/* helper function */
static void do_charevod( int iSwitch )
{
if( HB_ISCHAR( 1 ) )
{
const char * pcString = hb_parc( 1 );
HB_SIZE sLen = hb_parclen( 1 );
char * pcResult;
HB_SIZE sPos, sResultPos;
if( sLen == 0 )
{
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
ct_error( ( HB_USHORT ) iArgErrorMode, EG_ARG,
iSwitch == DO_CHAREVOD_CHAREVEN ?
CT_ERROR_CHAREVEN : CT_ERROR_CHARODD,
NULL, HB_ERR_FUNCNAME, 0, EF_CANDEFAULT,
HB_ERR_ARGS_BASEPARAMS );
hb_retc_null();
return;
}
pcResult = ( char * ) hb_xgrab( ( sLen + 1 ) / 2 );
if( iSwitch == DO_CHAREVOD_CHAREVEN )
sPos = 1;
else
sPos = 0;
sResultPos = 0;
for( ; sPos < sLen; sPos += 2 )
pcResult[ sResultPos++ ] = pcString[ sPos ];
if( sResultPos == 0 )
hb_retc_null();
else
hb_retclen( pcResult, sResultPos );
hb_xfree( pcResult );
}
else
{
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG,
iSwitch == DO_CHAREVOD_CHAREVEN ?
CT_ERROR_CHAREVEN : CT_ERROR_CHARODD, NULL,
HB_ERR_FUNCNAME, 0, EF_CANSUBSTITUTE,
HB_ERR_ARGS_BASEPARAMS );
if( pSubst != NULL )
hb_itemReturnRelease( pSubst );
else
hb_retc_null();
}
}
/* helper function */
static void do_ascpos( int iSwitch )
{
if( HB_ISCHAR( 1 ) )
{
HB_SIZE sStrSize = hb_parclen( 1 );
const HB_BYTE * pcString = ( const HB_BYTE * ) hb_parc( 1 );
HB_SIZE sPos = hb_parnsdef( 2, sStrSize );
if( sPos == 0 || sPos > sStrSize )
hb_retni( 0 );
else
{
if( iSwitch == DO_ASCPOS_VALPOS )
{
if( HB_ISDIGIT( ( HB_UCHAR ) pcString[ sPos - 1 ] ) )
hb_retni( pcString[ sPos - 1 ] - '0' );
else
hb_retni( 0 );
}
else
hb_retni( pcString[ sPos - 1 ] );
}
}
else
{
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG,
iSwitch == DO_ASCPOS_VALPOS ?
CT_ERROR_VALPOS : CT_ERROR_ASCPOS, NULL,
HB_ERR_FUNCNAME, 0, EF_CANSUBSTITUTE,
HB_ERR_ARGS_BASEPARAMS );
if( pSubst != NULL )
hb_itemReturnRelease( pSubst );
else
hb_retni( 0 );
}
}
/* helper function for the charswap and wordswap functions */
static void do_charswap( int iSwitch )
{
/* suppress return value ? */
int iNoRet = ct_getref() && HB_ISBYREF( 1 );
/* param check */
if( HB_ISCHAR( 1 ) )
{
const char * pcString = hb_parc( 1 );
HB_SIZE sStrLen = hb_parclen( 1 );
char * pcRet;
HB_SIZE sRetIndex = 0;
int iShift, iMod;
const char * pcSub;
if( sStrLen == 0 )
{
if( iNoRet )
hb_ret();
else
hb_retc_null();
return;
}
if( iSwitch == DO_CHARSWAP_WORDSWAP )
{
iShift = 4;
if( hb_parl( 2 ) )
iSwitch = DO_CHARSWAP_WORDSWAP_CHARSWAP;
}
else
iShift = 2;
pcRet = ( char * ) hb_xgrab( sStrLen );
for( pcSub = pcString; pcSub < pcString + sStrLen + 1 - iShift; pcSub += iShift )
{
switch( iSwitch )
{
case DO_CHARSWAP_WORDSWAP:
pcRet[ sRetIndex++ ] = pcSub[ 2 ];
pcRet[ sRetIndex++ ] = pcSub[ 3 ];
pcRet[ sRetIndex++ ] = pcSub[ 0 ];
pcRet[ sRetIndex++ ] = pcSub[ 1 ];
break;
case DO_CHARSWAP_WORDSWAP_CHARSWAP:
pcRet[ sRetIndex++ ] = pcSub[ 3 ];
pcRet[ sRetIndex++ ] = pcSub[ 2 ];
/* no 'break' here !! */
case DO_CHARSWAP_CHARSWAP:
pcRet[ sRetIndex++ ] = pcSub[ 1 ];
pcRet[ sRetIndex++ ] = pcSub[ 0 ];
}
}
/* copy rest of string */
if( iSwitch == DO_CHARSWAP_WORDSWAP || iSwitch == DO_CHARSWAP_WORDSWAP_CHARSWAP )
iMod = sStrLen % 4;
else
iMod = sStrLen % 2;
for( pcSub = pcString + sStrLen - iMod; pcSub < pcString + sStrLen; pcSub++ )
pcRet[ sRetIndex++ ] = *pcSub;
/* return string */
hb_storclen( pcRet, sRetIndex, 1 );
if( iNoRet )
hb_retl( HB_FALSE );
else
hb_retclen( pcRet, sRetIndex );
hb_xfree( pcRet );
}
else
{
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
{
if( iSwitch == DO_CHARSWAP_CHARSWAP )
pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG,
CT_ERROR_CHARSWAP,
NULL, HB_ERR_FUNCNAME, 0, EF_CANSUBSTITUTE,
HB_ERR_ARGS_BASEPARAMS );
else
pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG,
CT_ERROR_WORDSWAP,
NULL, HB_ERR_FUNCNAME, 0, EF_CANSUBSTITUTE,
HB_ERR_ARGS_BASEPARAMS );
}
if( pSubst != NULL )
hb_itemReturnRelease( pSubst );
else if( iNoRet )
hb_retl( HB_FALSE );
else
hb_retc_null();
}
}
/* helper function for the justxxx() functions */
static void do_justify (int iSwitch)
{
int iNoRet;
iNoRet = ct_getref() && ISBYREF( 1 );
if (ISCHAR (1))
{
char *pcString = hb_parc (1);
size_t sStrLen = hb_parclen (1);
char cJustChar;
char *pc, *pcRet;
size_t sJustOffset;
if ( sStrLen == 0 )
{
if (iNoRet)
{
hb_ret();
}
else
{
hb_retc( "" );
}
return;
}
if (hb_parclen (2) > 0)
cJustChar = *(hb_parc (2));
else if (ISNUM (2))
cJustChar = (char)( hb_parnl (2) % 256 );
else
cJustChar = 0x20;
pcRet = ( char *)hb_xgrab (sStrLen);
switch (iSwitch)
{
case DO_JUSTIFY_JUSTLEFT:
{
pc = pcString;
sJustOffset = 0;
while ((*pc == cJustChar) && (pc < pcString+sStrLen))
{
sJustOffset++;
pc++;
}
hb_xmemcpy (pcRet, pcString+sJustOffset, sStrLen-sJustOffset);
for (pc = pcRet+sStrLen-sJustOffset; pc < pcRet+sStrLen; pc++)
{
*pc = cJustChar;
}
}; break;
case DO_JUSTIFY_JUSTRIGHT:
{
pc = pcString+sStrLen-1;
sJustOffset = 0;
while ((*pc == cJustChar) && (pc >= pcString))
{
sJustOffset++;
pc--;
}
for (pc = pcRet; pc < pcRet+sJustOffset; pc++)
{
*pc = cJustChar;
}
hb_xmemcpy (pcRet+sJustOffset, pcString, sStrLen-sJustOffset);
}; break;
}
if (ISBYREF (1))
hb_storclen (pcRet, sStrLen, 1);
if (iNoRet)
hb_ret();
else
hb_retclen (pcRet, sStrLen);
hb_xfree (pcRet);
}
else /* ISCHAR (1) */
{
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode();
if (iArgErrorMode != CT_ARGERR_IGNORE)
{
pSubst = ct_error_subst ((USHORT)iArgErrorMode, EG_ARG,
(iSwitch == DO_JUSTIFY_JUSTLEFT ? CT_ERROR_JUSTLEFT : CT_ERROR_JUSTRIGHT),
NULL,
(iSwitch == DO_JUSTIFY_JUSTLEFT ? "JUSTLEFT" : "JUSTRIGHT"),
0, EF_CANSUBSTITUTE, 2,
hb_paramError (1), hb_paramError (2));
}
if (pSubst != NULL)
{
