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#include "msihelper.hxx"
#include <malloc.h>
#include <assert.h>
bool GetMsiProp(MSIHANDLE handle, LPCTSTR name, /*out*/std::wstring& value)
{
DWORD sz = 0;
LPTSTR dummy = TEXT("");
if (MsiGetProperty(handle, name, dummy, &sz) == ERROR_MORE_DATA)
{
sz++;
DWORD nbytes = sz * sizeof(TCHAR);
LPTSTR buff = reinterpret_cast<LPTSTR>(_alloca(nbytes));
ZeroMemory(buff, nbytes);
MsiGetProperty(handle, name, buff, &sz);
value = buff;
return true;
}
return false;
}
void SetMsiProp(MSIHANDLE handle, LPCTSTR name)
{
MsiSetProperty(handle, name, TEXT("1"));
}
void UnsetMsiProp(MSIHANDLE handle, LPCTSTR name)
{
MsiSetProperty(handle, name, TEXT(""));
}
bool IsSetMsiProp(MSIHANDLE handle, LPCTSTR name)
{
std::wstring val;
GetMsiProp(handle, name, val);
return (val == TEXT("1"));
}
bool IsMsiPropNotEmpty(MSIHANDLE handle, LPCTSTR name)
{
std::wstring val;
GetMsiProp(handle, name, val);
return (val != TEXT(""));
}
bool IsAllUserInstallation(MSIHANDLE handle)
{
return IsSetMsiProp(handle, TEXT("ALLUSERS"));
}
std::wstring GetOfficeInstallationPath(MSIHANDLE handle)
{
std::wstring progpath;
GetMsiProp(handle, TEXT("INSTALLLOCATION"), progpath);
return progpath;
}
std::wstring GetOfficeExecutablePath(MSIHANDLE handle)
{
std::wstring exepath = GetOfficeInstallationPath(handle);
exepath += TEXT("program\\soffice.exe");
return exepath;
}
std::wstring GetProductName(MSIHANDLE handle)
{
std::wstring prodname;
GetMsiProp(handle, TEXT("ProductName"), prodname);
return prodname;
}
bool IsModuleInstalled(MSIHANDLE handle, LPCTSTR name)
{
INSTALLSTATE current_state;
INSTALLSTATE future_state;
MsiGetFeatureState(handle, name, ¤t_state, &future_state);
return (current_state == INSTALLSTATE_LOCAL);
}
bool IsModuleSelectedForInstallation(MSIHANDLE handle, LPCTSTR name)
{
INSTALLSTATE current_state;
INSTALLSTATE future_state;
MsiGetFeatureState(handle, name, ¤t_state, &future_state);
return (future_state == INSTALLSTATE_LOCAL);
}
bool IsModuleSelectedForDeinstallation(MSIHANDLE handle, LPCTSTR name)
{
INSTALLSTATE current_state;
INSTALLSTATE future_state;
MsiGetFeatureState(handle, name, ¤t_state, &future_state);
return ((current_state == INSTALLSTATE_LOCAL) && (future_state == INSTALLSTATE_ABSENT));
}
bool IsCompleteDeinstallation(MSIHANDLE handle)
{
std::wstring rm;
GetMsiProp(handle, TEXT("REMOVE"), rm);
return (rm == TEXT("ALL"));
}
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