#ifndef TEXT_FUZZY_H
#define TEXT_FUZZY_H
/*
  This file was automatically generated from


  at

     Sun Jul  9 20:59:19 2017.
*/
extern const char * text_fuzzy_statuses[];
#ifndef ERROR_HANDLER_H
#define ERROR_HANDLER_H
typedef int (* error_handler_t) (const char * source_file,
                                 int source_line_number,
                                 const char * message, ...)
#ifdef __GNUC__
    __attribute__ ((format (printf, 3, 4)))
#endif /* __GNUC__ */
;
#endif /* ndef ERROR_HANDLER_H */

extern error_handler_t text_fuzzy_error_handler;

#ifndef FAIL_STATUS
#define FAIL_STATUS -1
#endif /* FAIL_STATUS */
#ifndef ERROR_HANDLER

#ifdef __GNUC__

/* The following tells GCC not to warn that "default_error_handler" is
   unused. */

static void
default_error_handler (const char *,
		       int,
		       const char *, ...) 
    __attribute__ ((unused));

#endif /* __GNUC__ */

#include <stdarg.h>

static void default_error_handler (const char * file, int line,
                                   const char * format, ...)
{
    va_list a;
    va_start (a, format);
    fprintf (stderr, "%s:%d ", file, line);
    vfprintf (stderr, format, a);
    fprintf (stderr, "\n");
    va_end (a);
}
#define ERROR_HANDLER default_error_handler
#endif /* ERROR_HANDLER */
#define TEXT_FUZZY(x) {                                                 \
    text_fuzzy_status_t status;                                   \
    status = text_fuzzy_ ## x;                                    \
    if (status != text_fuzzy_status_ok) {                         \
    /* Print error and return. */                                       \
    ERROR_HANDLER (__FILE__, __LINE__,                                  \
                   "Call to %s failed: %s",                             \
                   #x, text_fuzzy_statuses[status]);              \
    return FAIL_STATUS;                                                 \
    }                                                                   \
    }

/*
  Local variables:
  mode: c
  End: 
*/

typedef enum {
    text_fuzzy_status_ok,
    text_fuzzy_status_memory_failure,
    text_fuzzy_status_open_error,
    text_fuzzy_status_close_error,
    text_fuzzy_status_read_error,
    text_fuzzy_status_line_too_long,
    text_fuzzy_status_ualphabet_on_non_unicode,
    text_fuzzy_status_max_min_miscalculation,
    text_fuzzy_status_string_too_long,
    text_fuzzy_status_max_distance_misuse,
    text_fuzzy_status_miscount,
}
text_fuzzy_status_t;
#ifndef __GNUC__
static int ok = text_fuzzy_status_ok;
static int memory_failure = text_fuzzy_status_memory_failure;
static int open_error = text_fuzzy_status_open_error;
static int close_error = text_fuzzy_status_close_error;
static int read_error = text_fuzzy_status_read_error;
static int line_too_long = text_fuzzy_status_line_too_long;
static int ualphabet_on_non_unicode = text_fuzzy_status_ualphabet_on_non_unicode;
static int max_min_miscalculation = text_fuzzy_status_max_min_miscalculation;
static int string_too_long = text_fuzzy_status_string_too_long;
static int max_distance_misuse = text_fuzzy_status_max_distance_misuse;
static int miscount = text_fuzzy_status_miscount;
#endif /* __GNUC__ */

#ifdef __GNUC__
#define CMAKER_WARN_UNUSED_RESULT __attribute__ ((warn_unused_result))
#else /* __GNUC__ */
#define CMAKER_WARN_UNUSED_RESULT
#endif /* __GNUC__ */
//#define VERBOSE 1

/* Alphabet over unicode characters. */

typedef struct ualphabet
{
    /* The smallest character in our alphabet. */
    int min;

    /* The largest character in our alphabet. */
    int max;

    /* Number of chars allocated in the following array. */
    int size;

    /* Array containing Unicode alphabet, as a bitmap. */
    unsigned char * alphabet;

    /* The number of characters which were rejected using the Unicode
       alphabet. */
    int rejections;
}
ualphabet_t;

/* This structure contains one string of whatever type. */

typedef struct text_fuzzy_string {

    /* The text of the string. */
    char * text;

    /* The length of "text". */
    int length;

    /* The characters of "text" expanded out into unicode
       characters. */
    int * unicode;

    /* The length of "unicode". */
    int ulength;

