fivedev/harbour-core
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
a7e0e45857738c2bd33bf96186b9fdefccdcd3ac
harbour-core/include/hbapiitm.h
Przemysław Czerpak a7e0e45857 2016-06-23 00:54 UTC+0200 Przemyslaw Czerpak (druzus/at/poczta.onet.pl) 
* include/hbapiitm.h
  * src/vm/itemapi.c
    + added new C function:
         PHB_ITEM hb_itemPutNil( PHB_ITEM pItem );

  * src/rdd/dbf1.c
    ! fixed yet another RDDI_SETHEADER clearing in internal DBF RDD code
    * clear few passed variables before internal SELF_INFO() and
      SELF_RDDINFO() read calls - they were safe in current code but
      potentially may badly interact with 3-rd party DBF RDD wrappers.
2016-06-23 00:54:16 +02:00

238 lines
15 KiB
C
Raw Blame History

/*
* Header file for the Item API
*
* Copyright 1999 Antonio Linares <alinares@fivetech.com>
*
* 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.txt. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA (or visit the web site https://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.
*
*/
#ifndef HB_APIITM_H_
#define HB_APIITM_H_
#include "hbapi.h"
HB_EXTERN_BEGIN
#define HB_EVAL_PARAM_MAX_ 9
typedef struct
{
HB_USHORT paramCount;
PHB_ITEM pItems[ HB_EVAL_PARAM_MAX_ + 1 ];
} HB_EVALINFO, * PHB_EVALINFO;
extern HB_EXPORT PHB_ITEM hb_evalLaunch ( PHB_EVALINFO pEvalInfo );
extern HB_EXPORT HB_BOOL hb_evalNew ( PHB_EVALINFO pEvalInfo, PHB_ITEM pItem );
extern HB_EXPORT HB_BOOL hb_evalPutParam ( PHB_EVALINFO pEvalInfo, PHB_ITEM pItem );
extern HB_EXPORT HB_BOOL hb_evalRelease ( PHB_EVALINFO pEvalInfo );
extern HB_EXPORT void hb_evalBlock( PHB_ITEM pCodeBlock, ... );
extern HB_EXPORT void hb_evalBlock0( PHB_ITEM pCodeBlock );
extern HB_EXPORT void hb_evalBlock1( PHB_ITEM pCodeBlock, PHB_ITEM pParam );
extern HB_EXPORT HB_BOOL hb_execFromArray ( PHB_ITEM pParam );
extern HB_EXPORT PHB_ITEM hb_itemDo ( PHB_ITEM pItem, HB_ULONG ulPCount, ... );
extern HB_EXPORT PHB_ITEM hb_itemDoC ( const char * szFunc, HB_ULONG ulPCount, ... );
extern HB_EXPORT PHB_ITEM hb_itemArrayGet ( PHB_ITEM pArray, HB_SIZE nIndex );
extern HB_EXPORT PHB_ITEM hb_itemArrayNew ( HB_SIZE nLen );
extern HB_EXPORT PHB_ITEM hb_itemArrayPut ( PHB_ITEM pArray, HB_SIZE nIndex, PHB_ITEM pItem );
extern HB_EXPORT HB_SIZE hb_itemCopyC ( PHB_ITEM pItem, char * szBuffer, HB_SIZE nLen );
extern HB_EXPORT HB_BOOL hb_itemFreeC ( char * szText );
extern HB_EXPORT char * hb_itemGetC ( PHB_ITEM pItem );
extern HB_EXPORT const char * hb_itemGetCPtr ( PHB_ITEM pItem );
extern HB_EXPORT HB_SIZE hb_itemGetCLen ( PHB_ITEM pItem );
extern HB_EXPORT char * hb_itemGetDS ( PHB_ITEM pItem, char * szDate );
extern HB_EXPORT char * hb_itemGetTS ( PHB_ITEM pItem, char * szDateTime );
extern HB_EXPORT long hb_itemGetDL ( PHB_ITEM pItem );
extern HB_EXPORT double hb_itemGetTD ( PHB_ITEM pItem );
extern HB_EXPORT HB_BOOL hb_itemGetTDT ( PHB_ITEM pItem, long * plJulian, long * plMilliSec );
extern HB_EXPORT HB_BOOL hb_itemGetL ( PHB_ITEM pItem );
extern HB_EXPORT HB_BOOL hb_itemGetLX ( PHB_ITEM pItem );
