/* 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(); } }