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Diffstat (limited to 'utils/utf8proc.c')
-rw-r--r-- | utils/utf8proc.c | 594 |
1 files changed, 0 insertions, 594 deletions
diff --git a/utils/utf8proc.c b/utils/utf8proc.c deleted file mode 100644 index 3e0b25f58..000000000 --- a/utils/utf8proc.c +++ /dev/null @@ -1,594 +0,0 @@ -/* - * Copyright (c) 2009 Public Software Group e. V., Berlin, Germany - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ - -/* - * This library contains derived data from a modified version of the - * Unicode data files. - * - * The original data files are available at - * http://www.unicode.org/Public/UNIDATA/ - * - * Please notice the copyright statement in the file "utf8proc_data.c". - */ - - -/* - * File name: utf8proc.c - * - * Description: - * Implementation of libutf8proc. - */ - - -#include "utf8proc.h" -#include "utf8proc_data.c" - - -const int8_t utf8proc_utf8class[256] = { - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0, 0, 0, 0 }; - -#define UTF8PROC_HANGUL_SBASE 0xAC00 -#define UTF8PROC_HANGUL_LBASE 0x1100 -#define UTF8PROC_HANGUL_VBASE 0x1161 -#define UTF8PROC_HANGUL_TBASE 0x11A7 -#define UTF8PROC_HANGUL_LCOUNT 19 -#define UTF8PROC_HANGUL_VCOUNT 21 -#define UTF8PROC_HANGUL_TCOUNT 28 -#define UTF8PROC_HANGUL_NCOUNT 588 -#define UTF8PROC_HANGUL_SCOUNT 11172 -/* END is exclusive */ -#define UTF8PROC_HANGUL_L_START 0x1100 -#define UTF8PROC_HANGUL_L_END 0x115A -#define UTF8PROC_HANGUL_L_FILLER 0x115F -#define UTF8PROC_HANGUL_V_START 0x1160 -#define UTF8PROC_HANGUL_V_END 0x11A3 -#define UTF8PROC_HANGUL_T_START 0x11A8 -#define UTF8PROC_HANGUL_T_END 0x11FA -#define UTF8PROC_HANGUL_S_START 0xAC00 -#define UTF8PROC_HANGUL_S_END 0xD7A4 - - -#define UTF8PROC_BOUNDCLASS_START 0 -#define UTF8PROC_BOUNDCLASS_OTHER 1 -#define UTF8PROC_BOUNDCLASS_CR 2 -#define UTF8PROC_BOUNDCLASS_LF 3 -#define UTF8PROC_BOUNDCLASS_CONTROL 4 -#define UTF8PROC_BOUNDCLASS_EXTEND 5 -#define UTF8PROC_BOUNDCLASS_L 6 -#define UTF8PROC_BOUNDCLASS_V 7 -#define UTF8PROC_BOUNDCLASS_T 8 -#define UTF8PROC_BOUNDCLASS_LV 9 -#define UTF8PROC_BOUNDCLASS_LVT 10 - - -const char *utf8proc_version(void) { - return "1.1.6"; -} - -const char *utf8proc_errmsg(ssize_t errcode) { - switch (errcode) { - case UTF8PROC_ERROR_NOMEM: - return "Memory for processing UTF-8 data could not be allocated."; - case UTF8PROC_ERROR_OVERFLOW: - return "UTF-8 string is too long to be processed."; - case UTF8PROC_ERROR_INVALIDUTF8: - return "Invalid UTF-8 string"; - case UTF8PROC_ERROR_NOTASSIGNED: - return "Unassigned Unicode code point found in UTF-8 string."; - case UTF8PROC_ERROR_INVALIDOPTS: - return "Invalid options for UTF-8 processing chosen."; - default: - return "An unknown error occured while processing UTF-8 data."; - } -} - -ssize_t utf8proc_iterate( - const uint8_t *str, ssize_t strlen, int32_t *dst -) { - int length; - int i; - int32_t uc = -1; - *dst = -1; - if (!strlen) return 0; - length = utf8proc_utf8class[str[0]]; - if (!length) return UTF8PROC_ERROR_INVALIDUTF8; - if (strlen >= 0 && length > strlen) return UTF8PROC_ERROR_INVALIDUTF8; - for (i=1; i<length; i++) { - if ((str[i] & 0xC0) != 0x80) return UTF8PROC_ERROR_INVALIDUTF8; - } - switch (length) { - case 1: - uc = str[0]; - break; - case 2: - uc = ((str[0] & 0x1F) << 6) + (str[1] & 0x3F); - if (uc < 0x80) uc = -1; - break; - case 3: - uc = ((str[0] & 0x0F) << 12) + ((str[1] & 0x3F) << 6) - + (str[2] & 0x3F); - if (uc < 0x800 || (uc >= 0xD800 && uc < 0xE000) || - (uc >= 0xFDD0 && uc < 0xFDF0)) uc = -1; - break; - case 4: - uc = ((str[0] & 0x07) << 18) + ((str[1] & 0x3F) << 12) - + ((str[2] & 0x3F) << 6) + (str[3] & 0x3F); - if (uc < 0x10000 || uc >= 0x110000) uc = -1; - break; - } - if (uc < 0 || ((uc & 0xFFFF) >= 0xFFFE)) - return UTF8PROC_ERROR_INVALIDUTF8; - *dst = uc; - return length; -} - -bool utf8proc_codepoint_valid(int32_t uc) { - if (uc < 0 || uc >= 0x110000 || - ((uc & 0xFFFF) >= 0xFFFE) || (uc >= 0xD800 && uc < 0xE000) || - (uc >= 0xFDD0 && uc < 0xFDF0)) return false; - else return true; -} - -ssize_t utf8proc_encode_char(int32_t uc, uint8_t *dst) { - if (uc < 0x00) { - return 0; - } else if (uc < 0x80) { - dst[0] = uc; - return 1; - } else if (uc < 0x800) { - dst[0] = 0xC0 + (uc >> 6); - dst[1] = 0x80 + (uc & 0x3F); - return 2; - } else if (uc == 0xFFFF) { - dst[0] = 0xFF; - return 1; - } else if (uc == 0xFFFE) { - dst[0] = 0xFE; - return 1; - } else if (uc < 0x10000) { - dst[0] = 0xE0 + (uc >> 12); - dst[1] = 0x80 + ((uc >> 6) & 0x3F); - dst[2] = 0x80 + (uc & 0x3F); - return 3; - } else if (uc < 0x110000) { - dst[0] = 0xF0 + (uc >> 18); - dst[1] = 0x80 + ((uc >> 12) & 0x3F); - dst[2] = 0x80 + ((uc >> 6) & 0x3F); - dst[3] = 0x80 + (uc & 0x3F); - return 4; - } else return 0; -} - -const utf8proc_property_t *utf8proc_get_property(int32_t uc) { - /* ASSERT: uc >= 0 && uc < 0x110000 */ - return utf8proc_properties + ( - utf8proc_stage2table[ - utf8proc_stage1table[uc >> 8] + (uc & 0xFF) - ] - ); -} - -#define utf8proc_decompose_lump(replacement_uc) \ - return utf8proc_decompose_char((replacement_uc), dst, bufsize, \ - options & ~UTF8PROC_LUMP, last_boundclass) - -ssize_t utf8proc_decompose_char(int32_t uc, int32_t *dst, ssize_t bufsize, - int options, int *last_boundclass) { - /* ASSERT: uc >= 0 && uc < 0x110000 */ - const utf8proc_property_t *property; - utf8proc_propval_t category; - int32_t hangul_sindex; - property = utf8proc_get_property(uc); - category = property->category; - hangul_sindex = uc - UTF8PROC_HANGUL_SBASE; - if (options & (UTF8PROC_COMPOSE|UTF8PROC_DECOMPOSE)) { - if (hangul_sindex >= 0 && hangul_sindex < UTF8PROC_HANGUL_SCOUNT) { - int32_t hangul_tindex; - if (bufsize >= 1) { - dst[0] = UTF8PROC_HANGUL_LBASE + - hangul_sindex / UTF8PROC_HANGUL_NCOUNT; - if (bufsize >= 2) dst[1] = UTF8PROC_HANGUL_VBASE + - (hangul_sindex % UTF8PROC_HANGUL_NCOUNT) / UTF8PROC_HANGUL_TCOUNT; - } - hangul_tindex = hangul_sindex % UTF8PROC_HANGUL_TCOUNT; - if (!hangul_tindex) return 2; - if (bufsize >= 3) dst[2] = UTF8PROC_HANGUL_TBASE + hangul_tindex; - return 3; - } - } - if (options & UTF8PROC_REJECTNA) { - if (!category) return UTF8PROC_ERROR_NOTASSIGNED; - } - if (options & UTF8PROC_IGNORE) { - if (property->ignorable) return 0; - } - if (options & UTF8PROC_LUMP) { - if (category == UTF8PROC_CATEGORY_ZS) utf8proc_decompose_lump(0x0020); - if (uc == 0x2018 || uc == 0x2019 || uc == 0x02BC || uc == 0x02C8) - utf8proc_decompose_lump(0x0027); - if (category == UTF8PROC_CATEGORY_PD || uc == 0x2212) - utf8proc_decompose_lump(0x002D); - if (uc == 0x2044 || uc == 0x2215) utf8proc_decompose_lump(0x002F); - if (uc == 0x2236) utf8proc_decompose_lump(0x003A); - if (uc == 0x2039 || uc == 0x2329 || uc == 0x3008) - utf8proc_decompose_lump(0x003C); - if (uc == 0x203A || uc == 0x232A || uc == 0x3009) - utf8proc_decompose_lump(0x003E); - if (uc == 0x2216) utf8proc_decompose_lump(0x005C); - if (uc == 0x02C4 || uc == 0x02C6 || uc == 0x2038 || uc == 0x2303) - utf8proc_decompose_lump(0x005E); - if (category == UTF8PROC_CATEGORY_PC || uc == 0x02CD) - utf8proc_decompose_lump(0x005F); - if (uc == 0x02CB) utf8proc_decompose_lump(0x0060); - if (uc == 0x2223) utf8proc_decompose_lump(0x007C); - if (uc == 0x223C) utf8proc_decompose_lump(0x007E); - if ((options & UTF8PROC_NLF2LS) && (options & UTF8PROC_NLF2PS)) { - if (category == UTF8PROC_CATEGORY_ZL || - category == UTF8PROC_CATEGORY_ZP) - utf8proc_decompose_lump(0x000A); - } - } - if (options & UTF8PROC_STRIPMARK) { - if (category == UTF8PROC_CATEGORY_MN || - category == UTF8PROC_CATEGORY_MC || - category == UTF8PROC_CATEGORY_ME) return 0; - } - if (options & UTF8PROC_CASEFOLD) { - if (property->casefold_mapping) { - const int32_t *casefold_entry; - ssize_t written = 0; - for (casefold_entry = property->casefold_mapping; - *casefold_entry >= 0; casefold_entry++) { - written += utf8proc_decompose_char(*casefold_entry, dst+written, - (bufsize > written) ? (bufsize - written) : 0, options, - last_boundclass); - if (written < 0) return UTF8PROC_ERROR_OVERFLOW; - } - return written; - } - } - if (options & (UTF8PROC_COMPOSE|UTF8PROC_DECOMPOSE)) { - if (property->decomp_mapping && - (!property->decomp_type || (options & UTF8PROC_COMPAT))) { - const int32_t *decomp_entry; - ssize_t written = 0; - for (decomp_entry = property->decomp_mapping; - *decomp_entry >= 0; decomp_entry++) { - written += utf8proc_decompose_char(*decomp_entry, dst+written, - (bufsize > written) ? (bufsize - written) : 0, options, - last_boundclass); - if (written < 0) return UTF8PROC_ERROR_OVERFLOW; - } - return written; - } - } - if (options & UTF8PROC_CHARBOUND) { - bool boundary; - int tbc, lbc; - tbc = - (uc == 0x000D) ? UTF8PROC_BOUNDCLASS_CR : - (uc == 0x000A) ? UTF8PROC_BOUNDCLASS_LF : - ((category == UTF8PROC_CATEGORY_ZL || - category == UTF8PROC_CATEGORY_ZP || - category == UTF8PROC_CATEGORY_CC || - category == UTF8PROC_CATEGORY_CF) && - !