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campo-sirio/include/isam.cpp
angelo 7fc9ac8d8e Modificata la get_memo(), rimuove l'eventuale \r alla fine della 
riga ed esegue il ciclo per il numero effettivo di item nella TToken_string.


git-svn-id: svn://10.65.10.50/trunk@3183 c028cbd2-c16b-5b4b-a496-9718f37d4682
1996-07-15 07:14:58 +00:00

3354 lines
78 KiB
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Executable File
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#include <stdio.h>
#include <stdlib.h>
#define __ISAM_CPP
#ifndef FOXPRO
#include <applicat.h>
#include <expr.h>
#include <execp.h>
#include <progind.h>
#endif
#include <config.h>
#include <extcdecl.h>
#include <mailbox.h>
#include <prefix.h>
#include <relation.h>
#include <scanner.h>
#include <utility.h>
#include <memo.h>
#include <codeb.h>
#if XVT_OS==XVT_OS_WIN
#include <process.h>
#else
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#endif
#define NOT_OPEN() CHECKS(_isamfile != NULL, "File chiuso: ", (const char*)name())
//#define INTTLOCK 0x600
#define RECLOCKTYPES 0xFF00
#define READTYPES 0x00FF
isfdptr* openf;
Str80 cprefix;
HIDDEN int error_codes_g[] = {-1,_isnotopen,-1,-1,-1,_islocked,-1,-1,-1,-1,-1,-1,_isfilefull,
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,_iskeynotfound,_ispatherr,-1,-1,_isdupkey};
HIDDEN int error_codes_ra[] = {NOERR,NOERR,_iskeynotfound,_iseof,_isbof,_isnrecerr} ;
// Codici da 0 a 9
HIDDEN int error_codes_rb[] = {-1,-1,_isreinsert,-1,-1,_islocked,-1,_isalropen,_iskeyerr } ;
// Codici da 10 a ...
extern "C" {
void CUpString(char*);
void crtrim(char*);
};
HIDDEN char _isam_string[257];
HIDDEN void UNKNOWN_FIELD(int num, const char* name)
{ yesnofatal_box("Il campo '%s' non appartiene al file %d", name, num); }
#define NOALLOC (char **) -1
HIDDEN bool __autoload = TRUE;
////////////////////////////////////////////////////////////////////////////////////////////////////
// Funzioni implementate per la gestione file dati tramite Codebase
////////////////////////////////////////////////////////////////////////////////////////////////////
// Inizio(@)
// @doc INTERNAL
// @func Ritorna una Token_string con in nome dell'indice
void get_idx_names(
int logicnum, // @parm Numero logico del file di cui riconoscere l'indice
TToken_string& i_names) // @parm Token_string in cui inserire il nome dell'indice
// @comm Ritorna il nome con il prefisso corrente
{
long c = DB_getconf();
TDir d;
TTrec r;
d.get(logicnum);
r.get(logicnum);
TFilename f(d.name());
if ( c & 1) f.ext("cdx");
if ( c & 4) f.ext("mdx");
i_names.cut(0);
i_names.add(f);
f.ext("");
f.rtrim(1);
if (c & 2 || c & 8) // DBIII or CLIPPER format, returns f_name + .cgp, f_nameX + .n{d|t}x
for (int j=1; j<=r.keys();j++)
{
TString xx=f.name();
if (xx.len()<8)
f << ('0' + j);
else
f[8] = ('0' + j);
if (c & 2) // CLIPPER
f.ext("ndx");
else // DBIII
f.ext("ntx");
i_names.add(f);
}
i_names.restart();
}
int get_error(int err)
{
if (err > 0)
{
if (err >= 10)
{
if (err > 80 || error_codes_rb[err/10]==-1) return err;
else
return(error_codes_rb[err/10]);
}
else
return(error_codes_ra[err]);
}
else
if (err < 0)
{
int ierr = DB_get_error();
if (ierr < 0) ierr = -ierr;
if (ierr > 340 || error_codes_g[ierr/10]==-1)
return (-ierr);
return (error_codes_g[ierr/10]);
}
DB_zero_error();
return(NOERR);
}
HIDDEN bool lf_has_memo( const TTrec& r )
{
bool ret = FALSE;
int nfields = r.fields( );
for( int i = 0; i < nfields && !ret; i ++ )
{
TToken_string s( r.fielddef( i ) );
if ( s.get_int( 1 ) == _memofld )
ret = TRUE;
}
return ret;
}
HIDDEN bool lf_has_memo( const int lffile )
{
TDir d;
d.get(lffile);
if (d.len() == 0)
return FALSE;
TTrec r;
r.get( lffile );
bool ret = FALSE;
int nfields = r.fields( );
for( int i = 0; i < nfields && !ret; i ++ )
{
TToken_string s( r.fielddef( i ) );
if ( s.get_int( 1 ) == _memofld )
ret = TRUE;
}
return ret;
}
HIDDEN void browse_null(char *start, int nc)
{
for (int i = nc - 1; i >= 0 ; i--) // Anche il primo byte(deletion flag) deve essere cambiato. nc comprende il primo byte
if (start[i] == '\0') start[i] = ' ';
}
HIDDEN void getisfd(isfdptr & isfd, int logicnum)
{
isfd = new isdef ;
isfd->r = new RecDes ;
isfd->d = new FileDes ;
CGetFile(logicnum, isfd->d, _nolock, _nordir);
const TFixed_string name(isfd->d->SysName);
if (name.not_empty() && name[0] != '$')
isfd->ft = _comdir;
else
isfd->ft = _nordir;
COpenFile(logicnum, isfd->d, _nolock, isfd->ft);
CGetRec(logicnum, isfd->r, isfd->ft);
isfd->ln = logicnum;
}
HIDDEN void relisfd(isfdptr & isfd)
{
if (isfd->ln > 0 && isfd->fhnd >= 0)
{
TDir d;
d.get(isfd->ln, _lock, (TDirtype) isfd->ft, _sysdirop);
d.eod() = isfd->d->EOD;
d.eox() = isfd->d->EOX;
d.put(isfd->ln, (TDirtype) isfd->ft, _sysdirop);
}
delete isfd->d;
delete isfd->r;
delete isfd;
#ifdef DBG
isfd = NULL; // Per provocare errori
#endif
}
HIDDEN int CBuildKey(RecDes *recd, int numkey, RecType recin, char *key, bool build_x_cb)
/* *recd; descrittore record */
/* numkey; numero chiave */
/* recin; buffer contenente il record */
/* *key; valore della chiave */
/* build_x_cb flag di costruzione per codebase */
{
CHECKD(numkey > 0, "Can't build key ", numkey);
key[0] = '\0';
if (numkey-- <= recd->NKeys)
{
int l = 0;
for (int i = 0; i < recd->Ky[numkey].NkFields; i++)
{
const KeyDes& kd = recd->Ky[numkey];
const bool upp = kd.FieldSeq[i] > MaxFields;
const int nf = upp ? kd.FieldSeq[i] - MaxFields : kd.FieldSeq[i];
const RecFieldDes& rf = recd->Fd[nf];
const TFieldtypes f = (TFieldtypes) rf.TypeF;
int off, len;
if (kd.FromCh[i] == 255)
{
off = rf.RecOff;
len = rf.Len;
}
else
{
off = rf.RecOff + kd.FromCh[i];
len = kd.ToCh[i] - kd.FromCh[i] + 1;
}
if ((l + len) > 80)
{
key[0] = '\0';
return(_iskeylenerr);
}
if (f == _boolfld /* && build_x_cb */)
{
const bool on = *(recin + off) > ' ' && strchr("STXY", *(recin + off)) != NULL;
key[l] = on ? 'T' : 'F';
}
else
{
strncpy((key + l), (recin + off), len);
}
if (recin[off] == '\0')
{
memset(key + l, ' ', len);
if (build_x_cb && ((f == _intfld) || (f == _longfld) || (f == _wordfld) ||
(f == _intzerofld) || (f == _longzerofld)))
key[l + len - 1] = '0';
}
else
if ((f == _intfld) || (f == _longfld) || (f == _wordfld) || (f == _intzerofld) || (f == _longzerofld))
{
int w = l, j = l + len;
while (w < j && key[w] == ' ') w++;
while (w < j && key[w] == '0') key[w++] = ' ';
if (build_x_cb && (w == j)) key[w-1] = '0';
}
if (upp)
for (int i = l+len-1; i >= l; i--)
key[i] = toupper(key[i]);
l += len;
}
// rtrim
while (l > 0 && key[l-1] == ' ') l--;
key[l] = '\0';
return(NOERR);
}
return(_ispatherr);
}
HIDDEN int cisstart(isfdptr isfd, int keynum, TRectype & record, unsigned int mode)
{
// It seems quite unuseful... Quando cambio la chiave con setkey, la d4tagselect
// seleziona gia' l'indice, rendendo inutile il senso della cisstart
return NOERR;
}
HIDDEN int cisread(isfdptr isfd, TRectype & record, int mode)
{
int rmode = (mode & READTYPES), lmode = (mode & RECLOCKTYPES);
// Non usare mai _isnextn o _isprevn, usare il metodo skip!