hb_itemRelease( hb_itemReturnForward( pSubst ) );
}
else
{
if (iNoRet)
hb_ret();
else
hb_retc ("");
}
}
return;
}
/* helper function for the Pos*() functions */
static void do_pos1( int iSwitch )
{
if( HB_ISCHAR( 1 ) && /* all functions need string as 1st param */
( iSwitch != DO_POS1_POSRANGE || /* that's the only condition for all functions _except_ PosRange() */
( iSwitch == DO_POS1_POSRANGE && /* In addition, PosRange() needs .. */
HB_ISCHAR( 2 ) && /* .. string as 2nd .. */
HB_ISCHAR( 3 ) ) ) ) /* .. and 3rd param */
{
const unsigned char * pcString, * puc;
HB_SIZE sStrLen;
unsigned char ucChar1 = ' ', ucChar2 = ' ';
int iMode;
HB_SIZE sIgnore;
int iParamShift = 0;
if( iSwitch == DO_POS1_POSRANGE )
{
if( hb_parclen( 1 ) == 0 )
{
hb_retns( 0 );
return;
}
else
ucChar1 = *( hb_parc( 1 ) );
if( hb_parclen( 2 ) == 0 )
{
hb_retns( 0 );
return;
}
else
ucChar2 = *( hb_parc( 2 ) );
iParamShift += 2;
}
pcString = ( const unsigned char * ) hb_parc( iParamShift + 1 );
sStrLen = hb_parclen( iParamShift + 1 );
iMode = hb_parl( iParamShift + 2 );
sIgnore = hb_parnsdef( iParamShift + 3, 0 );
for( puc = pcString + sIgnore; puc < pcString + sStrLen; puc++ )
{
int iDoRet = 0;
switch( iSwitch )
{
case DO_POS1_POSALPHA:
iDoRet = hb_charIsAlpha( ( HB_UCHAR ) *puc );
break;
case DO_POS1_POSLOWER:
iDoRet = hb_charIsLower( ( HB_UCHAR ) *puc );
break;
case DO_POS1_POSRANGE:
iDoRet = ( ucChar1 <= *puc && ucChar2 >= *puc );
break;
case DO_POS1_POSUPPER:
iDoRet = hb_charIsUpper( ( HB_UCHAR ) *puc );
break;
}
if( ( iMode && ! iDoRet ) || ( ! iMode && iDoRet ) )
{
hb_retns( puc - pcString + 1 );
return;
}
}
hb_retns( 0 );
}
else
{
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
{
HB_ERRCODE iError = 0;
switch( iSwitch )
{
case DO_POS1_POSALPHA:
iError = CT_ERROR_POSALPHA;
break;
case DO_POS1_POSLOWER:
iError = CT_ERROR_POSLOWER;
break;
case DO_POS1_POSRANGE:
iError = CT_ERROR_POSRANGE;
break;
case DO_POS1_POSUPPER:
iError = CT_ERROR_POSUPPER;
break;
}
pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG, iError,
NULL, HB_ERR_FUNCNAME, 0,
EF_CANSUBSTITUTE, HB_ERR_ARGS_BASEPARAMS );
}
if( pSubst != NULL )
hb_itemReturnRelease( pSubst );
else
hb_retns( 0 );
}
}
/* helper function for the *one functions */
static void do_charone( int iSwitch )
{
char *pcString;
size_t sStrLen;
char *pcDeleteSet;
size_t sDeleteSetLen;
/* param check */
if ( ISCHAR( 1 ) )
{
if ( ISCHAR( 2 ) )
{
pcString = hb_parc( 2 );
sStrLen = (size_t)hb_parclen( 2 );
pcDeleteSet = hb_parc( 1 );
sDeleteSetLen = (size_t)hb_parclen( 1 );
}
else
{
pcString = hb_parc( 1 );
sStrLen = (size_t)hb_parclen( 1 );
pcDeleteSet = NULL;
sDeleteSetLen = 0;
}
switch ( iSwitch )
{
case DO_CHARONE_CHARONE:
{
if (sStrLen > 1)
{
char *pcSub;
char *pcRet;
size_t sRetStrLen = 0;
char cCurrent = *pcString;
pcRet = (char *)hb_xgrab( sStrLen );
/* copy first char */
pcRet[ sRetStrLen++ ] = cCurrent;
for ( pcSub = pcString + 1; pcSub < pcString + sStrLen; pcSub++ )
{
if ( *pcSub != cCurrent )
{
cCurrent = *pcSub;
pcRet[ sRetStrLen++ ] = cCurrent;
}
else if ( pcDeleteSet != NULL
&& !ct_at_exact_forward( pcDeleteSet, sDeleteSetLen,
pcSub, 1, NULL ) )
{
pcRet[ sRetStrLen++ ] = cCurrent;
}
}
hb_retclen( pcRet, sRetStrLen );
hb_xfree( pcRet );
}
else /* if (sStrLen > 1) */
{
/* algorithm does nothing to 1-char-strings */
hb_retclen( pcString, sStrLen );
}
}
break;
case DO_CHARONE_WORDONE:
{
if ( sStrLen > 3 && sDeleteSetLen >= 2 )
{
char *pcSub;
char *pcRet;
size_t sRetStrLen = 0;
char cCurrent1 = pcString[0];
char cCurrent2 = pcString[1];
pcRet = (char *)hb_xgrab( sStrLen );
/* copy first double char */
pcRet[ sRetStrLen++ ] = cCurrent1;
pcRet[ sRetStrLen++ ] = cCurrent2;
for ( pcSub = pcString + 2; pcSub < pcString + sStrLen - 1; pcSub += 2 )
{
if ( !( pcSub[0] == cCurrent1 && pcSub[1] == cCurrent2 ) )
{
cCurrent1 = pcSub[0];
cCurrent2 = pcSub[1];
pcRet[ sRetStrLen++ ] = cCurrent1;
pcRet[ sRetStrLen++ ] = cCurrent2;
}
else if ( pcDeleteSet != NULL )
{
char *pc = NULL;
char *pStart = pcDeleteSet;
size_t sLen = sDeleteSetLen;
while ( sLen >= 2
&& ( pc = ct_at_exact_forward( pStart, sLen,
pcSub, 2, NULL ) ) != 0
&& ( pc - pcDeleteSet ) % 2 == 1 )
{
pStart = pc + 1;
sLen = sDeleteSetLen - ( pStart - pcDeleteSet );
}
if ( pc == NULL )
{
pcRet[ sRetStrLen++ ] = cCurrent1;
pcRet[ sRetStrLen++ ] = cCurrent2;
}
}
}
/* copy last character if string len is odd */
if ( sStrLen % 2 == 1 )
{
pcRet[ sRetStrLen++ ] = pcString[ sStrLen - 1 ];
}
hb_retclen( pcRet, sRetStrLen );
hb_xfree( pcRet );
}
else /* if (sStrLen > 3) */
{
/* algorithm does nothing to 3-char-strings */
hb_retclen( pcString, sStrLen );
}
}
break;
} /* switch (iSwitch) */
}
else /* if (ISCHAR (1)) */
{
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode();
if ( iArgErrorMode != CT_ARGERR_IGNORE )
{
pSubst = ct_error_subst( (USHORT)iArgErrorMode, EG_ARG,
( iSwitch == DO_CHARONE_CHARONE ? CT_ERROR_CHARONE : CT_ERROR_WORDONE ),
NULL,
( iSwitch == DO_CHARONE_CHARONE ? "CHARONE" : "WORDONE" ),
0, EF_CANSUBSTITUTE, 2,
hb_paramError( 1 ), hb_paramError( 2 ) );
}
if ( pSubst != NULL )
{
hb_itemRelease( hb_itemReturnForward( pSubst ) );
}
else
{
hb_retc( "" );
}
}
}
/* helper function for the posxxx() functions */
static void do_pos1( int iSwitch )
{
if( ( ISCHAR( 1 ) ) /* all functions need string as 1st param */
&&
( ( iSwitch != DO_POS1_POSRANGE ) /* that's the only condition for all funcs _except_ POSRANGE */
||
( ( iSwitch == DO_POS1_POSRANGE ) /* In addition, POSRANGE needs .. */
&&
( ISCHAR( 2 ) ) /* .. string as 2nd .. */
&&
( ISCHAR( 3 ) ) /* .. and 3rd param */
)
)
)
{
