From dd91090a1ae931a604c51b9c6d7d8c9b46761af4 Mon Sep 17 00:00:00 2001
From: Blaž Hrastnik
Date: Mon, 15 Mar 2021 17:09:18 +0900
Subject: Implement keep_selections (filter selections on regex).

---
 helix-term/src/commands.rs | 10 +++++++++-
 helix-term/src/keymap.rs   |  1 +
 2 files changed, 10 insertions(+), 1 deletion(-)

(limited to 'helix-term/src')

diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index 36edde4c..d75fd694 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -1156,7 +1156,15 @@ pub fn join_selections(cx: &mut Context) {
 pub fn keep_selections(cx: &mut Context) {
     let doc = cx.doc();
     // keep selections matching regex
-    // and another method for inverse
+    let prompt = ui::regex_prompt(cx, "keep:".to_string(), |doc, regex| {
+        let text = doc.text().slice(..);
+
+        if let Some(selection) = selection::keep_matches(text, doc.selection(), &regex) {
+            doc.set_selection(selection);
+        }
+    });
+
+    cx.push_layer(Box::new(prompt));
 }
 
 //
diff --git a/helix-term/src/keymap.rs b/helix-term/src/keymap.rs
index 58a465fe..a365050f 100644
--- a/helix-term/src/keymap.rs
+++ b/helix-term/src/keymap.rs
@@ -207,6 +207,7 @@ pub fn default() -> Keymaps {
         key!('<') => commands::unindent,
         key!('=') => commands::format_selections,
         shift!('J') => commands::join_selections,
+        // TODO: conflicts hover/doc
         shift!('K') => commands::keep_selections,
 
         // key!('q') => commands::record_macro,
-- 
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