From 9df7c83ca6bc1df98921430695d15a9b56afdeae Mon Sep 17 00:00:00 2001
From: Emmanuel Pescosta <emmanuelpescosta099@gmail.com>
Date: Wed, 15 Apr 2020 11:28:36 +0200
Subject: [PATCH] worksheet: Add method to check if the worksheet is empty

A worksheet is considered empty if it doesn't have any cells.
---
 include/xlnt/worksheet/worksheet.hpp | 6 ++++++
 source/worksheet/worksheet.cpp       | 5 +++++
 2 files changed, 11 insertions(+)

diff --git a/include/xlnt/worksheet/worksheet.hpp b/include/xlnt/worksheet/worksheet.hpp
index b8a879792..969ab0b90 100644
--- 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
index bb7141e2a..b9b6fc200 100644
--- 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