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/*
* $Id: ispell.h,v 1.60 1994/05/17 06:44:15 geoff Exp $
*/
/*
* Copyright 1992, 1993, Geoff Kuenning, Granada Hills, CA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All modifications to the source code must be clearly marked as
* such. Binary redistributions based on modified source code
* must be clearly marked as modified versions in the documentation
* and/or other materials provided with the distribution.
* 4. All advertising materials mentioning features or use of this software
* must display the following acknowledgment:
* This product includes software developed by Geoff Kuenning and
* other unpaid contributors.
* 5. The name of Geoff Kuenning may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY GEOFF KUENNING AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL GEOFF KUENNING OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* $Log: ispell.h,v $
* Revision 1.60 1994/05/17 06:44:15 geoff
* Add support for controlled compound formation and the COMPOUNDONLY
* option to affix flags.
*
* Revision 1.59 1994/03/15 06:25:16 geoff
* Change deftflag's initialization so we can tell if -t/-n appeared.
*
* Revision 1.58 1994/02/07 05:53:28 geoff
* Add typecasts to the the 7-bit versions of ichar* routines
*
* Revision 1.57 1994/01/25 07:11:48 geoff
* Get rid of all old RCS log lines in preparation for the 3.1 release.
*
*/
#include <stdio.h>
#ifdef __STDC__
#define P(x) x
#define VOID void
#else /* __STDC__ */
#define P(x) ()
#define VOID char
#define const
#endif /* __STDC__ */
#ifdef NO8BIT
#define SET_SIZE 128
#else
#define SET_SIZE 256
#endif
#define MASKSIZE (MASKBITS / MASKTYPE_WIDTH)
#ifdef lint
extern void SETMASKBIT P ((MASKTYPE * mask, int bit));
extern void CLRMASKBIT P ((MASKTYPE * mask, int bit));
extern int TSTMASKBIT P ((MASKTYPE * mask, int bit));
#else /* lint */
/* The following is really testing for MASKSIZE <= 1, but cpp can't do that */
#if MASKBITS <= MASKTYPE_WIDTH
#define SETMASKBIT(mask, bit) ((mask)[0] |= 1 << (bit))
#define CLRMASKBIT(mask, bit) ((mask)[0] &= ~(1 << (bit)))
#define TSTMASKBIT(mask, bit) ((mask)[0] & (1 << (bit)))
#else
#define SETMASKBIT(mask, bit) \
((mask)[(bit) / MASKTYPE_WIDTH] |= \
1 << ((bit) & (MASKTYPE_WIDTH - 1)))
#define CLRMASKBIT(mask, bit) \
((mask)[(bit) / MASKTYPE_WIDTH] &= \
~(1 << ((bit) & (MASKTYPE_WIDTH - 1))))
#define TSTMASKBIT(mask, bit) \
((mask)[(bit) / MASKTYPE_WIDTH] & \
(1 << ((bit) & (MASKTYPE_WIDTH - 1))))
#endif
#endif /* lint */
#if MASKBITS > 64
#define FULLMASKSET
#endif
#ifdef lint
extern int BITTOCHAR P ((int bit));
extern int CHARTOBIT P ((int ch));
#endif /* lint */
#if MASKBITS <= 32
# ifndef lint
#define BITTOCHAR(bit) ((bit) + 'A')
#define CHARTOBIT(ch) ((ch) - 'A')
# endif /* lint */
#define LARGESTFLAG 26 /* 5 are needed for flagfield below */
#define FLAGBASE 26
#else
# if MASKBITS <= 64
# ifndef lint
#define BITTOCHAR(bit) ((bit) + 'A')
#define CHARTOBIT(ch) ((ch) - 'A')
# endif /* lint */
#define LARGESTFLAG (64 - 6) /* 5 are needed for flagfield below */
#define FLAGBASE 26
# else
# ifndef lint
#define BITTOCHAR(bit) (bit)
#define CHARTOBIT(ch) (ch)
