4 // Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
5 // Kompetenzzentrum fuer NETwork research (NET)
6 // Stefan Bund <g0dil@berlios.de>
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 2 of the License, or
11 // (at your option) any later version.
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the
20 // Free Software Foundation, Inc.,
21 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 \brief ParseVariant internal header */
26 #ifndef IH_ParseVariant_
27 #define IH_ParseVariant_ 1
30 #include "PacketParser.hh"
32 ///////////////////////////////ih.p////////////////////////////////////////
37 template <class Variant, unsigned N>
39 static PacketParserBase::size_type bytes(Variant const & v, unsigned n);
42 template <class Variant>
43 struct VariantBytes<Variant,0> {
44 static PacketParserBase::size_type bytes(Variant const & v, unsigned n);
47 template <class ChooserType, unsigned Distance>
48 struct Parse_Variant_Direct
50 typedef PacketParserBase::data_iterator data_iterator;
51 typedef PacketParserBase::state_type state_type;
52 typedef PacketParserBase::size_type size_type;
54 static size_type const init_bytes = 0;
55 size_type bytes(data_iterator i, state_type s) const { return 0; }
56 data_iterator begin(data_iterator i, state_type s) const { return i; }
58 ChooserType chooser(data_iterator i, state_type s) const {
59 return ChooserType(boost::prior(i, Distance),s);
62 unsigned variant(data_iterator i, state_type s) const {
63 return chooser(i,s).value();
66 void variant(unsigned v, data_iterator i, state_type s) {
67 chooser(i,s).value(v);
73 ///////////////////////////////ih.e////////////////////////////////////////
81 // c-file-style: "senf"
82 // indent-tabs-mode: nil
83 // ispell-local-dictionary: "american"
84 // compile-command: "scons -u test"