private PropertyTreeMetaObject DoOperatorBind(PropertyTreeBinderImpl parent, PropertyTreeMetaObject target, PropertyTreeNavigator navigator, OperatorDefinition op)
{
OperatorDefinition addon = op;
if (addon.DefaultParameter != null) {
Type itemType = ((PropertyTreeFactoryDefinition) addon).OutputType;
// TODO Use service activation (we have the output type)
var item = target.CreateChild(itemType);
var model = parent.Bind(item, navigator, null);
var args = new Dictionary<string, PropertyTreeMetaObject>
{
{ addon.DefaultParameter.Name, model }
};
try {
target.BindAddChild(op, args);
} catch (Exception ex) {
if (ex.IsCriticalException())
throw;
parent.errors.BadAddChild(target.ComponentType, ex, navigator.FileLocation);
}
} else {
// TODO The number and kinds of arguments are constrained. This should probably
// be enforced within schema operator reflection (spec)
Action<IReadOnlyDictionary<string, PropertyTreeMetaObject>> func;
var children = NodeList.Create(SelectChildren(navigator));
switch (addon.OperatorType) {
case OperatorType.Add:
func = args => {
var child = target.BindAddChild(addon, args);
if (child.ShouldBindChildren) {
parent.BindChildNodes(child, navigator, children);
}
};
break;
case OperatorType.Remove:
func = args => target.BindRemoveChild(addon, args);
break;
case OperatorType.Clear:
default:
func = args => target.BindClearChildren(addon, args);
break;
}
var services = parent.GetBasicServices(navigator);
var args2 = parent.ExtractParameterDictionary(op, target, services, children);
func(args2);
}
return target;
}
private void DoPropertyBind(PropertyTreeMetaObject target,
PropertyTreeNavigator navigator,
PropertyDefinition property)
{
object ancestor = null;
PropertyTreeMetaObject ancestorMeta = null;
if (property.IsExtender)
{
var ancestorType = property.DeclaringTreeDefinition.SourceClrType;
ancestorMeta = target.Ancestors.FirstOrDefault(
t => ancestorType.IsAssignableFrom(t.ComponentType));
if (ancestorMeta != null)
{
ancestor = ancestorMeta.Component;
}
}
var component = target.Component;
PropertyTreeMetaObject propertyTarget = target.CreateChild(property, navigator.QualifiedName, ancestorMeta);
var services = new PropertyBindContext(
component,
property,
ServiceProvider.Compose(ServiceProvider.FromValue(navigator), this))
{
LineNumber = navigator.LineNumber,
LinePosition = navigator.LinePosition,
};
try {
propertyTarget = Bind(propertyTarget, navigator, services);
target.BindSetMember(property, navigator.QualifiedName, propertyTarget, ancestorMeta, services);
} catch (NullReferenceException nre) {
// Normally a "critical" exception, consider it a conversion error
_errors.BinderConversionError(property.Name, target.ComponentType, nre, navigator.FileLocation);
} catch (ArgumentException a) {
_errors.BinderConversionError(property.Name, target.ComponentType, a, navigator.FileLocation);
} catch (PropertyTreeException) {
throw;
} catch (Exception ex) {
if (ex.IsCriticalException())
{
throw;
}
_errors.BinderConversionError(property.Name, target.ComponentType, ex, navigator.FileLocation);
}
}
public Dictionary <string, PropertyTreeMetaObject> ExtractParameterDictionary(
OperatorDefinition op,
PropertyTreeMetaObject target,
IServiceProvider serviceProvider,
NodeList children)
{
// Named constructor arguments
var duplicates = new HashSet <QualifiedName>();
var mapped = new Dictionary <QualifiedName, PropertyTreeNavigator>();
foreach (var child in children)
{
// Implicitly map default NS to real
var impliedName = ImpliedName(child, target);
if (duplicates.Contains(impliedName))
{
// Duplicates can't bind to parameters (only to param arrays)
}
else if (mapped.ContainsKey(impliedName))
{
// Detected a duplicate
duplicates.Add(impliedName);
mapped.Remove(impliedName);
}
else
{
mapped.Add(impliedName, child);
}
}
var args = new Dictionary <string, PropertyTreeMetaObject>(op.Parameters.Count);
PropertyDefinition myParam = null;
List <string> requiredMissing = new List <string>();
foreach (PropertyDefinition p in op.Parameters)
{
// Fallback to empty ns
PropertyTreeNavigator nav;
QualifiedName impliedName = p.QualifiedName;
if (p.QualifiedName.Namespace.IsDefault)
{
impliedName = impliedName.ChangeNamespace(op.Namespace);
}
if (mapped.TryGetValue(impliedName, out nav))
{
// Binds a parameter required for activating an instance
// TODO Should we supply/use attributes from the parameter
// and/or corresponding property descriptor?
