853 lines
28 KiB
C
853 lines
28 KiB
C
/* Conversion from and to TSCII.
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Copyright (C) 2002, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Bruno Haible <bruno@clisp.org>, 2002.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <dlfcn.h>
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#include <stdint.h>
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#include <gconv.h>
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#include <assert.h>
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/* TSCII is an 8-bit encoding consisting of:
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0x00..0x7F: ASCII
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0x80..0x90, 0x95..0x9F, 0xAB..0xFE:
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Tamil letters and glyphs
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0xA1..0xA5, 0xAA: Tamil combining letters (after the base character)
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0xA6..0xA8: Tamil combining letters (before the base character)
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0x91..0x94: Punctuation
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0xA9: Symbols
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*/
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/* Definitions used in the body of the `gconv' function. */
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#define CHARSET_NAME "TSCII//"
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#define FROM_LOOP from_tscii
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#define TO_LOOP to_tscii
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#define DEFINE_INIT 1
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#define DEFINE_FINI 1
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#define FROM_LOOP_MIN_NEEDED_FROM 1
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#define FROM_LOOP_MAX_NEEDED_FROM 2
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#define FROM_LOOP_MIN_NEEDED_TO 4
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#define FROM_LOOP_MAX_NEEDED_TO 16
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#define TO_LOOP_MIN_NEEDED_FROM 4
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#define TO_LOOP_MAX_NEEDED_FROM 4
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#define TO_LOOP_MIN_NEEDED_TO 1
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#define TO_LOOP_MAX_NEEDED_TO 3
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#define PREPARE_LOOP \
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int saved_state; \
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int *statep = &data->__statep->__count;
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#define EXTRA_LOOP_ARGS , statep
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/* Since we might have to reset input pointer we must be able to save
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and restore the state. */
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#define SAVE_RESET_STATE(Save) \
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if (Save) \
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saved_state = *statep; \
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else \
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*statep = saved_state
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/* During TSCII to UCS-4 conversion, the COUNT element of the state contains
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the last UCS-4 character to be output, shifted by 8 bits, and an encoded
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representation of additional UCS-4 characters to be output (if any),
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shifted by 4 bits. This character can be:
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0x0000 Nothing pending.
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0x0BCD Pending VIRAMA sign. If bit 3 is set, it may be
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omitted if followed by a vowel sign U or UU.
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0x0BC6, 0x0BC7, 0x0BC8 Pending vowel sign. Bit 3 is set after the
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consonant was seen.
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Other Bit 3 always cleared. */
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/* During UCS-4 to TSCII conversion, the COUNT element of the state contains
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the last byte (or sometimes the last two bytes) to be output, shifted by
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3 bits. This can be:
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0x00 Nothing pending.
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0xB8..0xC9, 0x83..0x86 A consonant.
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0xEC, 0x8A A consonant with VIRAMA sign (final or joining).
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0x87, 0xC38A Two consonants combined through a VIRAMA sign. */
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/* Since this is a stateful encoding we have to provide code which resets
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the output state to the initial state. This has to be done during the
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flushing. */
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#define EMIT_SHIFT_TO_INIT \
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if (data->__statep->__count != 0) \
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{ \
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if (FROM_DIRECTION) \
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{ \
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do \
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{ \
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if (__builtin_expect (outbuf + 4 > outend, 0)) \
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{ \
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/* We don't have enough room in the output buffer. */ \
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status = __GCONV_FULL_OUTPUT; \
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break; \
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} \
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/* Write out the pending character. */ \
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*((uint32_t *) outbuf) = data->__statep->__count >> 8; \
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outbuf += sizeof (uint32_t); \
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/* Retrieve the successor state. */ \
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data->__statep->__count = \
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tscii_next_state[(data->__statep->__count >> 4) & 0x0f]; \
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} \
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while (data->__statep->__count != 0); \
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} \
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else \
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{ \
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uint32_t last = data->__statep->__count >> 3; \
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if (__builtin_expect (last >> 8, 0)) \
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{ \
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/* Write out the last character, two bytes. */ \
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if (__builtin_expect (outbuf + 2 <= outend, 1)) \
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{ \
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*outbuf++ = last & 0xff; \
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*outbuf++ = (last >> 8) & 0xff; \
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data->__statep->__count = 0; \
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} \
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else \