# endif /* lint */
#define LARGESTFLAG MASKBITS /* flagfield is a separate field */
#define FLAGBASE 0
# endif
#endif
/*
** Data type for internal word storage. If necessary, we use shorts rather
** than chars so that string characters can be encoded as a single unit.
*/
#if (SET_SIZE + MAXSTRINGCHARS) <= 256
#ifndef lint
#define ICHAR_IS_CHAR
#endif /* lint */
#endif
#ifdef ICHAR_IS_CHAR
typedef unsigned char ichar_t; /* Internal character */
#define icharlen(s) strlen ((char *) s)
#define icharcpy(a, b) strcpy ((char *) a, (char *) b)
#define icharcmp(a, b) strcmp ((char *) a, (char *) b)
#define icharncmp(a, b, n) strncmp ((char *) a, (char *) b, n)
#define chartoichar(x) ((ichar_t) (x))
#else
typedef unsigned short ichar_t; /* Internal character */
#define chartoichar(x) ((ichar_t) (unsigned char) (x))
#endif
struct dent
{
struct dent * next;
char * word;
MASKTYPE mask[MASKSIZE];
#ifdef FULLMASKSET
char flags;
#endif
};
/*
** Flags in the directory entry. If FULLMASKSET is undefined, these are
** stored in the highest bits of the last longword of the mask field. If
** FULLMASKSET is defined, they are stored in the extra "flags" field.
#ifndef NO_CAPITALIZATION_SUPPORT
**
** If a word has only one capitalization form, and that form is not
** FOLLOWCASE, it will have exactly one entry in the dictionary. The
** legal capitalizations will be indicated by the 2-bit capitalization
** field, as follows:
**
** ALLCAPS The word must appear in all capitals.
** CAPITALIZED The word must be capitalized (e.g., London).
** It will also be accepted in all capitals.
** ANYCASE The word may appear in lowercase, capitalized,
** or all-capitals.
**
** Regardless of the capitalization flags, the "word" field of the entry
** will point to an all-uppercase copy of the word. This is to simplify
** the large portion of the code that doesn't care about capitalization.
** Ispell will generate the correct version when needed.
**
** If a word has more than one capitalization, there will be multiple
** entries for it, linked together by the "next" field. The initial
** entry for such words will be a dummy entry, primarily for use by code
** that ignores capitalization. The "word" field of this entry will
** again point to an all-uppercase copy of the word. The "mask" field
** will contain the logical OR of the mask fields of all variants.
** A header entry is indicated by a capitalization type of ALLCAPS,
** with the MOREVARIANTS bit set.
**
** The following entries will define the individual variants. Each
** entry except the last has the MOREVARIANTS flag set, and each
** contains one of the following capitalization options:
**
** ALLCAPS The word must appear in all capitals.
** CAPITALIZED The word must be capitalized (e.g., London).
** It will also be accepted in all capitals.
** FOLLOWCASE The word must be capitalized exactly like the
** sample in the entry. Prefix (suffix) characters
** must be rendered in the case of the first (last)
** "alphabetic" character. It will also be accepted
** in all capitals. ("Alphabetic" means "mentioned
** in a 'casechars' statement".)
** ANYCASE The word may appear in lowercase, capitalized,
** or all-capitals.
**
** The "mask" field for the entry contains only the affix flag bits that
** are legal for that capitalization. The "word" field will be null
** except for FOLLOWCASE entries, where it will point to the
** correctly-capitalized spelling of the root word.
