kosuzu/cmd/txt/index.ml
yakumo.izuru 758d1d6d47 Because sweet girls are the best, officially rebranding Logarion to Kosuzu
Signed-off-by: Izuru Yakumo <yakumo.izuru@chaotic.ninja>

git-svn-id: file:///srv/svn/repo/kosuzu/trunk@73 eb64cd80-c68d-6f47-b6a3-0ada418499da
2024-08-22 16:32:00 +00:00

94 lines
3.8 KiB
OCaml

open Kosuzu
let text_editor name x =
let fname, out = Filename.open_temp_file name "" in
output_string out x; flush out;
let r = match Unix.system ("$EDITOR " ^ fname) with
| Unix.WEXITED 0 ->
let inp = open_in fname in
let line = input_line inp in
close_in inp; line
| _ -> failwith "Failed launching editor to edit value" in
close_out out;
Unix.unlink fname;
r
let text_editor_lines name x =
let fname, out = Filename.open_temp_file name "" in
List.iter (fun s -> output_string out (s ^ "\n")) x; flush out;
let r = match Unix.system ("$EDITOR " ^ fname) with
| Unix.WEXITED 0 ->
let inp = open_in fname in
let lines =
let rec acc a =
try let a = String.trim (input_line inp) :: a in acc a
with End_of_file -> a in
acc [] in
close_in inp; lines
| _ -> failwith "Failed launching editor to edit value" in
close_out out;
Unix.unlink fname;
r
let print_pack pck =
let s ss = String.concat "\n\t" ss in
let open Header_pack in
Printf.printf "Id: %s\nTitle: %s\nAuthors: %s\nLocations:\n\t%s\nPeers:\n\t%s\n"
pck.info.id pck.info.title (String.concat "," pck.info.people)
(s pck.info.locations) (s (to_str_list pck.peers))
type t = { dir : string; index_path: string; pck : Header_pack.t }
let index r print title auth locs peers =
let edit name index param = if print then index else match param with
| Some "" -> text_editor name index | Some p -> p
| None -> index in
let edits name index param = if print then index else match param with
| Some "" -> text_editor_lines name index | Some p -> String_set.list_of_csv p
| None -> index in
let edits_mp name index param = if print then index else match param with
| Some "" -> Header_pack.str_list (text_editor_lines name (Header_pack.to_str_list index))
| Some p -> Header_pack.str_list (String_set.list_of_csv p)
| None -> index in
let info = Header_pack.{ r.pck.info with
title = edit "Title" r.pck.info.title title;
people = edits "People" r.pck.info.people auth;
locations = edits "Locations" r.pck.info.locations locs;
} in
let pack = Header_pack.{ info; fields;
texts = of_text_list @@ File_store.fold ~dir:r.dir (fun a (t,_) -> of_text a t) [];
peers = edits_mp "Peers" r.pck.peers peers;
} in
if print then print_pack pack
else (File_store.file r.index_path (Header_pack.string pack))
let load dir =
let kv = File_store.of_kv_file () in
let index_path = Filename.concat dir "index.pck" in
index { dir; index_path; pck = Header_pack.of_kv kv }
open Cmdliner
let print = Arg.(value & flag & info ["print"] ~doc: "Print info")
let title = Arg.(value & opt ~vopt:(Some "") (some string) None & info ["t"; "title"] ~docv: "string" ~doc: "Title for index")
let auth = Arg.(value & opt ~vopt:(Some "") (some string) None & info ["a"; "authors"] ~docv: "Comma-separated names" ~doc: "Index authors")
let locs = Arg.(value & opt ~vopt:(Some "") (some string) None & info ["l"; "location"] ~docv: "Comma-separated URLs" ~doc: "Repository URLs")
let peers = Arg.(value & opt ~vopt:(Some "") (some string) None & info ["p"; "peers"] ~docv: "Comma-separated URLs" ~doc: "URLs to other known text repositories")
let dir = Arg.(value & pos 0 string "." & info [] ~docv: "Directory to index")
let index_t = Term.(const load $ dir $ print $ title $ auth $ locs $ peers)
let cmd =
let doc = "Generate an index.pck for texts in a directory" in
let man = [
`S Manpage.s_description;
`P "An index contains:\n";
`P "* n info section with: title for the index, the authors, locations (URLs) the texts can be accessed.";
`P "* listing of texts with: ID, date, title, authors, topics.";
`P "* list of other text repositories (peers)";
`S Manpage.s_environment;
`P "EDITOR - Default editor name";
`S Manpage.s_see_also;
`P "MessagePack format. https://msgpack.org" ] in
let info = Cmd.info "index" ~doc ~man in
Cmd.v info index_t