/// <summary>
/// 将所有路径转换成唯一的路径，如果有同名路径，则在后面自动标号（如：a.txt => a(1).txt、d:\a\ => d:\a(1)\）
/// 1、返回的列表与源列表的顺序是一样的
/// 2、传入的路径必须是标准的路径，并且这些路径可能同时包含文件路径与文件夹路径
/// </summary>
public static List <string> ConvertPathToUniqueList(List <string> standardPathList)
{
if (standardPathList.IsNullOrEmpty())
{
return(new List <string>());
}
var hs = new HashSet <string>();
var tpLst = new List <Tuple <string, string> >();
var reg = new Regex(@"\((?<idx>\d+)\)$");
standardPathList.ForEach(p =>
{
if (string.IsNullOrWhiteSpace(p))
{
tpLst.Add(new Tuple <string, string>(p, p));
return;
}
var isFolder = ComFile.IsFolderPathByCharFlag(p);
var tempPath = p;
//无限循环计算唯一的路径
while (true)
{
var key = tempPath.ToUpper().TrimEnd('\\');
//如果当前路径在当前时刻未重复，则直接返回结果
if (!hs.Contains(key))
{
hs.Add(key);
break;
}
//如果当前不唯一，则更新名称后再判断是否唯一
if (isFolder)
{
var name = ComFile.GetPathFolderName(tempPath, true);
var newName = string.Empty;
var mt = reg.Match(name);
if (mt.Success && mt?.Groups?.Count > 0)
{
newName = reg.Replace(name, $"({Convert.ToInt32(mt.Groups["idx"].Value) + 1})");
}
else
{
newName = $"{name}(1)";
}
tempPath = ComFile.ChangePathByFolderName(tempPath, newName, true);
}
else
{
var name = ComFile.GetFileName(tempPath, false);
var ext = ComFile.GetExtName(tempPath);
var newName = string.Empty;
var mt = reg.Match(name);
if (mt.Success && mt?.Groups?.Count > 0)
{
newName = reg.Replace(name, $"({Convert.ToInt32(mt.Groups["idx"].Value) + 1})");
}
else
{
newName = $"{name}(1)";
}
tempPath = ComFile.ChangePathByFileName(tempPath, ComFile.AppendExtToPath(newName, ext));
}
}
tpLst.Add(new Tuple <string, string>(p, tempPath));
});
return(tpLst.Select(k => k.Item2).ToList());
}
