treewide: move rom's parser logic to cognos

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I6a6a6964960ab80b5555a6cca7b20e11c8ac0ea2

cognos/src/lib.rs

@@ -9,4 +9,13 @@ pub use aterm::{
   parse_drv_file,
 };
 pub use internal_json::{Actions, Activities, Id, Verbosity};
-pub use state::{BuildInfo, BuildStatus, Derivation, Host, State};
+pub use state::{BuildInfo, BuildStatus, Derivation, Host, OutputName, State, ProgressState};
+
+/// Process a list of actions and return the resulting state
+pub fn process_actions(actions: Vec<Actions>) -> State {
+  let mut state = State { progress: ProgressState::JustStarted };
+  for action in actions {
+    state.imbibe(action);
+  }
+  state
+}

cognos/src/state.rs

@@ -18,12 +18,14 @@ pub enum BuildStatus {
   Failed,
 }
 
-pub enum Progress {
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub enum ProgressState {
   JustStarted,
   InputReceived,
   Finished,
 }
 
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub enum OutputName {
   Out,
   Doc,
@@ -36,9 +38,37 @@ pub enum OutputName {
   Other(String),
 }
 
+impl OutputName {
+  #[must_use]
+  pub fn parse(name: &str) -> Self {
+    match name.to_lowercase().as_str() {
+      "out" => Self::Out,
+      "doc" => Self::Doc,
+      "dev" => Self::Dev,
+      "bin" => Self::Bin,
+      "info" => Self::Info,
+      "lib" => Self::Lib,
+      "man" => Self::Man,
+      "dist" => Self::Dist,
+      _ => Self::Other(name.to_string()),
+    }
+  }
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub enum Host {
-  Local,
-  Host(String),
+  Localhost,
+  Remote(String),
+}
+
+impl Host {
+  #[must_use]
+  pub fn name(&self) -> &str {
+    match self {
+      Self::Localhost => "localhost",
+      Self::Remote(name) => name,
+    }
+  }
 }
 
 pub struct Derivation {
@@ -65,9 +95,9 @@ pub struct Dependencies {
 
 // #[derive(Default)]
 pub struct State {
-  progress: Progress,
+  pub progress: ProgressState,
 }
 
 impl State {
   pub fn imbibe(&mut self, update: Actions) {}
-}
+}

rom/src/cli.rs

@@ -6,6 +6,7 @@ use std::{
 };
 
 use clap::Parser;
+use cognos::ProgressState;
 
 #[derive(Debug, Parser)]
 #[command(name = "rom", version, about = "ROM - A Nix build output monitor")]
@@ -582,7 +583,7 @@ fn run_monitored_command(
 
       if !silent {
         if has_activity
-          || state.progress_state != crate::state::ProgressState::JustStarted
+          || state.progress_state != ProgressState::JustStarted
         {
           // Clear any previous timer display
           if last_timer_display.is_some() {

rom/src/display.rs

@@ -66,7 +66,6 @@ pub struct Display<W: Write> {
   writer:           W,
   config:           DisplayConfig,
   last_lines:       usize,
-  using_alt_screen: bool,
 }
 
 struct TreeNode {
@@ -80,7 +79,6 @@ impl<W: Write> Display<W> {
       writer,
       config,
       last_lines: 0,
-      using_alt_screen: false,
     })
   }
 
@@ -860,27 +858,7 @@ impl<W: Write> Display<W> {
     lines
   }
 
-  fn is_active_or_has_active_descendants(
-    &self,
-    state: &State,
-    drv_id: DerivationId,
-  ) -> bool {
-    if let Some(info) = state.get_derivation_info(drv_id) {
-      match info.build_status {
-        BuildStatus::Building(_) => return true,
-        BuildStatus::Failed { .. } => return true,
-        _ => {},
-      }
 
-      // Check children
-      for input in &info.input_derivations {
-        if self.is_active_or_has_active_descendants(state, input.derivation) {
-          return true;
-        }
-      }
-    }
-    false
-  }
 
   fn build_active_forest(
     &self,

rom/src/monitor.rs

@@ -12,6 +12,7 @@ use crate::{
   types::{Config, InputMode},
   update,
 };
+use cognos::Host;
 
