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https://github.com/pocoproject/poco.git
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set eol-style to native
This commit is contained in:
Guenter Obiltschnig
@@ -1,336 +1,336 @@
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//
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// AutoPtr.h
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//
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// $Id: //poco/1.2/Foundation/include/Poco/AutoPtr.h#2 $
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||||
//
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||||
// Library: Foundation
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||||
// Package: Core
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||||
// Module: AutoPtr
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||||
//
|
||||
// Definition of the AutoPtr template class.
|
||||
//
|
||||
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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||||
// and Contributors.
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person or organization
|
||||
// obtaining a copy of the software and accompanying documentation covered by
|
||||
// this license (the "Software") to use, reproduce, display, distribute,
|
||||
// execute, and transmit the Software, and to prepare derivative works of the
|
||||
// Software, and to permit third-parties to whom the Software is furnished to
|
||||
// do so, all subject to the following:
|
||||
//
|
||||
// The copyright notices in the Software and this entire statement, including
|
||||
// the above license grant, this restriction and the following disclaimer,
|
||||
// must be included in all copies of the Software, in whole or in part, and
|
||||
// all derivative works of the Software, unless such copies or derivative
|
||||
// works are solely in the form of machine-executable object code generated by
|
||||
// a source language processor.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
|
||||
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
|
||||
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
|
||||
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||
// DEALINGS IN THE SOFTWARE.
|
||||
//
|
||||
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||||
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||||
#ifndef Foundation_AutoPtr_INCLUDED
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#define Foundation_AutoPtr_INCLUDED
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||||
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||||
#include "Poco/Foundation.h"
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#include "Poco/Exception.h"
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#include <algorithm>
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namespace Poco {
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||||
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||||
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||||
template <class C>
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||||
class AutoPtr
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||||
/// AutoPtr is a "smart" pointer for classes implementing
|
||||
/// reference counting based garbage collection.
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||||
/// To be usable with the AutoPtr template, a class must
|
||||
/// implement the following behaviour:
|
||||
/// A class must maintain a reference count.
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||||
/// The constructors of the object initialize the reference
|
||||
/// count to one.
|
||||
/// The class must implement a public duplicate() method:
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||||
/// void duplicate();
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||||
/// that increments the reference count by one.
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||||
/// The class must implement a public release() method:
|
||||
/// void release()
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||||
/// that decrements the reference count by one, and,
|
||||
/// if the reference count reaches zero, deletes the
|
||||
/// object.
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///
|
||||
/// AutoPtr works in the following way:
|
||||
/// If an AutoPtr is assigned an ordinary pointer to
|
||||
/// an object (via the constructor or the assignment operator),
|
||||
/// it takes ownership of the object and the object's reference
|
||||
/// count remains unchanged.
|
||||
/// If the AutoPtr is assigned another AutoPtr, the
|
||||
/// object's reference count is incremented by one by
|
||||
/// calling duplicate() on its object.
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||||
/// The destructor of AutoPtr calls release() on its
|
||||
/// object.
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||||
/// AutoPtr supports dereferencing with both the ->
|
||||
/// and the * operator. An attempt to dereference a null
|
||||
/// AutoPtr results in a NullPointerException being thrown.
|
||||
/// AutoPtr also implements all relational operators.
|
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/// Note that AutoPtr allows casting of its encapsulated data types.
