public IAbstractBinding BuildBinding(BindingParserOptions bindingOptions, DothtmlBindingNode node, IDataContextStack dataContext, Exception parsingError, ITypeDescriptor resultType, object customData)
{
return new ResolvedBinding()
{
BindingType = bindingOptions.BindingType,
Value = node.Value,
Expression = (Expression)customData,
DataContextTypeStack = (DataContextStack)dataContext,
ParsingError = parsingError,
BindingNode = node,
ResultType = resultType
};
}
/// <summary>
/// Reads the binding.
/// </summary>
private DothtmlBindingNode ReadBinding()
{
var startIndex = CurrentIndex;
var binding = new DothtmlBindingNode();
Assert(DothtmlTokenType.OpenBinding);
binding.StartToken = Read();
binding.NameNode = ReadName(true, true, DothtmlTokenType.Text);
Assert(DothtmlTokenType.Colon);
binding.SeparatorToken = Read();
binding.ValueNode = ReadTextValue(true, true, DothtmlTokenType.Text);
Assert(DothtmlTokenType.CloseBinding);
binding.EndToken = Read();
binding.Tokens.Add(GetTokensFrom(startIndex));
return(binding);
}
protected override IAbstractBinding CompileBinding(DothtmlBindingNode node, BindingParserOptions bindingOptions, IDataContextStack context)
{
Expression expression = null;
Exception parsingError = null;
ITypeDescriptor resultType = null;
if (context == null)
{
parsingError = new DotvvmCompilationException("The DataContext couldn't be evaluated because of the errors above.", node.Tokens);
}
else
{
try
{
expression = bindingExpressionBuilder.Parse(node.Value, (DataContextStack)context, bindingOptions);
resultType = new ResolvedTypeDescriptor(expression.Type);
}
catch (Exception exception)
{
parsingError = exception;
}
}
return treeBuilder.BuildBinding(bindingOptions, node, context, parsingError, resultType, expression);
}
public void Visit(DothtmlBindingNode binding)
{
LastFoundNode = binding;
}
public DothtmlValueBindingNode(DothtmlBindingNode bindingNode, IReadOnlyList <DothtmlToken> valueTokens)
{
BindingNode = bindingNode;
ValueTokens = valueTokens;
}
public void Visit(DothtmlBindingNode binding)
{
LastFoundNode = binding;
}