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1 line
2.7 KiB
C++
1 line
2.7 KiB
C++
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/***********************************************************************\
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;
}
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