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- /* -*- Mode:Text -*- */
-
- #define MAIN
-
- /*
- * ispell.c - An interactive spelling corrector.
- *
- * Copyright (c), 1983, by Pace Willisson
- * Permission for non-profit use is hereby granted.
- * All other rights reserved.
- *
- * 1987, Robert McQueer, added:
- * -w option & handling of extra legal word characters
- * -d option for alternate dictionary file
- * -p option & WORDLIST variable for alternate personal dictionary
- * -x option to suppress .bak files.
- * 8 bit text & config.h parameters
- * 1987, Geoff Kuenning, added:
- * -c option for creating suffix suggestions from raw words
- * suffixes in personal dictionary file
- * hashed personal dictionary file
- * -S option for unsorted word lists
- * 1987, Greg Schaffer, added:
- * -T option (for TeX and LaTeX instead of troff) [later changed to -t]
- * passes over \ till next whitespace.
- * does not recognize % (comment)
- */
-
- #include <stdio.h>
- #include <ctype.h>
- #include <sys/param.h>
- #if defined(USG) || defined(atarist)
- #include <sys/types.h>
- #endif
- #include <sys/stat.h>
- #include "config.h"
- #include "ispell.h"
- #include "version.h"
-
- #define ISTEXTERM(c) (((c) == '{') || \
- ((c) == '}') || \
- ((c) == '[') || \
- ((c) == ']'))
-
- FILE *infile;
- FILE *outfile;
-
- char hashname[MAXPATHLEN];
-
- extern struct dent *treeinsert();
- extern char *upcase ();
- extern char *lowcase ();
-
- extern char *rindex();
- extern char *strcpy ();
-
- /*
- ** we use extended character set range specifically to allow intl.
- ** character set characters. We are being REALLY paranoid about indexing
- ** this array - explicitly cast into unsigned INTEGER, then mask
- ** If NO8BIT is set, text will be masked to ascii range.
- */
- static int Trynum;
- #ifdef NO8BIT
- static char Try[128];
- static char Checkch[128];
- #define iswordch(X) (Checkch[((unsigned)(X))&0x7f])
- #else
- static char Try[256];
- static char Checkch[256];
- #define iswordch(X) (Checkch[((unsigned)(X))&0xff])
- #endif
-
- static int sortit = 1;
-
- givehelp ()
- {
- erase ();
- printf ("Whenever a word is found that is not in the dictionary,\r\n");
- printf ("it is printed on the first line of the screen. If the dictionary\r\n");
- printf ("contains any similar words, they are listed with a single digit\r\n");
- printf ("next to each one. You have the option of replacing the word\r\n");
- printf ("completely, or choosing one of the suggested words.\r\n");
- printf ("\r\n");
- printf ("Commands are:\r\n\r\n");
- printf ("R Replace the misspelled word completely.\r\n");
- printf ("Space Accept the word this time only\r\n");
- printf ("A Accept the word for the rest of this file.\r\n");
- printf ("I Accept the word, and put it in your private dictionary.\r\n");
- printf ("0-9 Replace with one of the suggested words.\r\n");
- printf ("L Look up words in system dictionary.\r\n");
- printf ("Q Write the rest of this file, ignoring misspellings, ");
- printf ( "and start next file.\r\n");
- printf ("X Exit immediately. Asks for confirmation. ");
- printf ( "Leaves file unchanged.\r\n");
- printf ("! Shell escape.\r\n");
- printf ("^L Redraw screen.\r\n");
- printf ("\r\n\r\n");
- printf ("-- Type space to continue --");
- fflush (stdout);
- while (getchar () != ' ')
- ;
- }
-
-
- char *getline();
-
- int cflag = 0;
- int lflag = 0;
- int incfileflag = 0;
- int aflag = 0;
- int fflag = 0;
- #if !defined(USG) && !defined(atarist)
- int sflag = 0;
- #endif
- int xflag = 0;
- int tflag = 0;
-
- char *askfilename;
-
- static char *Cmd;
-
- usage ()
- {
- fprintf (stderr,
- "Usage: %s [-dfile | -pfile | -wchars | -t | -x | -S] file .....\n",
- Cmd);
- fprintf (stderr,
- " %s [-dfile | -pfile | -wchars | -t] -l\n",
- Cmd);
- #if !defined(USG) && !defined(atarist)
- fprintf (stderr,
- " %s [-dfile | -pfile | -ffile | -t | -s] {-a | -A}\n",
- Cmd);
- #else
- fprintf (stderr,
- " %s [-dfile | -pfile | -ffile | -t] {-a | -A}\n",
- Cmd);
- #endif
- fprintf (stderr, " %s [-wchars] -c\n", Cmd);
- fprintf (stderr, " %s -v\n", Cmd);
- exit (1);
- }
-
- static initckch()
- {
- register int c;
-
- Trynum = 0;
- #ifdef NO8BIT
- for (c = 0; c < 128; ++c) {
- #else
- for (c = 0; c < 256; ++c) {
- #endif
- if (myalpha((char) c)) {
- Checkch[c] = (char) 1;
- if (myupper((char) c)) {
- Try[Trynum] = (char) c;
- ++Trynum;
- }
- }
- else
- Checkch[c] = (char) 0;
- }
- }
-
- main (argc, argv)
- char **argv;
- {
- char *p;
- char *cpd;
- char num[4];
- unsigned mask;
- static char outbuf[BUFSIZ];
- extern char *getenv();
-
- Cmd = *argv;
-
- initckch();
- #ifdef atarist
- if((p = getenv("LIB")) != NULL)
- sprintf(hashname,"%s/%s",p,DEFHASH);
- else
- #endif
- sprintf(hashname,"%s/%s",LIBDIR,DEFHASH);
-
- cpd = NULL;
-
- argv++;
- argc--;
- while (argc && **argv == '-') {
- switch ((*argv)[1]) {
- case 'v':
- printf ("%s\n", Version_ID);
- exit (0);
- case 't':
- tflag++;
- break;
- case 'A':
- incfileflag = 1;
- aflag = 1;
- break;
- case 'a':
- aflag++;
- break;
- case 'c':
- cflag++;
- lflag++;
- break;
- case 'x':
- xflag++;
- break;
- case 'f':
- fflag++;
- p = (*argv)+2;
- if (*p == '\0') {
- argv++; argc--;
- if (argc == 0)
- usage ();
- p = *argv;
- }
- askfilename = p;
- break;
- case 'l':
- lflag++;
- break;
- #if !defined(USG) && !defined(atarist)
- case 's':
- sflag++;
- break;
- #endif
- case 'S':
- sortit = 0;
- break;
- case 'p':
- cpd = (*argv)+2;
- if (*cpd == '\0') {
- argv++; argc--;
- if (argc == 0)
- usage ();
- cpd = *argv;
- }
- break;
- case 'd':
- p = (*argv)+2;
- if (*p == '\0') {
- argv++; argc--;
- if (argc == 0)
- usage ();
- p = *argv;
- }
- if (*p == '/')
- strcpy(hashname,p);
- else
- sprintf(hashname,"%s/%s",LIBDIR,p);
- break;
- case 'w':
- num[3] = '\0';
- #ifdef NO8BIT
- mask = 0x7f;
- #else
- mask = 0xff;
- #endif
- p = (*argv)+2;
- if (*p == '\0') {
- argv++; argc--;
- if (argc == 0)
- usage ();
- p = *argv;
- }
- while (Trynum <= mask && *p != '\0') {
- if (*p != 'n' && *p != '\\') {
- Checkch[((unsigned)(*p))&mask] = (char) 1;
- Try[Trynum] = *p & mask;
- ++p;
- }
- else {
- ++p;
- num[0] = '\0';
- num[1] = '\0';
- num[2] = '\0';
- num[3] = '\0';
- if (isdigit (p[0]))
- num[0] = p[0];
- if (isdigit (p[1]))
- num[1] = p[1];
- if (isdigit (p[2]))
- num[2] = p[2];
- if (p[-1] == 'n') {
- p += strlen (num);
- num[0] = atoi (num);
- }
- else {
- p += strlen (num);
- if (num[0])
- num[0] -= '0';
- if (num[1]) {
- num[0] <<= 3;
- num[0] += num[1] - '0';
- }
- if (num[2]) {
- num[0] <<= 3;
- num[0] += num[2] - '0';
- }
- }
- Try[Trynum] = num[0] & mask;
- Checkch[num[0] & mask] = 1;
- }
- ++Trynum;
- }
- break;
- default:
- usage();
- }
- argv++; argc--;
- }
-
- if (!argc && !lflag && !aflag)
- usage ();
-
- if (linit () < 0)
- exit (0);
-
- treeinit (cpd);
-
- if (aflag) {
- askmode ();
- exit (0);
- }
-
- setbuf (stdout, outbuf);
- if (lflag) {
- infile = stdin;
- checkfile ();
- exit (0);
- }
-
- terminit ();
-
- while (argc--)
- dofile (*argv++);
-
- done ();
- }
-
- char firstbuf[BUFSIZ], secondbuf[BUFSIZ];
- char *currentchar;
- char token[BUFSIZ];
-
- int quit;
-
- char *currentfile = NULL;
-
- dofile (filename)
- char *filename;
- {
- int c;
- char bakfile[256];
- struct stat statbuf;
- char *cp;
-
- currentfile = filename;
-
- if ((infile = fopen (filename, "r")) == NULL) {
- fprintf (stderr, "Can't open %s\r\n", filename);
- sleep (2);
- return;
- }
-
- if (access (filename, 2) < 0) {
- fprintf (stderr, "Can't write to %s\r\n", filename);
- sleep (2);
- return;
- }
-
- fstat (fileno (infile), &statbuf);
- #ifdef atarist
- {
- char *p, c;
- extern char *getenv();
-
- if((p = getenv("TEMP")) != NULL)
- {
- strcpy(tempfile, p);
- c = p[(strlen(p) - 1)];
- if((c != '/') || (c != '\\'))
- strcat(tempfile,"/");
- }
- }
- #endif
- strcpy(tempfile, TEMPNAME);
- mktemp (tempfile);
- chmod (tempfile, statbuf.st_mode);
- if ((outfile = fopen (tempfile, "w")) == NULL) {
- fprintf (stderr, "Can't create %s\r\n", tempfile);
- sleep (2);
- return;
- }
-
- quit = 0;
-
- /* See if the file is a .tex file. If so, set the appropriate flag. */
- if ((cp = rindex (filename, '.')) != NULL && strcmp (cp, ".tex") == 0)
- tflag = 1;
- checkfile ();
-
- fclose (infile);
- fclose (outfile);
-
- if (!cflag)
- treeoutput ();
-
- if ((infile = fopen (tempfile, "r")) == NULL) {
- fprintf (stderr, "temporary file disappeared (%s)\r\n", tempfile);
- sleep (2);
- return;
- }
-
- #ifndef atarist
- sprintf(bakfile, "%s%s", filename, BAKEXT);
- if(link(filename, bakfile) == 0)
- unlink(filename);
- #else
- {
- char *p;
- strcpy(bakfile, filename);
- p = rindex(bakfile, '.');
- if(p != NULL)
- {
- *p = '\0';
- strcat(bakfile, BAKEXT);
- }
- else
- {
- strcat(bakfile, ".");
- strcat(bakfile, BAKEXT);
- }
- rename(filename, bakfile);
- }
- #endif
-
- /* if we can't write new, preserve .bak regardless of xflag */
- if ((outfile = fopen (filename, "w")) == NULL) {
- fprintf (stderr, "can't create %s\r\n", filename);
- sleep (2);
- return;
- }
-
- chmod (filename, statbuf.st_mode);
-
- while ((c = getc (infile)) != EOF)
- putc (c, outfile);
-
- fclose (infile);
- fclose (outfile);
-
- unlink (tempfile);
- if (xflag)
- unlink(bakfile);
- }
-
- checkfile ()
- {
- register int c;
- register char *p;
- register int len;
-
- secondbuf[0] = 0;
-
- while (1) {
- strcpy (firstbuf, secondbuf);
- if (quit) { /* quit can't be set in l mode */
- while (fgets (secondbuf, sizeof secondbuf, infile) != NULL)
- fputs (secondbuf, outfile);
- break;
- }
-
- if (fgets (secondbuf, sizeof secondbuf, infile) == NULL)
- break;
- currentchar = secondbuf;
-
- len = strlen (secondbuf) - 1;
-
- if(!tflag) {
- /* skip over .if */
- if (strncmp(currentchar,".if t",5) == 0
- || strncmp(currentchar,".if n",5) == 0) {
- copyout(¤tchar,5);
- while (*currentchar && isspace(*currentchar))
- copyout(¤tchar, 1);
- }
-
- /* skip over .ds XX or .nr XX */
