private static IEnumerable <TagHelperDescriptor> BuildTagHelperDescriptors(
ITypeInfo typeInfo,
string assemblyName,
IEnumerable <TagHelperAttributeDescriptor> attributeDescriptors,
IEnumerable <HtmlTargetElementAttribute> targetElementAttributes,
IEnumerable <string> allowedChildren,
bool designTime)
{
TagHelperDesignTimeDescriptor typeDesignTimeDescriptor = null;
#if !DOTNET5_4
if (designTime)
{
var runtimeTypeInfo = typeInfo as RuntimeTypeInfo;
if (runtimeTypeInfo != null)
{
typeDesignTimeDescriptor =
TagHelperDesignTimeDescriptorFactory.CreateDescriptor(runtimeTypeInfo.TypeInfo.AsType());
}
}
#endif
var typeName = typeInfo.FullName;
// If there isn't an attribute specifying the tag name derive it from the name
if (!targetElementAttributes.Any())
{
var name = typeInfo.Name;
if (name.EndsWith(TagHelperNameEnding, StringComparison.OrdinalIgnoreCase))
{
name = name.Substring(0, name.Length - TagHelperNameEnding.Length);
}
return(new[]
{
BuildTagHelperDescriptor(
ToHtmlCase(name),
typeName,
assemblyName,
attributeDescriptors,
requiredAttributes: Enumerable.Empty <string>(),
allowedChildren: allowedChildren,
tagStructure: default(TagStructure),
parentTag: null,
designTimeDescriptor: typeDesignTimeDescriptor)
});
}
return(targetElementAttributes.Select(
attribute =>
BuildTagHelperDescriptor(
typeName,
assemblyName,
attributeDescriptors,
attribute,
allowedChildren,
typeDesignTimeDescriptor)));
}
public void CreateDescriptor_WithType_ReturnsExpectedDescriptors(
Type tagHelperType,
TagHelperDesignTimeDescriptor expectedDesignTimeDescriptor)
{
// Act
var designTimeDescriptor = TagHelperDesignTimeDescriptorFactory.CreateDescriptor(tagHelperType);
// Assert
Assert.Equal(expectedDesignTimeDescriptor, designTimeDescriptor, TagHelperDesignTimeDescriptorComparer.Default);
}
public void CreateDescriptor_CapturesOutputElementHint(
Type tagHelperType,
TagHelperDesignTimeDescriptor expectedDescriptor)
{
// Act
var descriptors = TagHelperDesignTimeDescriptorFactory.CreateDescriptor(tagHelperType);
// Assert
Assert.Equal(expectedDescriptor, descriptors, TagHelperDesignTimeDescriptorComparer.Default);
}
private IEnumerable<TagHelperDescriptor> BuildTagHelperDescriptors(
Type type,
string assemblyName,
IEnumerable<TagHelperAttributeDescriptor> attributeDescriptors,
IEnumerable<HtmlTargetElementAttribute> targetElementAttributes,
IEnumerable<string> allowedChildren)
{
TagHelperDesignTimeDescriptor typeDesignTimeDescriptor = null;
if (_designTime)
{
typeDesignTimeDescriptor = _designTimeDescriptorFactory.CreateDescriptor(type);
}
var typeName = type.FullName;
// If there isn't an attribute specifying the tag name derive it from the name
if (!targetElementAttributes.Any())
{
var name = type.Name;
if (name.EndsWith(TagHelperNameEnding, StringComparison.OrdinalIgnoreCase))
{
name = name.Substring(0, name.Length - TagHelperNameEnding.Length);
}
return new[]
{
BuildTagHelperDescriptor(
ToHtmlCase(name),
typeName,
assemblyName,
attributeDescriptors,
requiredAttributeDescriptors: Enumerable.Empty<TagHelperRequiredAttributeDescriptor>(),
allowedChildren: allowedChildren,
tagStructure: default(TagStructure),
parentTag: null,
designTimeDescriptor: typeDesignTimeDescriptor)
};
}
return targetElementAttributes.Select(
attribute =>
BuildTagHelperDescriptor(
typeName,
assemblyName,
attributeDescriptors,
attribute,
allowedChildren,
typeDesignTimeDescriptor));
}
private static IEnumerable <TagHelperDescriptor> BuildTagHelperDescriptors(
TypeInfo typeInfo,
string assemblyName,
IEnumerable <TagHelperAttributeDescriptor> attributeDescriptors,
IEnumerable <TargetElementAttribute> targetElementAttributes,
bool designTime)
{
TagHelperDesignTimeDescriptor typeDesignTimeDescriptor = null;
#if !DNXCORE50
if (designTime)
{
typeDesignTimeDescriptor = TagHelperDesignTimeDescriptorFactory.CreateDescriptor(typeInfo.GetType());
