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47 lines
986 B
47 lines
986 B
4 months ago
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// FilePathAutoRename.cpp
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#include "StdAfx.h"
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#include "../../Windows/FileFind.h"
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#include "FilePathAutoRename.h"
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using namespace NWindows;
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static bool MakeAutoName(const FString &name,
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const FString &extension, UInt32 value, FString &path)
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{
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path = name;
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path.Add_UInt32(value);
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path += extension;
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return NFile::NFind::DoesFileOrDirExist(path);
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}
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bool AutoRenamePath(FString &path)
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{
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int dotPos = path.ReverseFind_Dot();
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int slashPos = path.ReverseFind_PathSepar();
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FString name = path;
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FString extension;
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if (dotPos > slashPos + 1)
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{
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name.DeleteFrom(dotPos);
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extension = path.Ptr(dotPos);
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}
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name += '_';
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FString temp;
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UInt32 left = 1, right = ((UInt32)1 << 30);
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while (left != right)
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{
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UInt32 mid = (left + right) / 2;
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if (MakeAutoName(name, extension, mid, temp))
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left = mid + 1;
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else
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right = mid;
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}
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return !MakeAutoName(name, extension, right, path);
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}
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