// Gets (additional) attributes that should apply to the tag. Should not return attributes that are
// already known by the tag. The standard standard HtmlDeclaredElementsProvider returns only common
// attributes.
// Used by HtmlDeclaredElementsCache.GetAdditionalAttributesForTag so a provider can add additional
// attributes to a known tag (e.g. angular attributes to a standard HTML tag)
// Also used when generating descriptions for tags
public IEnumerable <AttributeInfo> GetAttributeInfos(IPsiSourceFile sourceFile, IHtmlTagDeclaredElement tag, bool strict)
{
lock (lockObject)
{
// We have nothing to add to an angular tag - it already knows all angular tags
if (tag is IAngularJsDeclaredElement)
{
return(EmptyArray <AttributeInfo> .Instance);
}
// Note that this includes common attributes
var attributeInfos = from d in cache.Directives
where d.IsAttribute && d.IsForTag(tag.ShortName)
from n in GetPrefixedNames(d.Name)
select
new AttributeInfo(GetOrCreateAttributeLocked(n, tag), DefaultAttributeValueType.IMPLIED, null);
// Get any elements that have the same name as the tag, and add the parameters as attributes
// Don't include any attributes that are aleady defined by other providers (this causes the
// HTML description cache component to crash)
var providers = solution.GetComponents <IHtmlDeclaredElementsProvider>();
var parameterAttributeInfos = from d in cache.Directives
where d.IsElement && d.Name == tag.ShortName
from p in d.Parameters
where !IsKnownCommonAttribute(p.Name, providers)
from n in GetPrefixedNames(p.Name)
select
new AttributeInfo(GetOrCreateAttributeLocked(n, tag),
p.IsOptional ? DefaultAttributeValueType.IMPLIED : DefaultAttributeValueType.REQUIRED, null);
// Parameter attributes take precedence over attribute directives. Only include one.
return(parameterAttributeInfos.Concat(attributeInfos)
.Distinct(ai => ai.AttributeDeclaredElement.ShortName).ToList());
}
}
private void RegisterCallbacks(
[NotNull] DteProtocolModel model,
[NotNull] ISolution solution
)
{
var host = solution.GetComponent <ProjectModelViewHost>();
// This manager will be stored in closures of callbacks.
// Since the entire protocol will be deleted on file execution end,
// this shouldn't cause memory leaks
var astManager = new AstManager();
foreach (var provider in solution.GetComponents <IEnvDteCallbackProvider>())
{
provider.RegisterCallbacks(astManager, solution, host, model);
}
}
