sw/inc/nodeoffset.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
   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 #pragma once
  10
  11 #include <sal/config.h>
  12 #include "swdllapi.h"
  13 #include <o3tl/strong_int.hxx>
  14 #include <iostream>
  15
  16 typedef o3tl::strong_int<sal_Int32, struct Tag_SwNodeOffset> SwNodeOffset;
  17
  18 /* Just to make it easier to write arithmetic with these types */
  19 template <typename T>
  20 inline typename std::enable_if<std::is_signed<T>::value, SwNodeOffset>::type
  21 operator+(SwNodeOffset a, T n)
  22 {
  23     return a + SwNodeOffset(n);
  24 }
  25
  26 /* Just to make it easier to write arithmetic with these types */
  27 template <typename T>
  28 inline typename std::enable_if<std::is_signed<T>::value, SwNodeOffset>::type
  29 operator-(SwNodeOffset a, T n)
  30 {
  31     return a - SwNodeOffset(n);
  32 }
  33
  34 inline SwNodeOffset abs(const SwNodeOffset& a) { return a > SwNodeOffset(0) ? a : -a; }
  35 inline SwNodeOffset min(const SwNodeOffset& a, const SwNodeOffset& b) { return a > b ? a : b; }
  36
  37 constexpr SwNodeOffset NODE_OFFSET_MAX(SAL_MAX_INT32);
  38
  39 SW_DLLPUBLIC std::ostream& operator<<(std::ostream& s, const SwNodeOffset& index);
  40
  41 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */