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

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 #include "msihelper.hxx"
   3
   4 #include <malloc.h>
   5 #include <assert.h>
   6
   7 bool GetMsiProp(MSIHANDLE handle, LPCTSTR name, /*out*/std::wstring& value)
   8 {
   9     DWORD sz = 0;
  10     LPTSTR dummy = TEXT("");
  11     if (MsiGetProperty(handle, name, dummy, &sz) == ERROR_MORE_DATA)
  12     {
  13         sz++;
  14         DWORD nbytes = sz * sizeof(TCHAR);
  15         LPTSTR buff = reinterpret_cast<LPTSTR>(_alloca(nbytes));
  16         ZeroMemory(buff, nbytes);
  17         MsiGetProperty(handle, name, buff, &sz);
  18         value = buff;
  19         return true;
  20     }
  21     return false;
  22 }
  23
  24 void SetMsiProp(MSIHANDLE handle, LPCTSTR name)
  25 {
  26     MsiSetProperty(handle, name, TEXT("1"));
  27 }
  28
  29 void UnsetMsiProp(MSIHANDLE handle, LPCTSTR name)
  30 {
  31     MsiSetProperty(handle, name, TEXT(""));
  32 }
  33
  34 bool IsSetMsiProp(MSIHANDLE handle, LPCTSTR name)
  35 {
  36     std::wstring val;
  37     GetMsiProp(handle, name, val);
  38     return (val == TEXT("1"));
  39 }
  40
  41 bool IsMsiPropNotEmpty(MSIHANDLE handle, LPCTSTR name)
  42 {
  43     std::wstring val;
  44     GetMsiProp(handle, name, val);
  45     return (val != TEXT(""));
  46 }
  47
  48 bool IsAllUserInstallation(MSIHANDLE handle)
  49 {
  50     return IsSetMsiProp(handle, TEXT("ALLUSERS"));
  51 }
  52
  53 std::wstring GetOfficeInstallationPath(MSIHANDLE handle)
  54 {
  55     std::wstring progpath;
  56     GetMsiProp(handle, TEXT("INSTALLLOCATION"), progpath);
  57     return progpath;
  58 }
  59
  60 std::wstring GetOfficeExecutablePath(MSIHANDLE handle)
  61 {
  62     std::wstring exepath = GetOfficeInstallationPath(handle);
  63     exepath += TEXT("program\\soffice.exe");
  64     return exepath;
  65 }
  66
  67 std::wstring GetProductName(MSIHANDLE handle)
  68 {
  69     std::wstring prodname;
  70     GetMsiProp(handle, TEXT("ProductName"), prodname);
  71     return prodname;
  72 }
  73
  74 bool IsModuleInstalled(MSIHANDLE handle, LPCTSTR name)
  75 {
  76     INSTALLSTATE current_state;
  77     INSTALLSTATE future_state;
  78     MsiGetFeatureState(handle, name, &current_state, &future_state);
  79     return (current_state == INSTALLSTATE_LOCAL);
  80 }
  81
  82 bool IsModuleSelectedForInstallation(MSIHANDLE handle, LPCTSTR name)
  83 {
  84     INSTALLSTATE current_state;
  85     INSTALLSTATE future_state;
  86     MsiGetFeatureState(handle, name, &current_state, &future_state);
  87     return (future_state == INSTALLSTATE_LOCAL);
  88 }
  89
  90 bool IsModuleSelectedForDeinstallation(MSIHANDLE handle, LPCTSTR name)
  91 {
  92     INSTALLSTATE current_state;
  93     INSTALLSTATE future_state;
  94     MsiGetFeatureState(handle, name, &current_state, &future_state);
  95     return ((current_state == INSTALLSTATE_LOCAL) && (future_state == INSTALLSTATE_ABSENT));
  96 }
  97
  98 bool IsCompleteDeinstallation(MSIHANDLE handle)
  99 {
 100     std::wstring rm;
 101     GetMsiProp(handle, TEXT("REMOVE"), rm);
 102     return (rm == TEXT("ALL"));
 103 }
 104
 105 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */