public override bool Equals(object obj)
{
if (this == obj)
{
return(true);
}
if (obj == null)
{
return(false);
}
if (this.GetType() != obj.GetType())
{
return(false);
}
VPackSlice other = (VPackSlice)obj;
if (this.start != other.start)
{
return(false);
}
if (!this.GetRawVPack().SequenceEqual(other.GetRawVPack()))
{
return(false);
}
return(true);
}
private void AppendVPack(VPackSlice value)
{
byte[] vpack = value.GetRawVPack();
this.EnsureCapacity(this.size + vpack.Length);
Array.Copy(vpack, 0, this.buffer, this.size, vpack.Length);
this.size += vpack.Length;
}
/// <returns>the offset for the nth member from a compact Array or Object type</returns>
private int GetNthOffsetFromCompact(int index)
{
long end = NumberUtil.ReadVariableValueLength(this.vpack, this.start + 1, false);
long n = NumberUtil.ReadVariableValueLength(this.vpack, (int)(this.start + end - 1), true);
if (index >= n)
{
throw new IndexOutOfRangeException();
}
byte head = Head;
long offset = 1 + NumberUtil.GetVariableValueLength(end);
long current = 0;
while (current != index)
{
long byteSize = new VPackSlice(this.vpack, (int)(this.start + offset)).ByteSize;
offset += byteSize;
if (head == 0x14)
{
offset += byteSize;
}
++current;
}
return((int)offset);
}
/// <exception cref="java.lang.InstantiationException"/>
/// <exception cref="java.lang.IllegalAccessException"/>
/// <exception cref="System.MissingMethodException"/>
/// <exception cref="java.lang.reflect.InvocationTargetException"/>
/// <exception cref="VPackException"/>
private IEnumerable DeserializeCollection(VPackSlice parent, VPackSlice vpack, Type type, Type contentType)
{
var info = type.GetTypeInfo();
long length = vpack.GetLength();
IList value;
if (typeof(IList).GetTypeInfo().IsAssignableFrom(info) && info.IsClass)
{
value = (IList)CreateInstance(type);
}
else
{
value = (IList)Activator.CreateInstance(typeof(List <>).MakeGenericType(contentType), (int)length);
}
if (length > 0)
{
for (int i = 0; i < length; i++)
{
value.Add(GetValue(parent, vpack.Get(i), contentType, null));
}
}
return(value);
}
/// <exception cref="VPackException"/>
public virtual string ToJson(VPackSlice vpack, bool includeNullValues)
{
StringBuilder json = new StringBuilder();
this.Parse(null, null, vpack, json, includeNullValues);
return(json.ToString());
}
public virtual VPackSlice ValueAt(int index)
{
if (!this.IsObject)
{
throw new VPackValueTypeException(ValueType.OBJECT);
}
VPackSlice key = this.GetNthKey(index);
return(new VPackSlice(this.vpack, key.start + key.ByteSize));
}
/// <exception cref="System.MissingMethodException"/>
/// <exception cref="java.lang.IllegalAccessException"/>
/// <exception cref="java.lang.reflect.InvocationTargetException"/>
/// <exception cref="java.lang.InstantiationException"/>
/// <exception cref="VPackException"/>
private void DeserializeField(
VPackSlice parent,
VPackSlice vpack,
object entity,
VPackCache.FieldInfo fieldInfo)
{
if (!vpack.IsNone)
{
object value = GetValue(parent, vpack, fieldInfo.Type, fieldInfo.FieldName);
fieldInfo.set(entity, value);
}
}
/// <exception cref="System.MissingMethodException"/>
/// <exception cref="java.lang.IllegalAccessException"/>
/// <exception cref="java.lang.reflect.InvocationTargetException"/>
/// <exception cref="java.lang.InstantiationException"/>
/// <exception cref="VPackException"/>
private void DeserializeFields(object entity, VPackSlice vpack)
{
IDictionary <string, VPackCache.FieldInfo> fields = this.cache.getFields(entity.GetType());
for (IEnumerator <IEntry <string, VPackSlice> > iterator = vpack.ObjectIterator(); iterator.MoveNext();)
{
IEntry <string, VPackSlice> next = iterator.Current;
VPackCache.FieldInfo fieldInfo = fields[next.Key];
if (fieldInfo != null && fieldInfo.IsDeserialize)
{
