// $Id$
//
// Copyright (C) 2007
// Fraunhofer Institute for Open Communication Systems (FOKUS)
// Competence Center NETwork research (NET), St. Augustin, GERMANY
//     Stefan Bund <g0dil@berlios.de>
//
// 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.

/** \file
    \brief PacketData inline non-template implementation */

// Custom includes
#include "../Utils/senfassert.hh"
#include <iterator>
#include "PacketImpl.hh"
#include "PacketParser.hh"

#define prefix_ inline
///////////////////////////////cci.p///////////////////////////////////////

///////////////////////////////////////////////////////////////////////////
// senf::PacketData

prefix_ senf::PacketData::iterator senf::PacketData::begin()
    const
{
    SENF_ASSERT(begin_ <= impl().size());
    return boost::next(impl().begin(),begin_);
}

prefix_ senf::PacketData::iterator senf::PacketData::end()
    const
{
    SENF_ASSERT(end_ <= impl().size());
    return boost::next(impl().begin(),end_);
}

prefix_ senf::PacketData::size_type senf::PacketData::size()
    const
{
    return end_ - begin_;
}

prefix_ bool senf::PacketData::empty()
    const
{
    return begin_ == end_;
}

prefix_ senf::PacketData::byte senf::PacketData::operator[](size_type n)
    const
{
    SENF_ASSERT( n < size() );
    return *( boost::next(begin(),n) );
}

prefix_ senf::PacketData::byte & senf::PacketData::operator[](size_type n)
{
    SENF_ASSERT( n < size() );
    return *( boost::next(begin(),n) );
}

// Modifying the raw packet data

prefix_ void senf::PacketData::insert(iterator pos, byte v)
{
    impl().insert(this,pos,v);
}

prefix_ void senf::PacketData::insert(iterator pos, size_type n, byte v)
{
    impl().insert(this,pos,n,v);
}

prefix_ void senf::PacketData::erase(iterator pos)
{
    impl().erase(this,pos);
}

prefix_ void senf::PacketData::erase(iterator first, iterator last)
{
    impl().erase(this,first,last);
}

prefix_ void senf::PacketData::clear()
{
    impl().clear(this);
}

prefix_ bool senf::PacketData::valid()
{
    return impl_;
}

// protected members

prefix_ senf::PacketData::PacketData(size_type b, size_type e)
    : impl_(), begin_(b), end_(e)
{}

prefix_ senf::detail::PacketImpl & senf::PacketData::impl()
    const
{
    SENF_ASSERT( impl_ );
    return *impl_;
}

///////////////////////////////////////////////////////////////////////////
// senf::safe_data_iterator

prefix_ senf::safe_data_iterator::safe_data_iterator()
    : data_(0), i_(0)
{}

prefix_  senf::safe_data_iterator::safe_data_iterator(PacketData & data)
    : data_(&data), i_(0)
{}

prefix_ senf::safe_data_iterator::safe_data_iterator(PacketData & data, PacketData::iterator i)
    : data_(&data), i_(std::distance(data.begin(),i))
{}

prefix_  senf::safe_data_iterator::safe_data_iterator(PacketParserBase const & parser)
    : data_(&parser.data()), i_(std::distance(data_->begin(),parser.i()))
{}

prefix_ senf::safe_data_iterator & senf::safe_data_iterator::operator=(PacketData::iterator i)
{
    SENF_ASSERT(data_);
    i_ = std::distance(data_->begin(),i);
    return *this;
}

prefix_ senf::safe_data_iterator &
senf::safe_data_iterator::operator=(PacketParserBase const & parser)
{
    data_ = &parser.data();
    i_ = std::distance(data_->begin(),parser.i());
    return *this;
}

prefix_ senf::safe_data_iterator::operator senf::PacketData::iterator()
    const
{
    return i();
}

prefix_ bool senf::safe_data_iterator::boolean_test()
    const
{
    return data_;
}

prefix_ senf::PacketData & senf::safe_data_iterator::data()
    const
{
    SENF_ASSERT(data_);
    return *data_;
}

prefix_ senf::safe_data_iterator::value_type & senf::safe_data_iterator::dereference()
    const
{
    return *i();
}

prefix_ bool senf::safe_data_iterator::equal(safe_data_iterator const & other)
    const
{
    SENF_ASSERT(data_ == other.data_);
    return i_ == other.i_;
}

prefix_ senf::safe_data_iterator::difference_type
senf::safe_data_iterator::distance_to(safe_data_iterator const & other)
    const
{
    SENF_ASSERT(data_ == other.data_);
    return other.i_ - i_;
}

prefix_ void senf::safe_data_iterator::increment()
{
    ++i_;
}

prefix_ void senf::safe_data_iterator::decrement()
{
    SENF_ASSERT(i_>0);
    --i_;
}

prefix_ void senf::safe_data_iterator::advance(difference_type n)
{
    SENF_ASSERT( -n < difference_type(i_) );
    i_ += n;
}

prefix_ senf::PacketData::iterator senf::safe_data_iterator::i()
    const
{
    SENF_ASSERT(data_);
    return boost::next(data_->begin(),i_);
}

///////////////////////////////cci.e///////////////////////////////////////
#undef prefix_


// Local Variables:
// mode: c++
// fill-column: 100
// c-file-style: "senf"
// indent-tabs-mode: nil
// ispell-local-dictionary: "american"
// compile-command: "scons -u test"
// comment-column: 40
// End: