string_access.hpp

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/* /////////////////////////////////////////////////////////////////////////
 * c_str_ptr_null
 *
 * This can be applied to an expression, and the return value is either a
 * pointer to the character string or NULL.
 */

/* CWnd */
/// \brief Returns the corresponding C-string pointer of the CWnd \c w, or a null pointer
inline c_str_ptr_null_CWnd_proxy c_str_ptr_null(const CWnd &w)
{
    return c_str_ptr_null_CWnd_proxy(w);
}
#if defined(UNICODE)
inline c_str_ptr_null_CWnd_proxy c_str_ptr_null_w(const CWnd &w)
#else /* ? UNICODE */
inline c_str_ptr_null_CWnd_proxy c_str_ptr_null_a(const CWnd &w)
#endif /* UNICODE */
{
    return c_str_ptr_null(w);
}

inline c_str_ptr_null_CWnd_proxy c_str_ptr_null(const CListBox &w)
{
    return c_str_ptr_null_CWnd_proxy(w);
}
#if defined(UNICODE)
inline c_str_ptr_null_CWnd_proxy c_str_ptr_null_w(const CListBox &w)
#else /* ? UNICODE */
inline c_str_ptr_null_CWnd_proxy c_str_ptr_null_a(const CListBox &w)
#endif /* UNICODE */
{
    return c_str_ptr_null(w);
}

#ifdef __AFXCMN_H__
inline c_str_ptr_null_CWnd_proxy c_str_ptr_null(const CListCtrl &w)
{
    return c_str_ptr_null_CWnd_proxy(w);
}
#if defined(UNICODE)
inline c_str_ptr_null_CWnd_proxy c_str_ptr_null_w(const CListCtrl &w)
#else /* ? UNICODE */
inline c_str_ptr_null_CWnd_proxy c_str_ptr_null_a(const CListCtrl &w)
#endif /* UNICODE */
{
    return c_str_ptr_null(w);
}

# ifdef __AFXCVIEW_H__
inline c_str_ptr_null_CWnd_proxy c_str_ptr_null(const CListView &w)
{
    return c_str_ptr_null(w.GetListCtrl());
}
#if defined(UNICODE)
inline c_str_ptr_null_CWnd_proxy c_str_ptr_null_w(const CListView &w)
#else /* ? UNICODE */
inline c_str_ptr_null_CWnd_proxy c_str_ptr_null_a(const CListView &w)
#endif /* UNICODE */
{
    return c_str_ptr_null(w);
}
# endif /* __AFXCVIEW_H__ */
#endif /* __AFXCMN_H__ */

/* CString */
/// \brief Returns the corresponding C-string pointer of the CString \c s, or a null pointer
inline LPCTSTR c_str_ptr_null(const CString &s)
{
    /* CString always points to valid memory, whether its own
     * CStringData or afxEmptyString.m_pchData
     */
    return s.IsEmpty() ? NULL : (LPCTSTR)s;
}
#if defined(UNICODE)
inline LPCTSTR c_str_ptr_null_w(const CString &s)
#else /* ? UNICODE */
inline LPCTSTR c_str_ptr_null_w(const CString &s)
#endif /* UNICODE */
{
    return c_str_ptr_null(s);
}

/* /////////////////////////////////////////////////////////////////////////
 * c_str_ptr
 *
 * This can be applied to an expression, and the return value is either a
 * pointer to the character string or to an empty string.
 */

/* CWnd */
/// \brief Returns the corresponding C-string pointer of the CWnd \c w
inline c_str_ptr_CWnd_proxy c_str_ptr(const CWnd &w)
{
    return c_str_ptr_CWnd_proxy(w);
}
#if defined(UNICODE)
inline c_str_ptr_CWnd_proxy c_str_ptr_w(const CWnd &w)
#else /* ? UNICODE */
inline c_str_ptr_CWnd_proxy c_str_ptr_a(const CWnd &w)
#endif /* UNICODE */
{
    return c_str_ptr(w);
}

inline c_str_ptr_CWnd_proxy c_str_ptr(const CListBox &w)
{
    return c_str_ptr_CWnd_proxy(w);
}
#if defined(UNICODE)
inline c_str_ptr_CWnd_proxy c_str_ptr_w(const CListBox &w)
#else /* ? UNICODE */
inline c_str_ptr_CWnd_proxy c_str_ptr_a(const CListBox &w)
#endif /* UNICODE */
{
    return c_str_ptr(w);
}

#ifdef __AFXCMN_H__
inline c_str_ptr_CWnd_proxy c_str_ptr(const CListCtrl &w)
{
    return c_str_ptr_CWnd_proxy(w);
}
#if defined(UNICODE)
inline c_str_ptr_CWnd_proxy c_str_ptr_w(const CListCtrl &w)
#else /* ? UNICODE */
inline c_str_ptr_CWnd_proxy c_str_ptr_a(const CListCtrl &w)
#endif /* UNICODE */
{
    return c_str_ptr(w);
}

