Hi Javier,

One more thing (well two).

IMO to make this function more universal and even easier
to use and update (and usable for someone needing it for
translated text formatting), I think it would very
nice if there would be a possibility to specify the
_ordinals_ of those format strings:

cName := "Bond"; cCity := "Tokyo"
_SPD( "Hi, I'm %#01s from %#02s.", cName, cCity ) -> "Hi, I'm Bond from Tokyo" _SPD( "Hi, I'm from %#02s, my name is %#01s.", cName, cCity ) -> "Hi, I'm from Tokyo, my name is Bond"

[ I seem to recall there is a standard way to achieve this
in printf(), but I didn't find any specifics, so I might be
wrong. ]

To bring this to another level - but this is even more
out of scope of this one function -, it would be great
to have something where you can replace _named_ strings:

_FILL( "INSERT INTO stuff ( stuff_ID, stuff_Name ) VALUES ( %stuff_ID %, %stuff_Name% )",;
   { "stuff_ID" => cStuff_ID, "stuff_Name" => cStuff_Name } )

(or something along this line)

This could be useful for a number of purposes. Basically
a light form of template engine. Maybe it would be best
to mimic some existing standards for the format strings.

Brgds,
Viktor


On 2008.06.08., at 16:20, Javier wrote:

Tanks Viktor,
Please, change with more complete function.

Incorporate a new converter "%t" to print ANSI SQL's Strings and typing Dates and Numbers according to FIXED DECIMALS .-

? _Spd( "String's C to %t and Dates %t, Number %t \n", "String's ANSI SQL", Date(), 3.141516 )

Print NULL always if the parameter is NIL or NULL .-

? _Spd( "Sample of nil parameter for print SQL Field DECIMAL(18,6) = %18.6f \n", nil )

Complete functionality of sprintf() safe, like C, Java, PHP, Perl, Python, ... .-

? _Spd( "Phi = %.*f \n", 10, (1 + 5**0.5) / 2 )

Thanks so much.
Xavi

Szakáts Viktor escribió:
2008-06-07 13:26 UTC+0100 Viktor Szakats (harbour.01 syenar hu)
  * contrib/hbmisc/common.mak
  * contrib/hbmisc/Makefile
  - contrib/hbmisc/mathx.c
  + contrib/hbmisc/spd.c
    - Removed math functions equivalent with CT3 ones.
INCOMPATIBLE: If your code used CEIL() from hbmisc, please update it to use CEILING() from hbct. Functionality is the same.
    + Added _SPD() function.
      Contributed by Javier (jarabal at gmail.com)
--
Brgds,
Viktor


/*
* Harbour Project source code:
* _SPD() function
*
* Copyright 2008 Xavi <[EMAIL PROTECTED]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING.  If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/) .
*
* As a special exception, the Harbour Project gives permission for
* additional uses of the text contained in its release of Harbour.
*
* The exception is that, if you link the Harbour libraries with other
* files to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the Harbour library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the Harbour
* Project under the name Harbour.  If you copy code from other
* Harbour Project or Free Software Foundation releases into a copy of
* Harbour, as the General Public License permits, the exception does
* not apply to the code that you add in this way.  To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for Harbour, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*
*/

#include "hbapi.h"
#include "hbapiitm.h"
#include "hbapierr.h"
#include "hbdate.h"

static void STAItm( PHB_ITEM pItmPar )
{
  ULONG i, ulItmPar = hb_itemGetCLen( pItmPar );
  char *cRes, *c, *cItmPar = hb_itemGetCPtr( pItmPar );

  for( i = 3, c = cItmPar; *c; c++ ){
     if( *c == '\'' ) i++;   /* Count ' Tokens */
  }
  cRes = (char *)hb_xgrab( ulItmPar + i * sizeof(char) );
  i = 0; c = cItmPar; cRes[i++] = '\'';
  while( *c ){
     if( *c == '\'' ) cRes[i++] = '\'';
     cRes[i++] = *c++;
  }
  cRes[i++] = '\''; /* cRes[i] = '\0'; */
  hb_itemPutCPtr( pItmPar, cRes, i );
}

static ULONG SCItm( char *cBuffer, ULONG ulMaxBuf, char *cParFrm, int iCOut, int IsIndW, int iIndWidth, int IsIndP, int iIndPrec, PHB_ITEM pItmPar )
{
  ULONG s = 0;

