/usr/include/xqilla/framework/ReferenceCounted.hpp is in libxqilla-dev 2.3.3-3build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 | /*
* Copyright (c) 2001, 2008,
* DecisionSoft Limited. All rights reserved.
* Copyright (c) 2004, 2015 Oracle and/or its affiliates. All rights reserved.
*
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _REFERENCECOUNTED_HPP
#define _REFERENCECOUNTED_HPP
#include <xqilla/framework/XQillaExport.hpp>
#include <xercesc/framework/MemoryManager.hpp>
// for null RefCountPointer instances
#define NULLRCP ((void *)0)
/** Super class for reference counted classes */
class XQILLA_API ReferenceCounted
{
public:
ReferenceCounted()
: _ref_count(0) {}
virtual ~ReferenceCounted() {}
/// Increment the reference count
void incrementRefCount() const
{
++const_cast<unsigned int&>(_ref_count);
}
/// Decrement the reference count, deleting if it becomes zero
virtual void decrementRefCount() const
{
if(--const_cast<unsigned int&>(_ref_count) == 0) {
delete this;
}
}
unsigned int getRefCount() const
{
return _ref_count;
}
protected:
unsigned int _ref_count; // mutable
};
/** Super class of all the reference counted wrappers for Items */
template<class T> class RefCountPointer
{
public:
RefCountPointer(T *p = 0) : _p(p)
{
if(_p != 0) _p->incrementRefCount();
}
template<class T2> RefCountPointer(const RefCountPointer<T2> &o) : _p((T*)(T2*)o)
{
if(_p != 0) _p->incrementRefCount();
}
RefCountPointer(const RefCountPointer<T> &o) : _p(o._p)
{
if(_p != 0) _p->incrementRefCount();
}
RefCountPointer &operator=(const RefCountPointer<T> &o)
{
if(_p != o._p) {
if(_p != 0) _p->decrementRefCount();
_p = o._p;
if(_p != 0) _p->incrementRefCount();
}
return *this;
}
~RefCountPointer()
{
if(_p != 0) _p->decrementRefCount();
}
T *operator->() const
{
return _p;
}
operator T*() const
{
return _p;
}
T *get() const
{
return _p;
}
bool isNull() const
{
return (_p == 0);
}
bool notNull() const
{
return (_p != 0);
}
protected:
T *_p;
};
template<class T1, class T2>
inline bool operator==(const RefCountPointer<T1> &a, const RefCountPointer<T2> &b)
{
return (void*)(T1*)a == (void*)(T2*)b;
}
template<class T1, class T2>
inline bool operator!=(const RefCountPointer<T1> &a, const RefCountPointer<T2> &b)
{
return (void*)(T1*)a != (void*)(T2*)b;
}
template<class T>
inline bool operator==(const RefCountPointer<T> &a, void *b)
{
return (T*)a == (T*)b;
}
template<class T>
inline bool operator!=(const RefCountPointer<T> &a, void *b)
{
return (T*)a != (T*)b;
}
#endif
|