Asp Forum - [?] ???????????? ?? ?++ ? ?????-????

Brigadir

3/30/2005 9:17:00 PM

OOO ?OIAIAIA A¦IOUA ?¦IIOI?OOEA...
EIOI?A ? EIAOE:
class A
{
public:
static A *List[MAX_A];
static int Count;
int Index;
A();
~A();
... // ¦IU¦ IAOIAE ¦ AAI¦
};
A::A()
{
for (int i=0; i<MAX_A; i++)
if (List[i] == NULL)
{
List[i] = this;
Index = i;
break;
}
Count ++;
}
A::~A()
{
Count--;
List[Index] = NULL;
}

class B :public A
{
// OOO ?OA AIAIIC¦?II O¦IOEE UAI¦OOO a ?EUAII ÷
};
B::B()
:A()
{...} // ¦ OOO OIOA...

OA?AO ?INOIA, IAYI N "¦U?OAYA?ON" U List'AIE:
EIOAI EIIOOOOEOIO AIAA? IA?EO ? EIIOAEIAO. ?IO¦I AAE EIIOAEIAO
IAOIAIN?OOON ? ?OICOAI¦. oIAOI ?O¦ IA?EOE EIAOO A AIOOO?I¦ U A::List[],
A OEAUAOAI¦ IA IA?EOE B I¦OONOOON ? a::List[] i B::List[]
IA?OEEIAA, NEUI a - O?AOEIE, A ÷ - ?OAUEE, OI ?O¦ IA?EOE a i B AEEAAOO,
A IA?EOE ÷ YA I¦OAAOO (IAA¦AOO ¦AAN UOIUOI¦IA)

OAE IO...
IAI¦ ?ICIOO UAA?OOON YI Index U EIAOO a UAI¦IA?OOON ? EIAO¦ ÷ (IA
OAEOIIE OOAOE?IEE AAIEE IA UIAA)

?IOAAOOA ?IU, EOI UIA?, NE OOO AOOE, AAI NE¦ ? AIOOAOIAOE?I¦ ?AO¦AIOE
AIN EIIOAEIAO¦?

5 Answers

WebAngel

3/31/2005 7:13:00 AM

?I?OIAOE OEAUU?AOO N?II EIE OAAIAOO EIAAEO ?OE?AOIUI
?IEIAO IAIAOOO ?EAEIIOOE OAOUEOEIAOO IAIIICI, EAE OU OOA UAIAOEI :)

--
Using Opera''s revolutionary e-mail client: http://www.ope...

Anton N. Breusov

3/31/2005 7:50:00 AM

Konnichi wa, Undead <vuiko_vovan@viii.ntu-kpi.kiev.ua>:
> class A
> {
> public:
> static A *List[MAX_A];
> static int Count;
> int Index;
> A();
> ~A();
> ... // ?IU? IAOIAE ? AAI?
> };
uA I?AIO OAAEEI EOEIA?AIEAI (E OI, AOOO ?AOEAIOU) ?OAIE?IUA
AAIIUA -- bad style.

> OA?AO ?INOIA, IAYI N "?U?OAYA?ON" U List''AIE:
> EIOAI EIIOOOOEOIO AIAA? IA?EO ? EIIOAEIAO. ?IO?I AAE EIIOAEIAO
> IAOIAIN?OOON ? ?OICOAI?. oIAOI ?O? IA?EOE EIAOO A AIOOO?I? U A::List[],
> A OEAUAOAI? IA IA?EOE B I?OONOOON ? a::List[] i B::List[]
> IA?OEEIAA, NEUI a - O?AOEIE, A ÷ - ?OAUEE, OI ?O? IA?EOE a i B AEEAAOO,
> A IA?EOE ÷ YA I?OAAOO (IAA?AOO ?AAN UOIUOI?IA)
eAAN ?IINOIA, IA OI?OAI ?IINOII ?OI OU EI?AUO IO IA? ?IIO?EOO E EAE.

> OAE IO... IAI? ?ICIOO UAA?OOON YI Index U EIAOO a UAI?IA?OOON ? EIAO? ÷
> (IA OAEOIIE OOAOE?IEE AAIEE IA UIAA)
iA?N?E AAIIUA protected EION AU, AIOOO?AEON N?II ?AOAU O?AAE?EEAOIO EIAOOA
(A::Index, B::Index).

> ?IOAAOOA ?IU, EOI UIA?, NE OOO AOOE, AAI NE? ? AIOOAOIAOE?I? ?AO?AIOE
> AIN EIIOAEIAO??
uA?AOOE IAIAAOAO-?AAOEEO, EIOIOUE AOAAO UOEIE EIAOOAIE O?OA?INOO
E ACI ?OIEAENIE AIAA?INOO E OAAINOO EU EIIOAEIAOI?.

--
Anton N. Breusov ''Antonz''.
Well, you know our Russian traditions... No vodka - no movies.

Marchello

3/31/2005 10:10:00 AM

> ÐÏÒÁÄØÔÅ ÐÌÚ, ÈÔÏ ÚÎÁ¤, ÑË ÔÕÔ ÂÕÔÉ, ÁÂÏ ÑË¦ ¤ ÁÌØÔÅÒÎÁÔÉ×Î¦ ×ÁÒ¦ÁÎÔÉ
> ÄÌÑ ËÏÎÔÅÊÎÅÒ¦×

íÏÖÅÔ ÜÔÏ ÎÅ ÓÏ×ÓÅÍ ÔÏ, ÞÔÏ ÎÕÖÎÏ, ÎÏ ÍÏÖÎÏ ÔÁËÏÊ ×ÁÒÉÁÎÔ:

éÍÅÅÍ ÁÂÓÔÒÁËÔÎÙÊ ÂÁÚÏ×ÙÊ ËÌÁÓÓ:

class CBase
{
public:
virtual void F1() = 0;
virtaul void F2() = 0;
};

úÁÔÅÍ ÉÍÅÅÍ Ó×ÑÚÁÎÎÙÊ ÓÐÉÓÏË ÓÏÄÅÒÖÁÝÉÊ ÕËÁÚÁÔÅÌÉ ÎÁ ÐÒÏÉÚ×ÏÄÎÙÅ ËÌÁÓÓÙ:

struct TLinkedNode
{
CBase *CurrentObj;
TLinkedNode *Next;

TLinkedNode(CMObject *NextObj)
{
Next = NULL;
CurrentObj = NextObj;
}
};

ÐÏÔÏÍ ×ÓÅ ËÌÁÓÓÙ × ÐÒÏÇÅ ÎÁÓÌÅÄÕÀÔÓÑ ÏÔ CBase:

class COther : CBase
{
public:
COther()
{
AddToList(this);
}

virtual void F1() {...};
virtual void F2() {...};
};

void AddToList(CBase *Obj) - ÒÅËÕÒÓÉ×ÎÏ ÚÁÐÏÌÎÑÅÔ ÓÐÉÓÏË.

á ÐÏÔÏÍ ÞÅÒÅÚ ÜÔÏÔ ÓÐÉÓÏË ÍÏÖÎÏ ÒÁÂÏÔÁÔØ Ó ÜÔÉÍÉ ÍÅÔÏÄÁÍÉ (F1 É F2) ×ÓÅÈ
ËÌÁÓÓÏ×.
îÕ ÔÉÐÁ ÔÁË:

TLinkedNode *List; // ÂÕÄÅÍ ÓÞÉÔÁÔØ ÞÔÏ ÓÐÉÓÏË ÚÁÐÏÌÎÅÎ.

void ExecList(CBase *Node)
{
if (Node!=NULL)
{
Node->CurrentObj->F1();
Node->CurrentObj->F2();

ExecList(Node->Next);
}
}

ExecList(List);

(íÏÖÅÔ Ñ ÓÄÅÓØ ÏÛÉÂÏË ÍÅÌËÉÈ ÐÏÄÏÐÕÓËÁÌ, ÎÏ ÉÄÅÑ, Ñ ÄÕÍÁÀ, ÑÓÎÁ).

Brigadir

3/31/2005 4:37:00 PM

Anton N. Breusov ?EUAO:

> uA I?AIO OAAEEI EOEIA?AIEAI (E OI, AOOO ?AOEAIOU) ?OAIE?IUA
> AAIIUA -- bad style.

.... ?OEEIAEOOON ?EUE?AOE ?EYAI?EOAI¦ AAI¦ U IA?EO¦?, A ?EOAOE AIN
EIOIICI EIAOO Get/Set OOIEE ??AAII, AIA ? IAEAOOIOIIO ?OA, YI IIOIA,
?IEI?AA :))

> eAAN ?IINOIA, IA OI?OAI ?IINOII ?OI OU EI?AUO IO IA? ?IIO?EOO E EAE.
IO... IA?OEEIAA IA?II MAX_A O?AOEIIE (a) ¦ U IEE MAX_B ?OAUIE (÷), OIA¦
IAOIA?EE ?OEOIAIOICI AEEIO:
for (int i=0; i<MAX_A; i++)
if (A::List[i] != NULL) A::List[i]->Dyhaty();
for (int i=0; i<MAX_B; i++)
if (B::List[i] != NULL) B::List[i]->Fly();

(? ¦AAAI¦ ?I?EIII AOOE A::List[i]->Process() i B::List[i]->Process(),
Process() ?EUIA?AIA AIN EIOIICI EIAOO)

> iA?N?E AAIIUA protected EION AU, AIOOO?AEON N?II ?AOAU O?AAE?EEAOIO EIAOOA
> (A::Index, B::Index).

