| /* Conversion from and to TSCII. |
| Copyright (C) 2002-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Bruno Haible <bruno@clisp.org>, 2002. |
| |
| 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> |
| #include <gconv.h> |
| #include <assert.h> |
| |
| /* TSCII is an 8-bit encoding consisting of: |
| 0x00..0x7F: ASCII |
| 0x80..0x90, 0x95..0x9F, 0xAB..0xFE: |
| Tamil letters and glyphs |
| 0xA1..0xA5, 0xAA: Tamil combining letters (after the base character) |
| 0xA6..0xA8: Tamil combining letters (before the base character) |
| 0x91..0x94: Punctuation |
| 0xA9: Symbols |
| */ |
| |
| /* Definitions used in the body of the `gconv' function. */ |
| #define CHARSET_NAME "TSCII//" |
| #define FROM_LOOP from_tscii |
| #define TO_LOOP to_tscii |
| #define DEFINE_INIT 1 |
| #define DEFINE_FINI 1 |
| #define FROM_LOOP_MIN_NEEDED_FROM 1 |
| #define FROM_LOOP_MAX_NEEDED_FROM 2 |
| #define FROM_LOOP_MIN_NEEDED_TO 4 |
| #define FROM_LOOP_MAX_NEEDED_TO 16 |
| #define TO_LOOP_MIN_NEEDED_FROM 4 |
| #define TO_LOOP_MAX_NEEDED_FROM 4 |
| #define TO_LOOP_MIN_NEEDED_TO 1 |
| #define TO_LOOP_MAX_NEEDED_TO 3 |
| #define PREPARE_LOOP \ |
| int saved_state; \ |
| int *statep = &data->__statep->__count; |
| #define EXTRA_LOOP_ARGS , statep |
| |
| |
| /* Since we might have to reset input pointer we must be able to save |
| and restore the state. */ |
| #define SAVE_RESET_STATE(Save) \ |
| if (Save) \ |
| saved_state = *statep; \ |
| else \ |
| *statep = saved_state |
| |
| |
| /* During TSCII to UCS-4 conversion, the COUNT element of the state contains |
| the last UCS-4 character to be output, shifted by 8 bits, and an encoded |
| representation of additional UCS-4 characters to be output (if any), |
| shifted by 4 bits. This character can be: |
| 0x0000 Nothing pending. |
| 0x0BCD Pending VIRAMA sign. If bit 3 is set, it may be |
| omitted if followed by a vowel sign U or UU. |
| 0x0BC6, 0x0BC7, 0x0BC8 Pending vowel sign. Bit 3 is set after the |
| consonant was seen. |
| Other Bit 3 always cleared. */ |
| |
| /* During UCS-4 to TSCII conversion, the COUNT element of the state contains |
| the last byte (or sometimes the last two bytes) to be output, shifted by |
| 3 bits. This can be: |
| 0x00 Nothing pending. |
| 0xB8..0xC9, 0x83..0x86 A consonant. |
| 0xEC, 0x8A A consonant with VIRAMA sign (final or joining). |
| 0x87, 0xC38A Two consonants combined through a VIRAMA sign. */ |
| |
| /* Since this is a stateful encoding we have to provide code which resets |
| the output state to the initial state. This has to be done during the |
| flushing. */ |
| #define EMIT_SHIFT_TO_INIT \ |
