feat(commands): open urls with goto_file command

Add capability for `goto_file` command to open an URL under cursor.

Fixes: helix-editor#1472
Superseds: helix-editor#4398

helix-core/Cargo.toml

@@ -38,6 +38,7 @@ log = "0.4"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 toml = "0.7"
+url = "2.3.1"
 
 imara-diff = "0.1.0"
 

helix-core/src/lib.rs

@@ -1,4 +1,5 @@
 pub use encoding_rs as encoding;
+pub use url;
 
 pub mod auto_pairs;
 pub mod chars;

helix-term/Cargo.toml

@@ -56,6 +56,8 @@ ignore = "0.4"
 pulldown-cmark = { version = "0.9", default-features = false }
 # file type detection
 content_inspector = "0.2.4"
+# openning URLs
+open = "3.2.0"
 
 # config
 toml = "0.7"

helix-term/src/commands.rs

@@ -28,6 +28,7 @@ use helix_core::{
     textobject,
     tree_sitter::Node,
     unicode::width::UnicodeWidthChar,
+    url::Url,
     visual_offset_from_block, Deletion, LineEnding, Position, Range, Rope, RopeGraphemes,
     RopeReader, RopeSlice, Selection, SmallVec, Tendril, Transaction,
 };
@@ -331,7 +332,7 @@ impl MappableCommand {
         goto_implementation, "Goto implementation",
         goto_file_start, "Goto line number <n> else file start",
         goto_file_end, "Goto file end",
-        goto_file, "Goto files in selection",
+        goto_file, "Goto files/URLs in selection",
         goto_file_hsplit, "Goto files in selection (hsplit)",
         goto_file_vsplit, "Goto files in selection (vsplit)",
         goto_reference, "Goto references",
@@ -1193,6 +1194,17 @@ fn goto_file_impl(cx: &mut Context, action: Action) {
     for sel in paths {
         let p = sel.trim();
         if !p.is_empty() {
+            if let Ok(url) = Url::parse(p) {
+                if let Err(e) = open::that(url.as_str()) {
+                    cx.editor.set_error(format!(
+                        "Open file failed for url '{}': {:?}",
+                        url.as_str(),
+                        e
+                    ));
+                }
+                return;
+            }
+
             let path = &rel_path.join(p);
             if path.is_dir() {
                 let picker = ui::file_picker(path.into(), &cx.editor.config());

helix-view/src/document.rs

@@ -634,7 +634,7 @@ where
 }
 
 use helix_lsp::{lsp, Client, LanguageServerName};
-use url::Url;
+use helix_core::url::Url;
 
 impl Document {
     pub fn from(