unsigned char * pcString;
size_t sStrLen;
unsigned char * puc, ucChar1 = ' ', ucChar2 = ' ';
int iMode;
size_t sIgnore;
int iParamShift = 0;
if( iSwitch == DO_POS1_POSRANGE )
{
if( hb_parclen( 1 ) == 0 )
{
hb_retnl( 0 );
return;
}
else
{
ucChar1 = *( hb_parc( 1 ) );
}
if( hb_parclen( 2 ) == 0 )
{
hb_retnl( 0 );
return;
}
else
{
ucChar2 = *( hb_parc( 2 ) );
}
iParamShift += 2;
}
pcString = ( unsigned char * ) hb_parc( iParamShift + 1 );
sStrLen = ( size_t ) hb_parclen( iParamShift + 1 );
if( ISLOG( iParamShift + 2 ) )
iMode = hb_parl( iParamShift + 2 );
else
iMode = 0;
if( ISNUM( iParamShift + 3 ) )
sIgnore = ( size_t ) hb_parnl( iParamShift + 3 );
else
sIgnore = 0;
for( puc = pcString + sIgnore; puc < pcString + sStrLen; puc++ )
{
int iDoRet = 0;
switch( iSwitch )
{
case DO_POS1_POSALPHA:
{
iDoRet = ISALPHA( *puc );
}; break;
case DO_POS1_POSLOWER:
{
iDoRet = ISLOWER( *puc );
}; break;
case DO_POS1_POSRANGE:
{
iDoRet = ( ( ucChar1 <= *puc ) && ( ucChar2 >= *puc ) );
}; break;
case DO_POS1_POSUPPER:
{
iDoRet = ISUPPER( *puc );
}; break;
}
if( ( iMode && ! iDoRet ) || ( ! iMode && iDoRet ) )
{
hb_retns( puc - pcString + 1 );
return;
}
}
hb_retnl( 0 );
}
else /* ISCHAR (1) etc. */
{
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
{
switch( iSwitch )
{
case DO_POS1_POSALPHA:
{
pSubst = ct_error_subst( ( USHORT ) iArgErrorMode, EG_ARG, CT_ERROR_POSALPHA,
NULL, "POSALPHA", 0, EF_CANSUBSTITUTE, 3,
hb_paramError( 1 ), hb_paramError( 2 ), hb_paramError( 3 ) );
}; break;
case DO_POS1_POSLOWER:
{
pSubst = ct_error_subst( ( USHORT ) iArgErrorMode, EG_ARG, CT_ERROR_POSLOWER,
NULL, "POSLOWER", 0, EF_CANSUBSTITUTE, 3,
hb_paramError( 1 ), hb_paramError( 2 ), hb_paramError( 3 ) );
}; break;
case DO_POS1_POSRANGE:
{
pSubst = ct_error_subst( ( USHORT ) iArgErrorMode, EG_ARG, CT_ERROR_POSRANGE,
NULL, "POSRANGE", 0, EF_CANSUBSTITUTE, 5,
hb_paramError( 1 ), hb_paramError( 2 ), hb_paramError( 3 ),
hb_paramError( 4 ), hb_paramError( 5 ) );
}; break;
case DO_POS1_POSUPPER:
{
pSubst = ct_error_subst( ( USHORT ) iArgErrorMode, EG_ARG, CT_ERROR_POSUPPER,
NULL, "POSUPPER", 0, EF_CANSUBSTITUTE, 3,
hb_paramError( 1 ), hb_paramError( 2 ), hb_paramError( 3 ) );
}; break;
}
}
if( pSubst != NULL )
{
hb_itemRelease( hb_itemReturnForward( pSubst ) );
}
else
{
hb_retnl( 0 );
}
}
}
/* helper function */
static void do_atnum( int iSwitch )
{
if( ( ISCHAR( 1 ) ) && ( ISCHAR( 2 ) ) )
{
const char * pcStringToMatch = hb_parc( 1 );
HB_SIZE sStrToMatchLen = hb_parclen( 1 );
const char * pcString = hb_parc( 2 );
HB_SIZE sStrLen = hb_parclen( 2 );
int iMultiPass = ct_getatmupa();
int iAtLike = ct_getatlike();
char cAtLike = ct_getatlikechar();
HB_SIZE sIgnore, sMatchStrLen = 0;
ULONG ulCounter;
const char * pc = NULL;
/* eventually ignore some characters */
if( ISNUM( 4 ) )
sIgnore = ( size_t ) hb_parnl( 4 );
else
sIgnore = 0;
if( sIgnore >= sStrLen )
{
switch( iSwitch )
{
case DO_ATNUM_AFTERATNUM:
{
/* AFTERATNUM */
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
{
ct_error( ( USHORT ) iArgErrorMode, EG_ARG, CT_ERROR_AFTERATNUM,
NULL, "AFTERATNUM", 0, EF_CANDEFAULT, 4,
hb_paramError( 1 ), hb_paramError( 2 ),
hb_paramError( 3 ), hb_paramError( 4 ) );
}
;
hb_retc( "" );
}; break;
case DO_ATNUM_BEFORATNUM:
{
/* BEFORATNUM */
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
{
ct_error( ( USHORT ) iArgErrorMode, EG_ARG, CT_ERROR_BEFORATNUM,
NULL, "BEFORATNUM", 0, EF_CANDEFAULT, 4,
hb_paramError( 1 ), hb_paramError( 2 ),
hb_paramError( 3 ), hb_paramError( 4 ) );
}
;
hb_retc( "" );
}; break;
case DO_ATNUM_ATNUM:
{
/* ATNUM */
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
{
ct_error( ( USHORT ) iArgErrorMode, EG_ARG, CT_ERROR_ATNUM,
NULL, "ATNUM", 0, EF_CANDEFAULT, 4,
hb_paramError( 1 ), hb_paramError( 2 ),
hb_paramError( 3 ), hb_paramError( 4 ) );
}
;
hb_retnl( 0 );
}; break;
}
return;
}
else
{
pcString += sIgnore;
sStrLen -= sIgnore;
}
/* nth match or last match ? */
if( ISNUM( 3 ) && ( ( ulCounter = hb_parnl( 3 ) ) != 0 ) )
{
/* find the <ulCounter>th match */
const char * pcSubStr;
HB_SIZE sSubStrLen;
ULONG ulMatchCounter = 0;
pcSubStr = pcString;
sSubStrLen = sStrLen;
while( ulMatchCounter < ulCounter )
{
switch( iAtLike )
{
case CT_SETATLIKE_EXACT:
{
pc = ct_at_exact_forward( pcSubStr, sSubStrLen,
pcStringToMatch, sStrToMatchLen,
&sMatchStrLen );
}; break;
case CT_SETATLIKE_WILDCARD:
{
pc = ct_at_wildcard_forward( pcSubStr, sSubStrLen,
pcStringToMatch, sStrToMatchLen,
cAtLike, &sMatchStrLen );
}; break;
default:
{
pc = NULL;
};
}
if( pc == NULL )
{
/* no match found; if this happens at this point,
there are no <ulCounter> matches, so return an empty string */
switch( iSwitch )
{
case DO_ATNUM_AFTERATNUM:
case DO_ATNUM_BEFORATNUM:
{
/* AFTERATNUM */
/* BEFORATNUM */
hb_retc( "" );
}; break;
case DO_ATNUM_ATNUM:
{
/* ATNUM */
hb_retnl( 0 );
}; break;
}
return;
}
ulMatchCounter++;
if( iMultiPass )
pcSubStr = pc + 1;
else
pcSubStr = pc + sMatchStrLen;
sSubStrLen = sStrLen - ( pcSubStr - pcString );
}
}
else /* (ISNUM (3) && ((ulCounter = hb_parnl (3)) != 0) */
{
/* we have to find the last match and return the
string after that last match */
switch( iAtLike )
{
case CT_SETATLIKE_EXACT:
{
pc = ct_at_exact_backward( pcString, sStrLen,
pcStringToMatch, sStrToMatchLen,
&sMatchStrLen );
}; break;
case CT_SETATLIKE_WILDCARD:
{
pc = ct_at_wildcard_backward( pcString, sStrLen,
pcStringToMatch, sStrToMatchLen,
cAtLike, &sMatchStrLen );
}; break;
default:
{
pc = NULL;
};
}
if( pc == NULL )
{
/* no matches found */
switch( iSwitch )
{
case DO_ATNUM_AFTERATNUM:
case DO_ATNUM_BEFORATNUM:
