• Skip to content
  • Skip to link menu
  • KDE API Reference
  • kdelibs-4.14.38 API Reference
  • KDE Home
  • Contact Us
 

WTF

  • kjs
  • wtf
OwnArrayPtr.h
Go to the documentation of this file.
1// -*- mode: c++; c-basic-offset: 4 -*-
2/*
3 * Copyright (C) 2006 Apple Computer, Inc.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB. If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 *
20 */
21
22#ifndef WTF_OwnArrayPtr_h
23#define WTF_OwnArrayPtr_h
24
25#include <algorithm>
26#include "Assertions.h"
27#include "Noncopyable.h"
28
29namespace WTF {
30
31 template <typename T> class OwnArrayPtr : Noncopyable {
32 public:
33 explicit OwnArrayPtr(T* ptr = 0) : m_ptr(ptr) { }
34 ~OwnArrayPtr() { safeDelete(); }
35
36 T* get() const { return m_ptr; }
37 T* release() { T* ptr = m_ptr; m_ptr = 0; return ptr; }
38
39 void set(T* ptr) { ASSERT(m_ptr != ptr); safeDelete(); m_ptr = ptr; }
40 void clear() { safeDelete(); m_ptr = 0; }
41
42 T& operator*() const { ASSERT(m_ptr); return *m_ptr; }
43 T* operator->() const { ASSERT(m_ptr); return m_ptr; }
44
45 T& operator[](std::ptrdiff_t i) const { ASSERT(m_ptr); ASSERT(i >= 0); return m_ptr[i]; }
46
47 bool operator!() const { return !m_ptr; }
48
49 // This conversion operator allows implicit conversion to bool but not to other integer types.
50 typedef T* (OwnArrayPtr::*UnspecifiedBoolType)() const;
51 operator UnspecifiedBoolType() const { return m_ptr ? &OwnArrayPtr::get : 0; }
52
53 void swap(OwnArrayPtr& o) { std::swap(m_ptr, o.m_ptr); }
54
55 private:
56 void safeDelete() { typedef char known[sizeof(T) ? 1 : -1]; if (sizeof(known)) delete [] m_ptr; }
57
58 T* m_ptr;
59 };
60
61 template <typename T> inline void swap(OwnArrayPtr<T>& a, OwnArrayPtr<T>& b) { a.swap(b); }
62
63} // namespace WTF
64
65using WTF::OwnArrayPtr;
66
67#endif // WTF_OwnArrayPtr_h
Assertions.h
ASSERT
#define ASSERT(x)
Definition: Assertions.h:33
Noncopyable.h
WTFNoncopyable::Noncopyable
Definition: Noncopyable.h:32
WTF::OwnArrayPtr
Definition: OwnArrayPtr.h:31
WTF::OwnArrayPtr::UnspecifiedBoolType
T *(OwnArrayPtr::* UnspecifiedBoolType)() const
Definition: OwnArrayPtr.h:50
WTF::OwnArrayPtr::~OwnArrayPtr
~OwnArrayPtr()
Definition: OwnArrayPtr.h:34
WTF::OwnArrayPtr::OwnArrayPtr
OwnArrayPtr(T *ptr=0)
Definition: OwnArrayPtr.h:33
WTF::OwnArrayPtr::swap
void swap(OwnArrayPtr &o)
Definition: OwnArrayPtr.h:53
WTF::OwnArrayPtr::clear
void clear()
Definition: OwnArrayPtr.h:40
WTF::OwnArrayPtr::set
void set(T *ptr)
Definition: OwnArrayPtr.h:39
WTF::OwnArrayPtr::operator!
bool operator!() const
Definition: OwnArrayPtr.h:47
WTF::OwnArrayPtr::release
T * release()
Definition: OwnArrayPtr.h:37
WTF::OwnArrayPtr::operator->
T * operator->() const
Definition: OwnArrayPtr.h:43
WTF::OwnArrayPtr::get
T * get() const
Definition: OwnArrayPtr.h:36
WTF::OwnArrayPtr::operator*
T & operator*() const
Definition: OwnArrayPtr.h:42
WTF::OwnArrayPtr::operator[]
T & operator[](std::ptrdiff_t i) const
Definition: OwnArrayPtr.h:45
WTF
Definition: ASCIICType.h:45
WTF::swap
void swap(OwnArrayPtr< T > &a, OwnArrayPtr< T > &b)
Definition: OwnArrayPtr.h:61
This file is part of the KDE documentation.
Documentation copyright © 1996-2023 The KDE developers.
Generated on Mon Feb 20 2023 00:00:00 by doxygen 1.9.6 written by Dimitri van Heesch, © 1997-2006

KDE's Doxygen guidelines are available online.

WTF

Skip menu "WTF"
  • Main Page
  • Namespace List
  • Namespace Members
  • Alphabetical List
  • Class List
  • Class Hierarchy
  • Class Members
  • File List
  • File Members
  • Related Pages

kdelibs-4.14.38 API Reference

Skip menu "kdelibs-4.14.38 API Reference"
  • DNSSD
  • Interfaces
  •   KHexEdit
  •   KMediaPlayer
  •   KSpeech
  •   KTextEditor
  • kconf_update
  • KDE3Support
  •   KUnitTest
  • KDECore
  • KDED
  • KDEsu
  • KDEUI
  • KDEWebKit
  • KDocTools
  • KFile
  • KHTML
  • KImgIO
  • KInit
  • kio
  • KIOSlave
  • KJS
  •   KJS-API
  •   WTF
  • kjsembed
  • KNewStuff
  • KParts
  • KPty
  • Kross
  • KUnitConversion
  • KUtils
  • Nepomuk
  • Plasma
  • Solid
  • Sonnet
  • ThreadWeaver
Report problems with this website to our bug tracking system.
Contact the specific authors with questions and comments about the page contents.

KDE® and the K Desktop Environment® logo are registered trademarks of KDE e.V. | Legal