/* * Unicode utilities *  * Copyright (c) 2017-2018 Fabrice Bellard * * 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. */#ifndef LIBUNICODE_H#define LIBUNICODE_H #include <inttypes.h> #define LRE_BOOL  int       /* for documentation purposes */ /* define it to include all the unicode tables (40KB larger) */#define CONFIG_ALL_UNICODE #define LRE_CC_RES_LEN_MAX 3 typedef enum {    UNICODE_NFC,    UNICODE_NFD,    UNICODE_NFKC,    UNICODE_NFKD,} UnicodeNormalizationEnum; int lre_case_conv(uint32_t *res, uint32_t c, int conv_type);LRE_BOOL lre_is_cased(uint32_t c);LRE_BOOL lre_is_case_ignorable(uint32_t c); /* char ranges */ typedef struct {    int len; /* in points, always even */    int size;    uint32_t *points; /* points sorted by increasing value */    void *mem_opaque;    void *(*realloc_func)(void *opaque, void *ptr, size_t size);} CharRange; typedef enum {    CR_OP_UNION,    CR_OP_INTER,    CR_OP_XOR,} CharRangeOpEnum; void cr_init(CharRange *cr, void *mem_opaque, void *(*realloc_func)(void *opaque, void *ptr, size_t size));void cr_free(CharRange *cr);int cr_realloc(CharRange *cr, int size);int cr_copy(CharRange *cr, const CharRange *cr1); static inline int cr_add_point(CharRange *cr, uint32_t v){    if (cr->len >= cr->size) {        if (cr_realloc(cr, cr->len + 1))            return -1;    }    cr->points[cr->len++] = v;    return 0;} static inline int cr_add_interval(CharRange *cr, uint32_t c1, uint32_t c2){    if ((cr->len + 2) > cr->size) {        if (cr_realloc(cr, cr->len + 2))            return -1;    }    cr->points[cr->len++] = c1;    cr->points[cr->len++] = c2;    return 0;} int cr_union1(CharRange *cr, const uint32_t *b_pt, int b_len); static inline int cr_union_interval(CharRange *cr, uint32_t c1, uint32_t c2){    uint32_t b_pt[2];    b_pt[0] = c1;    b_pt[1] = c2 + 1;    return cr_union1(cr, b_pt, 2);} int cr_op(CharRange *cr, const uint32_t *a_pt, int a_len,          const uint32_t *b_pt, int b_len, int op); int cr_invert(CharRange *cr); #ifdef CONFIG_ALL_UNICODE LRE_BOOL lre_is_id_start(uint32_t c);LRE_BOOL lre_is_id_continue(uint32_t c); int unicode_normalize(uint32_t **pdst, const uint32_t *src, int src_len,                      UnicodeNormalizationEnum n_type,                      void *opaque, void *(*realloc_func)(void *opaque, void *ptr, size_t size)); /* Unicode character range functions */ int unicode_script(CharRange *cr,                   const char *script_name, LRE_BOOL is_ext);int unicode_general_category(CharRange *cr, const char *gc_name);int unicode_prop(CharRange *cr, const char *prop_name); #endif /* CONFIG_ALL_UNICODE */ #undef LRE_BOOL #endif /* LIBUNICODE_H */