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                         , m_Value()
  37                 {
  38                 }
  39
  40                 Nullable(T value)
  41                         : m_bNull(false)
  42                         , m_Value(value)
  43                 {
  44                 }
  45
  46                 operator T()
  47                 {
  48                         return m_Value;
  49                 }
  50
  51                 void operator = (T value)
  52                 {
  53                         m_bNull = false;
  54                         m_Value = value;
  55                 }
  56
  57                 void operator = (void *ptrnull)
  58                 {
  59                         if (ptrnull == nullptr)
  60                                 m_bNull = true;
  61                 }
  62
  63                 bool operator == (void* ptrnull)
  64                 {
  65                         return ptrnull == nullptr ? m_bNull : false;
  66                 }
  67
  68                 bool operator != (void* ptrnull)
  69                 {
  70                         return ptrnull == nullptr ? !m_bNull : false;
  71                 }
  72         };
  73
  74         Nullable<bool> m_bIndentStyle;
  75         Nullable<int> m_nIndentSize;
  76         Nullable<int> m_nTabWidth;
  77         Nullable<EOL> m_EndOfLine;
  78         Nullable<CFileTextLines::UnicodeType> m_Charset;
  79         Nullable<bool> m_bTrimTrailingWhitespace;
  80         Nullable<bool> m_bInsertFinalNewline;
  81 };