{
/* AFTERATNUM */
/* BEFORATNUM */
hb_retc( "" );
}; break;
case DO_ATNUM_ATNUM:
{
/* ATNUM */
hb_retnl( 0 );
}; break;
}
return;
}
}
switch( iSwitch )
{
case DO_ATNUM_AFTERATNUM:
{
/* AFTERATNUM */
if( pc + sMatchStrLen >= pcString + sStrLen )
hb_retc( "" );
else
hb_retclen( pc + sMatchStrLen, sStrLen - ( pc + sMatchStrLen - pcString ) );
}; break;
case DO_ATNUM_BEFORATNUM:
{
/* BEFORATNUM */
hb_retclen( pcString - sIgnore, pc - ( pcString - sIgnore ) );
}; break;
case DO_ATNUM_ATNUM:
{
/* ATNUM */
hb_retns( pc - ( pcString - sIgnore ) + 1 );
}; break;
}
}
else /* ((ISCHAR (1)) && (ISCHAR (2))) */
{
switch( iSwitch )
{
case DO_ATNUM_AFTERATNUM:
case DO_ATNUM_BEFORATNUM:
{
/* AFTERATNUM */
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
{
pSubst = ct_error_subst( ( USHORT ) iArgErrorMode, EG_ARG,
( iSwitch == DO_ATNUM_AFTERATNUM ? CT_ERROR_AFTERATNUM : CT_ERROR_BEFORATNUM ),
NULL,
( iSwitch == DO_ATNUM_AFTERATNUM ? "AFTERATNUM" : "BEFORATNUM" ),
0, EF_CANSUBSTITUTE, 4,
hb_paramError( 1 ), hb_paramError( 2 ),
hb_paramError( 3 ), hb_paramError( 4 ) );
}
if( pSubst != NULL )
{
hb_itemRelease( hb_itemReturnForward( pSubst ) );
}
else
{
hb_retc( "" );
}
}; break;
case DO_ATNUM_ATNUM:
{
/* ATNUM */
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
{
pSubst = ct_error_subst( ( USHORT ) iArgErrorMode, EG_ARG, CT_ERROR_ATNUM,
NULL, "ATNUM", 0, EF_CANSUBSTITUTE, 4,
hb_paramError( 1 ), hb_paramError( 2 ),
hb_paramError( 3 ), hb_paramError( 4 ) );
}
if( pSubst != NULL )
{
hb_itemRelease( hb_itemReturnForward( pSubst ) );
}
else
{
hb_retnl( 0 );
}
}; break;
}
}
}
/* helper function for the Count*() functions */
static void do_count( int iSwitch )
{
/* param check */
if( HB_ISCHAR( 1 ) )
{
const char * pcString = hb_parc( 1 );
HB_SIZE sStrLen = hb_parclen( 1 );
HB_SIZE sRetVal;
const char * pc;
char cSearch;
if( hb_parclen( 2 ) > 0 )
cSearch = *( hb_parc( 2 ) );
else if( HB_ISNUM( 2 ) )
cSearch = ( char ) ( hb_parnl( 2 ) % 256 );
else
cSearch = 0x20;
sRetVal = 0;
switch( iSwitch )
{
case DO_COUNT_COUNTLEFT:
pc = pcString;
while( *pc == cSearch && pc < ( pcString + sStrLen ) )
{
sRetVal++;
pc++;
}
break;
case DO_COUNT_COUNTRIGHT:
pc = pcString + sStrLen - 1;
while( *pc == cSearch && pc >= pcString )
{
sRetVal++;
pc--;
}
break;
}
hb_retns( sRetVal );
}
else
{
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG,
iSwitch == DO_COUNT_COUNTLEFT ?
CT_ERROR_COUNTLEFT : CT_ERROR_COUNTRIGHT,
NULL, HB_ERR_FUNCNAME, 0, EF_CANSUBSTITUTE,
HB_ERR_ARGS_BASEPARAMS );
if( pSubst != NULL )
hb_itemReturnRelease( pSubst );
else
hb_retns( 0 );
}
}
/* helper function */
static void do_atnum( int iSwitch )
{
if( HB_ISCHAR( 1 ) && HB_ISCHAR( 2 ) )
{
const char * pcStringToMatch = hb_parc( 1 );
HB_SIZE sStrToMatchLen = hb_parclen( 1 );
const char * pcString = hb_parc( 2 );
HB_SIZE sStrLen = hb_parclen( 2 );
int iMultiPass = ct_getatmupa();
int iAtLike = ct_getatlike();
char cAtLike = ct_getatlikechar();
HB_SIZE sIgnore = hb_parnsdef( 4, 0 ); /* eventually ignore some characters */
HB_SIZE sMatchStrLen = 0;
HB_SIZE nCounter;
const char * pc = NULL;
if( sIgnore >= sStrLen )
{
switch( iSwitch )
{
case DO_ATNUM_AFTERATNUM:
{
/* AFTERATNUM */
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
ct_error( ( HB_USHORT ) iArgErrorMode, EG_ARG, CT_ERROR_AFTERATNUM, NULL,
HB_ERR_FUNCNAME, 0, EF_CANDEFAULT, HB_ERR_ARGS_BASEPARAMS );
hb_retc_null();
break;
}
case DO_ATNUM_BEFORATNUM:
{
/* BEFORATNUM */
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
ct_error( ( HB_USHORT ) iArgErrorMode, EG_ARG, CT_ERROR_BEFORATNUM, NULL,
HB_ERR_FUNCNAME, 0, EF_CANDEFAULT, HB_ERR_ARGS_BASEPARAMS );
hb_retc_null();
break;
}
case DO_ATNUM_ATNUM:
{
/* ATNUM */
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
ct_error( ( HB_USHORT ) iArgErrorMode, EG_ARG, CT_ERROR_ATNUM, NULL, HB_ERR_FUNCNAME, 0,
EF_CANDEFAULT, HB_ERR_ARGS_BASEPARAMS );
hb_retns( 0 );
break;
}
}
return;
}
else
{
pcString += sIgnore;
sStrLen -= sIgnore;
}
/* nth match or last match ? */
if( HB_ISNUM( 3 ) && ( nCounter = hb_parns( 3 ) ) != 0 )
{
/* find the <nCounter>th match */
const char * pcSubStr;
HB_SIZE sSubStrLen;
HB_SIZE nMatchCounter = 0;
pcSubStr = pcString;
sSubStrLen = sStrLen;
while( nMatchCounter < nCounter )
{
switch( iAtLike )
{
case CT_SETATLIKE_EXACT:
pc = ct_at_exact_forward( pcSubStr, sSubStrLen, pcStringToMatch,
sStrToMatchLen, &sMatchStrLen );
break;
case CT_SETATLIKE_WILDCARD:
pc = ct_at_wildcard_forward( pcSubStr, sSubStrLen, pcStringToMatch,
sStrToMatchLen, cAtLike, &sMatchStrLen );
break;
default:
pc = NULL;
}
if( pc == NULL )
{
/* no match found; if this happens at this point,
there are no <nCounter> matches, so return an empty string */
switch( iSwitch )
{
case DO_ATNUM_AFTERATNUM:
case DO_ATNUM_BEFORATNUM:
/* AFTERATNUM */
/* BEFORATNUM */
hb_retc_null();
break;
case DO_ATNUM_ATNUM:
/* ATNUM */
hb_retns( 0 );
break;
}
return;
}
nMatchCounter++;
if( iMultiPass )
pcSubStr = pc + 1;
else
pcSubStr = pc + sMatchStrLen;
sSubStrLen = sStrLen - ( pcSubStr - pcString );
}
}
else
{
/* we have to find the last match and return the
string after that last match */
switch( iAtLike )
{
case CT_SETATLIKE_EXACT:
pc = ct_at_exact_backward( pcString, sStrLen, pcStringToMatch,
sStrToMatchLen, &sMatchStrLen );
break;
case CT_SETATLIKE_WILDCARD:
pc = ct_at_wildcard_backward( pcString, sStrLen, pcStringToMatch,
sStrToMatchLen, cAtLike, &sMatchStrLen );
break;
default:
pc = NULL;
}
if( pc == NULL )
{
/* no matches found */
switch( iSwitch )
{
case DO_ATNUM_AFTERATNUM:
case DO_ATNUM_BEFORATNUM:
/* AFTERATNUM */