| if (data->__statep->__count != 0) \ |
| { \ |
| if (FROM_DIRECTION) \ |
| { \ |
| do \ |
| { \ |
| if (__builtin_expect (outbuf + 4 > outend, 0)) \ |
| { \ |
| /* We don't have enough room in the output buffer. */ \ |
| status = __GCONV_FULL_OUTPUT; \ |
| break; \ |
| } \ |
| /* Write out the pending character. */ \ |
| *((uint32_t *) outbuf) = data->__statep->__count >> 8; \ |
| outbuf += sizeof (uint32_t); \ |
| /* Retrieve the successor state. */ \ |
| data->__statep->__count = \ |
| tscii_next_state[(data->__statep->__count >> 4) & 0x0f]; \ |
| } \ |
| while (data->__statep->__count != 0); \ |
| } \ |
| else \ |
| { \ |
| uint32_t last = data->__statep->__count >> 3; \ |
| if (__builtin_expect (last >> 8, 0)) \ |
| { \ |
| /* Write out the last character, two bytes. */ \ |
| if (__builtin_expect (outbuf + 2 <= outend, 1)) \ |
| { \ |
| *outbuf++ = last & 0xff; \ |
| *outbuf++ = (last >> 8) & 0xff; \ |
| data->__statep->__count = 0; \ |
| } \ |
| else \ |
| /* We don't have enough room in the output buffer. */ \ |
| status = __GCONV_FULL_OUTPUT; \ |
| } \ |
| else \ |
| { \ |
| /* Write out the last character, a single byte. */ \ |
| if (__builtin_expect (outbuf < outend, 1)) \ |
| { \ |
| *outbuf++ = last & 0xff; \ |
| data->__statep->__count = 0; \ |
| } \ |
| else \ |
| /* We don't have enough room in the output buffer. */ \ |
| status = __GCONV_FULL_OUTPUT; \ |
| } \ |
| } \ |
| } |
| |
| |
| /* First define the conversion function from TSCII to UCS-4. */ |
| |
| static const uint16_t tscii_to_ucs4[128][2] = |
| { |
| { 0x0BE6, 0 }, |
| { 0x0BE7, 0 }, |
| { 0, 0 }, /* 0x82 - maps to <U0BB8><U0BCD><U0BB0><U0BC0> */ |
| { 0x0B9C, 0 }, |
| { 0x0BB7, 0 }, |
| { 0x0BB8, 0 }, |
| { 0x0BB9, 0 }, |
| { 0, 0 }, /* 0x87 - maps to <U0B95><U0BCD><U0BB7> */ |
| { 0x0B9C, 0x0BCD }, |
| { 0x0BB7, 0x0BCD }, |
| { 0, 0 }, /* 0x8a - maps to <U0BB8> and buffers <U0BCD> */ |
| { 0, 0 }, /* 0x8b - maps to <U0BB9> and buffers <U0BCD> */ |
| { 0, 0 }, /* 0x8c - maps to <U0B95><U0BCD><U0BB7><U0BCD> */ |
| { 0x0BE8, 0 }, |
| { 0x0BE9, 0 }, |
| { 0x0BEA, 0 }, |
| { 0x0BEB, 0 }, |
| { 0x2018, 0 }, |
| { 0x2019, 0 }, |
| { 0x201C, 0 }, |
| { 0x201D, 0 }, |
| { 0x0BEC, 0 }, |
| { 0x0BED, 0 }, |
| { 0x0BEE, 0 }, |
| { 0x0BEF, 0 }, |
| { 0x0B99, 0x0BC1 }, |
| { 0x0B9E, 0x0BC1 }, |
| { 0x0B99, 0x0BC2 }, |
| { 0x0B9E, 0x0BC2 }, |
| { 0x0BF0, 0 }, |
| { 0x0BF1, 0 }, |
| { 0x0BF2, 0 }, |
| { 0, 0 }, /* 0xa0 - unmapped */ |
| { 0x0BBE, 0 }, |
| { 0x0BBF, 0 }, |
| { 0x0BC0, 0 }, |
| { 0x0BC1, 0 }, |
| { 0x0BC2, 0 }, |
| { 0, 0 }, /* 0xa6 - buffers <U0BC6> */ |