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/* We don't have enough room in the output buffer. */ \
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status = __GCONV_FULL_OUTPUT; \
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} \
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else \
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{ \
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/* Write out the last character, a single byte. */ \
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if (__builtin_expect (outbuf < outend, 1)) \
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{ \
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*outbuf++ = last & 0xff; \
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data->__statep->__count = 0; \
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} \
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else \
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/* We don't have enough room in the output buffer. */ \
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status = __GCONV_FULL_OUTPUT; \
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} \
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} \
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}
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/* First define the conversion function from TSCII to UCS-4. */
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static const uint16_t tscii_to_ucs4[128][2] =
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{
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{ 0x0BE6, 0 },
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{ 0x0BE7, 0 },
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{ 0, 0 }, /* 0x82 - maps to <U0BB8><U0BCD><U0BB0><U0BC0> */
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{ 0x0B9C, 0 },
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{ 0x0BB7, 0 },
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{ 0x0BB8, 0 },
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{ 0x0BB9, 0 },
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{ 0, 0 }, /* 0x87 - maps to <U0B95><U0BCD><U0BB7> */
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{ 0x0B9C, 0x0BCD },
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{ 0x0BB7, 0x0BCD },
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{ 0, 0 }, /* 0x8a - maps to <U0BB8> and buffers <U0BCD> */
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{ 0, 0 }, /* 0x8b - maps to <U0BB9> and buffers <U0BCD> */
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{ 0, 0 }, /* 0x8c - maps to <U0B95><U0BCD><U0BB7><U0BCD> */
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{ 0x0BE8, 0 },
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{ 0x0BE9, 0 },
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{ 0x0BEA, 0 },
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{ 0x0BEB, 0 },
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{ 0x2018, 0 },
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{ 0x2019, 0 },
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{ 0x201C, 0 },
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{ 0x201D, 0 },
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{ 0x0BEC, 0 },
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{ 0x0BED, 0 },
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{ 0x0BEE, 0 },
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{ 0x0BEF, 0 },
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{ 0x0B99, 0x0BC1 },
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{ 0x0B9E, 0x0BC1 },
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{ 0x0B99, 0x0BC2 },
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{ 0x0B9E, 0x0BC2 },
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{ 0x0BF0, 0 },
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{ 0x0BF1, 0 },
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{ 0x0BF2, 0 },
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{ 0, 0 }, /* 0xa0 - unmapped */
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{ 0x0BBE, 0 },
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{ 0x0BBF, 0 },
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{ 0x0BC0, 0 },
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{ 0x0BC1, 0 },
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{ 0x0BC2, 0 },
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{ 0, 0 }, /* 0xa6 - buffers <U0BC6> */
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{ 0, 0 }, /* 0xa7 - buffers <U0BC7> */
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{ 0, 0 }, /* 0xa8 - buffers <U0BC8> */
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{ 0x00A9, 0 },
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{ 0x0BD7, 0 },
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{ 0x0B85, 0 },
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{ 0x0B86, 0 },
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{ 0x0B87, 0 },
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{ 0x0B88, 0 },
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{ 0x0B89, 0 },
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{ 0x0B8A, 0 },
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{ 0x0B8E, 0 },
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{ 0x0B8F, 0 },
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{ 0x0B90, 0 },
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{ 0x0B92, 0 },
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{ 0x0B93, 0 },
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{ 0x0B94, 0 },
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{ 0x0B83, 0 },
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{ 0x0B95, 0 },
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{ 0x0B99, 0 },
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{ 0x0B9A, 0 },
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{ 0x0B9E, 0 },
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{ 0x0B9F, 0 },
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{ 0x0BA3, 0 },
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{ 0x0BA4, 0 },
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{ 0x0BA8, 0 },
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{ 0x0BAA, 0 },
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{ 0x0BAE, 0 },
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{ 0x0BAF, 0 },
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{ 0x0BB0, 0 },
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{ 0x0BB2, 0 },
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{ 0x0BB5, 0 },
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{ 0x0BB4, 0 },
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{ 0x0BB3, 0 },
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{ 0x0BB1, 0 },
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{ 0x0BA9, 0 },
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{ 0x0B9F, 0x0BBF },
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{ 0x0B9F, 0x0BC0 },
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{ 0x0B95, 0x0BC1 },
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{ 0x0B9A, 0x0BC1 },
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{ 0x0B9F, 0x0BC1 },
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{ 0x0BA3, 0x0BC1 },
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{ 0x0BA4, 0x0BC1 },
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{ 0x0BA8, 0x0BC1 },
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{ 0x0BAA, 0x0BC1 },
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{ 0x0BAE, 0x0BC1 },
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{ 0x0BAF, 0x0BC1 },
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{ 0x0BB0, 0x0BC1 },
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{ 0x0BB2, 0x0BC1 },
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{ 0x0BB5, 0x0BC1 },
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{ 0x0BB4, 0x0BC1 },
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{ 0x0BB3, 0x0BC1 },
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{ 0x0BB1, 0x0BC1 },
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{ 0x0BA9, 0x0BC1 },
