ATL::CW2AEX< t_nBufferLength > Class Template Reference

#include <atlconv.h>

Public Member Functions
	CW2AEX (_In_z_ LPCWSTR psz)
	CW2AEX (_In_z_ LPCWSTR psz, _In_ UINT nCodePage)
	~CW2AEX () noexcept
_Ret_z_	operator LPSTR () const noexcept

Public Attributes
LPSTR	m_psz
char	m_szBuffer [t_nBufferLength]

Private Member Functions
	CW2AEX (_In_ const CW2AEX &) noexcept=delete
CW2AEX &	operator= (_In_ const CW2AEX &) noexcept=delete
void	Init (_In_z_ LPCWSTR psz, _In_ UINT nConvertCodePage)

Detailed Description

template<int t_nBufferLength = 128>
class ATL::CW2AEX< t_nBufferLength >

Definition at line 256 of file atlconv.h.

Constructor & Destructor Documentation

CW2AEX() [1/3]

template<int t_nBufferLength = 128>

ATL::CW2AEX< t_nBufferLength >::CW2AEX ( _In_z_ LPCWSTR  psz )

inline

Definition at line 262 of file atlconv.h.

    {
        Init(psz, CP_ACP);
    }

CW2AEX() [2/3]

template<int t_nBufferLength = 128>

ATL::CW2AEX< t_nBufferLength >::CW2AEX ( _In_z_ LPCWSTR  psz, _In_ UINT  nCodePage  )

inline

Definition at line 267 of file atlconv.h.

    {
        Init(psz, nCodePage);
    }

~CW2AEX()

template<int t_nBufferLength = 128>

ATL::CW2AEX< t_nBufferLength >::~CW2AEX ( )

inlinenoexcept

Definition at line 272 of file atlconv.h.

    {
        if (m_psz != m_szBuffer)
            free(m_psz);
    }

CW2AEX() [3/3]

template<int t_nBufferLength = 128>

ATL::CW2AEX< t_nBufferLength >::CW2AEX ( _In_ const CW2AEX< t_nBufferLength > &  )

privatedeletenoexcept

Member Function Documentation

Init()

template<int t_nBufferLength = 128>

void ATL::CW2AEX< t_nBufferLength >::Init ( _In_z_ LPCWSTR  psz, _In_ UINT  nConvertCodePage  )

inlineprivate

Definition at line 288 of file atlconv.h.

    {
        if (!psz)
        {
            m_psz = NULL;
            m_szBuffer[0] = 0;
            return;
        }
 
        // NOTE: This has a failure.
        int cchMax = WideCharToMultiByte(nConvertCodePage, 0, psz, -1, NULL, 0, NULL, NULL);
        if (cchMax <= (int)_countof(m_szBuffer))
        {
            // Use the static buffer
            m_psz = m_szBuffer;
            cchMax = _countof(m_szBuffer);
        }
        else
        {
            // Allocate a new buffer
            m_szBuffer[0] = 0;
            m_psz = (LPSTR)malloc(cchMax * sizeof(CHAR));
            if (!m_psz)
                AtlThrow(E_OUTOFMEMORY);
        }
 
        WideCharToMultiByte(nConvertCodePage, 0, psz, -1, m_psz, cchMax, NULL, NULL);
        m_psz[cchMax - 1] = 0;
    }

operator LPSTR()

template<int t_nBufferLength = 128>

_Ret_z_ ATL::CW2AEX< t_nBufferLength >::operator LPSTR ( ) const

inlinenoexcept

Definition at line 278 of file atlconv.h.

    {
        return m_psz;
    }

operator=()

template<int t_nBufferLength = 128>

CW2AEX & ATL::CW2AEX< t_nBufferLength >::operator= ( _In_ const CW2AEX< t_nBufferLength > &  )

privatedeletenoexcept

Member Data Documentation

m_psz

template<int t_nBufferLength = 128>

LPSTR ATL::CW2AEX< t_nBufferLength >::m_psz

Definition at line 259 of file atlconv.h.

Referenced by ATL::CW2AEX< t_nBufferLength >::Init(), ATL::CW2AEX< t_nBufferLength >::operator LPSTR(), START_TEST(), and ATL::CW2AEX< t_nBufferLength >::~CW2AEX().

m_szBuffer

template<int t_nBufferLength = 128>

char ATL::CW2AEX< t_nBufferLength >::m_szBuffer[t_nBufferLength]

Definition at line 260 of file atlconv.h.

Referenced by ATL::CW2AEX< t_nBufferLength >::Init(), START_TEST(), and ATL::CW2AEX< t_nBufferLength >::~CW2AEX().

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The documentation for this class was generated from the following file:

• sdk/lib/atl/atlconv.h