**
** It is worth discussing why the ALLCAPS option is used in
** the header entry. The header entry accepts an all-capitals
** version of the root plus every affix (this is always legal, since
** words get capitalized in headers and so forth). Further, all of
** the following variant entries will reject any all-capitals form
** that is illegal due to an affix.
**
** Finally, note that variations in the KEEP flag can cause a multiple-variant
** entry as well. For example, if the personal dictionary contains "ALPHA",
** (KEEP flag set) and the user adds "alpha" with the KEEP flag clear, a
** multiple-variant entry will be created so that "alpha" will be accepted
** but only "ALPHA" will actually be kept.
#endif
*/
#ifdef FULLMASKSET
#define flagfield flags
#else
#define flagfield mask[MASKSIZE - 1]
#endif
#define USED (1 << (FLAGBASE + 0))
#define KEEP (1 << (FLAGBASE + 1))
#ifdef NO_CAPITALIZATION_SUPPORT
#define ALLFLAGS (USED | KEEP)
#else /* NO_CAPITALIZATION_SUPPORT */
#define ANYCASE (0 << (FLAGBASE + 2))
#define ALLCAPS (1 << (FLAGBASE + 2))
#define CAPITALIZED (2 << (FLAGBASE + 2))
#define FOLLOWCASE (3 << (FLAGBASE + 2))
#define CAPTYPEMASK (3 << (FLAGBASE + 2))
#define MOREVARIANTS (1 << (FLAGBASE + 4))
#define ALLFLAGS (USED | KEEP | CAPTYPEMASK | MOREVARIANTS)
#define captype(x) ((x) & CAPTYPEMASK)
#endif /* NO_CAPITALIZATION_SUPPORT */
/*
* Language tables used to encode prefix and suffix information.
*/
struct flagent
{
ichar_t * strip; /* String to strip off */
ichar_t * affix; /* Affix to append */
short flagbit; /* Flag bit this ent matches */
short stripl; /* Length of strip */
short affl; /* Length of affix */
short numconds; /* Number of char conditions */
short flagflags; /* Modifiers on this flag */
char conds[SET_SIZE + MAXSTRINGCHARS]; /* Adj. char conds */
};
/*
* Bits in flagflags
*/
#define FF_CROSSPRODUCT (1 << 0) /* Affix does cross-products */
#define FF_COMPOUNDONLY (1 << 1) /* Afx works in compounds */
union ptr_union /* Aid for building flg ptrs */
{
struct flagptr * fp; /* Pointer to more indexing */
struct flagent * ent; /* First of a list of ents */
};
struct flagptr
{
union ptr_union pu; /* Ent list or more indexes */
int numents; /* If zero, pu.fp is valid */
};
/*
* Description of a single string character type.
*/
struct strchartype
{
char * name; /* Name of the type */
char * deformatter; /* Deformatter to use */
char * suffixes; /* File suffixes, null seps */
};
/*
* Header placed at the beginning of the hash file.
*/
struct hashheader
{
unsigned short magic; /* Magic number for ID */
unsigned short compileoptions; /* How we were compiled */
short maxstringchars; /* Max # strchrs we support */
short maxstringcharlen; /* Max strchr len supported */
short compoundmin; /* Min lth of compound parts */
short compoundbit; /* Flag 4 compounding roots */
int stringsize; /* Size of string table */
int lstringsize; /* Size of lang. str tbl */
int tblsize; /* No. entries in hash tbl */
int stblsize; /* No. entries in sfx tbl */
int ptblsize; /* No. entries in pfx tbl */
int sortval; /* Largest sort ID assigned */
int nstrchars; /* No. strchars defined */
int nstrchartype; /* No. strchar types */
int strtypestart; /* Start of strtype table */
char nrchars[5]; /* Nroff special characters */
char texchars[13]; /* TeX special characters */
char compoundflag; /* Compund-word handling */
char defhardflag; /* Default tryveryhard flag */
char flagmarker; /* "Start-of-flags" char */
unsigned short sortorder[SET_SIZE + MAXSTRINGCHARS]; /* Sort ordering */
ichar_t lowerconv[SET_SIZE + MAXSTRINGCHARS]; /* Lower-conversion table */
ichar_t upperconv[SET_SIZE + MAXSTRINGCHARS]; /* Upper-conversion table */
char wordchars[SET_SIZE + MAXSTRINGCHARS]; /* NZ for chars found in wrds */
