src/Pure/Thy/present.ML
author wenzelm
Sun Jul 23 12:10:11 2000 +0200 (2000-07-23)
changeset 9416 9144976964e7
parent 9136 8196955b02ec
child 9452 fc02c5bacaab
permissions -rw-r--r--
removed all_sessions.graph;
improved graph 'directories';
tuned;
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(*  Title:      Pure/Thy/present.ML
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    ID:         $Id$
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    Author:     Markus Wenzel and Stefan Berghofer, TU Muenchen
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    License:    GPL (GNU GENERAL PUBLIC LICENSE)
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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 section: string -> unit
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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 init: bool -> string -> string list -> string -> Path.T option -> Url.T option * bool -> unit
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  val finish: unit -> unit
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  val init_theory: string -> unit
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  val verbatim_source: string -> (unit -> Symbol.symbol list) -> unit
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  val old_symbol_source: string -> (unit -> Symbol.symbol list) -> unit
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  val theory_output: string -> string -> unit
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  val begin_theory: string -> string list -> (Path.T * bool) list -> theory -> theory
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  val result: string -> string -> thm -> unit
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  val results: string -> string -> thm list -> unit
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  val theorem: string -> thm -> unit
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  val theorems: string -> thm list -> unit
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  val chapter: string -> unit
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  val subsection: string -> unit
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  val subsubsection: string -> unit
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  val setup: (theory -> theory) list
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  val get_info: theory -> {name: string, session: string list, is_local: bool}
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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 output_path = Path.variable "ISABELLE_BROWSER_INFO";
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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 graph_path = Path.ext "graph" o Path.basic;
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val index_path = Path.basic "index.html";
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val doc_path = Path.basic "document";
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val doc_indexN = "session";
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val session_path = Path.basic ".session";
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val session_entries_path = Path.unpack ".session/entries";
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val pre_index_path = Path.unpack ".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) = if x = y then mk_rel_path xs ys else
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      Path.appends (replicate (length ps) Path.parent @ [Path.make qs]);
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(** additional theory data **)
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structure BrowserInfoArgs =
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struct
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  val name = "Pure/browser_info";
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  type T = {name: string, session: string list, is_local: bool};
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  val empty = {name = "Pure", session = [], is_local = false};
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  val copy = I;
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  fun prep_ext _ = empty;
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  fun merge _ = empty;
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  fun print _ _ = ();
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end;
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structure BrowserInfoData = TheoryDataFun(BrowserInfoArgs);
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fun get_info thy =
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  if Theory.eq_thy (thy, ProtoPure.thy) then BrowserInfoArgs.empty
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  else BrowserInfoData.get thy;
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(** graphs **)
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type graph_node =
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  {name: string, ID: string, dir: string, unfold: bool,
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   path: string, parents: string list};
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fun write_graph gr path =
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  File.write path (cat_lines (map (fn {name, ID, dir, unfold, path, parents} =>
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    "\"" ^ name ^ "\" \"" ^ ID ^ "\" \"" ^ dir ^ (if unfold then "\" + \"" else "\" \"") ^
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    path ^ "\" > " ^ space_implode " " (map quote parents) ^ " ;") gr));
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fun ID_of sess s = space_implode "/" (sess @ [s]);
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(*retrieve graph data from initial theory loader database*)
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fun init_graph remote_path curr_sess = map (fn name =>
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  let
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    val {name = sess_name, session, is_local} = get_info (ThyInfo.theory name);
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    val path' = Path.append (Path.make session) (html_path name);
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  in
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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 "" else
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      if is_some remote_path andalso not is_local then
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        Url.pack (Url.append (the remote_path) (Url.file
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          (Path.append (Path.make session) (html_path name))))
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      else Path.pack (Path.append (mk_rel_path curr_sess session) (html_path name)),
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    unfold = false,
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    parents =
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      map (fn s => ID_of (#session (get_info (ThyInfo.theory s))) s) (ThyInfo.get_preds name)}
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  end) (ThyInfo.names ());
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fun ins_graph_entry (entry as {ID, ...}) (gr: graph_node list) =
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  filter_out (fn entry' => #ID entry' = ID) gr @ [entry];
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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, tex_index: Buffer.T,
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  html_index: Buffer.T, graph: graph_node list};
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fun make_browser_info (theories, tex_index, html_index, graph) =
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  {theories = theories, 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, Buffer.empty, Buffer.empty, []);
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fun init_browser_info remote_path curr_sess = make_browser_info
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  (Symtab.empty, Buffer.empty, Buffer.empty, init_graph remote_path curr_sess);
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fun map_browser_info f {theories, tex_index, html_index, graph} =
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  make_browser_info (f (theories, tex_index, html_index, graph));
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(* state *)
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val browser_info = ref empty_browser_info;
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fun change_browser_info f = browser_info := map_browser_info f (! browser_info);
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fun init_theory_info name info =
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  change_browser_info (fn (theories, tex_index, html_index, graph) =>
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    (Symtab.update ((name, info), theories), tex_index, html_index, graph));
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fun change_theory_info name f =
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  change_browser_info (fn (info as (theories, tex_index, html_index, graph)) =>
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    (case Symtab.lookup (theories, name) of