this.DeserializeField(vpack, next.Value, entity, fieldInfo);
}
}
}
/// <exception cref="java.lang.InstantiationException"/>
/// <exception cref="java.lang.IllegalAccessException"/>
/// <exception cref="System.MissingMethodException"/>
/// <exception cref="java.lang.reflect.InvocationTargetException"/>
/// <exception cref="VPackException"/>
private Array DeserializeArray(VPackSlice parent, VPackSlice vpack, Type type)
{
int length = vpack.GetLength();
Type subType = type.GetElementType();
Array value = Array.CreateInstance(subType, length);
for (int i = 0; i < length; i++)
{
value.SetValue(GetValue(parent, vpack.Get(i), subType, null), i);
}
return(value);
}
/// <exception cref="VPackValueTypeException"/>
/// <exception cref="VPackNeedAttributeTranslatorException
/// "/>
private VPackSlice SearchObjectKeyLinear(string attribute, long ieBase, int offsetsize, long n)
{
bool useTranslator = attributeTranslator != null;
VPackSlice result = new VPackSlice();
for (long index = 0; index < n; index++)
{
long offset = ieBase + index * offsetsize;
long keyIndex = NumberUtil.ToLong(this.vpack, (int)(this.start + offset), offsetsize);
VPackSlice key = new VPackSlice(this.vpack, (int)(this.start + keyIndex));
if (key.IsString)
{
if (!key.IsEqualString(attribute))
{
continue;
}
}
else
{
if (key.IsInteger)
{
// translate key
if (!useTranslator)
{
// no attribute translator
throw new VPackNeedAttributeTranslatorException();
}
if (!key.TranslateUnchecked().IsEqualString(attribute))
{
continue;
}
}
else
{
// invalid key type
result = new VPackSlice();
break;
}
}
// key is identical. now return value
result = new VPackSlice(this.vpack, key.start + key.ByteSize);
break;
}
return(result);
}
/// <exception cref="VPackParserException"/>
public virtual T Deserialize <T>(VPackSlice vpack)
{
if (typeof(T) == typeof(VPackSlice))
{
return((T)(object)vpack);
}
T entity;
try
{
entity = (T)GetValue(null, vpack, typeof(T), null);
}
catch (Exception e)
{
throw new VPackParserException(e);
}
return(entity);
}
/// <exception cref="java.lang.InstantiationException"/>
/// <exception cref="java.lang.IllegalAccessException"/>
/// <exception cref="System.MissingMethodException"/>
/// <exception cref="java.lang.reflect.InvocationTargetException"/>
/// <exception cref="VPackException"/>
private IDictionary DeserializeMap(VPackSlice parent, VPackSlice vpack, Type type, Type keyType, Type valueType)
{
var info = type.GetTypeInfo();
int length = vpack.GetLength();
IDictionary value;
if (typeof(IDictionary).GetTypeInfo().IsAssignableFrom(info) && info.IsClass)
{
value = (IDictionary)CreateInstance(type);
}
else
{
value = new Dictionary <object, object>(length);
}
if (length > 0)
{
IVPackKeyMapAdapter keyMapAdapter = this.GetKeyMapAdapter(keyType);
if (keyMapAdapter != null)
{
for (IEnumerator <IEntry <string, VPackSlice> > iterator = vpack.ObjectIterator();
iterator.MoveNext();)
{
IEntry <string, VPackSlice> next = iterator.Current;
object name = keyMapAdapter.Deserialize(next.Key);
value[name] = GetValue(vpack, next.Value, valueType, name.ToString());
}
}
else
{
for (int i = 0; i < vpack.GetLength(); i++)
{
VPackSlice entry = vpack.Get(i);
object mapKey = GetValue(parent, entry.Get(ATTR_KEY), keyType, null);
object mapValue = GetValue(parent, entry.Get(ATTR_VALUE), valueType, null);
value[mapKey] = mapValue;
}
}
}
return(value);
}
/// <exception cref="VPackException"/>
private void ParseArray(VPackSlice value, StringBuilder json, bool includeNullValues)
{
json.Append(ARRAY_OPEN);
int added = 0;
for (int i = 0; i < value.GetLength(); i++)
{
VPackSlice valueAt = value.Get(i);
if (!valueAt.IsNull || includeNullValues)
{
if (added++ > 0)
{
json.Append(SEPARATOR);
}
this.Parse(value, null, valueAt, json, includeNullValues);
}
}
json.Append(ARRAY_CLOSE);
}
