System.Xml.ValidateNames.ParseNameNoNamespaces C# (CSharp) Méthode

        internal static unsafe int ParseNameNoNamespaces(string s, int offset)
        {
            Debug.Assert(s != null && offset <= s.Length);

            // Quit if the first character is not a valid NCName starting character
            int i = offset;
            if (i < s.Length)
            {
                if (s_xmlCharType.IsStartNCNameSingleChar(s[i]) || s[i] == ':')
                {
                    i++;
                }
#if XML10_FIFTH_EDITION
                else if (xmlCharType.IsNCNameSurrogateChar(s, i))
                {
                    i += 2;
                }
#endif
                else
                {
                    return 0; // no valid StartNCName char
                }

                // Keep parsing until the end of string or an invalid NCName character is reached
                while (i < s.Length)
                {
                    if (s_xmlCharType.IsNCNameSingleChar(s[i]) || s[i] == ':')
                    {
                        i++;
                    }
#if XML10_FIFTH_EDITION
                    else if (xmlCharType.IsNCNameSurrogateChar(s, i))
                    {
                        i += 2;
                    }
#endif
                    else
                    {
                        break;
                    }
                }
            }

            return i - offset;
        }

        //
        // Verification methods for strings
        //
        /// <include file='doc\XmlConvert.uex' path='docs/doc[@for="XmlConvert.VerifyName"]/*' />
        /// <devdoc>
        ///    <para>
        ///    </para>
        /// </devdoc>
        public static string VerifyName(string name)
        {
            if (name == null)
            {
                throw new ArgumentNullException("name");
            }
            if (name.Length == 0)
            {
                throw new ArgumentNullException("name", SR.Xml_EmptyName);
            }

            // parse name
            int endPos = ValidateNames.ParseNameNoNamespaces(name, 0);

            if (endPos != name.Length)
            {
                // did not parse to the end -> there is invalid character at endPos
                throw CreateInvalidNameCharException(name, endPos, ExceptionType.XmlException);
            }
            return(name);
        }