internal override IEnumerable <HelpInfo> SearchHelp(
HelpRequest helpRequest,
bool searchOnlyContent)
{
using (AliasHelpProvider.tracer.TraceMethod())
{
if (!searchOnlyContent)
{
string target = helpRequest.Target;
string pattern = target;
if (!WildcardPattern.ContainsWildcardCharacters(target))
{
// ISSUE: reference to a compiler-generated field
this.\u003Cpattern\u003E5__a += "*";
}
WildcardPattern matcher = new WildcardPattern(pattern, WildcardOptions.IgnoreCase);
IDictionary <string, AliasInfo> aliasTable = this._sessionState.Internal.GetAliasTable();
foreach (string key in (IEnumerable <string>)aliasTable.Keys)
{
if (matcher.IsMatch(key))
{
HelpRequest exactMatchHelpRequest = helpRequest.Clone();
exactMatchHelpRequest.Target = key;
foreach (HelpInfo helpInfo in this.ExactMatchHelp(exactMatchHelpRequest))
{
if (AliasHelpProvider.Match(helpInfo, helpRequest))
{
yield return(helpInfo);
}
}
}
}
}
}
}
private static bool Match(string target, string[] patterns)
{
if (patterns == null || patterns.Length == 0)
{
return(true);
}
foreach (string pattern in patterns)
{
if (AliasHelpProvider.Match(target, pattern))
{
return(true);
}
}
return(false);
}
private static bool Match(HelpInfo helpInfo, HelpRequest helpRequest) => helpRequest == null || (helpRequest.HelpCategory & helpInfo.HelpCategory) != HelpCategory.None && AliasHelpProvider.Match(helpInfo.Component, helpRequest.Component) && (AliasHelpProvider.Match(helpInfo.Role, helpRequest.Role) && AliasHelpProvider.Match(helpInfo.Functionality, helpRequest.Functionality));