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Copyright © 2011 MLstate
This file is part of OPA.
OPA is free software: you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License, version 3, as published by
the Free Software Foundation.
OPA is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
more details.
You should have received a copy of the GNU Affero General Public License
along with OPA. If not, see <>.
Application for testing citations.
@author Mathieu Barbin
(* depends *)
module Arg = Base.Arg
module String = Base.String
This is a unit test for FilePos, but it can seen as a tool (installed in MLSTATELIBS/bin)
let def = FilePos.default_options
let truncate_lines = ref (def.FilePos.truncate_lines)
let lines_before = ref (def.FilePos.lines_before)
let lines_after = ref (def.FilePos.lines_after)
let lines_between = ref (def.FilePos.lines_between)
let color = ref (def.FilePos.color)
let max_length_citation = ref (def.FilePos.max_length_citation)
let defi = function None -> "none" | Some i -> string_of_int i
let int2 s =
let a, b = String.split_char ',' s in
int_of_string a, int_of_string b
| Failure "int_of_string" ->
prerr_endline "Expected format for --range : %d,%d (e.g. 35,67)";
exit 2
let positions, options =
let positions = ref (FilePos.nopos "nothing") in
let current_file = ref "default" in
let add_file file =
current_file := file ;
FilePos.add_file file (File.content file)
let add_range s =
let start, stop = int2 s in
let pos = FilePos.make_pos !current_file start stop in
positions := FilePos.merge_pos !positions pos
let add_line line =
let pos = FilePos.make_pos_from_line !current_file line in
positions := FilePos.merge_pos !positions pos
let _ = Arg.parse (Arg.align (Arg.sort
"--file", Arg.String add_file, "%s Add a file for citation";
"--range", Arg.String add_range, "%d,%d Add a char range to the current file";
"--line", Arg.Int add_line, "%d Add a single line of the current file";
"--truncate-lines", Arg.Int (fun i -> truncate_lines := Some i),
Printf.sprintf "%%d Truncate lines longer than an int(default is %s)" (defi !truncate_lines);
"--lines-before", Arg.Set_int lines_before,
Printf.sprintf "%%d Set the number of lines before the first citation (default is %d)" !lines_before;
"--lines-after", Arg.Set_int lines_after,
Printf.sprintf "%%d Set the number of lines after the last citation (default is %d)" !lines_after;
"--lines-between", Arg.Set_int lines_between,
Printf.sprintf "%%d Set the number of lines between 2 citations (default is %d)" !lines_between;
"--color", Arg.Symbol (("none"::Ansi.symbols),
(fun s -> color := Ansi.color_of_string s)),
" Choose a color for the cited ranges";
"--max-length-citation", Arg.Int (fun i -> max_length_citation := Some i),
Printf.sprintf "%%d Set a maximal for the length of a citation (default is %s)" (defi !max_length_citation);
(fun _ -> prerr_endline "anonymous argument not allowed\ntry --help"; exit 2)
"citation extractor"
let options = { FilePos.
truncate_lines = !truncate_lines ;
lines_before = !lines_before ;
lines_after = !lines_after ;
lines_between = !lines_between ;
color = !color ;
max_length_citation = !max_length_citation ;
} in
!positions, options
let _ =
FilePos.citation ~options Format.std_formatter positions
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