Add cmdliner

2 files changed, 30 insertions, 10 deletions

diff --git a/bin/dune b/bin/dune
index ce5ed03..4a29c86 100644
--- a/bin/dune
+++ b/bin/dune
@@ -2,5 +2,6 @@
  (public_name fixgen)
  (name main)
  (libraries 
+   cmdliner
    fixgen)
  )
diff --git a/bin/main.ml b/bin/main.ml
index 6942382..c964c5e 100644
--- a/bin/main.ml
+++ b/bin/main.ml
@@ -1,4 +1,5 @@
 open Fixgen
+open Cmdliner
 
 let parse (s : string) =
   let lexbuf = Lexing.from_string s in
@@ -6,13 +7,31 @@ let parse (s : string) =
   ast
 
 
-let () =
-  let result = parse "user: id uuidv4, uh uuidv4\npurchases: id uuidv4, pid user.id" in
-  match result with
-  | Some ast ->
-    Ast_types.compile ast ~amount:4
-    |> List.iter (fun (name, file) ->
-      let result = Fixture.csv_of_generated_fixtures file in
-      print_endline ("FILE NAME: " ^ name);
-      print_endline result)
-  | None -> print_endline "error"
+let fixgen content output_type () =
+  let result = parse content in
+  if output_type != "csv"
+  then print_endline "Only csv output is supported"
+  else (
+    match result with
+    | Some ast ->
+      Ast_types.compile ast ~amount:4
+      |> List.iter (fun (name, file) ->
+        let result = Fixture.csv_of_generated_fixtures file in
+        print_endline ("FILE NAME: " ^ name);
+        print_endline result)
+    | None -> print_endline "error")
+
+
+let file =
+  let doc = "Fixgen content" in
+  Arg.(required & pos 0 (some string) None & info [] ~docv:"PROGRAM" ~doc)
+
+
+let output_type =
+  let doc = "Set output file type, supported=csv" in
+  Arg.(value & opt string "csv" & info [ "f"; "file-type" ] ~docv:"FILE TYPE" ~doc)
+
+
+let fixgen_t = Term.(const fixgen $ file $ output_type $ const ())
+let cmd = Cmd.v (Cmd.info "fixgen") fixgen_t
+let () = exit (Cmd.eval cmd)