mirror of https://github.com/MidnightCommander/mc
150 lines
3.7 KiB
C
150 lines
3.7 KiB
C
#ifndef MC__SEARCH_H
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#define MC__SEARCH_H
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#include <config.h>
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#include "lib/global.h" /* <glib.h> */
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#include <sys/types.h>
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#ifdef SEARCH_TYPE_PCRE
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#include <pcre.h>
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#endif
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/*** typedefs(not structures) and defined constants **********************************************/
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typedef int (*mc_search_fn) (const void *user_data, gsize char_offset);
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#define MC_SEARCH__NUM_REPLACE_ARGS 64
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#ifdef SEARCH_TYPE_GLIB
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#define mc_search_matchinfo_t GMatchInfo
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#else
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#define mc_search_matchinfo_t pcre_extra
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#endif
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/*** enums ***************************************************************************************/
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typedef enum
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{
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MC_SEARCH_E_OK,
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MC_SEARCH_E_INPUT,
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MC_SEARCH_E_REGEX_COMPILE,
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MC_SEARCH_E_REGEX,
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MC_SEARCH_E_REGEX_REPLACE,
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MC_SEARCH_E_NOTFOUND
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} mc_search_error_t;
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typedef enum
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{
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MC_SEARCH_T_NORMAL,
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MC_SEARCH_T_REGEX,
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MC_SEARCH_T_HEX,
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MC_SEARCH_T_GLOB
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} mc_search_type_t;
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typedef enum
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{
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MC_SEARCH_CB_OK = 0,
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MC_SEARCH_CB_INVALID = -1,
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MC_SEARCH_CB_ABORT = -2,
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MC_SEARCH_CB_SKIP = -3
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} mc_search_cbret_t;
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/*** structures declarations (and typedefs of structures)*****************************************/
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typedef struct mc_search_struct
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{
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/* public input data */
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/* search in all charsets */
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gboolean is_all_charsets;
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/* case sensitive search */
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gboolean is_case_sensitive;
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/* search only once. Is this for replace? */
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gboolean is_once_only;
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/* search only whole words (from begin to end). Used only with NORMAL search type */
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gboolean whole_words;
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/* search entire string (from begin to end). Used only with GLOB search type */
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gboolean is_entire_line;
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/* function, used for getting data. NULL if not used */
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mc_search_fn search_fn;
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/* function, used for updatin current search status. NULL if not used */
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mc_search_fn update_fn;
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/* type of search */
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mc_search_type_t search_type;
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/* public output data */
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/* some data for normal */
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off_t normal_offset;
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off_t start_buffer;
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/* some data for regexp */
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int num_results;
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mc_search_matchinfo_t *regex_match_info;
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GString *regex_buffer;
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#ifdef SEARCH_TYPE_PCRE
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int iovector[MC_SEARCH__NUM_REPLACE_ARGS * 2];
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#endif /* SEARCH_TYPE_PCRE */
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/* private data */
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/* prepared conditions */
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GPtrArray *conditions;
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/* original search string */
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gchar *original;
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gsize original_len;
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/* error code after search */
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mc_search_error_t error;
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gchar *error_str;
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} mc_search_t;
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typedef struct mc_search_type_str_struct
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{
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const char *str;
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mc_search_type_t type;
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} mc_search_type_str_t;
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/*** global variables defined in .c file *********************************************************/
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/*** declarations of public functions ************************************************************/
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mc_search_t *mc_search_new (const gchar * original, gsize original_len);
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void mc_search_free (mc_search_t * lc_mc_search);
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gboolean mc_search_prepare (mc_search_t * mc_search);
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gboolean mc_search_run (mc_search_t * mc_search, const void *user_data, gsize start_search,
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gsize end_search, gsize * found_len);
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gboolean mc_search_is_type_avail (mc_search_type_t);
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const mc_search_type_str_t *mc_search_types_list_get (size_t * num);
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GString *mc_search_prepare_replace_str (mc_search_t * mc_search, GString * replace_str);
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char *mc_search_prepare_replace_str2 (mc_search_t *, char *);
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gboolean mc_search_is_fixed_search_str (mc_search_t *);
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gchar **mc_search_get_types_strings_array (size_t * num);
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gboolean mc_search (const gchar *, const gchar *, mc_search_type_t);
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int mc_search_getstart_result_by_num (mc_search_t *, int);
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int mc_search_getend_result_by_num (mc_search_t *, int);
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#endif
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