/src/dcmtk/oficonv/libsrc/citrus_johab.c

Source
/*-
 * Copyright (c)2006 Citrus Project,
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include "dcmtk/config/osconfig.h"
#include "citrus_johab.h"

#include <sys/types.h>
#include <errno.h>
#include <limits.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>

#include "citrus_bcs.h"
#include "citrus_types.h"
#include "citrus_module.h"
#include "citrus_stdenc.h"

/* ----------------------------------------------------------------------
 * private stuffs used by templates
 */

typedef struct {
    int  chlen;
    char     ch[2];
} _JOHABState;

typedef struct {
    int  dummy;
} _JOHABEncodingInfo;

#define _CEI_TO_EI(_cei_)       (&(_cei_)->ei)
#define _CEI_TO_STATE(_cei_, _func_)    (_cei_)->states.s_##_func_

#define _FUNCNAME(m)            _citrus_JOHAB_##m
#define _ENCODING_INFO          _JOHABEncodingInfo
#define _ENCODING_STATE         _JOHABState
#define _ENCODING_MB_CUR_MAX(_ei_)      2
#define _ENCODING_IS_STATE_DEPENDENT        0
#define _STATE_NEEDS_EXPLICIT_INIT(_ps_)    0


static __inline void
/*ARGSUSED*/
_citrus_JOHAB_init_state(_JOHABEncodingInfo * ei ,
    _JOHABState * psenc)
{
    (void) ei;

    psenc->chlen = 0;
}

#if 0
static __inline void
/*ARGSUSED*/
_citrus_JOHAB_pack_state(_JOHABEncodingInfo * ei ,
    void * pspriv, const _JOHABState * psenc)
{
    (void) ei;

    memcpy(pspriv, (const void *)psenc, sizeof(*psenc));
}

static __inline void
/*ARGSUSED*/
_citrus_JOHAB_unpack_state(_JOHABEncodingInfo * ei ,
    _JOHABState * psenc, const void * pspriv)
{
    (void) ei;

    memcpy((void *)psenc, pspriv, sizeof(*psenc));
}
#endif

static void
/*ARGSUSED*/
_citrus_JOHAB_encoding_module_uninit(_JOHABEncodingInfo *ei )
{
    (void) ei;

    /* ei may be null */
}

static int
/*ARGSUSED*/
_citrus_JOHAB_encoding_module_init(_JOHABEncodingInfo * ei ,
    const void * var , size_t lenvar )
{
    (void) ei;
    (void) var;
    (void) lenvar;

    /* ei may be null */
    return (0);
}

static __inline bool
ishangul(int l, int t)
{

    return ((l >= 0x84 && l <= 0xD3) &&
        ((t >= 0x41 && t <= 0x7E) || (t >= 0x81 && t <= 0xFE)));
}

static __inline bool
isuda(int l, int t)
{

    return ((l == 0xD8) &&
        ((t >= 0x31 && t <= 0x7E) || (t >= 0x91 && t <= 0xFE)));
}

static __inline bool
ishanja(int l, int t)
{

    return (((l >= 0xD9 && l <= 0xDE) || (l >= 0xE0 && l <= 0xF9)) &&
        ((t >= 0x31 && t <= 0x7E) || (t >= 0x91 && t <= 0xFE)));
}

static int
/*ARGSUSED*/
_citrus_JOHAB_mbrtowc_priv(_JOHABEncodingInfo * ei,
    _citrus_wc_t * pwc, char ** s, size_t n,
    _JOHABState * psenc, size_t * nresult)
{
    char *s0;
    int l, t;

    if (*s == NULL) {
        _citrus_JOHAB_init_state(ei, psenc);
        *nresult = _ENCODING_IS_STATE_DEPENDENT;
        return (0);
    }
    s0 = *s;