/// <exception cref="VPackException"/>
private void ParseObject(VPackSlice value, StringBuilder json, bool includeNullValues)
{
json.Append(OBJECT_OPEN);
int added = 0;
for (IEnumerator <IEntry <string, VPackSlice> > iterator = value.ObjectIterator(); iterator.MoveNext();)
{
IEntry <string, VPackSlice> next = iterator.Current;
VPackSlice nextValue = next.Value;
if (!nextValue.IsNull || includeNullValues)
{
if (added++ > 0)
{
json.Append(SEPARATOR);
}
this.Parse(value, next.Key, nextValue, json, includeNullValues);
}
}
json.Append(OBJECT_CLOSE);
}
/// <exception cref="java.lang.InstantiationException"/>
/// <exception cref="java.lang.IllegalAccessException"/>
/// <exception cref="System.MissingMethodException"/>
/// <exception cref="java.lang.reflect.InvocationTargetException"/>
/// <exception cref="VPackException"/>
private object DeserializeObject(VPackSlice parent, VPackSlice vpack, Type type, string fieldName)
{
object entity;
IVPackDeserializer deserializer = this.GetDeserializer(fieldName, type);
if (deserializer != null)
{
entity = deserializer.Deserialize(parent, vpack, this.deserializationContext);
}
else
{
if (type == typeof(object))
{
entity = GetValue(parent, vpack, this.getType(vpack), fieldName);
}
else
{
entity = CreateInstance(type);
this.DeserializeFields(entity, vpack);
}
}
return(entity);
}
/// <exception cref="VPackException"/>
private void Parse(
VPackSlice parent,
string attribute,
VPackSlice value,
StringBuilder json,
bool includeNullValues)
{
IVPackJsonDeserializer deserializer = null;
if (attribute != null)
{
AppendField(attribute, json);
deserializer = this.GetDeserializer(attribute, value.Type());
}
if (deserializer != null)
{
deserializer.deserialize(parent, attribute, value, json);
}
else
{
if (value.IsObject)
{
this.ParseObject(value, json, includeNullValues);
}
else
{
if (value.IsArray)
{
this.ParseArray(value, json, includeNullValues);
}
else
{
if (value.IsBoolean)
{
json.Append(value.AsBoolean);
}
else
{
if (value.IsString)
{
json.Append(JsonConvert.ToString(value.AsString));
}
else
{
if (value.IsNumber)
{
json.Append(value.AsNumber);
}
else
{
if (value.IsNull)
{
json.Append(NULL);
}
else
{
json.Append(JsonConvert.ToString(NON_REPRESENTABLE_TYPE));
}
}
}
}
}
}
}
}
/// <exception cref="VPackValueTypeException"/>
protected SliceIterator(VPackSlice slice)
{
this.slice = slice;
this.size = slice.GetLength();
this.position = 0;
}
/// <exception cref="VPackBuilderException"/>
private VPackBuilder AddInternal <T>(string attribute, IAppender <T> appender, T value)
{
if (attribute != null)
{
bool haveReported = false;
if (this.stack.Count > 0)
{
byte head = this.Head();
if (head != 0x0b && head != 0x14)
{
throw new VPackBuilderNeedOpenObjectException();
}
if (this.keyWritten)
{
throw new VPackBuilderKeyAlreadyWrittenException();
}
this.ReportAdd();
haveReported = true;
}
try
{
if (VPackSlice.attributeTranslator != null)
{
VPackSlice translate = VPackSlice.attributeTranslator.Translate(attribute);
if (translate != null)
{
byte[] trValue = translate.GetRawVPack();
this.EnsureCapacity(this.size + trValue.Length);
for (int i = 0; i < trValue.Length; i++)
{
this.AddUnchecked(trValue[i]);
}
this.keyWritten = true;
if (value == null)
{
this.AppendNull();
}
else
{
appender.Append(this, value);
}
return(this);
}
}
// otherwise fall through to regular behavior
STRING.Append(this, attribute);
this.keyWritten = true;
if (value == null)
{
this.AppendNull();
}
else
{
appender.Append(this, value);
}
}
catch (VPackBuilderException e)
{
// clean up in case of an exception
if (haveReported)
{
this.CleanupAdd();
}
throw;
}
finally
{
this.keyWritten = false;
}
}
else
{
this.AddInternal(appender, value);
}
return(this);
}
/// <returns>the offset for the nth member from an Array or Object type</returns>
