Add terminal colored rendering and guide text

1 files changed, 38 insertions, 8 deletions

diff --git a/mling/src/cli.rs b/mling/src/cli.rs
index ed5dd06..65ba02a 100644
--- a/mling/src/cli.rs
+++ b/mling/src/cli.rs
@@ -1,9 +1,11 @@
 use mingling::{
-    macros::renderer,
+    macros::{r_println, renderer},
     setup::{BasicProgramSetup, GeneralRendererSetup},
 };
 
-use crate::{__completion_gen::CompletionDispatcher, DispatcherNotFound, ThisProgram};
+use crate::{
+    __completion_gen::CompletionDispatcher, DispatcherNotFound, ThisProgram, display::markdown,
+};
 
 pub mod list;
 pub use list::*;
@@ -18,28 +20,56 @@ pub mod install;
 pub use install::*;
 
 pub fn cli_entry() {
+    // Facade
+    if std::env::args().len() == 1 {
+        println!("{}", include_str!("../res/guide.txt").trim_end());
+        return;
+    }
+
     let mut program = ThisProgram::new();
 
+    // Plugins
     program.with_setup(BasicProgramSetup);
     program.with_setup(GeneralRendererSetup);
     program.with_dispatcher(CompletionDispatcher);
 
+    // Help
+    if program.user_context.help {
+        println!(
+            "{}",
+            markdown(include_str!("../res/help-mling.txt").trim_end())
+        );
+        return;
+    }
+
+    // Context query commands
     program.with_dispatcher(ListInstalledCommand);
     program.with_dispatchers((
+        ReadTargetDirCommand,
+        ReadWorkspaceRootCommand,
+        ReadBinariesCommand,
+    ));
+
+    // Namespace manage commands
+    program.with_dispatchers((
         TrustNamespaceCommand,
         UntrustNamespaceCommand,
         SetTrustNamespaceCommand,
         RemoveNamespaceCommand,
     ));
+
+    // Install binaries command
     program.with_dispatcher(InstallCommand);
-    program.with_dispatchers((
-        ReadTargetDirCommand,
-        ReadWorkspaceRootCommand,
-        ReadBinariesCommand,
-    ));
+
+    // Colored Setup
+    #[cfg(windows)]
+    colored::control::set_virtual_terminal(true).unwrap();
 
     program.exec();
 }
 
 #[renderer]
-pub(crate) fn render_help(_prev: DispatcherNotFound) {}
+pub(crate) fn fallback_disp(prev: DispatcherNotFound) {
+    r_println!("Error: command \"{}\" not found!", prev.join(" "));
+    r_println!("Use \"mling --help\" for more information.");
+}