setup_native/source/win32/customactions/reg4msdoc/msihelper.cxx

   1 #include "msihelper.hxx"
   2
   3 #include <malloc.h>
   4 #include <assert.h>
   5
   6 bool GetMsiProp(MSIHANDLE handle, LPCTSTR name, /*out*/std::wstring& value)
   7 {
   8     DWORD sz = 0;
   9     LPTSTR dummy = TEXT("");
  10     if (MsiGetProperty(handle, name, dummy, &sz) == ERROR_MORE_DATA)
  11     {
  12         sz++;
  13         DWORD nbytes = sz * sizeof(TCHAR);
  14         LPTSTR buff = reinterpret_cast<LPTSTR>(_alloca(nbytes));
  15         ZeroMemory(buff, nbytes);
  16         MsiGetProperty(handle, name, buff, &sz);
  17         value = buff;
  18         return true;
  19     }
  20     return false;
  21 }
  22
  23 void SetMsiProp(MSIHANDLE handle, LPCTSTR name)
  24 {
  25     MsiSetProperty(handle, name, TEXT("1"));
  26 }
  27
  28 void UnsetMsiProp(MSIHANDLE handle, LPCTSTR name)
  29 {
  30     MsiSetProperty(handle, name, TEXT(""));
  31 }
  32
  33 bool IsSetMsiProp(MSIHANDLE handle, LPCTSTR name)
  34 {
  35     std::wstring val;
  36     GetMsiProp(handle, name, val);
  37     return (val == TEXT("1"));
  38 }
  39
  40 bool IsMsiPropNotEmpty(MSIHANDLE handle, LPCTSTR name)
  41 {
  42     std::wstring val;
  43     GetMsiProp(handle, name, val);
  44     return (val != TEXT(""));
  45 }
  46
  47 bool IsAllUserInstallation(MSIHANDLE handle)
  48 {
  49     return IsSetMsiProp(handle, TEXT("ALLUSERS"));
  50 }
  51
  52 std::wstring GetOfficeInstallationPath(MSIHANDLE handle)
  53 {
  54     std::wstring progpath;
  55     GetMsiProp(handle, TEXT("OFFICEINSTALLLOCATION"), progpath);
  56     return progpath;
  57 }
  58
  59 std::wstring GetOfficeExecutablePath(MSIHANDLE handle)
  60 {
  61     std::wstring exepath = GetOfficeInstallationPath(handle);
  62     exepath += TEXT("program\\soffice.exe");
  63     return exepath;
  64 }
  65
  66 std::wstring GetProductName(MSIHANDLE handle)
  67 {
  68     std::wstring prodname;
  69     GetMsiProp(handle, TEXT("ProductName"), prodname);
  70     return prodname;
  71 }
  72
  73 bool IsModuleInstalled(MSIHANDLE handle, LPCTSTR name)
  74 {
  75     INSTALLSTATE current_state;
  76     INSTALLSTATE future_state;
  77     MsiGetFeatureState(handle, name, &current_state, &future_state);
  78     return (current_state == INSTALLSTATE_LOCAL);
  79 }
  80
  81 bool IsModuleSelectedForInstallation(MSIHANDLE handle, LPCTSTR name)
  82 {
  83     INSTALLSTATE current_state;
  84     INSTALLSTATE future_state;
  85     MsiGetFeatureState(handle, name, &current_state, &future_state);
  86     return (future_state == INSTALLSTATE_LOCAL);
  87 }
  88
  89 bool IsModuleSelectedForDeinstallation(MSIHANDLE handle, LPCTSTR name)
  90 {
  91     INSTALLSTATE current_state;
  92     INSTALLSTATE future_state;
  93     MsiGetFeatureState(handle, name, &current_state, &future_state);
  94     return ((current_state == INSTALLSTATE_LOCAL) && (future_state == INSTALLSTATE_ABSENT));
  95 }
  96
  97 bool IsCompleteDeinstallation(MSIHANDLE handle)
  98 {
  99     std::wstring rm;
 100     GetMsiProp(handle, TEXT("REMOVE"), rm);
 101     return (rm == TEXT("ALL"));
 102 }