var childContext = target.CreateChild(p.PropertyType);
args[p.Name] = Bind(childContext, nav, serviceProvider);
children.Remove(nav);
}
else if (p.IsOptional)
{
PropertyTreeMetaObject defaultValue;
if (p.DefaultValue == null)
{
defaultValue = PropertyTreeMetaObject.Create(p.PropertyType);
}
else
{
defaultValue = PropertyTreeMetaObject.Create(p.DefaultValue);
}
args[p.Name] = defaultValue;
}
else if (p.IsParamArray)
{
myParam = p;
}
else if (TypeHelper.IsParameterRequired(p.PropertyType))
{
requiredMissing.Add(Utility.DisplayName(p.QualifiedName));
}
}
if (requiredMissing.Count > 0)
{
_errors.RequiredPropertiesMissing(requiredMissing, op, FindFileLocation(serviceProvider));
}
if (myParam == null && !target.GetDefinition().DefaultProperties.Any() && duplicates.Any(t => target.SelectProperty(t) != null))
{
_errors.DuplicatePropertyName(duplicates, FindFileLocation(serviceProvider));
}
// Try param array
if (myParam != null)
{
var all = new List <object>();
var elementType = myParam.PropertyType.GetElementType();
foreach (var kvp in children)
{
// Bind child nodes so tha latebound applies
var childrenList = NodeList.Create(PropertyTreeBinderImpl.SelectChildren(kvp));
var inline = BindChildNodes(PropertyTreeMetaObject.Create(elementType), kvp, childrenList);
var inlineVal = inline.Component;
all.Add(inlineVal);
}
children.Clear();
var array = Array.CreateInstance(elementType, all.Count);
((System.Collections.ICollection)all).CopyTo(array, 0);
args[myParam.Name] = PropertyTreeMetaObject.Create(array);
}
return(args);
}
private PropertyTreeMetaObject DoOperatorBind(PropertyTreeBinderImpl parent, PropertyTreeMetaObject target, PropertyTreeNavigator navigator, OperatorDefinition op)
{
OperatorDefinition addon = op;
if (addon.DefaultParameter != null)
{
Type itemType = addon.OutputType;
// TODO Use service activation (we have the output type)
var item = target.CreateChild(itemType);
var model = parent.Bind(item, navigator, null);
var args = new Dictionary <string, PropertyTreeMetaObject>
{
{ addon.DefaultParameter.Name, model }
};
try {
target.BindAddChild(op, args);
} catch (PropertyTreeException) {
throw;
} catch (Exception ex) {
if (ex.IsCriticalException())
{
throw;
}
parent._errors.BadAddChild(target.ComponentType, ex, navigator.FileLocation);
}
}
else
{
// TODO The number and kinds of arguments are constrained. This should probably
// be enforced within schema operator reflection (spec)
Action <IReadOnlyDictionary <string, PropertyTreeMetaObject> > func;
var children = NodeList.Create(SelectChildren(navigator));
switch (addon.OperatorType)
{
case OperatorType.Add:
func = args => {
var child = target.BindAddChild(addon, args);
if (child.ShouldBindChildren)
{
parent.BindChildNodes(child, navigator, children);
}
};
break;
case OperatorType.Remove:
func = args => target.BindRemoveChild(addon, args);
break;
case OperatorType.Clear:
default:
func = args => target.BindClearChildren(addon, args);
break;
}
var services = parent.GetBasicServices(navigator);
var args2 = parent.ExtractParameterDictionary(op, target, services, children);
func(args2);
}
return(target);
}
private void DoPropertyBind(PropertyTreeBinderImpl parent,
PropertyTreeMetaObject target,
PropertyTreeNavigator navigator,
PropertyDefinition property)
{
object ancestor = null;
PropertyTreeMetaObject ancestorMeta = null;
if (property.IsExtender) {
var ancestorType = property.DeclaringTreeDefinition.SourceClrType;
ancestorMeta = target.GetAncestors().Cast<PropertyTreeMetaObject>().FirstOrDefault(
