src/Pure/Thy/present.ML
author wenzelm
Mon Mar 11 14:25:14 2013 +0100 (2013-03-11)
changeset 51398 c3d02b3518c2
parent 51293 05b1bbae748d
child 51399 6ac3c29a300e
permissions -rw-r--r--
discontinued "isabelle usedir" option -P (remote path);
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(*  Title:      Pure/Thy/present.ML
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    Author:     Markus Wenzel and Stefan Berghofer, TU Muenchen
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Theory presentation: HTML, graph files, (PDF)LaTeX documents.
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*)
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signature BASIC_PRESENT =
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sig
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  val no_document: ('a -> 'b) -> 'a -> 'b  (*not thread-safe!*)
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end;
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signature PRESENT =
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sig
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  include BASIC_PRESENT
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  val session_name: theory -> string
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  val read_variant: string -> string * string
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  val init: bool -> bool -> string -> string -> bool -> string -> (string * string) list ->
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    string list -> string -> bool * string -> bool -> theory list -> unit  (*not thread-safe!*)
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  val finish: unit -> unit  (*not thread-safe!*)
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  val init_theory: string -> unit
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  val theory_source: string -> (unit -> HTML.text) -> unit
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  val theory_output: string -> string -> unit
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  val begin_theory: int -> Path.T -> theory -> theory
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  val drafts: string -> Path.T list -> Path.T
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end;
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structure Present: PRESENT =
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struct
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(** paths **)
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val tex_ext = Path.ext "tex";
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val tex_path = tex_ext o Path.basic;
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val html_ext = Path.ext "html";
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val html_path = html_ext o Path.basic;
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val index_path = Path.basic "index.html";
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val readme_html_path = Path.basic "README.html";
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val readme_path = Path.basic "README";
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val documentN = "document";
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val document_path = Path.basic documentN;
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val doc_indexN = "session";
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val graph_path = Path.basic "session.graph";
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val graph_pdf_path = Path.basic "session_graph.pdf";
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val graph_eps_path = Path.basic "session_graph.eps";
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val session_path = Path.basic ".session";
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val session_entries_path = Path.explode ".session/entries";
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val pre_index_path = Path.explode ".session/pre-index";
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fun mk_rel_path [] ys = Path.make ys
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  | mk_rel_path xs [] = Path.appends (replicate (length xs) Path.parent)
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  | mk_rel_path (ps as x :: xs) (qs as y :: ys) =
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      if x = y then mk_rel_path xs ys
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      else Path.appends (replicate (length ps) Path.parent @ [Path.make qs]);
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fun show_path path = Path.implode (Path.append (File.pwd ()) path);
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(** additional theory data **)
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structure Browser_Info = Theory_Data
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(
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  type T = {name: string, session: string list};
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  val empty = {name = "", session = []}: T;
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  fun extend _ = empty;
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  fun merge _ = empty;
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);
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val put_info = Browser_Info.put;
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val get_info = Browser_Info.get;
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val session_name = #name o get_info;
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(** graphs **)
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fun ID_of sess s = space_implode "/" (sess @ [s]);
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fun ID_of_thy thy = ID_of (#session (get_info thy)) (Context.theory_name thy);
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(*retrieve graph data from initial collection of theories*)
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fun init_graph curr_sess = rev o map (fn thy =>
