#if !defined(lint) && !defined(DOS) static char rcsid[] = "$Id: spell.c,v 4.3 1993/06/15 21:14:50 erez Exp $"; #endif /* * Program: spell.c * * * Michael Seibel * Networks and Distributed Computing * Computing and Communications * University of Washington * Administration Builiding, AG-44 * Seattle, Washington, 98195, USA * Internet: mikes@cac.washington.edu * * Please address all bugs and comments to "pine-bugs@cac.washington.edu" * * Copyright 1991-1993 University of Washington * * Permission to use, copy, modify, and distribute this software and its * documentation for any purpose and without fee to the University of * Washington is hereby granted, provided that the above copyright notice * appears in all copies and that both the above copyright notice and this * permission notice appear in supporting documentation, and that the name * of the University of Washington not be used in advertising or publicity * pertaining to distribution of the software without specific, written * prior permission. This software is made available "as is", and * THE UNIVERSITY OF WASHINGTON DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, * WITH REGARD TO THIS SOFTWARE, INCLUDING WITHOUT LIMITATION ALL IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, AND IN * NO EVENT SHALL THE UNIVERSITY OF WASHINGTON BE LIABLE FOR ANY SPECIAL, * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, TORT * (INCLUDING NEGLIGENCE) OR STRICT LIABILITY, ARISING OUT OF OR IN CONNECTION * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * * Pine and Pico are trademarks of the University of Washington. * No commercial use of these trademarks may be made without prior * written permission of the University of Washington. * */ #include #include "osdep.h" #include "estruct.h" #ifdef SPELLER #include "edef.h" #include "pico.h" #ifdef ANSI void chword(char *, char *); int movetoword(char *); #else void chword(); int movetoword(); #endif #define NSHLINES 12 static char *spellhelp[] = { "Spell Check Help", " ", "\tThe spell checker examines all words in the text. It then", "\toffers each misspelled word for correction while simultaneously", "\thighlighting it in the text. To leave a word unchanged simply", "~\thit ~R~e~t~u~r~n at the edit prompt. If a word has been corrected,", "\teach occurrence of the incorrect word is offered for replacement.", " ", "~\tSpell checking can be canceled at any time by typing ~^~C (~F~3)", "\tafter exiting help.", " ", "End of Spell Check Help", " ", NULL }; /* * spell() - check for potentially missspelled words and offer them for * correction */ spell(f, n) { int status, next, khelp = 0, ret; FILE *p; char *b, *sp, *fn; char wb[NLINE], cb[NLINE]; char *writetmp(); FILE *P_open(); setimark(0, 1); emlwrite("Checking spelling..."); /* greetings */ if((fn = writetmp(0, 0)) == NULL){ emlwrite("Can't write temp file for spell checker"); return(-1); } if((sp = (char *)getenv("SPELL")) == NULL) sp = SPELLER; sprintf(s, "( %s ) < %s", sp, fn); if((p=P_open(s)) == NULL){ /* read output from command */ unlink(fn); emlwrite("Can't fork spell checker"); return(-1); } khelp = 0; ret = 1; while(fgets(wb, NLINE, p) != NULL && ret){ if((b = (char *)strchr(wb,'\n')) != NULL) *b = '\0'; strcpy(cb, wb); gotobob(0, 1); if(Pmaster == NULL) sgarbk = FALSE; status = TRUE; next = 1; while(status){ if(!khelp++) /* not too early */ wkeyhelp("GC0000000000", "Get Help,Cancel"); if(next++) if(movetoword(wb) != TRUE) break; update(); (*term.t_rev)(1); pputs(wb, 1); /* highlight word */ (*term.t_rev)(0); if(strcmp(cb, wb)){ sprintf(s, "Replace %s with %s", wb, cb); status=mlyesno(s, TRUE); } else status=mlreplyd("Edit a replacement: ", cb, NLINE, QDEFLT); curwp->w_flag |= WFMOVE; /* put cursor back */ update(); pputs(wb, 0); /* un-highlight */ switch(status){ case TRUE: chword(wb, cb); /* correct word */ case FALSE: update(); /* place cursor */ break; case ABORT: emlwrite("Spell Checking Cancelled", NULL); ret = FALSE; status = FALSE; break; case HELPCH: if(Pmaster) (*Pmaster->helper)(spellhelp, "Help with Spelling Checker", 1); else pico_help(spellhelp, "Help with Spelling Checker", 1); case (CTRL|'L'): next = 0; /* don't get next word */ khelp = 0; /* key help has changed */ sgarbf = TRUE; /* repaint full screen */ update(); status = TRUE; continue; default: emlwrite("Huh?"); /* shouldn't get here, but.. */ status = TRUE; sleep(1); break; } forwword(0, 1); /* goto next word */ } } P_close(p); /* clean up */ unlink(fn); swapimark(0, 1); curwp->w_flag |= WFHARD|WFMODE; if(Pmaster == NULL) sgarbk = TRUE; if(ret) emlwrite("Done checking spelling"); return(ret); } /* * chword() - change the given word, wp, pointed to by the curwp->w_dot * pointers to the word in cb */ void chword(wb, cb) char *wb; /* word buffer */ char *cb; /* changed buffer */ { ldelete(strlen(wb), 0); /* not saved in kill buffer */ while(*cb != '\0') linsert(1, *cb++); curwp->w_flag |= WFEDIT; } /* * movetoword() - move to the first occurance of the word w * * returns: * TRUE upon success * FALSE otherwise */ movetoword(w) char *w; { int i; int ret = FALSE; int olddoto; LINE *olddotp; register int off; /* curwp offset */ register LINE *lp; /* curwp line */ olddoto = curwp->w_doto; /* save where we are */ olddotp = curwp->w_dotp; curwp->w_bufp->b_mode |= MDEXACT; /* case sensitive */ while(forscan(&i, w, 1) == TRUE){ if(i) break; /* wrap NOT allowed! */ lp = curwp->w_dotp; /* for convenience */ off = curwp->w_doto; /* * We want to minimize the number of substrings that we report * as matching a misspelled word... */ if(off == 0 || !isalpha(lgetc(lp, off - 1).c)){ off += strlen(w); if((!isalpha(lgetc(lp, off).c) || off == llength(lp)) && lgetc(lp, 0).c != '>'){ ret = TRUE; break; } } forwchar(0, 1); /* move on... */ } curwp->w_bufp->b_mode ^= MDEXACT; /* case insensitive */ if(ret == FALSE){ curwp->w_dotp = olddotp; curwp->w_doto = olddoto; } else curwp->w_flag |= WFHARD; return(ret); } #endif /* SPELLER */