    switch (psenc->chlen) {
    case 0:
        if (n-- < 1)
            goto restart;
        l = *s0++ & 0xFF;
        if (l <= 0x7F) {
            if (pwc != NULL)
                *pwc = (_citrus_wc_t)l;
            *nresult = (l == 0) ? 0 : 1;
            *s = s0;
            return (0);
        }
        psenc->ch[psenc->chlen++] = (char) l;
        break;
    case 1:
        l = psenc->ch[0] & 0xFF;
        break;
    default:
        return (EINVAL);
    }
    if (n-- < 1) {
restart:
        *nresult = (size_t)-2;
        *s = s0;
        return (0);
    }
    t = *s0++ & 0xFF;
    if (!ishangul(l, t) && !isuda(l, t) && !ishanja(l, t)) {
        *nresult = (size_t)-1;
        return (EILSEQ);
    }
    if (pwc != NULL)
        *pwc = (_citrus_wc_t)(l << 8 | t);
    *nresult = s0 - *s;
    *s = s0;
    psenc->chlen = 0;

    return (0);
}

static int
/*ARGSUSED*/
_citrus_JOHAB_wcrtomb_priv(_JOHABEncodingInfo * ei ,
    char * s, size_t n, _citrus_wc_t wc,
    _JOHABState * psenc, size_t * nresult)
{
    int l, t;
    (void) ei;

    if (psenc->chlen != 0)
        return (EINVAL);

    /* XXX assume _citrus_wc_t as int */
    if ((uint32_t)wc <= 0x7F) {
        if (n < 1)
            goto e2big;
        *s = wc & 0xFF;
        *nresult = 1;
    } else if ((uint32_t)wc <= 0xFFFF) {
        if (n < 2) {
e2big:
            *nresult = (size_t)-1;
            return (E2BIG);
        }
        l = (wc >> 8) & 0xFF;
        t = wc & 0xFF;
        if (!ishangul(l, t) && !isuda(l, t) && !ishanja(l, t))
            goto ilseq;
        *s++ = (char) l;
        *s = (char) t;
        *nresult = 2;
    } else {
ilseq:
        *nresult = (size_t)-1;
        return (EILSEQ);
    }
    return (0);

}

static __inline int
/*ARGSUSED*/
_citrus_JOHAB_stdenc_wctocs(_JOHABEncodingInfo * ei ,
    _citrus_csid_t * csid, _citrus_index_t * idx, _citrus_wc_t wc)
{
    int m, l, linear, t;
    (void) ei;

    /* XXX assume _citrus_wc_t as int */
    if ((uint32_t)wc <= 0x7F) {
        *idx = (_citrus_index_t)wc;
        *csid = 0;
    } else if ((uint32_t)wc <= 0xFFFF) {
        l = (wc >> 8) & 0xFF;
        t = wc & 0xFF;
        if (ishangul(l, t) || isuda(l, t)) {
            *idx = (_citrus_index_t)wc;
            *csid = 1;
        } else {
            if (l >= 0xD9 && l <= 0xDE) {
                linear = l - 0xD9;
                m = 0x21;
            } else if (l >= 0xE0 && l <= 0xF9) {
                linear = l - 0xE0;
                m = 0x4A;
            } else
                return (EILSEQ);
            linear *= 188;
            if (t >= 0x31 && t <= 0x7E)
                linear += t - 0x31;
            else if (t >= 0x91 && t <= 0xFE)
                linear += t - 0x43;
            else
                return (EILSEQ);
            l = (linear / 94) + m;
            t = (linear % 94) + 0x21;
            *idx = (_citrus_index_t)((l << 8) | t);
            *csid = 2;
        }
    } else
        return (EILSEQ);
    return (0);
}

static __inline int
/*ARGSUSED*/
_citrus_JOHAB_stdenc_cstowc(_JOHABEncodingInfo * ei ,
    _citrus_wc_t * wc, _citrus_csid_t csid, _citrus_index_t idx)
{
    int m, n, l, linear, t;
    (void) ei;

    switch (csid) {
    case 0:
    case 1:
        *wc = (_citrus_wc_t)idx;
        break;
    case 2:
        if (idx >= 0x2121 && idx <= 0x2C71) {
            m = 0xD9;
            n = 0x21;
        } else if (idx >= 0x4A21 && idx <= 0x7D7E) {
            m = 0xE0;
            n = 0x4A;
        } else
            return (EILSEQ);
        l = ((idx >> 8) & 0xFF) - n;
        t = (idx & 0xFF) - 0x21;
        linear = (l * 94) + t;
        l = (linear / 188) + m;
        t = linear % 188;
        t += (t <= 0x4D) ? 0x31 : 0x43;
        break;
    default:
        return (EILSEQ);
    }
    return (0);
}

static __inline int
/*ARGSUSED*/
_citrus_JOHAB_stdenc_get_state_desc_generic(_JOHABEncodingInfo * ei ,
    _JOHABState * psenc, int * rstate)
{
    (void) ei;

