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xmpp.chapril.org-ejabberd/src/web/ejabberd_web.erl
2011-02-14 13:47:22 +01:00

87 lines
3.1 KiB
Erlang

%%%----------------------------------------------------------------------
%%% File : ejabberd_web.erl
%%% Author : Alexey Shchepin <alexey@process-one.net>
%%% Purpose :
%%% Created : 28 Feb 2004 by Alexey Shchepin <alexey@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2011 ProcessOne
%%%
%%% This program 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.
%%%
%%% This program 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 this program; if not, write to the Free Software
%%% Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
%%% 02111-1307 USA
%%%
%%%----------------------------------------------------------------------
-module(ejabberd_web).
-author('alexey@process-one.net').
%% External exports
-export([make_xhtml/1, make_xhtml/2,
error/1]).
-include_lib("exmpp/include/exmpp.hrl").
-include("ejabberd.hrl").
-include("ejabberd_http.hrl").
%% @type html() = term()
%% XXX bard: there are variants of make_xhtml in ejabberd_http and
%% ejabberd_web_admin. It might be a good idea to centralize it here
%% and also create an ejabberd_web.hrl file holding the macros, so
%% that third parties can use ejabberd_web as an "utility" library.
make_xhtml(Els) ->
make_xhtml([], Els).
make_xhtml(HeadEls, Els) ->
#xmlel{ns = ?NS_XHTML, name = 'html', attrs = [
exmpp_xml:attribute(?NS_XML, <<"lang">>, <<"en">>),
?XMLATTR(<<"lang">>, <<"en">>)], children = [
#xmlel{ns = ?NS_XHTML, name = 'head', children = [
#xmlel{ns = ?NS_XHTML, name = 'meta', attrs = [
?XMLATTR(<<"http-equiv">>, <<"Content-Type">>),
?XMLATTR(<<"content">>, <<"text/html; charset=utf-8">>)
]}
| HeadEls
]},
#xmlel{ns = ?NS_XHTML, name = 'body', children = Els}
]}.
-define(X(Name), #xmlel{ns = ?NS_XHTML, name = Name}).
-define(XA(Name, Attrs), #xmlel{ns = ?NS_XHTML, name = Name, attrs = Attrs}).
-define(XE(Name, Els), #xmlel{ns = ?NS_XHTML, name = Name, children = Els}).
-define(XAE(Name, Attrs, Els), #xmlel{ns = ?NS_XHTML, name = Name,
attrs = Attrs, children = Els}).
-define(C(Text), #xmlcdata{cdata = list_to_binary(Text)}).
-define(XC(Name, Text), ?XE(Name, [?C(Text)])).
-define(XAC(Name, Attrs, Text), ?XAE(Name, Attrs, [?C(Text)])).
-define(LI(Els), ?XE('li', Els)).
-define(A(URL, Els), ?XAE('a', [?XMLATTR(<<"href">>, URL)], Els)).
-define(AC(URL, Text), ?A(URL, [?C(Text)])).
-define(P, ?X('p')).
-define(BR, ?X('br')).
-define(INPUT(Type, Name, Value),
?XA('input', [?XMLATTR(<<"type">>, Type),
?XMLATTR(<<"name">>, Name),
?XMLATTR(<<"value">>, Value)])).
error(not_found) ->
{404, [], make_xhtml([?XC('h1', "404 Not Found")])};
error(not_allowed) ->
{401, [], make_xhtml([?XC('h1', "401 Unauthorized")])}.