| { 0, 0 }, /* 0xa7 - buffers <U0BC7> */ |
| { 0, 0 }, /* 0xa8 - buffers <U0BC8> */ |
| { 0x00A9, 0 }, |
| { 0x0BD7, 0 }, |
| { 0x0B85, 0 }, |
| { 0x0B86, 0 }, |
| { 0x0B87, 0 }, |
| { 0x0B88, 0 }, |
| { 0x0B89, 0 }, |
| { 0x0B8A, 0 }, |
| { 0x0B8E, 0 }, |
| { 0x0B8F, 0 }, |
| { 0x0B90, 0 }, |
| { 0x0B92, 0 }, |
| { 0x0B93, 0 }, |
| { 0x0B94, 0 }, |
| { 0x0B83, 0 }, |
| { 0x0B95, 0 }, |
| { 0x0B99, 0 }, |
| { 0x0B9A, 0 }, |
| { 0x0B9E, 0 }, |
| { 0x0B9F, 0 }, |
| { 0x0BA3, 0 }, |
| { 0x0BA4, 0 }, |
| { 0x0BA8, 0 }, |
| { 0x0BAA, 0 }, |
| { 0x0BAE, 0 }, |
| { 0x0BAF, 0 }, |
| { 0x0BB0, 0 }, |
| { 0x0BB2, 0 }, |
| { 0x0BB5, 0 }, |
| { 0x0BB4, 0 }, |
| { 0x0BB3, 0 }, |
| { 0x0BB1, 0 }, |
| { 0x0BA9, 0 }, |
| { 0x0B9F, 0x0BBF }, |
| { 0x0B9F, 0x0BC0 }, |
| { 0x0B95, 0x0BC1 }, |
| { 0x0B9A, 0x0BC1 }, |
| { 0x0B9F, 0x0BC1 }, |
| { 0x0BA3, 0x0BC1 }, |
| { 0x0BA4, 0x0BC1 }, |
| { 0x0BA8, 0x0BC1 }, |
| { 0x0BAA, 0x0BC1 }, |
| { 0x0BAE, 0x0BC1 }, |
| { 0x0BAF, 0x0BC1 }, |
| { 0x0BB0, 0x0BC1 }, |
| { 0x0BB2, 0x0BC1 }, |
| { 0x0BB5, 0x0BC1 }, |
| { 0x0BB4, 0x0BC1 }, |
| { 0x0BB3, 0x0BC1 }, |
| { 0x0BB1, 0x0BC1 }, |
| { 0x0BA9, 0x0BC1 }, |
| { 0x0B95, 0x0BC2 }, |
| { 0x0B9A, 0x0BC2 }, |
| { 0x0B9F, 0x0BC2 }, |
| { 0x0BA3, 0x0BC2 }, |
| { 0x0BA4, 0x0BC2 }, |
| { 0x0BA8, 0x0BC2 }, |
| { 0x0BAA, 0x0BC2 }, |
| { 0x0BAE, 0x0BC2 }, |
| { 0x0BAF, 0x0BC2 }, |
| { 0x0BB0, 0x0BC2 }, |
| { 0x0BB2, 0x0BC2 }, |
| { 0x0BB5, 0x0BC2 }, |
| { 0x0BB4, 0x0BC2 }, |
| { 0x0BB3, 0x0BC2 }, |
| { 0x0BB1, 0x0BC2 }, |
| { 0x0BA9, 0x0BC2 }, |
| { 0x0B95, 0x0BCD }, |
| { 0x0B99, 0x0BCD }, |
| { 0x0B9A, 0x0BCD }, |
| { 0x0B9E, 0x0BCD }, |
| { 0x0B9F, 0x0BCD }, |
| { 0x0BA3, 0x0BCD }, |
| { 0x0BA4, 0x0BCD }, |
| { 0x0BA8, 0x0BCD }, |
| { 0x0BAA, 0x0BCD }, |
| { 0x0BAE, 0x0BCD }, |
| { 0x0BAF, 0x0BCD }, |
| { 0x0BB0, 0x0BCD }, |
| { 0x0BB2, 0x0BCD }, |
| { 0x0BB5, 0x0BCD }, |
| { 0x0BB4, 0x0BCD }, |
| { 0x0BB3, 0x0BCD }, |
| { 0x0BB1, 0x0BCD }, |
| { 0x0BA9, 0x0BCD }, |
| { 0x0B87, 0 }, |
| { 0, 0 } /* 0xff - unmapped */ |
| }; |
| |
| static const uint32_t tscii_next_state[6] = |
| { |
| /* 0 means no more pending Unicode characters. */ |
| 0, |
| /* 1 means <U0BB7>. */ |
| (0x0BB7 << 8), |
| /* 2 means <U0BC0>. */ |
| (0x0BC0 << 8), |
| /* 3 means <U0BCD>. */ |
| (0x0BCD << 8), |
| /* 4 means <U0BB0><U0BC0>. */ |
| (0x0BB0 << 8) + (2 << 4), |
| /* 5 means <U0BB7><U0BCD>. */ |
| (0x0BB7 << 8) + (3 << 4) |
| }; |
| |
| #define MIN_NEEDED_INPUT FROM_LOOP_MIN_NEEDED_FROM |
| #define MAX_NEEDED_INPUT FROM_LOOP_MAX_NEEDED_FROM |
| #define MIN_NEEDED_OUTPUT FROM_LOOP_MIN_NEEDED_TO |
| #define MAX_NEEDED_OUTPUT FROM_LOOP_MAX_NEEDED_TO |
