#ifndef GAMESTRINGPOOL_H
#define GAMESTRINGPOOL_H

#if defined( _WIN32 )
#pragma once
#endif

#if !defined( GC )
class IGameSystem;
#endif

string_t AllocPooledString(const char* pszValue);
#define AllocPooledStringConstant( pszValue ) AllocPooledString( pszValue )
string_t FindPooledString(const char* pszValue);
void RemovePooledString(const char* pszValue);

#define AssertIsValidString( s )	AssertMsg( s == NULL_STRING || s == FindPooledString( STRING(s) ), "Invalid string " #s );

#if !defined( GC )
IGameSystem* GameStringSystem();
#endif

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);
	}

	void SetFastNoCopy(string_t iszString)
	{
		m_iszString = iszString;
		m_iSerial = gm_iSerialNumber;
	}

	bool IsSerialNumberOutOfDate(void) const
	{
		return m_iSerial != gm_iSerialNumber;
	}

	string_t Get() const
	{
		if (m_iszString == NULL_STRING || IsSerialNumberOutOfDate())
		{
			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