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add release() method

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This commit is contained in:
dockes 2009-08-13 06:34:32 +00:00
parent 9b44f94629
commit 18a2454a03
1 changed files with 26 additions and 20 deletions
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46
src/utils/refcntr.h
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@ -7,37 +7,43 @@ template <class X> class RefCntr {
int *pcount;
public:
RefCntr()
: rep(0), pcount(0)
: rep(0), pcount(0)
{}
explicit RefCntr(X *pp)
: rep(pp), pcount(new int(1))
: rep(pp), pcount(new int(1))
{}
RefCntr(const RefCntr &r)
: rep(r.rep), pcount(r.pcount)
: rep(r.rep), pcount(r.pcount)
{
if (pcount)
(*pcount)++;
if (pcount)
(*pcount)++;
}
RefCntr& operator=(const RefCntr& r)
{
if (rep == r.rep)
return *this;
if (pcount && --(*pcount) == 0) {
delete rep;
delete pcount;
}
rep = r.rep;
pcount = r.pcount;
if (pcount)
(*pcount)++;
return *this;
if (rep == r.rep)
return *this;
if (pcount && --(*pcount) == 0) {
delete rep;
delete pcount;
}
rep = r.rep;
pcount = r.pcount;
if (pcount)
(*pcount)++;
return *this;
}
void release()
{
if (pcount && --(*pcount) == 0) {
delete rep;
delete pcount;
}
rep = 0;
pcount = 0;
}
~RefCntr()
{
if (pcount && --(*pcount) == 0) {
delete rep;
delete pcount;
}
release();
}
X *operator->() {return rep;}
X *getptr() const {return rep;}