}
#endif
var typeName = typeInfo.FullName;
// If there isn't an attribute specifying the tag name derive it from the name
if (!targetElementAttributes.Any())
{
var name = typeInfo.Name;
if (name.EndsWith(TagHelperNameEnding, StringComparison.OrdinalIgnoreCase))
{
name = name.Substring(0, name.Length - TagHelperNameEnding.Length);
}
return(new[]
{
BuildTagHelperDescriptor(
ToHtmlCase(name),
typeName,
assemblyName,
attributeDescriptors,
requiredAttributes: Enumerable.Empty <string>(),
designTimeDescriptor: typeDesignTimeDescriptor)
});
}
return(targetElementAttributes.Select(
attribute =>
BuildTagHelperDescriptor(
typeName,
assemblyName,
attributeDescriptors,
attribute,
typeDesignTimeDescriptor)));
}
public void CreateDescriptor_WithLocalizedType_ReturnsExpectedDescriptors(
Type tagHelperType,
TagHelperDesignTimeDescriptor expectedDesignTimeDescriptor,
string culture)
{
// Arrange
TagHelperDesignTimeDescriptor designTimeDescriptor;
// Act
using (new CultureReplacer(culture))
{
designTimeDescriptor = TagHelperDesignTimeDescriptorFactory.CreateDescriptor(tagHelperType);
}
// Assert
Assert.Equal(expectedDesignTimeDescriptor, designTimeDescriptor, TagHelperDesignTimeDescriptorComparer.Default);
}
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));
}
private static TagHelperDescriptor BuildTagHelperDescriptor(
string typeName,
string assemblyName,
IEnumerable <TagHelperAttributeDescriptor> attributeDescriptors,
TargetElementAttribute targetElementAttribute,
TagHelperDesignTimeDescriptor designTimeDescriptor)
{
var requiredAttributes = GetCommaSeparatedValues(targetElementAttribute.Attributes);
return(BuildTagHelperDescriptor(
targetElementAttribute.Tag,
typeName,
assemblyName,
attributeDescriptors,
requiredAttributes,
designTimeDescriptor));
}
private static TagHelperDescriptor BuildTagHelperDescriptor(
string typeName,
string assemblyName,
IEnumerable<TagHelperAttributeDescriptor> attributeDescriptors,
HtmlTargetElementAttribute targetElementAttribute,
IEnumerable<string> allowedChildren,
TagHelperDesignTimeDescriptor designTimeDescriptor)
{
IEnumerable<TagHelperRequiredAttributeDescriptor> requiredAttributeDescriptors;
TryGetRequiredAttributeDescriptors(targetElementAttribute.Attributes, errorSink: null, descriptors: out requiredAttributeDescriptors);
return BuildTagHelperDescriptor(
targetElementAttribute.Tag,
typeName,
assemblyName,
attributeDescriptors,
requiredAttributeDescriptors,
allowedChildren,
targetElementAttribute.ParentTag,
targetElementAttribute.TagStructure,
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 tagName,
string typeName,
string assemblyName,
IEnumerable<TagHelperAttributeDescriptor> attributeDescriptors,
IEnumerable<string> requiredAttributes,
IEnumerable<string> allowedChildren,
string parentTag,
TagStructure tagStructure,
TagHelperDesignTimeDescriptor designTimeDescriptor)
{
return new TagHelperDescriptor
{
TagName = tagName,
TypeName = typeName,
AssemblyName = assemblyName,
Attributes = attributeDescriptors,
RequiredAttributes = requiredAttributes,
AllowedChildren = allowedChildren,
RequiredParent = parentTag,
TagStructure = tagStructure,
DesignTimeDescriptor = designTimeDescriptor
};
}
private static TagHelperDescriptor BuildTagHelperDescriptor(
string typeName,
string assemblyName,
IEnumerable<TagHelperAttributeDescriptor> attributeDescriptors,
HtmlTargetElementAttribute targetElementAttribute,
IEnumerable<string> allowedChildren,
TagHelperDesignTimeDescriptor designTimeDescriptor)
{
var requiredAttributes = GetCommaSeparatedValues(targetElementAttribute.Attributes);
return BuildTagHelperDescriptor(
targetElementAttribute.Tag,
typeName,
assemblyName,
attributeDescriptors,
requiredAttributes,
allowedChildren,
targetElementAttribute.ParentTag,
targetElementAttribute.TagStructure,
designTimeDescriptor);
}