misc/libphysfs/lzma/CPP/7zip/Common/FilePathAutoRename.cpp
author unc0rr
Thu, 11 Oct 2018 23:43:31 +0200
changeset 13880 5f819b90d479
parent 12213 bb5522e88ab2
permissions -rw-r--r--
- Fix insert() for strings in pas2c - Implement insert() for ansistrings
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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// FilePathAutoRename.cpp
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#include "StdAfx.h"
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#include "FilePathAutoRename.h"
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#include "Common/Defs.h"
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#include "Common/IntToString.h"
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#include "Windows/FileName.h"
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#include "Windows/FileFind.h"
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using namespace NWindows;
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static bool MakeAutoName(const UString &name, 
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    const UString &extension, int value, UString &path)
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{
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  wchar_t number[32];
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  ConvertUInt64ToString(value, number);
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  path = name;
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  path += number;
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  path += extension;
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  return NFile::NFind::DoesFileExist(path);
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}
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bool AutoRenamePath(UString &fullProcessedPath)
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{
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  UString path;
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  int dotPos = fullProcessedPath.ReverseFind(L'.');
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  int slashPos = fullProcessedPath.ReverseFind(L'/');
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  #ifdef _WIN32
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  int slash1Pos = fullProcessedPath.ReverseFind(L'\\');
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  slashPos = MyMax(slashPos, slash1Pos);
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  #endif
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  UString name, extension;
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  if (dotPos > slashPos &&  dotPos > 0)
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  {
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    name = fullProcessedPath.Left(dotPos);
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    extension = fullProcessedPath.Mid(dotPos);
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  }
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  else
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    name = fullProcessedPath;
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  name += L'_';
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  int indexLeft = 1, indexRight = (1 << 30);
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  while (indexLeft != indexRight)
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  {
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    int indexMid = (indexLeft + indexRight) / 2;
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    if (MakeAutoName(name, extension, indexMid, path))
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      indexLeft = indexMid + 1;
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    else
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      indexRight = indexMid;
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  }
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  if (MakeAutoName(name, extension, indexRight, fullProcessedPath))
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    return false;
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  return true;
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}