1, 3, 0, // \u119a ~ : I-O, I-U, I-EU, I-ARAEA, ARAEA, ARAEA-EO
3, 2, 3 // \u11a0 ~ : ARAEA-U, ARAEA-I, SSANGARAEA
};
void composeHangul(byte[] output)
{
int ind;
if ( lconBase[l] != 0 )
{ // non-filler and supported by Hanterm Johab fonts
ind = lconBase[l] + ( t > 0 ? lconMap2[v] : lconMap1[v] );
output[byteOff++] = (byte) (ind / 256);
output[byteOff++] = (byte) (ind % 256);
}
if ( vowBase[v] != 0 )
{ // non-filler and supported by Hanterm Johab fonts
ind = vowBase[v];
if ( vowType[v] == 1)
{ //'o' and alikes
// GIYEOK and KIEUK got special treatment
ind += ( (l == 0 || l == 15) ? 0 : 1)
+ (t > 0 ? 2 : 0 );
}
else
{
ind += tconType[t];
}
output[byteOff++] = (byte) (ind / 256);
output[byteOff++] = (byte) (ind % 256);
}
if ( tconBase[t] != 0 )
{ // non-filler and supported by Hanterm Johab fonts
ind = tconBase[t] + tconMap[v];
output[byteOff++] = (byte) (ind / 256);
output[byteOff++] = (byte) (ind % 256);
} else
{
output[byteOff++] = (byte) 0;
output[byteOff++] = (byte) 0;
}
state = START;
l = 0x5f;
v = t = 0;
}
}