Add helpdoc system with interactive viewer

1 files changed, 49 insertions, 0 deletions

diff --git a/src/cmds/cmd/helpdoc.rs b/src/cmds/cmd/helpdoc.rs
new file mode 100644
index 0000000..8b692ee
--- /dev/null
+++ b/src/cmds/cmd/helpdoc.rs
@@ -0,0 +1,49 @@
+use crate::{
+    cmd_output,
+    cmds::{
+        arg::helpdoc::JVHelpdocArgument, collect::empty::JVEmptyCollect,
+        r#in::helpdoc::JVHelpdocInput, out::none::JVNoneOutput,
+    },
+    systems::{
+        cmd::{
+            cmd_system::JVCommandContext,
+            errors::{CmdExecuteError, CmdPrepareError},
+        },
+        helpdoc::helpdoc_viewer,
+    },
+};
+use cmd_system_macros::exec;
+use std::any::TypeId;
+
+pub struct JVHelpdocCommand;
+type Cmd = JVHelpdocCommand;
+type Arg = JVHelpdocArgument;
+type In = JVHelpdocInput;
+type Collect = JVEmptyCollect;
+
+async fn help_str() -> String {
+    helpdoc_viewer::display("Welcome_To_JVCS").await;
+    String::new()
+}
+
+async fn prepare(args: &Arg, ctx: &JVCommandContext) -> Result<In, CmdPrepareError> {
+    Ok(JVHelpdocInput {
+        name: args.doc_name.clone(),
+        lang: ctx.lang.clone(),
+    })
+}
+
+async fn collect(_args: &Arg, _ctx: &JVCommandContext) -> Result<Collect, CmdPrepareError> {
+    Ok(JVEmptyCollect)
+}
+
+#[exec]
+async fn exec(
+    input: In,
+    _collect: Collect,
+) -> Result<(Box<dyn std::any::Any + Send + 'static>, TypeId), CmdExecuteError> {
+    helpdoc_viewer::display_with_lang(&input.name.as_str(), &input.lang.as_str()).await;
+    cmd_output!(JVNoneOutput => JVNoneOutput)
+}
+
+crate::command_template!();