char upperchars[SET_SIZE + MAXSTRINGCHARS]; /* NZ for uppercase chars */
char lowerchars[SET_SIZE + MAXSTRINGCHARS]; /* NZ for lowercase chars */
char boundarychars[SET_SIZE + MAXSTRINGCHARS]; /* NZ for boundary chars */
char stringstarts[SET_SIZE]; /* NZ if char can start str */
char stringchars[MAXSTRINGCHARS][MAXSTRINGCHARLEN + 1]; /* String chars */
char stringdups[MAXSTRINGCHARS]; /* No. of "base" char */
char dupnos[MAXSTRINGCHARS]; /* Dup char ID # */
unsigned short magic2; /* Second magic for dbl chk */
};
/* hash table magic number */
#define MAGIC 0x9602
/* compile options, put in the hash header for consistency checking */
#ifdef NO8BIT
# define MAGIC8BIT 0x01
#else
# define MAGIC8BIT 0x00
#endif
#ifdef NO_CAPITALIZATION_SUPPORT
# define MAGICCAPITALIZATION 0x00
#else
# define MAGICCAPITALIZATION 0x02
#endif
#if MASKBITS <= 32
# define MAGICMASKSET 0x00
#else
# if MASKBITS <= 64
# define MAGICMASKSET 0x04
# else
# if MASKBITS <= 128
# define MAGICMASKSET 0x08
# else
# define MAGICMASKSET 0x0C
# endif
# endif
#endif
#define COMPILEOPTIONS (MAGIC8BIT | MAGICCAPITALIZATION | MAGICMASKSET)
/*
* Structure used to record data about successful lookups; these values
* are used in the ins_root_cap routine to produce correct capitalizations.
*/
struct success
{
struct dent * dictent; /* Header of dict entry chain for wd */
struct flagent * prefix; /* Prefix flag used, or NULL */
struct flagent * suffix; /* Suffix flag used, or NULL */
};
/*
** Offsets into the nroff special-character array
*/
#define NRLEFTPAREN hashheader.nrchars[0]
#define NRRIGHTPAREN hashheader.nrchars[1]
#define NRDOT hashheader.nrchars[2]
#define NRBACKSLASH hashheader.nrchars[3]
#define NRSTAR hashheader.nrchars[4]
/*
** Offsets into the TeX special-character array
*/
#define TEXLEFTPAREN hashheader.texchars[0]
#define TEXRIGHTPAREN hashheader.texchars[1]
#define TEXLEFTSQUARE hashheader.texchars[2]
#define TEXRIGHTSQUARE hashheader.texchars[3]
#define TEXLEFTCURLY hashheader.texchars[4]
#define TEXRIGHTCURLY hashheader.texchars[5]
#define TEXLEFTANGLE hashheader.texchars[6]
#define TEXRIGHTANGLE hashheader.texchars[7]
#define TEXBACKSLASH hashheader.texchars[8]
#define TEXDOLLAR hashheader.texchars[9]
#define TEXSTAR hashheader.texchars[10]
#define TEXDOT hashheader.texchars[11]
#define TEXPERCENT hashheader.texchars[12]
/*
** Values for compoundflag
*/
#define COMPOUND_NEVER 0 /* Compound words are never good */
#define COMPOUND_ANYTIME 1 /* Accept run-together words */
#define COMPOUND_CONTROLLED 2 /* Compounds controlled by afx flags */
/*
** The isXXXX macros normally only check ASCII range, and don't support
** the character sets of other languages. These private versions handle
** whatever character sets have been defined in the affix files.
*/
#ifdef lint
extern int myupper P ((unsigned int ch));
extern int mylower P ((unsigned int ch));
extern int myspace P ((unsigned int ch));
extern int iswordch P ((unsigned int ch));
extern int isboundarych P ((unsigned int ch));
extern int isstringstart P ((unsigned int ch));
extern ichar_t mytolower P ((unsigned int ch));
extern ichar_t mytoupper P ((unsigned int ch));
#else /* lint */
#define myupper(X) (hashheader.upperchars[X])
#define mylower(X) (hashheader.lowerchars[X])
#define myspace(X) (((X) > 0) && ((X) < 0x80) \
&& isspace((unsigned char) (X)))
#define iswordch(X) (hashheader.wordchars[X])
#define isboundarych(X) (hashheader.boundarychars[X])
#define isstringstart(X) (hashheader.stringstarts[(unsigned char) (X)])
#define mytolower(X) (hashheader.lowerconv[X])
#define mytoupper(X) (hashheader.upperconv[X])
