X-Git-Url: https://git.giacomolli.uk/onechat/blobdiff_plain/feda522eba3e2a27c91741c77d0d01f1840c0004..5da3ea038d1e9f9a2634d5ab137aef6989a3a789:/view.go

diff --git a/view.go b/view.go
index 3ccf87e..8e71eec 100644
--- a/view.go
+++ b/view.go
@@ -41,8 +41,8 @@ type nodeReader interface {
 // For the sibling pair (l, i) and (l, i+1), due is (T - last) / 2^l, with T the
 // number of messages and last the ID of the last message of the pair. That is
 // how long ago the pair ended, measured in its own line size. With a budget of
-// the length of Taelin's rollback push list, this order makes the same merges
-// as the push. The oldest pair wins a tie.
+// the length of the rollback push list of the reference design, this order
+// makes the same merges as the push. The oldest pair wins a tie.
 type View struct {
 	high    int
 	low     int
@@ -280,9 +280,19 @@ func (v *View) lineSize(line nodeKey) int {
 // Render returns the view as the model reads it: one line "id+n|text" for each
 // node inside <chat> tags, with the newlines of the text as spaces.
 func (v *View) Render() string {
+	return v.RenderWithout(nil)
+}
+
+// RenderWithout returns the view as Render does, without the leaf lines of the
+// messages in skip. A line that merges such a message with others stays.
+func (v *View) RenderWithout(skip map[int]bool) string {
 	var text strings.Builder
 	text.WriteString("<chat>\n")
 	for _, line := range v.lines {
+		if line.level == 0 && skip[line.index] {
+			continue
+		}
+
 		v.renderLine(&text, line)
 	}