| #define LOOPFCT FROM_LOOP |
| #define BODY \ |
| { \ |
| uint32_t ch = *inptr; \ |
| \ |
| if ((*statep >> 8) != 0) \ |
| { \ |
| /* Attempt to combine the last character with this one. */ \ |
| uint32_t last = *statep >> 8; \ |
| \ |
| if (last == 0x0BCD && (*statep & (1 << 3))) \ |
| { \ |
| if (ch == 0xa4 || ch == 0xa5) \ |
| { \ |
| ch += 0xb1d; \ |
| /* Now ch = 0x0BC1 or ch = 0x0BC2. */ \ |
| put32 (outptr, ch); \ |
| outptr += 4; \ |
| *statep = 0; \ |
| inptr++; \ |
| continue; \ |
| } \ |
| } \ |
| else if (last >= 0x0BC6 && last <= 0x0BC8) \ |
| { \ |
| if ((last == 0x0BC6 && ch == 0xa1) \ |
| || (last == 0x0BC7 && (ch == 0xa1 || ch == 0xaa))) \ |
| { \ |
| ch = last + 4 + (ch != 0xa1); \ |
| /* Now ch = 0x0BCA or ch = 0x0BCB or ch = 0x0BCC. */ \ |
| put32 (outptr, ch); \ |
| outptr += 4; \ |
| *statep = 0; \ |
| inptr++; \ |
| continue; \ |
| } \ |
| if ((ch >= 0xb8 && ch <= 0xc9) && (*statep & (1 << 3)) == 0) \ |
| { \ |
| ch = tscii_to_ucs4[ch - 0x80][0]; \ |
| put32 (outptr, ch); \ |
| outptr += 4; \ |
| *statep |= 1 << 3; \ |
| inptr++; \ |
| continue; \ |
| } \ |
| } \ |
| \ |
| do \ |
| { \ |
| /* Output the buffered character. */ \ |
| put32 (outptr, last); \ |
| outptr += 4; \ |
| /* Retrieve the successor state. */ \ |
| *statep = tscii_next_state[(*statep >> 4) & 0x0f]; \ |
| } \ |
| while (*statep != 0 && __builtin_expect (outptr + 4 <= outend, 1)); \ |
| \ |
| if (*statep != 0) \ |
| { \ |
| /* We don't have enough room in the output buffer. \ |
| Tell the caller why we terminate the loop. */ \ |
| result = __GCONV_FULL_OUTPUT; \ |
| break; \ |
| } \ |
| \ |
| continue; \ |
| } \ |
| \ |
| if (ch < 0x80) \ |
| { \ |
| /* Plain ASCII character. */ \ |
| put32 (outptr, ch); \ |
| outptr += 4; \ |
| } \ |
| else \ |
| { \ |
| /* Tamil character. */ \ |
| uint32_t u1 = tscii_to_ucs4[ch - 0x80][0]; \ |
| \ |
| if (u1 != 0) \ |
| { \ |
| uint32_t u2 = tscii_to_ucs4[ch - 0x80][1]; \ |
| \ |
| inptr++; \ |
| \ |
| put32 (outptr, u1); \ |
| outptr += 4; \ |
| \ |
| if (u2 != 0) \ |
| { \ |
| /* See whether we have room for two characters. Otherwise \ |
| store only the first character now, and put the second \ |
| one into the queue. */ \ |
| if (__builtin_expect (outptr + 4 > outend, 0)) \ |
| { \ |
| *statep = u2 << 8; \ |
| result = __GCONV_FULL_OUTPUT; \ |
| break; \ |
| } \ |
| put32 (outptr, u2); \ |
| outptr += 4; \ |
| } \ |
| continue; \ |
| } \ |
| /* Special handling of a few Tamil characters. */ \ |
| else if (ch == 0xa6 || ch == 0xa7 || ch == 0xa8) \ |
| { \ |
| ch += 0x0b20; \ |
| /* Now ch = 0x0BC6 or ch = 0x0BC7 or ch = 0x0BC8. */ \ |
| *statep = ch << 8; \ |
| inptr++; \ |
| continue; \ |
| } \ |
| else if (ch == 0x8a || ch == 0x8b) \ |
| { \ |
| ch += 0x0b2e; \ |
| /* Now ch = 0x0BB8 or ch = 0x0BB9. */ \ |
| put32 (outptr, ch); \ |
| outptr += 4; \ |
| *statep = (0x0BCD << 8) + (1 << 3); \ |
| inptr++; \ |
| continue; \ |
| } \ |
| else if (ch == 0x82) \ |
| { \ |
| /* Output <U0BB8><U0BCD><U0BB0><U0BC0>, if we have room for \ |
| four characters. */ \ |
| inptr++; \ |
| put32 (outptr, 0x0BB8); \ |
| outptr += 4; \ |
| if (__builtin_expect (outptr + 4 > outend, 0)) \ |
| { \ |
| *statep = (0x0BCD << 8) + (4 << 4); \ |
| result = __GCONV_FULL_OUTPUT; \ |
| break; \ |
| } \ |
| put32 (outptr, 0x0BCD); \ |
| outptr += 4; \ |
| if (__builtin_expect (outptr + 4 > outend, 0)) \ |
| { \ |
| *statep = (0x0BB0 << 8) + (2 << 4); \ |
| result = __GCONV_FULL_OUTPUT; \ |
| break; \ |
| } \ |
| put32 (outptr, 0x0BB0); \ |
| outptr += 4; \ |
| if (__builtin_expect (outptr + 4 > outend, 0)) \ |
| { \ |
| *statep = (0x0BC0 << 8); \ |
| result = __GCONV_FULL_OUTPUT; \ |
| break; \ |
| } \ |
| put32 (outptr, 0x0BC0); \ |
| outptr += 4; \ |
| continue; \ |
| } \ |
| else if (ch == 0x87) \ |
| { \ |
| /* Output <U0B95><U0BCD><U0BB7>, if we have room for \ |
| three characters. */ \ |
| inptr++; \ |
| put32 (outptr, 0x0B95); \ |
| outptr += 4; \ |
| if (__builtin_expect (outptr + 4 > outend, 0)) \ |
| { \ |
| *statep = (0x0BCD << 8) + (1 << 4); \ |
| result = __GCONV_FULL_OUTPUT; \ |
| break; \ |
| } \ |
| put32 (outptr, 0x0BCD); \ |
| outptr += 4; \ |
| if (__builtin_expect (outptr + 4 > outend, 0)) \ |
| { \ |
| *statep = (0x0BB7 << 8); \ |
| result = __GCONV_FULL_OUTPUT; \ |
| break; \ |
| } \ |
| put32 (outptr, 0x0BB7); \ |
| outptr += 4; \ |
| continue; \ |
| } \ |
| else if (ch == 0x8c) \ |
| { \ |
| /* Output <U0B95><U0BCD><U0BB7><U0BCD>, if we have room for \ |
| four characters. */ \ |
| inptr++; \ |
| put32 (outptr, 0x0B95); \ |
| outptr += 4; \ |
| if (__builtin_expect (outptr + 4 > outend, 0)) \ |
| { \ |
| *statep = (0x0BCD << 8) + (5 << 4); \ |
| result = __GCONV_FULL_OUTPUT; \ |
| break; \ |
| } \ |
| put32 (outptr, 0x0BCD); \ |
| outptr += 4; \ |
| if (__builtin_expect (outptr + 4 > outend, 0)) \ |
| { \ |
| *statep = (0x0BB7 << 8) + (3 << 4); \ |
| result = __GCONV_FULL_OUTPUT; \ |
| break; \ |
| } \ |
| put32 (outptr, 0x0BB7); \ |
| outptr += 4; \ |
| if (__builtin_expect (outptr + 4 > outend, 0)) \ |
| { \ |
| *statep = (0x0BCD << 8); \ |
| result = __GCONV_FULL_OUTPUT; \ |
| break; \ |
| } \ |
| put32 (outptr, 0x0BCD); \ |
| outptr += 4; \ |
| continue; \ |
| } \ |
| else \ |
| { \ |