- if (strncmp(currentchar,".ds ",4) == 0
- || strncmp(currentchar,".de ",4) == 0
- || strncmp(currentchar,".nr ",4) == 0) {
- copyout(¤tchar, 3);
- while (*currentchar && isspace(*currentchar))
- copyout(¤tchar, 1);
- while (*currentchar && !isspace(*currentchar))
- copyout(¤tchar, 1);
- if (*currentchar == 0) {
- if (!lflag) putc ('\n', outfile);
- continue;
- }
- }
- }
-
- if (secondbuf [ len ] == '\n')
- secondbuf [ len ] = 0;
-
- /* if this is a formatter command, skip over it */
- if (!tflag && *currentchar == '.') {
- while (*currentchar && !myspace (*currentchar)) {
- if (!lflag)
- putc (*currentchar, outfile);
- currentchar++;
- }
- if (*currentchar == 0) {
- if (!lflag)
- putc ('\n', outfile);
- continue;
- }
- }
-
- while (1) {
- while (*currentchar && !iswordch(*currentchar)) {
- if (tflag) /* TeX or LaTeX stuff */
- {
- if (*currentchar == '\\') {
- /* skip till whitespace */
- while (*currentchar &&
- (!isspace(*currentchar) &&
- !ISTEXTERM(*currentchar))) {
- if (!lflag)
- putc(*currentchar, outfile);
- currentchar++;
- }
- continue;
- }
- }
- else
- {
- /* formatting escape sequences */
- if (*currentchar == '\\') {
- switch ( currentchar [1] ) {
- case 'f':
- if(currentchar[2] != '(') {
- /* font change: \fX */
- copyout(¤tchar, 3);
- }
- else {
- /* font change: \f(XY */
- copyout(¤tchar, 5);
- }
- continue;
- case 's':
- /* size change */
- p = currentchar + 2;
- if (*p == '+' || *p == '-')
- p++;
- /* This looks wierd 'cause we assume
- ** *p is now a digit.
- */
- if (isdigit (p[1]))
- p++;
- copyout (¤tchar,
- p - currentchar + 1);
- continue;
- case '(':
- /* extended char set escape: \(XX */
- copyout(¤tchar, 4);
- continue;
- case '*':
- if ( currentchar[2] != '(' )
- copyout(¤tchar, 3);
- else
- copyout(¤tchar, 5);
- continue;
- default:
- break;
- }
- }
- }
-
- if (!lflag)
- putc (*currentchar, outfile);
- currentchar++;
- }
-
- if (*currentchar == 0)
- break;
-
- p = token;
- while (iswordch(*currentchar) ||
- (*currentchar == '\'' &&
- iswordch(*(currentchar + 1))))
- *p++ = *currentchar++;
- *p = 0;
- if (lflag) {
- if (!good (token) && !cflag)
- printf ("%s\n", token);
- } else {
- if (!quit)
- correct (token, ¤tchar);
- }
- if (!lflag)
- fprintf (outfile, "%s", token);
- }
- if (!lflag)
- putc ('\n', outfile);
- }
- }
-
- #define MAXPOSSIBLE 100 /* Max no. of possibilities to generate */
-
- char possibilities[MAXPOSSIBLE][BUFSIZ];
- int pcount;
- int maxposslen;
-
- correct (token, currentchar)
- char *token;
- char **currentchar;
- {
- register int c;
- register int i;
- int col_ht;
- int ncols;
- register char *p;
- char *start_l2;
- char *begintoken;
-
- begintoken = *currentchar - strlen (token);
-
- checkagain:
- if (good (token))
- return;
-
- erase ();
- printf (" %s", token);
- if (currentfile)
- printf (" File: %s", currentfile);
- printf ("\r\n\r\n");
-
- makepossibilities (token);
-
- /*
- * Make sure we have enough room on the screen to hold the
- * possibilities. Reduce the list if necessary. co / (maxposslen + 8)
- * is the maximum number of columns that will fit.
- */
- col_ht = li - 6; /* Height of columns of words */
- ncols = co / (maxposslen + 8);
- if (pcount > ncols * col_ht)
- pcount = ncols * col_ht;
-
- #ifdef EQUAL_COLUMNS
- /*
- * Equalize the column sizes. The last column will be short.
