+++ /dev/null
-#!/usr/bin/ocamlrun /usr/bin/ocaml
-(* Copyright (C) 2006, HELM Team.
- *
- * This file is part of HELM, an Hypertextual, Electronic
- * Library of Mathematics, developed at the Computer Science
- * Department, University of Bologna, Italy.
- *
- * HELM is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * HELM 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with HELM; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- *
- * For details, see the HELM World-Wide-Web page,
- * http://helm.cs.unibo.it/
- *)
-
-let fname =
- try Sys.argv.(1)
- with Invalid_argument _ ->
- prerr_endline "Usage: split.ml <FILE.html>";
- exit 1 ;;
-
-#use "topfind";;
-#require "unix";;
-#require "pxp-engine";;
-#require "pxp-lex-utf8";;
-
-open Printf
-
-let xhtml_header title =
- sprintf
-"<?xml version=\"1.0\" encoding=\"UTF-8\"?>
-<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">
-<html xmlns=\"http://www.w3.org/1999/xhtml\">
- <head>
- <title>%s</title>
- </head>
- <body>
-"
- title
-
-let xhtml_trailer =
-" </body>
-</html>
-"
-
-type 'a node =
- ('a Pxp_document.node #Pxp_document.extension as 'a) Pxp_document.node
-
-let resolver =
- Pxp_reader.lookup_public_id_as_file [
- "-//W3C//DTD XHTML 1.0 Transitional//EN", "xhtml1-transitional.dtd";
- "-//W3C//ENTITIES Latin 1 for XHTML//EN", "xhtml-lat1.ent";
- "-//W3C//ENTITIES Symbols for XHTML//EN", "xhtml-symbol.ent";
- "-//W3C//ENTITIES Special for XHTML//EN", "xhtml-special.ent"; ]
-
-let parse_xml fname =
- Pxp_tree_parser.parse_wfdocument_entity
- { Pxp_types.default_config with Pxp_types.encoding = `Enc_utf8 }
- (Pxp_types.from_file ~alt:[ resolver ] fname)
- Pxp_tree_parser.default_spec
-
- (** pattern matching like predicate on pxp nodes *)
-let match_elt tag attr_name ?attr_value () node =
- node#node_type = Pxp_document.T_element tag
- && (match attr_value with
- | Some attr_value ->
- (try node#attribute attr_name = Pxp_types.Value attr_value
- with Not_found -> false)
- | None -> List.mem attr_name node#attribute_names)
-
-let slice doc =
- let document =
- try
- Pxp_document.find ~deeply:true
- (match_elt "div" "class" ~attr_value:"book" ()) doc#root
- with Not_found -> failwith "Can't find book <div>" in
- let titlepage =
- Pxp_document.find ~deeply:false
- (match_elt "div" "class" ~attr_value:"titlepage" ()) document in
- let toc =
- Pxp_document.find ~deeply:false
- (match_elt "div" "class" ~attr_value:"toc" ()) document in
- let parts =
- Pxp_document.find_all ~deeply:false
- (match_elt "div" "class" ~attr_value:"chapter" ()) document in
- let title =
- Pxp_document.find ~deeply:true
- (fun node -> node#node_type = Pxp_document.T_element "title") doc#root in
- title#data,
- titlepage :: toc :: parts
-
-let localize_ids parts =
- let id2part = Hashtbl.create 1023 in
- let part_ids = ref [] in
- List.iter
- (fun part ->
- match Pxp_document.find_all ~deeply:true (match_elt "a" "id" ()) part with
- | part_id :: ids ->
- let part_id = part_id#required_string_attribute "id" in
- part_ids := part_id :: !part_ids;
- List.iter
- (fun id ->
- let id = id#required_string_attribute "id" in
- Hashtbl.add id2part id part_id)
- ids
- | _ -> failwith "can't find part id")
- parts;
- !part_ids, id2part
-
-let fname_of_part part_name = part_name ^ ".html"
-
-let get_part_id part =
- let id =
- try
- Pxp_document.find ~deeply:true (match_elt "a" "id" ()) part
- with Not_found -> failwith "can't find part id" in
- id#required_string_attribute "id"
-
-let get_part_title part =
- let h2 =
- Pxp_document.find ~deeply:true
- (match_elt "h2" "class" ~attr_value:"title" ()) part in
- let text =
- List.find (fun node -> node#node_type = Pxp_document.T_data) h2#sub_nodes in
- text#data
-
-let iter_xrefs f node =
- let a_s = Pxp_document.find_all ~deeply:true (match_elt "a" "href" ()) node in
- List.iter
- (fun (node: 'a node) ->
- let href = node#required_string_attribute "href" in
- assert (String.length href > 0);
- if href.[0] = '#' then
- let xref = String.sub href 1 (String.length href - 1) in
- f node xref)
- a_s
-
-let patch_toc part_ids id2part toc =
- iter_xrefs
- (fun node xref ->
- if List.mem xref part_ids then
- node#set_attribute "href" (Pxp_types.Value (fname_of_part xref))
- else
- try
- let part = Hashtbl.find id2part xref in
- node#set_attribute "href"
- (Pxp_types.Value (fname_of_part part ^ "#" ^ xref))
- with Not_found -> ())
- toc
-
-let patch_part part_ids id2part part =
- let part_name = get_part_id part in
- iter_xrefs
- (fun node xref ->
- try
- let xref_part = Hashtbl.find id2part xref in
- if xref_part <> part_name then
- node#set_attribute "href"
- (Pxp_types.Value (fname_of_part xref_part ^ "#" ^ xref))
- with Not_found -> ())
- part
-
-let open_formatter fname =
- Unix.open_process_out (sprintf "xmllint --format -o %s -" fname)
-
-let close_formatter oc = ignore (Unix.close_process_out oc)
-
-let output_index title (titlepage: 'a node) (toc: 'a node) fname =
- let oc = open_formatter fname in
- output_string oc (xhtml_header title);
- titlepage#write (`Out_channel oc) `Enc_utf8;
- toc#write (`Out_channel oc) `Enc_utf8;
- output_string oc xhtml_trailer;
- close_formatter oc
-
-let output_part title (part: 'a node) fname =
- let oc = open_formatter fname in
- output_string oc
- (xhtml_header (sprintf "%s - %s" title (get_part_title part)));
- part#write (`Out_channel oc) `Enc_utf8;
- output_string oc xhtml_trailer;
- close_formatter oc
-
-let main () =
- let doc = parse_xml fname in
- match slice doc with
- | title, (titlepage :: toc :: parts) ->
- let part_ids, id2part = localize_ids parts in
- patch_toc part_ids id2part toc;
- List.iter (patch_part part_ids id2part) parts;
- output_index title titlepage toc "index.html";
- List.iter
- (fun part -> output_part title part (get_part_id part ^ ".html"))
- parts
- | _ -> failwith "Unrecognized document structure"
-
-let _ = main ()
-
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