public NamespacePropertyProvider(IEnumerable <KeyValuePair <string, IPropertyProvider> > elements)
{
_items = elements.GroupBy(l => l.Key, l => l.Value).ToDictionary(
grouping => grouping.Key,
grouping => PropertyProvider.Compose(grouping)
);
}
public void ClearProperty(string property)
{
PropertyProvider.CheckProperty(property);
PropertyInfo pd = _GetProperty(property);
if (pd != null)
{
_ResetProperty(pd);
}
}
public static string Format(string format,
IEnumerable <KeyValuePair <string, object> > propertyProviders)
{
if (string.IsNullOrEmpty(format))
{
return(string.Empty);
}
return(Format(format, PropertyProvider.Compose(propertyProviders)));
}
public bool TrySetProperty(string property, object value)
{
PropertyProvider.CheckProperty(property);
PropertyInfo pd = _GetProperty(property);
if (pd != null && pd.GetValue(ObjectContext) != value)
{
pd.SetValue(ObjectContext, value);
return(true);
}
return(false);
}
public Type GetPropertyType(string property)
{
PropertyProvider.CheckProperty(property);
object result;
if (TryGetProperty(property, typeof(object), out result))
{
return((result == null) ? _items.GetType().GetElementType() : result.GetType());
}
return(null);
}
public bool TryGetProperty(string property, Type propertyType, out object value)
{
PropertyProvider.CheckProperty(property);
value = null;
foreach (var pp in _items)
{
if (pp.TryGetProperty(property, propertyType, out value))
{
return(true);
}
}
return(false);
}
public void SetProperty(string property, object value)
{
PropertyProvider.CheckProperty(property);
PropertyInfo pd = _GetProperty(property);
if (pd == null)
{
throw RuntimeFailure.PropertyNotFound(nameof(property), property);
}
if (pd.GetValue(ObjectContext) != value)
{
pd.SetValue(ObjectContext, value);
}
}
public IPropertyProvider AddNew(string name, object value = null, TypeReference type = null)
{
if (value == null && type == null)
{
throw RuntimeFailure.DataProviderTypeOrValueNotBoth();
}
if (value != null)
{
return(AddOne(name, PropertyProvider.FromValue(value)));
}
return(AddOne(name, PropertyProvider.LateBound(type)));
}
public bool TryGetProperty(string property, Type propertyType, out object value)
{
PropertyProvider.CheckProperty(property);
value = null;
int index;
if (!int.TryParse(property, out index) || index < 0 || index >= _items.Length)
{
return(false);
}
value = _items[index];
return(value == null || propertyType.GetTypeInfo().IsInstanceOfType(value));
}
protected override int MatchCriteriaCore(object criteria)
{
if (criteria == null)
{
return(0);
}
int result = 0;
var pp = PropertyProvider.FromValue(criteria);
result += EnumerateExtensions().Contains(pp.GetString("Extension")) ? 1 : 0;
result += EnumerateContentTypes().Contains(pp.GetString("ContentType")) ? 1 : 0;
result += MatchType(pp.GetProperty("OutputType"));
return(result);
}
public Type GetPropertyType(string property)
{
PropertyProvider.CheckProperty(property);
PropertyInfo descriptor = _GetProperty(property);
if (descriptor == null)
{
return(null);
}
else
{
return(descriptor.PropertyType);
}
}
public bool TryGetProperty(string property, Type propertyType, out object value)
{
PropertyProvider.CheckProperty(property);
value = null;
if (!property.Contains(':'))
{
return(false);
}
string[] items = property.Split(new [] { ':' }, 2);
string prefix = items[0];
string myProp = items[1];
var pp = _items.GetValueOrDefault(prefix) ?? PropertyProvider.Null;
return(pp.TryGetProperty(myProp, propertyType, out value));
}
public bool TryGetProperty(string property, Type propertyType, out object value)
{
PropertyProvider.CheckProperty(property);
value = null;
try {
value = _indexer.GetValue(_objectContext, new object[] { property });
} catch (TargetInvocationException ex) {
if (ex.InnerException is KeyNotFoundException ||
ex.InnerException is ArgumentException)
{
return(false);
}
throw;
}
return(true);
}
public bool TryGetProperty(string property, Type requiredType, out object value)
{
PropertyProvider.CheckProperty(property);
PropertyInfo pd = _GetProperty(property);
requiredType = requiredType ?? typeof(object);
value = null;
if (pd != null && TryGetValue(pd, out object tempValue))
{
if (tempValue == null)
{
return(true);
}
return(TryCoerceValue(pd, tempValue, requiredType, out value) &&
requiredType.IsInstanceOfType(value));
}
return(false);
}
internal static int MemberwiseEquals(object criteria, object other)
{
var pp = (other == null ? PropertyProvider.Null : PropertyProvider.FromValue(other));
int score = 0;
foreach (var m in Properties.FromValue(criteria))
{
var comparand = pp.GetProperty(m.Key);
if (comparand is Type && m.Value is Type)
{
if (((Type)m.Value).GetTypeInfo().IsAssignableFrom((Type)comparand))
{
score++;
}
}
if (object.Equals(comparand, m.Value))
{
score++;
}
}
return(score);
}
public Type GetPropertyType(string property)
{
PropertyProvider.CheckProperty(property);
return(_indexer.PropertyType);
}
public Type GetPropertyType(string property)
{
return(PropertyProvider.InferPropertyType(this, property));
}
public string Format(IEnumerable <KeyValuePair <string, object> > propertyProvider)
{
return(Format(PropertyProvider.Compose(propertyProvider)));
}
public LateBoundPropertyProvider(TypeReference type)
{
_item = new Lazy <IPropertyProvider>(
() => PropertyProvider.FromValue(Activation.CreateInstance(type.Resolve()))
);
}
public static IPropertyProvider Compose(
IEnumerable <KeyValuePair <string, object> > propertyProviders)
{
if (propertyProviders == null)
{
throw new ArgumentNullException(nameof(propertyProviders));
}
return(Compose(propertyProviders.Select(
s => new KeyValuePair <string, IPropertyProvider>(s.Key, PropertyProvider.FromValue(s.Value)))));
}
void IProperties.ClearProperty(string property)
{
PropertyProvider.CheckProperty(property);
}
void IProperties.SetProperty(string property, object value)
{
PropertyProvider.CheckProperty(property);
}
public bool TrySetProperty(string property, object value)
{
PropertyProvider.CheckProperty(property);
return(false);
}
Type IPropertyProvider.GetPropertyType(string property)
{
PropertyProvider.CheckProperty(property);
return(null);
}
