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Diffstat (limited to 'apt-pkg/contrib/sptr.h')
-rw-r--r-- | apt-pkg/contrib/sptr.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/apt-pkg/contrib/sptr.h b/apt-pkg/contrib/sptr.h new file mode 100644 index 000000000..a9347edf9 --- /dev/null +++ b/apt-pkg/contrib/sptr.h @@ -0,0 +1,66 @@ +// -*- mode: cpp; mode: fold -*- +// Description /*{{{*/ +// $Id: sptr.h,v 1.2 2001/02/20 07:03:17 jgg Exp $ +/* ###################################################################### + + Trivial non-ref counted 'smart pointer' + + This is really only good to eliminate + { + delete Foo; + return; + } + + Blocks from functions. + + I think G++ has become good enough that doing this won't have much + code size implications. + + ##################################################################### */ + /*}}}*/ +#ifndef SMART_POINTER_H +#define SMART_POINTER_H + +template <class T> +class SPtr +{ + public: + T *Ptr; + + inline T *operator ->() {return Ptr;}; + inline T &operator *() {return *Ptr;}; + inline operator T *() {return Ptr;}; + inline operator void *() {return Ptr;}; + inline T *UnGuard() {T *Tmp = Ptr; Ptr = 0; return Tmp;}; + inline void operator =(T *N) {Ptr = N;}; + inline bool operator ==(T *lhs) const {return Ptr == lhs;}; + inline bool operator !=(T *lhs) const {return Ptr != lhs;}; + inline T*Get() {return Ptr;}; + + inline SPtr(T *Ptr) : Ptr(Ptr) {}; + inline SPtr() : Ptr(0) {}; + inline ~SPtr() {delete Ptr;}; +}; + +template <class T> +class SPtrArray +{ + public: + T *Ptr; + + inline T &operator *() {return *Ptr;}; + inline operator T *() {return Ptr;}; + inline operator void *() {return Ptr;}; + inline T *UnGuard() {T *Tmp = Ptr; Ptr = 0; return Tmp;}; + inline T &operator [](signed long I) {return Ptr[I];}; + inline void operator =(T *N) {Ptr = N;}; + inline bool operator ==(T *lhs) const {return Ptr == lhs;}; + inline bool operator !=(T *lhs) const {return Ptr != lhs;}; + inline T*Get() {return Ptr;}; + + inline SPtrArray(T *Ptr) : Ptr(Ptr) {}; + inline SPtrArray() : Ptr(0) {}; + inline ~SPtrArray() {delete []Ptr;}; +}; + +#endif |