CHECK (rmode !=_isnextn && rmode !=_isprevn, "_isnextn and _isprevn not supported in cisread");
char key[128];
int err = NOERR ;
do
{
if (rmode>=_isequal && rmode<=_isgteq)
{
err=CBuildKey(isfd->r, isfd->knum, record.string(),key,TRUE);
if (err == NOERR)
{
err = DB_seek(isfd->fhnd,key);
if (rmode == _isgreat && err == NOERR)
err = DB_next(isfd->fhnd);
if (err != NOERR)
err = get_error(err);
}
if (rmode != _isequal && err == _iskeynotfound)
err = NOERR;
}
else
{
if (rmode==_isfirst)
err=DB_first(isfd->fhnd); else
if (rmode==_islast)
err=DB_last(isfd->fhnd); else
if (rmode==_isnext)
err=DB_next(isfd->fhnd); else
if (rmode==_isprev)
err=DB_prev(isfd->fhnd); else
if (rmode==_iscurr)
err=DB_go(isfd->fhnd,DB_recno(isfd->fhnd));
if (err != NOERR) err=get_error(err);
}
if (err == _iseof)
DB_last(isfd->fhnd);
if (err == NOERR && (lmode == _lock || lmode == _testandlock)) // _lock e _testandlock
{
err=DB_lock(isfd->fhnd);
if (err != NOERR) err=get_error(err);
if (err == _islocked && lmode == _testandlock) break;
}
if (err == _islocked)
{
memcpy(record.string(),DB_getrecord(isfd->fhnd),DB_reclen(isfd->fhnd));
CBuildKey(isfd->r, isfd->knum, record.string(), key, TRUE);
message_box("Codice %s in uso da parte\ndi un altro utente.", key);
}
} while (err ==_islocked);
if (err == NOERR && lmode == _unlock)
{
err=DB_unlock(isfd->fhnd);
if (err != NOERR) err=get_error(err);
}
memcpy(record.string(),DB_getrecord(isfd->fhnd),DB_reclen(isfd->fhnd));
isfd->RecNo = DB_recno(isfd->fhnd);
return err;
}
HIDDEN int delkeys(isfdptr fd, char* record,long recno)
{
int rt=NOERR,oldkey = fd->knum;
for (int i=1; i<=fd->r->NKeys;i++)
{
char key[128];
DB_tagselect(fd->fhnd,i);
rt=CBuildKey(fd->r,i,record,key,TRUE);
if (rt!=NOERR) break;
rt=DB_delkey(fd->fhnd,key,recno);
if (rt!=NOERR) break;
}
DB_tagselect(fd->fhnd,oldkey);
return(rt);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
// Funzioni implementate per la gestione file dati tramite Codebase
////////////////////////////////////////////////////////////////////////////////////////////////////
// Fine(@)
// @doc EXTERNAL
// @func Setta il valore della variabile <p __autoload>
void set_autoload_new_files(
bool on) // @parm Valore da assegnare
// @comm Il valore di <p __autoload> indica il caricamento dei valori standard dei file
{
__autoload = on;
}
void TMemo_info::put( const char * fieldname, const char * data )
{
int index( findfld( rec_des( ), ( char * ) fieldname ) );
_dirty.set( index );
_data.add( data, index );
}
TMemo_info::TMemo_info( const TRectype * owner, const TRecnotype recno )
: _owner(owner), _recno(recno)
{
}
TMemo_info::~TMemo_info( )
{
}
RecDes * TMemo_info::rec_des( ) const
{
return _owner->rec_des() ;
}
int TMemo_info::num() const
{
return _owner->num() ;
}
TString& TMemo_info::get( const char * fieldname )
{
int index( findfld( rec_des( ), ( char * )fieldname ) );
if ( _data.objptr( index ) )
{
if( _dirty[ index ] )
return _data.row( index );
}
if( _recno >= 0 )
{
TLocalisamfile posfile( num() );
isdef * def = posfile.filehnd( );
DB_go( def->fhnd, _recno );
_data.add( DB_memoptr( def->fhnd, fieldname ), index );
}
else
_data.add( "", index );
return _data.row( index );
}
void TMemo_info::write_data( isdef * def )
{
CHECK( _recno > 0, "Maiale! Non fare le GO con _recno < 0 " );
DB_go( def->fhnd, _recno );
RecDes *r = rec_des( );
for( int i = _data.last( ); i > 0; i = _data.pred( i ) )
DB_memowrite( def->fhnd, r->Fd[ i ].Name, ( char * )( const char * )_data.row( i ) );
reset( );
}
bool TMemo_info::memo_loaded( const char * fieldname )
{
int index( findfld( rec_des( ), ( char * )( const char * )fieldname ) );
return ( _data.objptr( index ) != NULL );
}
TMemo_info::TMemo_info( const TRectype * owner, TMemo_info& memoinfo)
: _owner(owner)
{
_recno = memoinfo._recno;
_data = memoinfo._data;
_dirty = memoinfo._dirty;
}
void TMemo_info::reset( )
{
_data.destroy( );
_dirty.reset( );
}
void TRectype::init_memo_info(const TRecnotype recnum )
{
if( _memoinfo )
{
_memoinfo->reset();
_memoinfo->recno( recnum);
// delete _memoinfo;
}
else
_memoinfo = new TMemo_info( this, recnum );
}
void TRectype::write_memo_info( isdef * def ) const
{
CHECK( _memoinfo, "Tentativo di registrare una TMemo_info vuota," );
_memoinfo->write_data( def );
}
///////////////////////////////////////////////////////////
// TExtrectype
///////////////////////////////////////////////////////////
class TExtrectype : public TRectype
{
RecDes* _rd;
protected: // TRectype
virtual RecDes* rec_des() const { return _rd; }
public:
// FPUB
TExtrectype(const TTrec& r); // Costruisce il record a partire da r
virtual ~TExtrectype() {}
};
TExtrectype::TExtrectype(const TTrec& r) : TRectype(r.num())
{
delete _rec;
_length = r.len();
_rec = new char [ _length ];
_rd = r.rec();
if( lf_has_memo(r))
init_memo_info(RECORD_NON_FISICO );
zero();
}
///////////////////////////////////////////////////////////
// TBaseisamfile
///////////////////////////////////////////////////////////
TBaseisamfile::TBaseisamfile(int logicnum, bool linkrecinst)
{
_isamfile = NULL;
_logicnum = logicnum;
_lasterr = NOERR;
_delopenrec = FALSE;
if ((openrec[_logicnum - 1] == NULL) || (!linkrecinst))
{
_current = new TRectype(this);
if (openrec[_logicnum - 1] == NULL)
{
openrec[_logicnum - 1] = _current;
_delopenrec = TRUE;
}
_delrec = TRUE;
}
else
{
_current = openrec[_logicnum - 1];
_delrec = FALSE;
}
// _historicfile = ((r.field(RFLD_SYS_DATE) != FIELDERR) &&
// (r.field(RFLD_SYS_FIRST) != FIELDERR) &&
// (r.field(RFLD_SYS_LAST) != FIELDERR));
_historicfile = FALSE;
_has_memo = lf_has_memo( _logicnum );
}
TBaseisamfile::~TBaseisamfile()
{
if (_delrec)
{
if (_delopenrec)
openrec[_logicnum - 1] = NULL;
delete _current;
}
if (_isamfile != NULL)
delete _isamfile;
}
int TBaseisamfile::gethr(TRectype& rec, TDate& atdate)
{
TRecfield fd0(rec, RFLD_SYS_DATE);
TDate d0((const TDate&) fd0);
if (d0 < atdate)
{
atdate = eotime;
return NOERR;
}
TRectype wr(rec);
TRecfield flf(wr, RFLD_SYS_FIRST),
fll(wr, RFLD_SYS_LAST),
fd1(wr, RFLD_SYS_DATE);
TDate d1;
TRecnotype wr0 = RECORD_NON_FISICO, wr1 = RECORD_NON_FISICO;
if ((wr0 == flf.ptr()) == RECORD_NON_FISICO) return _iskeynotfound;
_hf.read(wr.string(), wr0);
if ((d1 = (const TDate&) fd1) > atdate)
{
rec = wr;
atdate = d0 - 1L;
return _iskeynotfound;
}
while ((d1 < atdate) && (wr0 > 0))
{
rec = wr;
wr1 = wr0;
if ((wr0 = fll.ptr()) > 0)
{
_hf.read(wr.string(), wr0);
d1 = (const TDate&) fd1;
}
}
if (wr0 <= 0)
atdate = d0 - 1L;
else
atdate = d1 - 1L;
return NOERR;
}
int TBaseisamfile::addhr(const TRectype& rec, TDate& atdate)
{
return NOERR;
}
int TBaseisamfile::rewhr(const TRectype& rec, TDate& atdate)
{
return NOERR;
}
int TBaseisamfile::delhr(const TRectype& rec, TDate& atdate)
{
return NOERR;
}
long TBaseisamfile::items() const
{
NOT_OPEN();
return(DB_reccount(filehnd()->fhnd));
}
const char* TBaseisamfile::name() const
{
sprintf(_isam_string, "%d", num());
return _isam_string;
}
const char* TBaseisamfile::filename() const
{
if (_isamfile == NULL)
{
TDir d;
d.get(num());
strcpy(_isam_string, d.filename());
}
else
{
strcpy(_isam_string, _isamfile->d->SysName);
strcat(_isam_string, ".dbf");
}
return _isam_string;
}
const char* TBaseisamfile::description() const
{
if (_isamfile == NULL)
{
TDir d;
d.get(num());
strcpy(_isam_string, d.des());
return _isam_string;
}
return _isamfile->d->Des;
}
bool TBaseisamfile::has_memo( )
{
return _has_memo;
}
TRecnotype TBaseisamfile::eod() const
{
NOT_OPEN();
return(DB_reccount(_isamfile->fhnd));
}
void TBaseisamfile::setkey(int nkey)
{
CHECKD(nkey > 0 && nkey-1 <= _isamfile->r->NKeys, "Chiave non valida ", nkey);
NOT_OPEN();
int rt = DB_tagselect(_isamfile->fhnd,nkey);
if (rt>=0) _isamfile->knum=nkey;
if (rt!=NOERR) rt=get_error(rt);
if (_lasterr == NOERR) setstatus(rt);
}
int TBaseisamfile::getkey() const
{
NOT_OPEN();
CHECKD(DB_tagget(_isamfile->fhnd) == _isamfile->knum, "Chiave inconsistente sul file ", _logicnum);
return _isamfile->knum;
}
int TBaseisamfile::first(word lockop)
{
NOT_OPEN();
curr().setdirty();
_lasterr=cisread(_isamfile, curr(), _isfirst + lockop);
if (_lasterr != NOERR) _lasterr = get_error(_lasterr);
_recno = _isamfile->RecNo;
if( has_memo( ) )
curr( ).init_memo_info(_recno);
return _lasterr;
}
int TBaseisamfile::last(word lockop)
{
NOT_OPEN();
curr().setdirty();
_lasterr=cisread(_isamfile, curr(), _islast + lockop );
if (_lasterr != NOERR) _lasterr = get_error(_lasterr);
_recno = _isamfile->RecNo;
if( has_memo( ) )
curr( ).init_memo_info(_recno);
return _lasterr;
}
int TBaseisamfile::next(word lockop)
{
NOT_OPEN();
curr().setdirty();
if (_recno != DB_recno(_isamfile->fhnd))
{
_lasterr = cisread(_isamfile, curr(), _isgteq + lockop);
if (_lasterr != NOERR)
{
_lasterr = get_error(_lasterr);
if (_lasterr != _islocked && _lasterr != _iseof)
fatal_box("Errore nella next %d : non posso riposizionarmi", _lasterr);
}
}
else
{
_lasterr=cisread(_isamfile, curr(), _isnext + lockop);
if (_lasterr != NOERR) _lasterr = get_error(_lasterr);