N ?IAOIO?A?, IIOA IAUE?AOE EIOAI Index ¦ List[] IOIAIE?I (O¦?A IndexA,
ListA...)

> uA?AOOE IAIAAOAO-?AAOEEO, EIOIOUE AOAAO UOEIE EIAOOAIE O?OA?INOO
> E ACI ?OIEAENIE AIAA?INOO E OAAINOO EU EIIOAEIAOI?.

??? OOO N IA AICAINA, IIOIA AAOAIOI¦UA?
?UACAI¦-OI IAOA AEE List''¦?, Process''¦? - O?OIOOEOE OIA¦ OEOON, YIA
IA?OEEIAA, EIIE AOAO OO?IOA?AOE IA?EOE, IA AIAA?AOE EIOAI ?OO?IO ?
EIIOAEIAOE...

Oleg Grodzevich

3/31/2005 7:16:00 PM

Undead <vuiko_vovan@viii.ntu-kpi.kiev.ua> wrote:
>> éÄÅÑ ÐÏÎÑÔÎÁ, ÎÅ ÓÏ×ÓÅÍ ÐÏÎÑÔÎÏ ÞÔÏ ÔÙ ÈÏÞÅÛØ ÏÔ ÎÅ£ ÐÏÌÕÞÉÔØ É ËÁË.
> ÎÕ... ÎÁÐÒÉËÌÁÄ ÍÁ¤ÍÏ MAX_A Ô×ÁÒÉÎÏË (á) ¦ Ú ÎÉÈ MAX_B ÐÔÁÛÏË (÷), ÔÏÄ¦
> ÏÂÒÏÂÞÉË ÐÒÉÒÏÄÎØÏÇÏ ÃÉËÌÕ:
> for (int i=0; i<MAX_A; i++)
> if (A::List[i] != NULL) A::List[i]->Dyhaty();
> for (int i=0; i<MAX_B; i++)
> if (B::List[i] != NULL) B::List[i]->Fly();
>
> (× ¦ÄÅÁÌ¦ ÐÏ×ÉÎÎÏ ÂÕÔÉ A::List[i]->Process() i B::List[i]->Process(),
> Process() ×ÉÚÎÁÞÅÎÁ ÄÌÑ ËÏÖÎÏÇÏ ËÌÁÓÕ)

ôÁË ÚÁÞÅÍ ÔÏÇÄÁ ÄÅÌÁÔØ ÔÁËÉÅ ÖÕÔËÉÅ ÚÁÍÏÒÏÞËÉ ÓÏ ÓÔÁÔÉÞÅÓËÉÍÉ ÞÌÅÎÁÍÉ?
õ ÔÅÂÑ ÜÍÕÌÑÔÏÒ - ÓÄÅÌÁÊ ÏÂÝÉÊ ËÌÁÓÓ (ÏÎ ÖÅ ÂÕÄÅÔ ×ÙÓÔÕÐÁÔØ × ÒÏÌÉ
ÆÁÂÒÉËÉ).

class emulator {
std::list<object*> objects ;
public:
void tick () ;
};

ÇÄÅ object ÂÁÚÏ×ÙÊ ËÌÁÓÓ ×ÓÅÈ ÏÂßÅËÔÏ× × Ô×ÏÅÍ ÍÉÒÅ.
class object {
public:
virtual ~object () {}
virtual void process () = 0 ; // ÐÒÏÇÎÁÔØ ÛÁÇ ÜÍÕÌÑÃÉÉ ÄÌÑ ÏÂßÅËÔÁ
};

ðÏÔÏÍ ÈÏÞÅÛØ ÞÔÏÂÙ ËÁËÉÅ-ÔÏ ÏÂßÅËÔÙ ÄÙÛÁÌÉ, ÓÄÅÌÁÊ ÉÎÔÅÒÆÅÊÓ:

class breathable {
protected: breathable () {}
public:
virtual ~breathable () {}
virtual void breath () = 0 ;
};

