protected ContentConverter(Type type, KeyConverter keyConverter, KeyForType forType)
{
idGetter = GetIdGetter(type);
dataGetters = keyConverter.GetDataGetters(
type: type,
forType: forType).ToArray();
}
private IEnumerable <Action <object, object> > GetSetters(Type type, KeyForType keyForType)
{
var attributeProperties = type?.GetProperties <KeyAttribute>()?
.Where(p => p.GetSetMethod() != default).ToArray();
if (attributeProperties?.Any() ?? false)
{
foreach (var attributeProperty in attributeProperties)
{
var name = attributeProperty.GetAttribute <KeyAttribute>()?.Name
?? attributeProperty.Name;
var key = keys.SingleOrDefault(k => k.AttrName == name &&
k.For == keyForType);
if (key != default)
{
var attributeType = attributeProperty.PropertyType;
if (!setters.ContainsKey(attributeType))
{
var textGetter = default(Func <object, string>);
switch (keyForType)
{
case KeyForType.Graph:
textGetter = (graph) => (graph as GraphType).GetAttribute(key);
break;
case KeyForType.Node:
textGetter = (node) => (node as NodeType).GetAttribute(key);
break;
case KeyForType.Edge:
textGetter = (edge) => (edge as EdgeType).GetAttribute(key);
break;
}
if (textGetter != default)
{
void result(object element, object output) => SetAttribute(
element: element,
attributeProperty: attributeProperty,
attributeType: attributeType,
textGetter: textGetter,
output: output);
yield return(result);
}
}
}
}
}
}
public IEnumerable <Func <object, DataType> > GetDataGetters(Type type, KeyForType forType = KeyForType.All)
{
var properties = type.GetProperties()
.Where(p => p.GetCustomAttribute(typeof(KeyAttribute)) != default).ToArray();
foreach (var property in properties)
{
var name = (property.GetCustomAttribute(typeof(KeyAttribute)) as KeyAttribute)?.Name
?? property.Name;
var key = GetKey(
name: name,
type: property.PropertyType,
forType: forType);
yield return((input) => GetData(
input: input,
property: property,
key: key));
}
}
public IEnumerable <Action <object, object> > Get(Type type, KeyForType keyForType)
{
var result = default(IEnumerable <Action <object, object> >);
if (keys?.Any() ?? false)
{
if (!setters.ContainsKey(type))
{
var currents = GetSetters(
type: type,
keyForType: keyForType).ToArray();
setters.Add(
key: type,
value: currents);
}
result = setters[type];
}
return(result);
}
private KeyType GetKey(string name, Type type, KeyForType forType)
{
var keyType = GetKeyType(type);
var key = Keys?.SingleOrDefault(k => k.AttrName == name &&
k.For == forType &&
k.AttrType == keyType);
if (key == default)
{
key = new KeyType
{
For = forType,
AttrName = name,
AttrType = keyType,
AttrTypeSpecified = true,
Id = $"Key-{keyIndex++}",
};
Keys.Add(key);
}
return(key);
}
