/* BString.h  Replacement of the MFC CString class

May 12 2004 Created by Bill arden www.billarden.com

Relesed into public domain (have fun)

*//////////////////////////////////////////////////////////////////////

#if !defined(AFX_BSTRING_H__A12064A3_A460_11D8_BBC7_00A0CCA1D9EC__INCLUDED_)
#define AFX_BSTRING_H__A12064A3_A460_11D8_BBC7_00A0CCA1D9EC__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000


struct BStringDataStruct{
	long	nCount;			//how many classes have this?
	int		nStrLen;		//length with terminator
	int		nAllocLen;		//memory bytes allocated
	char*	pstr;				//pointer to the string
};

class BString {  //simplifyed string for Ansi portibility
public:

	//Constructors
	BString();	
	BString(const BString& StrSrc); //copy			
	BString(char CharStr);			//
	BString(char* CharStr);			//
	virtual ~BString();
	
	//low level functions
	void Empty(void);				//clear string
	int GetLength();
	void SetLength(int len);
	
	char* GetBuffer(int len);
	void ReleaseBuffer(int nNewLength = -1);
	
	int Delete(int nIndex, int nCount = 1);
		

	char GetAt(int nIndex);
	char operator[](int nIndex);

	//higer level functions (uses above)

	BString Mid(int nFirst, int nCount = -1);		
	BString Left(int nCount);
	BString Right(int nCount);

	
	void TrimLeft(char chTarget = 32);
	void TrimRight(char chTarget = 32);

	void MakeUpper();
	//void MakeLower();	 //to do
	//void MakeReverse(); //to do
	
	int Find(char ch, int nStart = 0);
	int Find(char* ch, int nStart = 0);
	
	int Remove(char chRemove);
		
	bool FormatV(const char * pFormat,va_list ArgList);
	bool Format(const char * pFormat,...);
	
	BString& operator=( BString& StrSrc);	
	BString& operator=(char* charStr);
	BString& operator=(char Achar);

	BString& operator+=( BString& string);
	BString& operator+=(char Achar);
	BString& operator+=(char* charStr);

	//BString operator+( BString& string1, BString& string2);
	// BString operator+( BString& string, TCHAR ch);	

protected:
//internal
	BStringDataStruct* m_StringData;
	void Create(void);
	void Destroy(void);
	void BreakTie(void);
	void GrowBuffer(int newSize);
	void CopyStr(int nStart,char* NewCharStr,int nCharLength = -1);
	
};  

//global operators

bool operator==(BString& s1, BString& s2);
bool operator==(BString& s1, char* s2);
bool operator==(char* s1, BString& s2);

bool operator!=(BString& s1, BString& s2);
bool operator!=(BString& s1, char* s2);
bool operator!=(char* s1, BString& s2);



#endif // !defined(AFX_BSTRING_H__A12064A3_A460_11D8_BBC7_00A0CCA1D9EC__INCLUDED_)