}
_recno = _isamfile->RecNo;
if( has_memo( ) )
curr( ).init_memo_info(_recno );
return _lasterr;
}
int TBaseisamfile::next(TDate& atdate)
{
error_box("TBaseisamfile::next(TDate&) is no more available");
return NOERR;
}
int TBaseisamfile::prev(word lockop)
{
NOT_OPEN();
curr().setdirty();
if (_recno != DB_recno(_isamfile->fhnd))
{
_lasterr = DB_go(_isamfile->fhnd, _recno);
if (_lasterr != NOERR)
{
_lasterr = get_error(_lasterr);
if (_lasterr != _islocked)
fatal_box("Errore nella prev %d : non posso riposizionarmi", _lasterr);
}
}
_lasterr=cisread(_isamfile, curr(), _isprev + lockop);
if (_lasterr != NOERR) _lasterr = get_error(_lasterr);
_recno = _isamfile->RecNo;
if( has_memo( ) )
curr( ).init_memo_info(_recno);
return _lasterr;
}
int TBaseisamfile::prev(TDate& atdate)
{
error_box("TBaseisamfile::prev(TDate&) is no more available");
return NOERR;
}
int TBaseisamfile::reread(word lockop, TDate& atdate)
{
NOT_OPEN();
curr().setdirty();
_lasterr=cisread(_isamfile, curr(), _iscurr + lockop);
if (_lasterr != NOERR) _lasterr = get_error(_lasterr);
_recno = _isamfile->RecNo;
if( has_memo( ) )
curr( ).init_memo_info(_recno);
return _lasterr;
}
int TBaseisamfile::reread(TRectype& rec, word lockop, TDate& atdate)
{
NOT_OPEN();
rec.setdirty();
_lasterr=cisread(_isamfile, rec, _iscurr + lockop);
if (_lasterr != NOERR) _lasterr = get_error(_lasterr);
_recno = _isamfile->RecNo;
if( has_memo( ) )
rec.init_memo_info(_recno);
return _lasterr;
}
int TBaseisamfile::skip(TRecnotype nrec, word lockop)
{
char key[128];
NOT_OPEN();
if (!nrec) return NOERR;
curr().setdirty();
if (_recno != DB_recno(_isamfile->fhnd))
{
_lasterr = DB_go(_isamfile->fhnd, _recno);
if (_lasterr != NOERR)
{
_lasterr = get_error(_lasterr);
if (_lasterr != _islocked)
fatal_box("Errore nella skip %d : non posso riposizionarmi", _lasterr);
}
}
_lasterr=DB_skip(_isamfile->fhnd,nrec);
if (_lasterr != NOERR) _lasterr = get_error(_lasterr);
do {
if (_lasterr == _islocked)
{
CBuildKey(_isamfile->r, DB_tagget(_isamfile->fhnd), curr().string(), key,TRUE);
message_box("Codice %s in uso da parte\ndi un altro utente.", key);
}
_lasterr=cisread(_isamfile,curr(),_iscurr + lockop);
} while (_lasterr ==_islocked);
_recno = _isamfile->RecNo = DB_recno(_isamfile->fhnd);
if( has_memo( ) )
curr( ).init_memo_info(_recno);
return _lasterr;
}
int TBaseisamfile::read(word op, word lockop, TDate& atdate)
{
CHECKD(op >= _iscurr && op <= _isgteq, "Invalid read operation : ", op);
NOT_OPEN();
curr().setdirty();
_lasterr=cisread(_isamfile, curr(), op + lockop);
if (_lasterr != NOERR) _lasterr=get_error(_lasterr);
_recno = _isamfile->RecNo;
if( has_memo( ) )
curr( ).init_memo_info(_recno);
return _lasterr;
}
int TBaseisamfile::read(TRectype& rec, word op, word lockop, TDate& atdate)
{
CHECKD(op >= _iscurr && op <= _isgteq, "Invalid read operation : ", op);
NOT_OPEN();
rec.setdirty();
_lasterr=cisread(_isamfile, rec, op + lockop);
if (_lasterr != NOERR) _lasterr = get_error(_lasterr);
_recno = _isamfile->RecNo;
if( has_memo( ) )
rec.init_memo_info(_recno);
return _lasterr;
}
int TBaseisamfile::readat(TRecnotype nrec, word lockop)
{
NOT_OPEN();
curr().setdirty();
_lasterr=DB_go(_isamfile->fhnd,nrec);
if (_lasterr != NOERR)
_lasterr = get_error(_lasterr);
else
memcpy(curr().string(),DB_getrecord(_isamfile->fhnd),DB_reclen(_isamfile->fhnd));
_recno = _isamfile->RecNo = DB_recno(_isamfile->fhnd);
if( has_memo( ) )
curr( ).init_memo_info(_recno);
return _lasterr;
}
int TBaseisamfile::readat(TRectype& rec, TRecnotype nrec, word lockop)
{
NOT_OPEN();
rec.setdirty();
_lasterr=DB_go(_isamfile->fhnd,nrec);
if (_lasterr != NOERR) _lasterr = get_error(_lasterr);
else
memcpy(rec.string(),DB_getrecord(_isamfile->fhnd),DB_reclen(_isamfile->fhnd));
_recno = _isamfile->RecNo = DB_recno(_isamfile->fhnd);
if( has_memo( ) )
rec.init_memo_info( _recno );
return _lasterr;
}
int TBaseisamfile::write(TDate& atdate)
{
CHECK(!curr().empty(), "Can't write an empty record");
NOT_OPEN();
int oldkey=getkey();
browse_null(curr().string(),DB_reclen(_isamfile->fhnd));
setkey(1);
memcpy(DB_getrecord(_isamfile->fhnd),curr().string(),DB_reclen(_isamfile->fhnd));
_lasterr = DB_add(_isamfile->fhnd);
if (_lasterr != NOERR) _lasterr = get_error(_lasterr);
setkey(oldkey);
_recno = _isamfile->RecNo = DB_recno(_isamfile->fhnd);
if( _lasterr == NOERR && has_memo( ) )
{
curr( ).memo_info( ).recno( _recno );
curr( ).write_memo_info( _isamfile);
}
return _lasterr;
}
int TBaseisamfile::write(const TRectype& rec, TDate& atdate)
{
CHECK(!rec.empty(), "Can't write an empty record");
NOT_OPEN();
int oldkey=getkey();
browse_null(rec.string(),DB_reclen(_isamfile->fhnd));
setkey(1);
memcpy(DB_getrecord(_isamfile->fhnd),rec.string(),DB_reclen(_isamfile->fhnd));
_lasterr = DB_add(_isamfile->fhnd);
if (_lasterr != NOERR) _lasterr = get_error(_lasterr);
setkey(oldkey);
_recno = _isamfile->RecNo = DB_recno(_isamfile->fhnd);
if (_lasterr == NOERR )
{
if( has_memo( ) )
{
rec.memo_info( ).recno( _recno );
rec.write_memo_info( _isamfile );
}
}
return _lasterr;
}
int TBaseisamfile::rewrite(TDate& atdate)
{
CHECK(!curr().empty(), "Can't rewrite an empty record");
NOT_OPEN();
TRectype save_rec(curr());
_lasterr = cisread(_isamfile, save_rec, _isequal + _nolock); // Si Posiziona per sicurezza...
if (_lasterr == NOERR)
{
browse_null(curr().string(),DB_reclen(_isamfile->fhnd));
memcpy(DB_getrecord(_isamfile->fhnd), curr().string(),DB_reclen(_isamfile->fhnd));
_lasterr = DB_rewrite(_isamfile->fhnd);
if (_lasterr != NOERR) _lasterr = get_error(_lasterr);
_recno = _isamfile->RecNo = DB_recno(_isamfile->fhnd);
if( _lasterr == NOERR && has_memo( ) )
{
curr( ).memo_info( ).recno( _recno );
curr( ).write_memo_info( _isamfile );
}
}
return _lasterr;
}
int TBaseisamfile::rewrite(const TRectype& rec, TDate& atdate)
{
CHECK(!rec.empty(), "Can't write an empty record");
NOT_OPEN();
TRectype save_rec(rec);
_lasterr = cisread(_isamfile, save_rec, _isequal + _nolock); // Si Posiziona per sicurezza...
if (_lasterr == NOERR)
{
browse_null(rec.string(),DB_reclen(_isamfile->fhnd));
memcpy(DB_getrecord(_isamfile->fhnd), rec.string(),DB_reclen(_isamfile->fhnd));
_lasterr = DB_rewrite(_isamfile->fhnd);
if (_lasterr != NOERR) _lasterr = get_error(_lasterr);
_recno = _isamfile->RecNo = DB_recno(_isamfile->fhnd);
if( _lasterr == NOERR && has_memo( ) )
{
rec.memo_info( ).recno( _recno );
rec.write_memo_info( _isamfile );
}
}
return _lasterr;
}
int TBaseisamfile::rewriteat(TRecnotype nrec)
{
NOT_OPEN();
if ((_lasterr=DB_go(_isamfile->fhnd,nrec))== NOERR)
{
browse_null(curr().string(),DB_reclen(_isamfile->fhnd));
memcpy(DB_getrecord(_isamfile->fhnd),curr().string(),DB_reclen(_isamfile->fhnd));
_lasterr=DB_rewrite(_isamfile->fhnd);
if (_lasterr != NOERR) _lasterr = get_error(_lasterr);
} else
_lasterr = get_error(_lasterr);
_recno = _isamfile->RecNo = DB_recno(_isamfile->fhnd);
if( _lasterr == NOERR && has_memo( ) )
{
curr( ).memo_info( ).recno( _recno );
curr( ).write_memo_info( _isamfile );
}
return _lasterr;
}
int TBaseisamfile::rewriteat(const TRectype& rec, TRecnotype nrec)
{
NOT_OPEN();
if ((_lasterr=DB_go(_isamfile->fhnd,nrec))== NOERR)
{
browse_null(rec.string(),DB_reclen(_isamfile->fhnd));
memcpy(DB_getrecord(_isamfile->fhnd),rec.string(),DB_reclen(_isamfile->fhnd));
_lasterr=DB_rewrite(_isamfile->fhnd);
if (_lasterr != NOERR) _lasterr = get_error(_lasterr);
} else
_lasterr = get_error(_lasterr);
_recno = _isamfile->RecNo = DB_recno(_isamfile->fhnd);
if( _lasterr == NOERR && has_memo( ) )
{
rec.memo_info( ).recno( _recno );
rec.write_memo_info( _isamfile );
}
return _lasterr;
}
int TBaseisamfile::remove(TDate& atdate)
{
CHECK(!curr().empty(), "Can't remove empty record");
NOT_OPEN();
/*// rimozione campi memo
#ifndef FOXPRO
TMemo_file* memo = NULL;
for (int i = 0; i < curr().items(); i++)
{
if ( curr().type(curr().fieldname(i)) == _memofld )
{
long val = curr().get_long(curr().fieldname(i));
if (val > 0l)
{
if (memo == NULL)
memo = new TMemo_file(filename());
memo->remove_field(val);
}
}
}
if (memo != NULL) delete memo;
#endif
*/
if ((_lasterr=cisread(_isamfile, curr(), _isequal + _nolock)) == NOERR)
{
_lasterr = DB_delete(_isamfile->fhnd); // Put only deletion flag on record, must remove keys too!
if (_lasterr != NOERR)
_lasterr = get_error(_lasterr);
else
{
_lasterr=delkeys(_isamfile,curr().string(), _isamfile->RecNo);
if (_lasterr != NOERR)
{
DB_recall(_isamfile->fhnd);
_lasterr = get_error(_lasterr);
}
}
}
if(_lasterr == NOERR && has_memo())
curr().memo_info().recno(RECORD_NON_FISICO);
_recno = _isamfile->RecNo = DB_recno(_isamfile->fhnd);
return _lasterr;
}
int TBaseisamfile::remove(const TRectype& rec, TDate& atdate)
{
CHECK(!rec.empty(), "Can't remove an empty record");
NOT_OPEN();
memcpy(DB_getrecord(_isamfile->fhnd),rec.string(),DB_reclen(_isamfile->fhnd));
if ((_lasterr=cisread(_isamfile, (TRectype&) rec, _isequal + _nolock))==NOERR)
{
_lasterr = DB_delete(_isamfile->fhnd); // Put only deletion flag on record, must remove keys too!
