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63 lines
1.1 KiB
C#
63 lines
1.1 KiB
C#
using System;
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using System.Globalization;
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namespace TechBot.Library
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{
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public class NumberParser
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{
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public bool Error = false;
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private const string SpecialHexCharacters = "ABCDEF";
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private bool IsSpecialHexCharacter(char ch)
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{
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foreach (char specialChar in SpecialHexCharacters)
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{
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if (ch.ToString().ToUpper() == specialChar.ToString())
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return true;
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}
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return false;
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}
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private bool HasSpecialHexCharacters(string s)
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{
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foreach (char ch in s)
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{
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if (IsSpecialHexCharacter(ch))
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return true;
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}
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return false;
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}
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public long Parse(string s)
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{
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try
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{
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Error = false;
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bool useHex = false;
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if (s.StartsWith("0x"))
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{
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s = s.Substring(2);
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useHex = true;
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}
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if (HasSpecialHexCharacters(s))
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useHex = true;
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if (useHex)
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return Int64.Parse(s,
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NumberStyles.HexNumber);
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else
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return Int64.Parse(s);
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}
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catch (FormatException)
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{
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Error = true;
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}
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catch (OverflowException)
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{
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Error = true;
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}
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return -1;
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}
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}
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}
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