X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/23324ae1c7938ba904770fc456d3c07764b9c5e9..6cef0db28018fd2644ee4e38af715872e5242459:/interface/ptr_scpd.h diff --git a/interface/ptr_scpd.h b/interface/ptr_scpd.h index 8264b0f116..830ede02a3 100644 --- a/interface/ptr_scpd.h +++ b/interface/ptr_scpd.h @@ -1,6 +1,6 @@ ///////////////////////////////////////////////////////////////////////////// // Name: ptr_scpd.h -// Purpose: documentation for wxScopedPtr class +// Purpose: interface of wxScopedPtr // Author: wxWidgets team // RCS-ID: $Id$ // Licence: wxWindows license @@ -9,34 +9,33 @@ /** @class wxScopedPtr @wxheader{ptr_scpd.h} - - This is a simple scoped smart pointer implementation that is similar to + + This is a simple scoped smart pointer implementation that is similar to the Boost smart pointers but rewritten to use macros instead. - + Since wxWidgets 2.9.0 there is also a templated version of this class - with the same name. See wxScopedPtrT. - + with the same name. See wxScopedPtrT(). + A smart pointer holds a pointer to an object. The memory used by the object is deleted when the smart pointer goes out of scope. This class is different from the @c std::auto_ptr in so far as it doesn't provide copy constructor nor assignment operator. This limits what you can do with it but is much less surprizing than the "destructive copy'' behaviour of the standard class. - + @library{wxbase} @category{FIXME} - - @seealso - wxScopedArray + + @see wxScopedArray */ -class wxScopedPtr +class wxScopedPtr { public: /** Creates the smart pointer with the given pointer or none if @NULL. On compilers that support it, this uses the explicit keyword. */ - explicit wxScopedPtr(type T = @NULL); + explicit wxScopedPtr(type T = NULL); /** Destructor frees the pointer help by this object if it is not @NULL. @@ -63,49 +62,49 @@ public: const T* operator -(); /** - Returns the currently hold pointer and resets the smart pointer object to + Returns the currently hold pointer and resets the smart pointer object to @NULL. After a call to this function the caller is responsible for deleting the pointer. */ - T * release(); + T* release(); /** - Deletes the currently held pointer and sets it to @e p or to @NULL if no + Deletes the currently held pointer and sets it to @a p or to @NULL if no arguments are specified. This function does check to make sure that the pointer you are assigning is not the same pointer that is already stored. */ - reset(T p = @NULL); + reset(T p = NULL); /** Swap the pointer inside the smart pointer with @e other. The pointer being swapped must be of the same type (hence the same class name). */ - swap(wxScopedPtr amp; other); + swap(wxScopedPtr amp; other); }; + /** @class wxScopedArray @wxheader{ptr_scpd.h} - - This is a simple scoped smart pointer array implementation that is similar to + + This is a simple scoped smart pointer array implementation that is similar to the Boost smart pointers but rewritten to use macros instead. - + @library{wxbase} @category{FIXME} - - @seealso - wxScopedPtr + + @see wxScopedPtr */ -class wxScopedArray +class wxScopedArray { public: /** Creates the smart pointer with the given pointer or none if @NULL. On compilers that support it, this uses the explicit keyword. */ - wxScopedArray(type T = @NULL); + wxScopedArray(type T = NULL); /** This operator gets the pointer stored in the smart pointer or returns @NULL if @@ -120,24 +119,25 @@ public: const T operator [](long int i); /** - Deletes the currently held pointer and sets it to 'p' or to @NULL if no + Deletes the currently held pointer and sets it to 'p' or to @NULL if no arguments are specified. This function does check to make sure that the pointer you are assigning is not the same pointer that is already stored. */ - reset(T p = @NULL); + reset(T p = NULL); /** Swap the pointer inside the smart pointer with 'ot'. The pointer being swapped must be of the same type (hence the same class name). */ - swap(wxScopedPtr amp; ot); + swap(wxScopedPtr amp; ot); }; + /** @class wxScopedTiedPtr @wxheader{ptr_scpd.h} - + This is a variation on the topic of wxScopedPtr. This class is also a smart pointer but in addition it "ties'' the pointer value to another variable. In other words, during the life time of this class the value @@ -145,53 +145,52 @@ public: it is reset to its old value when the object is destroyed. This class is especially useful when converting the existing code (which may already store the pointers value in some variable) to the smart pointers. - + @library{wxbase} @category{FIXME} */ -class wxScopedTiedPtr +class wxScopedTiedPtr { public: /** - Constructor creates a smart pointer initialized with @e ptr and stores - @e ptr in the location specified by @e ppTie which must not be + Constructor creates a smart pointer initialized with @a ptr and stores + @a ptr in the location specified by @a ppTie which must not be @NULL. */ - wxScopedTiedPtr(T ** ppTie, T * ptr); + wxScopedTiedPtr(T** ppTie, T* ptr); /** Destructor frees the pointer help by this object and restores the value stored at the tied location (as specified in the @ref ctor() constructor) to the old value. - Warning: this location may now contain an uninitialized value if it hadn't been - initialized previously, in particular don't count on it magically being + initialized previously, in particular don't count on it magically being @NULL! */ ~wxScopedTiedPtr(); }; + /** @class wxScopedPtrT @wxheader{ptr_scpd.h} - + A scoped pointer template class. It is the template version of the old-style @ref overview_wxscopedptr "scoped pointer macros". - + @library{wxbase} @category{FIXME} - - @seealso - wxSharedPtr, wxWeakRef + + @see wxSharedPtr, wxWeakRef */ -class wxScopedPtr +class wxScopedPtr { public: /** Constructor. */ - wxScopedPtrT(T * ptr = @NULL); + wxScopedPtrT(T* ptr = NULL); /** Destructor. @@ -201,27 +200,27 @@ public: /** Returns pointer to object or @NULL. */ - T * get(); + T* get() const; /** - Conversion to a boolean expression (in a variant which is not + Conversion to a boolean expression (in a variant which is not convertable to anything but a boolean expression). If this class contains a valid pointer it will return @e @true, if it contains a @NULL pointer it will return @e @false. */ - operator unspecified_bool_type(); + operator unspecified_bool_type() const; /** Returns a reference to the object. If the internal pointer is @NULL this method will cause an assert in debug mode. */ - T operator*(); + T operator*() const; /** - Returns pointer to object. If the pointer is @NULL this method will + Returns pointer to object. If the pointer is @NULL this method will cause an assert in debug mode. */ - T * operator-(); + T* operator-() const; /** Releases the current pointer and returns it. @@ -234,10 +233,11 @@ public: Reset pointer to the value of @e ptr. The previous pointer will be deleted. */ - void reset(T * ptr = @NULL); + void reset(T* ptr = NULL); /** Swaps pointers. */ - void swap(wxScopedPtr & ot); + void swap(wxScopedPtr& ot); }; +