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+%% ``The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved via the world wide web at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either expressed or implied. See
+%% the Licence for the specific language governing rights and limitations
+%% under the License.
+%%
+%% The Initial Developer of the Original Code is Ericsson AB.
+%% Portions created by Ericsson are Copyright 1999-2006, Ericsson AB.
+%% All Rights Reserved.��
+%%
+%% $Id$
+%%
+-module(docb_xmerl_xml_cb).
+
+%% This is the callback module for exporting XHTML to a DocBuilder
+%% erlref or chapter document in XML format.
+%% See docb_edoc_xml_cb.erl for further information.
+%%
+%% The origin of this file is the xmerl module xmerl_otpsgml.erl
+%% written by Ulf Wiger and Richard Carlsson.
+
+-export(['#xml-inheritance#'/0]).
+
+-export(['#root#'/4,
+ '#element#'/5,
+ '#text#'/1]).
+
+-include("xmerl.hrl").
+
+'#xml-inheritance#'() ->
+ [xmerl_xml].
+
+'#root#'(Data, _Attrs, [], _E) ->
+ ["<",DTD,">"] = hd(hd(Data)),
+ ["<?xml version=\"1.0\" encoding=\"latin1\" ?>\n",
+ "<!DOCTYPE "++DTD++" SYSTEM \""++DTD++".dtd\">\n",
+ Data].
+
+'#element#'(Tag, Data, Attrs, _Parents, _E) ->
+ {NewTag, NewAttrs} = convert_tag(Tag, Attrs),
+ xmerl_lib:markup(NewTag, NewAttrs, Data).
+
+'#text#'(Text) ->
+ xmerl_lib:export_text(Text).
+
+%% Utility functions
+
+convert_tag(a, [Attr]) ->
+ case Attr#xmlAttribute.name of
+ href ->
+ Val = Attr#xmlAttribute.value,
+ case is_url(Val) of
+ true ->
+ {url, [Attr]};
+ false ->
+ {seealso, [Attr#xmlAttribute{name=marker}]}
+ end;
+ name ->
+ {marker, [Attr#xmlAttribute{name=id}]}
+ end;
+convert_tag(b, Attrs) -> {em, Attrs};
+convert_tag(blockquote, Attrs) -> {quote, Attrs};
+convert_tag(code, Attrs) -> {c, Attrs};
+convert_tag(dd, Attrs) -> {item, Attrs};
+convert_tag(dl, Attrs) -> {taglist, Attrs};
+convert_tag(dt, Attrs) -> {tag, Attrs};
+convert_tag(li, Attrs) -> {item, Attrs};
+convert_tag(ol, Attrs) -> {list, Attrs};
+convert_tag(strong, Attrs) -> {em, Attrs};
+convert_tag(td, Attrs) -> {cell, Attrs};
+convert_tag(tr, Attrs) -> {row, Attrs};
+convert_tag(tt, Attrs) -> {c, Attrs};
+convert_tag(ul, Attrs) -> {list, Attrs};
+convert_tag(underline, Attrs) -> {em, Attrs};
+convert_tag(Tag, Attrs) -> {Tag, Attrs}.
+
+is_url("http:"++_) -> true;
+is_url("../"++_) -> true;
+is_url(FileRef) ->
+ case filename:extension(FileRef) of
+ "" -> false; % no extension = xml file, DocBuilder resolves
+ _Ext -> true % extension, DocBuilder must not resolve
+ end.