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123 lines
3.3 KiB
C++
123 lines
3.3 KiB
C++
/* AMX Mod X
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* Natural Selection Module
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*
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* by the AMX Mod X Development Team
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*
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* This file is part of AMX Mod X.
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*
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* In addition, as a special exception, the author gives permission to
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* link the code of this program with the Half-Life Game Engine ("HL
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* Engine") and Modified Game Libraries ("MODs") developed by Valve,
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* L.L.C ("Valve"). You must obey the GNU General Public License in all
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* respects for all of the code used other than the HL Engine and MODs
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* from Valve. If you modify this file, you may extend this exception
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* to your version of the file, but you are not obligated to do so. If
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* you do not wish to do so, delete this exception statement from your
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* version.
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*/
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/* This file is a replacement for the engine call of ALLOC_STRING
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* The main difference is that a string will not be allocated twice
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* as to try to avoid wasting the HL zone space.
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*
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* NOTE: The lookup uses strcmp() in a linked list! It is not fast
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* Its implementation in the NS module is on rarely used
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* natives.
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*/
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#ifndef ALLOCSTRING_H
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#define ALLOCSTRING_H
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#include "CString.h"
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#include "sh_list.h"
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class StringManager
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{
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private:
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List<String *> m_StringList;
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public:
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/**
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* sh_list.h does not delete objects put into
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* the list, so I need to delete those and clear()
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*/
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inline void Clear(void)
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{
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List<String *>::iterator end;
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List<String *>::iterator iter;
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iter=m_StringList.begin();
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end=m_StringList.end();
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while (iter!=end)
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{
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delete (*iter++);
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}
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m_StringList.clear();
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}
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/**
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* Iterate the list to see if the string exists
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* This is slow and not very ideal, however
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* this is *very* rarely used so it won't matter
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*/
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inline int Allocate(const char *str)
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{
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List<String *>::iterator end;
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List<String *>::iterator iter;
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iter=m_StringList.begin();
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end=m_StringList.end();
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while (iter!=end)
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{
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if (strcmp(str, (*iter)->c_str()) == 0)
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{
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// String is already in the list, do not allocate it again
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return MAKE_STRING((*iter)->c_str());
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}
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++iter;
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}
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// Was not found in the linked list, allocate it and add it to the list
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String *AllocStr = new String;
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AllocStr->assign(str);
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m_StringList.push_back(AllocStr);
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return MAKE_STRING(AllocStr->c_str());
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};
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};
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extern StringManager AllocStringList;
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/**
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* Simple wrapper to make conversion easier
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*/
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inline int ALLOC_STRING2(const char *InputString)
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{
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return AllocStringList.Allocate(InputString);
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}
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#endif // ALLOCSTRING_H
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