# ifdef __AFXCVIEW_H__
inline c_str_ptr_CWnd_proxy c_str_ptr(const CListView &w)
{
    return c_str_ptr(w.GetListCtrl());
}
#if defined(UNICODE)
inline c_str_ptr_CWnd_proxy c_str_ptr_w(const CListView &w)
#else /* ? UNICODE */
inline c_str_ptr_CWnd_proxy c_str_ptr_a(const CListView &w)
#endif /* UNICODE */
{
    return c_str_ptr(w);
}
# endif /* __AFXCVIEW_H__ */
#endif /* __AFXCMN_H__ */

/* CString */
/// \brief Returns the corresponding C-string pointer of the CString \c s
inline LPCTSTR c_str_ptr(const CString &s)
{
    /* CString always points to valid memory, whether its own
     * CStringData or afxEmptyString.m_pchData
     */
    return s;
}
#if defined(UNICODE)
inline LPCTSTR c_str_ptr_w(const CString &s)
#else /* ? UNICODE */
inline LPCTSTR c_str_ptr_a(const CString &s)
#endif /* UNICODE */
{
    return c_str_ptr(s);
}

/* /////////////////////////////////////////////////////////////////////////
 * c_str_data
 *
 * This can be applied to an expression, and the return value is either a
 * pointer to the character string or to an empty string.
 */

/* CWnd */
/// \brief Returns the corresponding C-string pointer of the CWnd \c w
inline c_str_ptr_CWnd_proxy c_str_data(const CWnd &w)
{
    return c_str_ptr_CWnd_proxy(w);
}
#if defined(UNICODE)
inline c_str_ptr_CWnd_proxy c_str_data_w(const CWnd &w)
#else /* ? UNICODE */
inline c_str_ptr_CWnd_proxy c_str_data_a(const CWnd &w)
#endif /* UNICODE */
{
    return c_str_data(w);
}

inline c_str_ptr_CWnd_proxy c_str_data(const CListBox &w)
{
    return c_str_ptr_CWnd_proxy(w);
}
#if defined(UNICODE)
inline c_str_ptr_CWnd_proxy c_str_data_w(const CListBox &w)
#else /* ? UNICODE */
inline c_str_ptr_CWnd_proxy c_str_data_a(const CListBox &w)
#endif /* UNICODE */
{
    return c_str_data(w);
}

#ifdef __AFXCMN_H__
inline c_str_ptr_CWnd_proxy c_str_data(const CListCtrl &w)
{
    return c_str_ptr_CWnd_proxy(w);
}
#if defined(UNICODE)
inline c_str_ptr_CWnd_proxy c_str_data_w(const CListCtrl &w)
#else /* ? UNICODE */
inline c_str_ptr_CWnd_proxy c_str_data_a(const CListCtrl &w)
#endif /* UNICODE */
{
    return c_str_data(w);
}

# ifdef __AFXCVIEW_H__
inline c_str_ptr_CWnd_proxy c_str_data(const CListView &w)
{
    return c_str_data(w.GetListCtrl());
}
#if defined(UNICODE)
inline c_str_ptr_CWnd_proxy c_str_data_w(const CListView &w)
#else /* ? UNICODE */
inline c_str_ptr_CWnd_proxy c_str_data_a(const CListView &w)
#endif /* UNICODE */
{
    return c_str_data(w);
}
# endif /* __AFXCVIEW_H__ */
#endif /* __AFXCMN_H__ */

/* CString */
/// \brief Returns the corresponding C-string pointer of the CString \c s
inline LPCTSTR c_str_data(const CString &s)
{
    /* CString always points to valid memory, whether its own
     * CStringData or afxEmptyString.m_pchData
     */
    return s;
}
#if defined(UNICODE)
inline LPCTSTR c_str_data_w(const CString &s)
#else /* ? UNICODE */
inline LPCTSTR c_str_data_a(const CString &s)
#endif /* UNICODE */
{
    return c_str_data(s);
}

/* /////////////////////////////////////////////////////////////////////////
 * c_str_len
 *
 * This can be applied to an expression, and the return value is the number of
 * characters in the character string in the expression.
 */

/* CWnd */
/// \brief Returns the length (in characters) of the contents of the window \c w, <b><i>not</i></b> including the null-terminating character
inline ms_size_t c_str_len(const CWnd &w)
{
    return GetWindowTextLength__(w);
}

inline ms_size_t c_str_len(const CListBox &w)
{
    return GetWindowTextLength__(w);
}

#ifdef __AFXCMN_H__
inline ms_size_t c_str_len(const CListCtrl &w)
{
    return GetWindowTextLength__(w);
}

# ifdef __AFXCVIEW_H__
inline ms_size_t c_str_len(const CListView &w)
{
    return c_str_len(w.GetListCtrl());
}
# endif /* __AFXCVIEW_H__ */
#endif /* __AFXCMN_H__ */

/* CString */
/// \brief Returns the length (in characters) of the CString \c s, <b><i>not</i></b> including the null-terminating character
inline ms_size_t c_str_len(const CString &s)
{
    return s.GetLength();
}