  if( IsIndW && IsIndP ){
     switch( iCOut ){
     case 'p':
s = snprintf( cBuffer, ulMaxBuf, cParFrm, iIndWidth, iIndPrec, hb_itemGetPtr( pItmPar ) );
        break;
     case 's': case 'S':
s = snprintf( cBuffer, ulMaxBuf, cParFrm, iIndWidth, iIndPrec, hb_itemGetCPtr( pItmPar ) );
        break;
case 'e': case 'E': case 'f': case 'g': case 'G': case 'a': case 'A': s = snprintf( cBuffer, ulMaxBuf, cParFrm, iIndWidth, iIndPrec, hb_itemGetND( pItmPar ) );
        break;
case 'c': case 'C': case 'd': case 'i': case 'o': case 'u': case 'x': case 'X': s = snprintf( cBuffer, ulMaxBuf, cParFrm, iIndWidth, iIndPrec, (HB_IS_LONG( pItmPar ) ? hb_itemGetNL( pItmPar ) : hb_itemGetNI( pItmPar )) );
     }
  }else if( IsIndW || IsIndP ){
     int iInd = (IsIndW ? iIndWidth : iIndPrec);

     switch( iCOut ){
     case 'p':
s = snprintf( cBuffer, ulMaxBuf, cParFrm, iInd, hb_itemGetPtr( pItmPar ) );
        break;
     case 's': case 'S':
s = snprintf( cBuffer, ulMaxBuf, cParFrm, iInd, hb_itemGetCPtr( pItmPar ) );
        break;
case 'e': case 'E': case 'f': case 'g': case 'G': case 'a': case 'A': s = snprintf( cBuffer, ulMaxBuf, cParFrm, iInd, hb_itemGetND( pItmPar ) );
        break;
case 'c': case 'C': case 'd': case 'i': case 'o': case 'u': case 'x': case 'X': s = snprintf( cBuffer, ulMaxBuf, cParFrm, iInd, (HB_IS_LONG( pItmPar ) ? hb_itemGetNL( pItmPar ) : hb_itemGetNI( pItmPar )) );
     }
  }else{
     switch( iCOut ){
     case 'p':
s = snprintf( cBuffer, ulMaxBuf, cParFrm, hb_itemGetPtr( pItmPar ) );
        break;
     case 's': case 'S':
s = snprintf( cBuffer, ulMaxBuf, cParFrm, hb_itemGetCPtr( pItmPar ) );
        break;
case 'e': case 'E': case 'f': case 'g': case 'G': case 'a': case 'A': s = snprintf( cBuffer, ulMaxBuf, cParFrm, hb_itemGetND( pItmPar ) );
        break;
case 'c': case 'C': case 'd': case 'i': case 'o': case 'u': case 'x': case 'X': s = snprintf( cBuffer, ulMaxBuf, cParFrm, (HB_IS_LONG( pItmPar ) ? hb_itemGetNL( pItmPar ) : hb_itemGetNI( pItmPar )) );
     }
  }
  return s;
}

/ ******************************************************************************* * ANSI C sprintf() for ANSI SQL with DATE, DATETIME, LOGICAL, NIL, NUMERIC * ------------------------------------------------------------------------
* cRes := _SPD( cFrm, ... )
* cFrm : %s for DATE = YYYY-MM-DD, DATETIME = YYYY-MM-DD HH:MM:SS
*        %t for DATE = 'YYYY-MM-DD', DATETIME = 'YYYY-MM-DD HH:MM:SS'
*        %t for STRING = 'String''s ANSI SQL'
*        %t & %s for LOGICAL = TRUE | FALSE, %d for LOGICAL = 1 | 0
*        %t & %s is also for NUMERIC with FIXED DECIMALS
*        NIL or HB_IT_NULL = NULL
*
* NOTE .-
* Remove C ESC sequences and converts them to Clipper chars in cRes.
* OutStd( _SPD( 'Hello\nworld!' ) ) => like printf( "Hello \nworld!" );
* Accepts conversion inside if variable is passed by reference.
* Local xDate := Date(); _SPD('%s', @xDate) => xDate == '2008-05-19'
*
* TODO: Support for $ in format %.
*******************************************************************************/

#define DK_INCRES 1024
#define DK_INCBUF 512
#define DK_BLKBUF HB_MAX_DOUBLE_LENGTH   /* Expense of DK_INCBUF */
#define DK_FRMTIM "HH:MM:SS"

HB_FUNC( _SPD )
{
  ULONG ulItmFrm;
  char *cRes, *cItmFrm;
  int argc = hb_pcount() - 1;
  PHB_ITEM pItmFrm = hb_param( 1, HB_IT_STRING );

  if( !pItmFrm || (cItmFrm = hb_itemGetCPtr( pItmFrm )) == NULL ){
hb_errRT_BASE_SubstR( EG_ARG, 3012, NULL, "_SPD", 1, hb_paramError( 1 ) );
  }else if( !(ulItmFrm = hb_itemGetCLen( pItmFrm )) ){
     hb_retclen( "", 0 );
  }else if( !argc ){
     cRes = (char *)hb_xgrab( ulItmFrm + sizeof(char) );
     memcpy( cRes, cItmFrm, ulItmFrm + sizeof(char) );
     cRes = hb_strRemEscSeq( cRes, &ulItmFrm );
     hb_retclen( cRes, ulItmFrm );
     hb_xfree( cRes );
  }else{
     PHB_ITEM pItmPar;
     char *cBuffer, *cParFrm, *c;
int p, iCOut, IsType, IsIndW, IsIndP, iIndWidth, iIndPrec, iErrorPar = 0; ULONG s, f, i, ulWidth, ulParPos = 0, ulResPos = 0, ulMaxBuf = DK_INCBUF, ulMaxRes = DK_INCRES;
     static char cToken[] = "stcdiouxXaAeEfgGpnSC";

     cRes = (char *)hb_xgrab( ulMaxRes );
     cBuffer = (char *)hb_xgrab( ulMaxBuf );
     cParFrm = (char *)hb_xgrab( ulItmFrm + sizeof(char) );

     for( p = 0; p < argc; p++ ){

        c = cItmFrm + ulParPos;
        f = i = ulWidth = iCOut = IsType = IsIndW = IsIndP = 0;
        do{   /* Get Par Format */
           if( f && *c == '%' ){
              f = ulWidth = IsIndW = IsIndP = 0;
           }else if( f == 1 && !ulWidth && *c >= '0' && *c <= '9' ){
              ulWidth = atol( c );
           }else if( f && *c == '.' ){
              if( f++ == 2 ) iErrorPar = 1;
           }else if( f && *c == '*' ){
              if( f == 2 ){
                 if( IsIndP ){
                    f = 3; iErrorPar = 1;
                 }else{
                    IsIndP = 1;
                 }
              }else if( !IsIndW ){
                 ulWidth = IsIndW = 1;
              }else{
                 f = 3; iErrorPar = 1;
              }
           }else if( f && *c == '$' ){
              f = 3; iErrorPar = 1;   /* TO DO */
           }else if( f && strchr(cToken, *c) ){
              f = 3; iCOut = *c;
           }else if( *c == '%' ){
              f = 1;
           }
           cParFrm[i++] = *c++;
        }while( f < 3 && *c ); cParFrm[f = i] = '\0';
        if( iErrorPar ) break;

        if( iCOut == 't' ){
           if( cParFrm[f - 2] == '%' ){
              IsType = 1; iCOut = cParFrm[f - 1] = 's';
           }else{
              iErrorPar = 1; break;
           }
        }

        if( IsIndW  ){ /* Get Par Indirectly Width Item */
           pItmPar = hb_param( p + 2, HB_IT_INTEGER );
           if( pItmPar ){
              if( (iIndWidth = hb_itemGetNI( pItmPar )) < 0 ){
                 ulWidth = -iIndWidth;
              }else{
                 ulWidth = iIndWidth;
              }
           }else{
              iErrorPar = 1; break;
           }
           p++;
        }

        if( IsIndP ){  /* Get Par Indirectly Precision Item */
           pItmPar = hb_param( p + 2, HB_IT_INTEGER );
           if( pItmPar ){
              iIndPrec = hb_itemGetNI( pItmPar );
           }else{
              iErrorPar = 1; break;
           }
           p++;
        }

        if( *c && p == argc - 1 ){ /* No more Par Items */
           do{ cParFrm[i++] = *c; }while( *c++ ); i--;
        }  /* i == strlen(cParFrm) */

        pItmPar = hb_param( p + 2, HB_IT_ANY );   /* Get Par Item */
        if( !pItmPar ){
           iErrorPar = 1; break;
        }

        if( !iCOut || iCOut == 'n' ){ /* Par Text Out */

           for( f = i, i = 0; i < f; i++ ){ /* Change %% with % */
              if( cParFrm[i] == '%' && cParFrm[i + 1] == '%' ){
                 memcpy( cParFrm + i, cParFrm + i + 1, f - i );
                 f--;
              }
           }  /* i == strlen(cParFrm) */
           if( iCOut ){
              for( f = 0; f < i; f++ ){  /* Erase %n */
                 if( cParFrm[f] == '%' && cParFrm[f + 1] == 'n' ){
                    memcpy( cParFrm + f, cParFrm + f + 2, i - f - 1 );
                    break;
                 }
              }  /* f == Index % of n */
              if( f < i ){
                 i -= 2;  /* i == strlen(cParFrm) */
                 hb_itemPutNL( pItmPar, ulResPos + f );
              }else{
                 iErrorPar = 1; break;
              }
           }
           if( (f = i + sizeof(char)) > ulMaxBuf ){
              ulMaxBuf += f + DK_INCBUF;
              cBuffer = (char *)hb_xrealloc( cBuffer, ulMaxBuf );
           }
           strcpy( cBuffer, cParFrm ); s = i;

