CFileVersionInfo Class Reference

#include <filedefext.h>

Collaboration diagram for CFileVersionInfo:

Classes
struct	_LANGANDCODEPAGE_

Public Member Functions
	CFileVersionInfo ()
	~CFileVersionInfo ()
BOOL	Load (LPCWSTR pwszPath)
LPCWSTR	GetString (LPCWSTR pwszName)
VS_FIXEDFILEINFO *	GetFixedInfo ()
LPCWSTR	GetLangName ()

Private Types
typedef struct CFileVersionInfo::_LANGANDCODEPAGE_	LANGANDCODEPAGE
typedef struct CFileVersionInfo::_LANGANDCODEPAGE_ *	LPLANGANDCODEPAGE

Private Attributes
PVOID	m_pInfo
WORD	m_wLang
WORD	m_wCode
WCHAR	m_wszLang [64]

Detailed Description

Definition at line 24 of file filedefext.h.

Member Typedef Documentation

LANGANDCODEPAGE

typedef struct CFileVersionInfo::_LANGANDCODEPAGE_ CFileVersionInfo::LANGANDCODEPAGE

private

LPLANGANDCODEPAGE

typedef struct CFileVersionInfo::_LANGANDCODEPAGE_ * CFileVersionInfo::LPLANGANDCODEPAGE

private

Constructor & Destructor Documentation

CFileVersionInfo()

CFileVersionInfo::CFileVersionInfo ( )

inline

Definition at line 38 of file filedefext.h.

                                 :
            m_pInfo(NULL), m_wLang(0), m_wCode(0)
        {
            m_wszLang[0] = L'\0';
        }

~CFileVersionInfo()

CFileVersionInfo::~CFileVersionInfo ( )

inline

Definition at line 44 of file filedefext.h.

        {
            if (m_pInfo)
                HeapFree(GetProcessHeap(), 0, m_pInfo);
        }

Member Function Documentation

GetFixedInfo()

VS_FIXEDFILEINFO * CFileVersionInfo::GetFixedInfo

(

)

Definition at line 153 of file filedefext.cpp.

{
    if (!m_pInfo)
        return NULL;
 
    VS_FIXEDFILEINFO *pInfo;
    UINT cBytes;
    if (!VerQueryValueW(m_pInfo, L"\\", (PVOID*)&pInfo, &cBytes))
        return NULL;
    return pInfo;
}

Referenced by CFileDefExt::InitVersionPage().

GetLangName()

LPCWSTR CFileVersionInfo::GetLangName

(

)

Definition at line 165 of file filedefext.cpp.

{
    if (!m_pInfo)
        return NULL;
 
    if (!m_wszLang[0])
    {
        if (!VerLanguageNameW(m_wLang, m_wszLang, _countof(m_wszLang)))
            ERR("VerLanguageNameW failed\n");
    }
 
    return m_wszLang;
}

Referenced by CFileDefExt::InitVersionPage().

GetString()

LPCWSTR CFileVersionInfo::GetString

(

LPCWSTR

pwszName

)

Definition at line 123 of file filedefext.cpp.

{
    if (!m_pInfo)
        return NULL;
 
    WCHAR wszBuf[256];
    swprintf(wszBuf, L"\\StringFileInfo\\%04x%04x\\%s", m_wLang, m_wCode, pwszName);
 
    /* Query string in version block */
    LPCWSTR pwszResult = NULL;
    UINT cBytes = 0;
    if (!VerQueryValueW(m_pInfo, wszBuf, (LPVOID *)&pwszResult, &cBytes))
        pwszResult = NULL;
 
    if (!pwszResult)
    {
        /* Try US English */
        swprintf(wszBuf, L"\\StringFileInfo\\%04x%04x\\%s", MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), 1252, pwszName);
        if (!VerQueryValueW(m_pInfo, wszBuf, (LPVOID *)&pwszResult, &cBytes))
            pwszResult = NULL;
    }
 
    if (!pwszResult)
        ERR("VerQueryValueW %ls failed\n", pwszName);
    else
        TRACE("%ls: %ls\n", pwszName, pwszResult);
 
    return pwszResult;
}

Referenced by CFileDefExt::AddVersionString(), CFileDefExt::InitGeneralPage(), CFileDefExt::InitOpensWithField(), and CFileDefExt::SetVersionLabel().

Load()

BOOL CFileVersionInfo::Load

(

LPCWSTR

pwszPath

)

Definition at line 82 of file filedefext.cpp.

{
    ULONG cbInfo = GetFileVersionInfoSizeW(pwszPath, NULL);
    if (!cbInfo)
    {
        WARN("GetFileVersionInfoSize %ls failed\n", pwszPath);
        return FALSE;
    }
 
    m_pInfo = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, cbInfo);
    if (!m_pInfo)
    {
        ERR("HeapAlloc failed bytes %x\n", cbInfo);
        return FALSE;
    }
 
    if (!GetFileVersionInfoW(pwszPath, 0, cbInfo, m_pInfo))
    {
        ERR("GetFileVersionInfoW failed\n");
        return FALSE;
    }
 
    LPLANGANDCODEPAGE lpLangCode;
    UINT cBytes;
    if (!VerQueryValueW(m_pInfo, L"\\VarFileInfo\\Translation", (LPVOID *)&lpLangCode, &cBytes) || cBytes < sizeof(LANGANDCODEPAGE))
    {
        ERR("VerQueryValueW failed\n");
        return FALSE;
    }
 
    /* FIXME: find language from current locale / if not available,
     * default to english
     * for now default to first available language
     */
    m_wLang = lpLangCode->wLang;
    m_wCode = lpLangCode->wCode;
    TRACE("Lang %hx Code %hu\n", m_wLang, m_wCode);
 
    return TRUE;
}

Referenced by CFileDefExt::Initialize(), and CFileDefExt::InitOpensWithField().

Member Data Documentation

m_pInfo

PVOID CFileVersionInfo::m_pInfo

private

Definition at line 27 of file filedefext.h.

Referenced by GetFixedInfo(), GetLangName(), GetString(), Load(), and ~CFileVersionInfo().

m_wCode

WORD CFileVersionInfo::m_wCode

private

Definition at line 28 of file filedefext.h.

Referenced by GetString(), and Load().

m_wLang

WORD CFileVersionInfo::m_wLang

private

Definition at line 28 of file filedefext.h.

Referenced by GetLangName(), GetString(), and Load().

m_wszLang

WCHAR CFileVersionInfo::m_wszLang[64]

private

Definition at line 29 of file filedefext.h.

Referenced by CFileVersionInfo(), and GetLangName().

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

• dll/win32/shell32/dialogs/filedefext.h
• dll/win32/shell32/dialogs/filedefext.cpp