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  let
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    val name = Context.theory_name thy;
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    val {name = sess_name, session} = get_info thy;
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    val entry =
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     {name = name, ID = ID_of session name, dir = sess_name,
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      path =
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        if null session then ""
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        else Path.implode (Path.append (mk_rel_path curr_sess session) (html_path name)),
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      unfold = false,
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      parents = map ID_of_thy (Theory.parents_of thy),
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      content = []};
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  in (0, entry) end);
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fun ins_graph_entry (i, entry as {ID, ...}) (gr: (int * Graph_Display.node) list) =
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  (i, entry) :: filter_out (fn (_, entry') => #ID entry' = ID) gr;
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(** global browser info state **)
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(* type theory_info *)
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type theory_info = {tex_source: Buffer.T, html_source: Buffer.T, html: Buffer.T};
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fun make_theory_info (tex_source, html_source, html) =
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  {tex_source = tex_source, html_source = html_source, html = html}: theory_info;
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val empty_theory_info = make_theory_info (Buffer.empty, Buffer.empty, Buffer.empty);
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fun map_theory_info f {tex_source, html_source, html} =
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  make_theory_info (f (tex_source, html_source, html));
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(* type browser_info *)
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type browser_info = {theories: theory_info Symtab.table, files: (Path.T * string) list,
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  tex_index: (int * string) list, html_index: (int * string) list,
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  graph: (int * Graph_Display.node) list};
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fun make_browser_info (theories, files, tex_index, html_index, graph) =
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  {theories = theories, files = files, tex_index = tex_index, html_index = html_index,
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    graph = graph}: browser_info;
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val empty_browser_info = make_browser_info (Symtab.empty, [], [], [], []);
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fun init_browser_info curr_sess thys = make_browser_info
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  (Symtab.empty, [], [], [], init_graph curr_sess thys);
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fun map_browser_info f {theories, files, tex_index, html_index, graph} =
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  make_browser_info (f (theories, files, tex_index, html_index, graph));
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(* state *)
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val browser_info = Unsynchronized.ref empty_browser_info;
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fun change_browser_info f =
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  CRITICAL (fn () => Unsynchronized.change browser_info (map_browser_info f));
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val suppress_tex_source = Unsynchronized.ref false;
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fun no_document f x = Unsynchronized.setmp suppress_tex_source true f x;
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fun init_theory_info name info =
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  change_browser_info (fn (theories, files, tex_index, html_index, graph) =>
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    (Symtab.update (name, info) theories, files, tex_index, html_index, graph));
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fun change_theory_info name f =
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  change_browser_info (fn (theories, files, tex_index, html_index, graph) =>
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    (case Symtab.lookup theories name of
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      NONE => error ("Browser info: cannot access theory document " ^ quote name)
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    | SOME info => (Symtab.update (name, map_theory_info f info) theories, files,
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        tex_index, html_index, graph)));
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fun add_file file =
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  change_browser_info (fn (theories, files, tex_index, html_index, graph) =>
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    (theories, file :: files, tex_index, html_index, graph));
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fun add_tex_index txt =
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  change_browser_info (fn (theories, files, tex_index, html_index, graph) =>
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    (theories, files, txt :: tex_index, html_index, graph));
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fun add_html_index txt =
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  change_browser_info (fn (theories, files, tex_index, html_index, graph) =>
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    (theories, files, tex_index, txt :: html_index, graph));
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fun add_graph_entry entry =
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  change_browser_info (fn (theories, files, tex_index, html_index, graph) =>
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    (theories, files, tex_index, html_index, ins_graph_entry entry graph));
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fun add_tex_source name txt =
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  if ! suppress_tex_source then ()
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  else change_theory_info name (fn (tex_source, html_source, html) =>
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    (Buffer.add txt tex_source, html_source, html));
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fun add_html_source name txt = change_theory_info name (fn (tex_source, html_source, html) =>
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  (tex_source, Buffer.add txt html_source, html));
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(** global session state **)
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(* session_info *)
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type session_info =
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  {name: string, parent: string, session: string, path: string list, html_prefix: Path.T,
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    info: bool, doc_format: string, doc_graph: bool, doc_output: Path.T option,
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    documents: (string * string) list, doc_dump: (bool * string), verbose: bool,
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    readme: Path.T option};
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fun make_session_info
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  (name, parent, session, path, html_prefix, info, doc_format, doc_graph, doc_output,
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    documents, doc_dump, verbose, readme) =
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  {name = name, parent = parent, session = session, path = path, html_prefix = html_prefix,
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    info = info, doc_format = doc_format, doc_graph = doc_graph, doc_output = doc_output,
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    documents = documents, doc_dump = doc_dump, verbose = verbose,
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    readme = readme}: session_info;
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(* state *)
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val session_info = Unsynchronized.ref (NONE: session_info option);
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fun session_default x f = (case ! session_info of NONE => x | SOME info => f info);
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(** document preparation **)
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(* maintain session index *)
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val session_entries =
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  HTML.session_entries o
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    map (fn name => (Url.File (Path.append (Path.basic name) index_path), name));
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fun get_entries dir =
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  split_lines (File.read (Path.append dir session_entries_path));
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fun put_entries entries dir =
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  File.write (Path.append dir session_entries_path) (cat_lines entries);
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fun create_index dir =
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  File.read (Path.append dir pre_index_path) ^
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    session_entries (get_entries dir) ^ HTML.end_document
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  |> File.write (Path.append dir index_path);
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fun update_index dir name =
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  (case try get_entries dir of
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    NONE => warning ("Browser info: cannot access session index of " ^ Path.print dir)
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  | SOME es => (put_entries ((remove (op =) name es) @ [name]) dir; create_index dir));
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(* document variants *)
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fun read_variant str =
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  (case space_explode "=" str of
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    [name] => (name, "")
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  | [name, tags] => (name, tags)
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  | _ => error ("Malformed document variant specification: " ^ quote str));
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(* init session *)
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fun name_of_session elems = space_implode "/" ("Isabelle" :: elems);
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fun init build info info_path doc doc_graph document_output doc_variants path name
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    (doc_dump as (_, dump_prefix)) verbose thys =
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  if not build andalso not info andalso doc = "" andalso dump_prefix = "" then
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    (browser_info := empty_browser_info; session_info := NONE)
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  else
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    let
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      val parent_name = name_of_session (take (length path - 1) path);