/* BEFORATNUM */
hb_retc_null();
break;
case DO_ATNUM_ATNUM:
/* ATNUM */
hb_retns( 0 );
break;
}
return;
}
}
switch( iSwitch )
{
case DO_ATNUM_AFTERATNUM:
/* AFTERATNUM */
if( pc + sMatchStrLen >= pcString + sStrLen )
hb_retc_null();
else
hb_retclen( pc + sMatchStrLen, sStrLen - ( pc + sMatchStrLen - pcString ) );
break;
case DO_ATNUM_BEFORATNUM:
/* BEFORATNUM */
hb_retclen( pcString - sIgnore, pc - ( pcString - sIgnore ) );
break;
case DO_ATNUM_ATNUM:
/* ATNUM */
#if defined( __POCC__ ) && ( __POCC__ >= 500 ) && defined( HB_OS_WIN_64 )
/* NOTE: Workaround for Pelles C 5.00.13 AMD64 mode internal error:
'fatal error: Internal error: reduce_tree()' [vszakats]. */
hb_retns( pc - pcString + sIgnore + 1 );
#else
hb_retns( pc - ( pcString - sIgnore ) + 1 );
#endif
break;
}
}
else
{
switch( iSwitch )
{
case DO_ATNUM_AFTERATNUM:
case DO_ATNUM_BEFORATNUM:
{
/* AFTERATNUM */
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG,
iSwitch ==
DO_ATNUM_AFTERATNUM ? CT_ERROR_AFTERATNUM :
CT_ERROR_BEFORATNUM, NULL, HB_ERR_FUNCNAME, 0,
EF_CANSUBSTITUTE, HB_ERR_ARGS_BASEPARAMS );
if( pSubst != NULL )
hb_itemReturnRelease( pSubst );
else
hb_retc_null();
break;
}
case DO_ATNUM_ATNUM:
{
/* ATNUM */
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG, CT_ERROR_ATNUM,
NULL, HB_ERR_FUNCNAME, 0, EF_CANSUBSTITUTE,
HB_ERR_ARGS_BASEPARAMS );
if( pSubst != NULL )
hb_itemReturnRelease( pSubst );
else
hb_retns( 0 );
break;
}
}
}
}
/* helper function for the token function group I */
static void do_token1( int iSwitch )
{
PCT_TOKEN ct_token = ( PCT_TOKEN ) hb_stackGetTSD( &s_ct_token );
int iParamCheck = 0;
int iNoRef = ct_getref() && HB_ISBYREF( 1 );
switch( iSwitch )
{
case DO_TOKEN1_TOKEN:
ct_token->iPreSeparator = ct_token->iPostSeparator = -1;
/* no "break" here !! */
case DO_TOKEN1_ATTOKEN:
case DO_TOKEN1_NUMTOKEN:
case DO_TOKEN1_TOKENLOWER:
case DO_TOKEN1_TOKENUPPER:
iParamCheck = HB_ISCHAR( 1 );
break;
}
if( iParamCheck )
{
const char * pcString = hb_parc( 1 );
HB_SIZE sStrLen = hb_parclen( 1 );
const char * pcSeparatorStr;
HB_SIZE sSeparatorStrLen;
HB_SIZE nTokenCounter;
HB_SIZE nSkip;
const char * pcSubStr;
char * pcRet = NULL;
HB_SIZE sSubStrLen;
HB_SIZE sRetStrLen = 0;
HB_SIZE nToken = 0;
HB_SIZE nSkipCnt;
const char * pc;
/* separator string */
sSeparatorStrLen = hb_parclen( 2 );
if( sSeparatorStrLen != 0 )
pcSeparatorStr = hb_parc( 2 );
else
{
pcSeparatorStr = sc_pcSeparatorStr;
sSeparatorStrLen = sc_sSeparatorStrLen;
}
if( iSwitch == DO_TOKEN1_NUMTOKEN )
{
/* token counter */
nTokenCounter = HB_SIZE_MAX;
/* skip width */
nSkip = hb_parns( 3 );
}
else
{
/* token counter */
nTokenCounter = hb_parns( 3 );
/* skip width */
nSkip = hb_parns( 4 ); /* HB_EXTENSION for AtToken()/TokenLower()/TokenUpper() */
}
if( nTokenCounter == 0 )
nTokenCounter = HB_SIZE_MAX;
if( nSkip == 0 )
nSkip = HB_SIZE_MAX;
/* prepare return value for TokenUpper()/TokenLower() */
if( iSwitch == DO_TOKEN1_TOKENLOWER || iSwitch == DO_TOKEN1_TOKENUPPER )
{
if( sStrLen == 0 )
{
if( iNoRef )
hb_retl( HB_FALSE );
else
hb_retc_null();
return;
}
sRetStrLen = sStrLen;
pcRet = ( char * ) hb_xgrab( sRetStrLen + 1 );
hb_xmemcpy( pcRet, pcString, sRetStrLen );
}
/* find the <nTokenCounter>th token */
pcSubStr = pcString;
sSubStrLen = sStrLen;
/* scan start condition */
pc = pcSubStr - 1;
while( nToken < nTokenCounter )
{
HB_SIZE sMatchedPos = sSeparatorStrLen;
/* Skip the left nSkip successive separators */
nSkipCnt = 0;
do
{
sSubStrLen -= ( pc - pcSubStr ) + 1;
pcSubStr = pc + 1;
pc = ct_at_charset_forward( pcSubStr, sSubStrLen,
pcSeparatorStr, sSeparatorStrLen, &sMatchedPos );
if( iSwitch == DO_TOKEN1_TOKEN )
{
ct_token->iPreSeparator = ct_token->iPostSeparator;
if( sMatchedPos < sSeparatorStrLen )
ct_token->iPostSeparator = pcSeparatorStr[ sMatchedPos ];
else
ct_token->iPostSeparator = -1;
}
nSkipCnt++;
}
while( nSkipCnt < nSkip && pc == pcSubStr );
if( sSubStrLen == 0 )
{
/* string ends with tokenizer (null string after tokenizer at
end of string is not a token) */
switch( iSwitch )
{
case DO_TOKEN1_TOKEN:
{
char cRet;
hb_retc_null();
if( HB_ISBYREF( 5 ) ) /* HB_EXTENSION */
{
cRet = ( char ) ct_token->iPreSeparator;
hb_storclen( &cRet, ( ct_token->iPreSeparator != -1 ? 1 : 0 ), 5 );
}
if( HB_ISBYREF( 6 ) ) /* HB_EXTENSION */
{
cRet = ( char ) ct_token->iPostSeparator;
hb_storclen( &cRet, ( ct_token->iPostSeparator != -1 ? 1 : 0 ), 6 );
}
break;
}
case DO_TOKEN1_NUMTOKEN:
hb_retns( nToken );
break;
case DO_TOKEN1_ATTOKEN:
hb_retns( 0 );
break;
case DO_TOKEN1_TOKENLOWER:
case DO_TOKEN1_TOKENUPPER:
hb_storclen( pcRet, sRetStrLen, 1 );
if( iNoRef )
{
hb_xfree( pcRet );
hb_retl( HB_FALSE );
}
else
hb_retclen_buffer( pcRet, sRetStrLen );
break;
}
return;
}
switch( iSwitch )
{
case DO_TOKEN1_TOKEN:
case DO_TOKEN1_NUMTOKEN:
case DO_TOKEN1_ATTOKEN:
break;
case DO_TOKEN1_TOKENLOWER:
if( pcSubStr != pc ) /* letters can be tokenizers, too,
but they should not be lowercase'd */
*( pcRet + ( pcSubStr - pcString ) ) = ( char ) hb_charLower( ( HB_UCHAR ) *pcSubStr );
break;
case DO_TOKEN1_TOKENUPPER:
if( pcSubStr != pc ) /* letters can be tokenizers, too,
but they should not be uppercase'd */
*( pcRet + ( pcSubStr - pcString ) ) = ( char ) hb_charUpper( ( HB_UCHAR ) *pcSubStr );
break;
default:
break;
}
nToken++;
if( pc == NULL )
{
/* little trick for return values */
pc = pcSubStr + sSubStrLen;
/* we must leave the while loop even if we have not
yet found the <nTokenCounter>th token */
break;
}
/* should we find the last token, but string ends with tokenizer, i.e.
pc points to the last character at the moment ?
