Improve CallLua, mime_essence, permissions

Refs:
- https://github.com/sayanarijit/xplr/issues/187
- https://github.com/sayanarijit/xplr/issues/194
- https://github.com/sayanarijit/xplr/issues/195

Cargo.lock

@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "ansi-to-tui"
-version = "0.1.9"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5091b918c2bf8daa9031e1cef129eafc45272352b885f114fb36a9aec512fcf2"
+checksum = "bc671d766fb75259578ba58f2e492333693c5b028e6b345cc1ac49dfd4d71b95"
 dependencies = [
  "tui",
 ]
@@ -1108,7 +1108,7 @@ checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
 [[package]]
 name = "xplr"
-version = "0.11.1"
+version = "0.12.0"
 dependencies = [
  "ansi-to-tui",
  "anyhow",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "xplr"
-version = "0.11.1"  # Update lua.rs
+version = "0.12.0"  # Update lua.rs
 authors = ["Arijit Basu <sayanarijit@gmail.com>"]
 edition = "2018"
 description = "A hackable, minimal, fast TUI file explorer"
@@ -29,7 +29,7 @@ indexmap = { version = "1.6.2", features = ["serde"] }
 natord = "1.0.9"
 humansize = "1.1.0"
 mlua = { version = "0.5.4", features = ["luajit", "vendored", "serialize", "send"] }
-ansi-to-tui = "0.1.9"
+ansi-to-tui = "0.2.0"
 libc = "0.2.94"
 
 [dev-dependencies]

src/app.rs

@@ -1139,15 +1139,19 @@ pub enum ExternalMsg {
     /// **Example:** `CallSilently: {command: tput, args: ["bell"]}`
     CallSilently(Command),
 
-    /// Call a Lua function
+    /// Call a Lua function.
+    /// The complete app state (exportable using `PrintAppStateAndQuit` or `Debug`)
+    /// will be passed to the function as argument.
+    /// The function can optionally return a list of messages for xplr to handle
+    /// after the executing the function.
     ///
-    /// **Example:** `CallLua: custom.foo_funtion`
+    /// **Example:** `CallLua: custom.some_custom_funtion`
     CallLua(String),
 
     /// Like `CallLua` but without the flicker. The stdin, stdout
     /// stderr will be piped to null. So it's non-interactive.
     ///
-    /// **Example:** `CallLuaSilently: custom.bar_function`
+    /// **Example:** `CallLuaSilently: custom.some_custom_function`
     CallLuaSilently(String),
 
     /// An alias to `Call: {command: bash, args: ["-c", "${command}"], silent: false}`

src/config.rs

@@ -84,7 +84,7 @@ pub struct NodeTypesConfig {
     pub symlink: NodeTypeConfig,
 
     #[serde(default)]
-    pub mime_essence: HashMap<String, NodeTypeConfig>,
+    pub mime_essence: HashMap<String, HashMap<String, NodeTypeConfig>>,
 
     #[serde(default)]
     pub extension: HashMap<String, NodeTypeConfig>,
@@ -110,7 +110,7 @@ impl NodeTypesConfig {
     }
 
     /// Get a reference to the node types config's mime essence.
-    pub fn mime_essence(&self) -> &HashMap<String, NodeTypeConfig> {
+    pub fn mime_essence(&self) -> &HashMap<String, HashMap<String, NodeTypeConfig>> {
         &self.mime_essence
     }
 

src/init.lua

@@ -279,7 +279,7 @@ xplr.config.general.table.col_widths = {
 xplr.config.general.table.header.cols = {
     { format = " index", style = { add_modifiers = nil, bg = nil, fg = nil, sub_modifiers = nil } },
     { format = "╭──── path", style = { add_modifiers = nil, bg = nil, fg = nil, sub_modifiers = nil } },
-    { format = "permissions", style = { add_modifiers = nil, bg = nil, fg = nil, sub_modifiers = nil } },
+    { format = " permissions", style = { add_modifiers = nil, bg = nil, fg = nil, sub_modifiers = nil } },
     { format = "size", style = { add_modifiers = nil, bg = nil, fg = nil, sub_modifiers = nil } },
     { format = "type", style = { add_modifiers = nil, bg = nil, fg = nil, sub_modifiers = nil } },
 }
@@ -2083,21 +2083,52 @@ xplr.fn.builtin.fmt_general_table_row_cols_2 = function(m)
     end
   end
 
-  local r = ""
+  local p = m.permissions
+
+  -- TODO: Track https://github.com/uttarayan21/ansi-to-tui/issues/3
+  local r = " "
+
   -- User
-  r = r .. bit("r", green, m.permissions.user_read)
+  r = r .. bit("r", green, p.user_read)
-  r = r .. bit("w", yellow, m.permissions.user_write)
+  r = r .. bit("w", yellow, p.user_write)
-  r = r .. bit("x", red, m.permissions.user_execute)
+
+  if p.user_execute == false and p.setuid == false then
+    r = r .. bit("-", red, p.user_execute)
+  elseif p.user_execute == true and p.setuid == false then
+    r = r .. bit("x", red, p.user_execute)
+  elseif p.user_execute == false and p.setuid == true then
+    r = r .. bit("S", red, p.user_execute)
+  else
+    r = r .. bit("s", red, p.user_execute)
+  end
 
   -- Group
-  r = r .. bit("r", green, m.permissions.group_read)
+  r = r .. bit("r", green, p.group_read)
-  r = r .. bit("w", yellow, m.permissions.group_write)
+  r = r .. bit("w", yellow, p.group_write)
-  r = r .. bit("x", red, m.permissions.group_execute)
+
+  if p.group_execute == false and p.setuid == false then
+    r = r .. bit("-", red, p.group_execute)
+  elseif p.group_execute == true and p.setuid == false then
+    r = r .. bit("x", red, p.group_execute)
+  elseif p.group_execute == false and p.setuid == true then
+    r = r .. bit("S", red, p.group_execute)
+  else
+    r = r .. bit("s", red, p.group_execute)
+  end
 