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      val session_name = name_of_session path;
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      val sess_prefix = Path.make path;
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      val html_prefix = Path.append (Path.expand (Path.explode info_path)) sess_prefix;
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      val doc_output = if document_output = "" then NONE else SOME (Path.explode document_output);
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      val documents =
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        if doc = "" then []
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        else if not (can File.check_dir document_path) then
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          (if verbose then Output.physical_stderr "Warning: missing document directory\n"
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           else (); [])
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        else doc_variants;
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      val parent_index_path = Path.append Path.parent index_path;
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      val index_up_lnk = Url.File parent_index_path;
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      val readme =
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        if File.exists readme_html_path then SOME readme_html_path
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        else if File.exists readme_path then SOME readme_path
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        else NONE;
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      val docs =
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        (case readme of NONE => [] | SOME p => [(Url.File p, "README")]) @
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          map (fn (name, _) => (Url.File (Path.ext doc (Path.basic name)), name)) documents;
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      val index_text = HTML.begin_index (index_up_lnk, parent_name)
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        (Url.File index_path, session_name) docs (Url.explode "medium.html");
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    in
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      session_info :=
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        SOME (make_session_info (name, parent_name, session_name, path, html_prefix, info, doc,
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          doc_graph, doc_output, documents, doc_dump, verbose, readme));
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      browser_info := init_browser_info path thys;
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      add_html_index (0, index_text)
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    end;
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(* isabelle tool wrappers *)
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fun isabelle_document {verbose, purge} format name tags dir =
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  let
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    val s = "\"$ISABELLE_TOOL\" document" ^ (if purge then " -c" else "") ^ " -o '" ^ format ^ "' \
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      \-n '" ^ name ^ "' -t '" ^ tags ^ "' " ^ File.shell_path dir ^ " 2>&1";
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    val doc_path = Path.appends [dir, Path.parent, Path.basic name |> Path.ext format];
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    val _ = if verbose then writeln s else ();
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    val (out, rc) = Isabelle_System.bash_output s;
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    val _ =
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      if not (File.exists doc_path) orelse rc <> 0 then
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        cat_error out ("Failed to build document " ^ quote (show_path doc_path))
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      else if verbose then writeln out
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      else ();
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  in doc_path end;
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fun isabelle_browser graph = Isabelle_System.with_tmp_dir "browser" (fn dir =>
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  let
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    val pdf_path = Path.append dir graph_pdf_path;
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    val eps_path = Path.append dir graph_eps_path;
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    val graph_path = Path.append dir graph_path;
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    val _ = Graph_Display.write_graph_browser graph_path graph;
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    val args = "-o " ^ File.shell_path pdf_path ^ " " ^ File.shell_path graph_path;
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  in
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    if Isabelle_System.isabelle_tool "browser" args = 0 andalso
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      File.exists pdf_path andalso File.exists eps_path
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    then (File.read pdf_path, File.read eps_path)
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    else error "Failed to prepare dependency graph"
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  end);
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(* finish session -- output all generated text *)
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fun sorted_index index = map snd (sort (int_ord o pairself fst) (rev index));
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fun index_buffer index = Buffer.add (implode (sorted_index index)) Buffer.empty;
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fun write_tex src name path =
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  File.write_buffer (Path.append path (tex_path name)) src;
