src/Git/gittype.h

   1 // TortoiseGit - a Windows shell extension for easy version control
   2
   3 // Copyright (C) 2008-2017, 2019-2021 - TortoiseGit
   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 "GitHash.h"
  22 #include <unordered_map>
  23
  24 enum
  25 {
  26         TGIT_GIT_SUCCESS=0,
  27         TGIT_GIT_ERROR_OPEN_PIP,
  28         TGIT_GIT_ERROR_CREATE_PROCESS,
  29         TGIT_GIT_ERROR_GET_EXIT_CODE
  30 };
  31
  32 class CGitByteArray:public std::vector<BYTE>
  33 {
  34 public:
  35         size_t find(BYTE data, size_t start = 0) const
  36         {
  37                 for (size_t i = start, end = size(); i < end; ++i)
  38                         if ((*this)[i] == data)
  39                                 return i;
  40                 return npos;
  41         }
  42         size_t RevertFind(BYTE data, size_t start = npos) const
  43         {
  44                 if (start == npos)
  45                 {
  46                         if (empty())
  47                                 return npos;
  48                         start = size() - 1;
  49                 }
  50
  51                 for (size_t i = start + 1; i-- > 0;)
  52                         if ((*this)[i] == data)
  53                                 return i;
  54                 return npos;
  55         }
  56         size_t findNextString(size_t start = 0) const
  57         {
  58                 size_t pos = start;
  59                 size_t end = size();
  60                 do
  61                 {
  62                         pos=find(0,pos);
  63                         if(pos != npos)
  64                                 ++pos;
  65                         else
  66                                 break;
  67
  68                         if (pos >= end)
  69                                 return npos;
  70
  71                 }while(at(pos)==0);
  72
  73                 return pos;
  74         }
  75         size_t append(std::vector<BYTE> &v, size_t start = 0, size_t end = npos)
  76         {
  77                 if (end == npos)
  78                         end = v.size();
  79                 for (size_t i = start; i < end; ++i)
  80                         this->push_back(v[i]);
  81                 return 0;
  82         }
  83         void append(const BYTE* data, size_t dataSize)
  84         {
  85                 if (dataSize == 0)
  86                         return;
  87                 size_t oldsize=size();
  88                 resize(oldsize+dataSize);
  89                 memcpy(&*(begin()+oldsize),data,dataSize);
  90         }
  91         static const size_t npos = static_cast<size_t>(-1); // bad/missing length/position
  92         static_assert(MAXSIZE_T == npos, "NPOS must equal MAXSIZE_T");
  93 #pragma warning(push)
  94 #if _MSC_VER < 1920
  95 #pragma warning(disable: 4309) // 'static_cast': truncation of constant value
  96 #endif
  97         static_assert(-1 == static_cast<int>(npos), "NPOS must equal -1");
  98 #pragma warning(pop)
  99 };
 100
 101 class CGitGuardedByteArray : public CGitByteArray
 102 {
 103 private:
 104         CGitGuardedByteArray(const CGitGuardedByteArray&) = delete;
 105         CGitGuardedByteArray& operator=(const CGitGuardedByteArray&) = delete;
 106 public:
 107         CGitGuardedByteArray() {}
 108         ~CGitGuardedByteArray() {}
 109         CComAutoCriticalSection m_critSec;
 110 };
 111
 112 struct TGitRef
 113 {
 114         CString name;
 115         CGitHash hash;
 116         operator const CString&() const { return name; }
 117 };
 118
 119 using STRING_VECTOR = std::vector<CString>;
 120 using MAP_HASH_NAME = std::unordered_map<CGitHash, STRING_VECTOR>;
 121 using MAP_STRING_STRING = std::map<CString, CString>;
 122 using REF_VECTOR = std::vector<TGitRef>;
 123 using BYTE_VECTOR = CGitByteArray;