src/search/search.h

   1 #ifndef MC__SEARCH_H
   2 #define MC__SEARCH_H
   3
   4 #include <config.h>
   5
   6 #include "../src/global.h"      /* <glib.h> */
   7
   8 #if ! GLIB_CHECK_VERSION (2, 14, 0)
   9 #       if HAVE_LIBPCRE
  10 #               include <pcre.h>
  11 #       else
  12 #               include <stdio.h>
  13 #               include <string.h>
  14 #               include <sys/types.h>
  15 #               include <regex.h>
  16 #       endif
  17 #endif
  18
  19 /*** typedefs(not structures) and defined constants **********************************************/
  20
  21 typedef int (*mc_search_fn) (const void *user_data, gsize char_offset);
  22
  23 #define MC_SEARCH__NUM_REPL_ARGS 64
  24
  25 #if GLIB_CHECK_VERSION (2, 14, 0)
  26 #define mc_search_matchinfo_t GMatchInfo
  27 #else
  28 #       if HAVE_LIBPCRE
  29 #               define mc_search_matchinfo_t pcre_extra
  30 #       else
  31 #               define mc_search_matchinfo_t regmatch_t
  32 #       endif
  33 #endif
  34
  35 #define MC_SEARCH__PCRE_MAX_MATCHES 64
  36
  37 /*** enums ***************************************************************************************/
  38
  39 typedef enum {
  40     MC_SEARCH_E_OK,
  41     MC_SEARCH_E_INPUT,
  42     MC_SEARCH_E_REGEX_COMPILE,
  43     MC_SEARCH_E_REGEX,
  44     MC_SEARCH_E_REGEX_REPLACE,
  45     MC_SEARCH_E_NOTFOUND
  46 } mc_search_error_t;
  47
  48 typedef enum {
  49     MC_SEARCH_T_NORMAL,
  50     MC_SEARCH_T_REGEX,
  51     MC_SEARCH_T_HEX,
  52     MC_SEARCH_T_GLOB
  53 } mc_search_type_t;
  54
  55
  56 /*** structures declarations (and typedefs of structures)*****************************************/
  57
  58 typedef struct mc_search_struct {
  59
  60 /* public input data */
  61
  62     /* search in all charsets */
  63     gboolean is_all_charsets;
  64
  65     /* case sentitive search */
  66     gboolean is_case_sentitive;
  67
  68     /* search only once.  Is this for replace? */
  69     gboolean is_once_only;
  70
  71     /* function, used for getting data. NULL if not used */
  72     mc_search_fn search_fn;
  73
  74     /* type of search */
  75     mc_search_type_t search_type;
  76
  77
  78 /* public output data */
  79
  80     /* some data for normal */
  81     gsize normal_offset;
  82
  83     /* some data for regexp */
  84     mc_search_matchinfo_t *regex_match_info;
  85     GString *regex_buffer;
  86 #if ! GLIB_CHECK_VERSION (2, 14, 0)
  87     int num_rezults;
  88 #if HAVE_LIBPCRE
  89     int iovector[MC_SEARCH__PCRE_MAX_MATCHES * 2];
  90 #else                           /* HAVE_LIBPCRE */
  91 #endif                          /* HAVE_LIBPCRE */
  92 #endif                          /* ! GLIB_CHECK_VERSION (2, 14, 0) */
  93
  94 /* private data */
  95
  96     /* prepared conditions */
  97     GPtrArray *conditions;
  98
  99     /* original search string */
 100     gchar *original;
 101     gsize original_len;
 102
 103     /* error code after search */
 104     mc_search_error_t error;
 105     gchar *error_str;
 106
 107 } mc_search_t;
 108
 109 typedef struct mc_search_type_str_struct {
 110     char *str;
 111     mc_search_type_t type;
 112 } mc_search_type_str_t;
 113
 114 /*** global variables defined in .c file *********************************************************/
 115
 116 /*** declarations of public functions ************************************************************/
 117
 118 mc_search_t *mc_search_new (const gchar * original, gsize original_len);
 119
 120 void mc_search_free (mc_search_t * mc_search);
 121
 122 gboolean mc_search_run (mc_search_t * mc_search, const void *user_data, gsize start_search,
 123                         gsize end_search, gsize * founded_len);
 124
 125 gboolean mc_search_is_type_avail (mc_search_type_t);
 126
 127 const mc_search_type_str_t *mc_search_types_list_get (void);
 128
 129 GString *mc_search_prepare_replace_str (mc_search_t * mc_search, GString * replace_str);
 130
 131 gboolean mc_search_is_fixed_search_str (mc_search_t *);
 132
 133 gchar **mc_search_get_types_strings_array (void);
 134
 135 gboolean mc_search (const gchar *, const gchar *, mc_search_type_t);
 136
 137 int mc_search_getstart_rezult_by_num(mc_search_t *, int);
 138 int mc_search_getend_rezult_by_num(mc_search_t *, int);
 139
 140 #endif