- */
- col_ht = (pcount + ncols - 1) / ncols;
- #endif
-
- for (i = 0; i < pcount; i++) {
- move (2 + (i % col_ht), (maxposslen + 8) * (i / col_ht));
- printf ("%2d: %s", i, possibilities[i]);
- }
-
- move (li - 3, 0);
- show_line (firstbuf, firstbuf, 0);
-
- start_l2 = secondbuf;
- if (line_size (secondbuf, *currentchar) > co - 1) {
- start_l2 = begintoken - (co / 2);
- while (start_l2 < begintoken) {
- i = line_size (start_l2, *currentchar) + 1;
- if (i <= co)
- break;
- start_l2 += i - co;
- }
- if (start_l2 > begintoken)
- start_l2 = begintoken;
- if (start_l2 < secondbuf)
- start_l2 = secondbuf;
- }
- show_line (start_l2, begintoken, strlen (token));
-
-
- while (1) {
- fflush (stdout);
- switch (c = (getchar () & NOPARITY)) {
- #if !defined(USG) && !defined(atarist)
- case 'Z' & 037:
- stop ();
- erase ();
- goto checkagain;
- #endif
- case ' ':
- erase ();
- fflush (stdout);
- return;
- case 'x': case 'X':
- printf ("Are you sure you want to throw away your changes? ");
- fflush (stdout);
- c = (getchar () & NOPARITY);
- if (c == 'y' || c == 'Y') {
- erase ();
- fflush (stdout);
- done ();
- }
- putchar (7);
- goto checkagain;
- case 'i': case 'I':
- treeinsert (token, 1);
- erase ();
- fflush (stdout);
- return;
- case 'a': case 'A':
- treeinsert (token, 0);
- erase ();
- fflush (stdout);
- return;
- case 'L' & 037:
- goto checkagain;
- case '?':
- givehelp ();
- goto checkagain;
- case '!':
- {
- char buf[200];
- move (li - 1, 0);
- putchar ('!');
- if (getline (buf) == NULL) {
- putchar (7);
- erase ();
- fflush (stdout);
- goto checkagain;
- }
- printf ("\r\n");
- fflush (stdout);
- shellescape (buf);
- erase ();
- goto checkagain;
- }
- case 'r': case 'R':
- move (li - 1, 0);
- printf ("Replace with: ");
- if (getline (token) == NULL) {
- putchar (7);
- erase ();
- goto checkagain;
- }
- inserttoken (secondbuf, begintoken, token, currentchar);
- erase ();
- goto checkagain;
- case '0': case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
- i = c - '0';
- if (pcount > 10
- && i > 0 && i <= (pcount - 1) / 10) {
- c = getchar () & NOPARITY;
- if (c >= '0' && c <= '9')
- i = i * 10 + c - '0';
- else if (c != '\r' && c != '\n') {
- putchar (7);
- break;
- }
- }
- if (i < pcount) {
- strcpy (token, possibilities[i]);
- inserttoken (secondbuf, begintoken,
- token, currentchar);
- erase ();
- return;
- }
- putchar (7);
- break;
- case '\r': /* This makes typing \n after single digits */
- case '\n': /* ..less obnoxious */
- break;
- case 'l': case 'L':
- {
- char buf[100];
- move (li - 1, 0);
- printf ("Lookup string ('*' is wildcard): ");
- if (getline (buf) == NULL) {
- putchar (7);
- erase ();
- goto checkagain;
- }
- printf ("\r\n\r\n");
- fflush (stdout);
- lookharder (buf);
- erase ();
- goto checkagain;
- }
- case 'q': case 'Q':
- quit = 1;
- erase ();
- fflush (stdout);
- return;
- default:
- putchar (7);
- break;
- }
- }
- }
-
- show_line (line, invstart, invlen)
- register char *line;
- register char *invstart;
- register int invlen;
- {
- register int width;
-
- width = 0;
- while (line != invstart && width < co - 1)
- width += show_char (*line++, width);
- if (invlen) {
- inverse ();
- while (--invlen >= 0 && width < co - 1)
- width += show_char (*line++, width);
- normal ();
- }
- while (*line && width < co - 1)
- width += show_char (*line++, width);
- printf ("\r\n");
- }
-
- show_char (ch, linew)
- register int ch;
- int linew;
- {
- if (ch == '\t') {
- putchar ('\t');
- return 8 - (linew & 0x07);
- }
- else if (ch < ' ') {
- putchar ('^');
- putchar (ch + 'A' - '\001');
- return 2;
- }
- putchar (ch);
- return 1;
- }
-
- line_size (buf, bufend)
- register char *buf;
- register char *bufend;
- {
- register int width;
-
- for (width = 0; buf < bufend && *buf; buf++) {
- if (*buf == '\t')
- width = (width + 8) & ~0x07;
- else if (*buf < ' ')
- width += 2;
- else
- width++;
- }
- return width;
- }
-
- inserttoken (buf, start, token, currentchar)
- char *buf, *start;
- register char *token;
- char **currentchar;
- {
- char copy[BUFSIZ];
- register char *p, *q;
-
- strcpy (copy, buf);
-
- for (p = buf, q = copy; p != start; p++, q++)
- *p = *q;
- q += *currentchar - start;
- while (*token && iswordch (*token))
- *p++ = *token++;
- *currentchar = p;
- if (*token) {
-
- /*
- ** The token changed to two words. Split it up and save the
- ** second one for later.
