| regex.h | | regex.h | |
| | | | |
| skipping to change at line 54 | | skipping to change at line 54 | |
| #ifdef TRE_USE_SYSTEM_REGEX_H | | #ifdef TRE_USE_SYSTEM_REGEX_H | |
| | | | |
| #ifndef REG_OK | | #ifndef REG_OK | |
| #define REG_OK 0 | | #define REG_OK 0 | |
| #endif /* !REG_OK */ | | #endif /* !REG_OK */ | |
| | | | |
| #ifndef HAVE_REG_ERRCODE_T | | #ifndef HAVE_REG_ERRCODE_T | |
| typedef int reg_errcode_t; | | typedef int reg_errcode_t; | |
| #endif /* !HAVE_REG_ERRCODE_T */ | | #endif /* !HAVE_REG_ERRCODE_T */ | |
| | | | |
|
| | | /* Extra regcomp() flags. */ | |
| | | #define REG_LITERAL 0x1000 | |
| | | #define REG_RIGHT_ASSOC (REG_LITERAL << 1) | |
| | | | |
| | | /* Extra regexec() flags. */ | |
| | | #define REG_APPROX_MATCHER 0x1000 | |
| | | #define REG_BACKTRACKING_MATCHER (REG_APPROX_MATCHER << 1) | |
| | | | |
| #else /* !TRE_USE_SYSTEM_REGEX_H */ | | #else /* !TRE_USE_SYSTEM_REGEX_H */ | |
| | | | |
| /* If the we're not using system regex.h, we need to define the | | /* If the we're not using system regex.h, we need to define the | |
| structs and enums ourselves. */ | | structs and enums ourselves. */ | |
| | | | |
| typedef int regoff_t; | | typedef int regoff_t; | |
| typedef struct { | | typedef struct { | |
| size_t re_nsub; /* Number of parenthesized subexpressions. */ | | size_t re_nsub; /* Number of parenthesized subexpressions. */ | |
|
| void *value; /* For internal use only. */ | | void *value; /* For internal use only. */ | |
| } regex_t; | | } regex_t; | |
| | | | |
| typedef struct { | | typedef struct { | |
| regoff_t rm_so; | | regoff_t rm_so; | |
| regoff_t rm_eo; | | regoff_t rm_eo; | |
| } regmatch_t; | | } regmatch_t; | |
| | | | |
| typedef enum { | | typedef enum { | |
|
| REG_OK = 0, /* No error. */ | | REG_OK = 0, /* No error. */ | |
| /* POSIX regcomp() return error codes. (In the order listed in the | | /* POSIX regcomp() return error codes. (In the order listed in the | |
|
| standard.) */ | | standard.) */ | |
| REG_NOMATCH, /* No match. */ | | REG_NOMATCH, /* No match. */ | |
| REG_BADPAT, /* Invalid regexp. */ | | REG_BADPAT, /* Invalid regexp. */ | |
| REG_ECOLLATE, /* Unknown collating element. */ | | REG_ECOLLATE, /* Unknown collating element. */ | |
| REG_ECTYPE, /* Unknown character class name. */ | | REG_ECTYPE, /* Unknown character class name. */ | |
| REG_EESCAPE, /* Trailing backslash. */ | | REG_EESCAPE, /* Trailing backslash. */ | |
| REG_ESUBREG, /* Invalid back reference. */ | | REG_ESUBREG, /* Invalid back reference. */ | |
| REG_EBRACK, /* "[]" imbalance */ | | REG_EBRACK, /* "[]" imbalance */ | |
| REG_EPAREN, /* "\(\)" or "()" imbalance */ | | REG_EPAREN, /* "\(\)" or "()" imbalance */ | |
| REG_EBRACE, /* "\{\}" or "{}" imbalance */ | | REG_EBRACE, /* "\{\}" or "{}" imbalance */ | |
| REG_BADBR, /* Invalid content of {} */ | | REG_BADBR, /* Invalid content of {} */ | |
| REG_ERANGE, /* Invalid use of range operator */ | | REG_ERANGE, /* Invalid use of range operator */ | |
| REG_ESPACE, /* Out of memory. */ | | REG_ESPACE, /* Out of memory. */ | |
| REG_BADRPT | | REG_BADRPT | |
| } reg_errcode_t; | | } reg_errcode_t; | |
| | | | |
| /* POSIX regcomp() flags. */ | | /* POSIX regcomp() flags. */ | |
|
| #define REG_EXTENDED 1 | | #define REG_EXTENDED 1 | |
| #define REG_ICASE (REG_EXTENDED << 1) | | #define REG_ICASE (REG_EXTENDED << 1) | |
| #define REG_NEWLINE (REG_ICASE << 1) | | #define REG_NEWLINE (REG_ICASE << 1) | |
| #define REG_NOSUB (REG_NEWLINE << 1) | | #define REG_NOSUB (REG_NEWLINE << 1) | |
| | | | |
| /* Extra regcomp() flags. */ | | /* Extra regcomp() flags. */ | |
|
| #define REG_BASIC 0 | | #define REG_BASIC 0 | |
| #define REG_LITERAL (REG_NOSUB << 1) | | #define REG_LITERAL (REG_NOSUB << 1) | |
| | | #define REG_RIGHT_ASSOC (REG_LITERAL << 1) | |
| | | | |
| /* POSIX regexec() flags. */ | | /* POSIX regexec() flags. */ | |
| #define REG_NOTBOL 1 | | #define REG_NOTBOL 1 | |
