private ScriptInfo GetNextBuiltinScript()
{
ScriptInfo scriptInfo = (ScriptInfo)null;
if ((this.commandResolutionOptions & SearchResolutionOptions.CommandNameIsPattern) != SearchResolutionOptions.None)
{
if (this.matchingScript == null)
{
Collection <string> collection = new Collection <string>();
WildcardPattern wildcardPattern1 = new WildcardPattern(this.commandName, WildcardOptions.IgnoreCase);
WildcardPattern wildcardPattern2 = new WildcardPattern(this.commandName + ".ps1", WildcardOptions.IgnoreCase);
foreach (string key in this._context.CommandDiscovery.ScriptCache.Keys)
{
if (wildcardPattern1.IsMatch(key) || wildcardPattern2.IsMatch(key))
{
collection.Add(key);
}
}
this.matchingScript = collection.GetEnumerator();
}
if (!this.matchingScript.MoveNext())
{
this.currentState = CommandSearcher.SearchState.BuiltinScriptResolution;
this.matchingScript = (IEnumerator <string>)null;
}
else
{
scriptInfo = this._context.CommandDiscovery.GetScriptInfo(this.matchingScript.Current);
}
}
else
{
this.currentState = CommandSearcher.SearchState.BuiltinScriptResolution;
scriptInfo = this._context.CommandDiscovery.GetScriptInfo(this.commandName) ?? this._context.CommandDiscovery.GetScriptInfo(this.commandName + ".ps1");
}
if (scriptInfo != null)
{
CommandDiscovery.discoveryTracer.WriteLine("Script found: {0}", (object)scriptInfo.Name);
}
return(scriptInfo);
}
private CommandInfo GetNextAlias()
{
CommandInfo commandInfo = (CommandInfo)null;
if ((this.commandResolutionOptions & SearchResolutionOptions.ResolveAliasPatterns) != SearchResolutionOptions.None)
{
if (this.matchingAlias == null)
{
Collection <AliasInfo> collection = new Collection <AliasInfo>();
WildcardPattern wildcardPattern = new WildcardPattern(this.commandName, WildcardOptions.IgnoreCase);
foreach (KeyValuePair <string, AliasInfo> keyValuePair in (IEnumerable <KeyValuePair <string, AliasInfo> >) this._context.EngineSessionState.GetAliasTable())
{
if (wildcardPattern.IsMatch(keyValuePair.Key))
{
collection.Add(keyValuePair.Value);
}
}
this.matchingAlias = collection.GetEnumerator();
}
if (!this.matchingAlias.MoveNext())
{
this.currentState = CommandSearcher.SearchState.AliasResolution;
this.matchingAlias = (IEnumerator <AliasInfo>)null;
}
else
{
commandInfo = (CommandInfo)this.matchingAlias.Current;
}
}
else
{
this.currentState = CommandSearcher.SearchState.AliasResolution;
commandInfo = (CommandInfo)this._context.EngineSessionState.GetAlias(this.commandName);
}
if (commandInfo != null)
{
CommandDiscovery.discoveryTracer.WriteLine("Alias found: {0} {1}", (object)commandInfo.Name, (object)commandInfo.Definition);
}
return(commandInfo);
}
public void Reset()
{
if (this._commandOrigin == CommandOrigin.Runspace)
{
if (this._context.EngineSessionState.Applications.Count == 0)
{
this.commandTypes &= ~CommandTypes.Application;
}
if (this._context.EngineSessionState.Scripts.Count == 0)
{
this.commandTypes &= ~CommandTypes.ExternalScript;
}
}
if (this.pathSearcher != null)
{
this.pathSearcher.Reset();
}
this._currentMatch = (CommandInfo)null;
this.currentState = CommandSearcher.SearchState.Reset;
this.matchingAlias = (IEnumerator <AliasInfo>)null;
this.matchingCmdlet = (IEnumerator <CmdletInfo>)null;
this.matchingScript = (IEnumerator <string>)null;
}
private CommandInfo ProcessQualifiedFileSystemState()
{
try
{
this.setupPathSearcher();
}
catch (ArgumentException ex)
{
this.currentState = CommandSearcher.SearchState.NoMoreMatches;
throw;
}
catch (PathTooLongException ex)
{