(uc == 0x200C || uc == 0x200D)) ? UTF8PROC_BOUNDCLASS_CONTROL : - property->extend ? UTF8PROC_BOUNDCLASS_EXTEND : - ((uc >= UTF8PROC_HANGUL_L_START && uc < UTF8PROC_HANGUL_L_END) || - uc == UTF8PROC_HANGUL_L_FILLER) ? UTF8PROC_BOUNDCLASS_L : - (uc >= UTF8PROC_HANGUL_V_START && uc < UTF8PROC_HANGUL_V_END) ? - UTF8PROC_BOUNDCLASS_V : - (uc >= UTF8PROC_HANGUL_T_START && uc < UTF8PROC_HANGUL_T_END) ? - UTF8PROC_BOUNDCLASS_T : - (uc >= UTF8PROC_HANGUL_S_START && uc < UTF8PROC_HANGUL_S_END) ? ( - ((uc-UTF8PROC_HANGUL_SBASE) % UTF8PROC_HANGUL_TCOUNT == 0) ? - UTF8PROC_BOUNDCLASS_LV : UTF8PROC_BOUNDCLASS_LVT - ) : - UTF8PROC_BOUNDCLASS_OTHER; - lbc = *last_boundclass; - boundary = - (tbc == UTF8PROC_BOUNDCLASS_EXTEND) ? false : - (lbc == UTF8PROC_BOUNDCLASS_START) ? true : - (lbc == UTF8PROC_BOUNDCLASS_CR && - tbc == UTF8PROC_BOUNDCLASS_LF) ? false : - (lbc == UTF8PROC_BOUNDCLASS_CONTROL) ? true : - (tbc == UTF8PROC_BOUNDCLASS_CONTROL) ? true : - (lbc == UTF8PROC_BOUNDCLASS_L && - (tbc == UTF8PROC_BOUNDCLASS_L || - tbc == UTF8PROC_BOUNDCLASS_V || - tbc == UTF8PROC_BOUNDCLASS_LV || - tbc == UTF8PROC_BOUNDCLASS_LVT)) ? false : - ((lbc == UTF8PROC_BOUNDCLASS_LV || - lbc == UTF8PROC_BOUNDCLASS_V) && - (tbc == UTF8PROC_BOUNDCLASS_V || - tbc == UTF8PROC_BOUNDCLASS_T)) ? false : - ((lbc == UTF8PROC_BOUNDCLASS_LVT || - lbc == UTF8PROC_BOUNDCLASS_T) && - tbc == UTF8PROC_BOUNDCLASS_T) ? false : - true; - *last_boundclass = tbc; - if (boundary) { - if (bufsize >= 1) dst[0] = 0xFFFF; - if (bufsize >= 2) dst[1] = uc; - return 2; - } - } - if (bufsize >= 1) *dst = uc; - return 1; -} - -ssize_t utf8proc_decompose( - const uint8_t *str, ssize_t strlen, - int32_t *buffer, ssize_t bufsize, int options -) { - /* strlen will be ignored, if UTF8PROC_NULLTERM is set in options */ - ssize_t wpos = 0; - if ((options & UTF8PROC_COMPOSE) && (options & UTF8PROC_DECOMPOSE)) - return UTF8PROC_ERROR_INVALIDOPTS; - if ((options & UTF8PROC_STRIPMARK) && - !(options & UTF8PROC_COMPOSE) && !(options & UTF8PROC_DECOMPOSE)) - return UTF8PROC_ERROR_INVALIDOPTS; - { - int32_t uc; - ssize_t rpos = 0; - ssize_t decomp_result; - int boundclass = UTF8PROC_BOUNDCLASS_START; - while (1) { - if (options & UTF8PROC_NULLTERM) { - rpos += utf8proc_iterate(str + rpos, -1, &uc); - /* checking of return value is not neccessary, - as 'uc' is < 0 in case of error */ - if (uc < 0) return UTF8PROC_ERROR_INVALIDUTF8; - if (rpos < 0) return UTF8PROC_ERROR_OVERFLOW; - if (uc == 0) break; - } else { - if (rpos >= strlen) break; - rpos += utf8proc_iterate(str + rpos, strlen - rpos, &uc); - if (uc < 0) return UTF8PROC_ERROR_INVALIDUTF8; - } - decomp_result = utf8proc_decompose_char( - uc, buffer + wpos, (bufsize > wpos) ? (bufsize - wpos) : 0, options, - &boundclass - ); - if (decomp_result < 0) return decomp_result; - wpos += decomp_result; - /* prohibiting integer overflows due to too