ext/hunspell/suggestmgr.hxx

   1 #ifndef _SUGGESTMGR_HXX_
   2 #define _SUGGESTMGR_HXX_
   3
   4 #define MAXSWL 100
   5 #define MAXSWUTF8L (MAXSWL * 4)
   6 #define MAX_ROOTS 100
   7 #define MAX_WORDS 100
   8 #define MAX_GUESS 200
   9 #define MAXNGRAMSUGS 4
  10 #define MAXPHONSUGS 2
  11 #define MAXCOMPOUNDSUGS 3
  12
  13 // timelimit: max ~1/4 sec (process time on Linux) for a time consuming function
  14 #define TIMELIMIT (CLOCKS_PER_SEC >> 2)
  15 #define MINTIMER 100
  16 #define MAXPLUSTIMER 100
  17
  18 #define NGRAM_LONGER_WORSE  (1 << 0)
  19 #define NGRAM_ANY_MISMATCH  (1 << 1)
  20 #define NGRAM_LOWERING      (1 << 2)
  21 #define NGRAM_WEIGHTED      (1 << 3)
  22
  23 #include "hunvisapi.h"
  24
  25 #include "atypes.hxx"
  26 #include "affixmgr.hxx"
  27 #include "hashmgr.hxx"
  28 #include "langnum.hxx"
  29 #include <time.h>
  30
  31 enum { LCS_UP, LCS_LEFT, LCS_UPLEFT };
  32
  33 class LIBHUNSPELL_DLL_EXPORTED SuggestMgr
  34 {
  35   char *          ckey;
  36   int             ckeyl;
  37   w_char *        ckey_utf;
  38
  39   char *          ctry;
  40   int             ctryl;
  41   w_char *        ctry_utf;
  42
  43   AffixMgr*       pAMgr;
  44   int             maxSug;
  45   struct cs_info * csconv;
  46   int             utf8;
  47   int             langnum;
  48   int             nosplitsugs;
  49   int             maxngramsugs;
  50   int             maxcpdsugs;
  51   int             complexprefixes;
  52
  53
  54 public:
  55   SuggestMgr(const char * tryme, int maxn, AffixMgr *aptr);
  56   ~SuggestMgr();
  57
  58   int suggest(char*** slst, const char * word, int nsug, int * onlycmpdsug);
  59   int ngsuggest(char ** wlst, char * word, int ns, HashMgr** pHMgr, int md);
  60   int suggest_auto(char*** slst, const char * word, int nsug);
  61   int suggest_stems(char*** slst, const char * word, int nsug);
  62   int suggest_pos_stems(char*** slst, const char * word, int nsug);
  63
  64   char * suggest_morph(const char * word);
  65   char * suggest_gen(char ** pl, int pln, char * pattern);
  66   char * suggest_morph_for_spelling_error(const char * word);
  67
  68 private:
  69    int testsug(char** wlst, const char * candidate, int wl, int ns, int cpdsuggest,
  70      int * timer, clock_t * timelimit);
  71    int checkword(const char *, int, int, int *, clock_t *);
  72    int check_forbidden(const char *, int);
  73
  74    int capchars(char **, const char *, int, int);
  75    int replchars(char**, const char *, int, int);
  76    int doubletwochars(char**, const char *, int, int);
  77    int forgotchar(char **, const char *, int, int);
  78    int swapchar(char **, const char *, int, int);
  79    int longswapchar(char **, const char *, int, int);
  80    int movechar(char **, const char *, int, int);
  81    int extrachar(char **, const char *, int, int);
  82    int badcharkey(char **, const char *, int, int);
  83    int badchar(char **, const char *, int, int);
  84    int twowords(char **, const char *, int, int);
  85    int fixstems(char **, const char *, int);
  86
  87    int capchars_utf(char **, const w_char *, int wl, int, int);
  88    int doubletwochars_utf(char**, const w_char *, int wl, int, int);
  89    int forgotchar_utf(char**, const w_char *, int wl, int, int);
  90    int extrachar_utf(char**, const w_char *, int wl, int, int);
  91    int badcharkey_utf(char **, const w_char *, int wl, int, int);
  92    int badchar_utf(char **, const w_char *, int wl, int, int);
  93    int swapchar_utf(char **, const w_char *, int wl, int, int);
  94    int longswapchar_utf(char **, const w_char *, int, int, int);
  95    int movechar_utf(char **, const w_char *, int, int, int);
  96
  97    int mapchars(char**, const char *, int, int);
  98    int map_related(const char *, char *, int, int, char ** wlst, int, int, const mapentry*, int, int *, clock_t *);
  99    int ngram(int n, char * s1, const char * s2, int opt);
 100    int mystrlen(const char * word);
 101    int leftcommonsubstring(char * s1, const char * s2);
 102    int commoncharacterpositions(char * s1, const char * s2, int * is_swap);
 103    void bubblesort( char ** rwd, char ** rwd2, int * rsc, int n);
 104    void lcs(const char * s, const char * s2, int * l1, int * l2, char ** result);
 105    int lcslen(const char * s, const char* s2);
 106    char * suggest_hentry_gen(hentry * rv, char * pattern);
 107
 108 };
 109
 110 #endif
 111