ScopedPtr.hxx

Go to the documentation of this file.

// Copyright 2022 Siemens Digital Industries Software
// ==================================================
// Copyright 2014.
// Siemens Product Lifecycle Management Software Inc.
// All Rights Reserved.
// ==================================================
// Copyright 2022 Siemens Digital Industries Software

#ifndef TEAMCENTER_BASE_UTILS_SCOPED_PTR_HXX
#define TEAMCENTER_BASE_UTILS_SCOPED_PTR_HXX

#include <base_utils/libbase_utils_exports.h>

namespace Teamcenter
{

template < class T > struct scoped_ptr_default_deallocator
{
    void operator() (T* bucket) const { delete bucket; }
};

template < class T, class F=scoped_ptr_default_deallocator< T >  > class scoped_ptr
{
public:

    explicit scoped_ptr( T* b = 0 ) : bucket( b ) {}

    virtual ~scoped_ptr() { F f; f( bucket ); }    /*  */

    scoped_ptr&  operator=( T *  ptr )  { F f; f( bucket ); bucket = ptr; return *this; }

    T** operator&() { bucket = 0; return &bucket; }
    T& operator*() const { return *bucket; }
    T* operator->() const { return bucket; }

    operator T*() const { return bucket; }
    /*  */

    T*& getReference() { return bucket; }

    T* get() const { return bucket; }

    const T* getString() const { static const T s_empty = T(); return bucket ? bucket : &s_empty; }

    T* release() { T* tmp = bucket; bucket = 0; return tmp; }

    bool operator == (const T* t) const { return bucket == t; }
    bool operator != (const T* t) const { return bucket != t; }

    bool operator! () const
    {
        return bucket == 0;
    }

protected:
    T* bucket;

private:
    scoped_ptr( const scoped_ptr& );
    scoped_ptr& operator = ( const scoped_ptr& );
};

extern BASE_UTILS_API void free_unpacked_SM_string_array ( char ** array );

struct StringArrayFreer
{
    void operator() ( char** bucket )                { free_unpacked_SM_string_array  ( bucket ); };
    void operator() ( const char** bucket )          { free_unpacked_SM_string_array  ( (char**) bucket ); };
};

}// end namespace Teamcenter

#include <base_utils/libbase_utils_undef.h>

#endif // TEAMCENTER_BASE_UTILS_SCOPED_PTR_HXX