waroption.h

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/** 
*/

#ifndef WAR_OPTION_H
#define WAR_OPTION_H

/* SYSTEM INCLUDES */


/* PROJECT INCLUDES */

#ifndef WAR_SMART_POINTER_H
#   include "WarSmartPointer.h"
#endif

#ifndef WAR_COLLECTOR_H
#   include "WarCollector.h"
#endif

#ifndef WAR_AUTO_LOCK_H
#   include "WarAutoLock.h"
#endif

#ifndef WAR_PTR_WRAPPER_H
#   include "WarPtrWrapper.h"
#endif

/* LOCAL INCLUDES */


/* FORWARD REFERENCES */

class WarOptionList;

#ifdef __cplusplus
extern "C" 
{
#endif
/****************** BEGIN OLD STYLE C spesific ********/


/****************** END OLD STYLE C spesific **********/
#ifdef __cplusplus 
}
#endif

/****************** BEGIN C++ spesific ****************/

#ifdef __cplusplus

class WarOption
{
public:
    typedef WarCollector<char> buffer_t;

    enum WarOptionTypeE
    {
        OT_BOOL,
        OT_STRING,
        OT_INT,
        OT_INVALID
    };

    enum OptLevelE
    {
        OL_SERVER,
        OL_SITE,
        OL_USER
    };

    // LIFECYCLE
    
    /**
    * Default constructor.
    */
    WarOption(war_ccstr_t value = NULL)
        throw(WarException)
        : mValue(value ? value : "")
    {}

    WarOption(const std::string& value)
        throw(WarException)
        : mValue(value)
    {}

    /**
    * Copy constructor.
    *
    * @param from The value to copy to this object.
    */
    WarOption(const WarOption& from)
    {
        operator = (from);
    }
    
    /**
    * Destructor.
    */
    virtual ~WarOption(void) {}
    
    // OPERATORS
    
    /**
    * Assignment operator.
    *
    * @param from THe value to assign to this object.
    *
    * @return A reference to this object.
    */
    WarOption& operator = (const WarOption& from)
    {
        mValue = from.GetValue();
        return *this;
    }
    
    // OPERATIONS  

    // ACCESS

    virtual const std::string GetValue() const
        throw(WarException)
    {
        return mValue;
    }

    virtual const int GetIntValue() const
        throw(WarException)
    {
        return mValue.empty() 
            ? 0  
            : atoi(mValue.c_str());
    }
    
    // INQUIRY
    
    virtual bool IsEmpty() const
        throw(WarException)
    {
        return mValue.empty();
    }
    
protected:
    /** This table defines all the options that the library
      * Expects to find. 
      */

private:
    friend class WarOptionList;
    std::string mValue;
};

/* INLINE METHODS */

/* EXTERNAL REFERENCES */

template <class charT>
WarCollector<charT>& operator << (WarCollector<charT>& o, 
                                  const WarOption::WarOptionTypeE v)
{
    war_ccstr_t p = "";
    switch(v)
    {
    case WarOption::OT_BOOL:
        p = "bool";
        break;
    case WarOption::OT_STRING:
        p = "string";
        break;
    case WarOption::OT_INT:
        p = "int";
        break;
    }
    
    return o << p;
}


#endif /* __cplusplus */

/****************** END C++ spesific ******************/

#endif  /* WAR_OPTION_H_ */