public string CompileBinding(string expression, Type[] contexts, Type expectedType)
{
var context = new DataContextStack(contexts.FirstOrDefault() ?? typeof(object), rootControlType: typeof(DotvvmControl));
for (int i = 1; i < contexts.Length; i++)
{
context = new DataContextStack(contexts[i], context);
}
var parser = new BindingExpressionBuilder();
var expressionTree = TypeConversion.ImplicitConversion(parser.Parse(expression, context, BindingParserOptions.Create <ValueBindingExpression>()), expectedType, true, true);
return(JavascriptTranslator.CompileToJavascript(expressionTree, context));
}
public object ExecuteBinding(string expression, object[] contexts, DotvvmControl control, NamespaceImport[] imports = null, Type expectedType = null)
{
var context = new DataContextStack(contexts.FirstOrDefault()?.GetType() ?? typeof(object), rootControlType: control?.GetType() ?? typeof(DotvvmControl));
for (int i = 1; i < contexts.Length; i++)
{
context = new DataContextStack(contexts[i].GetType(), context);
}
var parser = new BindingExpressionBuilder();
var expressionTree = parser.Parse(expression, context, BindingParserOptions.Create <ValueBindingExpression>(importNs: new[] { new NamespaceImport("DotVVM.Framework.Tests.Binding") }.Concat(imports ?? Enumerable.Empty <NamespaceImport>()).ToArray()));
Array.Reverse(contexts);
return(new BindingCompilationAttribute().CompileToDelegate(expressionTree, context, expectedType ?? typeof(object)).Compile()(contexts, control));
}
public string CompileBinding(string expression, Type[] contexts, Type expectedType)
{
var context = DataContextStack.Create(contexts.FirstOrDefault() ?? typeof(object), extensionParameters: new BindingExtensionParameter[] {
new BindingPageInfoExtensionParameter(),
}.Concat(configuration.Markup.DefaultExtensionParameters).ToArray());
for (int i = 1; i < contexts.Length; i++)
{
context = DataContextStack.Create(contexts[i], context);
}
var parser = new BindingExpressionBuilder();
var expressionTree = TypeConversion.ImplicitConversion(parser.Parse(expression, context, BindingParserOptions.Create <ValueBindingExpression>()), expectedType, true, true);
var jsExpression = new JsParenthesizedExpression(configuration.ServiceProvider.GetRequiredService <JavascriptTranslator>().CompileToJavascript(expressionTree, context));
jsExpression.AcceptVisitor(new KnockoutObservableHandlingVisitor(true));
JsTemporaryVariableResolver.ResolveVariables(jsExpression);
return(JavascriptTranslator.FormatKnockoutScript(jsExpression.Expression));
}
