Migration to new Rust-based engine (#401)

* wasm first steps * parsing start * parsing continued * progress * progress * progress * progress * progress * progress * progress * progress * fixes * reorganize * change type * fix * progress * refactoring * progress * progress * progress * keep style info * progress * progress * remove (copy) in name * progress * merge methods into 1 * splice * progress * progress * progress * cleaning * progress * progress * progress * visibility * progress * progress * progress * progress * progress * fixes * progress * fix markers * fix * progress * progress * progress * progress * progress * progress * small fix * use engine info * fix popups * small fix * progress * progress * progress * clean tool * handle self closing elements * reduce data exchanges across boundary * copy on wasm side to avoid any data corruption * speed fix * routing * refactoring * reverse * reverse * crop * split * merge * progress * time tool * fix bounds for waypoints * reduce * fix reactivity * handle corrupt time data * export * progress * remove gpx js package * remove todo * update readme * cleaning * progress * fix link fields * remove unused fields * refactoring and tests * import and export of routes, ref #192 * per-chunk categories storage * cross-tab sync * outdated state * refactoring * reorder methods * refactoring * fix * improve flow * renaming * progress * progress * fix * progress * per file history * keep original flag * use history variant * fix * progress * file explorer * progress * fix * sticky folders * improved sticky folders * fix sortable * fix sortable * fix * fix tab size * no file delete on desktop * fix routing on other file * fix sorting * remember language * open links in browser * commit missing changes * avoid selecting on resize * clarify filename * explorer actions * fix folder styling * drop anywhere in folder * cleaning * fixes * remove focus-ring * full screen * small fix * consistent highlight color * improved preview * performance improvements * sparser data transfers * sparser data transfers * show popup once data is loaded * fix routing control size * fix * sparse desktop build * remove custom ign styles * use new endpoint for openhikingmap * strip native menu * reorder context menu items * route full support * route - track conversion * create route file action * route export, filter out anchors at high zoom level * clarify name handling * move hide & center to view * routes continued * update docs * fix power format, closes #378 * lint fixes * fix display of additional data with gaps, closes #361 * fix linting issues * fix import modules * fix multidrag * change base to resolve * fix type errors * fix layer typings * fix last type error * each keys * improve typings * deploy to cloudflare --------- Co-authored-by: vcoppe <vcoppe@hexaly.com>
2026-11-15 07:07:07 +00:00 · 2026-10-31 18:08:22 +01:00
1 parent 6a0d434371
commit 8fe7d8d64d
@@ -0,0 +1,91 @@
+use std::collections::HashMap;
+use std::rc::Rc;
+
+use crate::{File, FileId, SegmentLocation, State, TrackSegment};
+
+/// Edits the segments at `locations`, calling `f` with the position of each location in the slice
+/// and its segment, in that order.
+///
+/// Each file concerned is copied once (cheap, trackpoints are shared chunks) and stored back as a
+/// new snapshot. The segments take care of their own revision (see [`TrackSegment`]).
+pub fn update_segments(
+    state: &mut State,
+    locations: &[SegmentLocation],
+    mut f: impl FnMut(usize, &mut TrackSegment),
+) {
+    let mut files: HashMap<FileId, File> = HashMap::new();
+    for (i, location) in locations.iter().enumerate() {
+        let file = files
+            .entry(location.file_id)
+            .or_insert_with(|| (*state.files[&location.file_id]).clone());
+        f(i, file.segment_mut(location.index));
+    }
+    for (file_id, file) in files {
+        state.files.insert(file_id, Rc::new(file));
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use std::rc::Rc;
+
+    use crate::engine::command::fixture::Fixture;
+
+    use crate::SegmentIndex;
+
+    use super::*;
+
+    fn fixture() -> (Fixture, FileId) {
+        let mut fx = Fixture::default();
+        let data = std::fs::read("data/with_tracks_and_segments.gpx").unwrap();
+        let file = Rc::new(crate::parse(&data, &mut Default::default()).unwrap());
+        let id = file.id;
+        fx.files.insert(id, file);
+        (fx, id)
+    }
+
+    #[test]
+    fn test_only_the_given_segments_are_edited_in_order() {
+        let (mut fx, id) = fixture();
+        let before = fx.files[&id].clone();
+        let locations = [
+            SegmentLocation {
+                file_id: id,
+                index: SegmentIndex::Track { trk: 1, seg: 0 },
+            },
+            SegmentLocation {
+                file_id: id,
+                index: SegmentIndex::Track { trk: 0, seg: 0 },
+            },
+        ];
+        let mut calls = vec![];
+        update_segments(&mut fx.state(), &locations, |i, segment| {
+            calls.push(i);
+            segment.update(0, |trkpt| trkpt.ele = 1234.0);
+        });
+
+        assert_eq!(calls, vec![0, 1]);
+        let after = &fx.files[&id];
+        assert!(!Rc::ptr_eq(after, &before));
+        for (trk, seg) in [(1, 0), (0, 0)] {
+            assert_eq!(after.trk[trk].trkseg[seg][0].ele, 1234.0);
+            assert_ne!(
+                after.trk[trk].trkseg[seg].rev_id,
+                before.trk[trk].trkseg[seg].rev_id
+            );
+        }
+        // the other segments are the same ones
+        assert_eq!(
+            after.trk[0].trkseg[1].rev_id,
+            before.trk[0].trkseg[1].rev_id
+        );
+    }
+
+    #[test]
+    fn test_no_location_leaves_the_files_alone() {
+        let (mut fx, id) = fixture();
+        let before = fx.files[&id].clone();
+        update_segments(&mut fx.state(), &[], |_, _| panic!("nothing to edit"));
+        assert!(Rc::ptr_eq(&fx.files[&id], &before));
+    }
+}