t => ancestorType.IsAssignableFrom(t.ComponentType));
if (ancestorMeta != null)
ancestor = ancestorMeta.Component;
}
var component = target.Component;
PropertyTreeMetaObject propertyTarget = target.CreateChild(property, navigator.QualifiedName, ancestorMeta);
var services = new PropertyBindContext(
component,
property,
ServiceProvider.Compose(ServiceProvider.FromValue(navigator), parent))
{
LineNumber = navigator.LineNumber,
LinePosition = navigator.LinePosition,
};
propertyTarget = parent.Bind(propertyTarget, navigator, services);
target.BindSetMember(property, navigator.QualifiedName, propertyTarget, ancestorMeta, services);
}
public Dictionary<string, PropertyTreeMetaObject> ExtractParameterDictionary(
OperatorDefinition op,
PropertyTreeMetaObject target,
IServiceProvider serviceProvider,
NodeList children)
{
// Named constructor arguments
var duplicates = new HashSet<QualifiedName>();
var mapped = new Dictionary<QualifiedName, PropertyTreeNavigator>();
foreach (var child in children) {
// Implicitly map default NS to real
var impliedName = ImpliedName(child, target);
if (duplicates.Contains(impliedName)) {
// Duplicates can't bind to parameters (only to param arrays)
} else if (mapped.ContainsKey(impliedName)) {
// Detected a duplicate
duplicates.Add(impliedName);
mapped.Remove(impliedName);
} else {
mapped.Add(impliedName, child);
}
}
var args = new Dictionary<string, PropertyTreeMetaObject>(op.Parameters.Count);
PropertyDefinition myParam = null;
List<string> requiredMissing = new List<string>();
foreach (PropertyDefinition p in op.Parameters) {
// Fallback to empty ns
PropertyTreeNavigator nav;
QualifiedName impliedName = p.QualifiedName;
if (p.QualifiedName.Namespace.IsDefault) {
impliedName = impliedName.ChangeNamespace(op.Namespace);
}
if (mapped.TryGetValue(impliedName, out nav)) {
// Binds a parameter required for activating an instance
// TODO Should we supply/use attributes from the parameter
// and/or corresponding property descriptor?
var childContext = target.CreateChild(p.PropertyType);
args[p.Name] = Bind(childContext, nav, serviceProvider);
children.Remove(nav);
}
else if (p.IsOptional) {
PropertyTreeMetaObject defaultValue;
if (p.DefaultValue == null)
defaultValue = PropertyTreeMetaObject.Create(p.PropertyType);
else
defaultValue = PropertyTreeMetaObject.Create(p.DefaultValue);
args[p.Name] = defaultValue;
} else if (p.IsParamArray)
myParam = p;
else if (TypeHelper.IsParameterRequired(p.PropertyType)) {
requiredMissing.Add(Utility.DisplayName(p.QualifiedName));
}
}
if (requiredMissing.Count > 0)
errors.RequiredPropertiesMissing(requiredMissing, op, FindFileLocation(serviceProvider));
if (myParam == null && target.GetDefinition().DefaultProperty == null && duplicates.Any(t => target.SelectProperty(t) != null))
errors.DuplicatePropertyName(duplicates, FindFileLocation(serviceProvider));
// Try param array
if (myParam != null) {
var all = new List<object>();
var elementType = myParam.PropertyType.GetElementType();
foreach (var kvp in children) {
// Bind child nodes so tha latebound applies
var childrenList = NodeList.Create(PropertyTreeBinderImpl.SelectChildren(kvp));
var inline = BindChildNodes(PropertyTreeMetaObject.Create(elementType), kvp, childrenList);
var inlineVal = inline.Component;
all.Add(inlineVal);
}
children.Clear();
var array = Array.CreateInstance(elementType, all.Count);
((System.Collections.ICollection) all).CopyTo(array, 0);
args[myParam.Name] = PropertyTreeMetaObject.Create(array);
}
return args;
}
