private static TagHelperAttributeDescriptor ToIndexerAttributeDescriptor(
PropertyInfo property,
HtmlAttributeNameAttribute attributeNameAttribute,
Type parentType,
ErrorSink errorSink,
string defaultPrefix,
bool designTime,
out bool isInvalid)
{
isInvalid = false;
var hasPublicSetter = property.SetMethod?.IsPublic == true;
var dictionaryTypeArguments = ClosedGenericMatcher.ExtractGenericInterface(
property.PropertyType,
typeof(IDictionary<,>))
?.GenericTypeArguments;
if (dictionaryTypeArguments?[0] != typeof(string))
{
if (attributeNameAttribute?.DictionaryAttributePrefix != null)
{
// DictionaryAttributePrefix is not supported unless associated with an
// IDictionary<string, TValue> property.
isInvalid = true;
errorSink.OnError(
SourceLocation.Zero,
Resources.FormatTagHelperDescriptorFactory_InvalidAttributePrefixNotNull(
parentType.FullName,
property.Name,
nameof(HtmlAttributeNameAttribute),
nameof(HtmlAttributeNameAttribute.DictionaryAttributePrefix),
"IDictionary<string, TValue>"));
}
else if (attributeNameAttribute != null && !hasPublicSetter)
{
// Associated an HtmlAttributeNameAttribute with a non-dictionary property that lacks a public
// setter.
isInvalid = true;
errorSink.OnError(
SourceLocation.Zero,
Resources.FormatTagHelperDescriptorFactory_InvalidAttributeNameAttribute(
parentType.FullName,
property.Name,
nameof(HtmlAttributeNameAttribute),
"IDictionary<string, TValue>"));
}
return null;
}
else if (!hasPublicSetter &&
attributeNameAttribute != null &&
!attributeNameAttribute.DictionaryAttributePrefixSet)
{
// Must set DictionaryAttributePrefix when using HtmlAttributeNameAttribute with a dictionary property
// that lacks a public setter.
isInvalid = true;
errorSink.OnError(
SourceLocation.Zero,
Resources.FormatTagHelperDescriptorFactory_InvalidAttributePrefixNull(
parentType.FullName,
property.Name,
nameof(HtmlAttributeNameAttribute),
nameof(HtmlAttributeNameAttribute.DictionaryAttributePrefix),
"IDictionary<string, TValue>"));
return null;
}
// Potential prefix case. Use default prefix (based on name)?
var useDefault = attributeNameAttribute == null || !attributeNameAttribute.DictionaryAttributePrefixSet;
var prefix = useDefault ? defaultPrefix : attributeNameAttribute.DictionaryAttributePrefix;
if (prefix == null)
{
// DictionaryAttributePrefix explicitly set to null. Ignore.
return null;
}
return ToAttributeDescriptor(
property,
attributeName: prefix,
typeName: dictionaryTypeArguments[1].FullName,
isIndexer: true,
designTime: designTime);
}
private TagHelperAttributeDescriptor ToIndexerAttributeDescriptor(
PropertyInfo property,
HtmlAttributeNameAttribute attributeNameAttribute,
Type parentType,
ErrorSink errorSink,
string defaultPrefix,
out bool isInvalid)
{
isInvalid = false;
var hasPublicSetter = property.SetMethod != null && property.SetMethod.IsPublic;
var dictionaryTypeArguments = ClosedGenericMatcher.ExtractGenericInterface(
property.PropertyType,
typeof(IDictionary<,>))
?.GenericTypeArguments
.Select(type => type.IsGenericParameter ? null : type)
.ToArray();
if (dictionaryTypeArguments?[0] != typeof(string))
{
if (attributeNameAttribute?.DictionaryAttributePrefix != null)
{
// DictionaryAttributePrefix is not supported unless associated with an
// IDictionary<string, TValue> property.
isInvalid = true;
errorSink.OnError(
SourceLocation.Zero,
Resources.FormatTagHelperDescriptorFactory_InvalidAttributePrefixNotNull(
parentType.FullName,
property.Name,
nameof(HtmlAttributeNameAttribute),
nameof(HtmlAttributeNameAttribute.DictionaryAttributePrefix),
"IDictionary<string, TValue>"),
length: 0);
}
else if (attributeNameAttribute != null && !hasPublicSetter)
{
// Associated an HtmlAttributeNameAttribute with a non-dictionary property that lacks a public
// setter.
isInvalid = true;
errorSink.OnError(
SourceLocation.Zero,
Resources.FormatTagHelperDescriptorFactory_InvalidAttributeNameAttribute(
parentType.FullName,
property.Name,
nameof(HtmlAttributeNameAttribute),
"IDictionary<string, TValue>"),
length: 0);
}
return null;
}
else if (!hasPublicSetter &&
attributeNameAttribute != null &&
!attributeNameAttribute.DictionaryAttributePrefixSet)
{
// Must set DictionaryAttributePrefix when using HtmlAttributeNameAttribute with a dictionary property
// that lacks a public setter.
isInvalid = true;
errorSink.OnError(
SourceLocation.Zero,
Resources.FormatTagHelperDescriptorFactory_InvalidAttributePrefixNull(
parentType.FullName,
property.Name,
nameof(HtmlAttributeNameAttribute),
nameof(HtmlAttributeNameAttribute.DictionaryAttributePrefix),
"IDictionary<string, TValue>"),
length: 0);
return null;
}
// Potential prefix case. Use default prefix (based on name)?