        }else{   /* Par Item sprintf() Out */

#        ifdef HB_IT_NULL
           if( (HB_IS_NIL( pItmPar ) || HB_IS_NULL( pItmPar )) ){
#        else
           if( HB_IS_NIL( pItmPar ) ){
#        endif
              ulWidth = f; IsIndW = IsIndP = 0;
              while( cParFrm[--f] != '%' );
iCOut = cParFrm[f + 1] = 's'; /* Change format with %s */ memcpy( cParFrm + f + 2, cParFrm + ulWidth, i - ulWidth + 1 );
              i -= ulWidth - f - 2;   /* i == strlen(cParFrm) */
              if( (f = i + 5) > ulMaxBuf ){
ulMaxBuf += f + DK_INCBUF; /* size of "NULL" == 5 */
                 cBuffer = (char *)hb_xrealloc( cBuffer, ulMaxBuf );
              }
              hb_itemPutCL( pItmPar, "NULL", 4 );
s = SCItm( cBuffer, ulMaxBuf, cParFrm, iCOut, IsIndW, iIndWidth, IsIndP, iIndPrec, pItmPar );

}else if( HB_IS_STRING( pItmPar ) && (iCOut == 's' || iCOut == 'S') ){
              if( IsType ) STAItm( pItmPar );
              f = hb_itemGetCLen( pItmPar );
              if( (f = i + HB_MAX(ulWidth, f)) > ulMaxBuf ){
                 ulMaxBuf += f + DK_INCBUF;
                 cBuffer = (char *)hb_xrealloc( cBuffer, ulMaxBuf );
              }
s = SCItm( cBuffer, ulMaxBuf, cParFrm, iCOut, IsIndW, iIndWidth, IsIndP, iIndPrec, pItmPar );

           }else if( HB_IS_DATE( pItmPar ) && iCOut == 's' ){
char cDTBuf[ 19 ], cDTFrm[ 28 ]; /* 26 + 2 if %t and change format time */

#           ifdef __XHARBOUR__
              if( HB_IS_DATETIME( pItmPar ) ){
hb_datetimeFormat( hb_itemGetDTS( pItmPar, cDTBuf ), cDTFrm, "YYYY-MM-DD", DK_FRMTIM );
              }else
#           endif
hb_dateFormat( hb_itemGetDS( pItmPar, cDTBuf ), cDTFrm, "YYYY-MM-DD" );

              if( (f = i + HB_MAX(ulWidth, 28)) > ulMaxBuf ){
                 ulMaxBuf += f + DK_INCBUF;
                 cBuffer = (char *)hb_xrealloc( cBuffer, ulMaxBuf );
              }
              hb_itemPutC( pItmPar, cDTFrm );
              if( IsType ) STAItm( pItmPar );
s = SCItm( cBuffer, ulMaxBuf, cParFrm, iCOut, IsIndW, iIndWidth, IsIndP, iIndPrec, pItmPar );

           }else if( HB_IS_LOGICAL( pItmPar ) ){
if( (f = i + (iCOut == 's' ? HB_MAX(ulWidth, 6) : HB_MAX(ulWidth, DK_BLKBUF))) > ulMaxBuf ){ ulMaxBuf += f + DK_INCBUF; /* size of "FALSE" == 6 */
                 cBuffer = (char *)hb_xrealloc( cBuffer, ulMaxBuf );
              }
              if( iCOut == 's' ){
hb_itemPutC( pItmPar, (hb_itemGetL( pItmPar ) ? "TRUE" : "FALSE") );
              }
s = SCItm( cBuffer, ulMaxBuf, cParFrm, iCOut, IsIndW, iIndWidth, IsIndP, iIndPrec, pItmPar );

           }else if( iCOut == 's' ){
char *cTrimStr, *cStr = hb_itemStr( pItmPar, NULL, NULL );

              if( cStr ){
f = strlen( cStr ); cTrimStr = hb_strLTrim( cStr, &f );
                 if( (f = i + HB_MAX(ulWidth, f)) > ulMaxBuf ){
                    ulMaxBuf += f + DK_INCBUF;
cBuffer = (char *)hb_xrealloc( cBuffer, ulMaxBuf );
                 }
                 hb_itemPutCL( pItmPar, cTrimStr, f );
s = SCItm( cBuffer, ulMaxBuf, cParFrm, iCOut, IsIndW, iIndWidth, IsIndP, iIndPrec, pItmPar );
                 hb_xfree( cStr );
              }else{
                 iErrorPar = p + 2; break;
              }

