Files
easy7zip/Windows/DLL.cpp
Igor Pavlov 8c1b5c7b7e 3.13
2016-05-28 00:15:41 +01:00

114 lines
2.5 KiB
C++
Executable File

// Windows/DLL.cpp
#include "StdAfx.h"
#include "DLL.h"
#include "Defs.h"
#ifndef _UNICODE
#include "../Common/StringConvert.h"
#endif
namespace NWindows {
namespace NDLL {
CLibrary::~CLibrary()
{
Free();
}
bool CLibrary::Free()
{
if (_module == 0)
return true;
// MessageBox(0, TEXT(""), TEXT("Free"), 0);
// Sleep(5000);
if (!::FreeLibrary(_module))
return false;
_module = 0;
return true;
}
bool CLibrary::LoadOperations(HMODULE newModule)
{
if (newModule == NULL)
return false;
if(!Free())
return false;
_module = newModule;
return true;
}
bool CLibrary::LoadEx(LPCTSTR fileName, DWORD flags)
{
// MessageBox(0, fileName, TEXT("LoadEx"), 0);
return LoadOperations(::LoadLibraryEx(fileName, NULL, flags));
}
bool CLibrary::Load(LPCTSTR fileName)
{
// MessageBox(0, fileName, TEXT("Load"), 0);
// Sleep(5000);
// OutputDebugString(fileName);
// OutputDebugString(TEXT("\n"));
return LoadOperations(::LoadLibrary(fileName));
}
#ifndef _UNICODE
static inline UINT GetCurrentCodePage()
{ return ::AreFileApisANSI() ? CP_ACP : CP_OEMCP; }
bool CLibrary::LoadEx(LPCWSTR fileName, DWORD flags)
{
HMODULE module = ::LoadLibraryExW(fileName, NULL, flags);
if (module != 0)
return LoadOperations(module);
if (::GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
return false;
return LoadEx(UnicodeStringToMultiByte(fileName, GetCurrentCodePage()), flags);
}
bool CLibrary::Load(LPCWSTR fileName)
{
HMODULE module = ::LoadLibraryW(fileName);
if (module != 0)
return LoadOperations(module);
if (::GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
return false;
return Load(UnicodeStringToMultiByte(fileName, GetCurrentCodePage()));
}
#endif
bool MyGetModuleFileName(HMODULE hModule, CSysString &result)
{
result.Empty();
TCHAR fullPath[MAX_PATH + 2];
DWORD size = ::GetModuleFileName(hModule, fullPath, MAX_PATH + 1);
if (size <= MAX_PATH && size != 0)
{
result = fullPath;
return true;
}
return false;
}
#ifndef _UNICODE
bool MyGetModuleFileName(HMODULE hModule, UString &result)
{
result.Empty();
wchar_t fullPath[MAX_PATH + 2];
DWORD size = ::GetModuleFileNameW(hModule, fullPath, MAX_PATH + 1);
if (size <= MAX_PATH && size != 0)
{
result = fullPath;
return true;
}
if (::GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
return false;
CSysString resultSys;
if (!MyGetModuleFileName(hModule, resultSys))
return false;
result = MultiByteToUnicodeString(resultSys, GetCurrentCodePage());
return true;
}
#endif
}}