this.currentState = CommandSearcher.SearchState.NoMoreMatches;
throw;
}
CommandInfo commandInfo = (CommandInfo)null;
this.currentState = CommandSearcher.SearchState.PathSearch;
if (this.canDoPathLookup)
{
try
{
for (; commandInfo == null; commandInfo = this.GetInfoFromPath(((IEnumerator <string>) this.pathSearcher).Current))
{
if (!this.pathSearcher.MoveNext())
{
break;
}
}
}
catch (InvalidOperationException ex)
{
}
}
return(commandInfo);
}
private CommandInfo GetNextFunction()
{
CommandInfo commandInfo = (CommandInfo)null;
if ((this.commandResolutionOptions & SearchResolutionOptions.ResolveFunctionPatterns) != SearchResolutionOptions.None)
{
if (this.matchingFunctionEnumerator == null)
{
Collection <CommandInfo> collection = new Collection <CommandInfo>();
WildcardPattern wildcardPattern = new WildcardPattern(this.commandName, WildcardOptions.IgnoreCase);
foreach (DictionaryEntry dictionaryEntry in this._context.EngineSessionState.GetFunctionTable())
{
if (wildcardPattern.IsMatch((string)dictionaryEntry.Key))
{
collection.Add((CommandInfo)dictionaryEntry.Value);
}
}
this.matchingFunctionEnumerator = collection.GetEnumerator();
}
if (!this.matchingFunctionEnumerator.MoveNext())
{
this.currentState = CommandSearcher.SearchState.FunctionResolution;
this.matchingFunctionEnumerator = (IEnumerator <CommandInfo>)null;
}
else
{
commandInfo = this.matchingFunctionEnumerator.Current;
}
}
else
{
this.currentState = CommandSearcher.SearchState.FunctionResolution;
commandInfo = this.GetFunction(this.commandName);
}
return(commandInfo);
}
public bool MoveNext()
{
bool flag1 = false;
this._currentMatch = (CommandInfo)null;
if (this.currentState == CommandSearcher.SearchState.Reset)
{
this._currentMatch = this.ProcessResetState();
if (this._currentMatch != null && SessionState.IsVisible(this._commandOrigin, this._currentMatch))
{
flag1 = true;
goto label_48;
}
else
{
this.currentState = CommandSearcher.SearchState.AliasResolution;
}
}
if (this.currentState == CommandSearcher.SearchState.AliasResolution)
{
this._currentMatch = this.ProcessAliasState();
if (this._currentMatch != null)
{
flag1 = true;
goto label_48;
}
else
{
this.currentState = CommandSearcher.SearchState.FunctionResolution;
}
}
if (this.currentState == CommandSearcher.SearchState.FunctionResolution)
{
this._currentMatch = this.ProcessFunctionState();
if (this._currentMatch != null)
{
flag1 = true;
goto label_48;
}
else
{
this.currentState = CommandSearcher.SearchState.CmdletResolution;
}
}
if (this.currentState == CommandSearcher.SearchState.CmdletResolution)
{
this._currentMatch = this.ProcessCmdletState();
if (this._currentMatch != null)
{
flag1 = true;
goto label_48;
}
else
{
this.currentState = CommandSearcher.SearchState.BuiltinScriptResolution;
}
}
if (this.currentState == CommandSearcher.SearchState.BuiltinScriptResolution)
{
if ((this.commandTypes & (CommandTypes.ExternalScript | CommandTypes.Application)) == (CommandTypes)0)
{
flag1 = false;
goto label_48;
}
else
{
if (this._commandOrigin == CommandOrigin.Runspace && this.commandName.IndexOfAny(this._pathSeparators) >= 0)
{
bool flag2 = false;
if (this._context.EngineSessionState.Applications.Count == 1 && this._context.EngineSessionState.Applications[0].Equals("*", StringComparison.OrdinalIgnoreCase) || this._context.EngineSessionState.Scripts.Count == 1 && this._context.EngineSessionState.Scripts[0].Equals("*", StringComparison.OrdinalIgnoreCase))
{
flag2 = true;
}
else
{
foreach (string application in this._context.EngineSessionState.Applications)
{
