public object ExecuteBinding(string expression, object[] contexts, DotvvmControl control)
{
var context = new DataContextStack(contexts.FirstOrDefault()?.GetType() ?? typeof(object));
context.RootControlType = control?.GetType() ?? typeof(DotvvmControl);
for (int i = 1; i < contexts.Length; i++)
{
context = new DataContextStack(contexts[i].GetType(), context);
}
var parser = new CompileTimeBindingParser();
var expressionTree = parser.Parse(expression, context, BindingParserOptions.Create <ValueBindingExpression>());
return(new BindingCompilationAttribute().CompileToDelegate(expressionTree, context, typeof(object)).Compile()(contexts, control));
}
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 configuration = DotvvmTestHelper.CreateConfiguration();
configuration.RegisterApiClient(typeof(TestApiClient), "http://server/api", "./apiscript.js", "_api");
configuration.Markup.ImportedNamespaces.Add(new NamespaceImport("DotVVM.Framework.Tests.Binding"));
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 = parser.ParseWithLambdaConversion(expression, context, BindingParserOptions.Create <ValueBindingExpression>(), expectedType);
var jsExpression =
configuration.ServiceProvider.GetRequiredService <StaticCommandBindingCompiler>().CompileToJavascript(context, expressionTree);
return(KnockoutHelper.GenerateClientPostBackScript(
"",
new FakeCommandBinding(BindingPropertyResolvers.FormatJavascript(jsExpression, nullChecks: false), null),
new Literal(),
new PostbackScriptOptions(
allowPostbackHandlers: false,
returnValue: null,
commandArgs: CodeParameterAssignment.FromIdentifier("commandArguments")
)));
}
public string CompileBinding(string expression, Type[] contexts, Type expectedType)
{
var context = DataContextStack.Create(contexts.FirstOrDefault() ?? typeof(object), extensionParameters: new BindingExtensionParameter[] {
new CurrentCollectionIndexExtensionParameter(),
new BindingCollectionInfoExtensionParameter("_collection"),
new BindingPageInfoExtensionParameter(),
new BindingApiExtensionParameter(),
}.Concat(configuration.Markup.DefaultExtensionParameters).ToArray());
for (int i = 1; i < contexts.Length; i++)
{
context = DataContextStack.Create(contexts[i], context);
}
var parser = new BindingExpressionBuilder();
var parsedExpression = parser.ParseWithLambdaConversion(expression, context, BindingParserOptions.Create <ValueBindingExpression>(), expectedType);
var expressionTree =
TypeConversion.MagicLambdaConversion(parsedExpression, expectedType) ??
TypeConversion.ImplicitConversion(parsedExpression, 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));
}
public string CompileBinding(string expression, Type[] contexts, Type expectedType)
{
var context = DataContextStack.Create(contexts.FirstOrDefault() ?? typeof(object), extenstionParameters: new BindingExtensionParameter[] {
new BindingPageInfoExtensionParameter()
});
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(JavascriptTranslator.CompileToJavascript(expressionTree, context,
DotvvmConfiguration.CreateDefault().ServiceLocator.GetService <IViewModelSerializationMapper>()));
jsExpression.AcceptVisitor(new KnockoutObservableHandlingVisitor(true));
JsTemporaryVariableResolver.ResolveVariables(jsExpression);
return(JavascriptTranslator.FormatKnockoutScript(jsExpression.Expression));
}
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));
}