if (_lasterr != NOERR)
_lasterr = get_error(_lasterr);
else
{
_lasterr=delkeys(_isamfile,rec.string(),_isamfile->RecNo);
if (_lasterr != NOERR)
{
DB_recall(_isamfile->fhnd);
_lasterr = get_error(_lasterr);
}
}
}
if(_lasterr == NOERR && has_memo())
curr().memo_info().recno(RECORD_NON_FISICO);
_recno = _isamfile->RecNo = DB_recno(_isamfile->fhnd);
return _lasterr;
}
int TBaseisamfile::lock()
{
NOT_OPEN();
_lasterr = DB_lockfile(_isamfile->fhnd);
if (_lasterr != NOERR) _lasterr = get_error(_lasterr);
return _lasterr;
}
int TBaseisamfile::unlock()
{
NOT_OPEN();
_lasterr = DB_unlock(_isamfile->fhnd);
if (_lasterr != NOERR) _lasterr = get_error(_lasterr);
return (_lasterr);
}
void TBaseisamfile::indexon()
{
}
bool TBaseisamfile::empty()
{
return (DB_reccount(_isamfile->fhnd) == 0);
}
void TBaseisamfile::indexoff()
{
}
// @doc EXTERNAL
// @mfunc Apre il file isam di base con lock
//
// @rdesc Ritorna NOERR se e' riuscita ad aprire il file, altrimenti ritorna il numero di errore
// generato (vedi <t TIsamerr>).
int TBaseisamfile::_open(
unsigned int mode) // @parm Indica il modo di apertura del file (default _manulock)
// @comm Il parametro <p mode> puo' assumere i valori:
//
// @flag _manulock | Il lock dei record viene fatto manualmente
// @flag _exclock | Il file viene aperte in modo esclusivo
// @flag _autolock | Il lock dei record viene fatto in modo automatico
{
CHECKS(filehnd() == NULL, "File already open ", (const char*)filename());
getisfd(_isamfile,num());
if ((filehnd()->fhnd = DB_open(filehnd()->d->SysName,mode==_excllock)) >= 0)
{
TRecnotype n=DB_reccount(filehnd()->fhnd);
TDir d;
d.get(num(),_nolock,_nordir,_sysdirop);
if (d.is_com()) d.get(num(),_nolock,_comdir,_sysdirop);
if ((filehnd()->d->EOD != n && n > 0) || (n > d.eox()))
{
filehnd()->d->EOD = d.eod() = n;
filehnd()->d->EOX = d.eox() = n;
if (d.is_com())
d.put(num(),_comdir,_sysdirop);
else
d.put(num(),_nordir,_sysdirop);
}
filehnd()->ln = num();
openf[num() - 1] = filehnd();
_recno = RECORD_NON_FISICO;
CHECKD(filehnd()->r->NKeys > 0, "File senza indici: ", num());
setkey(1);
_lasterr = NOERR;
}
else
{
TString e_msg;
_lasterr = get_error(filehnd()->fhnd);
if (_lasterr == -60)
{
int rc = access(filename(),0); // check for existance
if (rc!=0)
e_msg.format("Il file %d(%s) non esiste, errore %d",num(),filename(),_lasterr);
else
e_msg.format("Il file %d(%s) e' aperto in modo esclusivo da un'altra applicazione",
num(), filename());
}
if (e_msg.empty())
e_msg.format("Il file %d(%s) non puo' essere aperto, errore %d",num(),filename(),_lasterr);
relisfd(_isamfile);
fatal_box((const char*) e_msg);
}
return (_lasterr);
}
int TBaseisamfile::_close()
{
int err = NOERR;
if (filehnd() != NULL)
{
if (num() > 0)
{
TDir d;
TRecnotype n=DB_reccount(filehnd()->fhnd);
d.get(num(),_nolock,_nordir,_sysdirop);
if (d.is_com()) d.get(num(),_nolock,_comdir,_sysdirop);
if ((filehnd()->d->EOD != n && n > 0) || (n > d.eox()))
{
filehnd()->d->EOD = d.eod() = n;
filehnd()->d->EOX = d.eox() = n;
if (d.is_com())
d.put(num(),_comdir,_sysdirop);
else
d.put(num(),_nordir,_sysdirop);
}
CHECK(openf[num() - 1] != NULL, "Open file array corrupted");
err=DB_close(filehnd()->fhnd);
if (err != NOERR) err = get_error(err);
if ((err == NOERR) && (num() > 0))
openf[num() - 1] = NULL ;
}
else
if (filehnd() == NULL)
{
err = _isnotopen;
error_box("File n. %d close : Error n. %d ", num(), err);
}
if (err == NOERR)
{
relisfd(_isamfile);
clearfilehnd();
}
}
setstatus(err);
return err;
}
int TBaseisamfile::is_valid()
{ // Ritorna 0 se il file puo' essere aperto senza errori
CHECKS(filehnd() == NULL, "File already open ", (const char*)filename());
int err = NOERR;
getisfd(_isamfile,num());
if ((filehnd()->fhnd = DB_open(filehnd()->d->SysName,0)) >= 0)
{
if (DB_tagget(filehnd()->fhnd) == -1) err = _ispatherr;
DB_close(filehnd()->fhnd);
}
else
err = get_error(filehnd()->fhnd);
relisfd(_isamfile);
return err;
}
///////////////////////////////////////////////////////////
// TLocalisamfile
///////////////////////////////////////////////////////////
// @doc EXTERNAL
// @mfunc Costruttore
//
// @rdesc Ritorna l'oggetto <c TLocalisamfile>
TLocalisamfile::TLocalisamfile(
int logicnum, // @parm Numero del logico del file
bool linkrecinst) // @parm Puo assumere i valori:
//
// @flag 0 | Istanzio un nuovo file fisico (default)
// @flag 1 | Utilizza, se possibile, un file gia' esistente
// @flag 2 | Crea un file temporaneo
: TBaseisamfile(logicnum, linkrecinst == TRUE)
// @comm ATTENZIONE: <p linkrecinst> puo' valere 0, 1, 2.
// Se vale 2 significa che si sta costruendo un file temporaneo
// per cui linkrecinst va' considerato FALSE
{
if (linkrecinst <= TRUE)
{
open();
if (_was_open)
_oldkey = getkey();
setkey(1);
}
else _was_open = FALSE;
}
TLocalisamfile::~TLocalisamfile()
{
if (_was_open)
setkey(_oldkey);
close();
}
int TLocalisamfile::close()
{
int err = NOERR;
if (!_was_open)
{
clearfilehnd();
}
else
{
if (_isamfile)
{
TRecnotype n = DB_reccount(filehnd()->fhnd);
TDir d;
d.get(num(),_nolock,_nordir,_sysdirop);
if (d.is_com()) d.get(num(),_nolock,_comdir,_sysdirop);
if ((filehnd()->d->EOD!=n && n > 0) || (n > d.eox()))
{
filehnd()->d->EOD = d.eod() = n;
filehnd()->d->EOX = d.eox() = n;
if (d.is_com())
d.put(num(),_comdir,_sysdirop);
else
d.put(num(),_nordir,_sysdirop);
}
err = DB_close(_isamfile->fhnd);
_isamfile->fhnd = -1;
if (err != NOERR) err = get_error(err);
relisfd(_isamfile);
_isamfile=NULL;
}
openf[num() -1] = NULL;
}
setstatus(err);
return err;
}
int TLocalisamfile::open(unsigned int mode)
{
int err = NOERR;
const int logicnum = num();
if (openf[logicnum - 1] != NULL)
{
_was_open = FALSE;
_isamfile = openf[logicnum - 1];
}
else
{
err = _open();
_was_open = TRUE;
}
setstatus(err);
return err;
}
int TLocalisamfile::operator +=(const TRecnotype npos)
{
skip(npos);
return status();
}
int TLocalisamfile::operator -=(const TRecnotype npos)
{
skip(-npos);
return status();
}
int TLocalisamfile::operator ++()
{
next();
return status();
}
int TLocalisamfile::operator --()
{
prev();
return status();
}
TIsamfile::TIsamfile(int logicnum, bool linkrecinst) : TBaseisamfile(logicnum, linkrecinst) {}
TIsamfile::~TIsamfile()
{
close();
}
// @doc EXTERNAL
// @mfunc Aggiorna i flags associati al file
//
// @rdesc Ritorna NOERR se e' riuscita ad eseguiore l'operazione, altrimenti ritorna il numero
// di errore generato (vedi <t TIsamerr>).
int TIsamfile::flags(
bool updateeod) // @parm Indica se aggiornare anche l'EOD del file
{
TDir d;
int err = NOERR;
if (filehnd()->ln <= 0) return NOERR ;
NOT_OPEN();
const TDirtype dirtype = (TDirtype) filehnd()->ft;
d.get(num(), _lock, dirtype);
if ((err = d.status(dirtype)) == NOERR)
{
d.flags() = filehnd()->d->Flags;
if (updateeod) d.eod() = filehnd()->d->EOD;
d.put(num(), dirtype);
}
setstatus(err);
return err;
}
///////////////////////////////////////////////////////////
// TIsamtempfile
///////////////////////////////////////////////////////////
TIsamtempfile::TIsamtempfile(int logicnum, const char* radix, bool create)
: TLocalisamfile(logicnum, 2)
{
TRecnotype eod = 0;
TRecnotype eox = 100;
TFilename n;
if (radix && *radix)
{
if (*radix == '%')
n = radix;
else
{
n.tempdir();
n << '/' << radix;
}
}
n.ext("dbf");
if (!create)
{
TDir dir; dir.get(logicnum);
const word& len = dir.len();
// Tolgo il % senno' che fa la fopen ?
if (n[0] == '%')
n = n.sub(1);
FILE* f = fopen(n, "r");
#if XVT_OS == XVT_OS_WIN
CHECKS(f, "Can't open temporary file ", (const char*)strerror(NULL));
#else
CHECKS(f, "Can't open temporary file ", (const char*)n);
#endif
fseek(f, 0, SEEK_END);
eod = eox = ftell(f) / len;
fclose(f);
}
_autodel = create > TRUE;
n.ext("");
// Ci rimetto il % se prima l'avevo tolto, senno' che fa la open ?
// if (*radix == '%')
if (n[0] != '%')
n.insert("%", 0);
open(n, create, eod, eox);
}
TIsamtempfile::~TIsamtempfile()
{
close();
}
// @doc EXTERNAL
// @mfunc Apre il file
//
// @rdesc Ritorna NOERR se e' riuscita ad aprire il file, altrimenti ritorna il numero di errore
// generato (vedi <t TIsamerr>).
int TIsamtempfile::open(
const char* radix, // @parm Radice del path del file
bool create, // @parm Indica se va creatoun nuovo file (se FALSE il file esiste gia')
TRecnotype eod, // @parm Numero di record presenti nel file
TRecnotype eox) // @parm Numero di record da aggiungere al file
// @comm Nel case <p create> sia TRUE allora viene settato automaticamente il valore di <p _autodel>
// a TRUE, cioe' viene abilitata l'eliminazione del file in chiusura.
{
int err = NOERR;
TFilename tmpname;
CHECKS(filehnd() == NULL, "File already open", (const char*)filename());
if (radix[0] == '%')
tmpname << &radix[1] ;
else
tmpname.temp(radix);
getisfd (_isamfile, num());
strcpy(filehnd()->d->SysName, (const char*)tmpname);
filehnd()->d->EOX = eox;
if (create)
{
err=DB_build(filehnd()->d->SysName, filehnd()->r) ;
if (err == NOERR)
filehnd()->d->EOD = 0L;
else
{
err = get_error(err);
relisfd(_isamfile);
fatal_box("Create temporary file: Error n. %d", err);
}
}
else
filehnd()->d->EOD = eod;
filehnd()->fhnd = DB_open(filehnd()->d->SysName, 0);
if (filehnd()->fhnd < 0)
err = get_error(filehnd()->fhnd);
if (err != NOERR)
{
relisfd(_isamfile);
fatal_box("Open temporary file: Error n. %d ",err);
}
else
{
filehnd()->ln = -num();
filehnd()->knum = 1;
}
_recno = RECORD_NON_FISICO;
setstatus(err);
return err;
}
int TIsamtempfile::close()
{
int err = NOERR;
if (filehnd() != NULL)
{
err=DB_close(filehnd()->fhnd);
if (err != NOERR) err = get_error(err);
if (_autodel && err==NOERR)
{
TFilename f(filehnd()->d->SysName);
long c = DB_getconf();
f.ext("dbf");
::remove((const char*)f);
if (c & 1) // FOXPRO format
f.ext("cdx");
if (c & 4) // DBIV format
f.ext("mdx");
if (c & 8 || c & 2) // CLIPPER and DBIII format
{
f.ext("cgp");
FILE *fp=fopen((const char*)f,"r");
char in[16];
while (fgets(in,16,fp)!=NULL)
{
TFilename a(in);
if (c & 8) // DBIII format
a.ext("ndx");
else
a.ext("ntx"); // CLIPPER format
::remove((const char *)a);
}
fclose(fp);
}
::remove((const char *)f);
}
relisfd(_isamfile);
clearfilehnd();
}
setstatus(err);
return err;
}
///////////////////////////////////////////////////////////
// TSystemsamfile
///////////////////////////////////////////////////////////
int TSystemisamfile::build(TRecnotype eox)
{
CHECKS(filehnd() == NULL, "Can't build open file", (const char*)filename());
int err=NOERR;
TDir d;
TTrec r;
d.get(num());
r.get(num());
CHECK(r.len() != 0, "Can't create a file with empty field info");
TFilename f(d.name());
f = f.path(); if (!is_not_slash(f.right(1)[0])) f.rtrim(1);
if (!fexist(f))
make_dir(f);
if (r.len() != 0)
{
err=DB_build(d.name(),r.rec());
if (err == NOERR)
{
isfdptr i;
getisfd(i,num());
i->d->EOX = eox;
i->fhnd = 0; // So relisfd() will record the EOX just set
relisfd(i);
}
else
err = get_error(err);
setstatus(err);
clearfilehnd();
#ifndef FOXPRO
if (err == NOERR && __autoload)
{
TFilename lf;
lf.format("%sstd/lf%04d.txt", __ptprf, num());
if (fexist(lf))
load(lf, '|', '\0', '\n', TRUE, TRUE);
}
#endif
}
return err;
}
int TSystemisamfile::extend(TRecnotype eox)
{
int err = NOERR;
isfdptr i;
CHECKS(filehnd() == NULL, "Can't extend open file ", (const char*)filename());
getisfd(i,num());
if (num() > 0)
{
if (eox < i->d->EOD)
err = _ispathfull;
else
{
i->d->EOX = eox;
i->fhnd = 0; // So relisfd() will write the EOX just set.
}
}
relisfd(i);
setstatus(err);
clearfilehnd();
return err;
}
long TSystemisamfile::size(TRecnotype eox)
{
return 51200L;
}
#ifndef FOXPRO
// @doc INTERNAL
// @mfunc Esegue la conversione del file
//
// @rdesc Ritorna il rusultato dell'operazione
int TSystemisamfile::exec_convapp(
long flev, // @parm Livello a cui aggiornare l'archivio
const bool before) // @parm Indica se viene chiamata prima o dopo la conversione
{
const char * const v = before ? "BCNV" : "ACNV";
int err = 0;
if (flev == 0) flev = 199401;
else flev++;
for (long l = flev; err == 0 && l <= get_std_level(); l++)
{
TString16 paragraph(format("%06ld", l));
TConfig conv(CONFIG_FCONV, paragraph);
if (!conv.new_paragraph() && conv.exist(v, num()))
{
TString80 s(conv.get(v, NULL, num())); s << " " << main_app().get_firm();
TExternal_app app(s);
if (app.can_run())
{
app.run();
err = app.error();
TMailbox mail;
TMessage* msg = mail.next(TRUE);
if (err == 0 && msg != NULL)
err = atoi(msg->body());
}
else err = 16;
if (err && err != 8)
return error_box("Impossibile eseguire il programma di %sconversione\ndel livello %ld/%ld\nErrore n.ro %d", before ? "pre" : "post", l / 100, l % 100, err);
}
}
return err;
}
// @doc INTERNAL
// @mfunc Recupera le conversioni logiche da effettuare sul file
//
// @rdesc Ritorna TRUE se occorre effettuare la conversione sul file
bool TSystemisamfile::getlcf(
long flev) // @parm livello archivi di partenza della convesione
// @comm Recupera le conversioni logiche da effettuare sul file per per passare dal
// livello archivi <p flev> a quello attuale degli archivi standard.
{
_flds.destroy();
_exps.destroy();
if (flev == 0) flev = 199401;
else flev++;
for (long l = flev; l <= get_std_level(); l++)
{
TString16 paragraph(format("%06ld", l));
TConfig conv(CONFIG_FCONV, paragraph);
if (!conv.new_paragraph() && conv.exist("F", num()))
{
TToken_string exprline(conv.get("F", NULL, num()));
if (exprline.empty()) return FALSE;
TToken_string w("", '=');
const char * wexprs = exprline.get();
while (wexprs != NULL)
{
w = wexprs;
TFixed_string fld(w.get());
_flds.add(new TFieldref(fld, 0));
_exps.add(new TExpression(w.get(), _strexpr));
wexprs = exprline.get();
}
}
}
return _flds.items() > 0;
}
void TSystemisamfile::makelc(TRectype& rec)
{
for (int i = 0 ; i < _flds.items(); i++)
{
TFieldref& f = (TFieldref&) _flds[i];
TExpression& e = (TExpression & )_exps[i];
for (int k = 0; k < e.numvar(); k++)
e.setvar(k, get(e.varname(k)));
f.write(e, rec);
}
}
// @doc EXTERNAL
// @mfunc Esegue la conversione del tracciato record del file
//
// @rdesc Ritorna il risulato della conversione, altrimenti il codice di errore generato
// (vedi <t TIsamerr>)
int TSystemisamfile::update(
TTrec& newrec, // @parm Nuovo tracciato record con cui aggiornare il file
bool vis) // @parm Indica se visualizzare lo stato dell'operazione
{
CHECKS(filehnd() == NULL, "Can't update open file", (const char*)filename());
CHECK(newrec.len() != 0, "Can't update to file with empty field info");
TDir dir;
dir.get(num(), _unlock, _nordir, _sysdirop);
const bool is_com = prefix().is_com();
const bool toconvert = is_com ? dir.is_com() : dir.is_firm();
int err = NOERR;
TTrec oldrec;
oldrec.get(num());
if (newrec.len() != 0)
{
const long lev = prefix().filelevel();
const bool lcf = getlcf(lev);
err = exec_convapp(lev, TRUE);
if (err != NOERR)
{
setstatus(err);
return err;
}
if (!lcf && newrec == oldrec)
{
err = exec_convapp(lev, FALSE);
setstatus(err);
return err;
}
const TRecnotype nitems = dir.eod();
const unsigned int lenr = newrec.len();
if (!toconvert && dir.eox() > 0L)
{
dir.eod() = 0L;
dir.eox() = 0L;
}
if (toconvert && dir.eox() > 0L)
{
TRecnotype ni = 0L;
isfdptr i0;
TFilename tmpfname("tmpf");
open(_excllock);
getisfd(i0, num());
err=DB_build((const char*) tmpfname, newrec.rec());
if (err != NOERR)
{
err=get_error(err);
return (err);
}
i0->fhnd=DB_open((const char*)tmpfname,0);
if (i0->fhnd < 0 ) err=get_error(i0->fhnd);
TFilename fname(filename());
TString s(80);
s.format("Aggiornamento archivio %s", (const char*) fname);
TProgind p(nitems ? nitems : 1, s, TRUE, TRUE, 70);
int nflds = curr().items();
TArray fld(nflds);
TExtrectype nrec(newrec);
TRecnotype i = 0;
for (int j = 0; j < nflds; j++)
fld.add(TString(curr().fieldname(j)), j);
for (first(); good(); next())
{
if ((i++ % 50) == 0) p.setstatus(i + 1);
nrec.zero();
ni++;
for (j = 0; j < nflds; j++)
if (nrec.exist((const TString&) fld[j]))
nrec.put((const TString&) fld[j], get((const TString&) fld[j]));
if (lcf)
makelc((TRectype &)nrec);
browse_null(nrec.string(),DB_reclen(i0->fhnd));
memcpy(DB_getrecord(i0->fhnd),nrec.string(),DB_reclen(i0->fhnd));
err=DB_add(i0->fhnd);
if ( nrec.has_memo())
{
nrec.memo_info( ).recno( DB_recno(i0->fhnd) );
nrec.write_memo_info( i0);
}
if (err != NOERR) err=get_error(err);
setstatus(err);
}
err=DB_close(i0->fhnd);
close();
if (err!=NOERR) err=get_error(err);
relisfd(i0);
p.setstatus(nitems);
if (err == NOERR)
{
long c = DB_getconf();
fname.ext("dbf");
tmpfname.ext("dbf");
fcopy((const char*)tmpfname,(const char*)fname);
::remove((const char*)tmpfname);
if (c & 1)
tmpfname.ext("fpt");
else
tmpfname.ext("dbt");
if (fexist((const char *) tmpfname))
{
if (c & 1)
fname.ext("fpt");
else
fname.ext("dbt");
fcopy((const char*)tmpfname,(const char*)fname);
::remove((const char*)tmpfname);
}
if (c & 1) // FOXPRO format
tmpfname.ext("cdx");
if (c & 4) // DBIV format
tmpfname.ext("mdx");
if (c & 8 || c & 2)
{
tmpfname.ext("cgp");
char in[16];
FILE *fp=fopen((const char *) tmpfname,"r");
while (fgets(in,16,fp)!=NULL)
{
TFilename a(in);
a.rtrim(1); // Cut \n
if (c & 8) // DBIII format
a.ext("ndx");
else
a.ext("ntx"); // CLIPPER format
::remove((const char *)a);
}
fclose(fp);
}
::remove((const char*)tmpfname);
dir.eod() = ni;
}
}
dir.set_len(lenr);
dir.put(num(), _nordir, _sysdirop);
newrec.put(num());
if (toconvert && dir.eox() > 0L) packindex();
if (err == NOERR)
err = exec_convapp(lev, FALSE);
}
setstatus(err);
return err;
}
// @doc EXTERNAL
// @mfunc Rimuove fisicamente i record cancellati
//
// @rdesc Ritorna NOERR se l'operazione di compattamento e' riuscita, altrimenti il codice di
// di errore generato (vedi <t TIsamerr>).