åÓÌÉ Õ ÔÅÂÑ ×ÓÅ ÏÂßÅËÔÙ ÄÙÛÁÔ ÏÄÉÎÁËÏ×Ï, ÔÏ ÍÏÖÅÛØ breath() ÏÐÒÅÄÅÌÉÔØ
ÐÒÑÍÏ ÄÌÑ breathable É ÐÒÉ ÖÅÌÁÎÉÉ ÐÅÒÅÇÒÕÖÁÔØ ÄÌÑ ÔÅÈ ËÔÏ ÎÅ ËÁË ×ÓÅ.
ôÁË ÖÅ ÍÏÖÎÏ ÄÁÔØ ×ÏÚÍÏÖÎÏÓÔØ ÏÂßÅËÔÁÍ ÌÅÔÁÔØ, ÐÒÙÇÁÔØ É ËÕ×ÙÒËÁÔØÓÑ.
ðÔÉÃÙ?

class bird : public object, public breathable {
public:
void breath () ; // ÐÏ ÖÅÌÁÎÉÀ
void process () ;
};

÷ .cpp ÆÁÊÌÁÈ:

void bird::proces ()
{
// ÐÕÓÔØ ÐÔÉÃÁ ÓÁÍÁ ÒÅÛÁÅÔ ËÏÇÄÁ ÅÊ ÎÁÄÏ ÄÙÛÁÔØ, Á ÔÏ ÅÓÌÉ ÏÎÁ ÕÖÅ
// ÐÏÍÅÒÌÁ, ÎÏ ÅÝÅ ×ÁÌÑÅÔÓÑ, ÔÏ ÄÙÛÁÔØ ÅÊ ×ÓÅ ÖÅ ×ÒÅÄÎÏ
breath () ;
...
}

void emualtor::tick ()
{
for (std::list<object*>::iterator it = objects.begin () ;
it != objects.end () ; ++it) it->process () ;
}

þÅÒÅÚ RTTI ÍÏÖÎÏ ÔÁËÖÅ ×ÙÑÓÎÉÔØ ÌÅÔÁÀÔ ÌÉ ÏÂßÅËÔÙ, ÄÙÛÁÔ.
íÏÖÎÏ É ÄÒÕÇÉÅ ÐÁÔÔÅÒÎÙ ÐÒÉÍÅÎÑÔØ ËÏÎÅÞÎÏ.

> ??? ÔÕÔ Ñ ÎÅ ÄÏÇÁÎÑÀ, ÍÏÖÎÁ ÄÅÔÁÌØÎ¦ÛÅ?
> ×ÚÁÇÁÌ¦-ÔÏ ÍÅÔÁ ÃÉÈ List''¦×, Process''¦× - ÕÐÒÏÓÔÉÔÉ ÓÏÂ¦ ÖÉÔÔÑ, ÝÏÂ
> ÎÁÐÒÉËÌÁÄ, ËÏÌÉ ÂÕÄÕ ÓÔ×ÏÒÀ×ÁÔÉ ÏÂ¤ËÔÉ, ÎÅ ÄÏÄÁ×ÁÔÉ ËÏÖÅÎ ×ÒÕÞÎÕ ×
> ËÏÎÔÅÊÎÅÒÉ...

÷ÏÔ Ó ÆÁÂÒÉËÏÊ ÔÙ É ÂÕÄÅÛØ ÓÏÚÄÁ×ÁÔØ ÏÂßÅËÔÙ ÞÅÒÅÚ ×ÙÚÏ× ÍÅÔÏÄÁ
ÆÁÂÒÉËÉ, ËÏÔÏÒÙÊ ÓÁÍ ×ÓÅ ÄÏÂÁ×ÉÔ × ÎÕÖÎÙÅ ÓÐÉÓËÉ. óÁÍÙÊ ÔÕÐÏÊ ×ÁÒÉÁÎÔ
(ÔÁË ÄÅÌÁÔØ ÎÅ ÎÁÄÏ, ÐÒÏÓÔÏ ÉÌÌÀÓÔÒÁÃÉÑ), Õ emulator ÅÓÔØ ÍÅÔÏÄ

object* emulator::create_bird () {
object* o = new bird ();
objects.push_back (o) ;
return o ;
}

ðÏ ÈÏÒÏÛÅÍÕ ËÏÎÅÞÎÏ ÎÁÄÏ ÄÅÌÁÔØ ÛÁÂÌÏÎ. á ×ÏÏÂÝÅ ÎÁÄÏ ÐÒÏÞÉÔÁÔØ ÐÒÏ ÐÁÔÔÅÒÎÙ
ÐÒÏÅËÔÉÒÏ×ÁÎÉÑ.

--
Best regards, | homepage: http://www.mindon.ne...
Oleg Grodzevich | e-mail: illinar@mindon.net | ICQ: 37500662

ntu-kpi.comp.programming

[?] ???????????? ?? ?++ ? ?????-????

Brigadir

WebAngel

Anton N. Breusov

Marchello

Brigadir

Oleg Grodzevich

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