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||||
{
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public:
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AutoPtr(): _ptr(0)
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{
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}
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AutoPtr(C* ptr): _ptr(ptr)
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{
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||||
}
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AutoPtr(C* ptr, bool shared): _ptr(ptr)
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||||
{
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if (shared && _ptr) _ptr->duplicate();
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}
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AutoPtr(const AutoPtr& ptr): _ptr(ptr._ptr)
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{
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if (_ptr) _ptr->duplicate();
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}
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template <class Other>
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AutoPtr(const AutoPtr<Other>& ptr): _ptr(const_cast<Other*>(ptr.get()))
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{
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if (_ptr) _ptr->duplicate();
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}
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||||
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~AutoPtr()
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{
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if (_ptr) _ptr->release();
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}
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AutoPtr& operator = (C* ptr)
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||||
{
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if (_ptr != ptr)
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{
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if (_ptr) _ptr->release();
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_ptr = ptr;
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||||
}
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return *this;
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||||
}
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||||
|
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AutoPtr& operator = (const AutoPtr& ptr)
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||||
{
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||||
if (&ptr != this)
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||||
{
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||||
if (_ptr) _ptr->release();
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||||
_ptr = ptr._ptr;
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||||
if (_ptr) _ptr->duplicate();
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}
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||||
return *this;
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||||
}
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||||
|
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void swap(AutoPtr& ptr)
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{
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std::swap(_ptr, ptr._ptr);
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}
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template <class Other>
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AutoPtr& operator = (const AutoPtr<Other>& ptr)
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{
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if (ptr.get() != _ptr)
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||||
{
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if (_ptr) _ptr->release();
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_ptr = const_cast<Other*>(ptr.get());
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if (_ptr) _ptr->duplicate();
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}
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return *this;
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||||
}
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template <class Other>
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AutoPtr<Other> cast()
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/// Casts the AutoPtr via a dynamic cast to the given type.
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/// Returns an AutoPtr containing NULL if the cast fails.
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/// Example: (assume class Sub: public Super)
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/// AutoPtr<Super> super(new Sub());
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||||
/// AutoPtr<Sub> sub = super.cast<Sub>();
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/// poco_assert (sub.get());
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{
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Other* pOther = dynamic_cast <Other*>(_ptr);
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if (pOther)
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pOther->duplicate();
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return AutoPtr<Other>(pOther);
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||||
}
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||||
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C* operator -> ()
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||||
{
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||||
if (_ptr)
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||||
return _ptr;
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||||
else
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||||
throw NullPointerException();
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||||
}
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||||
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||||
const C* operator -> () const
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||||
{
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||||
if (_ptr)
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||||
return _ptr;
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||||
else
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||||
throw NullPointerException();
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||||
}
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||||
|
||||
C& operator * ()
|
||||
{
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||||
if (_ptr)
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||||
return *_ptr;
|
||||
else
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||||
throw NullPointerException();
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||||
}
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||||
|
||||
const C& operator * () const
|
||||
{
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||||
if (_ptr)
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||||
return *_ptr;
|
||||
else
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||||
throw NullPointerException();
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||||
}
|
||||
|
||||
C* get()
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||||
{
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||||
return _ptr;
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||||
}
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||||
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||||
bool isNull() const
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||||
{
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||||
return _ptr == 0;
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||||
}
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||||
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||||
operator C* ()
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||||
{
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return _ptr;
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||||
}
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||||
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||||
operator const C* () const
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||||
{
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||||
return _ptr;
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||||
}
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||||
