src/TortoiseMerge/EditorConfigWrapper.h

   1 // TortoiseGitMerge - a Diff/Patch program
   2
   3 // Copyright (C) 2014 - TortoiseSVN
   4
   5 // This program is free software; you can redistribute it and/or
   6 // modify it under the terms of the GNU General Public License
   7 // as published by the Free Software Foundation; either version 2
   8 // of the License, or (at your option) any later version.
   9
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14
  15 // You should have received a copy of the GNU General Public License
  16 // along with this program; if not, write to the Free Software Foundation,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19
  20 #pragma once
  21 #include "FileTextLines.h"
  22
  23 class CEditorConfigWrapper
  24 {
  25 public:
  26         bool Load(CString filename);
  27
  28         template <typename T> class Nullable
  29         {
  30                 T m_Value;
  31                 bool m_bNull;
  32
  33         public:
  34                 Nullable()
  35                         : m_bNull(true)
  36                 {
  37                 }
  38
  39                 Nullable(T value)
  40                         : m_bNull(false)
  41                         , m_Value(value)
  42                 {
  43                 }
  44
  45                 operator T()
  46                 {
  47                         return m_Value;
  48                 }
  49
  50                 void operator = (T value)
  51                 {
  52                         m_bNull = false;
  53                         m_Value = value;
  54                 }
  55
  56                 void operator = (void *ptrnull)
  57                 {
  58                         if (ptrnull == nullptr)
  59                                 m_bNull = true;
  60                 }
  61
  62                 bool operator == (void* ptrnull)
  63                 {
  64                         return ptrnull == nullptr ? m_bNull : false;
  65                 }
  66
  67                 bool operator != (void* ptrnull)
  68                 {
  69                         return ptrnull == nullptr ? !m_bNull : false;
  70                 }
  71         };
  72
  73         Nullable<bool> m_bIndentStyle;
  74         Nullable<int> m_nIndentSize;
  75         Nullable<int> m_nTabWidth;
  76         Nullable<EOL> m_EndOfLine;
  77         Nullable<CFileTextLines::UnicodeType> m_Charset;
  78         Nullable<bool> m_bTrimTrailingWhitespace;
  79         Nullable<bool> m_bInsertFinalNewline;
  80 };