ListParser.ct

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//
// Copyright (c) 2020 Fraunhofer Institute for Applied Information Technology (FIT)
//                    Network Research Group (NET)
//                    Schloss Birlinghoven, 53754 Sankt Augustin, GERMANY
//                    Contact: support@wiback.org
//
// This file is part of the SENF code tree.
// It is licensed under the 3-clause BSD License (aka New BSD License).
// See LICENSE.txt in the top level directory for details or visit
// https://opensource.org/licenses/BSD-3-Clause
//


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

#include "ListParser.ih"

// Custom includes
#include <senf/Utils/senfassert.hh>

#define prefix_
//-/////////////////////////////////////////////////////////////////////////////////////////////////

//-/////////////////////////////////////////////////////////////////////////////////////////////////
// senf::ListParser<ElementParser,ListPolicy>

template <class ListPolicy>
prefix_ void senf::ListParser<ListPolicy>::init()
    const
{
    ListPolicy::init(i(),state());
    container_type c (*this);
    typename container_type::iterator i (c.begin());
    typename container_type::iterator const e (c.end());
    for (; i!=e; ++i)
        i->init();
}

template <class ListPolicy>
prefix_ typename senf::ListParser<ListPolicy>::value_type
senf::ListParser<ListPolicy>::back()
    const
{
    SENF_ASSERT( ! empty(), "back() called on empty list" );
    container_type c (*this);
    typename container_type::iterator i (c.begin()), j;
    typename container_type::iterator const e (c.end());
    for (j=i; i!=e; j=i, ++i) ;
    return *j;
}

//-/////////////////////////////////////////////////////////////////////////////////////////////////
// senf::ListParser_Container<ListPolicy>

template <class ListPolicy>
prefix_ typename senf::ListParser_Container<ListPolicy>::value_type
senf::ListParser_Container<ListPolicy>::back()
    const
{
    SENF_ASSERT( ! empty(), "back() called on empty list" );
    iterator i (begin()), j;
    iterator const e (end());
    for (j=i; i!=e; j=i, ++i) ;
    return *j;
}

template <class ListPolicy>
prefix_ typename senf::ListParser_Container<ListPolicy>::value_type
senf::ListParser_Container<ListPolicy>::shift(iterator pos, size_type n)
{
    ListPolicy::update(*this);
    safe_data_iterator sp (data(),pos.raw());
    for (; n>0; --n) {
        data().insert(sp,senf::init_bytes<value_type>::value,0);
        value_type(sp,state()).init();
        ListPolicy::insert(*this,sp);
    }
    return value_type(sp,state());
}

template <class ListPolicy>
template <class Value>
prefix_ void senf::ListParser_Container<ListPolicy>::insert(iterator pos,
                                                            size_type n,
                                                            Value const & t)
{
    ListPolicy::update(*this);
    safe_data_iterator sp (data(),pos.raw());
    for (; n>0; --n) {
        data().insert(sp,senf::init_bytes<value_type>::value,0);
        value_type(sp,state()).init();
        value_type(sp,state()) << t;
        ListPolicy::insert(*this,sp);
    }
}

#ifndef DOXYGEN
template <class ListPolicy>
template <class ForwardIterator>
prefix_ void senf::ListParser_Container<ListPolicy>::
insert(iterator pos, ForwardIterator f, ForwardIterator l,
       typename boost::disable_if< boost::is_convertible<ForwardIterator,size_type> >::type *)
{
    ListPolicy::update(*this);
    safe_data_iterator sp (data(),pos.raw());
    for (; f!=l; ++f) {
        data().insert(sp,senf::init_bytes<value_type>::value,0);
        value_type(sp,state()).init();
        value_type(sp,state()) << *f;
        ListPolicy::insert(*this,sp);
        sp += senf::bytes(value_type(sp,state()));
    }
}
#else
template <class ListPolicy>
template <class ForwardIterator>
prefix_ void senf::ListParser_Container<ListPolicy>::
insert(iterator pos, ForwardIterator f, ForwardIterator l)
{}
#endif

template <class ListPolicy>
prefix_ void senf::ListParser_Container<ListPolicy>::erase(iterator pos,
                                                           size_type n)
{
    ListPolicy::update(*this);
    safe_data_iterator sp (data(),pos.raw());
    for (; n>0; --n) {
        ListPolicy::erase(*this,sp);
        data().erase(sp,boost::next(sp,senf::bytes(value_type(sp,state()))));
    }
}

template <class ListPolicy>
prefix_ void senf::ListParser_Container<ListPolicy>::clear()
{
    size_type sz (bytes());
    if (sz > ListPolicy::init_bytes)
        data().erase(boost::next(i(),ListPolicy::init_bytes),boost::next(i(),sz));
    else
        data().insert(boost::next(i(),sz), ListPolicy::init_bytes-sz, 0u);
    std::fill(i(),boost::next(i(),ListPolicy::init_bytes), 0u);
    ListPolicy::init(i(),state());
}

template <class ListPolicy>
prefix_ void senf::ListParser_Container<ListPolicy>::resize(size_type n)
{
    size_type sz (size());
    if (sz>n)
        erase(boost::next(begin(),n),end());
    else
        push_back_space(n-sz);
}

template <class ListPolicy>
template <class Value>
prefix_ void senf::ListParser_Container<ListPolicy>::resize(size_type n,
                                                            Value value)
{
    size_type sz (size());
    if (sz>n)
        erase(boost::next(begin(),n),end());
    else
        push_back(value,n-sz);
}

//-/////////////////////////////////////////////////////////////////////////////////////////////////
#undef prefix_

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