#ifndef MC__SEARCH_H #define MC__SEARCH_H #include #include "lib/global.h" /* */ #include #ifdef SEARCH_TYPE_PCRE #ifdef HAVE_PCRE2 #define PCRE2_CODE_UNIT_WIDTH 8 #include #else #include #endif #endif /* SEARCH_TYPE_PCRE */ /*** typedefs(not structures) and defined constants **********************************************/ typedef enum mc_search_cbret_t mc_search_cbret_t; typedef mc_search_cbret_t (*mc_search_fn) (const void *user_data, gsize char_offset, int *current_char); typedef mc_search_cbret_t (*mc_update_fn) (const void *user_data, gsize char_offset); #define MC_SEARCH__NUM_REPLACE_ARGS 64 #ifdef SEARCH_TYPE_GLIB #define mc_search_matchinfo_t GMatchInfo #else #ifdef HAVE_PCRE2 /* no pcre_extra in PCRE2. pcre2_jit_compile (equivalent of pcre_study) handles * all of this internally. but we can use this to hold the pcre2_matches data * until the search is complete */ #define mc_search_matchinfo_t pcre2_match_data #else #define mc_search_matchinfo_t pcre_extra #endif #endif /*** enums ***************************************************************************************/ typedef enum { MC_SEARCH_E_OK = 0, MC_SEARCH_E_INPUT, MC_SEARCH_E_REGEX_COMPILE, MC_SEARCH_E_REGEX, MC_SEARCH_E_REGEX_REPLACE, MC_SEARCH_E_NOTFOUND, MC_SEARCH_E_ABORT } mc_search_error_t; typedef enum { MC_SEARCH_T_INVALID = -1, MC_SEARCH_T_NORMAL, MC_SEARCH_T_REGEX, MC_SEARCH_T_HEX, MC_SEARCH_T_GLOB } mc_search_type_t; enum mc_search_cbret_t { MC_SEARCH_CB_OK = 0, MC_SEARCH_CB_INVALID = -1, MC_SEARCH_CB_ABORT = -2, MC_SEARCH_CB_SKIP = -3, MC_SEARCH_CB_NOTFOUND = -4 }; /*** structures declarations (and typedefs of structures)*****************************************/ typedef struct mc_search_struct { /* public input data */ #ifdef HAVE_CHARSET /* search in all charsets */ gboolean is_all_charsets; #endif /* case sensitive search */ gboolean is_case_sensitive; /* search only once. Is this for replace? */ gboolean is_once_only; /* search only whole words (from begin to end). Used only with NORMAL search type */ gboolean whole_words; /* search entire string (from begin to end). Used only with GLOB search type */ gboolean is_entire_line; /* function, used for getting data. NULL if not used */ mc_search_fn search_fn; /* function, used for updatin current search status. NULL if not used */ mc_update_fn update_fn; /* type of search */ mc_search_type_t search_type; /* public output data */ /* some data for normal */ off_t normal_offset; off_t start_buffer; /* some data for regexp */ int num_results; gboolean is_utf8; mc_search_matchinfo_t *regex_match_info; GString *regex_buffer; #ifdef SEARCH_TYPE_PCRE #ifdef HAVE_PCRE2 /* pcre2 will provide a pointer to a match_data structure that can be manipulated like an * iovector */ size_t *iovector; #else int iovector[MC_SEARCH__NUM_REPLACE_ARGS * 2]; #endif #endif /* SEARCH_TYPE_PCRE */ /* private data */ struct { GPtrArray *conditions; gboolean result; } prepared; /* original search string */ struct { GString *str; #ifdef HAVE_CHARSET gchar *charset; #endif } original; /* error code after search */ mc_search_error_t error; gchar *error_str; } mc_search_t; typedef struct mc_search_type_str_struct { const char *str; mc_search_type_t type; } mc_search_type_str_t; /*** global variables defined in .c file *********************************************************/ /* Error messages */ extern const char *STR_E_NOTFOUND; extern const char *STR_E_UNKNOWN_TYPE; extern const char *STR_E_RPL_NOT_EQ_TO_FOUND; extern const char *STR_E_RPL_INVALID_TOKEN; /*** declarations of public functions ************************************************************/ mc_search_t *mc_search_new (const gchar *original, const gchar *original_charset); mc_search_t *mc_search_new_len (const gchar *original, gsize original_len, const gchar *original_charset); void mc_search_free (mc_search_t *lc_mc_search); gboolean mc_search_prepare (mc_search_t *mc_search); gboolean mc_search_run (mc_search_t *mc_search, const void *user_data, gsize start_search, gsize end_search, gsize *found_len); gboolean mc_search_is_type_avail (mc_search_type_t search_type); const mc_search_type_str_t *mc_search_types_list_get (size_t *num); GString *mc_search_prepare_replace_str (mc_search_t *mc_search, GString *replace_str); char *mc_search_prepare_replace_str2 (mc_search_t *lc_mc_search, const char *replace_str); gboolean mc_search_is_fixed_search_str (const mc_search_t *lc_mc_search); gchar **mc_search_get_types_strings_array (size_t *num); gboolean mc_search (const gchar *pattern, const gchar *pattern_charset, const gchar *str, mc_search_type_t type); int mc_search_getstart_result_by_num (mc_search_t *lc_mc_search, int lc_index); int mc_search_getend_result_by_num (mc_search_t *lc_mc_search, int lc_index); /* *INDENT-OFF* */ void mc_search_set_error (mc_search_t *lc_mc_search, mc_search_error_t code, const gchar *format, ...) G_GNUC_PRINTF (3, 4); /* *INDENT-ON* */ #endif /* MC__SEARCH_H */