public Result.IfSuccess <XamlModificationCollection> Visit(IBindingNode bindingNode, Parameters parameters, Context context)
{
var result = bindingNode.Visit(this, parameters, context);
if (result)
{
return(Result.Success(new XamlModificationCollection(context.XamlModificationInfos, context.BindingRootTypes)));
}
return(Result.Error());
}
private static MemberBinding CreateBindingExpressions(
IList <Expression> expressions,
VaribalesCollection variables,
IBindingNode binding,
Expression ifNull)
{
switch (binding)
{
case MemberAssignmentNode memberAssignment:
{
var expression = CreateVariableExpressions(expressions, variables, memberAssignment.Nodes, ifNull);
return(Expression.Bind(memberAssignment.Binding.Member, expression));
}
case MemberListBindingNode memberListBinding:
{
var memberInitCollection = new List <ElementInit>();
foreach (var initializer in memberListBinding.Initializers)
{
var args = new List <Expression>();
foreach (var argument in initializer.Arguments)
{
var expression = CreateVariableExpressions(expressions, variables, argument, ifNull);
args.Add(expression);
}
memberInitCollection.Add(Expression.ElementInit(initializer.ElementInit.AddMethod, args));
}
return(Expression.ListBind(memberListBinding.Binding.Member, memberInitCollection));
}
case MemberMemberBindingNode memberMemberBindingElement:
{
var m = memberMemberBindingElement.Bindings.Select(s =>
CreateBindingExpressions(expressions, variables, s, ifNull));
return(Expression.MemberBind(memberMemberBindingElement.MemberMemberBinding.Member, m));
}
default:
throw new ArgumentOutOfRangeException($"{binding}");
}
}
public Result.IfSuccess <IReadOnlyList <GeneratedBindingContainer> > Visit(IBindingNode bindingNode, Parameters parameters, Context context)
{
var result = bindingNode.Visit(this, parameters, context);
if (result)
{
var generatedContainers = new List <GeneratedBindingContainer>();
foreach (var bindingContainerInfo in context.BindingContainerInfos)
{
var bindingContainerBaseType = this.typeResolver.GetType("Sundew.Xaml.Optimizations.BindingConnector`1");
context.ExternAliases.TryAdd(bindingContainerBaseType);
var sourceCode = $@"{GetNamespacesAndExternalAliases(this.bindingXamlPlatformInfo.DefaultUsingStatements, bindingContainerInfo.ExternalAliases)}
namespace {parameters.Namespace}
{{
[global::System.CodeDom.Compiler.GeneratedCode(""Sundew.Xaml.Optimizations.Bindings"", ""{ToolVersion}"")]
[global::System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
public class {bindingContainerInfo.BindingContainerType.TypeName} : {this.typeResolver.GetAliasQualifiedGenericType(bindingContainerBaseType, this.typeResolver.GetType(bindingContainerInfo.NamespaceQualifiedBindingRootType))}
{{
protected override void OnConnect()
{{
{bindingContainerInfo.CodeBuilder}
}}
public override object ProvideValue(System.IServiceProvider serviceProvider)
{{
return new {bindingContainerInfo.BindingContainerType.TypeName}();
}}
}}
}}";
generatedContainers.Add(new GeneratedBindingContainer(parameters.OutputPath, bindingContainerInfo.BindingContainerType, sourceCode));
}
return(Result.Success((IReadOnlyList <GeneratedBindingContainer>)generatedContainers));
}
return(Result.Error());
}
public ReusableWatcherFactory(Binder <TContext> .BindingAction[] actions, IBindingNode <TContext> root)
{
_actions = actions;
_root = root;
}
public DefaultWatcherFactory(Binder <TContext> .BindingAction[] actions, IBindingNode <TContext> rootNode)
{
_actions = actions;
_rootNode = rootNode;
}
public void VisitUnknown(IBindingNode bindingNode, StringBuilder stringBuilder, int indent)
{
throw VisitException.Create(bindingNode, stringBuilder, indent);
}
public string Visit(IBindingNode bindingNode, StringBuilder stringBuilder, int indent)
{
stringBuilder ??= new StringBuilder();
bindingNode.Visit(this, stringBuilder, indent);
return(stringBuilder.ToString());
}
public void VisitUnknown(IBindingNode bindingNode, Parameters parameters, Context context)
{
throw VisitException.Create(bindingNode, parameters, context);
}
public CollectionBindingNode(int[] indexes, IBindingNode <TItem> itemNode)
{
Indexes = indexes;
ItemNode = itemNode;
}