| /* This is illegal. */ \ |
| STANDARD_FROM_LOOP_ERR_HANDLER (1); \ |
| } \ |
| } \ |
| \ |
| /* Now that we wrote the output increment the input pointer. */ \ |
| inptr++; \ |
| } |
| #define LOOP_NEED_FLAGS |
| #define EXTRA_LOOP_DECLS , int *statep |
| #include <iconv/loop.c> |
| |
| |
| /* Next, define the other direction, from UCS-4 to TSCII. */ |
| |
| static const uint8_t ucs4_to_tscii[128] = |
| { |
| 0, 0, 0, 0xb7, 0, 0xab, 0xac, 0xfe, /* 0x0B80..0x0B87 */ |
| 0xae, 0xaf, 0xb0, 0, 0, 0, 0xb1, 0xb2, /* 0x0B88..0x0B8F */ |
| 0xb3, 0, 0xb4, 0xb5, 0xb6, 0xb8, 0, 0, /* 0x0B90..0x0B97 */ |
| 0, 0xb9, 0xba, 0, 0x83, 0, 0xbb, 0xbc, /* 0x0B98..0x0B9F */ |
| 0, 0, 0, 0xbd, 0xbe, 0, 0, 0, /* 0x0BA0..0x0BA7 */ |
| 0xbf, 0xc9, 0xc0, 0, 0, 0, 0xc1, 0xc2, /* 0x0BA8..0x0BAF */ |
| 0xc3, 0xc8, 0xc4, 0xc7, 0xc6, 0xc5, 0, 0x84, /* 0x0BB0..0x0BB7 */ |
| 0x85, 0x86, 0, 0, 0, 0, 0xa1, 0xa2, /* 0x0BB8..0x0BBF */ |
| 0xa3, 0xa4, 0xa5, 0, 0, 0, 0xa6, 0xa7, /* 0x0BC0..0x0BC7 */ |
| 0xa8, 0, 0, 0, 0, 0, 0, 0, /* 0x0BC8..0x0BCF */ |
| 0, 0, 0, 0, 0, 0, 0, 0xaa, /* 0x0BD0..0x0BD7 */ |
| 0, 0, 0, 0, 0, 0, 0, 0, /* 0x0BD8..0x0BDF */ |
| 0, 0, 0, 0, 0, 0, 0x80, 0x81, /* 0x0BE0..0x0BE7 */ |
| 0x8d, 0x8e, 0x8f, 0x90, 0x95, 0x96, 0x97, 0x98, /* 0x0BE8..0x0BEF */ |
| 0x9d, 0x9e, 0x9f, 0, 0, 0, 0, 0, /* 0x0BF0..0x0BF7 */ |
| 0, 0, 0, 0, 0, 0, 0, 0 /* 0x0BF8..0x0BFF */ |
| }; |
| |
| static const uint8_t consonant_with_u[18] = |
| { |
| 0xcc, 0x99, 0xcd, 0x9a, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, |
| 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb |
| }; |
| |
| static const uint8_t consonant_with_uu[18] = |
| { |
| 0xdc, 0x9b, 0xdd, 0x9c, 0xde, 0xdf, 0xe0, 0xe1, 0xe2, |
| 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb |
| }; |
| |
| static const uint8_t consonant_with_virama[18] = |
| { |
| 0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, |
| 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd |
| }; |
| |
| #define MIN_NEEDED_INPUT TO_LOOP_MIN_NEEDED_FROM |
| #define MAX_NEEDED_INPUT TO_LOOP_MAX_NEEDED_FROM |
| #define MIN_NEEDED_OUTPUT TO_LOOP_MIN_NEEDED_TO |
| #define MAX_NEEDED_OUTPUT TO_LOOP_MAX_NEEDED_TO |
| #define LOOPFCT TO_LOOP |
| #define BODY \ |
| { \ |
| uint32_t ch = get32 (inptr); \ |
| \ |
| if ((*statep >> 3) != 0) \ |
| { \ |
| /* Attempt to combine the last character with this one. */ \ |
| uint32_t last = *statep >> 3; \ |
| \ |
| if (last >= 0xb8 && last <= 0xc9) \ |
| { \ |
| if (ch == 0x0BC1) \ |
| { \ |
| *outptr++ = consonant_with_u[last - 0xb8]; \ |
| *statep = 0; \ |
| inptr += 4; \ |
| continue; \ |
| } \ |
| if (ch == 0x0BC2) \ |
