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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
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <stdlib.h>
#include <errno.h>
#include <euc.h>
#include "japanese.h"
#include "jfp_iconv_unicode.h"
#define JFP_J2U_ICONV_X0213
#include "jfp_jis_to_ucs2.h"
void *
_icv_open(void)
{
return (_icv_open_unicode((size_t)0));
}
void
_icv_close(void *cd)
{
_icv_close_unicode(cd);
return;
}
size_t
_icv_iconv(void *cd, char **inbuf, size_t *inbytesleft,
char **outbuf, size_t *outbytesleft)
{
unsigned int u32; /* UTF-32 */
unsigned short e16; /* 16-bit EUC */
unsigned char ic1, ic2, ic3; /* 1st, 2nd, and 3rd bytes of a char */
size_t rv = (size_t)0; /* return value of this function */
unsigned char *ip;
size_t ileft;
char *op;
size_t oleft;
/*
* If inbuf and/or *inbuf are NULL, reset conversion descriptor
* and put escape sequence if needed.
*/
if ((inbuf == NULL) || (*inbuf == NULL)) {
_icv_reset_unicode(cd);
return ((size_t)0);
}
ip = (unsigned char *)*inbuf;
ileft = *inbytesleft;
op = *outbuf;
oleft = *outbytesleft;
while (ileft != 0) {
NGET(ic1, "never fail here"); /* get 1st byte */
if (ISASC(ic1)) { /* CS0; 1 byte */
u32 = (unsigned int)_jfp_tbl_jisx0201roman_to_ucs2[ic1];
PUTU(u32, "CS0");
} else if (ISCS1(ic1)) { /* JIS X 0213 plane 1; 2 bytes */
NGET(ic2, "CS1-2");
if (ISCS1(ic2)) { /* 2nd byte check passed */
e16 = (ic1 << 8) | ic2;
u32 = (unsigned int)_jfp_tbl_jisx0208_to_ucs2[
(ic1 - 0xa1) * 94 + (ic2 - 0xa1)];
if (IFHISUR(u32)) {
u32 = _jfp_lookup_x0213_nonbmp(
e16, u32);
PUTU(u32, "CS1->NONBMP");
} else if (u32 == 0xffff) {
/* need to compose */
unsigned int u32_2;
u32 = _jfp_lookup_x0213_compose(
e16, &u32_2);
PUTU(u32, "CS1->CP1");
PUTU(u32_2, "CS1->CP2");
} else {
PUTU(u32, "CS1->BMP");
}
} else { /* 2nd byte check failed */
RETERROR(EILSEQ, "CS1-2")
}
} else if (ic1 == SS2) { /* JIS X 0201 Kana; 2 bytes */
NGET(ic2, "CS2-2");
if (ISCS2(ic2)) { /* 2nd byte check passed */
u32 = (unsigned int)
_jfp_tbl_jisx0201kana_to_ucs2[ic2 - 0xa1];
PUTU(u32, "CS2->Kana");
} else { /* 2nd byte check failed */
RETERROR(EILSEQ, "CS2-2")
}
} else if (ic1 == SS3) { /* JIS X 0213 plane 2; 3 bytes */
NGET(ic2, "CS3-2");
if (ISCS3(ic2)) { /* 2nd byte check passed */
NGET(ic3, "CS3-3");
if (ISCS3(ic3)) { /* 3rd byte check passed */
e16 = (ic2 << 8) | (ic3 & 0x7f);
u32 = (unsigned int)
_jfp_tbl_jisx0213p2_to_ucs2[
(ic2 - 0xa1) * 94 + (ic3 - 0xa1)];
if (IFHISUR(u32)) {
u32 = _jfp_lookup_x0213_nonbmp(
e16, u32);
PUTU(u32, "CS3->NONBMP");
} else {
PUTU(u32, "CS3->BMP");
}
} else { /* 3rd byte check failed */
RETERROR(EILSEQ, "CS3-3")
}
} else { /* 2nd byte check failed */
RETERROR(EILSEQ, "CS3-2")
}
} else if (ISC1CTRLEUC(ic1)) { /* C1 control; 1 byte */
u32 = ic1;
PUTU(u32, "E2BIG C1CTRL");
} else { /* 1st byte check failed */
RETERROR(EILSEQ, "CS?-1")
}
/*
* One character successfully converted so update
* values outside of this function's stack.
*/
*inbuf = (char *)ip;
*inbytesleft = ileft;
*outbuf = op;
*outbytesleft = oleft;
}
ret:
DEBUGPRINTERROR
/*
* Return value for successful return is not defined by XPG
* so return same as *inbytesleft as existing codes do.
*/
return ((rv == (size_t)-1) ? rv : *inbytesleft);
}
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