#endif /* lint */
/*
** These macros are similar to the ones above, but they take into account
** the possibility of string characters. Note well that they take a POINTER,
** not a character.
**
** The "l_" versions set "len" to the length of the string character as a
** handy side effect. (Note that the global "laststringch" is also set,
** and sometimes used, by these macros.)
**
** The "l1_" versions go one step further and guarantee that the "len"
** field is valid for *all* characters, being set to 1 even if the macro
** returns false. This macro is a great example of how NOT to write
** readable C.
*/
#define isstringch(ptr, canon) (isstringstart (*ptr) \
&& stringcharlen (ptr, canon) > 0)
#define l_isstringch(ptr, len, canon) \
(isstringstart (*ptr) \
&& (len = stringcharlen (ptr, canon)) > 0)
#define l1_isstringch(ptr, len, canon) \
(len = 1, \
isstringstart (*ptr) \
&& ((len = stringcharlen (ptr, canon)) \
> 0 \
? 1 : (len = 1, 0)))
/*
* Sizes of buffers returned by ichartosstr/strtosichar.
*/
#define ICHARTOSSTR_SIZE (INPUTWORDLEN + 4 * MAXAFFIXLEN + 4)
#define STRTOSICHAR_SIZE ((INPUTWORDLEN + 4 * MAXAFFIXLEN + 4) \
* sizeof (ichar_t))
/*
* termcap variables
*/
#ifdef MAIN
# define EXTERN /* nothing */
#else
# define EXTERN extern
#endif
EXTERN char * BC; /* backspace if not ^H */
EXTERN char * cd; /* clear to end of display */
EXTERN char * cl; /* clear display */
EXTERN char * cm; /* cursor movement */
EXTERN char * ho; /* home */
EXTERN char * nd; /* non-destructive space */
EXTERN char * so; /* standout */
EXTERN char * se; /* standout end */
EXTERN int sg; /* space taken by so/se */
EXTERN char * ti; /* terminal initialization sequence */
EXTERN char * te; /* terminal termination sequence */
EXTERN int li; /* lines */
EXTERN int co; /* columns */
EXTERN int contextsize; /* number of lines of context to show */
EXTERN char contextbufs[MAXCONTEXT][BUFSIZ]; /* Context of current line */
EXTERN char * currentchar; /* Location in contextbufs */
EXTERN char ctoken[INPUTWORDLEN + MAXAFFIXLEN]; /* Current token as char */
EXTERN ichar_t itoken[INPUTWORDLEN + MAXAFFIXLEN]; /* Ctoken as ichar_t str */
EXTERN char termcap[2048]; /* termcap entry */
EXTERN char termstr[2048]; /* for string values */
EXTERN char * termptr; /* pointer into termcap, used by tgetstr */
EXTERN int numhits; /* number of hits in dictionary lookups */
EXTERN struct success
hits[MAX_HITS]; /* table of hits gotten in lookup */
EXTERN char * hashstrings; /* Strings in hash table */
EXTERN struct hashheader
hashheader; /* Header of hash table */
EXTERN struct dent *
hashtbl; /* Main hash table, for dictionary */
EXTERN int hashsize; /* Size of main hash table */
EXTERN char hashname[MAXPATHLEN]; /* Name of hash table file */
EXTERN int aflag; /* NZ if -a or -A option specified */
EXTERN int cflag; /* NZ if -c (crunch) option */
EXTERN int lflag; /* NZ if -l (list) option */
EXTERN int incfileflag; /* whether xgets() acts exactly like gets() */
EXTERN int nodictflag; /* NZ if dictionary not needed */
EXTERN int erasechar; /* User's erase character, from stty */
EXTERN int killchar; /* User's kill character */
EXTERN int laststringch; /* Number of last string character */
EXTERN int defdupchar; /* Default duplicate string type */
