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/*
* Copyright (c) 2001 Japan Network Information Center. All rights reserved.
*
* By using this file, you agree to the terms and conditions set forth bellow.
*
* LICENSE TERMS AND CONDITIONS
*
* The following License Terms and Conditions apply, unless a different
* license is obtained from Japan Network Information Center ("JPNIC"),
* a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
* Chiyoda-ku, Tokyo 101-0047, Japan.
*
* 1. Use, Modification and Redistribution (including distribution of any
* modified or derived work) in source and/or binary forms is permitted
* under this License Terms and Conditions.
*
* 2. Redistribution of source code must retain the copyright notices as they
* appear in each source code file, this License Terms and Conditions.
*
* 3. Redistribution in binary form must reproduce the Copyright Notice,
* this License Terms and Conditions, in the documentation and/or other
* materials provided with the distribution. For the purposes of binary
* distribution the "Copyright Notice" refers to the following language:
* "Copyright (c) 2000-2002 Japan Network Information Center. All rights reserved."
*
* 4. The name of JPNIC may not be used to endorse or promote products
* derived from this Software without specific prior written approval of
* JPNIC.
*
* 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
* "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 JPNIC 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 DAMAGES.
*/
/*
* Include this file once for each version of NAMEPREP.
* VERSION should be defined to appropriate value before inclusion.
*/
#ifndef NAMEPREP_TEMPLATE_INIT
#define NAMEPREP_TEMPLATE_INIT
/* Symbol composition. */
#define compose_sym2(a, b) compose_sym2X(a, b)
#define compose_sym2X(a, b) a ## b
#define compose_sym3(a, b, c) compose_sym3X(a, b, c)
#define compose_sym3X(a, b, c) a ## b ## c
/* The table is based on "Optimized Two-Stage Table" mentioned in
* Unicode 3.0 page 106, extended to handle 21bit data instead of 16 bit.
*/
/* Index calculation for multi-level index tables. */
#define IDX0(type, v) IDX_0(v, BITS1(type), BITS2(type))
#define IDX1(type, v) IDX_1(v, BITS1(type), BITS2(type))
#define IDX2(type, v) IDX_2(v, BITS1(type), BITS2(type))
#define IDX_0(v, bits1, bits2) ((v) >> ((bits1) + (bits2)))
#define IDX_1(v, bits1, bits2) (((v) >> (bits2)) & ((1 << (bits1)) - 1))
#define IDX_2(v, bits1, bits2) ((v) & ((1 << (bits2)) - 1))
#define BITS1(type) type ## _BITS_1
#define BITS2(type) type ## _BITS_2
#endif /* NAMEPREP_TEMPLATE_INIT */
static const char *
compose_sym2(nameprep_map_, VERSION) (uint32_t v) {
int idx0 = IDX0(MAP, v);
int idx1 = IDX1(MAP, v);
int idx2 = IDX2(MAP, v);
int offset;
#define IMAP compose_sym3(nameprep_, VERSION, _map_imap)
#define TABLE compose_sym3(nameprep_, VERSION, _map_table)
#define DATA compose_sym3(nameprep_, VERSION, _map_data)
offset = TABLE[IMAP[IMAP[idx0] + idx1]].tbl[idx2];
if (offset == 0)
return (NULL); /* no mapping */
return (const char *)(DATA + offset);
#undef IMAP
#undef TABLE
#undef DATA
}
static int
compose_sym2(nameprep_prohibited_, VERSION) (uint32_t v) {
int idx0 = IDX0(PROH, v);
int idx1 = IDX1(PROH, v);
int idx2 = IDX2(PROH, v);
const unsigned char *bm;
#define IMAP compose_sym3(nameprep_, VERSION, _prohibited_imap)
#define BITMAP compose_sym3(nameprep_, VERSION, _prohibited_bitmap)
bm = BITMAP[IMAP[IMAP[idx0] + idx1]].bm;
return (bm[idx2 / 8] & (1 << (idx2 % 8)));
#undef IMAP
#undef BITMAP
}
static int
compose_sym2(nameprep_unassigned_, VERSION) (uint32_t v) {
int idx0 = IDX0(UNAS, v);
int idx1 = IDX1(UNAS, v);
int idx2 = IDX2(UNAS, v);
const unsigned char *bm;
#define IMAP compose_sym3(nameprep_, VERSION, _unassigned_imap)
#define BITMAP compose_sym3(nameprep_, VERSION, _unassigned_bitmap)
bm = BITMAP[IMAP[IMAP[idx0] + idx1]].bm;
return (bm[idx2 / 8] & (1 << (idx2 % 8)));
#undef IMAP
#undef BITMAP
}
static idn_biditype_t
compose_sym2(nameprep_biditype_, VERSION) (uint32_t v) {
int idx0 = IDX0(BIDI, v);
int idx1 = IDX1(BIDI, v);
int idx2 = IDX2(BIDI, v);
int offset;
#define IMAP compose_sym3(nameprep_, VERSION, _bidi_imap)
#define TABLE compose_sym3(nameprep_, VERSION, _bidi_table)
#define DATA compose_sym3(nameprep_, VERSION, _bidi_data)
offset = TABLE[IMAP[IMAP[idx0] + idx1]].tbl[idx2];
return DATA[offset];
#undef IMAP
#undef TABLE
#undef DATA
}
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