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# include "config.h"
# include <ind.h>
# include "indlocal.h"
# include <charnames.h>
# include <debugon.h>
/************************************************************************/
/* See whether a word is accepted. */
/* As this is a utility routine for spelling checking, the following */
/* attempts are made to accept it when it is not quite acceptable: */
/************************************************************************/
int indWRDget( IND * ind,
int * pWhatWasShifted,
const unsigned char * word,
int asPrefix,
const unsigned char * charKinds,
const unsigned char * charShifts )
{
static unsigned char * copy;
int l;
const unsigned char * r;
unsigned char * s;
int accepted;
int tn;
tn= indINDget( &accepted, ind, -1, word );
if ( tn >= 0 && ( accepted || asPrefix ) )
{ *pWhatWasShifted= INDhASIS; return 0; }
l= strlen( (char *)word );
copy= realloc( copy, l+ 2 );
if ( ! copy )
{ LDEB(copy); return -1; }
strcpy( (char *)copy, (const char *)word );
if ( charKinds[ word[0] ] & CHARisUPPER )
{
if ( word[0] == 'I' && word[1] == 'J' )
{
copy[0]= 'i'; copy[1]= 'j';
if ( indINDget( &accepted, ind, -1, copy ) >= 0 &&
( accepted || asPrefix ) )
{ *pWhatWasShifted= INDhIJUP; return 0; }
}
else{
if ( ! ( charKinds[ word[1] ] & CHARisUPPER ) )
{
copy[0]= charShifts[ word[0] ];
if ( indINDget( &accepted, ind, -1, copy ) >= 0 &&
( accepted || asPrefix ) )
{ *pWhatWasShifted= INDhFIRSTUP; return 0; }
}
}
/************************************************/
/* Shift down. */
/************************************************/
r= word; s= copy;
while( *r && ( charKinds[ *r ] & CHARisUPPER ) )
{
*s= charShifts[*r];
s++; r++;
}
/************************************************/
/* Not completely in upper case */
/************************************************/
if ( *r )
{ return -1; }
/************************************************/
/* Try shift down. */
/************************************************/
if ( indINDget( &accepted, ind, -1, copy ) >= 0 &&
( accepted || asPrefix ) )
{ *pWhatWasShifted= INDhALLUP; return 0; }
/************************************************/
/* Try tail shifted down. */
/************************************************/
if ( word[0] == 'I' && word[1] == 'J' )
{
copy[0]= word[0]; copy[1]= word[1];
if ( indINDget( &accepted, ind, -1, copy ) >= 0 &&
( accepted || asPrefix ) )
{ *pWhatWasShifted= INDhIJTAILUP; return 0; }
}
else{
copy[0]= word[0];
if ( indINDget( &accepted, ind, -1, copy ) >= 0 &&
( accepted || asPrefix ) )
{ *pWhatWasShifted= INDhTAILUP; return 0; }
}
}
return -1;
}
/************************************************************************/
/* Generate guesses for a word. */
/************************************************************************/
int indWRDguess( IND * ind,
const unsigned char * word,
SpellGuessContext * sgc,
const GuessSubstitution * typos,
int count,
const unsigned char * charKinds,
const unsigned char * charShifts )
{
int l;
static unsigned char * copy;
const unsigned char * r;
unsigned char * s;
l= strlen( (char *)word );
copy= realloc( copy, l+ 2 );
if ( ! copy )
{ LDEB(copy); return -1; }
strcpy( (char *)copy, (const char *)word );
if ( charKinds[ word[0] ] & CHARisUPPER )
{
if ( word[0] == 'I' && word[1] == 'J' )
{
copy[0]= 'i'; copy[1]= 'j';
indINDguess( ind, copy, sgc, INDhIJUP,
typos, count, charKinds, charShifts );
}
else{
if ( ! ( charKinds[ word[1] ] & CHARisUPPER ) )
{
copy[0]= charShifts[ word[0] ];
indINDguess( ind, copy, sgc, INDhFIRSTUP,
typos, count, charKinds, charShifts );
}
}
/************************************************/
/* Shift down. */
/************************************************/
r= word; s= copy;
while( *r && ( charKinds[ *r ] & CHARisUPPER ) )
{
*s= charShifts[*r];
s++; r++;
}
/************************************************/
/* Not completely in upper case */
/************************************************/
if ( *r )
{ return 0; }
/************************************************/
/* Try shift down. */
/************************************************/
indINDguess( ind, copy, sgc, INDhALLUP,
typos, count, charKinds, charShifts );
/************************************************/
/* Try tail shifted down. */
/************************************************/
if ( word[0] == 'I' && word[1] == 'J' )
{
copy[0]= word[0]; copy[1]= word[1];
indINDguess( ind, copy, sgc, INDhIJTAILUP,
typos, count, charKinds, charShifts );
}
else{
copy[0]= word[0];
indINDguess( ind, copy, sgc, INDhTAILUP,
typos, count, charKinds, charShifts );
}
}
else{
indINDguess( ind, word, sgc, INDhASIS,
typos, count, charKinds, charShifts );
}
return 0;
}
int indShiftWord( unsigned char * copy,
const unsigned char * word,
int how,
const unsigned char * charKinds,
const unsigned char * charShifts )
{
int i;
strcpy( (char *)copy, (const char *)word );
switch( how )
{
case INDhASIS:
break;
case INDhFIRSTUP:
if ( charKinds[ copy[0] ] & CHARisLOWER )
{ copy[0]= charShifts[ copy[0] ]; }
break;
case INDhIJUP:
if ( copy[0] == 'i' && copy[1] == 'j' )
{ copy[0]= 'I'; copy[1]= 'J'; }
break;
case INDhALLUP:
i= 0;
while( copy[i] )
{
if ( charKinds[ copy[i] ] & CHARisLOWER )
{ copy[i]= charShifts[ copy[i] ]; }
i++;
}
break;
case INDhTAILUP:
i= 0;
while( copy[i] )
{
if ( charKinds[ copy[i] ] & CHARisLOWER )
{ copy[i]= charShifts[ copy[i] ]; }
i++;
}
break;
case INDhIJTAILUP:
if ( copy[0] != 'I' || copy[1] != 'J' )
{ SDEB((char *)copy); return -1; }
i= 2;
while( copy[i] )
{
if ( charKinds[ copy[i] ] & CHARisLOWER )
{ copy[i]= charShifts[ copy[i] ]; }
i++;
}
break;
default:
LDEB(how); return -1;
}
return 0;
}
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