cmdline.h

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//----------------------------------------------------------------------------
// ObjectWindows
// Copyright (c) 1992, 1996 by Borland International, All Rights Reserved
//
/// \file
/// Command line parsing class
//----------------------------------------------------------------------------
 
#if !defined(OWL_CMDLINE_H)
#define OWL_CMDLINE_H
 
#include <owl/private/defs.h>
#if defined(BI_HAS_PRAGMA_ONCE)
# pragma once
#endif
 
#include <owl/defs.h>
 
 
namespace owl {
 
#include <owl/preclass.h>
 
/// \addtogroup utility
/// @{
 
 
//
/// \class TCmdLine
// ~~~~~ ~~~~~~~~
/// Command line argument processing class, processes in the form:
//
///  <Name> | {-/}<Option>[{:=}<Value>] ...
//
class _OWLCLASS TCmdLine {
  public:
    enum TKind {
      Start,   ///< No tokens have been parsed yet
      Name,    ///< Name type token, has no leading / or -
      Option,  ///< Option type token. Leading / or - skipped by Token
      Value,   ///< Value for name or option. Leading : or = skipped by Token
      Done     ///< No more tokens
    };
    TCmdLine(const tstring& cmdLine);
   ~TCmdLine();
 
    TKind   NextToken(bool removeCurrent=false);
    LPCTSTR GetLine() const {return Buffer;}
    void     Reset();
 
    tstring GetToken() const;
    TKind GetTokenKind() const;
 
#if defined(OWL5_COMPAT)
  public:
#else
  private:
#endif
    TKind   Kind;       ///< Kind of current token
    LPTSTR   Token;     ///< Ptr to current token. (Not 0-terminated, use TokenLen)
    int     TokenLen;   ///< Length of current token
 
  private:
    LPTSTR Buffer;     ///< Command line buffer
    LPTSTR TokenStart; ///< Actual start of current token
};
 
/// @}
 
#include <owl/posclass.h>
 
inline TCmdLine::TKind TCmdLine::GetTokenKind() const
{
  return Kind;
}
 
 
} // OWL namespace
 
 
 
#endif  // OWL_CMDLINE_H