From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- ipc/chromium/src/base/scoped_cftyperef.h | 68 ++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 ipc/chromium/src/base/scoped_cftyperef.h (limited to 'ipc/chromium/src/base/scoped_cftyperef.h') diff --git a/ipc/chromium/src/base/scoped_cftyperef.h b/ipc/chromium/src/base/scoped_cftyperef.h new file mode 100644 index 0000000000..9cd3cfa967 --- /dev/null +++ b/ipc/chromium/src/base/scoped_cftyperef.h @@ -0,0 +1,68 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef BASE_SCOPED_CFTYPEREF_H_ +#define BASE_SCOPED_CFTYPEREF_H_ + +#include +#include "base/basictypes.h" + +// scoped_cftyperef<> is patterned after scoped_ptr<>, but maintains ownership +// of a CoreFoundation object: any object that can be represented as a +// CFTypeRef. Style deviations here are solely for compatibility with +// scoped_ptr<>'s interface, with which everyone is already familiar. +// +// When scoped_cftyperef<> takes ownership of an object (in the constructor or +// in reset()), it takes over the caller's existing ownership claim. The +// caller must own the object it gives to scoped_cftyperef<>, and relinquishes +// an ownership claim to that object. scoped_cftyperef<> does not call +// CFRetain(). +template +class scoped_cftyperef { + public: + typedef CFT element_type; + + explicit scoped_cftyperef(CFT object = NULL) : object_(object) {} + + ~scoped_cftyperef() { + if (object_) CFRelease(object_); + } + + void reset(CFT object = NULL) { + if (object_) CFRelease(object_); + object_ = object; + } + + bool operator==(CFT that) const { return object_ == that; } + + bool operator!=(CFT that) const { return object_ != that; } + + operator CFT() const { return object_; } + + CFT get() const { return object_; } + + void swap(scoped_cftyperef& that) { + CFT temp = that.object_; + that.object_ = object_; + object_ = temp; + } + + // scoped_cftyperef<>::release() is like scoped_ptr<>::release. It is NOT + // a wrapper for CFRelease(). To force a scoped_cftyperef<> object to call + // CFRelease(), use scoped_cftyperef<>::reset(). + CFT release() { + CFT temp = object_; + object_ = NULL; + return temp; + } + + private: + CFT object_; + + DISALLOW_COPY_AND_ASSIGN(scoped_cftyperef); +}; + +#endif // BASE_SCOPED_CFTYPEREF_H_ -- cgit v1.2.3