| #define REG_NOTEOL (REG_NOTBOL << 1) | | #define REG_NOTEOL (REG_NOTBOL << 1) | |
| | | | |
|
| | | /* Extra regexec() flags. */ | |
| | | #define REG_APPROX_MATCHER (REG_NOTEOL << 1) | |
| | | #define REG_BACKTRACKING_MATCHER (REG_APPROX_MATCHER << 1) | |
| | | | |
| #endif /* !TRE_USE_SYSTEM_REGEX_H */ | | #endif /* !TRE_USE_SYSTEM_REGEX_H */ | |
| | | | |
| /* REG_NOSPEC and REG_LITERAL mean the same thing. */ | | /* REG_NOSPEC and REG_LITERAL mean the same thing. */ | |
| #if defined(REG_LITERAL) | | #if defined(REG_LITERAL) | |
|
| #define REG_NOSPEC REG_LITERAL | | #define REG_NOSPEC REG_LITERAL | |
| #elif defined(REG_NOSPEC) | | #elif defined(REG_NOSPEC) | |
|
| #define REG_LITERAL REG_NOSPEC | | #define REG_LITERAL REG_NOSPEC | |
| #endif /* defined(REG_NOSPEC) */ | | #endif /* defined(REG_NOSPEC) */ | |
| | | | |
| /* The maximum number of iterations in a bound expression. */ | | /* The maximum number of iterations in a bound expression. */ | |
| #undef RE_DUP_MAX | | #undef RE_DUP_MAX | |
| #define RE_DUP_MAX 255 | | #define RE_DUP_MAX 255 | |
| | | | |
| /* The POSIX.2 regexp functions */ | | /* The POSIX.2 regexp functions */ | |
| int regcomp(regex_t *preg, const char *regex, int cflags); | | int regcomp(regex_t *preg, const char *regex, int cflags); | |
| int regexec(const regex_t *preg, const char *string, size_t nmatch, | | int regexec(const regex_t *preg, const char *string, size_t nmatch, | |
| regmatch_t pmatch[], int eflags); | | regmatch_t pmatch[], int eflags); | |
| | | | |
| skipping to change at line 150 | | skipping to change at line 163 | |
| #ifdef TRE_WCHAR | | #ifdef TRE_WCHAR | |
| int regwncomp(regex_t *preg, const wchar_t *regex, size_t len, int cflags); | | int regwncomp(regex_t *preg, const wchar_t *regex, size_t len, int cflags); | |
| int regwnexec(const regex_t *preg, const wchar_t *string, size_t len, | | int regwnexec(const regex_t *preg, const wchar_t *string, size_t len, | |
| size_t nmatch, regmatch_t pmatch[], int eflags); | | size_t nmatch, regmatch_t pmatch[], int eflags); | |
| #endif /* TRE_WCHAR */ | | #endif /* TRE_WCHAR */ | |
| | | | |
| #ifdef TRE_APPROX | | #ifdef TRE_APPROX | |
| | | | |
| /* Approximate matching parameter struct. */ | | /* Approximate matching parameter struct. */ | |
| typedef struct { | | typedef struct { | |
|
| int cost_ins; /* Default cost of an inserted character. */ | | int cost_ins; /* Default cost of an inserted character. */ | |
| int cost_del; /* Default cost of a deleted character. */ | | int cost_del; /* Default cost of a deleted character. */ | |
| int cost_subst; /* Default cost of a substituted character. */ | | int cost_subst; /* Default cost of a substituted character. */ | |
|
| int max_cost; /* Maximum allowed cost of a match. */ | | int max_cost; /* Maximum allowed cost of a match. */ | |
| | | | |
|
| int max_ins; /* Maximum allowed number of inserts. */ | | int max_ins; /* Maximum allowed number of inserts. */ | |
| int max_del; /* Maximum allowed number of deletes. */ | | int max_del; /* Maximum allowed number of deletes. */ | |
| int max_subst; /* Maximum allowed number of substitutes. */ | | int max_subst; /* Maximum allowed number of substitutes. */ | |
|
| int max_err; /* Maximum allowed number of errors total. */ | | int max_err; /* Maximum allowed number of errors total. */ | |
| } regaparams_t; | | } regaparams_t; | |
| | | | |
| /* Approximate matching result struct. */ | | /* Approximate matching result struct. */ | |
| typedef struct { | | typedef struct { | |
| size_t nmatch; /* Length of pmatch[] array. */ | | size_t nmatch; /* Length of pmatch[] array. */ | |
| regmatch_t *pmatch; /* Submatch data. */ | | regmatch_t *pmatch; /* Submatch data. */ | |
|
| int cost; /* Cost of the match. */ | | int cost; /* Cost of the match. */ | |
| int num_ins; /* Number of inserts in the match. */ | | int num_ins; /* Number of inserts in the match. */ | |