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||||
const C* get() const
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||||
{
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||||
return _ptr;
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||||
}
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||||
|
||||
C* duplicate()
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||||
{
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||||
if (_ptr) _ptr->duplicate();
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return _ptr;
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||||
}
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||||
|
||||
bool operator == (const AutoPtr& ptr) const
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||||
{
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||||
return _ptr == ptr._ptr;
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||||
}
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bool operator == (const C* ptr) const
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||||
{
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||||
return _ptr == ptr;
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||||
}
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||||
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||||
bool operator == (C* ptr) const
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||||
{
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||||
return _ptr == ptr;
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||||
}
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||||
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||||
bool operator != (const AutoPtr& ptr) const
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||||
{
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||||
return _ptr != ptr._ptr;
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||||
}
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||||
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||||
bool operator != (const C* ptr) const
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||||
{
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||||
return _ptr != ptr;
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||||
}
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||||
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||||
bool operator != (C* ptr) const
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||||
{
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||||
return _ptr != ptr;
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||||
}
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||||
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||||
bool operator < (const AutoPtr& ptr) const
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||||
{
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||||
return _ptr < ptr._ptr;
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}
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bool operator < (const C* ptr) const
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||||
{
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||||
return _ptr < ptr;
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||||
}
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||||
|
||||
bool operator < (C* ptr) const
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||||
{
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||||
return _ptr < ptr;
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||||
}
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||||
|
||||
bool operator <= (const AutoPtr& ptr) const
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||||
{
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||||
return _ptr <= ptr._ptr;
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||||
}
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||||
|
||||
bool operator <= (const C* ptr) const
|
||||
{
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||||
return _ptr <= ptr;
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||||
}
|
||||
|
||||
bool operator <= (C* ptr) const
|
||||
{
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||||
return _ptr <= ptr;
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||||
}
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||||
|
||||
bool operator > (const AutoPtr& ptr) const
|
||||
{
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||||
return _ptr > ptr._ptr;
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||||
}
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||||
|
||||
bool operator > (const C* ptr) const
|
||||
{
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||||
return _ptr > ptr;
|
||||
}
|
||||
|
||||
bool operator > (C* ptr) const
|
||||
{
|
||||
return _ptr > ptr;
|
||||
}
|
||||
|
||||
bool operator >= (const AutoPtr& ptr) const
|
||||
{
|
||||
return _ptr >= ptr._ptr;
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||||
}
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||||
|
||||
bool operator >= (const C* ptr) const
|
||||
{
|
||||
return _ptr >= ptr;
|
||||
}
|
||||
|
||||
bool operator >= (C* ptr) const
|
||||
{
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||||
return _ptr >= ptr;
|
||||
}
|
||||
|
||||
private:
|
||||
C* _ptr;
|
||||
};
|
||||
|
||||
|
||||
template <class C>
|
||||
inline void swap(AutoPtr<C>& p1, AutoPtr<C>& p2)
|
||||
{
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||||
p1.swap(p2);
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||||
}
|
||||
|
||||
|
||||
} // namespace Poco
|
||||
|
||||
|
||||
#endif // Foundation_AutoPtr_INCLUDED
|
||||
//
|
||||
// AutoPtr.h
|
||||
//
|
||||
// $Id: //poco/1.2/Foundation/include/Poco/AutoPtr.h#2 $
|
||||
//
|
||||
// Library: Foundation
|
||||
// Package: Core
|
||||
// Module: AutoPtr
|
||||
//
|
||||
// Definition of the AutoPtr template class.
|
||||
//
|
||||
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
|
||||
// and Contributors.
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person or organization
|
||||
// obtaining a copy of the software and accompanying documentation covered by
|
||||
// this license (the "Software") to use, reproduce, display, distribute,
|
||||
// execute, and transmit the Software, and to prepare derivative works of the
|
||||
// Software, and to permit third-parties to whom the Software is furnished to
|
||||
// do so, all subject to the following:
|
||||
//
|
||||
// The copyright notices in the Software and this entire statement, including
|
||||
// the above license grant, this restriction and the following disclaimer,
|
||||
// must be included in all copies of the Software, in whole or in part, and
|
||||
// all derivative works of the Software, unless such copies or derivative
|
||||
// works are solely in the form of machine-executable object code generated by
|
||||
// a source language processor.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
|
||||
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
|
||||
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
|
||||
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||
// DEALINGS IN THE SOFTWARE.
|
||||
//
|
||||
|
||||
|
||||
#ifndef Foundation_AutoPtr_INCLUDED
|
||||
#define Foundation_AutoPtr_INCLUDED
|
||||
|
||||
|
||||
#include "Poco/Foundation.h"
|
||||
#include "Poco/Exception.h"
|
||||
#include <algorithm>
|
||||
|
||||
|
||||
namespace Poco {
|
||||
|
||||
|
||||
template <class C>
|
||||
class AutoPtr
|
||||
/// AutoPtr is a "smart" pointer for classes implementing
|
||||
/// reference counting based garbage collection.
|
||||
/// To be usable with the AutoPtr template, a class must
|
||||
/// implement the following behaviour:
|
||||
/// A class must maintain a reference count.
|
||||
/// The constructors of the object initialize the reference
|
||||
/// count to one.
|
||||
/// The class must implement a public duplicate() method:
|
||||
/// void duplicate();
|
||||
/// that increments the reference count by one.
|
||||
/// The class must implement a public release() method:
|
||||
/// void release()
|
||||
/// that decrements the reference count by one, and,
|
||||
/// if the reference count reaches zero, deletes the
|
||||
/// object.
|
||||
///
|
||||
/// AutoPtr works in the following way:
|
||||
/// If an AutoPtr is assigned an ordinary pointer to
|
||||
/// an object (via the constructor or the assignment operator),
|
||||
/// it takes ownership of the object and the object's reference
|
||||
/// count remains unchanged.