    *rstate = (psenc->chlen == 0) ? _CITRUS_STDENC_SDGEN_INITIAL :
        _CITRUS_STDENC_SDGEN_INCOMPLETE_CHAR;
    return (0);
}

/* ----------------------------------------------------------------------
 * public interface for stdenc
 */

_CITRUS_STDENC_DECLS(JOHAB);
_CITRUS_STDENC_DEF_OPS(JOHAB);

#include "citrus_stdenc_template.h"

Coverage Report

Created: 2026-09-28 07:04

Line	Count	Source
1		/*-
2		* Copyright (c)2006 Citrus Project,
3		* All rights reserved.
4		*
5		* Redistribution and use in source and binary forms, with or without
6		* modification, are permitted provided that the following conditions
7		* are met:
8		* 1. Redistributions of source code must retain the above copyright
9		* notice, this list of conditions and the following disclaimer.
10		* 2. Redistributions in binary form must reproduce the above copyright
11		* notice, this list of conditions and the following disclaimer in the
12		* documentation and/or other materials provided with the distribution.
13		*
14		* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15		* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16		* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17		* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18		* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19		* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20		* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21		* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22		* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23		* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24		* SUCH DAMAGE.
25		*/
26
27		#include "dcmtk/config/osconfig.h"
28		#include "citrus_johab.h"
29
30		#include <sys/types.h>
31		#include <errno.h>
32		#include <limits.h>
33		#include <stdbool.h>
34		#include <stddef.h>
35		#include <stdint.h>
36		#include <stdio.h>
37		#include <stdlib.h>
38		#include <string.h>
39		#include <wchar.h>
40
41		#include "citrus_bcs.h"
42		#include "citrus_types.h"
43		#include "citrus_module.h"
44		#include "citrus_stdenc.h"
45
46		/* ----------------------------------------------------------------------
47		* private stuffs used by templates
48		*/
49
50		typedef struct {
51		int chlen;
52		char ch[2];
53		} _JOHABState;
54
55		typedef struct {
56		int dummy;
57		} _JOHABEncodingInfo;
58
59		#define _CEI_TO_EI(_cei_) (&(_cei_)->ei)
60		#define _CEI_TO_STATE(_cei_, _func_) (_cei_)->states.s_##_func_
61
62	0	#define _FUNCNAME(m) _citrus_JOHAB_##m
63	0	#define _ENCODING_INFO _JOHABEncodingInfo
64		#define _ENCODING_STATE _JOHABState
65	0	#define _ENCODING_MB_CUR_MAX(_ei_) 2
66	0	#define _ENCODING_IS_STATE_DEPENDENT 0
67		#define _STATE_NEEDS_EXPLICIT_INIT(_ps_) 0
68
69
70		static __inline void
71		/ARGSUSED/
72		_citrus_JOHAB_init_state(_JOHABEncodingInfo * ei ,
73		_JOHABState * psenc)
74	0	{
75	0	(void) ei;
76
77	0	psenc->chlen = 0;
78	0	}
79
80		#if 0
81		static __inline void
82		/ARGSUSED/
83		_citrus_JOHAB_pack_state(_JOHABEncodingInfo * ei ,