| { \ |
| *outptr++ = consonant_with_uu[last - 0xb8]; \ |
| *statep = 0; \ |
| inptr += 4; \ |
| continue; \ |
| } \ |
| if (ch == 0x0BC6) \ |
| { \ |
| if (__builtin_expect (outptr + 2 <= outend, 1)) \ |
| { \ |
| *outptr++ = 0xa6; \ |
| *outptr++ = last; \ |
| *statep = 0; \ |
| inptr += 4; \ |
| continue; \ |
| } \ |
| else \ |
| { \ |
| result = __GCONV_FULL_OUTPUT; \ |
| break; \ |
| } \ |
| } \ |
| if (ch == 0x0BC7) \ |
| { \ |
| if (__builtin_expect (outptr + 2 <= outend, 1)) \ |
| { \ |
| *outptr++ = 0xa7; \ |
| *outptr++ = last; \ |
| *statep = 0; \ |
| inptr += 4; \ |
| continue; \ |
| } \ |
| else \ |
| { \ |
| result = __GCONV_FULL_OUTPUT; \ |
| break; \ |
| } \ |
| } \ |
| if (ch == 0x0BC8) \ |
| { \ |
| if (__builtin_expect (outptr + 2 <= outend, 1)) \ |
| { \ |
| *outptr++ = 0xa8; \ |
| *outptr++ = last; \ |
| *statep = 0; \ |
| inptr += 4; \ |
| continue; \ |
| } \ |
| else \ |
| { \ |
| result = __GCONV_FULL_OUTPUT; \ |
| break; \ |
| } \ |
| } \ |
| if (ch == 0x0BCA) \ |
| { \ |
| if (__builtin_expect (outptr + 3 <= outend, 1)) \ |
| { \ |
| *outptr++ = 0xa6; \ |
| *outptr++ = last; \ |
| *outptr++ = 0xa1; \ |
| *statep = 0; \ |
| inptr += 4; \ |
| continue; \ |
| } \ |
| else \ |
| { \ |
| result = __GCONV_FULL_OUTPUT; \ |
| break; \ |
| } \ |
| } \ |
| if (ch == 0x0BCB) \ |
| { \ |
| if (__builtin_expect (outptr + 3 <= outend, 1)) \ |
| { \ |
| *outptr++ = 0xa7; \ |
| *outptr++ = last; \ |
| *outptr++ = 0xa1; \ |
| *statep = 0; \ |
| inptr += 4; \ |
| continue; \ |
| } \ |
| else \ |
| { \ |
| result = __GCONV_FULL_OUTPUT; \ |
| break; \ |
| } \ |
| } \ |
| if (ch == 0x0BCC) \ |
| { \ |
| if (__builtin_expect (outptr + 3 <= outend, 1)) \ |
| { \ |
| *outptr++ = 0xa7; \ |
| *outptr++ = last; \ |
| *outptr++ = 0xaa; \ |
| *statep = 0; \ |
| inptr += 4; \ |
| continue; \ |
| } \ |
| else \ |
| { \ |
| result = __GCONV_FULL_OUTPUT; \ |
| break; \ |
| } \ |
| } \ |
| if (ch == 0x0BCD) \ |
| { \ |
| if (last != 0xb8) \ |
| { \ |
| *outptr++ = consonant_with_virama[last - 0xb8]; \ |
| *statep = 0; \ |
| } \ |
| else \ |
| *statep = 0xec << 3; \ |
| inptr += 4; \ |
| continue; \ |
| } \ |
| if (last == 0xbc && (ch == 0x0BBF || ch == 0x0BC0)) \ |
| { \ |
| *outptr++ = ch - 0x0af5; \ |
| *statep = 0; \ |
| inptr += 4; \ |
| continue; \ |
| } \ |
| } \ |
| else if (last >= 0x83 && last <= 0x86) \ |
| { \ |
| if (last >= 0x85 && (ch == 0x0BC1 || ch == 0x0BC2)) \ |
| { \ |
| *outptr++ = last + 5; \ |
| *statep = 0; \ |
| continue; \ |
| } \ |
| if (ch == 0x0BCD) \ |
| { \ |
| if (last != 0x85) \ |
| { \ |
| *outptr++ = last + 5; \ |
| *statep = 0; \ |
