89 lines
3.1 KiB
C#
89 lines
3.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace BizHawk
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{
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/// <summary>
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/// Includes helper functions to validate user input
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/// </summary>
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public static class InputValidate
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{
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public static bool IsValidUnsignedNumber(string Str)
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{
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char[] input = (Str.ToCharArray());
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ASCIIEncoding AE = new ASCIIEncoding();
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// Check each character in the new label to determine if it is a number.
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for (int x = 0; x < input.Length; x++)
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{
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// Encode the character from the character array to its ASCII code.
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byte[] bc = AE.GetBytes(input[x].ToString());
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// Determine if the ASCII code is within the valid range of numerical values.
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if (bc[0] < 47 || bc[0] > 58)
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return false;
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}
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return true;
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}
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/// <summary>
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/// Validates all chars are 0-9 or a dash as the first value
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/// </summary>
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/// <param name="Str"></param>
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/// <returns></returns>
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public static bool IsValidSignedNumber(string Str)
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{
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char[] input = (Str.ToCharArray());
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ASCIIEncoding AE = new ASCIIEncoding();
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// Check each character in the new label to determine if it is a number.
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for (int x = 0; x < input.Length; x++)
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{
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// Encode the character from the character array to its ASCII code.
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byte[] bc = AE.GetBytes(input[x].ToString());
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// Determine if the ASCII code is within the valid range of numerical values.
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if (bc[0] > 58)
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return false;
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if (bc[0] < 47)
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{
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if (bc[0] == 45 && x == 0)
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continue;
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else
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return false;
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}
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}
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return true;
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}
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/// <summary>
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/// validates is a Hex number 0-9, A-F (must be capital letters)
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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public static bool IsValidHexNumber(string Str)
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{
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char[] input = (Str.ToCharArray());
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ASCIIEncoding AE = new ASCIIEncoding();
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// Check each character in the new label to determine if it is a number.
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for (int x = 0; x < input.Length; x++)
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{
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// Encode the character from the character array to its ASCII code.
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byte[] bc = AE.GetBytes(input[x].ToString());
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// Determine if the ASCII code is within the valid range of numerical values.
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if (bc[0] < 47)
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return false;
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if (bc[0] > 58)
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{
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if (bc[0] < 65 || bc[0] > 70) //A-F capital letters only!
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return false;
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}
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}
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return true;
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}
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}
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}
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