UnescapeOnly()

static unsafe void System.Uri.UnescapeOnly ( char * pch, int start, ref int end, char ch1, char ch2, char ch3 )

inlinestaticprivate

Definition at line 3244 of file Uri.cs.

    {
        if (end - start < 3)
        {
            return;
        }
        char* ptr = pch + end - 2;
        pch += start;
        char* ptr2 = null;
        while (pch < ptr)
        {
            if (*(pch++) != '%')
            {
                continue;
            }
            char c = UriHelper.DecodeHexChars(*(pch++), *(pch++));
            if (c != ch1 && c != ch2 && c != ch3)
            {
                continue;
            }
            ptr2 = pch - 2;
            *(ptr2 - 1) = c;
            while (pch < ptr)
            {
                if ((*(ptr2++) = *(pch++)) == '%')
                {
                    c = UriHelper.DecodeHexChars(*(ptr2++) = *(pch++), *(ptr2++) = *(pch++));
                    if (c == ch1 || c == ch2 || c == ch3)
                    {
                        ptr2 -= 2;
                        *(ptr2 - 1) = c;
                    }
                }
            }
            break;
        }
        ptr += 2;
        if (ptr2 == null)
        {
            return;
        }
        if (pch == ptr)
        {
            end -= (int)(pch - ptr2);
            return;
        }
        *(ptr2++) = *(pch++);
        if (pch == ptr)
        {
            end -= (int)(pch - ptr2);
            return;
        }
        *(ptr2++) = *(pch++);
        end -= (int)(pch - ptr2);
    }

References System.UriHelper.DecodeHexChars(), and System.start.

Referenced by System.Uri.GetCanonicalPath().