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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.
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