/// <summary>
/// Gets a list of matching commands.
/// </summary>
/// <param name="pattern">Command pattern.</param>
/// <param name="context">Execution context.</param>
/// <param name="commandOrigin">Command origin.</param>
/// <param name="rediscoverImportedModules">If true, rediscovers imported modules.</param>
/// <param name="moduleVersionRequired">Specific module version to be required.</param>
/// <param name="useFuzzyMatching">Use fuzzy matching.</param>
/// <param name="useAbbreviationExpansion">Use abbreviation expansion for matching.</param>
/// <returns>Returns matching CommandInfo IEnumerable.</returns>
internal static IEnumerable <CommandInfo> GetMatchingCommands(string pattern, ExecutionContext context, CommandOrigin commandOrigin, bool rediscoverImportedModules = false, bool moduleVersionRequired = false, bool useFuzzyMatching = false, bool useAbbreviationExpansion = false)
{
// Otherwise, if it had wildcards, just return the "AvailableCommand"
// type of command info.
WildcardPattern commandPattern = WildcardPattern.Get(pattern, WildcardOptions.IgnoreCase);
CmdletInfo cmdletInfo = context.SessionState.InvokeCommand.GetCmdlet("Microsoft.PowerShell.Core\\Get-Module");
PSModuleAutoLoadingPreference moduleAutoLoadingPreference = CommandDiscovery.GetCommandDiscoveryPreference(context, SpecialVariables.PSModuleAutoLoadingPreferenceVarPath, "PSModuleAutoLoadingPreference");
if ((moduleAutoLoadingPreference != PSModuleAutoLoadingPreference.None) &&
((commandOrigin == CommandOrigin.Internal) || ((cmdletInfo != null) && (cmdletInfo.Visibility == SessionStateEntryVisibility.Public))))
{
foreach (string modulePath in GetDefaultAvailableModuleFiles(isForAutoDiscovery: false, context))
{
// Skip modules that have already been loaded so that we don't expose private commands.
string moduleName = Path.GetFileNameWithoutExtension(modulePath);
List <PSModuleInfo> modules = context.Modules.GetExactMatchModules(moduleName, all: false, exactMatch: true);
PSModuleInfo tempModuleInfo = null;
if (modules.Count != 0)
{
// 1. We continue to the next module path if we don't want to re-discover those imported modules
// 2. If we want to re-discover the imported modules, but one or more commands from the module were made private,
// then we don't do re-discovery
if (!rediscoverImportedModules || modules.Exists(module => module.ModuleHasPrivateMembers))
{
continue;
}
if (modules.Count == 1)
{
PSModuleInfo psModule = modules[0];
tempModuleInfo = new PSModuleInfo(psModule.Name, psModule.Path, context: null, sessionState: null);
tempModuleInfo.SetModuleBase(psModule.ModuleBase);
foreach (KeyValuePair <string, CommandInfo> entry in psModule.ExportedCommands)
{
if (commandPattern.IsMatch(entry.Value.Name) ||
(useFuzzyMatching && FuzzyMatcher.IsFuzzyMatch(entry.Value.Name, pattern)) ||
(useAbbreviationExpansion && string.Equals(pattern, AbbreviateName(entry.Value.Name), StringComparison.OrdinalIgnoreCase)))
{
CommandInfo current = null;
switch (entry.Value.CommandType)
{
case CommandTypes.Alias:
current = new AliasInfo(entry.Value.Name, definition: null, context);
break;
case CommandTypes.Function:
current = new FunctionInfo(entry.Value.Name, ScriptBlock.EmptyScriptBlock, context);
break;
case CommandTypes.Filter:
current = new FilterInfo(entry.Value.Name, ScriptBlock.EmptyScriptBlock, context);
break;
case CommandTypes.Configuration:
current = new ConfigurationInfo(entry.Value.Name, ScriptBlock.EmptyScriptBlock, context);
break;
case CommandTypes.Cmdlet:
current = new CmdletInfo(entry.Value.Name, implementingType: null, helpFile: null, PSSnapin: null, context);
break;
default:
Dbg.Assert(false, "cannot be hit");
break;
}
current.Module = tempModuleInfo;
yield return(current);
}
}
continue;
}
}
string moduleShortName = Path.GetFileNameWithoutExtension(modulePath);
IDictionary <string, CommandTypes> exportedCommands = AnalysisCache.GetExportedCommands(modulePath, testOnly: false, context);
if (exportedCommands == null)
{
continue;
}
tempModuleInfo = new PSModuleInfo(moduleShortName, modulePath, sessionState: null, context: null);
if (InitialSessionState.IsEngineModule(moduleShortName))
{
tempModuleInfo.SetModuleBase(Utils.DefaultPowerShellAppBase);
}
// moduleVersionRequired is bypassed by FullyQualifiedModule from calling method. This is the only place where guid will be involved.
