From d573c87ebe5d80f373f0b736c99c133d9a019467 Mon Sep 17 00:00:00 2001
From: Fabio Capucci <fabio.cappuc@gmail.com>
Date: Wed, 23 Jul 2025 11:25:39 +0200
Subject: [PATCH 1/3] dont fail parsing on empty coordinates

---
 src/reader.rs | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/src/reader.rs b/src/reader.rs
index 2f37179..8809e43 100644
--- a/src/reader.rs
+++ b/src/reader.rs
@@ -1134,18 +1134,13 @@ where
                 _ => {}
             }
         }
-        if coords.is_empty() {
-            Err(Error::InvalidGeometry(
-                "Geometry must contain coordinates element".to_string(),
-            ))
-        } else {
-            Ok(GeomProps {
-                coords,
-                altitude_mode,
-                extrude,
-                tessellate,
-            })
-        }
+
+        Ok(GeomProps {
+            coords,
+            altitude_mode,
+            extrude,
+            tessellate,
+        })
     }
 
     fn read_float<F: Float + FromStr>(&mut self) -> Result<F, Error> {

From 3aa765ce10d325aa19cd3210a923d312e2e38e7f Mon Sep 17 00:00:00 2001
From: Fabio Capucci <fabio.cappuc@gmail.com>
Date: Thu, 24 Jul 2025 16:43:43 +0200
Subject: [PATCH 2/3] test parse document with empty coordinates

---
 src/reader.rs | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/src/reader.rs b/src/reader.rs
index 8809e43..a7ff948 100644
--- a/src/reader.rs
+++ b/src/reader.rs
@@ -1758,4 +1758,27 @@ mod tests {
             Kml::KmlDocument(_)
         ));
     }
+
+    #[test]
+    fn test_parse_empty_coordinates() {
+        let kml_str = r#"
+            <?xml version="1.0" encoding="utf-8"?>
+            <kml xmlns="http://www.opengis.net/kml/2.2">
+              <Document>
+                <Placemark>
+                  <name>test</name>
+                  <LineString>
+                    <altitudeMode>absolute</altitudeMode>
+                    <coordinates />
+                  </LineString>
+                </Placemark>
+              </Document>
+            </kml>
+        "#;
+
+        assert!(matches!(
+            Kml::<f64>::from_str(kml_str).unwrap(),
+            Kml::KmlDocument(_)
+        ));
+    }
 }

From a7f9c8ec3990b23531e89bf712210dfed3a0518f Mon Sep 17 00:00:00 2001
From: Fabio Capucci <fabio.cappuc@gmail.com>
Date: Fri, 25 Jul 2025 15:13:49 +0200
Subject: [PATCH 3/3] updated test

---
 src/reader.rs | 26 +++++++++++---------------
 1 file changed, 11 insertions(+), 15 deletions(-)

diff --git a/src/reader.rs b/src/reader.rs
index a7ff948..02d2b88 100644
--- a/src/reader.rs
+++ b/src/reader.rs
@@ -1762,23 +1762,19 @@ mod tests {
     #[test]
     fn test_parse_empty_coordinates() {
         let kml_str = r#"
-            <?xml version="1.0" encoding="utf-8"?>
-            <kml xmlns="http://www.opengis.net/kml/2.2">
-              <Document>
-                <Placemark>
-                  <name>test</name>
-                  <LineString>
-                    <altitudeMode>absolute</altitudeMode>
-                    <coordinates />
-                  </LineString>
-                </Placemark>
-              </Document>
-            </kml>
+        <LineString>
+            <altitudeMode>absolute</altitudeMode>
+            <coordinates />
+        </LineString>
         "#;
 
-        assert!(matches!(
+        assert_eq!(
             Kml::<f64>::from_str(kml_str).unwrap(),
-            Kml::KmlDocument(_)
-        ));
+            Kml::LineString(LineString {
+                coords: vec![],
+                altitude_mode: types::AltitudeMode::Absolute,
+                ..Default::default()
+            })
+        );
     }
 }