84		void * pspriv, const _JOHABState * psenc)
85		{
86		(void) ei;
87
88		memcpy(pspriv, (const void )psenc, sizeof(psenc));
89		}
90
91		static __inline void
92		/ARGSUSED/
93		_citrus_JOHAB_unpack_state(_JOHABEncodingInfo * ei ,
94		_JOHABState * psenc, const void * pspriv)
95		{
96		(void) ei;
97
98		memcpy((void )psenc, pspriv, sizeof(psenc));
99		}
100		#endif
101
102		static void
103		/ARGSUSED/
104		_citrus_JOHAB_encoding_module_uninit(_JOHABEncodingInfo *ei )
105	0	{
106	0	(void) ei;
107
108		/* ei may be null */
109	0	}
110
111		static int
112		/ARGSUSED/
113		_citrus_JOHAB_encoding_module_init(_JOHABEncodingInfo * ei ,
114		const void * var , size_t lenvar )
115	0	{
116	0	(void) ei;
117	0	(void) var;
118	0	(void) lenvar;
119
120		/* ei may be null */
121	0	return (0);
122	0	}
123
124		static __inline bool
125		ishangul(int l, int t)
126	0	{
127
128	0	return ((l >= 0x84 && l <= 0xD3) &&
129	0	((t >= 0x41 && t <= 0x7E) \|\| (t >= 0x81 && t <= 0xFE)));
130	0	}
131
132		static __inline bool
133		isuda(int l, int t)
134	0	{
135
136	0	return ((l == 0xD8) &&
137	0	((t >= 0x31 && t <= 0x7E) \|\| (t >= 0x91 && t <= 0xFE)));
138	0	}
139
140		static __inline bool
141		ishanja(int l, int t)
142	0	{
143
144	0	return (((l >= 0xD9 && l <= 0xDE) \|\| (l >= 0xE0 && l <= 0xF9)) &&
145	0	((t >= 0x31 && t <= 0x7E) \|\| (t >= 0x91 && t <= 0xFE)));
146	0	}
147
148		static int
149		/ARGSUSED/
150		_citrus_JOHAB_mbrtowc_priv(_JOHABEncodingInfo * ei,
151		_citrus_wc_t * pwc, char ** s, size_t n,
152		_JOHABState * psenc, size_t * nresult)
153	0	{
154	0	char *s0;
155	0	int l, t;
156
157	0	if (*s == NULL) {
158	0	_citrus_JOHAB_init_state(ei, psenc);
159	0	*nresult = _ENCODING_IS_STATE_DEPENDENT;
160	0	return (0);
161	0	}
162	0	s0 = *s;
163
164	0	switch (psenc->chlen) {
165	0	case 0:
166	0	if (n-- < 1)
167	0	goto restart;
168	0	l = *s0++ & 0xFF;
169	0	if (l <= 0x7F) {
170	0	if (pwc != NULL)
171	0	*pwc = (_citrus_wc_t)l;
172	0	*nresult = (l == 0) ? 0 : 1;
173	0	*s = s0;
174	0	return (0);
175	0	}
176	0	psenc->ch[psenc->chlen++] = (char) l;
177	0	break;
178	0	case 1:
179	0	l = psenc->ch[0] & 0xFF;
180	0	break;
181	0	default:
182	0	return (EINVAL);
183	0	}
184	0	if (n-- < 1) {
185	0	restart:
186	0	*nresult = (size_t)-2;
187	0	*s = s0;
188	0	return (0);
189	0	}
190	0	t = *s0++ & 0xFF;
191	0	if (!ishangul(l, t) && !isuda(l, t) && !ishanja(l, t)) {
192	0	*nresult = (size_t)-1;
193	0	return (EILSEQ);
194	0	}
195	0	if (pwc != NULL)
196	0	*pwc = (_citrus_wc_t)(l << 8 \| t);
197	0	nresult = s0 - s;
198	0	*s = s0;
199	0	psenc->chlen = 0;
200
201	0	return (0);
202	0	}
203
204		static int
205		/ARGSUSED/
206		_citrus_JOHAB_wcrtomb_priv(_JOHABEncodingInfo * ei ,
207		char * s, size_t n, _citrus_wc_t wc,
208		_JOHABState * psenc, size_t * nresult)
209	0	{
210	0	int l, t;
211	0	(void) ei;
212
213	0	if (psenc->chlen != 0)
214	0	return (EINVAL);
215
216		/* XXX assume _citrus_wc_t as int */
217	0	if ((uint32_t)wc <= 0x7F) {
218	0	if (n < 1)
219	0	goto e2big;
