OGRE  1.9.0
OgreNameGenerator.h
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1/*
2-----------------------------------------------------------------------------
3This source file is part of OGRE
4 (Object-oriented Graphics Rendering Engine)
5For the latest info, see http://www.ogre3d.org/
6
7Copyright (c) 2000-2014 Torus Knot Software Ltd
8
9Permission is hereby granted, free of charge, to any person obtaining a copy
10of this software and associated documentation files (the "Software"), to deal
11in the Software without restriction, including without limitation the rights
12to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13copies of the Software, and to permit persons to whom the Software is
14furnished to do so, subject to the following conditions:
15
16The above copyright notice and this permission notice shall be included in
17all copies or substantial portions of the Software.
18
19THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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25THE SOFTWARE.
26-----------------------------------------------------------------------------
27*/
28#ifndef __NameGenerator_H__
29#define __NameGenerator_H__
30
31#include "OgreString.h"
32
33#if defined ( OGRE_GCC_VISIBILITY )
34# pragma GCC visibility push(default)
35#endif
36
37#include <sstream>
38
39#if defined ( OGRE_GCC_VISIBILITY )
40# pragma GCC visibility pop
41#endif
42
43#include "OgreHeaderPrefix.h"
44
46
47namespace Ogre {
57 {
58 protected:
60 unsigned long long int mNext;
62 public:
64 : mPrefix(rhs.mPrefix), mNext(rhs.mNext) {}
65
66 NameGenerator(const String& prefix) : mPrefix(prefix), mNext(1) {}
67
70 {
73 s << mPrefix << mNext++;
74 return s.str();
75 }
76
78 void reset()
79 {
81 mNext = 1ULL;
82 }
83
85 void setNext(unsigned long long int val)
86 {
88 mNext = val;
89 }
90
92 unsigned long long int getNext() const
93 {
94 // lock even on get because 64-bit may not be atomic read
96 return mNext;
97 }
98 };
99
102}
103
104#include "OgreHeaderSuffix.h"
105
106#endif
#define _OgreExport
#define OGRE_LOCK_AUTO_MUTEX
Utility class to generate a sequentially numbered series of names.
unsigned long long int mNext
void reset()
Reset the internal counter.
void setNext(unsigned long long int val)
Manually set the internal counter (use caution)
NameGenerator(const NameGenerator &rhs)
NameGenerator(const String &prefix)
unsigned long long int getNext() const
Get the internal counter.
String generate()
Generate a new name.
Reference-counted shared pointer, used for objects where implicit destruction is required.
_StringStreamBase StringStream
_StringBase String