EXTERN int numpflags; /* Number of prefix flags in table */
EXTERN int numsflags; /* Number of suffix flags in table */
EXTERN struct flagptr pflagindex[SET_SIZE + MAXSTRINGCHARS];
/* Fast index to pflaglist */
EXTERN struct flagent * pflaglist; /* Prefix flag control list */
EXTERN struct flagptr sflagindex[SET_SIZE + MAXSTRINGCHARS];
/* Fast index to sflaglist */
EXTERN struct flagent * sflaglist; /* Suffix flag control list */
EXTERN struct strchartype * /* String character type collection */
chartypes;
EXTERN FILE * infile; /* File being corrected */
EXTERN FILE * outfile; /* Corrected copy of infile */
EXTERN char * askfilename; /* File specified in -f option */
EXTERN int changes; /* NZ if changes made to cur. file */
EXTERN int readonly; /* NZ if current file is readonly */
EXTERN int quit; /* NZ if we're done with this file */
#define MAXPOSSIBLE 100 /* Max no. of possibilities to generate */
EXTERN char possibilities[MAXPOSSIBLE][INPUTWORDLEN + MAXAFFIXLEN];
/* Table of possible corrections */
EXTERN int pcount; /* Count of possibilities generated */
EXTERN int maxposslen; /* Length of longest possibility */
EXTERN int easypossibilities; /* Number of "easy" corrections found */
/* ..(defined as those using legal affixes) */
/*
* The following array contains a list of characters that should be tried
* in "missingletter." Note that lowercase characters are omitted.
*/
EXTERN int Trynum; /* Size of "Try" array */
EXTERN ichar_t Try[SET_SIZE + MAXSTRINGCHARS];
/*
* Initialized variables. These are generated using macros so that they
* may be consistently declared in all programs. Numerous examples of
* usage are given below.
*/
#ifdef MAIN
#define INIT(decl, init) decl = init
#else
#define INIT(decl, init) extern decl
#endif
#ifdef MINIMENU
INIT (int minimenusize, 2); /* MUST be either 2 or zero */
#else /* MINIMENU */
INIT (int minimenusize, 0); /* MUST be either 2 or zero */
#endif /* MINIMENU */
INIT (int eflag, 0); /* NZ for expand mode */
INIT (int dumpflag, 0); /* NZ to do dump mode */
INIT (int fflag, 0); /* NZ if -f specified */
#ifndef USG
INIT (int sflag, 0); /* NZ to stop self after EOF */
#endif
INIT (int vflag, 0); /* NZ to display characters as M-xxx */
INIT (int xflag, DEFNOBACKUPFLAG); /* NZ to suppress backups */
INIT (int deftflag, -1); /* NZ for TeX mode by default */
INIT (int tflag, DEFTEXFLAG); /* NZ for TeX mode in current file */
INIT (int prefstringchar, -1); /* Preferred string character type */
INIT (int terse, 0); /* NZ for "terse" mode */
INIT (char tempfile[MAXPATHLEN], ""); /* Name of file we're spelling into */
INIT (int minword, MINWORD); /* Longest always-legal word */
INIT (int sortit, 1); /* Sort suggestions alphabetically */
INIT (int compoundflag, -1); /* How to treat compounds: see above */
INIT (int tryhardflag, -1); /* Always call tryveryhard */
INIT (char * currentfile, NULL); /* Name of current input file */
/* Odd numbers for math mode in LaTeX; even for LR or paragraph mode */
INIT (int math_mode, 0);
/* P -- paragraph or LR mode
* b -- parsing a \begin statement
* e -- parsing an \end statement
* r -- parsing a \ref type of argument.
* m -- looking for a \begin{minipage} argument.
*/
INIT (char LaTeX_Mode, 'P');
INIT (int TeX_comment, 0);
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