OW_Bool.hpp

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00030 
00036 #ifndef OW_BOOL_HPP_INCLUDE_GUARD_
00037 #define OW_BOOL_HPP_INCLUDE_GUARD_
00038 #include "OW_config.h"
00039 #include "OW_CommonFwd.hpp"
00040 #include <iosfwd>
00041 
00042 namespace OW_NAMESPACE
00043 {
00044 
00053 class OW_COMMON_API Bool
00054 {
00055 public:
00056       
00060    Bool() : m_val(false) {}
00065    Bool(bool val) : m_val(val) {}
00070    Bool(const Bool& arg) : m_val(arg.m_val) {}
00076    Bool& operator= (const Bool& arg) { m_val = arg.m_val; return *this; }
00083    bool operator== (const bool arg) const { return m_val == arg; }
00090    bool operator== (const Bool& arg) const { return m_val == arg.m_val; }
00097    bool operator!= (const bool arg) const { return m_val != arg; }
00104    bool operator!= (const Bool& arg) const { return m_val != arg.m_val; }
00108    operator bool() const { return m_val; }
00113    bool operator !() const { return !m_val; }
00118    String toString() const;
00123    void writeObject(std::ostream& ostrm) const;
00128    void readObject(std::istream& istrm);
00135    friend bool operator< (const Bool& b1, const Bool& b2)
00136    {
00137       return b1.m_val < b2.m_val;
00138    }
00139    friend bool operator!=(bool b1, Bool b2)
00140    {
00141       return b1 < b2.m_val;
00142    }
00143 private:
00144    // These are private/unimplemented to help prevent unintended errors of
00145    // passing a pointer to the constructor.
00146    Bool(const void*);
00147    Bool(void*);
00148    Bool(volatile const void*);
00149    Bool(volatile void*);
00150    bool m_val;
00151 };
00152 OW_EXPORT_TEMPLATE(OW_COMMON_API, Array, Bool);
00153 OW_COMMON_API std::ostream& operator << (std::ostream& ostrm, const Bool& arg);
00154 
00155 } // end namespace OW_NAMESPACE
00156 
00157 #endif

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