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-rw-r--r--utils/utf8proc.c594
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;
-}
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-24 10:30:33 +0000