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{ 0x0B95, 0x0BC2 },
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{ 0x0B9A, 0x0BC2 },
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{ 0x0B9F, 0x0BC2 },
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{ 0x0BA3, 0x0BC2 },
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{ 0x0BA4, 0x0BC2 },
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{ 0x0BA8, 0x0BC2 },
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{ 0x0BAA, 0x0BC2 },
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{ 0x0BAE, 0x0BC2 },
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{ 0x0BAF, 0x0BC2 },
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{ 0x0BB0, 0x0BC2 },
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{ 0x0BB2, 0x0BC2 },
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{ 0x0BB5, 0x0BC2 },
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{ 0x0BB4, 0x0BC2 },
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{ 0x0BB3, 0x0BC2 },
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{ 0x0BB1, 0x0BC2 },
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{ 0x0BA9, 0x0BC2 },
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{ 0x0B95, 0x0BCD },
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{ 0x0B99, 0x0BCD },
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{ 0x0B9A, 0x0BCD },
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{ 0x0B9E, 0x0BCD },
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{ 0x0B9F, 0x0BCD },
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{ 0x0BA3, 0x0BCD },
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{ 0x0BA4, 0x0BCD },
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{ 0x0BA8, 0x0BCD },
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{ 0x0BAA, 0x0BCD },
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{ 0x0BAE, 0x0BCD },
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{ 0x0BAF, 0x0BCD },
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{ 0x0BB0, 0x0BCD },
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{ 0x0BB2, 0x0BCD },
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{ 0x0BB5, 0x0BCD },
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{ 0x0BB4, 0x0BCD },
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{ 0x0BB3, 0x0BCD },
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{ 0x0BB1, 0x0BCD },
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{ 0x0BA9, 0x0BCD },
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{ 0x0B87, 0 },
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{ 0, 0 } /* 0xff - unmapped */
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};
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static const uint32_t tscii_next_state[6] =
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{
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/* 0 means no more pending Unicode characters. */
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0,
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/* 1 means <U0BB7>. */
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(0x0BB7 << 8),
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/* 2 means <U0BC0>. */
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(0x0BC0 << 8),
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/* 3 means <U0BCD>. */
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(0x0BCD << 8),
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/* 4 means <U0BB0><U0BC0>. */
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(0x0BB0 << 8) + (2 << 4),
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/* 5 means <U0BB7><U0BCD>. */
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(0x0BB7 << 8) + (3 << 4)
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};
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#define MIN_NEEDED_INPUT FROM_LOOP_MIN_NEEDED_FROM
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#define MAX_NEEDED_INPUT FROM_LOOP_MAX_NEEDED_FROM
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#define MIN_NEEDED_OUTPUT FROM_LOOP_MIN_NEEDED_TO
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#define MAX_NEEDED_OUTPUT FROM_LOOP_MAX_NEEDED_TO
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#define LOOPFCT FROM_LOOP
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#define BODY \
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{ \
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uint32_t ch = *inptr; \
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\
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if ((*statep >> 8) != 0) \
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{ \
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/* Attempt to combine the last character with this one. */ \
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uint32_t last = *statep >> 8; \
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\
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if (last == 0x0BCD && (*statep & (1 << 3))) \
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{ \
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if (ch == 0xa4 || ch == 0xa5) \
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{ \
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ch += 0xb1d; \
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/* Now ch = 0x0BC1 or ch = 0x0BC2. */ \
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put32 (outptr, ch); \
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outptr += 4; \
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*statep = 0; \
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inptr++; \
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continue; \
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} \
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} \
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else if (last >= 0x0BC6 && last <= 0x0BC8) \
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{ \
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if ((last == 0x0BC6 && ch == 0xa1) \
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|| (last == 0x0BC7 && (ch == 0xa1 || ch == 0xaa))) \
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{ \
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ch = last + 4 + (ch != 0xa1); \
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/* Now ch = 0x0BCA or ch = 0x0BCB or ch = 0x0BCC. */ \
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put32 (outptr, ch); \
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outptr += 4; \
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*statep = 0; \
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inptr++; \
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continue; \
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} \
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if ((ch >= 0xb8 && ch <= 0xc9) && (*statep & (1 << 3)) == 0) \
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{ \
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ch = tscii_to_ucs4[ch - 0x80][0]; \
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put32 (outptr, ch); \
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outptr += 4; \
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*statep |= 1 << 3; \
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inptr++; \
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continue; \
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} \
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} \
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\
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do \
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{ \
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/* Output the buffered character. */ \
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put32 (outptr, last); \
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outptr += 4; \
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/* Retrieve the successor state. */ \
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*statep = tscii_next_state[(*statep >> 4) & 0x0f]; \
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} \
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while (*statep != 0 && __builtin_expect (outptr + 4 <= outend, 1)); \
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\
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if (*statep != 0) \
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{ \
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/* We don't have enough room in the output buffer. \
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Tell the caller why we terminate the loop. */ \
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result = __GCONV_FULL_OUTPUT; \
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break; \
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} \
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\
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continue; \
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} \
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\
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if (ch < 0x80) \
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{ \
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/* Plain ASCII character. */ \
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put32 (outptr, ch); \
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outptr += 4; \
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} \
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else \
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{ \
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/* Tamil character. */ \
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uint32_t u1 = tscii_to_ucs4[ch - 0x80][0]; \
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\
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if (u1 != 0) \
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{ \
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uint32_t u2 = tscii_to_ucs4[ch - 0x80][1]; \
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\
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inptr++; \
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\
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put32 (outptr, u1); \
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outptr += 4; \
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\
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if (u2 != 0) \
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{ \
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/* See whether we have room for two characters. Otherwise \
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store only the first character now, and put the second \
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one into the queue. */ \
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if (__builtin_expect (outptr + 4 > outend, 0)) \
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{ \
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*statep = u2 << 8; \
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result = __GCONV_FULL_OUTPUT; \
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break; \
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} \
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put32 (outptr, u2); \
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outptr += 4; \
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} \
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continue; \
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} \
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/* Special handling of a few Tamil characters. */ \
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else if (ch == 0xa6 || ch == 0xa7 || ch == 0xa8) \
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{ \
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ch += 0x0b20; \
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/* Now ch = 0x0BC6 or ch = 0x0BC7 or ch = 0x0BC8. */ \
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*statep = ch << 8; \
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inptr++; \
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continue; \
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} \
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else if (ch == 0x8a || ch == 0x8b) \
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{ \
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ch += 0x0b2e; \
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/* Now ch = 0x0BB8 or ch = 0x0BB9. */ \
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put32 (outptr, ch); \
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outptr += 4; \
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*statep = (0x0BCD << 8) + (1 << 3); \
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inptr++; \
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continue; \
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} \
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else if (ch == 0x82) \
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{ \
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/* Output <U0BB8><U0BCD><U0BB0><U0BC0>, if we have room for \
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four characters. */ \
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inptr++; \
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put32 (outptr, 0x0BB8); \
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outptr += 4; \
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if (__builtin_expect (outptr + 4 > outend, 0)) \
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{ \
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*statep = (0x0BCD << 8) + (4 << 4); \
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result = __GCONV_FULL_OUTPUT; \
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break; \
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} \
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put32 (outptr, 0x0BCD); \
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outptr += 4; \
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if (__builtin_expect (outptr + 4 > outend, 0)) \
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{ \
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*statep = (0x0BB0 << 8) + (2 << 4); \
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result = __GCONV_FULL_OUTPUT; \
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break; \
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} \
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put32 (outptr, 0x0BB0); \
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outptr += 4; \
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if (__builtin_expect (outptr + 4 > outend, 0)) \
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{ \
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*statep = (0x0BC0 << 8); \
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result = __GCONV_FULL_OUTPUT; \
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break; \
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} \
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put32 (outptr, 0x0BC0); \
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outptr += 4; \
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continue; \
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} \
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else if (ch == 0x87) \
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{ \
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/* Output <U0B95><U0BCD><U0BB7>, if we have room for \
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three characters. */ \
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inptr++; \
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put32 (outptr, 0x0B95); \
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outptr += 4; \
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if (__builtin_expect (outptr + 4 > outend, 0)) \
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{ \
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*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>
|