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Corretti alcuni metodi di TTRec:

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len() : ritorna solo se il numero di campi e' > 0
  operatore di uguaglianza: e' cambiato il criterio, non effettua piu' la memcmp()
  dump : corretto lo scarico per il  nome delle tabelle.


git-svn-id: svn://10.65.10.50/trunk@4343 c028cbd2-c16b-5b4b-a496-9718f37d4682
This commit is contained in:
angelo 1997-05-14 11:01:50 +00:00
parent 2a87255bc6
commit f91f9f442e
2 changed files with 40 additions and 5 deletions
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43
include/files.cpp
View File

@ -13,6 +13,7 @@
#endif
#include <extcdecl.h>
#include <lffiles.h>
#define BLOCKLEN 512
#define INVFLD 255
@ -366,7 +367,41 @@ TTrec::~TTrec ()
int TTrec::compare(const TSortable & a) const
{
const TTrec & r = (const TTrec &) a;
const int res = memcmp ((const void *) _rec, (const void *) r._rec, sizeof (*_rec));
int res = 0;
if (_rec->NFields != r._rec->NFields || _rec->NKeys != r._rec->NKeys) // Confronta prima il numero dei campi o il numero delle chiavi
res = 1;
else
{
const int nkeys = _rec->NKeys;
for (int i=0; i<nkeys && res==0; i++) // scorre la lista delle chiavi (sono meno del numero di campi)
{
const KeyDes& k1 = _rec->Ky[i];
const KeyDes& k2 = r._rec->Ky[i];
if (k1.DupKeys != k2.DupKeys || k1.NkFields != k2.NkFields)
res = 1;
else
for (int j=0; j<k1.NkFields && res==0; j++)
if (k1.FieldSeq[j] != k2.FieldSeq[j] || k1.FromCh[j] != k2.FromCh[j]
|| (k1.FromCh[j] != INVFLD && k1.ToCh[j] != k2.ToCh[j]))
res = 1;
}
if (res == 0) // se sono ancora uguali confronta tutti i campi
{
const int nflds = _rec->NFields;
for (int n=0; n<nflds && res==0; n++)
{
const RecFieldDes& r1 = _rec->Fd[n];
const RecFieldDes& r2 = r._rec->Fd[n];
if (r1.TypeF != r2.TypeF || r1.Len != r2.Len || r1.Dec != r2.Dec)
res = 1;
else
if (strcmp(r1.Name,r2.Name) != 0)
res = 1;
}
}
}
return res;
}
@ -570,7 +605,7 @@ void TTrec::update_keydef (int key, const char *desc)
_rec->Ky[key].FieldSeq[n] = i;
_rec->Ky[key].FromCh[n] = INVFLD;
_rec->Ky[key].FromCh[n] = INVFLD;
_rec->Ky[key].ToCh[n] = INVFLD;
inst = c.step ();
sym = inst.getsym ();
if (sym == _upper)
@ -596,7 +631,7 @@ void TTrec::print_on (ostream & out) const
{
const int n = num();
out << n;
if (_des && n>=3 && n<=5) // Solo se e' una tabella...
if (_des && n>=LF_TABGEN && n<=LF_TAB && _tab.not_empty()) // Solo se e' una tabella...
out << "|" << _tab;
out << '\n';
const int nfields = fields ();
@ -628,7 +663,7 @@ void TTrec::read_from (istream & in)
const int n = num();
in.getline (_files_tmp_string, sizeof (_files_tmp_string), '\n');
if (_des && n>=3 && n<=5)
if (_des && n>=LF_TABGEN && n<=LF_TAB)
{
TString t(_files_tmp_string);

2
include/files.h
View File

@ -244,7 +244,7 @@ public:
const char* keydef(int key) const;
// @cmember Ritorna la lunghezza del record
int len() const
{ return _rec->Fd[fields() - 1].RecOff + _rec->Fd[fields() - 1].Len; }
{ return fields() > 0 ? _rec->Fd[fields() - 1].RecOff + _rec->Fd[fields() - 1].Len : 0; }
#ifndef FOXPRO
// @cmember Aggiorna la chiave. <p desc> e' una token string