// ////////////////////////////////////////////////////////////////////////////
bool LocateDllPredicate::IsMatchingDllInternal(const std::string &full_name)
{
MLB::Utility::VersionNumber this_version;
DetermineProductVersion(full_name).swap(this_version);
candidate_list_.push_back(DllMatchItem(full_name, this_version));
matched_list_.push_back(DllMatchItem(full_name, this_version));
if (matched_list_.size() == 1)
best_match_ = matched_list_.front();
return(true);
}
// ////////////////////////////////////////////////////////////////////////////
void DllLoader::LoadDll()
{
if (IsLoaded())
return;
HMODULE this_handle;
MLB::Utility::VersionNumber this_version;
if ((this_handle = OS_GetModuleHandle(dll_name_, false)) != NULL) {
if (!(dll_load_flags_ & PassIfAlreadyLoaded))
MLB::Utility::ThrowException("Unable to load dll '" + dll_name_ +
"' because it is already loaded into this process's address "
"space.");
try {
std::string tmp_name(OS_GetModuleFileName(this_handle));
MLB::Utility::VersionNumber tmp_version(
DetermineProductVersion(tmp_name));
this_version = tmp_version;
if (!dll_predicate_ptr_->IsVersionMatch(tmp_name))
MLB::Utility::ThrowException("The matching predicate reports that "
"the loaded dll (product version " + tmp_version.ToString() +
") is not compatible (" +
dll_predicate_ptr_->DescribePredicate() + ").");
}
catch (const std::exception &except) {
MLB::Utility::Rethrow(except, "Unable to load dll '" + dll_name_ +
"' which is already loaded into this process's address space: " +
std::string(except.what()));
}
}
else if ((this_handle = ResolveAndLoadDll(dll_name_, *dll_predicate_ptr_,
dll_full_name_)) == NULL)
MLB::Utility::ThrowException("Unable to load dll '" + dll_name_ +
"' because it could not be located (a total of " +
MLB::Utility::AnyToString(dll_predicate_ptr_->candidate_list_.size()) +
" potential candidate(s) were found, with the highest version number "
"being " + dll_predicate_ptr_->GetBestMatchVersion().ToString() +
").");
else
this_version = dll_predicate_ptr_->GetBestMatchVersion();
dll_handle_ = this_handle;
dll_version_ = this_version;
}
