f919b3ad81
Remove "kmscon" from any TSM headers and replace it by "tsm". Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
89 lines
2.8 KiB
C
89 lines
2.8 KiB
C
/*
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* TSM - Unicode Handling
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*
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* Copyright (c) 2011-2012 David Herrmann <dh.herrmann@googlemail.com>
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* Copyright (c) 2011 University of Tuebingen
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* Unicode Helpers
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* This file provides small helpers to make working with Unicode/UTF8/UCS4 input
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* and output much easier.
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*/
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#ifndef KMSCON_UNICODE_H
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#define KMSCON_UNICODE_H
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#include <inttypes.h>
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#include <stdlib.h>
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/* UCS4 helpers */
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#define TSM_UCS4_MAX (0x7fffffffUL)
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#define TSM_UCS4_INVALID (TSM_UCS4_MAX + 1)
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#define TSM_UCS4_REPLACEMENT (0xfffdUL)
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#define TSM_UCS4_MAXLEN 10
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/* symbols */
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struct tsm_symbol_table;
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typedef uint32_t tsm_symbol_t;
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extern const tsm_symbol_t tsm_symbol_default;
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int tsm_symbol_table_new(struct tsm_symbol_table **out);
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void tsm_symbol_table_ref(struct tsm_symbol_table *tbl);
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void tsm_symbol_table_unref(struct tsm_symbol_table *tbl);
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tsm_symbol_t tsm_symbol_make(uint32_t ucs4);
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tsm_symbol_t tsm_symbol_append(struct tsm_symbol_table *tbl,
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tsm_symbol_t sym, uint32_t ucs4);
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const uint32_t *tsm_symbol_get(struct tsm_symbol_table *tbl,
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tsm_symbol_t *sym, size_t *size);
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/* ucs4 to utf8 converter */
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size_t tsm_ucs4_to_utf8(uint32_t ucs4, char *out);
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char *tsm_ucs4_to_utf8_alloc(const uint32_t *ucs4, size_t len, size_t *len_out);
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/* utf8 state machine */
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struct tsm_utf8_mach;
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enum tsm_utf8_mach_state {
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TSM_UTF8_START,
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TSM_UTF8_ACCEPT,
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TSM_UTF8_REJECT,
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TSM_UTF8_EXPECT1,
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TSM_UTF8_EXPECT2,
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TSM_UTF8_EXPECT3,
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};
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int tsm_utf8_mach_new(struct tsm_utf8_mach **out);
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void tsm_utf8_mach_free(struct tsm_utf8_mach *mach);
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int tsm_utf8_mach_feed(struct tsm_utf8_mach *mach, char c);
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uint32_t tsm_utf8_mach_get(struct tsm_utf8_mach *mach);
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void tsm_utf8_mach_reset(struct tsm_utf8_mach *mach);
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#endif /* KMSCON_UNICODE_H */
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