58 lines
1.3 KiB
C++
58 lines
1.3 KiB
C++
// 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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}
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