extern HB_EXPORT double hb_itemGetND ( PHB_ITEM pItem );
extern HB_EXPORT double hb_itemGetNDDec ( PHB_ITEM pItem, int * piDec );
extern HB_EXPORT int hb_itemGetNI ( PHB_ITEM pItem );
extern HB_EXPORT long hb_itemGetNL ( PHB_ITEM pItem );
extern HB_EXPORT HB_ISIZ hb_itemGetNS ( PHB_ITEM pItem );
extern HB_EXPORT HB_MAXINT hb_itemGetNInt ( PHB_ITEM pItem );
extern HB_EXPORT void hb_itemGetNLen ( PHB_ITEM pItem, int * piWidth, int * piDec );
extern HB_EXPORT void * hb_itemGetPtr ( PHB_ITEM pItem );
extern HB_EXPORT void * hb_itemGetPtrGC ( PHB_ITEM pItem, const HB_GC_FUNCS * pFuncs );
extern HB_EXPORT PHB_SYMB hb_itemGetSymbol ( PHB_ITEM pItem );
extern HB_EXPORT PHB_ITEM hb_itemNew ( PHB_ITEM pNull );
extern HB_EXPORT void hb_itemInit ( PHB_ITEM pItem );
extern HB_EXPORT HB_USHORT hb_itemPCount ( void );
extern HB_EXPORT PHB_ITEM hb_itemParam ( HB_USHORT uiParam );
extern HB_EXPORT PHB_ITEM hb_itemPutC ( PHB_ITEM pItem, const char * szText );
extern HB_EXPORT PHB_ITEM hb_itemPutCL ( PHB_ITEM pItem, const char * szText, HB_SIZE nLen );
extern HB_EXPORT PHB_ITEM hb_itemPutCConst ( PHB_ITEM pItem, const char * szText );
extern HB_EXPORT PHB_ITEM hb_itemPutCLConst( PHB_ITEM pItem, const char * szText, HB_SIZE nLen );
extern HB_EXPORT PHB_ITEM hb_itemPutCPtr ( PHB_ITEM pItem, char * szText );
extern HB_EXPORT PHB_ITEM hb_itemPutCLPtr ( PHB_ITEM pItem, char * szText, HB_SIZE nLen );
extern HB_EXPORT void hb_itemSetCMemo ( PHB_ITEM pItem );
extern HB_EXPORT PHB_ITEM hb_itemPutD ( PHB_ITEM pItem, int iYear, int iMonth, int iDay );
extern HB_EXPORT PHB_ITEM hb_itemPutDS ( PHB_ITEM pItem, const char * szDate );
extern HB_EXPORT PHB_ITEM hb_itemPutTS ( PHB_ITEM pItem, const char * szDateTime );
extern HB_EXPORT PHB_ITEM hb_itemPutDL ( PHB_ITEM pItem, long lJulian );
extern HB_EXPORT PHB_ITEM hb_itemPutTD ( PHB_ITEM pItem, double dTimeStamp );
extern HB_EXPORT PHB_ITEM hb_itemPutTDT ( PHB_ITEM pItem, long lJulian, long lMilliSec );
extern HB_EXPORT PHB_ITEM hb_itemPutL ( PHB_ITEM pItem, HB_BOOL bValue );
extern HB_EXPORT PHB_ITEM hb_itemPutND ( PHB_ITEM pItem, double dNumber );
extern HB_EXPORT PHB_ITEM hb_itemPutNI ( PHB_ITEM pItem, int iNumber );
extern HB_EXPORT PHB_ITEM hb_itemPutNL ( PHB_ITEM pItem, long lNumber );
extern HB_EXPORT PHB_ITEM hb_itemPutNS ( PHB_ITEM pItem, HB_ISIZ nNumber );
extern HB_EXPORT PHB_ITEM hb_itemPutNInt ( PHB_ITEM pItem, HB_MAXINT nNumber );
extern HB_EXPORT PHB_ITEM hb_itemPutNIntLen( PHB_ITEM pItem, HB_MAXINT nNumber, int iWidth );
extern HB_EXPORT PHB_ITEM hb_itemPutNLen ( PHB_ITEM pItem, double dNumber, int iWidth, int iDec );
extern HB_EXPORT PHB_ITEM hb_itemPutNDLen ( PHB_ITEM pItem, double dNumber, int iWidth, int iDec );
extern HB_EXPORT PHB_ITEM hb_itemPutNDDec ( PHB_ITEM pItem, double dNumber, int iDec );
extern HB_EXPORT PHB_ITEM hb_itemPutNILen ( PHB_ITEM pItem, int iNumber, int iWidth );
extern HB_EXPORT PHB_ITEM hb_itemPutNLLen ( PHB_ITEM pItem, long lNumber, int iWidth );
extern HB_EXPORT PHB_ITEM hb_itemPutNumType( PHB_ITEM pItem, double dNumber, int iDec, int iType1, int iType2 );
