Big changes

Source/TSRealLib/MAL/SupportProjects/ExcelZip/Workbook.cs

@@ -0,0 +1,91 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.IO.Compression;
+using System.Linq;
+using System.Xml;
+using System.Xml.Serialization;
+
+namespace ExcelZipLib
+{
+   public class Workbook
+   {
+      /// <summary>
+      /// The shared strings
+      /// </summary>
+      public static sst SharedStrings;
+
+      /// <summary>
+      /// All worksheets in the Excel workbook deserialized
+      /// </summary>
+      /// <param name="ExcelFileName">Full path and filename of the Excel xlsx-file</param>
+      /// <returns></returns>
+      public static List<worksheet> Worksheets(string ExcelFileName)
+      {
+         worksheet ws;
+         List<worksheet> allWorkSheets = new List<worksheet>();
+
+         using (ZipArchive zipArchive = ZipFile.Open(ExcelFileName, ZipArchiveMode.Read))
+         {
+            SharedStrings = DeserializedZipEntry<sst>(GetZipArchiveEntry(zipArchive, @"xl/sharedStrings.xml"));
+
+            foreach (var worksheetEntry in (WorkSheetFileNames(zipArchive)).OrderBy(x => x.FullName))
+            {
+               ws = DeserializedZipEntry<worksheet>(worksheetEntry);
+
+               ws.NumberOfColumns = worksheet.MaxColumnIndex + 1;
+
+               ws.ExpandRows();
+
+               allWorkSheets.Add(ws);
+            }
+            return allWorkSheets;
+         }
+      }
+
+      /// <summary>
+      /// Method converting an Excel cell value to a date
+      /// </summary>
+      /// <param name="ExcelCellValue"></param>
+      /// <returns></returns>
+      public static DateTime DateFromExcelFormat(string ExcelCellValue)
+      {
+         return DateTime.FromOADate(Convert.ToDouble(ExcelCellValue));
+      }
+
+      /// <summary>
+      /// Gets the zip archive entry.
+      /// </summary>
+      /// <param name="ZipArchive">The zip archive.</param>
+      /// <param name="ZipEntryName">Name of the zip entry.</param>
+      /// <returns></returns>
+      private static ZipArchiveEntry GetZipArchiveEntry(ZipArchive ZipArchive, string ZipEntryName)
+      {
+         return ZipArchive.Entries.First<ZipArchiveEntry>(n => n.FullName.Equals(ZipEntryName));
+      }
+
+      /// <summary>
+      /// Works the sheet file names.
+      /// </summary>
+      /// <param name="ZipArchive">The zip archive.</param>
+      /// <returns></returns>
+      private static IEnumerable<ZipArchiveEntry> WorkSheetFileNames(ZipArchive ZipArchive)
+      {
+         foreach (var zipEntry in ZipArchive.Entries)
+            if (zipEntry.FullName.StartsWith("xl/worksheets/sheet"))
+               yield return zipEntry;
+      }
+
+      /// <summary>
+      /// Deserializeds the zip entry.
+      /// </summary>
+      /// <typeparam name="T"></typeparam>
+      /// <param name="ZipArchiveEntry">The zip archive entry.</param>
+      /// <returns></returns>
+      private static T DeserializedZipEntry<T>(ZipArchiveEntry ZipArchiveEntry)
+      {
+         using (Stream stream = ZipArchiveEntry.Open())
+            return (T)new XmlSerializer(typeof(T)).Deserialize(XmlReader.Create(stream));
+      }
+   }
+}