if (this.checkPath(application, this.commandName))
{
flag2 = true;
break;
}
}
if (!flag2)
{
foreach (string script in this._context.EngineSessionState.Scripts)
{
if (this.checkPath(script, this.commandName))
{
flag2 = true;
break;
}
}
}
}
if (!flag2)
{
flag1 = false;
goto label_48;
}
}
this.currentState = CommandSearcher.SearchState.PowerShellPathResolution;
this._currentMatch = this.ProcessBuiltinScriptState();
if (this._currentMatch != null)
{
this.currentState = CommandSearcher.SearchState.QualifiedFileSystemPath;
flag1 = true;
goto label_48;
}
}
}
if (this.currentState == CommandSearcher.SearchState.PowerShellPathResolution)
{
this.currentState = CommandSearcher.SearchState.QualifiedFileSystemPath;
this._currentMatch = this.ProcessPathResolutionState();
if (this._currentMatch != null)
{
flag1 = true;
goto label_48;
}
}
if (this.currentState == CommandSearcher.SearchState.QualifiedFileSystemPath || this.currentState == CommandSearcher.SearchState.PathSearch)
{
this._currentMatch = this.ProcessQualifiedFileSystemState();
if (this._currentMatch != null)
{
flag1 = true;
goto label_48;
}
}
if (this.currentState == CommandSearcher.SearchState.PathSearch)
{
this.currentState = CommandSearcher.SearchState.PowerShellRelativePath;
this._currentMatch = this.ProcessPathSearchState();
if (this._currentMatch != null)
{
flag1 = true;
}
}
label_48:
return(flag1);
}
private CmdletInfo GetNextCmdlet()
{
CmdletInfo result = (CmdletInfo)null;
if (this.matchingCmdlet == null)
{
Collection <CmdletInfo> matchingCmdlets;
if ((this.commandResolutionOptions & SearchResolutionOptions.CommandNameIsPattern) != SearchResolutionOptions.None)
{
matchingCmdlets = new Collection <CmdletInfo>();
PSSnapinQualifiedName instance = PSSnapinQualifiedName.GetInstance(this.commandName);
if (instance == null)
{
return(result);
}
WildcardPattern wildcardPattern = new WildcardPattern(instance.ShortName, WildcardOptions.IgnoreCase);
Dictionary <string, List <CmdletInfo> > cmdletCache = this._context.EngineSessionState.CmdletCache;
while (true)
{
lock (cmdletCache)
{
foreach (List <CmdletInfo> cmdletInfoList in cmdletCache.Values)
{
foreach (CmdletInfo cmdletInfo in cmdletInfoList)
{
if (wildcardPattern.IsMatch(cmdletInfo.Name) && (string.IsNullOrEmpty(instance.PSSnapInName) || instance.PSSnapInName.Equals(cmdletInfo.ModuleName, StringComparison.OrdinalIgnoreCase)))
{
matchingCmdlets.Add(cmdletInfo);
}
}
}
}
if (cmdletCache != this._context.TopLevelSessionState.CmdletCache)
{
cmdletCache = this._context.TopLevelSessionState.CmdletCache;
}
else
{
break;
}
}
}
else
{
matchingCmdlets = this._context.CommandDiscovery.GetCmdletInfo(this.commandName);
if (matchingCmdlets.Count > 1)
{
if ((this.commandResolutionOptions & SearchResolutionOptions.ReturnFirstDuplicateCmdletName) != SearchResolutionOptions.None)
{
this.matchingCmdlet = matchingCmdlets.GetEnumerator();
while (this.matchingCmdlet.MoveNext())
{
if (result == null)
{
result = this.matchingCmdlet.Current;
}
}
return(this.traceResult(result));
}
if ((this.commandResolutionOptions & SearchResolutionOptions.AllowDuplicateCmdletNames) == SearchResolutionOptions.None)
{
throw this.NewAmbiguousCmdletName(this.commandName, matchingCmdlets);
}
}
}
this.matchingCmdlet = matchingCmdlets.GetEnumerator();
}
if (!this.matchingCmdlet.MoveNext())
{
this.currentState = CommandSearcher.SearchState.CmdletResolution;
this.matchingCmdlet = (IEnumerator <CmdletInfo>)null;
}
else
{
result = this.matchingCmdlet.Current;
}
return(this.traceResult(result));
}