internal static string InternalCombine(string path1, string path2)
{
if ((path1 == null) || (path2 == null))
{
throw new ArgumentNullException((path1 == null) ? "path1" : "path2");
}
CheckInvalidPathChars(path1);
CheckInvalidPathChars(path2);
if (path2.Length == 0)
{
throw new ArgumentException(JsImplEnvironment.GetResourceString("Argument_PathEmpty"), "path2");
}
if (IsPathRooted(path2))
{
throw new ArgumentException(JsImplEnvironment.GetResourceString("Arg_Path2IsRooted"), "path2");
}
int length = path1.Length;
if (length == 0)
{
return(path2);
}
char ch = path1[length - 1];
if (((ch != DirectorySeparatorChar) && (ch != AltDirectorySeparatorChar)) && (ch != VolumeSeparatorChar))
{
return(path1 + DirectorySeparatorChar + path2);
}
return(path1 + path2);
}
internal static void CheckInvalidPathChars(string path)
{
for (int i = 0; i < path.Length; i++)
{
int num2 = path.As <JsString>().charCodeAt(i);
if (((num2 == 0x22) || (num2 == 60)) || (((num2 == 0x3e) || (num2 == 0x7c)) || (num2 < 0x20)))
{
throw new ArgumentException(JsImplEnvironment.GetResourceString("Argument_InvalidPathChars"));
}
}
}
internal static void CheckSearchPattern(string searchPattern)
{
int num;
//if (((Environment.OSInfo & Environment.OSName.Win9x) != Environment.OSName.Invalid) && CanPathCircumventSecurityNative(searchPattern))
//{
// throw new ArgumentException(Environment.GetResourceString("Arg_InvalidSearchPattern"));
//}
while ((num = searchPattern.IndexOf("..", StringComparison.Ordinal)) != -1)
{
if ((num + 2) == searchPattern.Length)
{
throw new ArgumentException(JsImplEnvironment.GetResourceString("Arg_InvalidSearchPattern"));
}
if ((searchPattern[num + 2] == DirectorySeparatorChar) || (searchPattern[num + 2] == AltDirectorySeparatorChar))
{
throw new ArgumentException(JsImplEnvironment.GetResourceString("Arg_InvalidSearchPattern"));
}
searchPattern = searchPattern.Substring(num + 2);
}
}
// Methods
public JsImplArgumentException()
: base(JsImplEnvironment.GetResourceString("Arg_ArgumentException"))
{
base.SetErrorCode(-2147024809);
}
// Methods
public JsImplSystemException()
: base(JsImplEnvironment.GetResourceString("Arg_SystemException"))
{
base.SetErrorCode(-2146233087);
}