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// -*- C++ -*-
//==========================================================================
/**
* @file Functor_String.h
*
* $Id$
*
* Class template specializations for ACE_*String types implementing
* function objects that are used in various places in ATC. They
* could be placed in Functor.h. But we don't want to couple string
* types to the rest of ACE+TAO. Hence they are placed in a seperate
* file.
*/
//==========================================================================
#ifndef ACE_FUNCTOR_STRING_H
#define ACE_FUNCTOR_STRING_H
#include /**/ "ace/pre.h"
#include /**/ "ace/config-all.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include /**/ "ace/ACE_export.h"
#include "ace/SStringfwd.h"
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
////////////////////////////////////////////////////////////
// STL-style Functor Classes and Template Specializations //
////////////////////////////////////////////////////////////
// Forward declaration since we are going to specialize that template
// here. The template itself requires this file so every user of the
// template should also see the specialization.
template <class TYPE> class ACE_Hash;
template <class TYPE> class ACE_Equal_To;
template <class TYPE> class ACE_Less_Than;
/**
* @brief Function object for determining whether two ACE_CStrings are
* equal.
*/
template<>
class ACE_Export ACE_Equal_To<ACE_CString>
{
public:
int operator () (const ACE_CString &lhs,
const ACE_CString &rhs) const;
};
/**
* @brief Function object for hashing a ACE_CString
*/
template<>
class ACE_Export ACE_Hash<ACE_CString>
{
public:
/// Calls ACE::hash_pjw
unsigned long operator () (const ACE_CString &lhs) const;
};
/**
* @brief Function object for determining whether the first const string
* is less than the second const string.
*/
template<>
class ACE_Export ACE_Less_Than<ACE_CString>
{
public:
/// Simply calls ACE_OS::strcmp
int operator () (const ACE_CString &lhs,
const ACE_CString &rhs) const;
};
#if defined (ACE_USES_WCHAR)
/**
* @brief Function object for determining whether two ACE_WStrings are
* equal.
*/
template<>
class ACE_Export ACE_Equal_To<ACE_WString>
{
public:
int operator () (const ACE_WString &lhs,
const ACE_WString &rhs) const;
};
/**
* @brief Function object for hashing a ACE_WString
*/
template<>
class ACE_Export ACE_Hash<ACE_WString>
{
public:
/// Calls ACE::hash_pjw
unsigned long operator () (const ACE_WString &lhs) const;
};
/**
* @brief Function object for determining whether the first const wstring
* is less than the second const wstring.
*/
template<>
class ACE_Export ACE_Less_Than<ACE_WString>
{
public:
/// Simply calls ACE_OS::strcmp
int operator () (const ACE_WString &lhs,
const ACE_WString &rhs) const;
};
#endif /*ACE_USES_WCHAR*/
ACE_END_VERSIONED_NAMESPACE_DECL
#if defined (__ACE_INLINE__)
#include "ace/Functor_String.inl"
#endif /* __ACE_INLINE__ */
#include /**/ "ace/post.h"
#endif /*ACE_FUNCTOR_STRING_H*/
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