worksheet: Add method to check if the worksheet is empty

A worksheet is considered empty if it doesn't have any cells.
tfussell · Dec 2, 2020 · 9df7c83 · 9df7c83
1 parent 3c7122a
commit 9df7c83
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diff --git a/include/xlnt/worksheet/worksheet.hpp b/include/xlnt/worksheet/worksheet.hpp
@@ -770,6 +770,12 @@ class XLNT_API worksheet
     /// </summary>
     bool has_drawing() const;
 
+    /// <summary>
+    /// Returns true if this worksheet is empty.
+    /// A worksheet is considered empty if it doesn't have any cells.
+    /// </summary>
+    bool is_empty() const;
+
 private:
     friend class cell;
     friend class const_range_iterator;

diff --git a/source/worksheet/worksheet.cpp b/source/worksheet/worksheet.cpp
@@ -1335,4 +1335,9 @@ bool worksheet::has_drawing() const
     return d_->drawing_.is_set();
 }
 
+bool worksheet::is_empty() const
+{
+    return d_->cell_map_.empty();
+}
+
 } // namespace xlnt