Class CommandInstanceDescriptorExtensions

Extensions for command instance descriptors.

Inheritance
Object
CommandInstanceDescriptorExtensions
Namespace: TehGM.Wolfringo.Commands
Assembly: Wolfringo.Commands.dll
Syntax
public static class CommandInstanceDescriptorExtensions
Remarks

Extensions in this class will automatically cache results to improve performance.

Methods

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GetAllAttributes<T>(ICommandInstanceDescriptor, Boolean)

Gets all custom attributes of specified type.

Declaration
public static IEnumerable<T> GetAllAttributes<T>(this ICommandInstanceDescriptor descriptor, bool includeHandlerAttributes = false)
    where T : Attribute
Parameters
Type Name Description
ICommandInstanceDescriptor descriptor

Command instance descriptor to get the value for.
Boolean includeHandlerAttributes

Whether handler attributes should also be checked.
Returns
Type Description
IEnumerable<T>

Enumerable of found attributes.
Type Parameters
Name Description
T

Type of attributes.
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GetAttribute<T>(ICommandInstanceDescriptor, Boolean)

Gets single custom attribute of specified type.

Declaration
public static T GetAttribute<T>(this ICommandInstanceDescriptor descriptor, bool includeHandlerAttributes = false)
    where T : Attribute
Parameters
Type Name Description
ICommandInstanceDescriptor descriptor

Command instance descriptor to get the value for.
Boolean includeHandlerAttributes

Whether handler attributes should also be checked.
Returns
Type Description
T

Found attribute; null if not found.
Type Parameters
Name Description
T

Type of attribute.
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GetCaseSensitivityOverride(ICommandInstanceDescriptor)

Checks if the command is overriding default case sensitivity.

Declaration
public static bool? GetCaseSensitivityOverride(this ICommandInstanceDescriptor descriptor)
Parameters
Type Name Description
ICommandInstanceDescriptor descriptor
Returns
Type Description
Nullable<Boolean>

True/false if command is overriding case sensitivity - true to be case sensitive, false to be case insensitive; null if not overriding.
Remarks

See CaseSensitivityAttribute for more information about command case senstivity.

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GetDisplayName(ICommandInstanceDescriptor)

Gets display name for given command instance descriptor.

Declaration
public static string GetDisplayName(this ICommandInstanceDescriptor descriptor)
Parameters
Type Name Description
ICommandInstanceDescriptor descriptor

Command instance descriptor to get the value for.
Returns
Type Description
String

String with determined display name.
Remarks

Display name is determined in the following order:

  1. Value of DisplayNameAttribute if present;
  2. Command text if the command is a standard command (CommandAttribute);
  3. Regex pattern if the command is a regex command (RegexCommandAttribute);
    If the name couldn't be determined, null will be returned.
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GetHandlerAttribute(ICommandInstanceDescriptor)

Retrieves CommandHandler attribute for the command's handler.

Declaration
public static CommandsHandlerAttribute GetHandlerAttribute(this ICommandInstanceDescriptor descriptor)
Parameters
Type Name Description
ICommandInstanceDescriptor descriptor

Command descriptor.
Returns
Type Description
CommandsHandlerAttribute

CommandHandler attribute present on the command's handler type; null if not found.
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GetHandlerType(ICommandInstanceDescriptor)

Gets type of the command's handler.

Declaration
public static Type GetHandlerType(this ICommandInstanceDescriptor descriptor)
Parameters
Type Name Description
ICommandInstanceDescriptor descriptor

Command descriptor.
Returns
Type Description
Type

Type of command's handler.
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GetHelpCategory(ICommandInstanceDescriptor)

Gets help category for given command or its handler.

Declaration
public static HelpCategoryAttribute GetHelpCategory(this ICommandInstanceDescriptor descriptor)
Parameters
Type Name Description
ICommandInstanceDescriptor descriptor

Command instance descriptor to get the value for.
Returns
Type Description
HelpCategoryAttribute

Help Category attribute if found on command or its handler; otherwise null.
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GetPrefixOverride(ICommandInstanceDescriptor)

Gets command's prefix override.

Declaration
public static string GetPrefixOverride(this ICommandInstanceDescriptor descriptor)
Parameters
Type Name Description
ICommandInstanceDescriptor descriptor

Command descriptor.
Returns
Type Description
String

Prefix value.
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GetPrefixRequirementOverride(ICommandInstanceDescriptor)

Gets command's prefix requirement override.

Declaration
public static PrefixRequirement? GetPrefixRequirementOverride(this ICommandInstanceDescriptor descriptor)
Parameters
Type Name Description
ICommandInstanceDescriptor descriptor

Command descriptor.
Returns
Type Description
Nullable<PrefixRequirement>

Prefix requirement value.
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GetPriority(ICommandInstanceDescriptor)

Gets command's priority.

Declaration
public static int GetPriority(this ICommandInstanceDescriptor descriptor)
Parameters
Type Name Description
ICommandInstanceDescriptor descriptor

Command descriptor.
Returns
Type Description
Int32

Command's priority value.
Remarks

See PriorityAttribute for more information about command priorities.

See Also
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GetRequirements(ICommandInstanceDescriptor)

Gets command's pre-execute checks.

Declaration
public static IEnumerable<CommandRequirementAttribute> GetRequirements(this ICommandInstanceDescriptor descriptor)
Parameters
Type Name Description
ICommandInstanceDescriptor descriptor

Command descriptor.
Returns
Type Description
IEnumerable<CommandRequirementAttribute>

Enumerable on all pre-execute checks on the command's method and handler type.
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GetSummary(ICommandInstanceDescriptor)

Gets summary text for given command instance descriptor.

Declaration
public static string GetSummary(this ICommandInstanceDescriptor descriptor)
Parameters
Type Name Description
ICommandInstanceDescriptor descriptor

Command instance descriptor to get the value for.
Returns
Type Description
String

Summary text if found on the command; otherwise null.
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IsHidden(ICommandInstanceDescriptor)

Checks if the command or its handler are hidden.

Declaration
public static bool IsHidden(this ICommandInstanceDescriptor descriptor)
Parameters
Type Name Description
ICommandInstanceDescriptor descriptor

Command instance descriptor to get the value for.
Returns
Type Description
Boolean

True if the command or its handler are marked as hidden; otherwise false.