89 lines
2.2 KiB
C++
89 lines
2.2 KiB
C++
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these libraries and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/* $XConsortium: EntityScope.h /main/2 1996/07/18 16:43:47 drk $ */
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#ifndef ENT_SCOPE_HDR
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#define ENT_SCOPE_HDR
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#include "EntityList.h"
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class EntityScope {
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private:
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EntityList *currentEntityScope;
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public:
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void push ( EntityList *escope ) {
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escope->next = currentEntityScope;
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currentEntityScope = escope;
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}
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EntityList *pop();
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EntityList *GetTopEntities() const { return(currentEntityScope); }
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SGMLDefn *LookupEntity( int ename );
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/*
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* Constructor EntityScope creates a topmost entitylist
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* so the stack will contain an element after it is constructed
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*/
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EntityScope() { currentEntityScope = new EntityList(); }
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~EntityScope();
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};
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//----------------------------------------------------------------
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inline
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SGMLDefn *
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EntityScope::LookupEntity( int ename )
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{
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return ( currentEntityScope->lookup( ename ) );
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}
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//-----------------------------------------------------------------
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inline
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EntityList *
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EntityScope::pop()
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{
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EntityList *ptr;
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ptr = currentEntityScope;
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currentEntityScope = ptr->next;
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return ( ptr );
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}
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//-----------------------------------------------------------------
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inline
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EntityScope::~EntityScope()
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{
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EntityList *pt = currentEntityScope;
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while( pt ) {
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EntityList *tmp = pt;
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pt = pt->next;
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delete tmp;
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}
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}
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#endif
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