public PackCheckResult TryGetTemplatesInPack(IInstalledPackInfo packInfo, IReadOnlyList <IAdditionalDataProducer> additionalDataProducers, HashSet <string> alreadySeenTemplateIdentities, bool persistHive = false)
{
ITemplateEngineHost host = CreateHost(packInfo);
EngineEnvironmentSettings environment = new EngineEnvironmentSettings(host, x => new SettingsLoader(x));
PackCheckResult checkResult;
try
{
if (TryInstallPackage(packInfo.Path, environment, out IReadOnlyList <ITemplateInfo> installedTemplates))
{
IReadOnlyList <ITemplateInfo> filteredInstalledTemplates = installedTemplates.Where(t => !alreadySeenTemplateIdentities.Contains(t.Identity)).ToList();
checkResult = new PackCheckResult(packInfo, filteredInstalledTemplates);
ProduceAdditionalDataForPack(additionalDataProducers, checkResult, environment);
}
else
{
IReadOnlyList <ITemplateInfo> foundTemplates = new List <ITemplateInfo>();
checkResult = new PackCheckResult(packInfo, foundTemplates);
}
}
catch
{
IReadOnlyList <ITemplateInfo> foundTemplates = new List <ITemplateInfo>();
checkResult = new PackCheckResult(packInfo, foundTemplates);
}
if (!persistHive)
{
TryCleanup(environment);
}
return(checkResult);
}
private static ITemplateEngineHost CreateHost(IInstalledPackInfo packInfo)
{
string hostIdentifier = HostIdentifierBase + packInfo.Id;
ITemplateEngineHost host = TemplateEngineHostHelper.CreateHost(hostIdentifier);
return(host);
}
public PreFilterResultList FilterPack(IInstalledPackInfo packInfo)
{
List <PreFilterResult> resultList = new List <PreFilterResult>();
foreach (Func <IInstalledPackInfo, PreFilterResult> filter in _preFilters)
{
PreFilterResult result = filter(packInfo);
resultList.Add(result);
}
return(new PreFilterResultList(resultList));
}
public void CreateDataForTemplatePack(IInstalledPackInfo packInfo, IReadOnlyList <ITemplateInfo> templateList, IEngineEnvironmentSettings environment)
{
IHostSpecificDataLoader hostDataLoader = new HostSpecificDataLoader(environment.SettingsLoader);
foreach (ITemplateInfo template in templateList)
{
HostSpecificTemplateData hostData = hostDataLoader.ReadHostSpecificTemplateData(template);
// store the host data if it has any info that could affect searching for this template.
if (hostData.IsHidden || hostData.SymbolInfo.Count > 0)
{
_hostDataForPackByTemplate[template.Identity] = hostData;
}
}
}
public PackCheckResult(IInstalledPackInfo packInfo, PreFilterResultList preFilterResults)
{
PackInfo = packInfo;
PreFilterResults = preFilterResults;
FoundTemplates = new List <ITemplateInfo>();
}
public PackCheckResult(IInstalledPackInfo packInfo, IReadOnlyList <ITemplateInfo> foundTemplates)
{
PackInfo = packInfo;
PreFilterResults = new PreFilterResultList();
FoundTemplates = foundTemplates;
}
private PackCheckResult PrefilterPackInfo(IInstalledPackInfo packInfo)
{
PreFilterResultList preFilterResult = _packPreFilterer.FilterPack(packInfo);
return(new PackCheckResult(packInfo, preFilterResult));
}