-> break here ! */
if( nTokenCounter == HB_SIZE_MAX )
{
if( nSkip == HB_SIZE_MAX )
{
const char * t;
HB_BOOL bLast = HB_TRUE;
for( t = pc + 1; t < pcString + sStrLen; t++ )
{
if( ! memchr( pcSeparatorStr, *t, sSeparatorStrLen ) )
{
bLast = HB_FALSE;
break;
}
}
if( bLast )
break;
}
else if( pc + 1 == pcString + sStrLen )
break;
}
}
switch( iSwitch )
{
case DO_TOKEN1_TOKEN:
{
char cRet;
if( nTokenCounter == HB_SIZE_MAX ||
nToken == nTokenCounter )
hb_retclen( pcSubStr, pc - pcSubStr );
else
hb_retc_null();
if( HB_ISBYREF( 5 ) ) /* HB_EXTENSION */
{
cRet = ( char ) ct_token->iPreSeparator;
hb_storclen( &cRet, ( ct_token->iPreSeparator != -1 ? 1 : 0 ), 5 );
}
if( HB_ISBYREF( 6 ) ) /* HB_EXTENSION */
{
cRet = ( char ) ct_token->iPostSeparator;
hb_storclen( &cRet, ( ct_token->iPostSeparator != -1 ? 1 : 0 ), 6 );
}
break;
}
case DO_TOKEN1_NUMTOKEN:
hb_retns( nToken );
break;
case DO_TOKEN1_ATTOKEN:
if( nTokenCounter == HB_SIZE_MAX ||
nToken == nTokenCounter )
hb_retns( pcSubStr - pcString + 1 );
else
hb_retns( 0 );
break;
case DO_TOKEN1_TOKENLOWER:
case DO_TOKEN1_TOKENUPPER:
hb_storclen( pcRet, sRetStrLen, 1 );
if( iNoRef )
{
hb_xfree( pcRet );
hb_retl( HB_FALSE );
}
else
hb_retclen_buffer( pcRet, sRetStrLen );
break;
}
}
else
{
switch( iSwitch )
{
case DO_TOKEN1_TOKEN:
{
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode();
char cRet;
if( HB_ISBYREF( 5 ) ) /* HB_EXTENSION */
{
cRet = ( char ) ct_token->iPreSeparator;
hb_storclen( &cRet, ( ct_token->iPreSeparator != -1 ? 1 : 0 ), 5 );
}
if( HB_ISBYREF( 6 ) ) /* HB_EXTENSION */
{
cRet = ( char ) ct_token->iPostSeparator;
hb_storclen( &cRet, ( ct_token->iPostSeparator != -1 ? 1 : 0 ), 6 );
}
if( iArgErrorMode != CT_ARGERR_IGNORE )
pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG,
CT_ERROR_TOKEN, NULL, HB_ERR_FUNCNAME, 0,
EF_CANSUBSTITUTE,
HB_ERR_ARGS_BASEPARAMS );
if( pSubst != NULL )
hb_itemReturnRelease( pSubst );
else if( ! iNoRef )
hb_retc_null();
else
hb_retl( HB_FALSE );
break;
}
case DO_TOKEN1_TOKENLOWER:
case DO_TOKEN1_TOKENUPPER:
{
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG,
iSwitch == DO_TOKEN1_TOKENLOWER ?
CT_ERROR_TOKENLOWER : CT_ERROR_TOKENUPPER,
NULL, HB_ERR_FUNCNAME, 0,
EF_CANSUBSTITUTE,
HB_ERR_ARGS_BASEPARAMS );
if( pSubst != NULL )
hb_itemReturnRelease( pSubst );
else if( ! iNoRef )
hb_retc_null();
else
hb_retl( HB_FALSE );
break;
}
case DO_TOKEN1_NUMTOKEN:
case DO_TOKEN1_ATTOKEN:
{
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG,
iSwitch == DO_TOKEN1_NUMTOKEN ?
CT_ERROR_NUMTOKEN : CT_ERROR_ATTOKEN,
NULL, HB_ERR_FUNCNAME, 0,
EF_CANSUBSTITUTE, HB_ERR_ARGS_BASEPARAMS );
if( pSubst != NULL )
hb_itemReturnRelease( pSubst );
else
hb_retns( 0 );
break;
}
}
}
}
/* helper function for the replxxx functions */
static void do_replace( int iSwitch )
{
/* suppressing return value ? */
int iNoRet = ct_getref() && HB_ISBYREF( 1 );
/* param check */
if( HB_ISCHAR( 1 ) && ( hb_parclen( 2 ) > 0 || HB_ISNUM( 2 ) ) )
{
const char * pcString = hb_parc( 1 );
HB_SIZE sStrLen = hb_parclen( 1 );
char * pcRet, * pc;
char cSearch, cReplace;
if( sStrLen == 0 )
{
if( iNoRet )
hb_ret();
else
hb_retc_null();
return;
}
if( HB_ISNUM( 2 ) )
cReplace = ( char ) ( hb_parnl( 2 ) % 256 );
else
cReplace = *( ( const char * ) hb_parc( 2 ) );
if( hb_parclen( 3 ) > 0 )
cSearch = *( ( const char * ) hb_parc( 3 ) );
else if( HB_ISNUM( 3 ) )
cSearch = ( char ) ( hb_parnl( 3 ) % 256 );
else
cSearch = 0x20;
pcRet = ( char * ) hb_xgrab( sStrLen + 1 );
hb_xmemcpy( pcRet, pcString, sStrLen );
if( iSwitch != DO_REPLACE_REPLRIGHT )
{
pc = pcRet;
while( *pc == cSearch && pc < pcRet + sStrLen )
{
*pc = cReplace;
pc++;
}
}
if( iSwitch != DO_REPLACE_REPLLEFT )
{
pc = pcRet + sStrLen - 1;
while( *pc == cSearch && pc >= pcRet )
{
*pc = cReplace;
pc--;
}
}
hb_storclen( pcRet, sStrLen, 1 );
if( iNoRet )
{
hb_xfree( pcRet );
hb_ret();
}
else
hb_retclen_buffer( pcRet, sStrLen );
}
else
{
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG,
sulErrorSubcodes[ iSwitch ],
NULL, HB_ERR_FUNCNAME, 0,
EF_CANSUBSTITUTE, HB_ERR_ARGS_BASEPARAMS );
if( pSubst != NULL )
hb_itemReturnRelease( pSubst );
else if( iNoRet )
hb_ret();
else
hb_retc_null();
}
}
/* helper function for the pad functions */
static void do_pad (int iSwitch)
{
if (ISCHAR (1) && ISNUM (2))
{
char *pcString = (char *)hb_parc (1);
size_t sStrLen = (size_t)hb_parclen (1);
char *pcRet, *pc;
LONG lRetLen;
size_t sRetLen;
char cFill;
lRetLen = hb_parnl (2);
if (lRetLen <= 0)
{
int iArgErrorMode = ct_getargerrormode();
if (iArgErrorMode != CT_ARGERR_IGNORE)
{
ct_error ((USHORT)iArgErrorMode, EG_ARG,
(iSwitch == DO_PAD_PADLEFT ? CT_ERROR_PADLEFT : CT_ERROR_PADRIGHT),
NULL,
(iSwitch == DO_PAD_PADLEFT ? "PADLEFT" : "ROR_PADRIGHT"),
0, EF_CANDEFAULT, 3,
hb_paramError (1), hb_paramError (2),
hb_paramError (3));
}
hb_retc ("");
return;
}
sRetLen = (size_t)lRetLen;
if (hb_parclen (3) > 0)
cFill = *(hb_parc (3));
else if (ISNUM (3))
cFill = (char)( hb_parnl (3) % 256 );
else
cFill = 0x20;
pcRet = ( char * )hb_xgrab (sRetLen);
if (iSwitch == DO_PAD_PADLEFT)
{
if (sRetLen > sStrLen)
{
/* fill with cFill */
for (pc = pcRet; pc < pcRet+(sRetLen-sStrLen); pc++)
*pc = cFill;
hb_xmemcpy (pcRet+(sRetLen-sStrLen), pcString, sStrLen);
}
else
{
hb_xmemcpy (pcRet, pcString+(sStrLen-sRetLen), sRetLen);
}
}
else
{
hb_xmemcpy (pcRet, pcString, (sRetLen < sStrLen ? sRetLen : sStrLen));
if (sRetLen > sStrLen)
{
/* fill with cFill */
for (pc = pcRet+sStrLen; pc < pcRet+sRetLen; pc++)
*pc = cFill;
}
}
hb_retclen (pcRet, sRetLen);
hb_xfree (pcRet);
}
else /* ISCHAR (1) && ISNUM (2) */
{
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode();
if (iArgErrorMode != CT_ARGERR_IGNORE)
{
pSubst = ct_error_subst ((USHORT)iArgErrorMode, EG_ARG,
(iSwitch == DO_PAD_PADLEFT ? CT_ERROR_PADLEFT : CT_ERROR_PADRIGHT),
NULL,
(iSwitch == DO_PAD_PADLEFT ? "PADLEFT" : "ROR_PADRIGHT"),
0, EF_CANSUBSTITUTE, 3,
hb_paramError (1), hb_paramError (2),
hb_paramError (3));
}
if (pSubst != NULL)
{
hb_itemRelease( hb_itemReturnForward( pSubst ) );
}
else
{
hb_retc ("");
}
return;
}
return;
}
/* helper function for the remxxx functions */
static void do_remove( int iSwitch )
{
/* param check */
if( ISCHAR( 1 ) )
{
char * pcString = ( char * ) hb_parc( 1 );
size_t sStrLen = ( size_t ) hb_parclen( 1 );
char * pcRet, * pc;
size_t sRetLen;
char cSearch;
if( hb_parclen( 2 ) > 0 )
cSearch = *( hb_parc( 2 ) );
else if( ISNUM( 2 ) )
cSearch = ( char ) ( hb_parnl( 2 ) % 256 );
else
cSearch = 0x20;
sRetLen = sStrLen;
pcRet = pcString;
if( iSwitch != DO_REMOVE_REMRIGHT )
{
while( ( *pcRet == cSearch ) && ( pcRet < pcString + sStrLen ) )
{
pcRet++;
sRetLen--;
}
}
if( iSwitch != DO_REMOVE_REMLEFT )
{
pc = pcString + sStrLen - 1;
while( ( *pc == cSearch ) && ( pc >= pcRet ) )
{
pc--;
sRetLen--;
}
}
if( sRetLen == 0 )
hb_retc( "" );
else
hb_retclen( pcRet, sRetLen );
}
else /* if (ISCHAR (1)) */
{
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
{
pSubst = ct_error_subst( ( USHORT ) iArgErrorMode, EG_ARG, sulErrorSubcodes[ iSwitch ],
NULL, ( char * ) spcErrorOperation[ iSwitch ], 0, EF_CANSUBSTITUTE, 2,
hb_paramError( 1 ), hb_paramError( 2 ) );
}
if( pSubst != NULL )
{
hb_itemRelease( hb_itemReturnForward( pSubst ) );
}
else
{
hb_retc( "" );
}
}
}
/* helper function for the pad functions */
static void do_pad( int iSwitch )
{
if( HB_ISCHAR( 1 ) && HB_ISNUM( 2 ) )
{
const char * pcString = hb_parc( 1 );
HB_SIZE sStrLen = hb_parclen( 1 );
char * pcRet, * pc;
HB_ISIZ nRetLen;
HB_SIZE sRetLen;
char cFill;
nRetLen = hb_parns( 2 );
if( nRetLen <= 0 )
{
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
ct_error( ( HB_USHORT ) iArgErrorMode, EG_ARG,
iSwitch == DO_PAD_PADLEFT ?