220	0	*s = wc & 0xFF;
221	0	*nresult = 1;
222	0	} else if ((uint32_t)wc <= 0xFFFF) {
223	0	if (n < 2) {
224	0	e2big:
225	0	*nresult = (size_t)-1;
226	0	return (E2BIG);
227	0	}
228	0	l = (wc >> 8) & 0xFF;
229	0	t = wc & 0xFF;
230	0	if (!ishangul(l, t) && !isuda(l, t) && !ishanja(l, t))
231	0	goto ilseq;
232	0	*s++ = (char) l;
233	0	*s = (char) t;
234	0	*nresult = 2;
235	0	} else {
236	0	ilseq:
237	0	*nresult = (size_t)-1;
238	0	return (EILSEQ);
239	0	}
240	0	return (0);
241
242	0	}
243
244		static __inline int
245		/ARGSUSED/
246		_citrus_JOHAB_stdenc_wctocs(_JOHABEncodingInfo * ei ,
247		_citrus_csid_t * csid, _citrus_index_t * idx, _citrus_wc_t wc)
248	0	{
249	0	int m, l, linear, t;
250	0	(void) ei;
251
252		/* XXX assume _citrus_wc_t as int */
253	0	if ((uint32_t)wc <= 0x7F) {
254	0	*idx = (_citrus_index_t)wc;
255	0	*csid = 0;
256	0	} else if ((uint32_t)wc <= 0xFFFF) {
257	0	l = (wc >> 8) & 0xFF;
258	0	t = wc & 0xFF;
259	0	if (ishangul(l, t) \|\| isuda(l, t)) {
260	0	*idx = (_citrus_index_t)wc;
261	0	*csid = 1;
262	0	} else {
263	0	if (l >= 0xD9 && l <= 0xDE) {
264	0	linear = l - 0xD9;
265	0	m = 0x21;
266	0	} else if (l >= 0xE0 && l <= 0xF9) {
267	0	linear = l - 0xE0;
268	0	m = 0x4A;
269	0	} else
270	0	return (EILSEQ);
271	0	linear *= 188;
272	0	if (t >= 0x31 && t <= 0x7E)
273	0	linear += t - 0x31;
274	0	else if (t >= 0x91 && t <= 0xFE)
275	0	linear += t - 0x43;
276	0	else
277	0	return (EILSEQ);
278	0	l = (linear / 94) + m;
279	0	t = (linear % 94) + 0x21;
280	0	*idx = (_citrus_index_t)((l << 8) \| t);
281	0	*csid = 2;
282	0	}
283	0	} else
284	0	return (EILSEQ);
285	0	return (0);
286	0	}
287
288		static __inline int
289		/ARGSUSED/
290		_citrus_JOHAB_stdenc_cstowc(_JOHABEncodingInfo * ei ,
291		_citrus_wc_t * wc, _citrus_csid_t csid, _citrus_index_t idx)
292	0	{
293	0	int m, n, l, linear, t;
294	0	(void) ei;
295
296	0	switch (csid) {
297	0	case 0:
298	0	case 1:
299	0	*wc = (_citrus_wc_t)idx;
300	0	break;
301	0	case 2:
302	0	if (idx >= 0x2121 && idx <= 0x2C71) {
303	0	m = 0xD9;
304	0	n = 0x21;
305	0	} else if (idx >= 0x4A21 && idx <= 0x7D7E) {
306	0	m = 0xE0;
307	0	n = 0x4A;
308	0	} else
309	0	return (EILSEQ);
310	0	l = ((idx >> 8) & 0xFF) - n;
311	0	t = (idx & 0xFF) - 0x21;
312	0	linear = (l * 94) + t;
313	0	l = (linear / 188) + m;
314	0	t = linear % 188;
315	0	t += (t <= 0x4D) ? 0x31 : 0x43;
316	0	break;
317	0	default:
318	0	return (EILSEQ);
319	0	}
320	0	return (0);
321	0	}
322
323		static __inline int
324		/ARGSUSED/
325		_citrus_JOHAB_stdenc_get_state_desc_generic(_JOHABEncodingInfo * ei ,
326		_JOHABState * psenc, int * rstate)
327	0	{
328	0	(void) ei;
329
330	0	*rstate = (psenc->chlen == 0) ? _CITRUS_STDENC_SDGEN_INITIAL :
331	0	_CITRUS_STDENC_SDGEN_INCOMPLETE_CHAR;
332	0	return (0);
333	0	}
334
335		/* ----------------------------------------------------------------------
336		* public interface for stdenc
337		*/
338
339		_CITRUS_STDENC_DECLS(JOHAB);
340		_CITRUS_STDENC_DEF_OPS(JOHAB);
341
342		#include "citrus_stdenc_template.h"