int TSystemisamfile::packfile(
bool vis) // @parm Indica se visualizzare lo stato dell'operazione
// @xref <mf TSystemisamfile::packindex>
{
int err=NOERR;
TDir d;
d.get(num(),_nolock, _nordir,_sysdirop);
d.get(num(),_nolock, (d.is_com()) ? _comdir : _nordir);
CHECKS(filehnd() == NULL, "Can't pack open file", (const char*)filename());
err=DB_packfile(vis,d.name(),d.eod());
if (err == NOERR && has_memo())
err = DB_packmemo(vis,d.name());
if (err != NOERR) err = get_error(err);
if (err != NOERR) error_box("Errore in compattamento dati.\nFile %d : %d", num(),err);
setstatus(err);
return err;
}
// @doc EXTERNAL
// @mfunc Rimuove fisicamente gli indici cancellati
//
// @rdesc Ritorna NOERR se l'operazione di compattamento e' riuscita, altrimenti il codice di
// di errore generato (vedi <t TIsamerr>).
int TSystemisamfile::packindex(
bool vis, // @parm Indica se visualizzare lo stato dell'operazione
bool ask) // @parm Indica se chiedere il recupero dei record duplicati
// @xref <mf TSystemisamfile::packfile>
{
int err=NOERR;
TRecnotype peod;
TTrec r;
TDir d;
CHECKS(filehnd() == NULL, "Can't pack index of open file", (const char*)filename());
r.get(num());
d.get(num(),_nolock, _nordir,_sysdirop);
bool is_com = d.is_com();
d.get(num(),_nolock, is_com ? _comdir : _nordir);
err=DB_packindex(vis,d.name(),r.rec(),&peod,ask);
if (err != NOERR) err = get_error(err);
if (err != NOERR) error_box("Errore in compattamento indici.\nFile %d : %d", num(),err);
else
if (peod >= 0 && peod != d.eod())
{
d.eod() = peod;
d.put(num(), is_com ? _comdir : _nordir);
}
setstatus(err);
return err;
}
int TSystemisamfile::pack(bool vis, bool ask)
{
int err=NOERR;
if ((err=packfile(vis))==NOERR)
err=packindex(vis,ask);
setstatus(err);
return err;
}
// @doc EXTERNAL
// @mfunc Importa un file ascii
//
// @rdesc Ritorna NOERR se l'operazione di lettura e' riuscita, altrimenti il codice di
// di errore generato (vedi <t TIsamerr>).
int TSystemisamfile::load(
const char* from, // @parm Nome del file da importare
char fs, // @parm Carattere separatore di campo (default <pipe>)
char fd, // @parm Carattere delimitatore di campi (default '\\0')
char rs, // @parm Carattere separatore di record (default '\\n')
bool vis, // @parm Indica se visualizzare lo stato dell'operazione (default TRUE)
bool extended) // @parm Indica se interpretare alcune stringhe come macro (default FALSE)
// @comm Se <p extended> e' TRUE e trova alcune stringhe col formato %stringa% (es. %frm%)
// ne sostituisce i valori (es. ditta corrente).
// @xref <mf TSystemisamfile::dump>
{
FILE* fl = fopen(from, "r");
int err=NOERR;
if (fl == NULL)
{
error_box("Non riesco ad aprire il file %s",from);
return 2;
}
TRecnotype r = 0, e = 0, nitems = 0, nread = 0;
TString16 firm, year, attprev("00000");
if (extended)
{
TDate d(TODAY);
TLocalisamfile ditte(LF_NDITTE);
firm.format("%05ld", main_app().get_firm());
year.format("%04d", d.year());
ditte.zero();
ditte.put("CODDITTA", firm);
if (ditte.read() == NOERR)
attprev = ditte.get("CODATTPREV");
}
if (fl == NULL)
{
clearerr(fl);
setstatus(err);
return err;
}
char w[80];
while ((fgets(w, 80, fl) != NULL))
{
if (strncmp(w, "[Data]", 6) == 0)
{
nitems = ftell(fl);
break;
}
}
fseek(fl, 0L, SEEK_END);
nitems = ftell(fl) - nitems;
fclose(fl);
TScanner f(from);
open();
TToken_string s(1024, fs);
bool fixedlen = (fs == '\0');
int nflds = curr().items();
TArray fld(nflds);
int len[MaxFields];
TString sfd(3);
TString s1(64);
bool lcf = FALSE;
if (f.paragraph("Header"))
{
f.equal();
const long level = atol(f.line());
if (level > get_std_level())
error_box("L'archivio %s e' stato generato con gli archivi di livello %ld%/%ld.\n Il livello attuale e' %ld/%ld.\n Convertire gli archivi e ripetere l' operazione.",
from, level/100, level%100, get_std_level()/100, get_std_level()%100);
lcf = getlcf(level);
nflds = 0;
TToken_string s2(f.line());
int p = s2.find('=');
if (p > 0)
{
s1 = s2.left(p);
s2.ltrim(p+1);
}
else s1.cut(0);
while (s1 == "Fields")
{
for (const char * fd = s2.get(); fd != NULL; fd = s2.get())
{
TToken_string wfd(fd, ',');
fld.add(new TString(wfd.get()));
len[nflds] = wfd.get_int();
nflds++;
}
s2 = f.line();
p = s2.find('=');
if (p > 0)
{
s1 = s2.left(p);
s2.ltrim(p+1);
}
else s1.cut(0);
}
}
else
{
for (int j = 0; j < nflds; j++)
{
fld.add(TString(curr().fieldname(j)), j);
const TString & wfld = (const TString & ) fld[j];
len[j] = (curr().type(wfld) == _datefld) ? 10 : curr().length(wfld);
}
}
if (!f.paragraph("Data"))
{
error_box("Formato dei dati non valido");
close();
err = 1;
setstatus(err);
return err;
}
if (fd) sfd << fd;
int last = NOERR;
s1.format("Imp. archivio %s\n%6ld records %6ld errori - %3d", filename(), r, e, last);
TProgind p(nitems, s1, TRUE, TRUE, 70);
s = f.line();
while (s.not_empty() && !p.iscancelled())
{
if (extended)
{
int p, i;
while ((p = s.find("%yr%")) >= 0)
for (i = 0; i < 4; i++) s[p + i] = year[i];
while ((p = s.find("%frm%")) >= 0)
for (i = 0; i < 5; i++) s[p + i] = firm[i];
while ((p = s.find("%att%")) >= 0)
for (i = 0; i < 5; i++) s[p + i] = attprev[i];
}
if ((r + e) % 50 == 0)
{
s1.format("Imp. archivio %s\n%6ld records %6ld errori - %3d", filename(), r, e, last);
p.set_text(s1);
}
p.setstatus(nread + 1);
nread += s.len() + 1;
zero();
if (fixedlen)
{
int pos = 0;
for (int j = 0; j < nflds; j++)
{
s1 = s.mid(pos,len[j]);
s1.rtrim();
put((const TString&) fld[j], s1);
pos += len[j];
}
}
else
{
s.restart();
for (int j = 0; j < nflds; j++)
{
char* s2 = (char*) s.get();
if (fd)
{
s2++;
s2[strlen(s2) - 1] = '\0';
}
put((const TString&) fld[j], s2);
}
}
if (write() == NOERR) r++;
else
{
#ifdef DBG
yesnofatal_box("Numero linea relativa all'errore: %ld",r+e+1);
#endif
e++;
last = status();
}
s = f.line();
}
s1.format("Imp. archivio %s\n%6ld records %6ld errori - %3d", filename(), r, e, last);
p.set_text(s1);
close();
setstatus(err);
return err;
}
// @doc EXTERNAL
// @mfunc Esporta VERSO un file ascii.
//
// @rdesc Ritorna NOERR se l'operazione di esportazione e' riuscita, altrimenti il codice di
// di errore generato (vedi <t TIsamerr>).
int TSystemisamfile::dump(
const char* to, // @parm Nome del file verso quale esportare
int nkey, // @parm Numero della chiave di ordinamento con cui scaricare i dati (defualt 1)
char fs, // @parm Carattere seperatore di campo (defualt <pipe>)
char fd, // @parm Carattere delimitatore di campo (default '\\0')
char rs, // @parm Carattere separatore di record (default '\\n')
bool vis, // @parm Indica se visualizzare lo stato dell'operazione (defualt TRUE)
bool withdeleted) // @parm Indica se scaricare anche i record cancellati (dafault FALSE)
// @xref <mf TSystemisamfile::load>
{
FILE* f = fopen(to, "w");
if (f == NULL)
{
setstatus(2);
return 2;
}
if (withdeleted) nkey = 0;
int err = ferror(f);
open();
TString s(512);
bool fixedlen = (fs == '\0');
int nflds = curr().items();
TArray fld(nflds);
TBit_array rjust(nflds);
int len[MaxFields];
for (int j = 0; j < nflds; j++)
{
fld.add(TString(curr().fieldname(j)), j);
const TString & wfld = (const TString&) fld[j];
const TFieldtypes t = curr().type(wfld);
rjust.set(j, t == _intfld || t == _longfld || t == _realfld ||
t == _wordfld || t == _intzerofld || t == _longzerofld);
len[j] = (t == _datefld) ? 10 : curr().length(wfld);
}
TRecnotype i = 0;
const TRecnotype nitems = nkey ? items() : filehnd()->d->EOD;
s.format("Esportazione archivio %s", filename());
TProgind p(nitems, s, TRUE, TRUE, 70);
TString s1;
fprintf(f, "[Header]\nVersion=%ld", prefix().filelevel());
for (int k = 0; k < nflds; k++)
{
if ((k % 10) == 0) fprintf(f, "\nFields=");
else fprintf(f, "|");
fprintf(f, "%s,%d", (const char *) (const TString&) fld[k], len[k]);
}
fprintf(f, "\n\n[Data]\n");
if (nkey)
{
setkey(nkey);
for ( first(); status() == NOERR && !p.iscancelled(); next(), i++)
{
p.setstatus(i + 1);
s = "";
for (j = 0; j < nflds; j++)
{
if (fixedlen)
{
s1 = get((const TString&)fld[j]);
if (rjust[j]) s1.right_just(len[j]);
else s1.left_just(len[j]);
}
else
{
s1 = "";
if (j && fs) s1 << fs;
if (fd) s1 << fd;
s1 << get((const TString&)fld[j]);
if (fd) s1 << fd;
}
s << s1;
}
fprintf(f, "%s%c", (const char*) s, rs);
}
}
else
{
for (i = 0; i < nitems && !p.iscancelled(); i++)
{
zero();
p.setstatus(i + 1);
readat(i + 1);
s="";
if (withdeleted || curr().valid())
{
for (j = 0; j < nflds; j++)
{
if (fixedlen)
{
s1 = get((const TString&)fld[j]);
if (rjust[j]) s1.right_just(len[j]);
else s1.left_just(len[j]);
}
else
{
s1 = "";
if (j && fs) s1 << fs;
if (fd) s1 << fd;
s1 << get((const TString&)fld[j]);
if (fd) s1 << fd;
}
s << s1;
}
fprintf(f, "%s%c", (const char*) s, rs);
}
}
}
p.setstatus(nitems);
close();
fclose(f);
setstatus(err);
return err;
}
#endif // FOXPRO
void TBaseisamfile::recover()
{
}
////////////////////////////////////////////////////////////
// TRectype
////////////////////////////////////////////////////////////
