public static ExactBinding <TUserType> TryBuild(
BindToInputBindingProvider <TAttribute, TType> parent,
BindingProviderContext context)
{
var cm = parent._converterManager;
var patternMatcher = parent._patternMatcher;
var parameter = context.Parameter;
TAttribute attributeSource = parameter.GetCustomAttribute <TAttribute>(inherit: false);
Func <TAttribute, Task <TAttribute> > hookWrapper = null;
if (parent.PostResolveHook != null)
{
hookWrapper = (attrResolved) => parent.PostResolveHook(attrResolved, parameter, parent._nameResolver);
}
var cloner = new AttributeCloner <TAttribute>(attributeSource, context.BindingDataContract, parent._nameResolver, hookWrapper);
Func <object, object> buildFromAttribute;
FuncConverter <TType, TAttribute, TUserType> converter = null;
// Prefer the shortest route to creating the user type.
// If TType matches the user type directly, then we should be able to directly invoke the builder in a single step.
// TAttribute --> TUserType
var checker = ConverterManager.GetTypeValidator <TType>();
if (checker.IsMatch(typeof(TUserType)))
{
buildFromAttribute = patternMatcher.TryGetConverterFunc(typeof(TAttribute), typeof(TUserType));
}
else
{
// Try with a converter
// Find a builder for : TAttribute --> TType
// and then couple with a converter: TType --> TParameterType
converter = cm.GetConverter <TType, TUserType, TAttribute>();
if (converter == null)
{
return(null);
}
buildFromAttribute = patternMatcher.TryGetConverterFunc(typeof(TAttribute), typeof(TType));
}
if (buildFromAttribute == null)
{
return(null);
}
ParameterDescriptor param;
if (parent.BuildParameterDescriptor != null)
{
param = parent.BuildParameterDescriptor(attributeSource, parameter, parent._nameResolver);
}
else
{
param = new ParameterDescriptor
{
Name = parameter.Name,
DisplayHints = new ParameterDisplayHints
{
Description = "input"
}
};
}
return(new ExactBinding <TUserType>(cloner, param, buildFromAttribute, converter));
}
public static ExactBinding TryBuild(
BindToInputBindingProvider <TAttribute, TType> parent,
BindingProviderContext context)
{
var cm = parent._converterManager;
var patternMatcher = parent._patternMatcher;
var parameter = context.Parameter;
var userType = parameter.ParameterType;
var attributeSource = TypeUtility.GetResolvedAttribute <TAttribute>(parameter);
var cloner = new AttributeCloner <TAttribute>(attributeSource, context.BindingDataContract, parent._configuration, parent._nameResolver);
FuncAsyncConverter buildFromAttribute;
FuncAsyncConverter converter = null;
// Prefer the shortest route to creating the user type.
// If TType matches the user type directly, then we should be able to directly invoke the builder in a single step.
// TAttribute --> TUserType
var checker = OpenType.FromType <TType>();
if (checker.IsMatch(userType))
{
buildFromAttribute = patternMatcher.TryGetConverterFunc(typeof(TAttribute), userType);
}
else
{
// Try with a converter
// Find a builder for : TAttribute --> TType
// and then couple with a converter: TType --> TParameterType
converter = cm.GetConverter <TAttribute>(typeof(TType), userType);
if (converter == null)
{
var targetType = typeof(TType);
context.BindingErrors.Add(String.Format(Resource.BindingAssemblyConflictMessage, targetType.AssemblyQualifiedName, userType.AssemblyQualifiedName));
return(null);
}
buildFromAttribute = patternMatcher.TryGetConverterFunc(typeof(TAttribute), typeof(TType));
}
if (buildFromAttribute == null)
{
return(null);
}
ParameterDescriptor param;
if (parent.BuildParameterDescriptor != null)
{
param = parent.BuildParameterDescriptor(attributeSource, parameter, parent._nameResolver);
}
else
{
param = new ParameterDescriptor
{
Name = parameter.Name,
DisplayHints = new ParameterDisplayHints
{
Description = "input"
}
};
}
return(new ExactBinding(cloner, param, buildFromAttribute, converter, userType));
}
