iterator.cc
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/*
GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2004, 2006, 2007, 2009 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library; if not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301 USA
*/
#include <mailutils/cpp/iterator.h>
#include <mailutils/cpp/error.h>
#include <errno.h>
using namespace mailutils;
//
// Iterator
//
Iterator :: Iterator (const List& lst)
{
int status = mu_list_get_iterator (lst.mu_list, &mu_iter);
if (status)
throw Exception ("Iterator::Iterator", status);
this->pList = (List*) &lst;
}
Iterator :: Iterator (const mu_iterator_t iter)
{
if (iter == 0)
throw Exception ("Iterator::Iterator", EINVAL);
this->mu_iter = iter;
this->pList = 0;
}
Iterator :: ~Iterator ()
{
mu_iterator_destroy (&mu_iter);
}
bool
Iterator :: operator == (const Iterator& iter)
{
return mu_iter == iter.mu_iter;
}
bool
Iterator :: operator != (const Iterator& iter)
{
return mu_iter != iter.mu_iter;
}
void
Iterator :: first ()
{
mu_iterator_first (mu_iter);
}
void
Iterator :: next ()
{
mu_iterator_next (mu_iter);
}
Iterator&
Iterator :: operator ++ (int)
{
mu_iterator_next (mu_iter);
return *this;
}
void
Iterator :: current (void** pitem)
{
int status = mu_iterator_current (mu_iter, pitem);
if (status)
throw Exception ("Iterator::current", status);
}
void*
Iterator :: current ()
{
void* pitem;
int status = mu_iterator_current (mu_iter, &pitem);
if (status)
throw Exception ("Iterator::current", status);
return pitem;
}
bool
Iterator :: is_done ()
{
return (bool) mu_iterator_is_done (mu_iter);
}
List&
Iterator :: get_list ()
{
if (!pList)
throw Exception ("Iterator::get_list", ENOTSUP);
return *pList;
}
void
Iterator :: dup (Iterator*& piter, const Iterator& orig)
{
mu_iterator_t iter;
int status = mu_iterator_dup (&iter, orig.mu_iter);
if (status)
throw Exception ("Iterator::dup", status);
piter->mu_iter = iter;
}