summaryrefslogtreecommitdiffstats
path: root/CPP/7zip/Common/FilePathAutoRename.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'CPP/7zip/Common/FilePathAutoRename.cpp')
-rwxr-xr-xCPP/7zip/Common/FilePathAutoRename.cpp55
1 files changed, 55 insertions, 0 deletions
diff --git a/CPP/7zip/Common/FilePathAutoRename.cpp b/CPP/7zip/Common/FilePathAutoRename.cpp
new file mode 100755
index 0000000..d357c5b
--- /dev/null
+++ b/CPP/7zip/Common/FilePathAutoRename.cpp
@@ -0,0 +1,55 @@
+// FilePathAutoRename.cpp
+
+#include "StdAfx.h"
+
+#include "Common/Defs.h"
+#include "Common/IntToString.h"
+
+#include "Windows/FileFind.h"
+
+#include "FilePathAutoRename.h"
+
+using namespace NWindows;
+
+static bool MakeAutoName(const UString &name,
+ const UString &extension, unsigned value, UString &path)
+{
+ wchar_t number[16];
+ ConvertUInt32ToString(value, number);
+ path = name;
+ path += number;
+ path += extension;
+ return NFile::NFind::DoesFileOrDirExist(path);
+}
+
+bool AutoRenamePath(UString &fullProcessedPath)
+{
+ UString path;
+ int dotPos = fullProcessedPath.ReverseFind(L'.');
+
+ int slashPos = fullProcessedPath.ReverseFind(L'/');
+ #ifdef _WIN32
+ int slash1Pos = fullProcessedPath.ReverseFind(L'\\');
+ slashPos = MyMax(slashPos, slash1Pos);
+ #endif
+
+ UString name, extension;
+ if (dotPos > slashPos && dotPos > 0)
+ {
+ name = fullProcessedPath.Left(dotPos);
+ extension = fullProcessedPath.Mid(dotPos);
+ }
+ else
+ name = fullProcessedPath;
+ name += L'_';
+ unsigned left = 1, right = (1 << 30);
+ while (left != right)
+ {
+ unsigned mid = (left + right) / 2;
+ if (MakeAutoName(name, extension, mid, path))
+ left = mid + 1;
+ else
+ right = mid;
+ }
+ return !MakeAutoName(name, extension, right, fullProcessedPath);
+}