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      None => (warning ("Browser info: cannot access theory document " ^ quote name); info)
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    | Some info => (Symtab.update ((name, map_theory_info f info), theories),
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        tex_index, html_index, graph)));
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fun add_tex_index txt =
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  change_browser_info (fn (theories, tex_index, html_index, graph) =>
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    (theories, Buffer.add txt tex_index, html_index, graph));
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fun add_html_index txt =
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  change_browser_info (fn (theories, tex_index, html_index, graph) =>
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    (theories, tex_index, Buffer.add txt html_index, graph));
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fun add_graph_entry e =
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  change_browser_info (fn (theories, tex_index, html_index, graph) =>
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    (theories, tex_index, html_index, ins_graph_entry e graph));
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fun add_tex_source name txt = 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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fun add_html name txt = change_theory_info name (fn (tex_source, html_source, html) =>
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  (tex_source, html_source, Buffer.add txt 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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    doc_format: string, doc_prefixes: (Path.T * Path.T option) option, remote_path: Url.T option};
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fun make_session_info
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    (name, parent, session, path, html_prefix, doc_format, doc_prefixes, remote_path) =
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  {name = name, parent = parent, session = session, path = path, html_prefix = html_prefix,
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    doc_format = doc_format, doc_prefixes = doc_prefixes, remote_path = remote_path}: session_info;
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(* state *)
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val session_info = ref (None: session_info option);
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fun with_session x f = (case ! session_info of None => x | Some info => f info);
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fun with_context f = f (PureThy.get_name (Context.the_context ()));
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(** HTML output **)
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(* maintain 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_index
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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 " ^ quote (Path.pack dir))
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  | Some es => (put_entries ((es \ name) @ [name]) dir; create_index dir));
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(* init session *)
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fun name_of_session elems = space_implode "/" ("Isabelle" :: elems);
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fun could_copy inpath outpath =
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  if File.exists inpath then (File.copy inpath outpath; true)
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  else false;
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fun copy_files path1 path2 =
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  (File.mkdir path2;
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   File.system_command
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     ("cp " ^ File.sysify_path path1 ^ " " ^ File.sysify_path path2));
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fun init false _ _ _ _ _ = (browser_info := empty_browser_info; session_info := None)
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  | init true doc path name dump_path (remote_path, first_time) =
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      let
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        val parent_name = name_of_session (Library.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 out_path = Path.expand output_path;
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        val html_prefix = Path.append out_path sess_prefix;
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        val (doc_prefixes, document_path) =
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          if doc = "" then (None, None)
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          else (Some (Path.append html_prefix doc_path, dump_path), Some (Path.ext doc doc_path));
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        val graph_up_lnk = (Url.file index_path, session_name);
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        val _ =
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          (copy_files (Path.unpack "~~/lib/browser/awtUtilities/*.class")
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             (Path.append html_prefix (Path.basic "awtUtilities"));
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           copy_files (Path.unpack "~~/lib/browser/GraphBrowser/*.class")
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             (Path.append html_prefix (Path.basic "GraphBrowser")));
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        fun prep_readme readme =
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          let val readme_path = Path.basic readme in
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            if could_copy readme_path (Path.append html_prefix readme_path) then Some readme_path
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            else None
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          end;
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        val opt_readme =
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          (case prep_readme "README.html" of None => prep_readme "README" | some => some);
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        val parent_index_path = Path.append Path.parent index_path;
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        val index_up_lnk = if first_time then
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            Url.append (the remote_path) (Url.file (Path.append sess_prefix parent_index_path))
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          else Url.file parent_index_path;
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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) (apsome Url.file opt_readme)
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            (apsome Url.file document_path) (Url.unpack "medium.html");
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      in
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        File.mkdir (Path.append html_prefix session_path);
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        File.write (Path.append html_prefix session_entries_path) "";
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        if is_some doc_prefixes then File.copy_all doc_path html_prefix else ();
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        seq (fn (name, txt) => File.write (Path.append html_prefix (Path.basic name)) txt)
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          (HTML.applet_pages session_name graph_up_lnk);
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        session_info := Some (make_session_info (name, parent_name, session_name, path,
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          html_prefix, doc, doc_prefixes, remote_path));
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        browser_info := init_browser_info remote_path path;
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        add_html_index index_text
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      end;
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(* finish session *)
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fun isatool_document doc_format doc_prefix =
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  let
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    val cmd = "$ISATOOL document -c -o '" ^ doc_format ^ "' '" ^ File.sysify_path doc_prefix ^ "'";
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  in
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    writeln cmd;
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    if system cmd <> 0 orelse not (File.exists (Path.ext doc_format doc_prefix)) then
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      error "Failed to build document"
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    else ()
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  end;
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fun write_tex src name path = Buffer.write (Path.append path (tex_path name)) src;
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fun write_texes src name (path, None) = write_tex src name path
