105 lines
2.5 KiB
C
105 lines
2.5 KiB
C
|
//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
|
|||
|
|
//
|
|||
|
|
// Purpose: Pool of all per-level strings. Allocates memory for strings,
|
|||
|
|
// consolodating duplicates. The memory is freed on behalf of clients
|
|||
|
|
// at level transition. Strings are of type string_t.
|
|||
|
|
//
|
|||
|
|
// $NoKeywords: $
|
|||
|
|
//=============================================================================//
|
|||
|
|
|
|||
|
|
#ifndef GAMESTRINGPOOL_H
|
|||
|
|
#define GAMESTRINGPOOL_H
|
|||
|
|
|
|||
|
|
#if defined( _WIN32 )
|
|||
|
|
#pragma once
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
class IGameSystem;
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------------------------
|
|||
|
|
// String allocation
|
|||
|
|
//-----------------------------------------------------------------------------
|
|||
|
|
string_t AllocPooledString( const char *pszValue );
|
|||
|
|
string_t FindPooledString( const char *pszValue );
|
|||
|
|
|
|||
|
|
#define AssertIsValidString( s ) AssertMsg( s == NULL_STRING || s == FindPooledString( STRING(s) ), "Invalid string " #s );
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------------------------
|
|||
|
|
// String system accessor
|
|||
|
|
//-----------------------------------------------------------------------------
|
|||
|
|
IGameSystem *GameStringSystem();
|
|||
|
|
|
|||
|
|
//-----------------------------------------------------------------------------
|
|||
|
|
class CGameString
|
|||
|
|
{
|
|||
|
|
public:
|
|||
|
|
CGameString() :
|
|||
|
|
m_iszString( NULL_STRING ), m_pszString( NULL ), m_iSerial( 0 )
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
CGameString( const char *pszString, bool bCopy = false ) :
|
|||
|
|
m_iszString( NULL_STRING ), m_pszString( NULL ), m_iSerial( 0 )
|
|||
|
|
{
|
|||
|
|
Set( pszString, bCopy );
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
~CGameString()
|
|||
|
|
{
|
|||
|
|
if ( m_bCopy )
|
|||
|
|
free( (void *)m_pszString );
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void Set( const char *pszString, bool bCopy = false )
|
|||
|
|
{
|
|||
|
|
if ( m_bCopy && m_pszString )
|
|||
|
|
free( (void *)m_pszString );
|
|||
|
|
m_iszString = NULL_STRING;
|
|||
|
|
m_pszString = ( !bCopy ) ? pszString : strdup( pszString );
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
string_t Get() const
|
|||
|
|
{
|
|||
|
|
if ( m_iszString == NULL_STRING || m_iSerial != gm_iSerialNumber )
|
|||
|
|
{
|
|||
|
|
if ( !m_pszString )
|
|||
|
|
return NULL_STRING;
|
|||
|
|
|
|||
|
|
m_iszString = AllocPooledString( m_pszString );
|
|||
|
|
m_iSerial = gm_iSerialNumber;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return m_iszString;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
operator const char *() const
|
|||
|
|
{
|
|||
|
|
return ( m_pszString ) ? m_pszString : "";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#ifndef NO_STRING_T
|
|||
|
|
operator string_t() const
|
|||
|
|
{
|
|||
|
|
return Get();
|
|||
|
|
}
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
static void IncrementSerialNumber()
|
|||
|
|
{
|
|||
|
|
gm_iSerialNumber++;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private:
|
|||
|
|
mutable string_t m_iszString;
|
|||
|
|
const char *m_pszString;
|
|||
|
|
mutable int m_iSerial;
|
|||
|
|
bool m_bCopy;
|
|||
|
|
|
|||
|
|
|
|||
|
|
static int gm_iSerialNumber;
|
|||
|
|
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
#endif // GAMESTRINGPOOL_H
|