extern HB_EXPORT PHB_ITEM hb_itemPutPtr ( PHB_ITEM pItem, void * pValue );
extern HB_EXPORT PHB_ITEM hb_itemPutPtrGC ( PHB_ITEM pItem, void * pValue );
extern HB_EXPORT PHB_ITEM hb_itemPutSymbol ( PHB_ITEM pItem, PHB_SYMB pSym );
extern HB_EXPORT PHB_ITEM hb_itemPutNil ( PHB_ITEM pItem );
extern HB_EXPORT HB_BOOL hb_itemRelease ( PHB_ITEM pItem );
extern HB_EXPORT PHB_ITEM hb_itemReturn ( PHB_ITEM pItem );
extern HB_EXPORT PHB_ITEM hb_itemReturnForward( PHB_ITEM pItem );
extern HB_EXPORT void hb_itemReturnRelease( PHB_ITEM pItem );
extern HB_EXPORT HB_SIZE hb_itemSize ( PHB_ITEM pItem );
extern HB_EXPORT HB_TYPE hb_itemType ( PHB_ITEM pItem );
extern HB_EXPORT const char * hb_itemTypeStr ( PHB_ITEM pItem );
#ifndef HB_LONG_LONG_OFF
extern HB_EXPORT HB_LONGLONG hb_itemGetNLL ( PHB_ITEM pItem );
extern HB_EXPORT PHB_ITEM hb_itemPutNLL ( PHB_ITEM pItem, HB_LONGLONG lNumber );
extern HB_EXPORT PHB_ITEM hb_itemPutNLLLen ( PHB_ITEM pItem, HB_LONGLONG lNumber, int iWidth );
#endif
/* Non Clipper compliant internal API */
extern HB_EXPORT PHB_ITEM hb_itemParamPtr ( HB_USHORT uiParam, long lMask );
extern HB_EXPORT HB_BOOL hb_itemParamStore( HB_USHORT uiParam, PHB_ITEM pItem );
extern HB_EXPORT HB_BOOL hb_itemParamStoreForward( HB_USHORT uiParam, PHB_ITEM pItem );
extern HB_EXPORT HB_BOOL hb_itemParamStoreRelease( HB_USHORT uiParam, PHB_ITEM pItem );
extern HB_EXPORT HB_BOOL hb_itemEqual ( PHB_ITEM pItem1, PHB_ITEM pItem2 );
extern HB_EXPORT HB_BOOL hb_itemCompare ( PHB_ITEM pItem1, PHB_ITEM pItem2, HB_BOOL bForceExact, int * piResult ); /* For compatible types compare pItem1 with pItem2 setting piResult to -1, 0 or 1 if pItem1 is <, == or > then pItem2 and return true otherwise return false. */
extern HB_EXPORT int hb_itemStrCmp ( PHB_ITEM pFirst, PHB_ITEM pSecond, HB_BOOL bForceExact ); /* our string compare */
extern HB_EXPORT int hb_itemStrICmp ( PHB_ITEM pFirst, PHB_ITEM pSecond, HB_BOOL bForceExact ); /* our string compare */
extern HB_EXPORT void hb_itemCopy ( PHB_ITEM pDest, PHB_ITEM pSource ); /* copies an item to one place to another respecting its containts */
extern HB_EXPORT void hb_itemCopyToRef ( PHB_ITEM pDest, PHB_ITEM pSource );
extern HB_EXPORT void hb_itemCopyFromRef( PHB_ITEM pDest, PHB_ITEM pSource );
extern HB_EXPORT void hb_itemMove ( PHB_ITEM pDest, PHB_ITEM pSource ); /* moves the value of an item without incrementing of reference counters, source is cleared */
extern HB_EXPORT void hb_itemMoveRef ( PHB_ITEM pDest, PHB_ITEM pSource );
extern HB_EXPORT void hb_itemMoveToRef ( PHB_ITEM pDest, PHB_ITEM pSource );
extern HB_EXPORT void hb_itemMoveFromRef( PHB_ITEM pDest, PHB_ITEM pSource );
extern HB_EXPORT void hb_itemClear ( PHB_ITEM pItem );
extern HB_EXPORT PHB_ITEM hb_itemUnRef ( PHB_ITEM pItem ); /* de-references passed variable */
extern HB_EXPORT PHB_ITEM hb_itemUnRefOnce ( PHB_ITEM pItem ); /* de-references passed variable, one step*/
extern HB_EXPORT PHB_ITEM hb_itemUnRefRefer( PHB_ITEM pItem ); /* de-references passed variable, leaving the last reference */