TRectype::TRectype(int logicnum) : _cod(NULL)
{
_logicnum = logicnum;
_memoinfo = NULL;
if (openf[_logicnum - 1] != NULL)
_length = DB_reclen(openf[logicnum - 1]->fhnd);
else
{
TDir wdir;
wdir.get(_logicnum, _nolock, _nordir, _sysdirop);
if (wdir.is_com())
wdir.get(_logicnum, _nolock, _comdir, _sysdirop);
_length = wdir.len();
}
_rec = new char [ _length ];
*_tab = '\0';
if (_length)
zero();
else
setempty(TRUE);
}
TRectype::TRectype(const TBaseisamfile* i): _cod(NULL)
{
_logicnum = i->num();
_memoinfo = NULL;
if (i->filehnd() != NULL)
_length = DB_reclen(i->filehnd()->fhnd);
else
{
TDir wdir;
wdir.get(_logicnum, _nolock, _nordir, _sysdirop);
if (wdir.is_com())
wdir.get(_logicnum, _nolock, _comdir, _sysdirop);
_length = wdir.len();
}
*_tab = '\0';
_rec = new char [ _length ];
if (_length)
zero();
else
setempty(TRUE);
}
TRectype::TRectype(const TRectype& r)
: _cod(NULL)
{
_logicnum = r._logicnum;
if ( r._memoinfo )
_memoinfo = new TMemo_info( this, *r._memoinfo);
else
_memoinfo = NULL;
_length = r.len();
_rec = new char [ _length ];
_rec[0] = r._rec[0];
memcpy(_rec + 1, r._rec + 1, _length - 1);
strcpy(_tab, r._tab);
if (r._cod != NULL)
_cod = new TRecfield(*this, "COD");
setempty(r.empty());
}
TRectype::~TRectype()
{
if (_cod != NULL) delete _cod;
if (_rec != NULL) delete _rec;
if (_memoinfo != NULL ) delete _memoinfo;
}
void TRectype::settab(const char *tab)
{
if (_cod != NULL)
{
delete _cod;
_cod = NULL;
}
strcpy(_tab, tab);
if (*_tab != '\0')
_cod = new TRecfield(*this, "COD");
zero();
}
TObject* TRectype::dup() const
{
TRectype* o = new TRectype(*this);
return o;
}
const char* TRectype::build_key(int num) const
{
CBuildKey(rec_des(), num, string(), __tmp_string, TRUE);
return __tmp_string;
}
const char* TRectype::last_key_field(int key) const
{
const KeyDes& kd = rec_des()->Ky[key];
const int last = kd.NkFields-1;
const bool upp = kd.FieldSeq[last] > MaxFields;
const int nf = upp ? kd.FieldSeq[last] - MaxFields : kd.FieldSeq[last];
const RecFieldDes& rf = rec_des()->Fd[nf];
return rf.Name;
}
// @doc EXTERNAL
// @mfunc Confronta le chiavi di due record
//
// @rdesc Ritorna il risultato di una <f strcmp>:
//
// @flag 0 | Se le due chiavi sono uguali
// @flag <lt><gt>0 | Se le due chiavi sono diverse
int TRectype::compare_key(
const TRectype& rec, // @parm Record di cui confrontare le chiavi
int key, // @parm Numero della chiave del presente record (defautl 1)
int skip_last) const // @parm Numero di campi di ignorare nella comparazione a partire dall'ultimo
// @xref <mf TRectype::build_key>
{
TString256 key1= build_key(key);
TString256 key2 = rec.build_key(key);
if (skip_last > 0)
{
const KeyDes& kd = rec_des()->Ky[key-1];
const int last = kd.NkFields-1;
CHECKD(last >= skip_last, "Can't ignore so many fields in key: ", skip_last);
for (int l = 0; l < skip_last; l++)
{
int nf = kd.FieldSeq[last-l];
if (nf > MaxFields) nf -= MaxFields;
const RecFieldDes& rf = rec_des()->Fd[nf];
key1.rtrim(rf.Len);
key2.rtrim(rf.Len);
}
}
const int res = strcmp(key1, key2);
return res;
}
HIDDEN bool fld_empty(const char* s, int len, bool number)
{
/*if (number)
{
for (; len; s++, len--)
if (strchr(" 0.", *s) == NULL) return FALSE;
}
else */
if (*s)
{
for (; len; s++, len--)
if (*s != ' ') return FALSE;
}
return TRUE;
}
HIDDEN int fld_cmp(const char* a, const char* b, int len, bool number)
{
for (int i = 0; i < len && *a == *b; b++, a++, i++);
if (i == len) return 0;
int res = *a - *b;
if (number)
{
b -= i;
i = 0;
}
return fld_empty(b, len - i, number) ? 0 : res;
}
///////////////////////////////////////////////////////////
// TRectype (record di un file)
///////////////////////////////////////////////////////////
RecDes* TRectype::rec_des() const
{
const isdef* i = openf[_logicnum-1];
CHECKD(i, "Can't use a record of closed file ", _logicnum);
RecDes* r = i->r;
CHECKD(r, "Missing record description of file", _logicnum);
return r;
}
int TRectype::items() const
{
return rec_des()->NFields;
}
const char* TRectype::start(int nf) const
{
return string() + rec_des()->Fd[nf].RecOff;
}
int TRectype::compare(const TSortable& s) const
{
const TRectype& br = (const TRectype&) s;
int res = 0;
if (br.empty()) return UNDEFINED;
const RecDes& rd = *rec_des();
for (int i = 0; i < items() ; i++)
{
const char* b = br.start(i);
const char* a = start(i);
const byte typ = rd.Fd[i].TypeF;
const int sz = rd.Fd[i].Len;
const bool number = (typ == _intfld) || (typ == _realfld) ||
(typ == _longfld) || (typ == _wordfld) ||
(typ == _intzerofld) || (typ == _longzerofld)
|| (typ == _datefld) ;
if (fld_empty(b, sz, number)) continue;
res = ::fld_cmp(a, b, sz, number);
if (res) return res;
}
return 0;
}
TFieldtypes TRectype::type(const char* fieldname) const
{
return (TFieldtypes) CFieldType((char*) fieldname, rec_des());
}
int TRectype::length(const char* fieldname) const
{
return CFieldSize((char*) fieldname, rec_des());
}
int TRectype::ndec(const char* fieldname) const
{
return CFieldDec((char*) fieldname, rec_des());
}
bool TRectype::exist(const char* fieldname) const
{
return findfld(rec_des(), (char*)fieldname) != FIELDERR;
}
const char* TRectype::fieldname(int i) const
{
RecDes* rd = rec_des();
return i >= 0 && i < rd->NFields ? rd->Fd[i].Name : NULL;
}
const char* TRectype::get_str(const char* fieldname) const
{
RecDes* rd = rec_des();
if (CFieldType((char*) fieldname, rd) == _datefld)
{
const TRecfield f((TRectype&)*this, fieldname);
strcpy(_isam_string, (const char*) f);
}
else
{
if (CGetFieldBuff((char*) fieldname, rd, _rec, _isam_string) == FIELDERR)
UNKNOWN_FIELD(num(), fieldname);
if (CFieldType((char*) fieldname,rd) == _boolfld)
{
if (toupper(*_isam_string) == 'T' || toupper(*_isam_string) == 'Y'
|| toupper(*_isam_string) == 'S' || toupper(*_isam_string) == 'X')
strcpy(_isam_string,"X");
else
strcpy(_isam_string," ");
}
}
return _isam_string;
}
#ifndef FOXPRO
const TString& TRectype::get(const char* fieldname) const
{
static TFixed_string tmp(_isam_string, sizeof(_isam_string));
if( _memoinfo && type( fieldname ) == _memofld )
{
const TString16 fn( fieldname );
return _memoinfo->get( fn );
}
get_str(fieldname);
return tmp;
}
int TRectype::get_int(const char* fieldname) const
{
if (CGetFieldBuff((char*) fieldname, rec_des(), _rec, _isam_string) == FIELDERR)
UNKNOWN_FIELD(num(), fieldname);
return atoi(_isam_string);
}
long TRectype::get_long(const char* fieldname) const
{
if (CGetFieldBuff((char*) fieldname, rec_des(), _rec, _isam_string) == FIELDERR)
UNKNOWN_FIELD(num(), fieldname);
return atol(_isam_string);
}
word TRectype::get_word(const char* fieldname) const
{
if (CGetFieldBuff((char*) fieldname, rec_des(), _rec, _isam_string) == FIELDERR)
UNKNOWN_FIELD(num(), fieldname);
return (word)atoi(_isam_string);
}
real TRectype::get_real(const char* fieldname) const
{
if (CGetFieldBuff((char*) fieldname, rec_des(), _rec, _isam_string) == FIELDERR)
UNKNOWN_FIELD(num(), fieldname);
real r(_isam_string);
return r;
}
char TRectype::get_char(const char* fieldname) const
{
if (CGetFieldBuff((char*) fieldname, rec_des(), _rec, _isam_string) == FIELDERR)
UNKNOWN_FIELD(num(), fieldname);
return *_isam_string;
}
bool TRectype::get_bool(const char* fieldname) const
{
if (CGetFieldBuff((char*) fieldname, rec_des(), _rec, _isam_string) == FIELDERR)
UNKNOWN_FIELD(num(), fieldname);
if (toupper(*_isam_string) == 'T' || toupper(*_isam_string) == 'Y'
|| toupper(*_isam_string) == 'S' || toupper(*_isam_string) == 'X')
return TRUE;
else
return FALSE;
}
// @doc EXTERNAL
// @mfunc Ritorna il contenuto di un campo memo
//
// @rdesc Ritorna sempre TRUE
bool TRectype::get_memo(
const char* fieldname, // @parm Nome del campo da cui estrarre il contenuto
TTextfile& txt) const // @parm Reference della variabile a cui assegnare il contenuto dell campo
{
TToken_string memo( get( fieldname ), '\n' );
const int last = memo.items( );
for( int i = 0; i < last; i ++ )
{
TString m(memo.get(i));
const int l = m.len() > 0 ? m.len()-1 : 0;
if (m[l] == '\r') m.cut(l);
txt.append( m );
}
return TRUE;
}
#endif // FOXPRO
TDate TRectype::get_date(const char* fieldname) const
{
if (CGetFieldBuff((char*) fieldname, rec_des(), _rec, _isam_string) == -1)
UNKNOWN_FIELD(num(), fieldname);
TDate d(_isam_string);
return d;
}
#ifndef FOXPRO
void TRectype::put(const char* fieldname, int val)
{
if (CPutField((char*) fieldname, rec_des(), &val, _rec) == FIELDERR)
UNKNOWN_FIELD(num(), fieldname);
setempty(FALSE);
}
void TRectype::put(const char* fieldname, long val)
{
if (CPutField((char*) fieldname, rec_des(), &val, _rec) == FIELDERR)
UNKNOWN_FIELD(num(), fieldname);
setempty(FALSE);
}
void TRectype::put(const char* fieldname, TTextfile& txt)
{
long val = get_long(fieldname);
bool isnew = val == 0;
TLocalisamfile f(_logicnum);
TMemo_file memo(f.filename());
long id = memo.set_field(txt, isnew ? FIELDERR : val);