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  | write_texes src name (path, Some path') = (write_tex src name path; write_tex src name path');
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fun finish () = with_session ()
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    (fn {name, html_prefix, doc_format, doc_prefixes, path, ...} =>
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  let
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    val {theories, tex_index, html_index, graph} = ! browser_info;
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    val parent_html_prefix = Path.append html_prefix Path.parent;
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    fun finish_node (a, {tex_source, html_source = _, html}) =
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     (doc_prefixes |> apsome (write_texes tex_source a);
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      Buffer.write (Path.append html_prefix (html_path a)) (Buffer.add HTML.end_theory html));
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  in
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    seq finish_node (Symtab.dest theories);
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    Buffer.write (Path.append html_prefix pre_index_path) html_index;
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    doc_prefixes |> apsome (write_texes tex_index doc_indexN);
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    doc_prefixes |> apsome (isatool_document doc_format o #1);
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    write_graph graph (Path.append html_prefix (graph_path "session"));
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    create_index html_prefix;
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    if length path > 1 then update_index parent_html_prefix name else ();
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    browser_info := empty_browser_info;
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    session_info := None
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  end);
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(* theory elements *)
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fun init_theory name = with_session () (fn _ => init_theory_info name empty_theory_info);
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fun verbatim_source name mk_text =
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  with_session () (fn _ => add_html_source name (HTML.verbatim_source (mk_text ())));
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fun old_symbol_source name mk_text =
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  with_session () (fn _ => add_tex_source name (Latex.old_symbol_source name (mk_text ())));
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fun theory_output name s =
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  with_session () (fn _ => add_tex_source name (Latex.isabelle_file s));
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fun parent_link remote_path curr_session name =
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  let val {name = _, session, is_local} = get_info (ThyInfo.theory name)
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  in (if null session then None else
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     Some (if is_some remote_path andalso not is_local then
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       Url.append (the remote_path) (Url.file
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         (Path.append (Path.make session) (html_path name)))
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     else Url.file (Path.append (mk_rel_path curr_session session)
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       (html_path name))), name)
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  end;
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fun begin_theory name raw_parents orig_files thy =
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    with_session thy (fn {name = sess_name, session, path, html_prefix, remote_path, ...} =>
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  let
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    val parents = map (parent_link remote_path path) raw_parents;
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    val ml_path = ThyLoad.ml_path name;
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    val files = map (apsnd Some) orig_files @
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      (if is_some (ThyLoad.check_file ml_path) then [(ml_path, None)] else []);
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    fun prep_file (raw_path, loadit) =
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      (case ThyLoad.check_file raw_path of
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        Some (path, _) =>
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          let
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            val base = Path.base path;
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            val base_html = html_ext base;
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          in
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            File.write (Path.append html_prefix base_html)
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              (HTML.ml_file (Url.file base) (File.read path));
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            (Some (Url.file base_html), Url.file raw_path, loadit)
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          end
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      | None => (warning ("Browser info: expected to find ML file" ^ quote (Path.pack raw_path));
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          (None, Url.file raw_path, loadit)));
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    val files_html = map prep_file files;
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    fun prep_html_source (tex_source, html_source, html) =
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      let
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        val txt = HTML.begin_theory (Url.file index_path, session)
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          name parents files_html (Buffer.content html_source)
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      in (tex_source, Buffer.empty, Buffer.add txt html) end;
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    val entry =
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     {name = name, ID = ID_of path name, dir = sess_name, unfold = true,
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      path = Path.pack (html_path name),
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      parents = map (fn s => ID_of (#session (get_info (ThyInfo.theory s))) s) raw_parents};
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  in
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    change_theory_info name prep_html_source;
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    add_graph_entry entry;
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    add_html_index (HTML.theory_entry (Url.file (html_path name), name));
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    add_tex_index (Latex.theory_entry name);
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    BrowserInfoData.put {name = sess_name, session = path, is_local = is_some remote_path} thy
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  end);
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   415
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fun result k a thm = with_session () (fn _ => with_context add_html (HTML.result k a thm));
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fun results k a thms = with_session () (fn _ => with_context add_html (HTML.results k a thms));
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fun theorem a thm = with_session () (fn _ => with_context add_html (HTML.theorem a thm));
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fun theorems a thms = with_session () (fn _ => with_context add_html (HTML.theorems a thms));
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fun chapter s = with_session () (fn _ => with_context add_html (HTML.chapter s));
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fun section s = with_session () (fn _ => with_context add_html (HTML.section s));
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fun subsection s = with_session () (fn _ => with_context add_html (HTML.subsection s));
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fun subsubsection s = with_session () (fn _ => with_context add_html (HTML.subsubsection s));
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   425
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   426
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   427
(** theory setup **)
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   429
val setup = [BrowserInfoData.init];
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   430
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   431
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   432
end;
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   434
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structure BasicPresent: BASIC_PRESENT = Present;
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open BasicPresent;