コード例 #1
0
ファイル: justify.c プロジェクト: xharbour/core
/* 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();
   }
}
コード例 #2
0
ファイル: charswap.c プロジェクト: ggargano/hbtest2
/* 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();
   }
}
コード例 #3
0
ファイル: token1.c プロジェクト: JamesLinus/core
/* 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;
         }
      }
   }
}
コード例 #4
0
ファイル: justify.c プロジェクト: philippe78/TrioGesmag
/* 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;

}
コード例 #5
0
ファイル: replace.c プロジェクト: AMHF/core
/* 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();
   }
}