   -- Other
-  r = r .. bit("r", green, m.permissions.other_read)
+  r = r .. bit("r", green, p.other_read)
-  r = r .. bit("w", yellow, m.permissions.other_write)
+  r = r .. bit("w", yellow, p.other_write)
-  r = r .. bit("x", red, m.permissions.other_execute)
+
+  if p.other_execute == false and p.setuid == false then
+    r = r .. bit("-", red, p.other_execute)
+  elseif p.other_execute == true and p.setuid == false then
+    r = r .. bit("x", red, p.other_execute)
+  elseif p.other_execute == false and p.setuid == true then
+    r = r .. bit("S", red, p.other_execute)
+  else
+    r = r .. bit("s", red, p.other_execute)
+  end
 
   return r
 end

src/lua.rs

@@ -120,9 +120,9 @@ pub fn call<'lua, A: Serialize, R: Deserialize<'lua>>(
 ) -> Result<R> {
     let func = resolve_fn(&lua.globals(), func)?;
     let args = lua.to_value(args)?;
-    let msgs: mlua::Value = func.call(args)?;
+    let res: mlua::Value = func.call(args)?;
-    let msgs: R = lua.from_value(msgs)?;
+    let res: R = lua.from_value(res)?;
-    Ok(msgs)
+    Ok(res)
 }
 
 #[cfg(test)]
@@ -133,11 +133,10 @@ mod test {
     #[test]
     fn test_compatibility() {
         assert!(check_version(VERSION, "foo path").is_ok());
-        assert!(check_version("0.11.0", "foo path").is_ok());
+        assert!(check_version("0.12.0", "foo path").is_ok());
-        assert!(check_version("0.11.1", "foo path").is_ok());
 
-        assert!(check_version("0.11.2", "foo path").is_err());
+        assert!(check_version("0.12.1", "foo path").is_err());
-        assert!(check_version("0.10.1", "foo path").is_err());
+        assert!(check_version("0.10.0", "foo path").is_err());
-        assert!(check_version("1.12.1", "foo path").is_err());
+        assert!(check_version("1.12.0", "foo path").is_err());
     }
 }

src/runner.rs

@@ -26,7 +26,7 @@ fn call_lua(
     lua: &mlua::Lua,
     func: &str,
     silent: bool,
-) -> Result<Vec<app::ExternalMsg>> {
+) -> Result<Option<Vec<app::ExternalMsg>>> {
     let _focus_index = app
         .directory_buffer()
         .map(|d| d.focus())
@@ -195,7 +195,7 @@ pub fn run(
                             tx_event_reader.send(true)?;
 
                             match call_lua(&app, &lua, &func, false) {
-                                Ok(msgs) => {
+                                Ok(Some(msgs)) => {
                                     for msg in msgs {
                                         app = app.handle_task(app::Task::new(
                                             app::MsgIn::External(msg),
@@ -203,6 +203,7 @@ pub fn run(
                                         ))?;
                                     }
                                 }
+                                Ok(None) => {}
                                 Err(err) => {
                                     app = app.log_error(err.to_string())?;
                                 }
@@ -260,7 +261,7 @@ pub fn run(
                             terminal.show_cursor()?;
 
                             match call_lua(&app, &lua, &func, false) {
-                                Ok(msgs) => {
+                                Ok(Some(msgs)) => {
                                     for msg in msgs {
                                         app = app.handle_task(app::Task::new(
                                             app::MsgIn::External(msg),
@@ -268,6 +269,7 @@ pub fn run(
                                         ))?;
                                     }
                                 }
+                                Ok(None) => {}
                                 Err(err) => {
                                     app = app.log_error(err.to_string())?;
                                 }

src/ui.rs

@@ -475,6 +475,9 @@ fn draw_table<B: Backend>(
                         })
                         .unwrap_or_default();
 
+                    let (mimetype, mimesub) =
+                        node.mime_essence().split_once("/").unwrap_or_default();
+
                     let node_type = app_config
                         .node_types()
                         .special()
@@ -484,7 +487,8 @@ fn draw_table<B: Backend>(
                             app_config
                                 .node_types()
                                 .mime_essence()
-                                .get(node.mime_essence())
+                                .get(mimetype)
+                                .and_then(|t| t.get(mimesub).or_else(|| t.get("*")))
                         })
                         .unwrap_or_else(|| {
                             if node.is_symlink() {
@@ -556,20 +560,8 @@ fn draw_table<B: Backend>(
                                     c.format().as_ref().map(|f| {
                                         let out: Result<String> = lua::call(lua, f, &v);
                                         match out {
-                                            Ok(o) => {
+                                            Ok(o) => ansi_to_text(o.bytes())
-                                                let text =
+                                                .unwrap_or_else(|e| Text::raw(format!("{:?}", e))),
-                                                    ansi_to_text(o.bytes()).unwrap_or_else(|e| {
-                                                        Text::raw(format!("{:?}", e))
-                                                    });
-
-                                                // TODO: Track https://github.com/uttarayan21/ansi-to-tui/issues/2
-                                                // And https://github.com/fdehau/tui-rs/issues/304
-                                                if text.lines.is_empty() {
-                                                    Text::raw(o.to_string())
-                                                } else {
-                                                    text
-                                                }
-                                            }
                                             Err(e) => Text::raw(e.to_string()),
                                         }
                                     })