extern HB_EXPORT PHB_ITEM hb_itemUnRefWrite( PHB_ITEM pItem, PHB_ITEM pSource ); /* de-references passed variable for writing */
extern HB_EXPORT PHB_ITEM hb_itemUnShare ( PHB_ITEM pItem ); /* un-share given string item */
extern HB_EXPORT PHB_ITEM hb_itemUnShareString( PHB_ITEM pItem ); /* un-share given string item - the pItem have to be valid unrefed string item */
extern HB_EXPORT PHB_ITEM hb_itemReSizeString( PHB_ITEM pItem, HB_SIZE nSize ); /* Resize string buffer of given string item - the pItem have to be valid unrefed string item */
extern HB_EXPORT HB_BOOL hb_itemGetWriteCL( PHB_ITEM pItem, char ** pszValue, HB_SIZE * pnLen );
extern HB_EXPORT PHB_ITEM hb_itemClone ( PHB_ITEM pItem ); /* clone the given item */
extern HB_EXPORT void hb_itemCloneTo ( PHB_ITEM pDest, PHB_ITEM pSource ); /* clone the given item */
extern HB_EXPORT char * hb_itemStr ( PHB_ITEM pNumber, PHB_ITEM pWidth, PHB_ITEM pDec ); /* convert a number to a string */
extern HB_EXPORT char * hb_itemString ( PHB_ITEM pItem, HB_SIZE * nLen, HB_BOOL * bFreeReq ); /* Convert any scalar to a string */
extern HB_EXPORT HB_BOOL hb_itemStrBuf ( char *szResult, PHB_ITEM pNumber, int iSize, int iDec ); /* convert a number to a string */
extern HB_EXPORT PHB_ITEM hb_itemValToStr ( PHB_ITEM pItem ); /* Convert any scalar to a string */
extern HB_EXPORT char * hb_itemPadConv ( PHB_ITEM pItem, HB_SIZE * pnSize, HB_BOOL * bFreeReq );
extern HB_EXPORT void hb_itemSwap ( PHB_ITEM pItem1, PHB_ITEM pItem2 );
extern HB_EXPORT char * hb_itemSerialize( PHB_ITEM pItem, int iFlags, HB_SIZE * pnSize );
extern HB_EXPORT PHB_ITEM hb_itemDeserialize( const char ** pBufferPtr, HB_SIZE * pnSize );
#if defined( _HB_API_INTERNAL_ )
extern PHB_ITEM hb_itemPutPtrRawGC( PHB_ITEM pItem, void * pValue );
# define hb_itemSetNil( item ) do { \
if( HB_IS_COMPLEX( item ) ) \
hb_itemClear( item ); \
else \
(item)->type = HB_IT_NIL; \
} while( 0 )
# define hb_itemRawCpy( dst, src ) do { *(dst) = *(src); } while( 0 )
# define hb_itemRawSwap( dst, src ) do { \
HB_ITEM temp; \
hb_itemRawCpy( &temp, dst ); \
hb_itemRawCpy( dst, src ); \
hb_itemRawCpy( src, &temp ); \
} while( 0 )
#if 1
# define hb_itemRawMove( dst, src ) do { \
hb_itemRawCpy( dst, src ); \
(src)->type = HB_IT_NIL; \
} while( 0 )
#else /* _HB_API_INTERNAL_ */
# define hb_itemRawMove( dst, src ) hb_itemMove( (dst), (src) )
#endif
/* intentional low level hack to eliminate race condition in
* unprotected readonly access in few places in core code only.
* hb_item[Raw]Move() moves HB_ITEM structure members first coping
* 'type' and then 'item' parts of HB_ITEM. In this macro the order
* is reverted. [druzus]
*/
# define hb_itemSafeMove( dst, src ) do { \
(dst)->item = (src)->item; \
(dst)->type = (src)->type; \
(src)->type = HB_IT_NIL; \
} while( 0 )
#else
# define hb_itemSetNil( item ) hb_itemClear( (item) )
# define hb_itemRawMove( dst, src ) hb_itemMove( (dst), (src) )
#endif /* _HB_API_INTERNAL_ */
HB_EXTERN_END
#endif /* HB_APIITM_H_ */
Reference in New Issue View Git Blame Copy Permalink