/// <summary>
/// Instantiates a new instance of the <see cref="TagHelperDescriptor"/> class with the given
/// <paramref name="attributes"/>.
/// </summary>
/// <param name="prefix">
/// Text used as a required prefix when matching HTML start and end tags in the Razor source to available
/// tag helpers.
/// </param>
/// <param name="tagName">The tag name that the tag helper targets. '*' indicates a catch-all
/// <see cref="TagHelperDescriptor"/> which applies to every HTML tag.</param>
/// <param name="typeName">The full name of the tag helper class.</param>
/// <param name="assemblyName">The name of the assembly containing the tag helper class.</param>
/// <param name="attributes">
/// The <see cref="TagHelperAttributeDescriptor"/>s to request from the HTML tag.
/// </param>
/// <param name="requiredAttributes">
/// The attribute names required for the tag helper to target the HTML tag.
/// </param>
/// <param name="designTimeDescriptor">The <see cref="TagHelperDesignTimeDescriptor"/> that contains design
/// time information about the tag helper.</param>
public TagHelperDescriptor(
string prefix,
[NotNull] string tagName,
[NotNull] string typeName,
[NotNull] string assemblyName,
[NotNull] IEnumerable <TagHelperAttributeDescriptor> attributes,
[NotNull] IEnumerable <string> requiredAttributes,
TagHelperDesignTimeDescriptor designTimeDescriptor)
{
Prefix = prefix ?? string.Empty;
TagName = tagName;
FullTagName = Prefix + TagName;
TypeName = typeName;
AssemblyName = assemblyName;
Attributes = new List <TagHelperAttributeDescriptor>(attributes);
RequiredAttributes = new List <string>(requiredAttributes);
DesignTimeDescriptor = designTimeDescriptor;
}
private static TagHelperDescriptor BuildTagHelperDescriptor(
string tagName,
string typeName,
string assemblyName,
IEnumerable<TagHelperAttributeDescriptor> attributeDescriptors,
IEnumerable<string> requiredAttributes,
IEnumerable<string> allowedChildren,
TagStructure tagStructure,
TagHelperDesignTimeDescriptor designTimeDescriptor)
{
return new TagHelperDescriptor
{
TagName = tagName,
TypeName = typeName,
AssemblyName = assemblyName,
Attributes = attributeDescriptors,
RequiredAttributes = requiredAttributes,
AllowedChildren = allowedChildren,
TagStructure = tagStructure,
DesignTimeDescriptor = designTimeDescriptor
};
}
private static TagHelperDescriptor BuildTagHelperDescriptor(
string typeName,
string assemblyName,
IEnumerable<TagHelperAttributeDescriptor> attributeDescriptors,
TargetElementAttribute targetElementAttribute,
IEnumerable<string> allowedChildren,
TagHelperDesignTimeDescriptor designTimeDescriptor)
{
var requiredAttributes = GetCommaSeparatedValues(targetElementAttribute.Attributes);
return BuildTagHelperDescriptor(
targetElementAttribute.Tag,
typeName,
assemblyName,
attributeDescriptors,
requiredAttributes,
allowedChildren,
targetElementAttribute.TagStructure,
designTimeDescriptor);
}
private static TagHelperDescriptor BuildTagHelperDescriptor(
string tagName,
string typeName,
string assemblyName,
IEnumerable<TagHelperAttributeDescriptor> attributeDescriptors,
IEnumerable<string> requiredAttributes,
TagHelperDesignTimeDescriptor designTimeDescriptor)
{
return new TagHelperDescriptor(
prefix: string.Empty,
tagName: tagName,
typeName: typeName,
assemblyName: assemblyName,
attributes: attributeDescriptors,
requiredAttributes: requiredAttributes,
designTimeDescriptor: designTimeDescriptor);
}
/// <summary>
/// Instantiates a new instance of the <see cref="TagHelperDescriptor"/> class with the given
/// <paramref name="attributes"/>.
/// </summary>
/// <param name="prefix">
/// Text used as a required prefix when matching HTML start and end tags in the Razor source to available
/// tag helpers.
/// </param>
/// <param name="tagName">The tag name that the tag helper targets. '*' indicates a catch-all
/// <see cref="TagHelperDescriptor"/> which applies to every HTML tag.</param>
/// <param name="typeName">The full name of the tag helper class.</param>
/// <param name="assemblyName">The name of the assembly containing the tag helper class.</param>
/// <param name="attributes">
/// The <see cref="TagHelperAttributeDescriptor"/>s to request from the HTML tag.
/// </param>
/// <param name="requiredAttributes">
/// The attribute names required for the tag helper to target the HTML tag.
/// </param>
/// <param name="designTimeDescriptor">The <see cref="TagHelperDesignTimeDescriptor"/> that contains design
/// time information about the tag helper.</param>
public TagHelperDescriptor(
string prefix,
[NotNull] string tagName,
[NotNull] string typeName,
[NotNull] string assemblyName,
[NotNull] IEnumerable<TagHelperAttributeDescriptor> attributes,
[NotNull] IEnumerable<string> requiredAttributes,
TagHelperDesignTimeDescriptor designTimeDescriptor)
{
Prefix = prefix ?? string.Empty;
TagName = tagName;
FullTagName = Prefix + TagName;
TypeName = typeName;
AssemblyName = assemblyName;
Attributes = new List<TagHelperAttributeDescriptor>(attributes);
RequiredAttributes = new List<string>(requiredAttributes);
DesignTimeDescriptor = designTimeDescriptor;
}