long strings: */ - if (wpos < 0 || wpos > (ssize_t)(SSIZE_MAX/sizeof(int32_t)/2)) - return UTF8PROC_ERROR_OVERFLOW; - } - } - if ((options & (UTF8PROC_COMPOSE|UTF8PROC_DECOMPOSE)) && bufsize >= wpos) { - ssize_t pos = 0; - while (pos < wpos-1) { - int32_t uc1, uc2; - const utf8proc_property_t *property1, *property2; - uc1 = buffer[pos]; - uc2 = buffer[pos+1]; - property1 = utf8proc_get_property(uc1); - property2 = utf8proc_get_property(uc2); - if (property1->combining_class > property2->combining_class && - property2->combining_class > 0) { - buffer[pos] = uc2; - buffer[pos+1] = uc1; - if (pos > 0) pos--; else pos++; - } else { - pos++; - } - } - } - return wpos; -} - -ssize_t utf8proc_normalise(int32_t *buffer, ssize_t length, int options) { - /* UTF8PROC_NULLTERM option will be ignored, 'length' is never ignored - ASSERT: 'buffer' has one spare byte of free space at the end! */ - if (options & (UTF8PROC_NLF2LS | UTF8PROC_NLF2PS | UTF8PROC_STRIPCC)) { - ssize_t rpos; - ssize_t wpos = 0; - int32_t uc; - for (rpos = 0; rpos < length; rpos++) { - uc = buffer[rpos]; - if (uc == 0x000D && rpos < length-1 && buffer[rpos+1] == 0x000A) rpos++; - if (uc == 0x000A || uc == 0x000D || uc == 0x0085 || - ((options & UTF8PROC_STRIPCC) && (uc == 0x000B || uc == 0x000C))) { - if (options & UTF8PROC_NLF2LS) { - if (options & UTF8PROC_NLF2PS) { - buffer[wpos++] = 0x000A; - } else { - buffer[wpos++] = 0x2028; - } - } else { - if (options & UTF8PROC_NLF2PS) { - buffer[wpos++] = 0x2029; - } else { - buffer[wpos++] = 0x0020; - } - } - } else if ((options & UTF8PROC_STRIPCC) && - (uc < 0x0020 || (uc >= 0x007F && uc < 0x00A0))) { - if (uc == 0x0009) buffer[wpos++] = 0x0020; - } else { - buffer[wpos++] = uc; - } - } - length = wpos; - } - if (options & UTF8PROC_COMPOSE) { - int32_t *starter = NULL; - int32_t current_char; - const utf8proc_property_t *starter_property = NULL, *current_property; - utf8proc_propval_t max_combining_class = -1; - ssize_t rpos; - ssize_t wpos = 0; - int32_t composition; - for (rpos = 0; rpos < length; rpos++) { - current_char = buffer[rpos]; - current_property = utf8proc_get_property(current_char); - if (starter && current_property->combining_class > max_combining_class) { - /* combination perhaps possible */ - int32_t hangul_lindex; - int32_t hangul_sindex; - hangul_lindex = *starter - UTF8PROC_HANGUL_LBASE; - if (hangul_lindex >= 0 && hangul_lindex < UTF8PROC_HANGUL_LCOUNT) { - int32_t hangul_vindex; - hangul_vindex = current_char - UTF8PROC_HANGUL_VBASE; - if (hangul_vindex >= 0 && hangul_vindex < UTF8PROC_HANGUL_VCOUNT) { - *starter = UTF8PROC_HANGUL_SBASE + - (hangul_lindex * UTF8PROC_HANGUL_VCOUNT + hangul_vindex) * - UTF8PROC_HANGUL_TCOUNT; - starter_property = NULL; - continue; - } - } - hangul_sindex = *starter - UTF8PROC_HANGUL_SBASE; - if (hangul_sindex >= 0 && hangul_sindex < UTF8PROC_HANGUL_SCOUNT && - (hangul_sindex % UTF8PROC_HANGUL_TCOUNT) == 0) { - int32_t