mirror of
https://github.com/s1lentq/ReGameDLL_CS.git
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138 lines
3.6 KiB
C++
138 lines
3.6 KiB
C++
/*
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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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*/
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#include "precompiled.h"
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LessCtx_t g_LessCtx;
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CUtlSymbolTable *CUtlSymbol::s_pSymbolTable = nullptr;
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void CUtlSymbol::Initialize()
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{
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// Necessary to allow us to create global symbols
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static bool symbolsInitialized = false;
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if (!symbolsInitialized)
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{
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s_pSymbolTable = new CUtlSymbolTable;
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symbolsInitialized = true;
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}
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}
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CUtlSymbolTable *CUtlSymbol::CurrTable()
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{
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Initialize();
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return s_pSymbolTable;
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}
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CUtlSymbol::CUtlSymbol(const char *pStr)
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{
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m_Id = CurrTable()->AddString(pStr);
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}
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const char *CUtlSymbol::String() const
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{
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return CurrTable()->String(m_Id);
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}
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bool CUtlSymbol::operator==(const char *pStr) const
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{
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if (m_Id == UTL_INVAL_SYMBOL)
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return false;
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return Q_strcmp(String(), pStr) == 0;
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}
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bool CUtlSymbolTable::SymLess(const unsigned int &i1, const unsigned int &i2)
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{
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const char *str1 = g_LessCtx.m_pTable->String(i1);
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const char *str2 = g_LessCtx.m_pTable->String(i2);
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return Q_strcmp(str1, str2) < 0;
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}
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bool CUtlSymbolTable::SymLessi(const unsigned int &i1, const unsigned int &i2)
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{
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const char *str1 = g_LessCtx.m_pTable->String(i1);
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const char *str2 = g_LessCtx.m_pTable->String(i2);
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return Q_stricmp(str1, str2) < 0;
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}
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CUtlSymbolTable::CUtlSymbolTable(int growSize, int initSize, bool caseInsensitive) :
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m_Lookup(growSize, initSize, caseInsensitive ? SymLessi : SymLess),
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m_Strings(256)
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{
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;
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}
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CUtlSymbolTable::~CUtlSymbolTable()
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{
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// Release the stringpool string data
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RemoveAll();
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}
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CUtlSymbol CUtlSymbolTable::Find(const char *pString) const
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{
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// Passing this special invalid symbol makes the comparison function
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// use the string passed in the context
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UtlSymId_t idx = m_Lookup.Find(UTL_INVAL_SYMBOL);
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return CUtlSymbol(idx);
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}
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// Finds and/or creates a symbol based on the string
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CUtlSymbol CUtlSymbolTable::AddString(const char *pString)
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{
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if (!pString)
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return CUtlSymbol(UTL_INVAL_SYMBOL);
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CUtlSymbol id = Find(pString);
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if (id.IsValid())
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return id;
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int len = Q_strlen(pString) + 1;
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int stridx = m_Strings.AddMultipleToTail(len);
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UtlSymId_t idx = m_Lookup.Insert(stridx);
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return CUtlSymbol(idx);
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}
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const char *CUtlSymbolTable::String(CUtlSymbol id) const
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{
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if (!id.IsValid())
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return "";
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DbgAssert(m_Lookup.IsValidIndex((UtlSymId_t)id));
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return &m_Strings[id];
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}
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void CUtlSymbolTable::RemoveAll()
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{
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m_Lookup.RemoveAll();
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m_Strings.RemoveAll();
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}
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