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1// XrmDatabaseHelper.hh
2// Copyright (c) 2002 Henrik Kinnunen (fluxgen@linuxmail.org)
3//
4// Permission is hereby granted, free of charge, to any person obtaining a
5// copy of this software and associated documentation files (the "Software"),
6// to deal in the Software without restriction, including without limitation
7// the rights to use, copy, modify, merge, publish, distribute, sublicense,
8// and/or sell copies of the Software, and to permit persons to whom the
9// Software is furnished to do so, subject to the following conditions:
10//
11// The above copyright notice and this permission notice shall be included in
12// all copies or substantial portions of the Software.
13//
14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20// DEALINGS IN THE SOFTWARE.
21
22// This is a helper for XrmDatabase
23// when database goes out of scope
24// the XrmDatabase variable will be destroyed.
25
26#ifndef _XRMDATABASEHELPER_HH_
27#define _XRMDATABASEHELPER_HH_
28
29#include <X11/Xresource.h>
30
31class XrmDatabaseHelper
32{
33public:
34 XrmDatabaseHelper(char const * filename=0)
35 : m_database(filename == 0 ? 0 : XrmGetFileDatabase(filename))
36 { }
37
38 ~XrmDatabaseHelper() {
39 if (m_database!=0)
40 XrmDestroyDatabase(m_database);
41 }
42
43 XrmDatabaseHelper& operator=(const XrmDatabase& database) {
44 if (m_database!=0)
45 XrmDestroyDatabase(m_database);
46 m_database = database;
47 return *this;
48 }
49 bool operator == (const XrmDatabase& database) { return m_database == database; }
50 XrmDatabase & operator*(void) { return m_database; }
51
52private:
53 XrmDatabase m_database;
54};
55
56#endif //_XRMDATABASEHELPER_HH_