|
||||
/// If the AutoPtr is assigned another AutoPtr, the
|
||||
/// object's reference count is incremented by one by
|
||||
/// calling duplicate() on its object.
|
||||
/// The destructor of AutoPtr calls release() on its
|
||||
/// object.
|
||||
/// AutoPtr supports dereferencing with both the ->
|
||||
/// and the * operator. An attempt to dereference a null
|
||||
/// AutoPtr results in a NullPointerException being thrown.
|
||||
/// AutoPtr also implements all relational operators.
|
||||
/// Note that AutoPtr allows casting of its encapsulated data types.
|
||||
{
|
||||
public:
|
||||
AutoPtr(): _ptr(0)
|
||||
{
|
||||
}
|
||||
|
||||
AutoPtr(C* ptr): _ptr(ptr)
|
||||
{
|
||||
}
|
||||
|
||||
AutoPtr(C* ptr, bool shared): _ptr(ptr)
|
||||
{
|
||||
if (shared && _ptr) _ptr->duplicate();
|
||||
}
|
||||
|
||||
AutoPtr(const AutoPtr& ptr): _ptr(ptr._ptr)
|
||||
{
|
||||
if (_ptr) _ptr->duplicate();
|
||||
}
|
||||
|
||||
template <class Other>
|
||||
AutoPtr(const AutoPtr<Other>& ptr): _ptr(const_cast<Other*>(ptr.get()))
|
||||
{
|
||||
if (_ptr) _ptr->duplicate();
|
||||
}
|
||||
|
||||
~AutoPtr()
|
||||
{
|
||||
if (_ptr) _ptr->release();
|
||||
}
|
||||
|
||||
AutoPtr& operator = (C* ptr)
|
||||
{
|
||||
if (_ptr != ptr)
|
||||
{
|
||||
if (_ptr) _ptr->release();
|
||||
_ptr = ptr;
|
||||
}
|
||||
return *this;
|
||||
}
|
||||
|
||||
AutoPtr& operator = (const AutoPtr& ptr)
|
||||
{
|
||||
if (&ptr != this)
|
||||
{
|
||||
if (_ptr) _ptr->release();
|
||||
_ptr = ptr._ptr;
|
||||
if (_ptr) _ptr->duplicate();
|
||||
}
|
||||
return *this;
|
||||
}
|
||||
|
||||
void swap(AutoPtr& ptr)
|
||||
{
|
||||
std::swap(_ptr, ptr._ptr);
|
||||
}
|
||||
|
||||
template <class Other>
|
||||
AutoPtr& operator = (const AutoPtr<Other>& ptr)
|
||||
{
|
||||
if (ptr.get() != _ptr)
|
||||
{
|
||||
if (_ptr) _ptr->release();
|
||||
_ptr = const_cast<Other*>(ptr.get());
|
||||
if (_ptr) _ptr->duplicate();
|
||||
}
|
||||
return *this;
|
||||
}
|
||||
|
||||
template <class Other>
|
||||
AutoPtr<Other> cast()
|
||||
/// Casts the AutoPtr via a dynamic cast to the given type.
|
||||
/// Returns an AutoPtr containing NULL if the cast fails.