- */
-
- *p++ = *token;
- *token++ = '\0';
- while (*token)
- *p++ = *token++;
- }
- while (*p++ = *q++)
- ;
- }
-
- int casecmp (a, b)
- char *a;
- char *b;
- {
- register char *ap;
- register char *bp;
-
- for (ap = a, bp = b; *ap; ap++, bp++) {
- if (mylower (*ap)) {
- if (mylower (*bp)) {
- if (*ap != *bp)
- return *ap - *bp;
- }
- else {
- if (toupper (*ap) != *bp)
- return toupper (*ap) - *bp;
- }
- }
- else {
- if (myupper (*bp)) {
- if (*ap != *bp)
- return *ap - *bp;
- }
- else {
- if (tolower (*ap) != *bp)
- return tolower (*ap) - *bp;
- }
- }
- }
- if (*bp != '\0')
- return -*bp;
- return strcmp (a, b);
- }
-
- makepossibilities (word)
- register char *word;
- {
- register int i;
-
- for (i = 0; i < MAXPOSSIBLE; i++)
- possibilities[i][0] = 0;
- pcount = 0;
- maxposslen = 0;
-
- #ifdef CAPITALIZE
- wrongcapital (word);
- #endif
- if (pcount < MAXPOSSIBLE) wrongletter (word);
- if (pcount < MAXPOSSIBLE) extraletter (word);
- if (pcount < MAXPOSSIBLE) missingletter (word);
- if (pcount < MAXPOSSIBLE) transposedletter (word);
-
- if (sortit && pcount)
- qsort ((char *) possibilities, pcount,
- sizeof (possibilities[0]), casecmp);
- }
-
- insert (word)
- register char *word;
- {
- register int i;
-
- for (i = 0; i < pcount; i++)
- if (strcmp (possibilities[i], word) == 0)
- return (0);
-
- strcpy (possibilities[pcount++], word);
- i = strlen (word);
- if (i > maxposslen)
- maxposslen = i;
- if (pcount >= MAXPOSSIBLE)
- return (-1);
- else
- return (0);
- }
-
- #ifdef CAPITALIZE
- wrongcapital (word)
- register char *word;
- {
- char newword[BUFSIZ];
-
- /*
- ** All-uppercase is always legal. If the word matches, "ins_cap"
- ** will recapitalize it correctly.
