Is Valid Character Value - CSharp System.Xml

CSharp examples for System.Xml:XML String

Description

Is Valid Character Value

Demo Code

/*//from  w w w.ja v  a2s. c om
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using System.Text;
using System;

public class Main{
        /**
         * Checks if a character value should be escaped/unescaped.
         * @param   c   a character value
         * @return  true if it's OK to escape or unescape this value 
         */
        public static bool IsValidCharacterValue(int c) {
            return (c == 0x9 || c == 0xA || c == 0xD
                    || c >= 0x20 && c <= 0xD7FF
                    || c >= 0xE000 && c <= 0xFFFD
                    || c >= 0x10000 && c <= 0x10FFFF);
        }
        /**
         * Checks if a character value should be escaped/unescaped.
         * @param   s   the String representation of an integer
         * @return  true if it's OK to escape or unescape this value 
         */
        public static bool IsValidCharacterValue(String s) {
            try {
                int i = int.Parse(s);
                return IsValidCharacterValue(i);
            }
            catch {
                return false;
            }
        }
}

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