/// <summary>
/// 校验文件路径是否合法，示例：
/// <para>C:\1.txt</para>
/// <para>C:\folder\1.txt</para>
/// <para>C:\folder\1txt</para>
/// <para>IOExtNameException异常</para>
/// </summary>
/// <param name="path">需校验的完整路径</param>
/// <param name="ext">扩展名（不含.）
/// <para>若ext=""，则不校验扩展名</para>
/// <para>若ext=*，则校验任意扩展名</para>
/// <para>否则，校验指定扩展名</para>
/// </param>
/// <returns></returns>
public static bool CheckFilePath(string path, string ext = "")
{
// 解析：[盘符:] + 1或多段[\合法文件夹或文件名]
string pattern;
switch (ext)
{
case "":
pattern = RegexExt.FilePath;
break;
case "*":
pattern = RegexExt.FilePath2;
break;
default:
if (!CheckExt(ext))
{
throw new IOExtNameException(ext);
}
pattern = $@"^{RegexExt.AvailDisk}:({RegexExt.AvailSplit}[^{RegexExt.NoAvailChar}]+)+(?<=\.{ext.ToRegex()})$";
break;
}
return(RegexExt.IsMatchNoCase(path, pattern));
}
/// <summary>
/// 校验文件名称是否合法
/// <para>IOExtNameException异常</para>
/// </summary>
/// <param name="name">文件完整名称</param>
/// <param name="ext">扩展名（不含.）</param>
/// <returns></returns>
public static bool CheckFileName(string name, string ext = "")
{
string pattern;
switch (ext)
{
case "":
pattern = RegexExt.FileName;
break;
case "*":
pattern = RegexExt.FileName2;
break;
default:
if (!CheckExt(ext))
{
throw new IOExtNameException(ext);
}
pattern = $@"^[^{RegexExt.NoAvailChar}]+\.{ext.ToRegex()}$";
break;
}
return(RegexExt.IsMatchNoCase(name, pattern));
}