Add scaffolding CLI tool `mling`

1 files changed, 77 insertions, 0 deletions

diff --git a/mling/src/cli/read.rs b/mling/src/cli/read.rs
new file mode 100644
index 0000000..8717932
--- /dev/null
+++ b/mling/src/cli/read.rs
@@ -0,0 +1,77 @@
+use colored::Colorize;
+use std::path::PathBuf;
+
+use mingling::{
+    Groupped,
+    macros::{chain, dispatcher, pack, r_println, renderer},
+};
+use serde::Serialize;
+
+use crate::{
+    ThisProgram,
+    project_solver::{BinaryItem, solve_current_dir},
+};
+
+dispatcher!("show-target-dir", ReadTargetDirCommand => ReadTargetDirEntry);
+dispatcher!("show-workspace-root", ReadWorkspaceRootCommand => ReadWorkspaceRootEntry);
+dispatcher!("show-binaries", ReadBinariesCommand => ReadBinariesEntry);
+
+pack!(ResultDir = PathBuf);
+pack!(ResultTargetDirNotFound = ());
+
+#[derive(Debug, Serialize, Default, Groupped)]
+pub(crate) struct ResultBinaries {
+    bin: Vec<BinaryItem>,
+}
+
+#[chain]
+pub(crate) fn handle_target_dir_entry(_prev: ReadTargetDirEntry) -> NextProcess {
+    match solve_current_dir() {
+        Ok(solved) => {
+            let dir = solved.target_dir;
+            ResultDir::new(dir).to_render()
+        }
+        Err(_) => ResultTargetDirNotFound::new(()).to_render(),
+    }
+}
+
+#[chain]
+pub(crate) fn handle_workspace_root_entry(_prev: ReadWorkspaceRootEntry) -> NextProcess {
+    match solve_current_dir() {
+        Ok(solved) => {
+            let dir = solved.workspace_root;
+            ResultDir::new(dir).to_render()
+        }
+        Err(_) => ResultTargetDirNotFound::new(()).to_render(),
+    }
+}
+
+#[chain]
+pub(crate) fn handle_binaries_entry(_prev: ReadBinariesEntry) -> NextProcess {
+    match solve_current_dir() {
+        Ok(solved) => {
+            let binaries = solved.binaries;
+            ResultBinaries { bin: binaries }.to_render()
+        }
+        Err(_) => ResultTargetDirNotFound::new(()).to_render(),
+    }
+}
+
+#[renderer]
+pub(crate) fn render_dir(prev: ResultDir) {
+    r_println!("{}", prev.inner.display())
+}
+
+#[renderer]
+pub(crate) fn render_binaries(prev: ResultBinaries) {
+    let mut i = 1;
+    for item in prev.bin.iter() {
+        r_println!(
+            "{}. {} ({})",
+            i.to_string(),
+            item.name.bold(),
+            item.path.to_string_lossy().underline().bright_cyan()
+        );
+        i += 1;
+    }
+}