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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* $Id: c2p.c,v 1.12 1997/10/31 16:16:56 binz Exp $ SMI: ALE */
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Convert 2 byte completion code to
* 2 byte combination code
* 1) find the sequential No. of initial and middle sounds.
* 2) decide the displacement of final sound from the starting point.
* 3) combine each sounds into combination code.
*/
#include <stdio.h>
#include "kdefs.h"
#include "ktable.h"
#define SKIP 0xa1 + 0xff - 0xfe
#define CI_CNT 19 - 1
#define V_CNT 21 - 1
/* KS C 5601-1986 */
KCHAR c2p(comp2)
KCHAR comp2;
{
KCHAR comb2;
short Ci_val; /* initial sound */
short V_val ; /* middle sound */
short Cf_val; /* final sound */
short mask ;
short high = CI_CNT ;
short low = 0 ;
int disp,cnt;
long Cfbit ;
/*
* Find initial sound (Ci_val) and
* middle sound (V_val )
* which make the starting point for 'comp2'.
*/
for (;;) {
Ci_val = (low + high) / 2 ;
if (low >= high)
break ;
if (comp2 < cmp_srchtbl[Ci_val][0])
high = Ci_val - 1 ;
else if (comp2 < cmp_srchtbl[Ci_val+1][0])
break ;
else low = Ci_val + 1 ;
}
V_val = 1;
while(1) {
if (comp2 < cmp_srchtbl[Ci_val][V_val]) {
while(cmp_srchtbl[Ci_val][--V_val] == 0)
;
break;
}else if (V_val == V_CNT)
break ;
V_val++;
}
/* Find displacement (temporary final sound value) */
disp = comp2 - cmp_srchtbl[Ci_val][V_val] ;
mask = cmp_srchtbl[Ci_val][V_val] & BYTE_MASK ;
if ((mask + disp) > 0xfe)
disp -= SKIP ;
/* Find the value of final sound */
Cfbit = cmp_bitmap[Ci_val][V_val] ;
for (cnt = -1 , Cf_val = -1; cnt < disp; Cf_val++)
{
if (Cfbit & BIT_MASK)
cnt++ ;
Cfbit >>= 1 ;
}
/* make 2 byte combination code */
comb2 = (unsigned int) (Ci_val + 0x0a) ;
comb2 = (comb2 << 5) | (V_val + (V_val + 1)/3 + 2) ;
comb2 = (comb2 << 5) | Cf_val ;
return(comb2 | 0x8000) ;
}
/* KS C 5601-1992 */
KCHAR c2j(comp2)
KCHAR comp2;
{
KCHAR comb2;
short Ci_val; /* initial sound */
short V_val ; /* middle sound */
short Cf_val; /* final sound */
short mask ;
short high = CI_CNT ;
short low = 0 ;
int disp,cnt;
long Cfbit ;
/*
* Find initial sound (Ci_val) and
* middle sound (V_val )
* which make the starting point for 'comp2'.
*/
for (;;) {
Ci_val = (low + high) / 2 ;
if (low >= high)
break ;
if (comp2 < cmp_srchtbl[Ci_val][0])
high = Ci_val - 1 ;
else if (comp2 < cmp_srchtbl[Ci_val+1][0])
break ;
else low = Ci_val + 1 ;
}
V_val = 1;
while(1) {
if (comp2 < cmp_srchtbl[Ci_val][V_val]) {
while(cmp_srchtbl[Ci_val][--V_val] == 0)
;
break;
}else if (V_val == V_CNT)
break ;
V_val++;
}
/* Find displacement (temporary final sound value) */
disp = comp2 - cmp_srchtbl[Ci_val][V_val] ;
mask = cmp_srchtbl[Ci_val][V_val] & BYTE_MASK ;
if ((mask + disp) > 0xfe)
disp -= SKIP ;
/* Find the value of final sound */
Cfbit = cmp_bitmap[Ci_val][V_val] ;
for (cnt = -1 , Cf_val = -1; cnt < disp; Cf_val++)
{
if (Cfbit & BIT_MASK)
cnt++ ;
Cfbit >>= 1 ;
}
/* make 2 byte combination code */
comb2 = (unsigned int) (Ci_val + 2);
comb2 = (comb2 << 5) | (V_val + (V_val + 1) / 6 * 2 + 3);
comb2 = (comb2 << 5) | (Cf_val + (Cf_val) / 18);
return(comb2 | 0x8000) ;
}
#ifdef TESTPRINT
main()
{
unsigned short comp2, comb2;
int i,j;
printf("\ncompletion code combination code\n");
for (i=0xb0;i<=0xc8;i++) {
for (j=0xa1;j<=0xfe;j++) {
comp2 = i<<8|j;
comb2 = comptopack(comp2);
printf(" %4x %4x\n", comp2,comb2);
}
}
}
#endif
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