private int GetNthOffset(int index)
{
int offset;
byte head = Head;
if (head == 0x13 || head == 0x14)
{
// compact Array or Object
offset = this.GetNthOffsetFromCompact(index);
}
else
{
if (head == 0x01 || head == 0x0a)
{
// special case: empty Array or empty Object
throw new IndexOutOfRangeException();
}
long n;
int offsetsize = ObjectArrayUtil.GetOffsetSize(head);
long end = NumberUtil.ToLong(this.vpack, this.start + 1, offsetsize);
int dataOffset = this.FindDataOffset();
if ((sbyte)head <= 0x05)
{
// array with no offset table or length
VPackSlice first = new VPackSlice(this.vpack, this.start + dataOffset);
n = (end - dataOffset) / first.ByteSize;
}
else
{
if (offsetsize < 8)
{
n = NumberUtil.ToLong(this.vpack, this.start + 1 + offsetsize, offsetsize);
}
else
{
n = NumberUtil.ToLong(this.vpack, (int)(this.start + end - offsetsize), offsetsize);
}
}
if (index >= n)
{
throw new IndexOutOfRangeException();
}
if ((sbyte)head <= 0x05 || n == 1)
{
// no index table, but all array items have the same length
// or only one item is in the array
// now fetch first item and determine its length
if (dataOffset == 0)
{
dataOffset = this.FindDataOffset();
}
offset = dataOffset + index * new VPackSlice(this.vpack, this.start + dataOffset).ByteSize;
}
else
{
long ieBase = end - n * offsetsize + index * offsetsize - (offsetsize == 8 ? 8 : 0);
offset = (int)NumberUtil.ToLong(this.vpack, (int)(this.start + ieBase), offsetsize);
}
}
return(offset);
}
/// <exception cref="VPackException"/> public abstract T Deserialize(VPackSlice parent, VPackSlice vpack, VPackDeserializationContext context);
/// <exception cref="VPackException"/>
public virtual string ToJson(VPackSlice vpack)
{
return(this.ToJson(vpack, false));
}
/// <summary>translates an integer key into a string, without checks</summary>
internal virtual VPackSlice TranslateUnchecked()
{
VPackSlice result = attributeTranslator.Translate(this.AsInt);
return(result != null ? result : new VPackSlice());
}
private Type getType(VPackSlice vpack)
{
Type type;
if (vpack.IsObject)
{
type = typeof(IDictionary);
}
else
{
if (vpack.IsString)
{
type = typeof(string);
}
else
{
if (vpack.IsBoolean)
{
type = typeof(bool);
}
else
{
if (vpack.IsArray)
{
type = typeof(ICollection);
}
else
{
if (vpack.IsDate)
{
type = typeof(DateTime);
}
else
{
if (vpack.IsDouble)
{
type = typeof(double);
}
else
{
if (vpack.IsNumber)
{
type = typeof(decimal);
}
else
{
if (vpack.IsCustom)
{
type = typeof(string);
}
else
{
type = null;
}
}
}
}
}
}
}
}
return(type);
}
/// <exception cref="VPackBuilderException"/>
public virtual VPackBuilder Add(string attribute, VPackSlice value)
{
return(this.AddInternal(attribute, VPACK, value));
}
/// <exception cref="VPackParserException"/>
public T Deserialize <T>(VPackSlice vpack)
{
return(this._enclosing.Deserialize <T>(vpack));
}
object IVPackDeserializer.Deserialize(VPackSlice parent, VPackSlice vpack, VPackDeserializationContext context)
{
return(Deserialize(parent, vpack, context));
}
/// <exception cref="VPackException"/>
public virtual VPackSlice Get(string attribute)
{
if (!this.IsObject)
{
throw new VPackValueTypeException(ValueType.OBJECT);
}
byte head = Head;
VPackSlice result = new VPackSlice();
if (head == 0x0a)
{
// special case, empty object
result = new VPackSlice();
}
else
{
if (head == 0x14)
{
// compact Object
result = this.GetFromCompactObject(attribute);
}
else
{
int offsetsize = ObjectArrayUtil.GetOffsetSize(head);
long end = NumberUtil.ToLong(this.vpack, this.start + 1, offsetsize);
long n;
if (offsetsize < 8)
{
n = NumberUtil.ToLong(this.vpack, this.start + 1 + offsetsize, offsetsize);
}
else
{
n = NumberUtil.ToLong(this.vpack, (int)(this.start + end - offsetsize), offsetsize);
}
if (n == 1)
{
// Just one attribute, there is no index table!
