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101 lines
2.3 KiB
C++
101 lines
2.3 KiB
C++
// vim: set ts=4 sw=4 tw=99 noet:
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//
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// AMX Mod X, based on AMX Mod by Aleksander Naszko ("OLO").
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// Copyright (C) The AMX Mod X Development Team.
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//
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// This software is licensed under the GNU General Public License, version 3 or higher.
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// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
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// https://alliedmods.net/amxmodx-license
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//
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// Natural Selection Module
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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 <am-string.h>
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#include <am-linkedlist.h>
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class StringManager
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{
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private:
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ke::LinkedList<ke::AString *> 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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ke::LinkedList<ke::AString *>::iterator end;
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ke::LinkedList<ke::AString *>::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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ke::LinkedList<ke::AString *>::iterator end;
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ke::LinkedList<ke::AString *>::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)->chars()) == 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)->chars());
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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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ke::AString *AllocStr = new ke::AString(str);
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m_StringList.append(AllocStr);
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return MAKE_STRING(AllocStr->chars());
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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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