cmdline.h

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/* ////////////////////////////////////////////////////////////////////////
//
//                  INTEL CORPORATION PROPRIETARY INFORMATION
//     This software is supplied under the terms of a license agreement or
//     nondisclosure agreement with Intel Corporation and may not be copied
//     or disclosed except in accordance with the terms of that agreement.
//          Copyright(c) 2002-2005 Intel Corporation. All Rights Reserved.
//
//
//
*/

#ifndef _CMDLINE_H_
#define _CMDLINE_H_


#include "list.h"
#include "fixedstring.h"

class CommandLine
{
public:
    CommandLine() {};

    bool AddKey(const char *key, const char *description, bool    &value);
    bool AddKey(const char *key, const char *description, int     &value);
    bool AddKey(const char *key, const char *description, double  &value);
    bool AddKey(const char *key, const char *description, StringA &value);

    bool AddHelpKey(const char *key, const char *description);

    bool Parse(char *argv[], int argc);

    void HelpMessage();

protected:
    class Key
    {
    public:
        typedef enum
        {
            Boolean,
            Real,
            Integer,
            String,
            Help
        } KeyType;

        StringA     m_name;
        StringA     m_description;
        bool        m_present;
        KeyType     m_type;

        union
        {
            bool    *m_bool;
            double  *m_double;
            int     *m_int;
            StringA *m_string;
        };

        Key():
          m_present(false), m_type(Help) {};

        Key(const char *key, const char *description, bool    &value):
          m_name(key), m_description(description), m_present(false), m_type(Boolean), m_bool  (&value) {};
        Key(const char *key, const char *description, double  &value):
          m_name(key), m_description(description), m_present(false), m_type(Real   ), m_double(&value) {};
        Key(const char *key, const char *description, int     &value):
          m_name(key), m_description(description), m_present(false), m_type(Integer), m_int   (&value) {};
        Key(const char *key, const char *description, StringA &value):
          m_name(key), m_description(description), m_present(false), m_type(String ), m_string(&value) {};

        Key(const char *key, const char *description):
          m_name(key), m_description(description), m_present(false), m_type(Help) {};
    };

    List<Key> m_keys;

    bool IsKeyExist (const char *key);
    Key* FindNextKey(const char *str);
};

#endif