private IEnumerable <HelpInfo> SearchHelp(HelpRequest helpRequest)
{
int iteratorVariable0 = 0;
bool searchOnlyContent = false;
bool iteratorVariable2 = false;
HelpProgressInfo arg = new HelpProgressInfo {
Activity = StringUtil.Format(HelpDisplayStrings.SearchingForHelpContent, helpRequest.Target),
Completed = false,
PercentComplete = 0
};
this.OnProgress(this, arg);
do
{
if (searchOnlyContent)
{
iteratorVariable2 = true;
}
for (int i = 0; i < this.HelpProviders.Count; i++)
{
HelpProvider iteratorVariable5 = (HelpProvider)this.HelpProviders[i];
if ((iteratorVariable5.HelpCategory & helpRequest.HelpCategory) > HelpCategory.None)
{
foreach (HelpInfo iteratorVariable6 in iteratorVariable5.SearchHelp(helpRequest, searchOnlyContent))
{
if (this._executionContext.CurrentPipelineStopping)
{
break;
}
iteratorVariable0++;
yield return(iteratorVariable6);
if ((iteratorVariable0 >= helpRequest.MaxResults) && (helpRequest.MaxResults > 0))
{
break;
}
}
}
}
if (iteratorVariable0 > 0)
{
break;
}
searchOnlyContent = true;
if (this.HelpProviders.Count > 0)
{
arg.PercentComplete += 100 / this.HelpProviders.Count;
this.OnProgress(this, arg);
}
}while (!iteratorVariable2);
}
private IEnumerable <HelpInfo> SearchHelp(HelpRequest helpRequest)
{
int countOfHelpInfosFound = 0;
bool searchInHelpContent = false;
bool shouldBreak = false;
do
{
if (searchInHelpContent)
{
shouldBreak = true;
}
for (int i = 0; i < this.HelpProviders.Count; ++i)
{
HelpProvider helpProvider = (HelpProvider)this.HelpProviders[i];
if ((helpProvider.HelpCategory & helpRequest.HelpCategory) > HelpCategory.None)
{
foreach (HelpInfo helpInfo in helpProvider.SearchHelp(helpRequest, searchInHelpContent))
{
++countOfHelpInfosFound;
yield return(helpInfo);
if (countOfHelpInfosFound >= helpRequest.MaxResults && helpRequest.MaxResults > 0)
{
yield break;
}
}
}
}
if (countOfHelpInfosFound <= 0)
{
searchInHelpContent = true;
}
else
{
goto label_13;
}
}while (!shouldBreak);
goto label_16;
label_13:
yield break;
label_16 :;
}
/// <summary>
/// Get help that exactly match the target
/// </summary>
/// <param name="helpRequest">help request object</param>
/// <returns>An IEnumerable of HelpInfo object</returns>
private IEnumerable <HelpInfo> SearchHelp(HelpRequest helpRequest)
{
int countOfHelpInfosFound = 0;
bool searchInHelpContent = false;
bool shouldBreak = false;
HelpProgressInfo progress = new HelpProgressInfo();
progress.Activity = StringUtil.Format(HelpDisplayStrings.SearchingForHelpContent, helpRequest.Target);
progress.Completed = false;
progress.PercentComplete = 0;
try
{
OnProgress(this, progress);
// algorithm:
// 1. Search for pattern (helpRequest.Target) in command name
// 2. If Step 1 fails then search for pattern in help content
do
{
// we should not continue the search loop if we are
// searching in the help content (as this is the last step
// in our search algorithm).
if (searchInHelpContent)
{
shouldBreak = true;
}
for (int i = 0; i < this.HelpProviders.Count; i++)
{
HelpProvider helpProvider = (HelpProvider)this.HelpProviders[i];
if ((helpProvider.HelpCategory & helpRequest.HelpCategory) > 0)
{
foreach (HelpInfo helpInfo in helpProvider.SearchHelp(helpRequest, searchInHelpContent))
{
if (_executionContext.CurrentPipelineStopping)
{
yield break;
}
countOfHelpInfosFound++;
yield return(helpInfo);
if ((countOfHelpInfosFound >= helpRequest.MaxResults) && (helpRequest.MaxResults > 0))
{
yield break;
}
}
}
}
// no need to do help content search once we have some help topics
// with command name search.
if (countOfHelpInfosFound > 0)
{
yield break;
}
// appears that we did not find any help matching command names..look for
// pattern in help content.
searchInHelpContent = true;
if (this.HelpProviders.Count > 0)
{
progress.PercentComplete += (100 / this.HelpProviders.Count);
OnProgress(this, progress);
}
} while (!shouldBreak);
}
finally
{
progress.Completed = true;
progress.PercentComplete = 100;
OnProgress(this, progress);
}
}