System.Xml.XmlUtf8RawTextWriter.EncodeMultibyteUTF8 C# (CSharp) Méthode

        internal static unsafe byte* EncodeMultibyteUTF8( int ch, byte* pDst ) {
            Debug.Assert( ch >= 0x80 && (ch <= SurHighStart || ch >= SurLowEnd ) );

            /* UTF8-2: If ch is in 0x80-0x7ff range, then use 2 bytes to encode it */ 
            if ( ch < 0x800 ) {    
                *pDst = (byte)( unchecked((sbyte)0xC0) | (ch >> 6) );   
            }   
            /* UTF8-3: If ch is anything else, then default to using 3 bytes to encode it. */   
            else {     
                *pDst = (byte)( unchecked((sbyte)0xE0) | ( ch >> 12 ) );    
                pDst++;

                *pDst = (byte)( unchecked((sbyte)0x80) | ( ch >> 6 ) & 0x3F);   
            }   
            pDst++;
            *pDst = (byte)( 0x80 | ch & 0x3F );   
            return pDst + 1;
        }