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fun write_tex_index tex_index path =
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  write_tex (index_buffer tex_index |> Buffer.add Latex.tex_trailer) doc_indexN path;
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fun finish () =
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  session_default () (fn {name, info, html_prefix, doc_format, doc_graph, doc_output,
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    documents, doc_dump = (dump_copy, dump_prefix), path, verbose, readme, ...} =>
wenzelm@7727
   336
  let
wenzelm@11856
   337
    val {theories, files, tex_index, html_index, graph} = ! browser_info;
wenzelm@11856
   338
    val thys = Symtab.dest theories;
wenzelm@9416
   339
    val parent_html_prefix = Path.append html_prefix Path.parent;
wenzelm@7727
   340
wenzelm@11856
   341
    fun finish_html (a, {html, ...}: theory_info) =
wenzelm@28027
   342
      File.write_buffer (Path.append html_prefix (html_path a)) (Buffer.add HTML.end_document html);
wenzelm@11856
   343
wenzelm@24150
   344
    val sorted_graph = sorted_index graph;
wenzelm@11856
   345
    val opt_graphs =
wenzelm@48516
   346
      if doc_graph andalso (not (null documents) orelse dump_prefix <> "") then
wenzelm@28496
   347
        SOME (isabelle_browser sorted_graph)
skalberg@15531
   348
      else NONE;
wenzelm@11856
   349
wenzelm@42007
   350
    val _ =
wenzelm@42007
   351
      if info then
wenzelm@42007
   352
       (Isabelle_System.mkdirs (Path.append html_prefix session_path);
wenzelm@42007
   353
        File.write_buffer (Path.append html_prefix pre_index_path) (index_buffer html_index);
wenzelm@42007
   354
        File.write (Path.append html_prefix session_entries_path) "";
wenzelm@42007
   355
        create_index html_prefix;
wenzelm@42007
   356
        if length path > 1 then update_index parent_html_prefix name else ();
wenzelm@42007
   357
        (case readme of NONE => () | SOME path => File.copy path html_prefix);
wenzelm@49565
   358
        Graph_Display.write_graph_browser (Path.append html_prefix graph_path) sorted_graph;
wenzelm@42007
   359
        Isabelle_System.isabelle_tool "browser" "-b";
wenzelm@42007
   360
        File.copy (Path.explode "~~/lib/browser/GraphBrowser.jar") html_prefix;
wenzelm@42007
   361
        List.app (fn (a, txt) => File.write (Path.append html_prefix (Path.basic a)) txt)
wenzelm@42007
   362
          (HTML.applet_pages name (Url.File index_path, name));
wenzelm@43437
   363
        File.copy (Path.explode "~~/etc/isabelle.css") html_prefix;
wenzelm@42007
   364
        List.app finish_html thys;
wenzelm@42007
   365
        List.app (uncurry File.write) files;
wenzelm@44389
   366
        if verbose then Output.physical_stderr ("Browser info at " ^ show_path html_prefix ^ "\n")
wenzelm@42007
   367
        else ())
wenzelm@42007
   368
      else ();
wenzelm@42007
   369
wenzelm@50121
   370
    fun prepare_sources doc_copy doc_dir =
wenzelm@48933
   371
     (Isabelle_System.mkdirs doc_dir;
wenzelm@50121
   372
      if doc_copy then Isabelle_System.copy_dir document_path doc_dir else ();
wenzelm@50121
   373
      Isabelle_System.isabelle_tool "latex"
wenzelm@50121
   374
        ("-o sty " ^ File.shell_path (Path.append doc_dir (Path.basic "root.tex")));
wenzelm@48933
   375
      (case opt_graphs of NONE => () | SOME (pdf, eps) =>
wenzelm@48933
   376
        (File.write (Path.append doc_dir graph_pdf_path) pdf;
wenzelm@48933
   377
          File.write (Path.append doc_dir graph_eps_path) eps));
wenzelm@48933
   378
      write_tex_index tex_index doc_dir;
wenzelm@48933
   379
      List.app (fn (a, {tex_source, ...}) => write_tex tex_source a doc_dir) thys);
wenzelm@48933
   380
wenzelm@42007
   381
    val _ =
wenzelm@48516
   382
      if dump_prefix = "" then ()
wenzelm@48516
   383
      else
wenzelm@48516
   384
        let
wenzelm@48516
   385
          val path = Path.explode dump_prefix;
wenzelm@50121
   386
          val _ = prepare_sources dump_copy path;
wenzelm@48516
   387
        in
wenzelm@48516
   388
          if verbose then
wenzelm@48516
   389
            Output.physical_stderr ("Document sources at " ^ show_path path ^ "\n")
wenzelm@48516
   390
          else ()
wenzelm@48516
   391
        end;
wenzelm@42007
   392
wenzelm@48935
   393
    fun document_job doc_prefix backdrop (name, tags) =
wenzelm@48935
   394
      let
wenzelm@48935
   395
        val _ =
wenzelm@48935
   396
          File.eq (document_path, doc_prefix) andalso
wenzelm@48935
   397
            error ("Overlap of document input and output directory " ^ Path.print doc_prefix);
wenzelm@48935
   398
        val dir = Path.append doc_prefix (Path.basic name);
wenzelm@50121
   399
        val copy = not (File.eq (document_path, dir));
wenzelm@50121
   400
        val _ = prepare_sources copy dir;
wenzelm@48935
   401
        fun inform doc =
wenzelm@48935
   402
          if verbose orelse not backdrop then
wenzelm@48935
   403
            Output.physical_stderr ("Document at " ^ show_path doc ^ "\n")
wenzelm@48935
   404
          else ();
wenzelm@48935
   405
      in
wenzelm@48935
   406
        fn () =>
wenzelm@48935
   407
          (isabelle_document {verbose = true, purge = backdrop} doc_format name tags dir, inform)
wenzelm@48935
   408
      end;
wenzelm@48935
   409
wenzelm@48935
   410
    val jobs =
wenzelm@48935
   411
      (if info orelse is_none doc_output then
wenzelm@48935
   412
        map (document_job html_prefix true) documents
wenzelm@48935
   413
       else []) @
wenzelm@48935
   414
      (case doc_output of
wenzelm@48935
   415
        NONE => []
wenzelm@48935
   416
      | SOME path => map (document_job path false) documents);
wenzelm@48935
   417
wenzelm@48935
   418
    val _ = jobs |> Par_List.map (fn job => job ()) |> List.app (op |>);
wenzelm@7727
   419
  in
wenzelm@7727
   420
    browser_info := empty_browser_info;
skalberg@15531
   421
    session_info := NONE
wenzelm@42008
   422
  end);
