antoine-source/appleworksgs/Spell/Src/CORRSUBR.C

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2023-03-04 02:45:20 +00:00
/***********************************************************************\ Filename: corrsubr.c \***********************************************************************/ #include <stdio.h> #include <language.h> #include "clxtypo.h" #include "lex.h" #include "corelex.h" #include "correct.h" #include "environ.h" #include "spath.h" CORRECT Corinfo; /* The correction globals. */ /* Add an alternative to the ranked list, using Coorder to order it by theta-similarity. */ void rankalt(word, thetaval, flags) char *word; unsigned thetaval; int flags; { ALTINFO *alt; unsigned int try; unsigned int pos; unsigned int altindex; unsigned int dupalt; unsigned int count; /* printf("in rank: %s, %04x\n", word, thetaval);*/ /* find position to insert at. */ count = Corcount; for (try = 0; try < count; ++try) { alt = &Coranklist[Coorder[try]]; if (thetaval > alt->al_simil) break; /* if a duplicate alternative is found with a higher similarity, don't bother inserting */ if (flags == alt->al_flags && strcmp(word, alt->al_word) == 0) return; } pos = try; /* check whether the alternative is duplicated at or below the position to insert at */ dupalt = FALSE; for (; try < count; ++try) { alt = &Coranklist[Coorder[try]]; if (flags == alt->al_flags && strcmp(word, alt->al_word) == 0) { dupalt = TRUE; break; } } /* if a duplicate alternative was found with a lower similarity, substitute in the new similarity and move it up in the list */ /* otherwise, fill in a new ALTINFO structure -- the bottom one if the list is full, or just the next available one */ if (dupalt) { altindex = Coorder[try]; alt->al_simil = thetaval; } else { if (count == _SPListAlts) altindex = Coorder[_SPListAlts - 1]; else altindex = count; alt = &Coranklist[altindex]; strecpy(alt->al_word, word); alt->al_flags = flags; alt->al_simil = thetaval; /* increment the count if the list isn't already full */ if (count < _SPListAlts) ++Corcount; } /* make space for the new alternative (or for the old alternative, with its new similarity) */ for (; try > pos; --try) Coorder[try] = Coorder[try - 1]; /* insert the new alternative */ Coorder[pos] = altindex; /* If the inserted alternate is at the end of the list then update the minrank value. */ if (pos == _SPListAlts - 1) Cominrank = thetaval; }