CT_ERROR_PADLEFT : CT_ERROR_PADRIGHT, NULL,
HB_ERR_FUNCNAME, 0, EF_CANDEFAULT,
HB_ERR_ARGS_BASEPARAMS );
hb_retc_null();
return;
}
sRetLen = ( HB_SIZE ) nRetLen;
if( hb_parclen( 3 ) > 0 )
cFill = *( hb_parc( 3 ) );
else if( HB_ISNUM( 3 ) )
cFill = ( char ) ( hb_parnl( 3 ) % 256 );
else
cFill = 0x20;
pcRet = ( char * ) hb_xgrab( sRetLen + 1 );
if( iSwitch == DO_PAD_PADLEFT )
{
if( sRetLen > sStrLen )
{
/* fill with cFill */
for( pc = pcRet; pc < pcRet + ( sRetLen - sStrLen ); pc++ )
*pc = cFill;
hb_xmemcpy( pcRet + ( sRetLen - sStrLen ), pcString, sStrLen );
}
else
hb_xmemcpy( pcRet, pcString + ( sStrLen - sRetLen ), sRetLen );
}
else
{
hb_xmemcpy( pcRet, pcString, ( sRetLen < sStrLen ? sRetLen : sStrLen ) );
if( sRetLen > sStrLen )
{
/* fill with cFill */
for( pc = pcRet + sStrLen; pc < pcRet + sRetLen; pc++ )
*pc = cFill;
}
}
hb_retclen_buffer( pcRet, sRetLen );
}
else
{
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG,
iSwitch == DO_PAD_PADLEFT ?
CT_ERROR_PADLEFT : CT_ERROR_PADRIGHT, NULL,
HB_ERR_FUNCNAME, 0, EF_CANSUBSTITUTE,
HB_ERR_ARGS_BASEPARAMS );
if( pSubst != NULL )
hb_itemReturnRelease( pSubst );
else
hb_retc_null();
}
}
/* helper function for the *one functions */
static void do_charonly( int iSwitch )
{
/* param check */
if( HB_ISCHAR( 1 ) && HB_ISCHAR( 2 ) )
{
const char * pcString = hb_parc( 2 );
HB_SIZE sStrLen = hb_parclen( 2 );
const char * pcOnlySet = hb_parc( 1 );
HB_SIZE sOnlySetLen = hb_parclen( 1 );
char * pcRet;
HB_SIZE sRetStrLen = 0;
int iShift, iBool;
const char * pcSub, * pc;
/* check for zero-length strings */
switch( iSwitch )
{
case DO_CHARONLY_CHARONLY:
case DO_CHARONLY_WORDONLY:
if( sStrLen == 0 || sOnlySetLen == 0 )
{
hb_retc_null();
return;
}
break;
case DO_CHARONLY_CHARREM:
case DO_CHARONLY_WORDREM:
if( sStrLen == 0 )
{
hb_retc_null();
return;
}
if( sOnlySetLen == 0 )
{
hb_retclen( pcString, sStrLen );
return;
}
break;
}
if( iSwitch == DO_CHARONLY_WORDONLY ||
iSwitch == DO_CHARONLY_WORDREM )
iShift = 2;
else
iShift = 1;
pcRet = ( char * ) hb_xgrab( sStrLen );
for( pcSub = pcString; pcSub < pcString + sStrLen + 1 - iShift; pcSub += iShift )
{
pc = ct_at_exact_forward( pcOnlySet, sOnlySetLen, pcSub, iShift, NULL );
iBool = ( ( pc != NULL ) && ( ( ( pc - pcOnlySet ) % iShift ) == 0 ) );
if( iBool ? ( iSwitch == DO_CHARONLY_CHARONLY ||
iSwitch == DO_CHARONLY_WORDONLY )
: ( iSwitch == DO_CHARONLY_CHARREM ||
iSwitch == DO_CHARONLY_WORDREM ) )
{
for( pc = pcSub; pc < pcSub + iShift; pc++ )
pcRet[ sRetStrLen++ ] = *pc;
}
}
/* copy last character if string len is odd */
if( iShift == 2 && sStrLen % 2 == 1 )
pcRet[ sRetStrLen++ ] = pcString[ sStrLen - 1 ];
hb_retclen( pcRet, sRetStrLen );
hb_xfree( pcRet );
}
else
{
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode(), iError = 0;
if( iArgErrorMode != CT_ARGERR_IGNORE )
{
switch( iSwitch )
{
case DO_CHARONLY_CHARONLY:
iError = CT_ERROR_CHARONLY;
break;
case DO_CHARONLY_WORDONLY:
iError = CT_ERROR_WORDONLY;
break;
case DO_CHARONLY_CHARREM:
iError = CT_ERROR_CHARREM;
break;
case DO_CHARONLY_WORDREM:
iError = CT_ERROR_WORDREM;
break;
}
pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG, iError,
NULL, HB_ERR_FUNCNAME, 0, EF_CANSUBSTITUTE,
HB_ERR_ARGS_BASEPARAMS );
}
if( pSubst != NULL )
hb_itemReturnRelease( pSubst );
else
hb_retc_null();
}
}
/* helper function for the justxxx() functions */
static void do_justify( int iSwitch )
{
int iNoRet;
iNoRet = ct_getref() && ISBYREF( 1 );
if( ISCHAR( 1 ) )
{
const char * pcString = hb_parc( 1 );
HB_SIZE sStrLen = hb_parclen( 1 );
char cJustChar;
const char * pc;
char * pcRet, * pcw;
HB_SIZE sJustOffset;
if( sStrLen == 0 )
{
if( iNoRet )
hb_ret();
else
hb_retc_null();
return;
}
if( hb_parclen( 2 ) > 0 )
cJustChar = *( hb_parc( 2 ) );
else if( ISNUM( 2 ) )
cJustChar = ( char ) ( hb_parnl( 2 ) % 256 );
else
cJustChar = 0x20;
pcRet = ( char * ) hb_xgrab( sStrLen + 1 );
switch( iSwitch )
{
case DO_JUSTIFY_JUSTLEFT:
pc = pcString;
sJustOffset = 0;
while( ( *pc == cJustChar ) && ( pc < pcString + sStrLen ) )
{
sJustOffset++;
pc++;
}
hb_xmemcpy( pcRet, pcString + sJustOffset, (size_t) ( sStrLen - sJustOffset ) );
for( pcw = pcRet + sStrLen - sJustOffset; pcw < pcRet + sStrLen; pcw++ )
{
*pcw = cJustChar;
}
break;
case DO_JUSTIFY_JUSTRIGHT:
pc = pcString + sStrLen - 1;
sJustOffset = 0;
while( ( *pc == cJustChar ) && ( pc >= pcString ) )
{
sJustOffset++;
pc--;
}
for( pcw = pcRet; pcw < pcRet + sJustOffset; pcw++ )
{
*pcw = cJustChar;
}
hb_xmemcpy( pcRet + sJustOffset, pcString, (size_t) ( sStrLen - sJustOffset ) );
break;
}
if( ISBYREF( 1 ) )
hb_storclen( pcRet, sStrLen, 1 );
if( iNoRet )
{
hb_ret();
hb_xfree( pcRet );
}
else
hb_retclen_buffer( pcRet, sStrLen );
}
else /* ISCHAR( 1 ) */
{
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
{
pSubst = ct_error_subst( ( USHORT ) iArgErrorMode, EG_ARG,
iSwitch == DO_JUSTIFY_JUSTLEFT ?
