public void Execute(TagHelperDescriptorProviderContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
var compilation = context.GetCompilation();
if (compilation == null)
{
// No compilation, nothing to do.
return;
}
var symbols = ComponentSymbols.Create(compilation);
var types = new List <INamedTypeSymbol>();
var visitor = new ComponentTypeVisitor(symbols, types);
var targetAssembly = context.Items.GetTargetAssembly();
if (targetAssembly is not null)
{
visitor.Visit(targetAssembly.GlobalNamespace);
}
else
{
visitor.Visit(compilation.Assembly.GlobalNamespace);
foreach (var reference in compilation.References)
{
if (compilation.GetAssemblyOrModuleSymbol(reference) is IAssemblySymbol assembly)
{
visitor.Visit(assembly.GlobalNamespace);
}
}
}
for (var i = 0; i < types.Count; i++)
{
var type = types[i];
// Components have very simple matching rules.
// 1. The type name (short) matches the tag name.
// 2. The fully qualified name matches the tag name.
var shortNameMatchingDescriptor = CreateShortNameMatchingDescriptor(symbols, type);
context.Results.Add(shortNameMatchingDescriptor);
var fullyQualifiedNameMatchingDescriptor = CreateFullyQualifiedNameMatchingDescriptor(symbols, type);
context.Results.Add(fullyQualifiedNameMatchingDescriptor);
foreach (var childContent in shortNameMatchingDescriptor.GetChildContentProperties())
{
// Synthesize a separate tag helper for each child content property that's declared.
context.Results.Add(CreateChildContentDescriptor(symbols, shortNameMatchingDescriptor, childContent));
context.Results.Add(CreateChildContentDescriptor(symbols, fullyQualifiedNameMatchingDescriptor, childContent));
}
}
}
public void Execute(TagHelperDescriptorProviderContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
var compilation = context.GetCompilation();
if (compilation == null)
{
// No compilation, nothing to do.
return;
}
// We need to see private members too
compilation = WithMetadataImportOptionsAll(compilation);
var symbols = ComponentSymbols.Create(compilation);
var types = new List <INamedTypeSymbol>();
var visitor = new ComponentTypeVisitor(symbols, types);
// Visit the primary output of this compilation, as well as all references.
visitor.Visit(compilation.Assembly);
foreach (var reference in compilation.References)
{
// We ignore .netmodules here - there really isn't a case where they are used by user code
// even though the Roslyn APIs all support them.
if (compilation.GetAssemblyOrModuleSymbol(reference) is IAssemblySymbol assembly)
{
visitor.Visit(assembly);
}
}
for (var i = 0; i < types.Count; i++)
{
var type = types[i];
// Components have very simple matching rules.
// 1. The type name (short) matches the tag name.
// 2. The fully qualified name matches the tag name.
var shortNameMatchingDescriptor = CreateShortNameMatchingDescriptor(symbols, type);
context.Results.Add(shortNameMatchingDescriptor);
var fullyQualifiedNameMatchingDescriptor = CreateFullyQualifiedNameMatchingDescriptor(symbols, type);
context.Results.Add(fullyQualifiedNameMatchingDescriptor);
foreach (var childContent in shortNameMatchingDescriptor.GetChildContentProperties())
{
// Synthesize a separate tag helper for each child content property that's declared.
context.Results.Add(CreateChildContentDescriptor(symbols, shortNameMatchingDescriptor, childContent));
context.Results.Add(CreateChildContentDescriptor(symbols, fullyQualifiedNameMatchingDescriptor, childContent));
}
}
}
public void Execute(TagHelperDescriptorProviderContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
var compilation = context.GetCompilation();
if (compilation == null)
{
// No compilation, nothing to do.
return;
}
var componentSymbol = compilation.GetTypeByMetadataName(TagHelperTypes.IComponent);
if (componentSymbol == null || componentSymbol.TypeKind == TypeKind.Error)
{
// Could not find attributes we care about in the compilation. Nothing to do.
return;
}
var types = new List <INamedTypeSymbol>();
var visitor = new ComponentTypeVisitor(componentSymbol, types);
// We always visit the global namespace.
visitor.Visit(compilation.Assembly.GlobalNamespace);
foreach (var reference in compilation.References)
{
if (compilation.GetAssemblyOrModuleSymbol(reference) is IAssemblySymbol assembly)
{
if (IsTagHelperAssembly(assembly))
{
visitor.Visit(assembly.GlobalNamespace);
}
}
}
for (var i = 0; i < types.Count; i++)
{
var type = types[i];
var descriptor = CreateDescriptor(type);
if (descriptor != null)
{
context.Results.Add(descriptor);
}
}
}
public void Execute(TagHelperDescriptorProviderContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
var compilation = context.GetCompilation();
if (compilation == null)
{
// No compilation, nothing to do.
return;
}
var componentSymbol = compilation.GetTypeByMetadataName(BlazorApi.IComponent.MetadataName);
if (componentSymbol == null)
{
// No definition for IComponent, nothing to do.
return;
}
var types = new List <INamedTypeSymbol>();
var visitor = new ComponentTypeVisitor(componentSymbol, types);
// Visit the primary output of this compilation, as well as all references.
visitor.Visit(compilation.Assembly);
foreach (var reference in compilation.References)
{
// We ignore .netmodules here - there really isn't a case where they are used by user code
// even though the Roslyn APIs all support them.
if (compilation.GetAssemblyOrModuleSymbol(reference) is IAssemblySymbol assembly)
{
visitor.Visit(assembly);
}
}
for (var i = 0; i < types.Count; i++)
{
var type = types[i];
context.Results.Add(CreateDescriptor(type));
}
}