if (moduleVersionRequired && modulePath.EndsWith(StringLiterals.PowerShellDataFileExtension, StringComparison.OrdinalIgnoreCase))
{
tempModuleInfo.SetVersion(ModuleIntrinsics.GetManifestModuleVersion(modulePath));
tempModuleInfo.SetGuid(ModuleIntrinsics.GetManifestGuid(modulePath));
}
foreach (KeyValuePair <string, CommandTypes> pair in exportedCommands)
{
string commandName = pair.Key;
CommandTypes commandTypes = pair.Value;
if (commandPattern.IsMatch(commandName) ||
(useFuzzyMatching && FuzzyMatcher.IsFuzzyMatch(commandName, pattern)) ||
(useAbbreviationExpansion && string.Equals(pattern, AbbreviateName(commandName), StringComparison.OrdinalIgnoreCase)))
{
bool shouldExportCommand = true;
// Verify that we don't already have it represented in the initial session state.
if ((context.InitialSessionState != null) && (commandOrigin == CommandOrigin.Runspace))
{
foreach (SessionStateCommandEntry commandEntry in context.InitialSessionState.Commands[commandName])
{
string moduleCompareName = null;
if (commandEntry.Module != null)
{
moduleCompareName = commandEntry.Module.Name;
}
else if (commandEntry.PSSnapIn != null)
{
moduleCompareName = commandEntry.PSSnapIn.Name;
}
if (string.Equals(moduleShortName, moduleCompareName, StringComparison.OrdinalIgnoreCase))
{
if (commandEntry.Visibility == SessionStateEntryVisibility.Private)
{
shouldExportCommand = false;
}
}
}
}
if (shouldExportCommand)
{
if ((commandTypes & CommandTypes.Alias) == CommandTypes.Alias)
{
yield return(new AliasInfo(commandName, null, context)
{
Module = tempModuleInfo
});
}
if ((commandTypes & CommandTypes.Cmdlet) == CommandTypes.Cmdlet)
{
yield return(new CmdletInfo(commandName, implementingType: null, helpFile: null, PSSnapin: null, context: context)
{
Module = tempModuleInfo
});
}
if ((commandTypes & CommandTypes.Function) == CommandTypes.Function)
{
yield return(new FunctionInfo(commandName, ScriptBlock.EmptyScriptBlock, context)
{
Module = tempModuleInfo
});
}
if ((commandTypes & CommandTypes.Configuration) == CommandTypes.Configuration)
{
yield return(new ConfigurationInfo(commandName, ScriptBlock.EmptyScriptBlock, context)
{
Module = tempModuleInfo
});
}
}
}
}
}
}
}
public bool MoveNext()
{
try
{
int num = this.__1__state;
if (num != 0)
{
if (num == 3)
{
this.__1__state = 2;
this.__m__Finally1e();
}
if (num == 7)
{
this.__1__state = 5;
this.__m__Finally22();
}
}
else
{
this.__1__state = -1;
this._commandPattern_5__b = new WildcardPattern(this.pattern, WildcardOptions.IgnoreCase);
this._cmdletInfo_5__c = this.context.SessionState.InvokeCommand.GetCmdlet(@"Microsoft.PowerShell.Core\Get-Module");
aa__ = CommandDiscovery.GetCommandDiscoveryPreference(this.context, SpecialVariables.PSModuleAutoLoadingPreferenceVarPath, "PSModuleAutoLoadingPreference");
if ((aa__ != PSModuleAutoLoadingPreference.None) && ((this.commandOrigin == CommandOrigin.Internal) || ((this._cmdletInfo_5__c != null) && (this._cmdletInfo_5__c.Visibility == SessionStateEntryVisibility.Public))))
{
this.__7__wrap1b = ModuleUtils.GetDefaultAvailableModuleFiles(true, false, this.context).GetEnumerator();
this.__1__state = 1;
while (this.__7__wrap1b.MoveNext())
{
this._modulePath_5__e = this.__7__wrap1b.Current;
this._moduleName_5__f = Path.GetFileNameWithoutExtension(this._modulePath_5__e);
this._modules_5__10 = this.context.Modules.GetExactMatchModules(this._moduleName_5__f, false, true);
this._tempModuleInfo_5__11 = null;
if (this._modules_5__10.Count != 0)
{
if (!this.rediscoverImportedModules)
{
continue;
}
if (this._modules_5__10.Exists(new Predicate <PSModuleInfo>(ModuleUtils.GetMatchingCommands_b__8)))
{
continue;
}
if (this._modules_5__10.Count == 1)
{
this._psModule_5__12 = this._modules_5__10[0];
this._tempModuleInfo_5__11 = new PSModuleInfo(this._psModule_5__12.Name, this._psModule_5__12.Path, null, null);