/* /////////////////////////////////////////////////////////////////////////
 * c_str_size
 *
 * This can be applied to an expression, and the return value is the number of
 * bytes required to store the character string in the expression, NOT including
 * the null-terminating character.
 */

/* CWnd */
#if 0
/// \brief Returns the size (in bytes) of the contents of the window \c w, <b><i>not</i></b> including the null-terminating character
inline ms_size_t c_str_size(const CWnd &w)
{
    return c_str_len(w) * sizeof(TCHAR);
}
#endif /* 0 */

#if 0
inline ms_size_t c_str_size(const CListBox &w)
{
    return c_str_len(w) * sizeof(TCHAR);
}
#endif /* 0 */

#ifdef __AFXCMN_H__
#if 0
inline ms_size_t c_str_size(const CListCtrl &w)
{
    return c_str_len(w) * sizeof(TCHAR);
}
#endif /* 0 */

# ifdef __AFXCVIEW_H__
#if 0
inline ms_size_t c_str_size(const CListView &w)
{
    return c_str_size(w.GetListCtrl());
}
#endif /* 0 */
# endif /* __AFXCVIEW_H__ */
#endif /* __AFXCMN_H__ */

/* CString */
#if 0
/// \brief Returns the size (in bytes) of the CString \c s, <b><i>not</i></b> including the null-terminating character
inline ms_size_t c_str_size(const CString &s)
{
    return c_str_len(s) * sizeof(TCHAR);
}
#endif /* 0 */

////////////////////////////////////////////////////////////////////////////
// Unit-testing

#ifdef STLSOFT_UNITTEST
# include "./unittest/string_access_unittest_.h"
#endif /* STLSOFT_UNITTEST */

/* ////////////////////////////////////////////////////////////////////// */

#ifndef _MFCSTL_NO_NAMESPACE
# if defined(_STLSOFT_NO_NAMESPACE) || \
     defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
} // namespace mfcstl
# else
} // namespace stlsoft::mfcstl_project
} // namespace stlsoft
# endif /* _STLSOFT_NO_NAMESPACE */
#endif /* !_MFCSTL_NO_NAMESPACE */

/* /////////////////////////////////////////////////////////////////////////
 * Namespace
 *
 * The string access shims exist either in the stlsoft namespace, or in the
 * global namespace. This is required by the lookup rules.
 *
 */

#ifndef _MFCSTL_NO_NAMESPACE
# if !defined(_STLSOFT_NO_NAMESPACE) && \
     !defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
namespace stlsoft
{
# else /* ? _STLSOFT_NO_NAMESPACE */
/* There is no stlsoft namespace, so must define in the global namespace */
# endif /* !_STLSOFT_NO_NAMESPACE */

using ::mfcstl::c_str_ptr_null;
#if defined(UNICODE)
using ::mfcstl::c_str_ptr_null_w;
#else /* ? UNICODE */
using ::mfcstl::c_str_ptr_null_a;
#endif /* UNICODE */

using ::mfcstl::c_str_ptr;
#if defined(UNICODE)
using ::mfcstl::c_str_ptr_w;
#else /* ? UNICODE */
using ::mfcstl::c_str_ptr_a;
#endif /* UNICODE */

using ::mfcstl::c_str_data;
#if defined(UNICODE)
using ::mfcstl::c_str_data_w;
#else /* ? UNICODE */
using ::mfcstl::c_str_data_a;
#endif /* UNICODE */

using ::mfcstl::c_str_len;

#if 0
using ::mfcstl::c_str_size;
#endif /* 0 */

# if !defined(_STLSOFT_NO_NAMESPACE) && \
     !defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
} // namespace stlsoft
# else /* ? _STLSOFT_NO_NAMESPACE */
/* There is no stlsoft namespace, so must define in the global namespace */
# endif /* !_STLSOFT_NO_NAMESPACE */
#endif /* !_MFCSTL_NO_NAMESPACE */

/* /////////////////////////////////////////////////////////////////////////
 * Global namespace shims
 */

/* This defines an inserter function template for CString for use with the
 * Visual C++ <7.1 standard library.
 *
 * It cannot be defined as a template because that conflicts with operator << (CArchive &, CString const &)
 */

#if defined(STLSOFT_CF_STD_LIBRARY_IS_DINKUMWARE_VC) && \
    STLSOFT_CF_STD_LIBRARY_DINKUMWARE_VC_VERSION < STLSOFT_CF_DINKUMWARE_VC_VERSION_7_1

# include <iosfwd>

/* Has to be like this otherwise it conflicts with operator <<(class CArchive &,const class CString &) (at least with VC++ <7.1). */
inline mfcstl_ns_qual_std(basic_ostream)<TCHAR> &operator <<(mfcstl_ns_qual_std(basic_ostream)<TCHAR> &stm, CString const &shim)
{
    return stm << static_cast<LPCTSTR>(shim);
}

#endif /* library */

/* ////////////////////////////////////////////////////////////////////// */

#endif /* !MFCSTL_INCL_MFCSTL_HPP_STRING_ACCESS */

/* ////////////////////////////////////////////////////////////////////// */