| /* Conversion to and from ARMSCII-8 |
| Copyright (C) 1997-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <dlfcn.h> |
| #include <stdint.h> |
| |
| /* Definitions used in the body of the `gconv' function. */ |
| #define CHARSET_NAME "ARMSCII-8//" |
| #define FROM_LOOP from_armscii_8 |
| #define TO_LOOP to_armscii_8 |
| #define DEFINE_INIT 1 |
| #define DEFINE_FINI 1 |
| #define MIN_NEEDED_FROM 1 |
| #define MIN_NEEDED_TO 4 |
| |
| |
| static const uint16_t map_from_armscii_8[0xfe - 0xa2 + 1] = |
| { |
| 0x0587, 0x0589, 0x0029, 0x0028, 0x00bb, 0x00ab, 0x2014, 0x002e, |
| 0x055d, 0x002c, 0x002d, 0x058a, 0x2026, 0x055c, 0x055b, 0x055e, |
| 0x0531, 0x0561, 0x0532, 0x0562, 0x0533, 0x0563, 0x0534, 0x0564, |
| 0x0535, 0x0565, 0x0536, 0x0566, 0x0537, 0x0567, 0x0538, 0x0568, |
| 0x0539, 0x0569, 0x053a, 0x056a, 0x053b, 0x056b, 0x053c, 0x056c, |
| 0x053d, 0x056d, 0x053e, 0x056e, 0x053f, 0x056f, 0x0540, 0x0570, |
| 0x0541, 0x0571, 0x0542, 0x0572, 0x0543, 0x0573, 0x0544, 0x0574, |
| 0x0545, 0x0575, 0x0546, 0x0576, 0x0547, 0x0577, 0x0548, 0x0578, |
| 0x0549, 0x0579, 0x054a, 0x057a, 0x054b, 0x057b, 0x054c, 0x057c, |
| 0x054d, 0x057d, 0x054e, 0x057e, 0x054f, 0x057f, 0x0550, 0x0580, |
| 0x0551, 0x0581, 0x0552, 0x0582, 0x0553, 0x0583, 0x0554, 0x0584, |
| 0x0555, 0x0585, 0x0556, 0x0586, 0x055a |
| }; |
| |
| |
| /* First define the conversion function from ARMSCII-8 to UCS4. */ |
| #define MIN_NEEDED_INPUT MIN_NEEDED_FROM |
| #define MIN_NEEDED_OUTPUT MIN_NEEDED_TO |
| #define LOOPFCT FROM_LOOP |
| #define BODY \ |
| { \ |
| uint_fast8_t ch = *inptr; \ |
| \ |
| if (ch <= 0xa0) \ |
| { \ |
| /* Upto and including 0xa0 the ARMSCII-8 corresponds to Unicode. */ \ |
| *((uint32_t *) outptr) = ch; \ |
| outptr += sizeof (uint32_t); \ |
| } \ |
| else if (ch >= 0xa2 && ch <= 0xfe) \ |
| { \ |
| /* Use the table. */ \ |
| *((uint32_t *) outptr) = map_from_armscii_8[ch - 0xa2]; \ |
| outptr += sizeof (uint32_t); \ |
| } \ |
| else \ |
| { \ |
| /* This is an illegal character. */ \ |
| STANDARD_FROM_LOOP_ERR_HANDLER (1); \ |
| } \ |
| \ |
| ++inptr; \ |
| } |
| #define LOOP_NEED_FLAGS |
| #define ONEBYTE_BODY \ |
| { \ |
| if (c <= 0xa0) \ |
| /* Upto and including 0xa0 the ARMSCII-8 corresponds to Unicode. */ \ |
| return c; \ |
| else if (c >= 0xa2 && c <= 0xfe) \ |
| /* Use the table. */ \ |
| return map_from_armscii_8[c - 0xa2]; \ |
| else \ |
| return WEOF; \ |
| } |
| #include <iconv/loop.c> |
| |
| |
| static const unsigned char map_to_armscii_8[0x58a - 0x531 + 1] = |
| { |
| 0xb2, 0xb4, 0xb6, 0xb8, 0xba, 0xbc, 0xbe, 0xc0, |
| 0xc2, 0xc4, 0xc6, 0xc8, 0xca, 0xcc, 0xce, 0xd0, |
| 0xd2, 0xd4, 0xd6, 0xd8, 0xda, 0xdc, 0xde, 0xe0, |
| 0xe2, 0xe4, 0xe6, 0xe8, 0xea, 0xec, 0xee, 0xf0, |
| 0xf2, 0xf4, 0xf6, 0xf8, 0xfa, 0xfc, 0x00, 0x00, |
| 0x00, 0xfe, 0xb0, 0xaf, 0xaa, 0xb1, 0x00, 0x00, |
| 0xb3, 0xb5, 0xb7, 0xb9, 0xbb, 0xbd, 0xbf, 0xc1, |
| 0xc3, 0xc5, 0xc7, 0xc9, 0xcb, 0xcd, 0xcf, 0xd1, |
| 0xd3, 0xd5, 0xd7, 0xd9, 0xdb, 0xdd, 0xdf, 0xe1, |
| 0xe3, 0xe5, 0xe7, 0xe9, 0xeb, 0xed, 0xef, 0xf1, |
| 0xf3, 0xf5, 0xf7, 0xf9, 0xfb, 0xfd, 0xa2, 0x00, |
| 0xa3, 0xad |
| }; |
| |
| |
| /* Next, define the other direction. */ |
| #define MIN_NEEDED_INPUT MIN_NEEDED_TO |
| #define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM |
| #define LOOPFCT TO_LOOP |
| #define BODY \ |
| { \ |
| uint32_t ch = *((const uint32_t *) inptr); \ |
| \ |
| if (ch <= 0xa0) \ |
| /* Upto and including 0xa0 the ARMSCII-8 corresponds to Unicode. */ \ |
| *outptr = (unsigned char) ch; \ |
| else if (ch == 0xab) \ |
| *outptr = 0xa7; \ |
| else if (ch == 0xbb) \ |
| *outptr = 0xa6; \ |
| else if (ch >= 0x531 && ch <= 0x58a) \ |
| { \ |
| unsigned char oc = map_to_armscii_8[ch - 0x531]; \ |
| \ |
| if (oc == 0) \ |
| /* No valid mapping. */ \ |
| goto err; \ |
| \ |
| *outptr = oc; \ |
| } \ |
| else if (ch == 0x2014) \ |
| *outptr = 0xa8; \ |
| else if (ch == 0x2026) \ |
| *outptr = 0xae; \ |
| else \ |
| { \ |
| UNICODE_TAG_HANDLER (ch, 4); \ |
| \ |
| /* We have an illegal character. */ \ |
| err: \ |
| STANDARD_TO_LOOP_ERR_HANDLER (4); \ |
| } \ |
| ++outptr; \ |
| inptr += 4; \ |
| } |
| #define LOOP_NEED_FLAGS |
| #include <iconv/loop.c> |
| |
| |
| /* Now define the toplevel functions. */ |
| #include <iconv/skeleton.c> |