hangul_tindex; - hangul_tindex = current_char - UTF8PROC_HANGUL_TBASE; - if (hangul_tindex >= 0 && hangul_tindex < UTF8PROC_HANGUL_TCOUNT) { - *starter += hangul_tindex; - starter_property = NULL; - continue; - } - } - if (!starter_property) { - starter_property = utf8proc_get_property(*starter); - } - if (starter_property->comb1st_index >= 0 && - current_property->comb2nd_index >= 0) { - composition = utf8proc_combinations[ - starter_property->comb1st_index + - current_property->comb2nd_index - ]; - if (composition >= 0 && (!(options & UTF8PROC_STABLE) || - !(utf8proc_get_property(composition)->comp_exclusion))) { - *starter = composition; - starter_property = NULL; - continue; - } - } - } - buffer[wpos] = current_char; - if (current_property->combining_class) { - if (current_property->combining_class > max_combining_class) { - max_combining_class = current_property->combining_class; - } - } else { - starter = buffer + wpos; - starter_property = NULL; - max_combining_class = -1; - } - wpos++; - } - length = wpos; - } - return length; -} - -ssize_t utf8proc_reencode(int32_t *buffer, ssize_t length, int options) { - length = utf8proc_normalise(buffer, length, options); - if (length < 0) return length; - - { - ssize_t rpos, wpos = 0; - int32_t uc; - for (rpos = 0; rpos < length; rpos++) { - uc = buffer[rpos]; - wpos += utf8proc_encode_char(uc, ((uint8_t *)buffer) + wpos); - } - ((uint8_t *)buffer)[wpos] = 0; - return wpos; - } -} - -ssize_t utf8proc_map( - const uint8_t *str, ssize_t strlen, uint8_t **dstptr, int options -) { - int32_t *buffer; - ssize_t result; - *dstptr = NULL; - result = utf8proc_decompose(str, strlen, NULL, 0, options); - if (result < 0) return result; - buffer = malloc(result * sizeof(int32_t) + 1); - if (!buffer) return UTF8PROC_ERROR_NOMEM; - result = utf8proc_decompose(str, strlen, buffer, result, options); - if (result < 0) { - free(buffer); - return result; - } - result = utf8proc_reencode(buffer, result, options); - if (result < 0) { - free(buffer); - return result; - } - { - int32_t *newptr; - newptr = realloc(buffer, (size_t)result+1); - if (newptr) buffer = newptr; - } - *dstptr = (uint8_t *)buffer; - return result; -} - -uint8_t *utf8proc_NFD(const uint8_t *str) { - uint8_t *retval; - utf8proc_map(str, 0, &retval, UTF8PROC_NULLTERM | UTF8PROC_STABLE | - UTF8PROC_DECOMPOSE); - return retval; -} - -uint8_t *utf8proc_NFC(const uint8_t *str) { - uint8_t *retval; - utf8proc_map(str, 0, &retval, UTF8PROC_NULLTERM | UTF8PROC_STABLE | - UTF8PROC_COMPOSE); - return retval; -} - -uint8_t *utf8proc_NFKD(const uint8_t *str) { - uint8_t *retval; - utf8proc_map(str, 0, &retval, UTF8PROC_NULLTERM | UTF8PROC_STABLE | - UTF8PROC_DECOMPOSE | UTF8PROC_COMPAT); - return retval; -} - -uint8_t *utf8proc_NFKC(const uint8_t *str) { - uint8_t *retval; - utf8proc_map(str, 0, &retval, UTF8PROC_NULLTERM | UTF8PROC_STABLE | - UTF8PROC_COMPOSE | UTF8PROC_COMPAT); - return retval; -} - |