94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#ifndef RE_Int
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#define RE_Int int64_t
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#endif
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#ifndef RE_API
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#ifdef __cplusplus
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#define RE_API extern "C"
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#else
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#define RE_API
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#endif
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#endif
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#ifndef RE_StaticFunc
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#if defined(__GNUC__) || defined(__clang__)
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#define RE_StaticFunc __attribute__((unused)) static
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#else
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#define RE_StaticFunc static
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#endif
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#endif
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typedef struct RE_String RE_String;
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typedef struct RE_Utf32Result RE_Utf32Result;
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typedef struct RE_Parser RE_Parser;
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typedef struct RE_Regex RE_Regex;
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typedef struct RE_Match RE_Match;
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/* @todo
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Add \W \D \S oppsites
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*/
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typedef enum RE_MatchKind {
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RE_MATCH_NULL,
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RE_MATCH_FRONT,
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RE_MATCH_BACK,
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RE_MATCH_WORD,
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RE_MATCH_OR,
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RE_MATCH_GROUP,
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RE_MATCH_SELECTED,
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RE_MATCH_NOT_SELECTED,
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RE_MATCH_RANGE,
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RE_MATCH_ANY,
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RE_MATCH_ANY_WORD,
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RE_MATCH_ANY_DIGIT,
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RE_MATCH_ANY_WHITESPACE,
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RE_MATCH_ONE_OR_MORE,
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RE_MATCH_ZERO_OR_MORE,
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RE_MATCH_ZERO_OR_ONE,
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} RE_MatchKind;
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struct RE_Regex {
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RE_MatchKind kind;
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RE_Regex *next;
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RE_Regex *prev;
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union {
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struct {
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char word_min;
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char word_max;
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};
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char word;
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uint32_t word32;
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RE_Regex *child;
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struct {
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RE_Regex *left;
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RE_Regex *right;
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};
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struct {
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RE_Regex *first;
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RE_Regex *last;
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} group;
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};
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};
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struct RE_Match {
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RE_Int pos;
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RE_Int size;
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};
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RE_API bool RE1_AreEqual(char *regex, char *string);
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RE_API bool RE2_AreEqual(RE_Regex *regex, char *string);
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RE_API bool RE3_AreEqual(RE_Regex *regex, char *string, RE_Int len);
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RE_API RE_Match RE1_Find(char *regex, char *string);
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RE_API RE_Match RE2_Find(RE_Regex *regex, char *string);
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RE_API RE_Match RE3_Find(RE_Regex *regex, char *string, RE_Int len);
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RE_API RE_Match RE2_FindAgain(RE_Regex *regex, char *string, RE_Match prev_match);
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RE_API RE_Match RE3_FindAgain(RE_Regex *regex, char *string, RE_Int len, RE_Match prev_match);
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RE_API RE_Int RE3_MatchFront(RE_Regex *regex, char *string, RE_Int len, char *string_front);
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RE_API RE_Regex *RE1_Parse(char *buff, RE_Int buffsize, char *string);
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RE_API RE_Regex *RE2_Parse(char *buff, RE_Int buffsize, char *string, RE_Int len);
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