/// <summary>
/// Serializes a KeyValue object into stream in plain text..
/// </summary>
/// <param name="stream">The stream to serialize into.</param>
/// <param name="data">The data to serialize.</param>
/// <param name="options">Options to use that can influence the serialization process.</param>
public static void Serialize(Stream stream, KVObject data, KVSerializerOptions options = null)
{
using (var writer = new KVTextWriter(stream, options ?? KVSerializerOptions.DefaultOptions))
{
writer.WriteObject(data);
}
}
static bool IsArray(KVObject obj, out object[] values)
{
values = null;
if (obj.Children.Any(i => !IsNumeric(i.Name)))
{
return(false);
}
var items = obj.Children
.Select(i => new { Index = int.Parse(i.Name), i.Value })
.OrderBy(i => i.Index)
.ToArray();
for (int i = 0; i < items.Length; i++)
{
if (i != items[i].Index)
{
return(false);
}
}
values = items.Select(i => i.Value).ToArray();
return(true);
}
static void CopyObject <TObject>(KVObject kv, TObject obj, IObjectReflector reflector)
{
Require.NotNull(kv, nameof(kv));
// Cannot use Require.NotNull here because TObject might be a struct.
if (obj == null)
{
throw new ArgumentNullException(nameof(obj));
}
Require.NotNull(reflector, nameof(reflector));
var members = reflector.GetMembers(obj).ToDictionary(m => m.Name, m => m, StringComparer.OrdinalIgnoreCase);
foreach (var item in kv.Children)
{
IObjectMember member;
if (!members.TryGetValue(item.Name, out member))
{
continue;
}
member.Value = MakeObject(member.MemberType, item, reflector);
}
}
/// <summary>
/// Serializes a KeyValue object into stream.
/// </summary>
/// <param name="stream">The stream to serialize into.</param>
/// <param name="data">The data to serialize.</param>
/// <param name="options">Options to use that can influence the serialization process.</param>
public void Serialize(Stream stream, KVObject data, KVSerializerOptions options = null)
{
using (var serializer = MakeSerializer(stream, options ?? KVSerializerOptions.DefaultOptions))
{
var visitor = new KVObjectVisitor(serializer);
visitor.Visit(data);
}
}
static object MakeDictionary(Type type, KVObject kv, IObjectReflector reflector)
{
var dictionary = Activator.CreateInstance(type);
var genericArguments = type.GetGenericArguments();
typeof(ObjectCopier)
.GetMethod(nameof(FillDictionary), BindingFlags.Static | BindingFlags.NonPublic)
.MakeGenericMethod(genericArguments)
.Invoke(null, new[] { dictionary, kv, reflector });
return(dictionary);
}
static void Merge(KVObject from, KVObject into)
{
foreach (var child in from)
{
var matchingChild = into.Children.FirstOrDefault(c => c.Name == child.Name);
if (matchingChild == null && into.Value.ValueType == KVValueType.Collection)
{
into.Add(child);
}
else
{
Merge(from: child, into: matchingChild);
}
}
}
public void WriteObject(KVObject data)
{
if (data.Value.ValueType == KVValueType.Collection)
{
WriteStartObject(data.Name);
var children = data.Children;
foreach (var item in children)
{
WriteObject(item);
}
WriteEndObject();
}
else
{
WriteKeyValuePair(data.Name, data.Value);
}
}
public static TObject MakeObject <TObject>(KVObject keyValueObject, IObjectReflector reflector)
{
Require.NotNull(keyValueObject, nameof(keyValueObject));
Require.NotNull(reflector, nameof(reflector));
if (keyValueObject.Value.ValueType == KVValueType.Collection)
{
object[] enumerableValues;
Type lookupValueType;
object enumerable;
if (IsLookupWithStringKey(typeof(TObject), out lookupValueType))
{
return((TObject)MakeLookup(lookupValueType, keyValueObject, reflector));
}
else if (IsDictionary(typeof(TObject)))
{
return((TObject)MakeDictionary(typeof(TObject), keyValueObject, reflector));
}
else if (IsArray(keyValueObject, out enumerableValues) && ConstructTypedEnumerable(typeof(TObject), enumerableValues, reflector, out enumerable))
{
return((TObject)enumerable);
}
else if (IsConstructibleEnumerableType(typeof(TObject)))
{
throw new InvalidOperationException($"Cannot deserialize a non-array value to type \"{typeof(TObject).Namespace}.{typeof(TObject).Name}\".");
}
var typedObject = (TObject)FormatterServices.GetUninitializedObject(typeof(TObject));
CopyObject(keyValueObject, typedObject, reflector);
return(typedObject);
}
else if (TryConvertValueTo <TObject>(keyValueObject.Value, out var converted))
{
return(converted);
}
else
{
throw new NotSupportedException(typeof(TObject).Name);
}
}
/// <summary>
/// Adds a <see cref="KVObject" /> as a child of the current object.
/// </summary>
/// <param name="value">The child to add.</param>
public void Add(KVObject value)
{
Require.NotNull(value, nameof(value));
GetCollectionValue().Add(value);
}
static void FillDictionary <TKey, TValue>(Dictionary <TKey, TValue> dictionary, KVObject kv, IObjectReflector reflector)
{
foreach (var item in kv.Children)
{
var key = ConvertValue <TKey>(item.Name, reflector);
var value = ConvertValue <TValue>(item.Value, reflector);
dictionary[key] = value;
}
}
public static object MakeObject(Type objectType, KVObject keyValueObject, IObjectReflector reflector)
=> InvokeGeneric(nameof(MakeObject), objectType, new object[] { keyValueObject, reflector });
public static TObject MakeObject <TObject>(KVObject keyValueObject) => MakeObject <TObject>(keyValueObject, new DefaultObjectReflector());
static void FillDictionary <TKey, TValue>(Dictionary <TKey, TValue> dictionary, KVObject kv)
{
foreach (var item in kv.Children)
{
var key = (TKey)Convert.ChangeType(item.Name, typeof(TKey));
var value = (TValue)Convert.ChangeType(item.Value, typeof(TValue));
dictionary[key] = value;
}
}
public void AddItemForAppending(KVObject item) => includedObjectsToAppend.Add(item);
public void AddItemForMerging(KVObject item) => includedObjectsToMerge.Add(item);
public void AddItem(KVObject item) => CurrentObject.Items.Add(item);
