IsValidLanguageID()

static bool System.Xml.XmlComplianceUtil.IsValidLanguageID ( char[] value, int startPos, int length )

inlinestatic

Definition at line 122 of file XmlComplianceUtil.cs.

    {
        int num = length;
        if (num < 2)
        {
            return false;
        }
        bool flag = false;
        int num2 = startPos;
        char c = value[num2];
        if (XmlCharType.IsLetter(c))
        {
            if (XmlCharType.IsLetter(value[++num2]))
            {
                if (num == 2)
                {
                    return true;
                }
                num--;
                num2++;
            }
            else if ('I' != c && 'i' != c && 'X' != c && 'x' != c)
            {
                return false;
            }
            if (value[num2] != '-')
            {
                return false;
            }
            num -= 2;
            while (num-- > 0)
            {
                c = value[++num2];
                if (XmlCharType.IsLetter(c))
                {
                    flag = true;
                    continue;
                }
                if (c == '-' && flag)
                {
                    flag = false;
                    continue;
                }
                return false;
            }
            if (flag)
            {
                return true;
            }
        }
        return false;
    }

References System.Xml.Dictionary, System.Xml.XmlCharType.IsLetter(), System.length, and System.value.

Referenced by System.Xml.Xsl.XsltOld.SortAction.ParseLang().