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#include <u.h>
#include <libc.h>
#include <bio.h>
#include "dict.h"
#include "kuten.h"
/*
* Routines for handling dictionaries in the "Languages of the World"
* format. worldnextoff *must* be called with <address of valid entry>+1.
*/
#define GSHORT(p) (((p)[0]<<8)|(p)[1])
static void putchar(int, int*);
#define NONE 0xffff
/* adapted from jhelling@cs.ruu.nl (Jeroen Hellingman) */
static Rune chartab[] = {
/*00*/ NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE,
NONE, NONE, L'\n', 0xe6, 0xf8, 0xe5, 0xe4, 0xf6,
/*10*/ NONE, NONE, NONE, NONE, NONE, NONE, NONE, NONE,
NONE, NONE, NONE, 0xc6, 0xd8, 0xc5, 0xc4, 0xd6,
/*20*/ 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, '\'',
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
/*30*/ 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
/*40*/ 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
0x48, 0x49, 0x4a, 0x4b, L'L', 0x4d, 0x4e, 0x4f,
/*50*/ 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
0x58, 0x59, 0x5a, 0x5b, L'\\', 0x5d, 0x5e, 0x5f,
/*60*/ 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
/*70*/ 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, NONE,
/*80*/ 0xc7, 0xfc, 0xe9, 0xe2, 0xe4, 0xe0, 0xe5, 0xe7,
0xea, 0xeb, 0xe8, 0xef, 0xee, 0xec, 0xc4, 0xc5,
/*90*/ 0xc9, 0xe6, 0xc6, 0xf4, 0xf6, 0xf2, 0xfb, 0xf9,
0xff, 0xd6, 0xdc, 0xa2, 0xa3, 0xa5, 0x20a7, 0x283,
/*a0*/ 0xe1, 0xed, 0xf3, 0xfa, 0xf1, 0xd1, 0xaa, 0xba,
0xbf, 0x2310, 0xac, 0xbd, 0xbc, 0xa1, 0xab, 0xbb,
/*b0*/ 0x254, 0x259, 0xf0, 0x283, 0x292, 0x14b, 0x251, 0x7a,
0x26a, 0xf0, 0x292, 0xe3, 0x153, 0x169, 0x28c, 0x265,
/*c0*/ 0x280, 0xeb, 0x6c, 0x28c, 0xf5, 0xf1, 0x152, NONE,
NONE, 0x53, 0x73, 0x5a, 0x7a, NONE, NONE, NONE,
/*d0*/ 0xdf, NONE, NONE, 0x101, 0x12b, 0x16b, 0x113, 0x14d,
NONE, NONE, NONE, 0x20, NONE, NONE, NONE, NONE,
/*e0*/ 0x3b1, 0x3b2, 0x3b3, 0x3c0, 0x3a3, 0x3c3, 0xb5, 0x3c4,
0x3a6, 0x398, 0x3a9, 0x3b4, 0x221e, 0xd8, 0x3b5, 0x2229,
/*f0*/ 0x2261, 0xb1, 0x2265, 0x2264, 0x2320, 0x2321, 0xf7, 0x2248,
0xb0, 0x2219, 0xb7, NONE, NONE, NONE, NONE, NONE,
};
enum{ Utf, Kanahi, Kanalo=Kanahi+1, GBhi, GBlo=GBhi+1, };
void
worldprintentry(Entry e, int cmd)
{
int nh, state[3];
uchar *p, *pe;
p = (uchar *)e.start;
pe = (uchar *)e.end;
nh = GSHORT(p);
p += 6;
if(cmd == 'h')
pe = p+nh;
state[0] = Utf;
state[1] = 0;
state[2] = 0;
while(p < pe){
if(cmd == 'r')
outchar(*p++);
else
putchar(*p++, state);
}
outnl(0);
}
long
worldnextoff(long fromoff)
{
int nh, np, nd;
uchar buf[6];
if(Bseek(bdict, fromoff-1, 0) < 0)
return -1;
if(Bread(bdict, buf, 6) != 6)
return -1;
nh = GSHORT(buf);
np = GSHORT(buf+2);
nd = GSHORT(buf+4);
return fromoff-1 + 6 + nh + np + nd;
}
static void
putchar(int c, int *state)
{
int xflag = 0;
Rune r;
int hi, lo;
switch(state[0]){
case Kanahi:
case GBhi:
if(CANS2JH(c) || c == 0xff){
state[0]++;
state[1] = c;
break;
}
/* fall through */
case Utf:
if(c == 0xfe){
state[0] = Kanahi;
break;
}else if(c == 0xff){
state[0] = GBhi;
break;
}
r = chartab[c];
if(r < 0x80 && state[2] == 0)
outchar(r);
else if(r == NONE){
switch(c){
case 0xfb:
if(!xflag){
state[2] = 1;
break;
}
case 0xfc:
if(!xflag){
state[2] = 0;
break;
}
case 0x10:
case 0xc7: case 0xc8:
case 0xd8: case 0xd9: case 0xda:
case 0xdc: case 0xdd: case 0xde: case 0xdf:
case 0xfd:
if(!xflag)
break;
/* fall through */
default:
outprint("\\%.2ux", c);
}
}else if(state[2] == 0)
outrune(r);
break;
case Kanalo:
case GBlo:
if(state[1] == 0xff && c == 0xff){
state[0] = Utf;
break;
}
state[0]--;
hi = state[1];
lo = c;
S2J(hi, lo); /* convert to JIS */
r = hi*100 + lo - 3232; /* convert to jis208 */
if(state[0] == Kanahi && r < JIS208MAX)
r = tabjis208[r];
else if(state[0] == GBhi && r < GB2312MAX)
r = tabgb2312[r];
else
r = NONE;
if(r == NONE)
outprint("\\%.2ux\\%.2ux", state[1], c);
else
outrune(r);
break;
}
}
void
worldprintkey(void)
{
Bprint(bout, "No pronunciation key.\n");
}
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