configmgr/source/config_map.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9 #ifndef CONFIG_MAP_HXX
  10 #define CONFIG_MAP_HXX
  11
  12 #include <map>
  13 #include <rtl/ustring.hxx>
  14
  15 // The realisation here is that while a map is a reasonably compact
  16 // representation, there is often no need to have it completely
  17 // sorted, so we can use a fast in-line length comparison as the
  18 // initial compare, rather than sorting of sub string contents.
  19
  20 struct LengthContentsCompare
  21 {
  22     bool operator()(const OUString& a, const OUString& b) const
  23     {
  24         if (a.getLength() == b.getLength())
  25             return a < b;
  26         else
  27             return a.getLength() < b.getLength();
  28     }
  29 };
  30
  31 template <class T> struct config_map : public std::map<OUString, T, LengthContentsCompare>
  32 {
  33 };
  34
  35 #endif // CONFIG_MAP_HXX
  36
  37 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */