ostring.h

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/* Copyright(C) 1999, 2000 by JiangSu Bell Software CO.,LTD. */
/*
  Name: ostring.h                       Version: 1.0.0
  Created by Zhuliang                   Date: 2000-08-23
  Comment: Our group defining all base-class sets
  Modified:
1)  2000-08-23	Zhuliang	-	Create;
*/

#ifndef __OSTRING__
#define __OSTRING__

class OString
{
  private:
    char *pctemp;
    long ntemplen;

  public:
    OString();
    OString( long newlen );
    OString( const char *csS );
    OString( const OString &csS );
   ~OString();

    OString& operator = ( const char *csS );
    OString& operator = ( OString &csString );
    long GetLen( ) const;
    inline operator const char*() const { return pctemp; };
    friend OString& operator + ( const OString &csOstr, const char *csS );
    friend OString& operator + ( const OString &csOstr1, const OString &csOstr2 );
    OString& operator += ( const OString &csString );
    OString& operator += ( const char* csS );
    void Empty( );
    OString& Ltrim( );
    OString& Rtrim( );
    OString& Trim( );
    char operator () ( long nAt );
    char& operator [] ( long nAt );
    OString& SubString( long nBegin, long nLen );
    OString& EraseOne( long nBegin );
    long Find( const char* csS );
    long Find( OString &csOstr );
    short Compare( const char* csS );
    short Compare( OString &csOstr );
    bool IsNull( );
    OString& Upper( );
    OString& Lower( );
};

#endif //__OSTRING__