    /* Is "text" allocated? */

    unsigned int allocated : 1;
}
text_fuzzy_string_t;

/* Match candidates. */

typedef struct candidate candidate_t;

struct candidate {
    int distance;
    int offset;
    candidate_t * next;
};

/* The following structure contains one string plus additional
   paraphenalia used in searching for the string, for example the
   alphabet of the string. */

typedef struct text_fuzzy {

    /* The string we are to match. */
    text_fuzzy_string_t text;

    /* The matching string. */

    text_fuzzy_string_t b;

    /* The maximum edit distance we allow for. */
    int max_distance;

    /* The maximum edit distance the user will allow. We are going to
       cheat and ignore the user's value. */
    int max_distance_holder;

    /* The number of mallocs we are guilty of. */
    int n_mallocs;

    /* ASCII alphabet */
    int alphabet[0x100];

    /* The number of characters which were rejected using the ASCII
       alphabet. */
    int alphabet_rejections;

    /* Unicode alphabet. */
    ualphabet_t ualphabet;

    /* The minimum distance we got in our most recent effort. */
    int distance;

    /* The number of units allocated for "b.unicode". This is not the
       string length. This is used when deciding whether there is
       sufficient space to store a test string. */
    int b_unicode_length;

    /* The number of items which have been rejected because the length
       difference is bigger than the maximum edit distance. */
    int length_rejections;

    /* A character which is not in use. */
    unsigned char invalid_char;

    /* Candidates for an array match. */

    candidate_t first;
    candidate_t * last;

    /* When scanning an array, put the index of the element of the
       array into "text_fuzzy->offset". The offset of the nearest
       elements are preserved in the "candidate_t" linked list which
       starts off with "text_fuzzy". 

       There is currently no sanity check, so if the user forgets to
       set "offset" each time around the loop, the code will not
       notice anything amiss and just send a list of zeros back to the
       user. */

    int offset;

    /* Does the user want to use an alphabet filter? Default is yes,
       so this must be set to a non-zero value to switch off use. */
    unsigned int user_no_alphabet : 1;

    /* Are we actually going to use it? (This may be false even if the
       user wants to use it, for silly cases, but is not true if the
       user does not want to use it.) */
    unsigned int use_alphabet : 1;
    unsigned int use_ualphabet : 1;

    /* Variable edit costs? (currently unused) */
    unsigned int variable_edit_costs : 1;

    /* Do we account for transpositions? */
    unsigned int transpositions_ok : 1;

    /* Did we find it? */
    unsigned int found : 1;

    /* Is this Unicode? */
    unsigned int unicode : 1;

    /* Do we want to skip exact matches? */
    unsigned int no_exact : 1;

    /* Are we scanning a list of entries? */
    unsigned int scanning : 1;

    /* Do we want an array of answers? */
    unsigned int wantarray : 1;
}
text_fuzzy_t;

/* The string is not unicode so its length in unicode characters is
   unknown. */