}else if( HB_IS_NUMERIC( pItmPar ) || HB_IS_POINTER( pItmPar ) ){
              if( (f = i + HB_MAX(ulWidth, DK_BLKBUF)) > ulMaxBuf ){
                 ulMaxBuf += f + DK_INCBUF;
                 cBuffer = (char *)hb_xrealloc( cBuffer, ulMaxBuf );
              }
s = SCItm( cBuffer, ulMaxBuf, cParFrm, iCOut, IsIndW, iIndWidth, IsIndP, iIndPrec, pItmPar );

           }else{
              iErrorPar = p + 2; break;
           }
        }

        if( (f = s + ulResPos + sizeof(char)) > ulMaxRes ){
           ulMaxRes += f + DK_INCRES;
           cRes = (char *)hb_xrealloc( cRes, ulMaxRes );
        }
        strcpy( cRes + ulResPos, cBuffer ); ulResPos += s;

        if( (ulParPos = c - cItmFrm) >= ulItmFrm ){
           break;   /* No more Par Format */
        }
     }
     hb_xfree( cParFrm ); hb_xfree( cBuffer );
     if( iErrorPar ){
        hb_xfree( cRes );
        if( iErrorPar > 1 ){
hb_errRT_BASE_SubstR( EG_ARG, 3012, NULL, "_SPD", 2, hb_paramError( 1 ), hb_paramError( iErrorPar ) );
        }else{
hb_errRT_BASE_SubstR( EG_ARG, 3012, NULL, "_SPD", 1, hb_paramError( 1 ) );
        }
     }else{
        cRes = hb_strRemEscSeq( cRes, &ulResPos );
        hb_retclen( cRes, ulResPos );
        hb_xfree( cRes );
     }
  }
}
/* END */
        
#if 0
/*
* Little change in Harbour hb_strRemEscSeq() to complete escape sequences ANSI C
*/
HB_EXPORT char * hb_strRemEscSeq( char *str, ULONG *pLen )
{
  ULONG ul = *pLen, ulStripped = 0;
  char *ptr, *dst, ch;

  ptr = dst = str;
  while( ul )
  {
     if( *ptr == '\\' )
        break;
     ++ptr; ++dst;
     --ul;
  }

  while( ul-- )
  {
     ch = *ptr++;
     if( ch == '\\' )
     {
        ++ulStripped;
        if( ul )
        {
           ul--;
           ch = *ptr++;
           switch( ch )
           {
              case 'a': ch = '\a'; break;
              case 'b':
                 ch = '\b';
                 break;
              case 'f': ch = '\f'; break;
              case 'n':
                 ch = '\n';
                 break;
              case 'r':
                 ch = '\r';
                 break;
              case 't':
                 ch = '\t';
                 break;
              case 'v': ch = '\v'; break;
              case '0':
              case '1':
              case '2':
              case '3':
              case '4':
              case '5':
              case '6':
              case '7':
                 ch -= '0';
                 if( ul && *ptr >= '0' && *ptr <= '7' )
                 {
                    ch = ( ch << 3 ) | ( *ptr++ - '0' );
                    ++ulStripped;
                    if( --ul && *ptr >= '0' && *ptr <= '7' )
                    {
                       ch = ( ch << 3 ) | ( *ptr++ - '0' );
                       ++ulStripped;
                       --ul;
                    }
                 }
                 break;
              case 'x':
                 ch = 0;
                 while( ul )
                 {
                    if( *ptr >= '0' && *ptr <= '9' )
                       ch = ( ch << 4 ) | ( *ptr++ - '0' );
                    else if( *ptr >= 'A' && *ptr <= 'F' )
                       ch = ( ch << 4 ) | ( *ptr++ - 'A' + 10 );
                    else if( *ptr >= 'a' && *ptr <= 'f' )
                       ch = ( ch << 4 ) | ( *ptr++ - 'a' + 10 );
                    else
                       break;
                    ++ulStripped;
                    --ul;
                 }
                 break;
              default: /* case '\\': // Also any ch */
                 break;
           }
        }
        else
           break;

     }
     *dst++ = ch;
  }

  if( ulStripped )
  {
     *dst = '\0';
     *pLen -= ulStripped;
  }

  return str;
}
#endif
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