if (isnew) val = id;
TString16 str; str << val;
if (CPutFieldBuff((char*) fieldname, rec_des(), (char*)(const char*)str, _rec) == FIELDERR)
UNKNOWN_FIELD(num(), fieldname);
setempty(FALSE);
}
void TRectype::put(const char* fieldname, word val)
{
if (CPutField((char*) fieldname, rec_des(), &val, _rec) == FIELDERR)
UNKNOWN_FIELD(num(), fieldname);
setempty(FALSE);
}
void TRectype::put(const char* fieldname, const real& val)
{
if (CPutFieldBuff((char*) fieldname, rec_des(), (char*)(const char*)val.string(), _rec) == FIELDERR)
UNKNOWN_FIELD(num(), fieldname);
setempty(FALSE);
}
void TRectype::put(const char* fieldname, const TDate& val)
{
TRecfield f(*this, fieldname);
f = val.string(full);
setempty(FALSE);
}
void TRectype::put(const char* fieldname, char val)
{
char w[2] = {val, '\0'};
if (CPutFieldBuff((char*) fieldname, rec_des(), w, _rec) == FIELDERR)
UNKNOWN_FIELD(num(), fieldname);
setempty(FALSE);
}
void TRectype::put(const char* fieldname, bool val)
{
char s[2] = { val ? 'T' : 'F', '\0'};
if (CPutFieldBuff((char*) fieldname, rec_des(), s, _rec) == FIELDERR)
UNKNOWN_FIELD(num(), fieldname);
setempty(FALSE);
}
#endif // FOXPRO
void TRectype::put(const char* fieldname, const char* val)
{
const TFieldtypes ft = (TFieldtypes)CFieldType((char*) fieldname, rec_des());
if (val == NULL) val = "";
if (ft == _boolfld)
val = (*val > ' ' && strchr("STXY", toupper(*val)) != NULL) ? "T" : "F";
if (*val == '\0') // Da provare
{
TRecfield f(*this, fieldname);
if (*f.pos() == '\0') return;
}
if (ft == _datefld)
{
TRecfield f(*this, fieldname);
f = val;
return;
}
if(ft == _memofld)
{
// Qui registro il campo memo
CHECK( _memoinfo, "La struttura TMemo_info non <20> stata allocata!" );
_memoinfo->put( fieldname, val );
}
else
{
if (CPutFieldBuff((char*) fieldname, rec_des(), (char*)val, _rec) == FIELDERR)
UNKNOWN_FIELD(num(), fieldname);
}
setempty(FALSE);
}
void TRectype::zero(const char* fieldname)
{
if (_cod != NULL && strcmp(fieldname , "COD") == 0)
*_cod = _tab;
else
{
if (CFieldType((char*) fieldname, rec_des()) == _datefld)
{
TRecfield f(*this, fieldname);
f = "";
}
else
if (CZeroField((char*) fieldname, rec_des(), _rec) == FIELDERR)
UNKNOWN_FIELD(num(), fieldname);
}
if( lf_has_memo( _logicnum ) )
init_memo_info(RECORD_NON_FISICO );
}
void TRectype::zero()
{
zero('\0');
}
void TRectype::zero(char c)
{
recall();
memset(_rec + 1, c, len() - 1);
if (_cod != NULL)
*_cod = _tab;
if( lf_has_memo( _logicnum ) )
init_memo_info( RECORD_NON_FISICO );
setempty(TRUE);
}
// Certified 99%
TRectype& TRectype::operator =(const TRectype& rec)
{
CHECK(num() == rec.num(), "Can't assign records of different file");
memcpy(_rec, rec._rec, _length); // Copy contents
if (_memoinfo)
{
TTrec r;
r.get(_logicnum);
RecDes* rd = r.rec();
const int nfields = r.fields( );
for( int i = 0; i < nfields; i ++ )
{
const char* name = rd->Fd[i].Name;
const unsigned int offset = rd->Fd[i].RecOff;
#ifndef FOXPRO
if ( rd->Fd[i].TypeF == _memofld )
_memoinfo->put(name,rec.get(name)); // Copy memo fields
#endif
}
}
setempty(rec.empty()); // Copy emptiness status
return *this;
}
// Certified 100%
TRectype& TRectype::operator =(const TBaseisamfile& f)
{
return *this = f.curr();
}
// Certified 100%
int TRectype::read(TBaseisamfile& f, word op)
{ return f.read(*this, op); }
// Certified 100%
int TRectype::next(TBaseisamfile& f)
{
const int err = f.next();
*this = f.curr();
return err;
}
// Certified 100%
int TRectype::write(TBaseisamfile& f) const
{ return f.write(*this); }
// Certified 100%
int TRectype::rewrite(TBaseisamfile& f) const
{
return f.rewrite(*this);
}
// Certified 100%
int TRectype::remove(TBaseisamfile& f) const
{
return f.remove(*this);
}
void TRectype::renum_key(const char* field, const char* val)
{
put(field, val);
}
// Certified 99%
TRectype& TRectype::operator =(const char* rec)
{
memcpy(_rec, rec, _length);
setempty(FALSE);
return *this;
}
const char* TRectype::key(int numkey) const
{
CBuildKey(rec_des(), numkey, _rec, _isam_string,FALSE);
return _isam_string;
}
///////////////////////////////////////////////////////////
// TRecfield (campo/sottocampo di un record)
///////////////////////////////////////////////////////////
void TRecfield::set(int from, int to)
{
int nf;
RecDes* rd = _rec->rec_des();
if ((nf = findfld(rd, _name)) == FIELDERR)
{
_p = NULL;
_len = 0;
_dec = 0;
_type = _nullfld;
yesnofatal_box("File n. %d unknown field %s", _rec->num(), _name);
}
else
{
CHECK(from >= 0, "Invalid Start");
_p = _rec->string() + rd->Fd[nf].RecOff + from;
_dec = rd->Fd[nf].Dec;
_type = (TFieldtypes)rd->Fd[nf].TypeF;
if (to >= 0)
{
CHECK(from <= to && to <= rd->Fd[nf].Len, "Invalid Range");
_len = to - from + 1;
}
else _len = rd->Fd[nf].Len - from;
}
}
TRecfield::TRecfield(TRectype& rec, const char* name, int from, int to)
{
strcpy(_name, name);
_rec = &rec;
set(from, to);
}
HIDDEN void __getfieldbuff(byte l, byte t, const char* recin, char *s)
{
if (recin == NULL)
{
*s = '\0';
return;
}
if (t != _alfafld && t != _datefld)
{
if (t == _intzerofld || t == _longzerofld)
{
byte i = 0;
for (char* c = (char*)recin; i < l; c++, i++)
if (*c == ' ') *c = '0';
else break;
if (i == l)
l = 0;
}
else
{
while ((*recin == ' ') && (l))
{
recin++;
l--;
}
if ((t != _realfld) && (t != _charfld))
{
while ((*recin == '0') && (l))
{
recin++;
l--;
}
}
}
}
if (l)
{
strncpy(s, recin, l);
for (int i = l-1; i >= 0 && s[i] == ' '; i--);
l = byte(i+1);
}
s[l] = '\0';
if (*s)
{
if (t == _datefld)
{
const TDate dt(atol(s));
strcpy(s, dt.string(full));
} else
if (t == _boolfld)
{
const char ok = toupper(*s);
if (ok == 'T' || ok == 'Y' || ok == 'S' || ok == 'X')
strcpy(s,"X");
else
strcpy(s," ");
}
}
}
HIDDEN void __putfieldbuff(byte l, byte d, byte t, const char* s, char* recout)
{
int len, i;
if (recout == NULL) return;
char s2[256];
strcpy(s2, s);
if (t == _datefld)
{
if (*s2)
{
const TDate dt(s2);
sprintf(s2,"%8s", dt.string(ANSI));
}
}
else
if (t == _boolfld)
{
const char ok = toupper(*s2);
if (ok == 'T' || ok == 'Y' || ok == 'S' || ok == 'X')
strcpy(s2, "T");
else
strcpy(s2, "F");
}
else
if (t == _realfld) setdec(s2, d);
len = strlen(s2);
if (len > l)
{
yesnofatal_box("Impossibile scrivere %d caratteri su di un campo di %d", (int)len, (int)l);
return;
}
if ((t == _intfld) ||
(t == _longfld) ||
(t == _wordfld) ||
(t == _realfld) ||
(t == _intzerofld) ||
(t == _longzerofld)
)
{
if (len == 0)
{
strcpy(s2, "0");
len = 1;
}
const char c = (t == _intzerofld || t == _longzerofld) ? '0' : ' ';
i = 0;
while (i < l - len - 1) recout[i++] = c;
strncpy(&recout[l - len - 1], s2, len) ;
}
else
{
strncpy(recout, s2, len) ;
while (len < l) recout[len++] = ' ';
}
}
int TRecfield::operator =(int i)
{
if (_type == _intzerofld)
sprintf(_isam_string, "%0*d", _len, i);
else
sprintf(_isam_string, "%d", i);
__putfieldbuff( _len, _dec, _type, _isam_string, _p);
_rec->setempty(FALSE);
return i;
}
long TRecfield::operator =(long l)
{
if (_type == _longzerofld)
sprintf(_isam_string, "%0*ld", _len, l);
else
sprintf(_isam_string, "%ld", l);
__putfieldbuff( _len, _dec, _type, _isam_string, _p);
_rec->setempty(FALSE);
return l;
}
#ifndef FOXPRO
const real& TRecfield::operator =(const real& r)
{
strcpy(_isam_string, r.string());
__putfieldbuff( _len, _dec, _type, _isam_string, _p);
_rec->setempty(FALSE);
return r;
}
#endif // FOXPRO
const TDate& TRecfield::operator =(const TDate& d)
{
strcpy(_isam_string, (const char*)d);
__putfieldbuff( _len, _dec, _type, _isam_string, _p);
_rec->setempty(FALSE);
return d;
}
const char* TRecfield::operator =(const char* s)
{
__putfieldbuff( _len, _dec, _type, s, _p);
_rec->setempty(FALSE);
return s;
}
void TRecfield::setptr(TRecnotype r)
{
if (_p == NULL) return;
bool n = r < 0;
unsigned char* wp = (unsigned char*) _p;
if (n) r = -r;
while(wp - (unsigned char*) _p <= 3)
{
*wp = r && 0x000000FF;
r >>= 8;
wp++;
}
if (n) *wp += 128;
}
TRecfield::operator int() const
{
__getfieldbuff( _len, _type, _p, _isam_string);
return atoi(_isam_string);
}
TRecfield::operator long() const
{
__getfieldbuff( _len, _type, _p, _isam_string);
return atol(_isam_string);
}
#ifndef FOXPRO
TRecfield::operator const real() const
{
__getfieldbuff( _len, _type, _p, _isam_string);
real r(_isam_string);
return r;
}
#endif // FOXPRO
TRecfield::operator TDate() const
{
__getfieldbuff(_len, _type, _p, _isam_string);
TDate d(_isam_string);
return d;
}
TRecfield::operator const char*() const
{
if (_type == _memofld)
return _rec->get(_name);
__getfieldbuff(_len, _type, _p, _isam_string);
return _isam_string;
}
TRecnotype TRecfield::ptr() const
{
if (_p == NULL) return(RECORD_NON_FISICO);
unsigned char* wp = (unsigned char*) _p + 3;
TRecnotype r = *wp;
bool n = r > 127;
if (n) r -= 128;
while(wp-- > (unsigned char*) _p) r = r << 8 + *wp;
return n ? -r : r;
}
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