ReGameDLL_CS/regamedll/public/utlsymbol.h
2019-09-23 04:09:58 +07:00

100 lines
3.2 KiB
C++

/*
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* In addition, as a special exception, the author gives permission to
* link the code of this program with the Half-Life Game Engine ("HL
* Engine") and Modified Game Libraries ("MODs") developed by Valve,
* L.L.C ("Valve"). You must obey the GNU General Public License in all
* respects for all of the code used other than the HL Engine and MODs
* from Valve. If you modify this file, you may extend this exception
* to your version of the file, but you are not obligated to do so. If
* you do not wish to do so, delete this exception statement from your
* version.
*
*/
#pragma once
class CUtlSymbolTable;
typedef unsigned short UtlSymId_t;
#define UTL_INVAL_SYMBOL ((UtlSymId_t)~0)
struct LessCtx_t
{
char const *m_pUserString;
CUtlSymbolTable *m_pTable;
LessCtx_t() : m_pUserString(0), m_pTable(0) {}
};
class CUtlSymbol
{
public:
// Constructor, Destructor
CUtlSymbol() : m_Id(UTL_INVAL_SYMBOL) {}
CUtlSymbol(UtlSymId_t id) : m_Id(id) {}
CUtlSymbol(const char* pStr);
CUtlSymbol(CUtlSymbol const &sym) : m_Id(sym.m_Id) {}
// operator=
CUtlSymbol &operator=(CUtlSymbol const &src)
{
m_Id = src.m_Id;
return (*this);
}
// operator==
bool operator==(CUtlSymbol const &src) const { return m_Id == src.m_Id; }
bool operator==(const char *pStr) const;
// Is valid?
bool IsValid() const { return m_Id != UTL_INVAL_SYMBOL; }
operator UtlSymId_t/* const*/() const { return m_Id; } // Gets at the symbol
const char *String() const; // Gets the string associated with the symbol
protected:
static void Initialize(); // Initializes the symbol table
static CUtlSymbolTable *CurrTable(); // returns the current symbol table
UtlSymId_t m_Id;
static CUtlSymbolTable *s_pSymbolTable;
};
class CUtlSymbolTable
{
public:
// Constructor, Destructor
CUtlSymbolTable(int growSize = 0,int initSize = 32,bool caseInsensitive = false);
~CUtlSymbolTable();
CUtlSymbol AddString(const char *pString); // Finds and/or creates a symbol based on the string
CUtlSymbol Find(const char *pString) const; // Finds the symbol for pString
const char *String(CUtlSymbol id) const; // Look up the string associated with a particular symbol
void RemoveAll(); // Remove all symbols in the table
public:
static bool SymLess(const unsigned int &i1, const unsigned int &i2);
static bool SymLessi(const unsigned int &i1, const unsigned int &i2);
protected:
CUtlRBTree<unsigned int, UtlSymId_t> m_Lookup;
CUtlVector<char> m_Strings;
};