yate/engine/Iterator.cpp

103 lines
2.5 KiB
C++

/**
* Iterator.cpp
* This file is part of the YATE Project http://YATE.null.ro
*
* Yet Another Telephony Engine - a fully featured software PBX and IVR
* Copyright (C) 2004-2006 Null Team
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "yateclass.h"
using namespace TelEngine;
ListIterator::ListIterator(ObjList& list)
: m_objList(&list), m_hashList(0),
m_objects(0), m_length(0), m_current(0)
{
m_length = list.count();
if (!m_length)
return;
m_objects = new GenObject* [m_length];
unsigned int i = 0;
for (ObjList* l = list.skipNull(); i < m_length; l = l->skipNext()) {
if (!l)
break;
m_objects[i++] = l->get();
}
while (i < m_length)
m_objects[i++] = 0;
}
ListIterator::ListIterator(HashList& list)
: m_objList(0), m_hashList(&list),
m_objects(0), m_length(0), m_current(0)
{
m_length = list.count();
if (!m_length)
return;
m_objects = new GenObject* [m_length];
unsigned int i = 0;
for (unsigned int n = 0; n < list.length(); n++) {
ObjList* l = list.getList(n);
if (!l)
continue;
for (l = l->skipNull(); i < m_length; l = l->skipNext()) {
if (!l)
break;
m_objects[i++] = l->get();
}
}
while (i < m_length)
m_objects[i++] = 0;
}
ListIterator::~ListIterator()
{
m_length = 0;
delete[] m_objects;
}
GenObject* ListIterator::get(unsigned int index) const
{
if ((index >= m_length) || !m_objects)
return 0;
GenObject* obj = m_objects[index];
if (!obj)
return 0;
if (m_objList) {
if (m_objList->find(obj) && obj->alive())
return obj;
}
else if (m_hashList) {
if (m_hashList->find(obj) && obj->alive())
return obj;
}
return 0;
}
GenObject* ListIterator::get()
{
while (m_current < m_length) {
GenObject* obj = get(m_current++);
if (obj)
return obj;
}
return 0;
}
/* vi: set ts=8 sw=4 sts=4 noet: */