var useDefault = attributeNameAttribute == null || !attributeNameAttribute.DictionaryAttributePrefixSet;
var prefix = useDefault ? defaultPrefix : attributeNameAttribute.DictionaryAttributePrefix;
if (prefix == null)
{
// DictionaryAttributePrefix explicitly set to null. Ignore.
return null;
}
return ToAttributeDescriptor(
property,
attributeName: prefix,
typeName: dictionaryTypeArguments[1].FullName,
isIndexer: true,
isStringProperty: typeof(string) == dictionaryTypeArguments[1]);
}
private static TagHelperAttributeDescriptor ToAttributeDescriptor(
PropertyInfo property,
HtmlAttributeNameAttribute attributeNameAttribute)
{
var attributeName = attributeNameAttribute != null ?
attributeNameAttribute.Name :
ToHtmlCase(property.Name);
return new TagHelperAttributeDescriptor(
attributeName,
property.Name,
property.PropertyType.FullName,
isIndexer: false);
}
private static TagHelperAttributeDescriptor ToIndexerAttributeDescriptor(
PropertyInfo property,
HtmlAttributeNameAttribute attributeNameAttribute,
Type parentType,
ErrorSink errorSink,
string defaultPrefix,
out bool isInvalid)
{
isInvalid = false;
var dictionaryTypeArguments = ClosedGenericMatcher.ExtractGenericInterface(
property.PropertyType,
typeof(IDictionary<,>))
?.GenericTypeArguments;
if (dictionaryTypeArguments?[0] != typeof(string))
{
if (attributeNameAttribute?.DictionaryAttributePrefix != null)
{
// DictionaryAttributePrefix is not supported unless associated with an
// IDictionary<string, TValue> property.
isInvalid = true;
errorSink.OnError(
SourceLocation.Zero,
Resources.FormatTagHelperDescriptorFactory_InvalidAttributePrefix(
parentType.FullName,
property.Name,
nameof(HtmlAttributeNameAttribute),
nameof(HtmlAttributeNameAttribute.DictionaryAttributePrefix),
"IDictionary<string, TValue>"));
}
return null;
}
// Potential prefix case. Use default prefix (based on name)?
var useDefault = attributeNameAttribute == null || !attributeNameAttribute.DictionaryAttributePrefixSet;
var prefix = useDefault ? defaultPrefix : attributeNameAttribute.DictionaryAttributePrefix;
if (prefix == null)
{
// DictionaryAttributePrefix explicitly set to null. Ignore.
return null;
}
return new TagHelperAttributeDescriptor(
name: prefix,
propertyName: property.Name,
typeName: dictionaryTypeArguments[1].FullName,
isIndexer: true);
}
private TagHelperAttributeDescriptor ToIndexerAttributeDescriptor(
IPropertyInfo property,
HtmlAttributeNameAttribute attributeNameAttribute,
ITypeInfo parentType,
ErrorSink errorSink,
string defaultPrefix,
out bool isInvalid)
{
isInvalid = false;
var hasPublicSetter = property.HasPublicSetter;
var dictionaryTypeArguments = property.PropertyType.GetGenericDictionaryParameters();
if (!StringTypeInfo.Equals(dictionaryTypeArguments?[0]))
{
if (attributeNameAttribute?.DictionaryAttributePrefix != null)
{
// DictionaryAttributePrefix is not supported unless associated with an
// IDictionary<string, TValue> property.
isInvalid = true;
errorSink.OnError(
SourceLocation.Zero,
Resources.FormatTagHelperDescriptorFactory_InvalidAttributePrefixNotNull(
parentType.FullName,
property.Name,
nameof(HtmlAttributeNameAttribute),
nameof(HtmlAttributeNameAttribute.DictionaryAttributePrefix),
"IDictionary<string, TValue>"),
length: 0);
}
else if (attributeNameAttribute != null && !hasPublicSetter)
{
// Associated an HtmlAttributeNameAttribute with a non-dictionary property that lacks a public
// setter.
isInvalid = true;
errorSink.OnError(
SourceLocation.Zero,
Resources.FormatTagHelperDescriptorFactory_InvalidAttributeNameAttribute(
parentType.FullName,
property.Name,
nameof(HtmlAttributeNameAttribute),
"IDictionary<string, TValue>"),
length: 0);
}
return null;
}
else if (!hasPublicSetter &&
attributeNameAttribute != null &&
!attributeNameAttribute.DictionaryAttributePrefixSet)
{
// Must set DictionaryAttributePrefix when using HtmlAttributeNameAttribute with a dictionary property
// that lacks a public setter.
isInvalid = true;
errorSink.OnError(
SourceLocation.Zero,
Resources.FormatTagHelperDescriptorFactory_InvalidAttributePrefixNull(
parentType.FullName,
property.Name,
nameof(HtmlAttributeNameAttribute),
nameof(HtmlAttributeNameAttribute.DictionaryAttributePrefix),
"IDictionary<string, TValue>"),
length: 0);
return null;
}
// Potential prefix case. Use default prefix (based on name)?
var useDefault = attributeNameAttribute == null || !attributeNameAttribute.DictionaryAttributePrefixSet;
var prefix = useDefault ? defaultPrefix : attributeNameAttribute.DictionaryAttributePrefix;
if (prefix == null)
{
// DictionaryAttributePrefix explicitly set to null. Ignore.
return null;
}
return ToAttributeDescriptor(
property,
attributeName: prefix,
typeName: dictionaryTypeArguments[1].FullName,
isIndexer: true,
isStringProperty: StringTypeInfo.Equals(dictionaryTypeArguments[1]));
}
