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annotate Lang/StringManipulation.cs @ 30:23fd4247fc1c

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* Add "big-endian" binary reader that reads ints/shorts in big-endian format * Add methods to String Manipulation to output a byte string as hex characters no-open-ticket
author IBBoard <dev@ibboard.co.uk>
date Sun, 19 Apr 2009 11:31:47 +0000
parents 0352fa33ee8f
children cc7fae81afec
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 // This file (StringManipulation.cs) is a part of the IBBoard library and is copyright 2009 IBBoard.
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2 //
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3 // The file and the library/program it is in are licensed under the GNU LGPL license, either version 3 of the License or (at your option) any later version. Please see COPYING.LGPL for more information and the full license.
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4
0
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5 using System;
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6 using System.Text;
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7
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8 namespace IBBoard.Lang
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9 {
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10 /// <summary>
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11 /// Summary description for StringManipulation.
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12 /// </summary>
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13 public class StringManipulation
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14 {
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15 private static Encoding utf8;
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16
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17 static StringManipulation()
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18 {
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19 utf8 = Encoding.UTF8;
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20 }
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21
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22 public static byte[] StringToBytes(string str)
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23 {
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24 return utf8.GetBytes(str);
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25 }
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26
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27 public static string ByteArrayToHexString(byte[] arr)
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28 {
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29 return ByteArrayToHexString(arr, true);
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30 }
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31
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32 public static string ByteArrayToHexString(byte[] arr, bool spaceBytes)
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33 {
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34 StringBuilder sb = new StringBuilder(arr.Length);
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35 string format = (spaceBytes ? "{0,-3:x2}" : "{0:x2}");
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36
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37 foreach (byte b in arr)
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38 {
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39 sb.Append(String.Format(format, b));
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40 }
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41
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42 return sb.ToString().TrimEnd();
0
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43 }
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44
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45 public static string RemoveFromLast(string stringToTrim, char removeFrom)
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46 {
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47 return stringToTrim.Substring(0, stringToTrim.LastIndexOf(removeFrom));
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48 }
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49
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50 public static string CutToLength(string stringToShorten, int length)
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51 {
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52 int strLength = stringToShorten.Length;
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53
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54 if (length >= strLength-2)
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55 {
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56 return stringToShorten;
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57 }
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58 else
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59 {
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60 int diff = (strLength - length) / 2;
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61 int halfLength = strLength / 2;
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62 return stringToShorten.Substring(0, halfLength - diff)+"..."+stringToShorten.Substring(halfLength + diff);
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63 }
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64 }
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65 }
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66 }