VPackSlice key = new VPackSlice(this.vpack, this.start + this.FindDataOffset());
if (key.IsString)
{
if (key.IsEqualString(attribute))
{
result = new VPackSlice(this.vpack, key.start + key.ByteSize);
}
else
{
// no match
result = new VPackSlice();
}
}
else
{
if (key.IsInteger)
{
// translate key
if (attributeTranslator == null)
{
throw new VPackNeedAttributeTranslatorException();
}
if (key.TranslateUnchecked().IsEqualString(attribute))
{
result = new VPackSlice(this.vpack, key.start + key.ByteSize);
}
else
{
// no match
result = new VPackSlice();
}
}
else
{
// no match
result = new VPackSlice();
}
}
}
else
{
long ieBase = end - n * offsetsize - (offsetsize == 8 ? 8 : 0);
// only use binary search for attributes if we have at least
// this many entries
// otherwise we'll always use the linear search
long sortedSearchEntriesThreshold = 4;
bool sorted = head >= 0x0b && (sbyte)head <= 0x0e;
if (sorted && n >= sortedSearchEntriesThreshold)
{
// This means, we have to handle the special case n == 1
// only in the linear search!
result = this.SearchObjectKeyBinary(attribute, ieBase, offsetsize, n);
}
else
{
result = this.SearchObjectKeyLinear(attribute, ieBase, offsetsize, n);
}
}
}
}
return(result);
}
/// <exception cref="java.lang.InstantiationException"/>
/// <exception cref="java.lang.IllegalAccessException"/>
/// <exception cref="System.MissingMethodException"/>
/// <exception cref="java.lang.reflect.InvocationTargetException"/>
/// <exception cref="VPackException"/>
private object GetValue(VPackSlice parent, VPackSlice vpack, Type type, string fieldName)
{
object value;
Type tmpType;
if (vpack.IsNull)
{
value = null;
}
else
{
IVPackDeserializer deserializer = this.GetDeserializer(fieldName, type);
if (deserializer != null)
{
value = deserializer.Deserialize(parent, vpack, this.deserializationContext);
}
else
{
var info = type.GetTypeInfo();
if (type.IsGenericParameter)
{
if (!type.IsConstructedGenericType)
{
throw new TypeLoadException(string.Format("Creating open generic types are not supported. ({0})", type));
}
Type[] gens;
if (typeof(IDictionary <,>).GetTypeInfo().IsAssignableFrom(info))
{
gens = type.GetTargetType(typeof(IDictionary <,>)).GenericTypeArguments;
value = DeserializeMap(parent, vpack, type, gens[0], gens[1]);
}
else if (typeof(IEnumerable <>).GetTypeInfo().IsAssignableFrom(info))
{
gens = type.GetTargetType(typeof(IEnumerable <>)).GenericTypeArguments;
value = DeserializeCollection(parent, vpack, type, gens[0]);
}
else
{
value = DeserializeObject(parent, vpack, type, fieldName);
}
}
else
{
Type rawType = typeof(object);
if (typeof(IDictionary).GetTypeInfo().IsAssignableFrom(info))
{
value = DeserializeMap(parent, vpack, type, rawType, rawType);
}
else if (typeof(IEnumerable).GetTypeInfo().IsAssignableFrom(info))
{
value = DeserializeCollection(parent, vpack, type, rawType);
}
else if (info.IsArray)
{
value = DeserializeArray(parent, vpack, type);
}
else if (info.IsEnum)
{
value = Enum.Parse(type, vpack.AsString);
}
else
{
value = DeserializeObject(parent, vpack, type, fieldName);
}
}
}
}
return(value);
}
/// <exception cref="VPackBuilderException"/>
public virtual VPackBuilder Add(VPackSlice value)
{
return(this.AddInternal(VPACK, value));
}
/// <exception cref="VPackValueTypeException"/>
/// <exception cref="VPackNeedAttributeTranslatorException
/// "/>
private VPackSlice SearchObjectKeyBinary(string attribute, long ieBase, int offsetsize, long n)
{
bool useTranslator = attributeTranslator != null;
VPackSlice result;
long l = 0;
long r = n - 1;
for (;;)
{
// midpoint
long index = l + (r - l) / 2;
long offset = ieBase + index * offsetsize;
long keyIndex = NumberUtil.ToLong(this.vpack, (int)(this.start + offset), offsetsize);
VPackSlice key = new VPackSlice(this.vpack, (int)(this.start + keyIndex));
int res = 0;
if (key.IsString)
{
res = key.CompareString(attribute);
}
else
{
if (key.IsInteger)
{
// translate key
if (!useTranslator)
{
// no attribute translator
throw new VPackNeedAttributeTranslatorException();
}
res = key.TranslateUnchecked().CompareString(attribute);
}
else
{
// invalid key
result = new VPackSlice();
break;
}
}
if (res == 0)
{
// found
result = new VPackSlice(this.vpack, key.start + key.ByteSize);
break;
}
if (res > 0)
{
if (index == 0)
{
result = new VPackSlice();
break;
}
r = index - 1;
}
else
{
l = index + 1;
}
if (r < l)
{
result = new VPackSlice();
break;
}
}
return(result);
}