#define TEXT_FUZZY_INVALID_UNICODE_LENGTH -1
#line 200 "/usr/home/ben/projects/text-fuzzy/text-fuzzy.c.in"
text_fuzzy_status_t text_fuzzy_generate_ualphabet (text_fuzzy_t * tf) CMAKER_WARN_UNUSED_RESULT;
#line 386 "/usr/home/ben/projects/text-fuzzy/text-fuzzy.c.in"
text_fuzzy_status_t text_fuzzy_compare_single (text_fuzzy_t * tf) CMAKER_WARN_UNUSED_RESULT;
#line 563 "/usr/home/ben/projects/text-fuzzy/text-fuzzy.c.in"
text_fuzzy_status_t text_fuzzy_get_candidates (text_fuzzy_t * text_fuzzy, int * n_candidates_ptr, int ** candidates_ptr) CMAKER_WARN_UNUSED_RESULT;
#line 620 "/usr/home/ben/projects/text-fuzzy/text-fuzzy.c.in"
text_fuzzy_status_t text_fuzzy_free_candidates (text_fuzzy_t * text_fuzzy, int * candidates) CMAKER_WARN_UNUSED_RESULT;
#line 637 "/usr/home/ben/projects/text-fuzzy/text-fuzzy.c.in"
text_fuzzy_status_t text_fuzzy_generate_alphabet (text_fuzzy_t * text_fuzzy) CMAKER_WARN_UNUSED_RESULT;
#line 675 "/usr/home/ben/projects/text-fuzzy/text-fuzzy.c.in"
text_fuzzy_status_t text_fuzzy_begin_scanning (text_fuzzy_t * text_fuzzy) CMAKER_WARN_UNUSED_RESULT;
#line 706 "/usr/home/ben/projects/text-fuzzy/text-fuzzy.c.in"
text_fuzzy_status_t text_fuzzy_end_scanning (text_fuzzy_t * text_fuzzy) CMAKER_WARN_UNUSED_RESULT;
#line 800 "/usr/home/ben/projects/text-fuzzy/text-fuzzy.c.in"
text_fuzzy_status_t text_fuzzy_scan_file (text_fuzzy_t * text_fuzzy, char * file_name, char ** nearest_ptr, int * nearest_length_ptr) CMAKER_WARN_UNUSED_RESULT;
#line 847 "/usr/home/ben/projects/text-fuzzy/text-fuzzy.c.in"
text_fuzzy_status_t text_fuzzy_scan_file_free (char * nearest) CMAKER_WARN_UNUSED_RESULT;
#line 853 "/usr/home/ben/projects/text-fuzzy/text-fuzzy.c.in"
text_fuzzy_status_t text_fuzzy_alphabet_rejections (text_fuzzy_t * text_fuzzy, int * r) CMAKER_WARN_UNUSED_RESULT;
#line 866 "/usr/home/ben/projects/text-fuzzy/text-fuzzy.c.in"
text_fuzzy_status_t text_fuzzy_free_memory (text_fuzzy_t * text_fuzzy) CMAKER_WARN_UNUSED_RESULT;
#line 872 "/usr/home/ben/projects/text-fuzzy/text-fuzzy.c.in"
text_fuzzy_status_t text_fuzzy_set_max_distance (text_fuzzy_t * text_fuzzy, int max_distance) CMAKER_WARN_UNUSED_RESULT;
#line 878 "/usr/home/ben/projects/text-fuzzy/text-fuzzy.c.in"
text_fuzzy_status_t text_fuzzy_get_max_distance (text_fuzzy_t * text_fuzzy, int * max_distance) CMAKER_WARN_UNUSED_RESULT;
#line 884 "/usr/home/ben/projects/text-fuzzy/text-fuzzy.c.in"
text_fuzzy_status_t text_fuzzy_set_transpositions (text_fuzzy_t * text_fuzzy, int transpositions) CMAKER_WARN_UNUSED_RESULT;
#line 890 "/usr/home/ben/projects/text-fuzzy/text-fuzzy.c.in"
text_fuzzy_status_t text_fuzzy_get_transpositions (text_fuzzy_t * text_fuzzy, int * transpositions) CMAKER_WARN_UNUSED_RESULT;
#line 896 "/usr/home/ben/projects/text-fuzzy/text-fuzzy.c.in"
text_fuzzy_status_t text_fuzzy_last_distance (text_fuzzy_t * text_fuzzy, int * last_distance) CMAKER_WARN_UNUSED_RESULT;
#line 906 "/usr/home/ben/projects/text-fuzzy/text-fuzzy.c.in"
text_fuzzy_status_t text_fuzzy_no_alphabet (text_fuzzy_t * text_fuzzy, int yes_no) CMAKER_WARN_UNUSED_RESULT;
#line 912 "/usr/home/ben/projects/text-fuzzy/text-fuzzy.c.in"
text_fuzzy_status_t text_fuzzy_ualphabet_rejections (text_fuzzy_t * text_fuzzy, int * ualphabet_rejections) CMAKER_WARN_UNUSED_RESULT;
#line 918 "/usr/home/ben/projects/text-fuzzy/text-fuzzy.c.in"
text_fuzzy_status_t text_fuzzy_set_no_exact (text_fuzzy_t * text_fuzzy, int yes_no) CMAKER_WARN_UNUSED_RESULT;
#line 924 "/usr/home/ben/projects/text-fuzzy/text-fuzzy.c.in"
text_fuzzy_status_t text_fuzzy_get_length_rejections (text_fuzzy_t * text_fuzzy, int * length_rejections) CMAKER_WARN_UNUSED_RESULT;
#line 935 "/usr/home/ben/projects/text-fuzzy/text-fuzzy.c.in"
text_fuzzy_status_t text_fuzzy_get_unicode_length (text_fuzzy_t * text_fuzzy, int * unicode_length) CMAKER_WARN_UNUSED_RESULT;
#endif /* TEXT_FUZZY_H */
