/// <summary>
/// 【Extends】Gets a dictionary with all members on the given <paramref name="type"/> and their associated attributes.
/// Only members of the given <paramref name="memberTypes"/> and matching <paramref name="bindingFlags"/> will
/// be included in the result.
/// The list of attributes associated with each member can optionally be filtered by supplying a list of
/// <paramref name="attributeTypes"/>, in which case only members with at least one of these will be
/// included in the result.
/// </summary>
/// <returns>An dictionary mapping all matching members to their associated attributes. This value
/// will never be null. The attribute list associated with each member in the dictionary will likewise
/// never be null.</returns>
public static Dictionary <MemberInfo, List <Attribute> > MembersAndAttributes(this Type type,
MemberTypes memberTypes,
Flags bindingFlags,
params Type[] attributeTypes)
{
var members = from m in type.Members(memberTypes, bindingFlags)
let a = m.Attributes(attributeTypes)
where a.Count() > 0
select new { Member = m, Attributes = a.ToList() };
return(members.ToDictionary(m => m.Member, m => m.Attributes));
}
/// <summary>
/// 【Extends】Gets all members on the given <paramref name="type"/> that match the specified
/// <paramref name="bindingFlags"/>.
/// The resulting list of members can optionally be filtered by supplying a list of
/// <paramref name="attributeTypes"/>, in which case only members decorated with at least one of
/// these will be included.
/// </summary>
/// <param name="type">The type on which to reflect.</param>
/// <param name="memberTypes">The <see href="MemberTypes"/> to include in the search.</param>
/// <param name="bindingFlags">The <see cref="BindingFlags"/> or <see cref="Flags"/> combination
/// used to define the search behavior and result filtering.</param>
/// <param name="attributeTypes">The optional list of attribute types with which members should
/// be decorated. If this parameter is <c>null</c> or empty then all fields and properties
/// matching the given <paramref name="bindingFlags"/> will be included in the result.</param>
/// <returns>A list of all matching members on the type. This value will never be null.</returns>
public static List <MemberInfo> MembersWith(this Type type, MemberTypes memberTypes, Flags bindingFlags, params Type[] attributeTypes)
{
bool hasTypes = attributeTypes != null && attributeTypes.Length > 0;
var query = from m in type.Members(memberTypes, bindingFlags)
where !hasTypes || m.HasAnyAttribute(attributeTypes)
select m;
return(query.ToList());
}
/// <summary>
/// 【Extends】Gets all fields and properties on the given <paramref name="type"/> that match the specified
/// <paramref name="bindingFlags"/>.
/// The resulting list of members can optionally be filtered by supplying a list of
/// <paramref name="attributeTypes"/>, in which case only members decorated with at least one of
/// these will be included.
/// </summary>
/// <param name="type">The type on which to reflect.</param>
/// <param name="bindingFlags">The <see cref="BindingFlags"/> or <see cref="Flags"/> combination
/// used to define the search behavior and result filtering.</param>
/// <param name="attributeTypes">The optional list of attribute types with which members should
/// be decorated. If this parameter is <c>null</c> or empty then all fields and properties
/// matching the given <paramref name="bindingFlags"/> will be included in the result.</param>
/// <returns>A list of all matching fields and properties on the type. This value will never be null.</returns>
public static List <MemberInfo> FieldsAndPropertiesWith(this Type type, Flags bindingFlags, params Type[] attributeTypes)
{
return(type.MembersWith(MemberTypes.Field | MemberTypes.Property, bindingFlags, attributeTypes));
}
/// <summary>
/// 【Extends】Gets all members of the given <paramref name="memberTypes"/> on the given <paramref name="type"/>
/// that match the specified <paramref name="bindingFlags"/> and are decorated with an
/// <see href="Attribute"/> of the given type <typeparamref name="T"/>.
/// </summary>
/// <param name="type">The type on which to reflect.</param>
/// <param name="memberTypes">The <see href="MemberTypes"/> to include in the search.</param>
/// <param name="bindingFlags">The <see cref="BindingFlags"/> or <see cref="Flags"/> combination
/// used to define the search behavior and result filtering.</param>
/// <returns>A list of all matching members on the type. This value will never be null.</returns>
public static List <MemberInfo> MembersWith <T>(this Type type, MemberTypes memberTypes, Flags bindingFlags)
{
return(type.MembersWith(memberTypes, bindingFlags, typeof(T)));
}