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EST_TList.cc
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/*************************************************************************/
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/* */
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/* Centre for Speech Technology Research */
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/* University of Edinburgh, UK */
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/* Copyright (c) 1995,1996 */
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/* All Rights Reserved. */
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/* Permission is hereby granted, free of charge, to use and distribute */
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/* this software and its documentation without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of this work, and to */
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/* permit persons to whom this work is furnished to do so, subject to */
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/* the following conditions: */
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/* 1. The code must retain the above copyright notice, this list of */
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/* conditions and the following disclaimer. */
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/* 2. Any modifications must be clearly marked as such. */
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/* 3. Original authors' names are not deleted. */
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/* 4. The authors' names are not used to endorse or promote products */
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/* derived from this software without specific prior written */
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/* permission. */
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/* THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK */
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/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
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/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
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/* SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE */
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/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
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/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
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/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
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/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
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/* THIS SOFTWARE. */
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/* */
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/*************************************************************************/
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/* */
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/* Author : Paul Taylor */
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/* Date : April 1995 */
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/* --------------------------------------------------------------------- */
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/* Template List Class */
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/* */
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/* Modified by RJC, 21/7/97. Now much of the working code is in the */
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/* UList class, this template class provides a type safe front end to */
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/* the untyped list. */
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/* */
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/*************************************************************************/
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#include "EST_TList.h"
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template
<
class
T>
EST_TItem<T>
*
EST_TItem<T>::make
(
const
T &val)
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{
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EST_TItem<T>
*it=NULL;
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if
(s_free!=NULL)
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{
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void
*mem = s_free;
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s_free=(
EST_TItem<T>
*)s_free->n;
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s_nfree--;
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// Create an item in the retrieved memory.
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it=new (mem)
EST_TItem<T>
(val);
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}
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else
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it =
new
EST_TItem<T>
(val);
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return
it;
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}
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template
<
class
T>
void
EST_TItem<T>::release
(
EST_TItem<T>
*it)
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{
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if
(0)
// (s_nfree < s_maxFree)
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{
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// Destroy the value in case it holds resources.
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it->EST_TItem<T>::~EST_TItem();
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// I suppose it's a bit weird to use 'n' after calling the destructor.
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it->n=s_free;
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s_free=it;
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s_nfree++;
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}
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else
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{
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delete
it;
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}
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}
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template
<
class
T>
void
EST_TList<T>::copy_items
(
const
EST_TList<T>
&l)
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{
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EST_UItem
*p;
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for
(p = l.head(); p; p = p->next())
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append(l.
item
(p));
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}
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template
<
class
T>
void
EST_TList<T>::free_item
(
EST_UItem
*item)
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{
EST_TItem<T>::release
((
EST_TItem<T>
*)item); }
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template
<
class
T>
EST_TList<T>::EST_TList
(
const
EST_TList<T>
&l)
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{
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init();
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copy_items(l);
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}
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template
<
class
T>
void
EST_TList<T>::exchange_contents
(
EST_Litem
*a,
EST_Litem
*b)
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{
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if
(a==b)
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return
;
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T temp;
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temp = ((
EST_TItem<T>
*)a)->val;
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((
EST_TItem<T>
*)a)->val = ((
EST_TItem<T>
*)b)->val;
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((
EST_TItem<T>
*)b)->val = temp;
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}
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template
<
class
T>
EST_TList<T>
&
EST_TList<T>::operator=
(
const
EST_TList<T>
&a)
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{
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clear();
// clear out all current items in list.
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copy_items(a);
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return
*
this
;
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}
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template
<
class
T>
EST_TList<T>
&
EST_TList<T>::operator+=
(
const
EST_TList<T>
&a)
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{
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if
(
this
== &a)
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{
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cerr <<
"EST_TList: error: tried to add list to itself\n"
;
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return
*
this
;
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}
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copy_items(a);
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return
*
this
;
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}
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base_class
EST_TList.cc
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