| int num_del; /* Number of deletes in the match. */ | | int num_del; /* Number of deletes in the match. */ | |
| int num_subst; /* Number of substitutes in the match. */ | | int num_subst; /* Number of substitutes in the match. */ | |
| } regamatch_t; | | } regamatch_t; | |
| | | | |
| /* Approximate matching functions. */ | | /* Approximate matching functions. */ | |
| int regaexec(const regex_t *preg, const char *string, | | int regaexec(const regex_t *preg, const char *string, | |
| regamatch_t *match, regaparams_t params, int eflags); | | regamatch_t *match, regaparams_t params, int eflags); | |
| int reganexec(const regex_t *preg, const char *string, size_t len, | | int reganexec(const regex_t *preg, const char *string, size_t len, | |
| regamatch_t *match, regaparams_t params, int eflags); | | regamatch_t *match, regaparams_t params, int eflags); | |
| #ifdef TRE_WCHAR | | #ifdef TRE_WCHAR | |
| /* Wide character approximate matching. */ | | /* Wide character approximate matching. */ | |
| int regawexec(const regex_t *preg, const wchar_t *string, | | int regawexec(const regex_t *preg, const wchar_t *string, | |
| regamatch_t *match, regaparams_t params, int eflags); | | regamatch_t *match, regaparams_t params, int eflags); | |
| int regawnexec(const regex_t *preg, const wchar_t *string, size_t len, | | int regawnexec(const regex_t *preg, const wchar_t *string, size_t len, | |
| regamatch_t *match, regaparams_t params, int eflags); | | regamatch_t *match, regaparams_t params, int eflags); | |
| #endif /* TRE_WCHAR */ | | #endif /* TRE_WCHAR */ | |
| | | | |
| /* Sets the parameters to default values. */ | | /* Sets the parameters to default values. */ | |
| void regaparams_default(regaparams_t *params); | | void regaparams_default(regaparams_t *params); | |
| #endif /* TRE_APPROX */ | | #endif /* TRE_APPROX */ | |
| | | | |
|
| /* Returns the version string. The returned string is static. */ | | #ifdef TRE_WCHAR | |
| | | typedef wchar_t tre_char_t; | |
| | | #else /* !TRE_WCHAR */ | |
| | | typedef unsigned char tre_char_t; | |
| | | #endif /* !TRE_WCHAR */ | |
| | | | |
| | | typedef struct { | |
| | | int (*get_next_char)(tre_char_t *c, unsigned int *pos_add, void *context) | |
| | | ; | |
| | | void (*rewind)(size_t pos, void *context); | |
| | | int (*compare)(size_t pos1, size_t pos2, size_t len, void *context); | |
| | | void *context; | |
| | | } tre_str_source; | |
| | | | |
| | | int reguexec(const regex_t *preg, const tre_str_source *string, | |
| | | size_t nmatch, regmatch_t pmatch[], int eflags); | |
| | | | |
| | | /* Returns the version string. The returned string is static. */ | |
| char *tre_version(void); | | char *tre_version(void); | |
| | | | |
|
| | | /* Returns the value for a config parameter. The type to which `result' | |
| | | must point to depends of the value of `query', see documentation for | |
| | | more details. */ | |
| int tre_config(int query, void *result); | | int tre_config(int query, void *result); | |
| | | | |
| enum { | | enum { | |
| TRE_CONFIG_APPROX, | | TRE_CONFIG_APPROX, | |
| TRE_CONFIG_WCHAR, | | TRE_CONFIG_WCHAR, | |
| TRE_CONFIG_MULTIBYTE, | | TRE_CONFIG_MULTIBYTE, | |
| TRE_CONFIG_SYSTEM_ABI, | | TRE_CONFIG_SYSTEM_ABI, | |
| TRE_CONFIG_VERSION | | TRE_CONFIG_VERSION | |
| }; | | }; | |
| | | | |
|
| | | /* Returns 1 if the compiled pattern has back references, 0 if not. */ | |
| | | int tre_have_backrefs(const regex_t *preg); | |
| | | | |
| | | /* Returns 1 if the compiled pattern uses approximate matching features, | |
| | | 0 if not. */ | |
| | | int tre_have_approx(const regex_t *preg); | |
| | | | |
| #ifdef __cplusplus | | #ifdef __cplusplus | |
| } | | } | |
| #endif | | #endif | |
| #endif /* TRE_REGEX_H */ | | #endif /* TRE_REGEX_H */ | |
| | | | |
| /* EOF */ | | /* EOF */ | |
| | | | |
End of changes. 17 change blocks. |
| 33 lines changed or deleted | | 73 lines changed or added | |
|