this._tempModuleInfo_5__11.SetModuleBase(this._psModule_5__12.ModuleBase);
this.__7__wrap1d = this._psModule_5__12.ExportedCommands.GetEnumerator();
this.__1__state = 2;
while (this.__7__wrap1d.MoveNext())
{
this._entry_5__13 = this.__7__wrap1d.Current;
if (!this._commandPattern_5__b.IsMatch(this._entry_5__13.Value.Name))
{
continue;
}
this._current_5__14 = null;
switch (this._entry_5__13.Value.CommandType)
{
case CommandTypes.Alias:
this._current_5__14 = new AliasInfo(this._entry_5__13.Value.Name, null, this.context);
break;
case CommandTypes.Function:
this._current_5__14 = new FunctionInfo(this._entry_5__13.Value.Name, ScriptBlock.Create(""), this.context);
break;
case CommandTypes.Filter:
this._current_5__14 = new FilterInfo(this._entry_5__13.Value.Name, ScriptBlock.Create(""), this.context);
break;
case CommandTypes.Cmdlet:
this._current_5__14 = new CmdletInfo(this._entry_5__13.Value.Name, null, null, null, this.context);
break;
case CommandTypes.Workflow:
this._current_5__14 = new WorkflowInfo(this._entry_5__13.Value.Name, ScriptBlock.Create(""), this.context);
break;
}
this._current_5__14.SetModule(this._tempModuleInfo_5__11);
this.__2__current = this._current_5__14;
this.__1__state = 3;
return(true);
this.__1__state = 2;
}
this.__m__Finally1e();
continue;
}
}
this._moduleShortName_5__15 = Path.GetFileNameWithoutExtension(this._modulePath_5__e);
this._exportedCommands_5__16 = AnalysisCache.GetExportedCommands(this._modulePath_5__e, false, this.context);
if (this._exportedCommands_5__16 != null)
{
this._tempModuleInfo_5__11 = new PSModuleInfo(this._moduleShortName_5__15, this._modulePath_5__e, null, null);
if (InitialSessionState.IsEngineModule(this._moduleShortName_5__15))
{
this._tempModuleInfo_5__11.SetModuleBase(Utils.GetApplicationBase(Utils.DefaultPowerShellShellID));
}
this.__7__wrap1f = this._exportedCommands_5__16.Keys.GetEnumerator();
this.__1__state = 4;
while (this.__7__wrap1f.MoveNext())
{
this._exportedCommand_5__17 = this.__7__wrap1f.Current;
if (this._commandPattern_5__b.IsMatch(this._exportedCommand_5__17))
{
this.__7__wrap21 = this._exportedCommands_5__16[this._exportedCommand_5__17].GetEnumerator();
this.__1__state = 5;
while (this.__7__wrap21.MoveNext())
{
this._commandType_5__18 = this.__7__wrap21.Current;
this._shouldExportCommand_5__19 = true;
if ((this.context.InitialSessionState != null) && (this.commandOrigin == CommandOrigin.Runspace))
{
foreach (SessionStateCommandEntry entry in this.context.InitialSessionState.Commands[this._exportedCommand_5__17])
{
string b = null;
if (entry.Module != null)
{
b = entry.Module.Name;
}
else if (entry.PSSnapIn != null)
{
b = entry.PSSnapIn.Name;
}
if (string.Equals(this._moduleShortName_5__15, b, StringComparison.OrdinalIgnoreCase) && (entry.Visibility == SessionStateEntryVisibility.Private))
{
this._shouldExportCommand_5__19 = false;
}
}
}
if (!this._shouldExportCommand_5__19)
{
continue;
}
this._current_5__1a = null;
switch (this._commandType_5__18)
{
case CommandTypes.Alias:
this._current_5__1a = new AliasInfo(this._exportedCommand_5__17, null, this.context);
break;
case CommandTypes.Function:
this._current_5__1a = new FunctionInfo(this._exportedCommand_5__17, ScriptBlock.Create(""), this.context);
break;
case CommandTypes.Cmdlet:
this._current_5__1a = new CmdletInfo(this._exportedCommand_5__17, null, null, null, this.context);
break;
case CommandTypes.Workflow:
this._current_5__1a = new WorkflowInfo(this._exportedCommand_5__17, ScriptBlock.Create(""), this.context);
break;
}
if (this._current_5__1a != null)
{
this._current_5__1a.SetModule(this._tempModuleInfo_5__11);
}
this.__2__current = this._current_5__1a;
this.__1__state = 7;
return(true);
Label_060F:
this.__1__state = 5;
}
this.__m__Finally22();
}
}
this.__m__Finally20();
}
}
this.__m__Finally1c();
}
}
return(false);
}
finally
{
(this as IDisposable).Dispose();
}
}