- */
- strcpy (newword, word);
- upcase (newword);
- if (good (newword))
- return ins_cap (newword, word);
- return 0;
- }
- #endif
-
- wrongletter (word)
- register char *word;
- {
- register int i, j, c, n;
- char newword[BUFSIZ];
-
- n = strlen (word);
- strcpy (newword, word);
- #ifdef CAPITALIZE
- upcase (newword);
- #endif
-
- for (i = 0; i < n; i++) {
- for (j=0; j < Trynum; ++j) {
- newword[i] = Try[j];
- if (good (newword)) {
- if (ins_cap (newword, word) < 0)
- return;
- }
- }
- #ifdef CAPITALIZE
- c = word[i];
- if (islower (c))
- newword[i] = toupper (c);
- else
- newword[i] = c;
- #else
- newword[i] = word[i];
- #endif
- }
- }
-
- extraletter (word)
- register char *word;
- {
- char newword[BUFSIZ];
- register char *p, *s, *t;
-
- if (strlen (word) < 3)
- return;
-
- for (p = word; *p; p++) {
- for (s = word, t = newword; *s; s++)
- if (s != p)
- *t++ = *s;
- *t = 0;
- #ifdef CAPITALIZE
- if (good (upcase (newword))) {
- if (ins_cap (newword, word) < 0)
- return;
- }
- #else
- if (good (newword)) {
- if (ins_cap (newword, word) < 0)
- return;
- }
- #endif
- }
- }
-
- missingletter (word)
- char word[];
- {
- char newword[BUFSIZ];
- register char *p, *r, *s, *t;
- register int i;
-
- for (p = word; p == word || p[-1]; p++) {
- for (s = newword, t = word; t != p; s++, t++)
- *s = *t;
- r = s++;
- while (*t)
- *s++ = *t++;
- *s = 0;
- for (i=0; i < Trynum; ++i) {
- *r = Try[i];
- #ifdef CAPITALIZE
- if (good (upcase (newword))) {
- if (ins_cap (newword, word) < 0)
- return;
- }
- #else
- if (good (newword)) {
- if (ins_cap (newword, word) < 0)
- return;
- }
- #endif
- }
- }
- }
-
- transposedletter (word)
- register char *word;
- {
- char newword[BUFSIZ];
- register int t;
- register char *p;
-
- strcpy (newword, word);
- for (p = newword; p[1]; p++) {
- t = p[0];
- p[0] = p[1];
- p[1] = t;
- #ifdef CAPITALIZE
- if (good (upcase (newword))) {
- if (ins_cap (newword, word) < 0)
- return;
- }
- #else
- if (good (newword)) {
- if (ins_cap (newword, word) < 0)
- return;
- }
- #endif
- t = p[0];
- p[0] = p[1];
- p[1] = t;
- }
- }
-
- /* Insert one or more correctly capitalized versions of pattern */
- ins_cap (word, pattern)
- register char *word, *pattern;
- {
- static char newword[BUFSIZ];
- register char *p, *q;
- char *psave;
- register int wcount;
-
- if (*word == 0)
- return;
-
- strcpy (newword, word);
- #ifdef CAPITALIZE
- if (lastdent->allcaps)
- return insert (upcase (newword)); /* Uppercase required */
- for (p = pattern; *p; p++)
- if (mylower (*p))
- break;
- if (*p == '\0')
- return insert (upcase (newword)); /* Pattern was all caps */
- for (p = pattern; *p; p++)
- if (myupper (*p))
- break;
- if (*p == '\0') { /* Pattern was all lower */
- if (!lastdent->followcase && !lastdent->capitalize)
- return insert (lowcase (newword));
- /*
- ** If there's a followcase version that's all-lower,
- ** insert only that version.
- */
- if (lastdent->followcase) {
- p = lastdent->word;
- p += strlen (p) + 1;
- wcount = (*p++ & 0xFF);
- while (--wcount >= 0) {
- for (psave = ++p;
- *p && !myupper (*p);
- p++)
- ;
- if (*p == '\0') /* Was it all lowercase? */
- return insert (psave); /* Yup, quit */
- while (*p++)
- ; /* Skip to next case sample */
- }
- }
- }
- /*
- ** The sample wasn't all-upper, and either it wasn't all-lower or
- ** all-lower is illegal. Insert all legal capitalizations. In
- ** some cases, this may include all-lowercase.
- */
- if (lastdent->capitalize) {
- lowcase (newword);
- if (mylower (newword[0]))
- newword[0] = toupper (newword[0]);
- insert (newword);
- }
- if (lastdent->followcase) {
- p = lastdent->word;
- p += strlen (p) + 1;
- wcount = (*p++ & 0xFF);
- while (--wcount >= 0) {
- /* Insert every variation; it's easier */
- if (insert (++p) < 0)
- return -1;
- while (*p++)
- ; /* Skip to end of sample */
- }
- return 0;
- }
- if (lastdent->capitalize)
- return 0;
- /*
- ** We get here only if none of the special capitalization flags are
- ** set. If first letter of the pattern is capitalized, capitalize
- ** the first letter of the result. Otherwise produce all lowercase.
