GetUTF8ByteCount() [2/3]

static unsafe int System.Reflection.BlobUtilities.GetUTF8ByteCount ( char * str, int charCount, int byteLimit, out char * remainder )

inlinestaticpackage

Definition at line 210 of file BlobUtilities.cs.

    {
        char* ptr = str + charCount;
        char* ptr2 = str;
        int num = 0;
        while (ptr2 < ptr)
        {
            char c = *(ptr2++);
            int num2;
            if (c < '\u0080')
            {
                num2 = 1;
            }
            else if (c < 'ࠀ')
            {
                num2 = 2;
            }
            else if (IsHighSurrogateChar(c) && ptr2 < ptr && IsLowSurrogateChar(*ptr2))
            {
                num2 = 4;
                ptr2++;
            }
            else
            {
                num2 = 3;
            }
            if (num + num2 > byteLimit)
            {
                ptr2 -= ((num2 < 4) ? 1 : 2);
                break;
            }
            num += num2;
        }
        remainder = ptr2;
        return num;
    }

References System.charCount, System.Reflection.BlobUtilities.IsHighSurrogateChar(), System.Reflection.BlobUtilities.IsLowSurrogateChar(), and System.str.