Extract out DatFiles + Reporting namespace

SabreTools.Core/Tools/Utilities.cs

@@ -0,0 +1,106 @@
+using System;
+
+namespace SabreTools.Core.Tools
+{
+    /// <summary>
+    /// Static utility functions used throughout the library
+    /// </summary>
+    public static class Utilities
+    {
+        /// <summary>
+        /// Convert a byte array to a hex string
+        /// </summary>
+        /// <param name="bytes">Byte array to convert</param>
+        /// <returns>Hex string representing the byte array</returns>
+        /// <link>http://stackoverflow.com/questions/311165/how-do-you-convert-byte-array-to-hexadecimal-string-and-vice-versa</link>
+        public static string ByteArrayToString(byte[] bytes)
+        {
+            // If we get null in, we send null out
+            if (bytes == null)
+                return null;
+
+            try
+            {
+                string hex = BitConverter.ToString(bytes);
+                return hex.Replace("-", string.Empty).ToLowerInvariant();
+            }
+            catch
+            {
+                return null;
+            }
+        }
+
+        /// <summary>
+        /// Convert a hex string to a byte array
+        /// </summary>
+        /// <param name="hex">Hex string to convert</param>
+        /// <returns>Byte array represenging the hex string</returns>
+        /// <link>http://stackoverflow.com/questions/311165/how-do-you-convert-byte-array-to-hexadecimal-string-and-vice-versa</link>
+        public static byte[] StringToByteArray(string hex)
+        {
+            // If we get null in, we send null out
+            if (hex == null)
+                return null;
+
+            try
+            {
+                int NumberChars = hex.Length;
+                byte[] bytes = new byte[NumberChars / 2];
+                for (int i = 0; i < NumberChars; i += 2)
+                {
+                    bytes[i / 2] = Convert.ToByte(hex.Substring(i, 2), 16);
+                }
+
+                return bytes;
+            }
+            catch
+            {
+                return null;
+            }
+        }
+
+        /// <summary>
+        /// Convert .NET DateTime to MS-DOS date format
+        /// </summary>
+        /// <param name="dateTime">.NET DateTime object to convert</param>
+        /// <returns>UInt32 representing the MS-DOS date</returns>
+        /// <remarks>
+        /// Adapted from 7-zip Source Code: CPP/Windows/TimeUtils.cpp:FileTimeToDosTime
+        /// </remarks>
+        public static uint ConvertDateTimeToMsDosTimeFormat(DateTime dateTime)
+        {
+            uint year = (uint)((dateTime.Year - 1980) % 128);
+            uint mon = (uint)dateTime.Month;
+            uint day = (uint)dateTime.Day;
+            uint hour = (uint)dateTime.Hour;
+            uint min = (uint)dateTime.Minute;
+            uint sec = (uint)dateTime.Second;
+
+            return (year << 25) | (mon << 21) | (day << 16) | (hour << 11) | (min << 5) | (sec >> 1);
+        }
+
+        /// <summary>
+        /// Convert MS-DOS date format to .NET DateTime
+        /// </summary>
+        /// <param name="msDosDateTime">UInt32 representing the MS-DOS date to convert</param>
+        /// <returns>.NET DateTime object representing the converted date</returns>
+        /// <remarks>
+        /// Adapted from 7-zip Source Code: CPP/Windows/TimeUtils.cpp:DosTimeToFileTime
+        /// </remarks>
+        public static DateTime ConvertMsDosTimeFormatToDateTime(uint msDosDateTime)
+        {
+            return new DateTime((int)(1980 + (msDosDateTime >> 25)), (int)((msDosDateTime >> 21) & 0xF), (int)((msDosDateTime >> 16) & 0x1F),
+                (int)((msDosDateTime >> 11) & 0x1F), (int)((msDosDateTime >> 5) & 0x3F), (int)((msDosDateTime & 0x1F) * 2));
+        }
+
+        /// Indicates whether the specified array is null or has a length of zero
+        /// </summary>
+        /// <param name="array">The array to test</param>
+        /// <returns>true if the array parameter is null or has a length of zero; otherwise, false.</returns>
+        /// <link>https://stackoverflow.com/questions/8560106/isnullorempty-equivalent-for-array-c-sharp</link>
+        public static bool IsNullOrEmpty(this Array array)
+        {
+            return (array == null || array.Length == 0);
+        }
+    }
+}