wenzelm@7727
   423
wenzelm@7727
   424
wenzelm@7727
   425
(* theory elements *)
wenzelm@7727
   426
wenzelm@42126
   427
fun init_theory name = session_default () (fn _ => init_theory_info name empty_theory_info);
wenzelm@7727
   428
wenzelm@27862
   429
fun theory_source name mk_text =
wenzelm@42126
   430
  session_default () (fn _ => add_html_source name (HTML.theory_source (mk_text ())));
wenzelm@7727
   431
wenzelm@9136
   432
fun theory_output name s =
wenzelm@42126
   433
  session_default () (fn _ => add_tex_source name (Latex.isabelle_file name s));
wenzelm@7727
   434
wenzelm@7727
   435
wenzelm@51398
   436
fun parent_link curr_session thy =
wenzelm@23899
   437
  let
wenzelm@51398
   438
    val {name = _, session} = get_info thy;
wenzelm@23899
   439
    val name = Context.theory_name thy;
wenzelm@23899
   440
    val link =
wenzelm@23899
   441
      if null session then NONE
wenzelm@51398
   442
      else SOME (Url.File (Path.append (mk_rel_path curr_session session) (html_path name)));
wenzelm@23899
   443
  in (link, name) end;
wenzelm@7727
   444
wenzelm@51293
   445
fun begin_theory update_time dir thy =
wenzelm@51398
   446
    session_default thy (fn {name = sess_name, session, path, html_prefix, ...} =>
wenzelm@7727
   447
  let
wenzelm@23899
   448
    val name = Context.theory_name thy;
wenzelm@23899
   449
    val parents = Theory.parents_of thy;
wenzelm@51398
   450
    val parent_specs = map (parent_link path) parents;
wenzelm@7727
   451
wenzelm@51293
   452
    val files = [];  (* FIXME *)
wenzelm@37939
   453
    val files_html = files |> map (fn (raw_path, loadit) =>
wenzelm@37939
   454
      let
wenzelm@43712
   455
        val path = File.check_file (File.full_path dir raw_path);
wenzelm@37939
   456
        val base = Path.base path;
wenzelm@37939
   457
        val base_html = html_ext base;
wenzelm@37939
   458
        val _ = add_file (Path.append html_prefix base_html,
wenzelm@37940
   459
          HTML.external_file (Url.File base) (File.read path));
wenzelm@37939
   460
      in (Url.File base_html, Url.File raw_path, loadit) end);
wenzelm@7727
   461
wenzelm@7727
   462
    fun prep_html_source (tex_source, html_source, html) =
wenzelm@7727
   463
      let
wenzelm@14898
   464
        val txt = HTML.begin_theory (Url.File index_path, session)
wenzelm@27491
   465
          name parent_specs files_html (Buffer.content html_source)
wenzelm@7727
   466
      in (tex_source, Buffer.empty, Buffer.add txt html) end;
wenzelm@7727
   467
wenzelm@9416
   468
    val entry =
wenzelm@9416
   469
     {name = name, ID = ID_of path name, dir = sess_name, unfold = true,
wenzelm@21858
   470
      path = Path.implode (html_path name),
wenzelm@49561
   471
      parents = map ID_of_thy parents,
wenzelm@49561
   472
      content = []};
wenzelm@7727
   473
  in
wenzelm@7727
   474
    change_theory_info name prep_html_source;
wenzelm@24150
   475
    add_graph_entry (update_time, entry);
wenzelm@24150
   476
    add_html_index (update_time, HTML.theory_entry (Url.File (html_path name), name));
wenzelm@24150
   477
    add_tex_index (update_time, Latex.theory_entry name);
wenzelm@51398
   478
    put_info {name = sess_name, session = path} thy
wenzelm@7727
   479
  end);
wenzelm@7727
   480
wenzelm@7727
   481
wenzelm@7727
   482
wenzelm@42127
   483
(** draft document output **)
wenzelm@14922
   484
wenzelm@42127
   485
fun drafts doc_format src_paths = Isabelle_System.with_tmp_dir "drafts" (fn dir =>
wenzelm@14922
   486
  let
wenzelm@24150
   487
    fun prep_draft path i =
wenzelm@14935
   488
      let
wenzelm@14935
   489
        val base = Path.base path;
wenzelm@14972
   490
        val name =
wenzelm@24829
   491
          (case Path.implode (#1 (Path.split_ext base)) of
wenzelm@44986
   492
            "" => "DUMMY"
wenzelm@44986
   493
          | s => s)  ^ serial_string ();
wenzelm@14935
   494
      in
wenzelm@14935
   495
        if File.exists path then
wenzelm@24150
   496
          (((name, base, File.read path), (i, Latex.theory_entry name)), i + 1)
wenzelm@41944
   497
        else error ("Bad file: " ^ Path.print path)
wenzelm@14935
   498
      end;
wenzelm@24150
   499
    val (srcs, tex_index) = split_list (fst (fold_map prep_draft src_paths 0));
wenzelm@14935
   500
wenzelm@42127
   501
    val doc_path = Path.append dir document_path;
wenzelm@40743
   502
    val _ = Isabelle_System.mkdirs doc_path;
wenzelm@14922
   503
    val root_path = Path.append doc_path (Path.basic "root.tex");
wenzelm@21858
   504
    val _ = File.copy (Path.explode "~~/lib/texinputs/draft.tex") root_path;
wenzelm@40743
   505
    val _ = Isabelle_System.isabelle_tool "latex" ("-o sty " ^ File.shell_path root_path);
wenzelm@40743
   506
    val _ = Isabelle_System.isabelle_tool "latex" ("-o syms " ^ File.shell_path root_path);
wenzelm@14922
   507
wenzelm@14922
   508
    fun known name =
wenzelm@14922
   509
      let val ss = split_lines (File.read (Path.append doc_path (Path.basic name)))
wenzelm@20664
   510
      in member (op =) ss end;
wenzelm@14922
   511
    val known_syms = known "syms.lst";
wenzelm@14922
   512
    val known_ctrls = known "ctrls.lst";
wenzelm@14922
   513
skalberg@15570
   514
    val _ = srcs |> List.app (fn (name, base, txt) =>
wenzelm@14935
   515
      Symbol.explode txt
wenzelm@21858
   516
      |> Latex.symbol_source (known_syms, known_ctrls) (Path.implode base)
wenzelm@14935
   517
      |> File.write (Path.append doc_path (tex_path name)));
wenzelm@14922
   518
    val _ = write_tex_index tex_index doc_path;
wenzelm@14922
   519
wenzelm@48805
   520
    val result =
wenzelm@48805
   521
      isabelle_document {verbose = false, purge = true} doc_format documentN "" doc_path;
wenzelm@42127
   522
    val result' = Isabelle_System.create_tmp_path documentN doc_format;
wenzelm@42127
   523
    val _ = File.copy result result';
wenzelm@42127
   524
  in result' end);
wenzelm@14922
   525
wenzelm@7685
   526
end;
wenzelm@7685
   527
wenzelm@32738
   528
structure Basic_Present: BASIC_PRESENT = Present;
wenzelm@32738
   529
open Basic_Present;