26.07.21

QWERTYkez.ExcelProcessor/Editors/ExcelBook.cs

@@ -21,16 +21,16 @@ internal sealed class ExcelBook : IBook
     public IReadOnlyList<ISheet> GetSheets() => Writer.GetSheets();
 
     /// <inheritdoc />
-    public ISheet? Sheet(string name) => Writer.Sheet(name);
+    public ISheet? Sheet(string name) => Writer.Sheet(name.EscapeSymbols());
 
     /// <inheritdoc />
-    public bool TryGetSheet(string name, out ISheet sheet) => Writer.TryGetSheet(name, out sheet);
+    public bool TryGetSheet(string name, out ISheet sheet) => Writer.TryGetSheet(name.EscapeSymbols(), out sheet);
 
     /// <inheritdoc />
-    public bool TryAddSheet(string name, Action<ISheet>? edit = null) => Writer.TryAddSheet(name, edit);
+    public bool TryAddSheet(string name, Action<ISheet>? edit = null) => Writer.TryAddSheet(name.EscapeSymbols(), edit);
 
     /// <inheritdoc />
-    public bool TryRemoveSheet(string name) => Writer.TryRemoveSheet(name);
+    public bool TryRemoveSheet(string name) => Writer.TryRemoveSheet(name.EscapeSymbols());
 
     /// <inheritdoc />
     public bool TryRemoveSheet(ISheet sheet) => Writer.TryRemoveSheet(sheet);
@@ -40,4 +40,22 @@ internal sealed class ExcelBook : IBook
 
     /// <inheritdoc />
     public NumberFormatPattern CreateNumberFormat(string format) => Writer.CreateNumberFormat(format);
+}
+
+public static class EscapeExt
+{
+    public static string EscapeSymbols(this string source)
+    {
+        var sb = new StringBuilder(source);
+
+        sb.Replace('/', '∕');
+        sb.Replace('\\', '∖');
+        sb.Replace('*', '∗');
+        sb.Replace('?', '？');
+        sb.Replace(':', '˸');
+        sb.Replace('[', '［');
+        sb.Replace(']', '］');
+
+        return sb.ToString();
+    }
 }

QWERTYkez.ExcelProcessor/Editors/ExcelSheet.cs

@@ -33,7 +33,7 @@ internal sealed class ExcelSheet : ISheet
     {
         if (string.IsNullOrEmpty(name)) return false;
         Book.ThrowIfDisposed();
-        SheetElement.Name = name;
+        SheetElement.Name = name.EscapeSymbols();
         return true;
     }
 

QWERTYkez.ExcelProcessor/ExcelWriter.cs

@@ -1095,6 +1095,8 @@ internal sealed class ExcelWriter : ExcelReader, IExcelReader, IExcelWriter
         if (string.IsNullOrEmpty(name))
             return null;
 
+        name = name.EscapeSymbols();
+
         lock (_syncLock)
         {
             var workbookPart = _doc.WorkbookPart;
@@ -1113,7 +1115,7 @@ internal sealed class ExcelWriter : ExcelReader, IExcelReader, IExcelWriter
     /// <inheritdoc />
     public bool TryGetSheet(string name, out ISheet sheet)
     {
-        sheet = Sheet(name)!;
+        sheet = Sheet(name.EscapeSymbols())!;
         return sheet != null;
     }
 
@@ -1130,6 +1132,8 @@ internal sealed class ExcelWriter : ExcelReader, IExcelReader, IExcelWriter
             if (workbookPart?.Workbook?.Sheets == null)
                 return false;
 
+            name = name.EscapeSymbols();
+
             // Проверка уникальности имени
             foreach (Sheet s in workbookPart.Workbook.Sheets.Elements<Sheet>())
             {
@@ -1168,7 +1172,7 @@ internal sealed class ExcelWriter : ExcelReader, IExcelReader, IExcelWriter
     /// <inheritdoc />
     public bool TryRemoveSheet(string name)
     {
-        var sheet = Sheet(name);
+        var sheet = Sheet(name.EscapeSymbols());
         return sheet != null && TryRemoveSheet(sheet);
     }