/// <summary>
/// Override SearchHelp to find a dsc resource help matching a pattern.
/// </summary>
/// <param name="helpRequest">Help request.</param>
/// <param name="searchOnlyContent">Not used.</param>
/// <returns></returns>
internal override IEnumerable <HelpInfo> SearchHelp(HelpRequest helpRequest, bool searchOnlyContent)
{
Debug.Assert(helpRequest != null, "helpRequest cannot be null.");
string target = helpRequest.Target;
Collection <string> patternList = new Collection <string>();
bool decoratedSearch = !WildcardPattern.ContainsWildcardCharacters(helpRequest.Target);
if (decoratedSearch)
{
patternList.Add("*" + target + "*");
}
else
{
patternList.Add(target);
}
foreach (string pattern in patternList)
{
DscResourceSearcher searcher = new DscResourceSearcher(pattern, _context);
foreach (var helpInfo in GetHelpInfo(searcher))
{
if (helpInfo != null)
{
yield return(helpInfo);
}
}
}
}
/// <summary>
/// Override ExactMatchHelp to find the matching DscResource matching help request.
/// </summary>
/// <param name="helpRequest">Help Request for the search.</param>
/// <returns>Enumerable of HelpInfo objects.</returns>
internal override IEnumerable <HelpInfo> ExactMatchHelp(HelpRequest helpRequest)
{
Debug.Assert(helpRequest != null, "helpRequest cannot be null.");
if ((helpRequest.HelpCategory & Automation.HelpCategory.DscResource) == 0)
{
yield return(null);
}
string target = helpRequest.Target;
DscResourceSearcher searcher = new DscResourceSearcher(target, _context);
foreach (var helpInfo in GetHelpInfo(searcher))
{
if (helpInfo != null)
{
yield return(helpInfo);
}
}
}
/// <summary>
/// Get the help in for the DscResource Info. ///
/// </summary>
/// <param name="searcher">Searcher for DscResources.</param>
/// <returns>Next HelpInfo object.</returns>
private IEnumerable <HelpInfo> GetHelpInfo(DscResourceSearcher searcher)
{
while (searcher.MoveNext())
{
DscResourceInfo current = ((IEnumerator <DscResourceInfo>)searcher).Current;
string moduleName = null;
string moduleDir = current.ParentPath;
// for binary modules, current.Module is empty.
// in such cases use the leaf folder of ParentPath as filename.
if (current.Module != null)
{
moduleName = current.Module.Name;
}
else if (!String.IsNullOrEmpty(moduleDir))
{
string[] splitPath = moduleDir.Split(Utils.Separators.Backslash);
moduleName = splitPath[splitPath.Length - 1];
}
if (!String.IsNullOrEmpty(moduleName) && !String.IsNullOrEmpty(moduleDir))
{
string helpFileToFind = moduleName + "-Help.xml";
string helpFileName = null;
Collection <string> searchPaths = new Collection <string>();
searchPaths.Add(moduleDir);
HelpInfo helpInfo = GetHelpInfoFromHelpFile(current, helpFileToFind, searchPaths, true, out helpFileName);
if (helpInfo != null)
{
yield return(helpInfo);
}
}
}
}