|
||||
/// Example: (assume class Sub: public Super)
|
||||
/// AutoPtr<Super> super(new Sub());
|
||||
/// AutoPtr<Sub> sub = super.cast<Sub>();
|
||||
/// poco_assert (sub.get());
|
||||
{
|
||||
Other* pOther = dynamic_cast <Other*>(_ptr);
|
||||
if (pOther)
|
||||
pOther->duplicate();
|
||||
return AutoPtr<Other>(pOther);
|
||||
}
|
||||
|
||||
C* operator -> ()
|
||||
{
|
||||
if (_ptr)
|
||||
return _ptr;
|
||||
else
|
||||
throw NullPointerException();
|
||||
}
|
||||
|
||||
const C* operator -> () const
|
||||
{
|
||||
if (_ptr)
|
||||
return _ptr;
|
||||
else
|
||||
throw NullPointerException();
|
||||
}
|
||||
|
||||
C& operator * ()
|
||||
{
|
||||
if (_ptr)
|
||||
return *_ptr;
|
||||
else
|
||||
throw NullPointerException();
|
||||
}
|
||||
|
||||
const C& operator * () const
|
||||
{
|
||||
if (_ptr)
|
||||
return *_ptr;
|
||||
else
|
||||
throw NullPointerException();
|
||||
}
|
||||
|
||||
C* get()
|
||||
{
|
||||
return _ptr;
|
||||
}
|
||||
|
||||
bool isNull() const
|
||||
{
|
||||
return _ptr == 0;
|
||||
}
|
||||
|
||||
operator C* ()
|
||||
{
|
||||
return _ptr;
|
||||
}
|
||||
|
||||
operator const C* () const
|
||||
{
|
||||
return _ptr;
|
||||
}
|
||||
|
||||
const C* get() const
|
||||
{
|
||||
return _ptr;
|
||||
}
|
||||
|
||||
C* duplicate()
|
||||
{
|
||||
if (_ptr) _ptr->duplicate();
|
||||
return _ptr;
|
||||
}
|
||||
|
||||
bool operator == (const AutoPtr& ptr) const
|
||||
{
|
||||
return _ptr == ptr._ptr;
|
||||
}
|
||||
|
||||
bool operator == (const C* ptr) const
|
||||
{
|
||||
return _ptr == ptr;
|
||||
}
|
||||
|
||||
bool operator == (C* ptr) const
|
||||
{
|
||||
return _ptr == ptr;
|
||||
}
|
||||
|
||||
bool operator != (const AutoPtr& ptr) const
|
||||
{
|
||||
return _ptr != ptr._ptr;
|
||||
}
|
||||
|
||||
bool operator != (const C* ptr) const
|
||||
{
|
||||
return _ptr != ptr;
|
||||
}
|
||||
|
||||
bool operator != (C* ptr) const
|
||||
{
|
||||
return _ptr != ptr;
|
||||
}
|
||||
|
||||
bool operator < (const AutoPtr& ptr) const
|
||||
{
|
||||
return _ptr < ptr._ptr;
|
||||
}
|
||||
|
||||
bool operator < (const C* ptr) const
|
||||
{
|
||||
return _ptr < ptr;
|
||||
}
|
||||
|
||||
bool operator < (C* ptr) const
|
||||
{
|
||||
return _ptr < ptr;
|
||||
}
|
||||
|
||||
bool operator <= (const AutoPtr& ptr) const
|
||||
{
|
||||
return _ptr <= ptr._ptr;
|
||||
}
|
||||
|
||||
bool operator <= (const C* ptr) const
|
||||
{
|
||||
return _ptr <= ptr;
|
||||
}
|
||||
|
||||
bool operator <= (C* ptr) const
|
||||
{
|
||||
return _ptr <= ptr;
|
||||
}
|
||||
|
||||
bool operator > (const AutoPtr& ptr) const
|
||||
{
|
||||
return _ptr > ptr._ptr;
|
||||
}
|
||||
|
||||
bool operator > (const C* ptr) const
|
||||
{
|
||||
return _ptr > ptr;
|
||||
}
|
||||
|
||||
bool operator > (C* ptr) const
|
||||
{
|
||||
return _ptr > ptr;
|
||||
}
|
||||
|
||||
bool operator >= (const AutoPtr& ptr) const
|
||||
{
|
||||
return _ptr >= ptr._ptr;
|
||||
}
|
||||
|
||||
bool operator >= (const C* ptr) const
|
||||
{
|
||||
return _ptr >= ptr;
|
||||
}
|
||||
|
||||
bool operator >= (C* ptr) const
|
||||
{
|
||||
return _ptr >= ptr;
|
||||
}
|
||||
|
||||
private:
|
||||
C* _ptr;
|
||||
};
|
||||
|
||||
|
||||
template <class C>
|
||||
inline void swap(AutoPtr<C>& p1, AutoPtr<C>& p2)
|
||||
{
|
||||
p1.swap(p2);
|
||||
}
|
||||
|
||||
|
||||
} // namespace Poco
|
||||
|
||||
|
||||
#endif // Foundation_AutoPtr_INCLUDED
|
||||
|
||||
Reference in New Issue
Block a user