 /// Main monitor that processes nix output and displays progress
 pub struct Monitor<W: Write> {
@@ -152,7 +153,7 @@ impl<W: Write> Monitor<W> {
 
           let build_info = crate::state::BuildInfo {
             start:       now,
-            host:        crate::state::Host::Localhost,
+            host:        Host::Localhost,
             estimate:    None,
             activity_id: None,
           };
@@ -175,7 +176,7 @@ impl<W: Write> Monitor<W> {
 
           let transfer = crate::state::TransferInfo {
             start:             now,
-            host:              crate::state::Host::Localhost,
+            host:              Host::Localhost,
             activity_id:       0, // No activity ID in human mode
             bytes_transferred: 0,
             total_bytes:       None,

rom/src/state.rs

@@ -6,7 +6,7 @@ use std::{
   time::{Duration, SystemTime},
 };
 
-use cognos::Id;
+use cognos::{Host, Id, OutputName, ProgressState};
 use indexmap::IndexMap;
 
 /// Unique identifier for store paths
@@ -18,35 +18,9 @@ pub type DerivationId = usize;
 /// Unique identifier for activities
 pub type ActivityId = Id;
 
-/// Overall progress state
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum ProgressState {
-  JustStarted,
-  InputReceived,
-  Finished,
-}
 
-/// Build host information
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub enum Host {
-  Localhost,
-  Remote(String),
-}
 
-impl Host {
-  #[must_use]
-  pub const fn is_local(&self) -> bool {
-    matches!(self, Self::Localhost)
-  }
 
-  #[must_use]
-  pub fn name(&self) -> &str {
-    match self {
-      Self::Localhost => "localhost",
-      Self::Remote(name) => name,
-    }
-  }
-}
 
 /// Store path representation
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
@@ -111,36 +85,8 @@ impl Derivation {
   }
 }
 
-/// Output name for derivations
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub enum OutputName {
-  Out,
-  Doc,
-  Dev,
-  Bin,
-  Info,
-  Lib,
-  Man,
-  Dist,
-  Other(String),
-}
 
-impl OutputName {
-  #[must_use]
-  pub fn parse(name: &str) -> Self {
-    match name.to_lowercase().as_str() {
-      "out" => Self::Out,
-      "doc" => Self::Doc,
-      "dev" => Self::Dev,
-      "bin" => Self::Bin,
-      "info" => Self::Info,
-      "lib" => Self::Lib,
-      "man" => Self::Man,
-      "dist" => Self::Dist,
-      _ => Self::Other(name.to_string()),
-    }
-  }
-}
+
 
 /// Transfer information (download/upload)
 #[derive(Debug, Clone)]
@@ -603,7 +549,7 @@ impl State {
         // Create output set
         let mut output_set = HashSet::new();
         for output in outputs {
-          output_set.insert(parse_output_name(&output));
+          output_set.insert(OutputName::parse(&output));
         }
 
         // Add to parent's input derivations
@@ -728,19 +674,7 @@ pub fn current_time() -> f64 {
     .as_secs_f64()
 }
 
-fn parse_output_name(name: &str) -> OutputName {
-  match name {
-    "out" => OutputName::Out,
-    "doc" => OutputName::Doc,
-    "dev" => OutputName::Dev,
-    "bin" => OutputName::Bin,
-    "info" => OutputName::Info,
-    "lib" => OutputName::Lib,
-    "man" => OutputName::Man,
-    "dist" => OutputName::Dist,
-    _ => OutputName::Other(name.to_string()),
-  }
-}
+
 
 #[cfg(test)]
 mod tests {

rom/src/update.rs

@@ -1,6 +1,6 @@
 //! State update logic for processing nix messages
 
-use cognos::{Actions, Activities, Id, Verbosity};
+use cognos::{Actions, Activities, Host, Id, ProgressState, Verbosity};
 use tracing::{debug, trace};
 
 use crate::state::{
@@ -14,10 +14,7 @@ use crate::state::{
   DerivationId,
   FailType,
   FailedBuildInfo,
-  Host,
   InputDerivation,
-  OutputName,
-  ProgressState,
   State,
   StorePath,
   StorePathId,
@@ -887,17 +884,5 @@ pub fn finish_state(state: &mut State) {
   }
 }
 
-/// Parse output name string to `OutputName` enum
-fn parse_output_name(s: &str) -> Option<OutputName> {
-  match s {
-    "out" => Some(OutputName::Out),
-    "doc" => Some(OutputName::Doc),
-    "dev" => Some(OutputName::Dev),
-    "bin" => Some(OutputName::Bin),
-    "info" => Some(OutputName::Info),
-    "lib" => Some(OutputName::Lib),
-    "man" => Some(OutputName::Man),
-    "dist" => Some(OutputName::Dist),
-    other => Some(OutputName::Other(other.to_string())),
-  }
-}
+
+