- */
- lowcase (newword);
- if (myupper (pattern[0]) && mylower (newword[0]))
- newword[0] = toupper (newword[0]);
- return insert (newword);
- #else
- if (myupper (pattern[0])) {
- if (myupper (pattern[1])) {
- for (p = word, q = newword; *p; p++, q++) {
- if (mylower (*p))
- *q = toupper (*p);
- else
- *q = *p;
- }
- *q = 0;
- } else {
- if (mylower (word [0]))
- newword[0] = toupper (word[0]);
- else
- newword[0] = word[0];
-
- for (p = word + 1, q = newword + 1; *p; p++, q++)
- if (myupper (*p))
- *q = tolower (*p);
- else
- *q = *p;
-
- *q = 0;
- }
- } else {
- for (p = word, q = newword; *p; p++, q++)
- if (myupper (*p))
- *q = tolower (*p);
- else
- *q = *p;
- *q = 0;
- }
- return insert (newword);
- #endif
- }
-
- char *
- getline (s)
- register char *s;
- {
- register char *p;
- register int c;
-
- p = s;
-
- while (1) {
- fflush (stdout);
- c = (getchar () & NOPARITY);
- if (c == '\\') {
- putchar ('\\');
- fflush (stdout);
- c = (getchar () & NOPARITY);
- backup ();
- putchar (c);
- *p++ = c;
- } else if (c == ('G' & 037)) {
- return (NULL);
- } else if (c == '\n' || c == '\r') {
- *p = 0;
- return (s);
- } else if (c == erasechar) {
- if (p != s) {
- p--;
- backup ();
- putchar (' ');
- backup ();
- }
- } else if (c == killchar) {
- while (p != s) {
- p--;
- backup ();
- putchar (' ');
- backup ();
- }
- } else {
- *p++ = c;
- putchar (c);
- }
- }
- }
-
- askmode ()
- {
- char buf[BUFSIZ];
- register int i;
-
- if (fflag) {
- if (freopen (askfilename, "w", stdout) == NULL) {
- fprintf (stderr, "Can't create %s\n", askfilename);
- exit (1);
- }
- }
-
- setbuf (stdin, NULL);
- setbuf (stdout, NULL);
-
- while (xgets (buf) != NULL) {
- /* *line is like `i', @line is like `a' */
- if (buf[0] == '*' || buf[0] == '@') {
- treeinsert(buf + 1, buf[0] == '*');
- printf("*\n");
- treeoutput ();
- } else if (good (buf)) {
- if (rootword[0] == 0) {
- printf ("*\n"); /* perfect match */
- } else {
- printf ("+ %s\n", rootword);
- }
- } else {
- makepossibilities (buf);
- if (possibilities[0][0]) {
- printf ("& ");
- for (i = 0; i < MAXPOSSIBLE; i++) {
- if (possibilities[i][0] == 0)
- break;
- printf ("%s ", possibilities[i]);
- }
- printf ("\n");
- } else {
- printf ("#\n");
- }
- }
- #if !defined(USG) && !defined(atarist)
- if (sflag) {
- stop ();
- if (fflag) {
- rewind (stdout);
- creat (askfilename, 0666);
- }
- }
- #endif
- }
- }
-
- /* Copy/ignore "cnt" number of characters pointed to by *cc. */
- copyout(cc, cnt)
- register char **cc;
- register cnt;
- {
- while (--cnt >= 0) {
- if (*(*cc) == 0)
- break;
- if (!lflag)
- putc (*(*cc), outfile);
- (*cc)++;
- }
- }
-
- lookharder(string)
- char *string;
- {
- char cmd[150], grepstr[100];
- register char *g, *s;
- register int wild = 0;
-
- g = grepstr;
- for (s = string; *s != '\0'; s++)
- if (*s == '*') {
- wild++;
- *g++ = '.';
- *g++ = '*';
- } else
- *g++ = *s;
- *g = '\0';
- if (grepstr[0]) {
- #ifdef LOOK
- if (wild)
- /* string has wild card characters */
- sprintf (cmd, "%s '^%s$' %s", EGREPCMD, grepstr, WORDS);
- else
- /* no wild, use look(1) */
- sprintf (cmd, "%s %s %s", LOOK, grepstr, WORDS);
- #else
- sprintf (cmd, "%s '^%s$' %s", EGREPCMD, grepstr, WORDS);
- #endif
- shellescape (cmd);
- }
- }
-