CT_ERROR_JUSTLEFT : CT_ERROR_JUSTRIGHT,
NULL, HB_ERR_FUNCNAME, 0,
EF_CANSUBSTITUTE, HB_ERR_ARGS_BASEPARAMS );
}
if( pSubst != NULL )
hb_itemReturnRelease( pSubst );
else if( iNoRet )
hb_ret();
else
hb_retc_null();
}
}
/* helper function for the remxxx functions */
static void do_remove( int iSwitch )
{
/* param check */
if( HB_ISCHAR( 1 ) )
{
const char * pcString = hb_parc( 1 );
HB_SIZE sStrLen = hb_parclen( 1 );
const char * pcRet;
const char * pc;
HB_SIZE sRetLen;
char cSearch;
if( hb_parclen( 2 ) > 0 )
cSearch = *( hb_parc( 2 ) );
else if( HB_ISNUM( 2 ) )
cSearch = ( char ) ( hb_parnl( 2 ) % 256 );
else
cSearch = 0x20;
sRetLen = sStrLen;
pcRet = pcString;
if( iSwitch != DO_REMOVE_REMRIGHT )
{
while( ( *pcRet == cSearch ) && ( pcRet < pcString + sStrLen ) )
{
pcRet++;
sRetLen--;
}
}
if( iSwitch != DO_REMOVE_REMLEFT )
{
pc = pcString + sStrLen - 1;
while( ( *pc == cSearch ) && ( pc >= pcRet ) )
{
pc--;
sRetLen--;
}
}
if( sRetLen == 0 )
hb_retc_null();
else
hb_retclen( pcRet, sRetLen );
}
else
{
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG,
sulErrorSubcodes[ iSwitch ],
NULL, HB_ERR_FUNCNAME, 0,
EF_CANSUBSTITUTE, HB_ERR_ARGS_BASEPARAMS );
if( pSubst != NULL )
hb_itemReturnRelease( pSubst );
else
hb_retc_null();
}
}
/* helper function for the *one functions */
static void do_charone( int iSwitch )
{
const char * pcString;
HB_SIZE sStrLen;
const char * pcDeleteSet;
HB_SIZE sDeleteSetLen;
/* param check */
if( HB_ISCHAR( 1 ) )
{
if( HB_ISCHAR( 2 ) )
{
pcString = hb_parc( 2 );
sStrLen = hb_parclen( 2 );
pcDeleteSet = hb_parc( 1 );
sDeleteSetLen = hb_parclen( 1 );
}
else
{
pcString = hb_parc( 1 );
sStrLen = hb_parclen( 1 );
pcDeleteSet = NULL;
sDeleteSetLen = 0;
}
switch( iSwitch )
{
case DO_CHARONE_CHARONE:
if( sStrLen > 1 )
{
const char * pcSub;
char * pcRet;
HB_SIZE sRetStrLen = 0;
char cCurrent = *pcString;
pcRet = ( char * ) hb_xgrab( sStrLen );
/* copy first char */
pcRet[ sRetStrLen++ ] = cCurrent;
for( pcSub = pcString + 1; pcSub < pcString + sStrLen; pcSub++ )
{
if( *pcSub != cCurrent )
{
cCurrent = *pcSub;
pcRet[ sRetStrLen++ ] = cCurrent;
}
else if( pcDeleteSet != NULL &&
! ct_at_exact_forward( pcDeleteSet, sDeleteSetLen,
pcSub, 1, NULL ) )
{
pcRet[ sRetStrLen++ ] = cCurrent;
}
}
hb_retclen( pcRet, sRetStrLen );
hb_xfree( pcRet );
}
else
{
/* algorithm does nothing to 1-char-strings */
hb_retclen( pcString, sStrLen );
}
break;
case DO_CHARONE_WORDONE:
if( sStrLen > 3 && ( pcDeleteSet == NULL || sDeleteSetLen >= 2 ) )
{
const char * pcSub;
char * pcRet;
HB_SIZE sRetStrLen = 0;
char cCurrent1 = pcString[ 0 ];
char cCurrent2 = pcString[ 1 ];
pcRet = ( char * ) hb_xgrab( sStrLen );
/* copy first double char */
pcRet[ sRetStrLen++ ] = cCurrent1;
pcRet[ sRetStrLen++ ] = cCurrent2;
for( pcSub = pcString + 2; pcSub < pcString + sStrLen - 1; pcSub += 2 )
{
if( ! ( pcSub[ 0 ] == cCurrent1 && pcSub[ 1 ] == cCurrent2 ) )
{
cCurrent1 = pcSub[ 0 ];
cCurrent2 = pcSub[ 1 ];
pcRet[ sRetStrLen++ ] = cCurrent1;
pcRet[ sRetStrLen++ ] = cCurrent2;
}
else if( pcDeleteSet != NULL )
{
const char * pc = NULL;
const char * pStart = pcDeleteSet;
HB_SIZE sLen = sDeleteSetLen;
while( sLen >= 2 &&
( pc = ct_at_exact_forward( pStart, sLen, pcSub,
2, NULL ) ) != 0 &&
( pc - pcDeleteSet ) % 2 == 1 )
{
pStart = pc + 1;
sLen = sDeleteSetLen - ( pStart - pcDeleteSet );
}
if( pc == NULL )
{
pcRet[ sRetStrLen++ ] = cCurrent1;
pcRet[ sRetStrLen++ ] = cCurrent2;
}
}
}
/* copy last character if string len is odd */
if( sStrLen & 1 )
pcRet[ sRetStrLen++ ] = pcString[ sStrLen - 1 ];
hb_retclen( pcRet, sRetStrLen );
hb_xfree( pcRet );
}
else
{
/* algorithm does nothing to 3-char-strings */
hb_retclen( pcString, sStrLen );
}
break;
}
}
else
{
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
pSubst = ct_error_subst( ( HB_USHORT ) iArgErrorMode, EG_ARG,
iSwitch == DO_CHARONE_CHARONE ?
CT_ERROR_CHARONE : CT_ERROR_WORDONE,
NULL, HB_ERR_FUNCNAME, 0, EF_CANSUBSTITUTE,
HB_ERR_ARGS_BASEPARAMS );
if( pSubst != NULL )
hb_itemReturnRelease( pSubst );
else
hb_retc_null();
}
}
/* helper function for the countxxx functions */
static void do_count( int iSwitch )
{
/* param check */
if( ISCHAR( 1 ) )
{
const char * pcString = hb_parc( 1 );
size_t sStrLen = ( size_t ) hb_parclen( 1 );
size_t sRetVal;
const char * pc;
char cSearch;
if( hb_parclen( 2 ) > 0 )
cSearch = *( hb_parc( 2 ) );
else if( ISNUM( 2 ) )
cSearch = ( char ) ( hb_parnl( 2 ) % 256 );
else
cSearch = 0x20;
sRetVal = 0;
switch( iSwitch )
{
case DO_COUNT_COUNTLEFT:
{
pc = pcString;
while( ( *pc == cSearch ) && ( pc < pcString + sStrLen ) )
{
sRetVal++;
pc++;
}
}; break;
case DO_COUNT_COUNTRIGHT:
{
pc = pcString + sStrLen - 1;
while( ( *pc == cSearch ) && ( pc >= pcString ) )
{
sRetVal++;
pc--;
}
}; break;
}
hb_retns( sRetVal );
}
else /* if (ISCHAR (1)) */
{
PHB_ITEM pSubst = NULL;
int iArgErrorMode = ct_getargerrormode();
if( iArgErrorMode != CT_ARGERR_IGNORE )
{
pSubst = ct_error_subst( ( USHORT ) iArgErrorMode, EG_ARG,
( iSwitch == DO_COUNT_COUNTLEFT ? CT_ERROR_COUNTLEFT : CT_ERROR_COUNTRIGHT ),
NULL,
( iSwitch == DO_COUNT_COUNTLEFT ? "COUNTLEFT" : "COUNTRIGHT" ),
0, EF_CANSUBSTITUTE, 2,
hb_paramError( 1 ), hb_paramError( 2 ) );
}
if( pSubst != NULL )
{
hb_itemRelease( hb_itemReturnForward( pSubst ) );
}
else
{
hb_retnl( 0 );
}
}
}
