/* 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 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 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 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 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();
}
}