| } \ |
| else \ |
| *statep = 0x8a << 3; \ |
| inptr += 4; \ |
| continue; \ |
| } \ |
| } \ |
| else if (last == 0xec) \ |
| { \ |
| if (ch == 0x0BB7) \ |
| { \ |
| *statep = 0x87 << 3; \ |
| inptr += 4; \ |
| continue; \ |
| } \ |
| } \ |
| else if (last == 0x8a) \ |
| { \ |
| if (ch == 0x0BB0) \ |
| { \ |
| *statep = 0xc38a << 3; \ |
| inptr += 4; \ |
| continue; \ |
| } \ |
| } \ |
| else if (last == 0x87) \ |
| { \ |
| if (ch == 0x0BCD) \ |
| { \ |
| *outptr++ = 0x8c; \ |
| *statep = 0; \ |
| inptr += 4; \ |
| continue; \ |
| } \ |
| } \ |
| else \ |
| { \ |
| assert (last == 0xc38a); \ |
| if (ch == 0x0BC0) \ |
| { \ |
| *outptr++ = 0x82; \ |
| *statep = 0; \ |
| inptr += 4; \ |
| continue; \ |
| } \ |
| } \ |
| \ |
| /* Output the buffered character. */ \ |
| if (__builtin_expect (last >> 8, 0)) \ |
| { \ |
| if (__builtin_expect (outptr + 2 <= outend, 1)) \ |
| { \ |
| *outptr++ = last & 0xff; \ |
| *outptr++ = (last >> 8) & 0xff; \ |
| } \ |
| else \ |
| { \ |
| result = __GCONV_FULL_OUTPUT; \ |
| break; \ |
| } \ |
| } \ |
| else \ |
| *outptr++ = last & 0xff; \ |
| *statep = 0; \ |
| continue; \ |
| } \ |
| \ |
| if (ch < 0x80) \ |
| /* Plain ASCII character. */ \ |
| *outptr++ = ch; \ |
| else if (ch >= 0x0B80 && ch <= 0x0BFF) \ |
| { \ |
| /* Tamil character. */ \ |
| uint8_t t = ucs4_to_tscii[ch - 0x0B80]; \ |
| \ |
| if (t != 0) \ |
| { \ |
| if ((t >= 0xb8 && t <= 0xc9) || (t >= 0x83 && t <= 0x86)) \ |
| *statep = (uint32_t) t << 3; \ |
| else \ |
| *outptr++ = t; \ |
| } \ |
| else if (ch >= 0x0BCA && ch <= 0x0BCC) \ |
| { \ |
| /* See whether we have room for two bytes. */ \ |
| if (__builtin_expect (outptr + 2 <= outend, 1)) \ |
| { \ |
| *outptr++ = (ch == 0x0BCA ? 0xa6 : 0xa7); \ |
| *outptr++ = (ch != 0x0BCC ? 0xa1 : 0xaa); \ |
| } \ |
| else \ |
| { \ |
| result = __GCONV_FULL_OUTPUT; \ |
| break; \ |
| } \ |
| } \ |
| else \ |
| { \ |
| /* Illegal character. */ \ |
| STANDARD_TO_LOOP_ERR_HANDLER (4); \ |
| } \ |
| } \ |
| else if (ch == 0x00A9) \ |
| *outptr++ = ch; \ |
| else if (ch == 0x2018 || ch == 0x2019) \ |
| *outptr++ = ch - 0x1f87; \ |
| else if (ch == 0x201C || ch == 0x201D) \ |
| *outptr++ = ch - 0x1f89; \ |
| else \ |
| { \ |
| UNICODE_TAG_HANDLER (ch, 4); \ |
| \ |
| /* Illegal character. */ \ |
| STANDARD_TO_LOOP_ERR_HANDLER (4); \ |
| } \ |
| \ |
| /* Now that we wrote the output increment the input pointer. */ \ |
| inptr += 4; \ |
| } |
| #define LOOP_NEED_FLAGS |
| #define EXTRA_LOOP_DECLS , int *statep |
| #include <iconv/loop.c> |
| |
| |
| /* Now define the toplevel functions. */ |
| #include <iconv/skeleton.c> |
