fix(ods): support consecutive repeated empty cells

.gitignore

@@ -6,3 +6,4 @@ Cargo.lock
 fuzz.xlsx
 .idea
 nyc.rs
+.DS_Store

Cargo.toml

@@ -28,6 +28,7 @@ chrono = { version = "0.4", features = [
 [dev-dependencies]
 glob = "0.3"
 env_logger = "0.11"
+rstest = { version = "0.21.0", default-features = false }
 serde_derive = "1.0"
 sha256 = "1.3"
 

src/ods.rs

@@ -434,6 +434,7 @@ fn get_range<T: Default + Clone + PartialEq>(
         let mut new_cells = Vec::with_capacity(cells_len);
         let empty_cells = vec![T::default(); col_max + 1];
         let mut empty_row_repeats = 0;
+        let mut consecutive_empty_rows = 0;
         for (w, row_repeats) in cols
             .windows(2)
             .skip(row_min)
@@ -444,12 +445,13 @@ fn get_range<T: Default + Clone + PartialEq>(
             let row_repeats = *row_repeats;
 
             if is_empty_row(row) {
-                empty_row_repeats = row_repeats;
+                empty_row_repeats += row_repeats;
+                consecutive_empty_rows += 1;
                 continue;
             }
 
             if empty_row_repeats > 0 {
-                row_max = row_max + empty_row_repeats - 1;
+                row_max = row_max + empty_row_repeats - consecutive_empty_rows;
                 for _ in 0..empty_row_repeats {
                     new_cells.extend_from_slice(&empty_cells);
                 }

tests/test.rs

@@ -5,6 +5,7 @@ use calamine::{
     Xlsx,
 };
 use calamine::{CellErrorType::*, Data};
+use rstest::rstest;
 use std::collections::BTreeSet;
 use std::fs::File;
 use std::io::{BufReader, Cursor};
@@ -1786,3 +1787,29 @@ fn test_ref_xlsb() {
         ]
     );
 }
+
+#[rstest]
+#[case("single-empty.ods")]
+#[case("multi-empty.ods")]
+fn issue_repeated_empty(#[case] fixture_path: &str) {
+    let mut ods: Ods<_> = wb(fixture_path);
+    let range = ods.worksheet_range_at(0).unwrap().unwrap();
+    range_eq!(
+        range,
+        [
+            [String("StringCol".to_string())],
+            [String("bbb".to_string())],
+            [String("ccc".to_string())],
+            [String("ddd".to_string())],
+            [String("eee".to_string())],
+            [Empty],
+            [Empty],
+            [Empty],
+            [Empty],
+            [Empty],
+            [Empty],
+            [Empty],
+            [String("zzz".to_string())],
+        ]
+    );
+}