/// <summary>
/// 初始化需要扫描的字段集合
/// </summary>
/// <param name="scanner">对象扫描</param>
internal void CreateScanFiled(ReflectionTypeScanner scanner)
{
BaseType = (ReflectionObjectType)scanner.GetObjectType(Type.BaseType);
List <KeyValue <FieldInfo, ReflectionType> > fieldList = null;
foreach (FieldInfo field in Type.GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly))
{
Type fieldType = field.FieldType;
if (!fieldType.IsPointer && fieldType != typeof(System.Reflection.Pointer))
{
ReflectionType objectType = scanner.GetObjectType(fieldType);
if (objectType.IsScan != 0 || IsScanDerived(fieldType))
{
if (fieldList == null)
{
fieldList = new List <KeyValue <FieldInfo, ReflectionType> >();
}
fieldList.Add(new KeyValue <FieldInfo, ReflectionType>(field, objectType));
}
}
}
if (fieldList != null)
{
ScanFields = fieldList.ToArray();
}
else if (BaseType.IsScan == 0)
{
IsScan = 0;
}
}
/// <summary>
/// 获取对象类型
/// </summary>
/// <param name="type"></param>
/// <returns>对象类型</returns>
internal ReflectionType GetObjectType(Type type)
{
if (type.IsPrimitive || type.IsEnum || type.IsPointer)
{
return(ReflectionObjectType.NullType);
}
if (type.IsInterface)
{
return(ReflectionObjectType.InterfaceType);
}
if (type.IsClass || type.IsValueType)
{
ReflectionType objectType;
if (!ObjectTypeCache.TryGetValue(type, out objectType))
{
if (type.IsArray)
{
ReflectionArrayType reflectionType = new ReflectionArrayType(type);
ObjectTypeCache.Add(type, objectType = reflectionType);
reflectionType.GetElementType(this);
}
else
{
ReflectionObjectType reflectionType = new ReflectionObjectType(type);
ObjectTypeCache.Add(type, objectType = reflectionType);
reflectionType.CreateScanFiled(this);
}
}
return(objectType);
}
return(ReflectionObjectType.NullType);
}
/// <summary>
/// 反射模式对象扫描
/// </summary>
/// <param name="value">扫描的对象</param>
/// <param name="objectType">对象类型</param>
/// <param name="isArray">对象是否数组元素，数组元素不统计根静态字段</param>
internal ReflectionObjectScanner(object value, ReflectionObjectType objectType, bool isArray)
{
this.value = value;
this.objectType = objectType;
this.isArray = isArray;
index = 0;
}
/// <summary>
/// 读取下一个数据
/// </summary>
/// <param name="scanner"></param>
internal void Next(ref ReflectionScanner scanner)
{
object value = this.value;
bool isArray = this.isArray;
int isEndIndex = 0;
do
{
KeyValue <FieldInfo, ReflectionType> field = this.objectType.ScanFields[index++];
if (index == this.objectType.ScanFields.Length)
{
--scanner.Objects.Length;
if (this.objectType.BaseType.IsScan != 0)
{
this.objectType.BaseType.Append(ref scanner, value, isArray);
}
isEndIndex = 1;
}
object fieldValue = field.Key.GetValue(value);
if (fieldValue != null)
{
ReflectionType objectType = field.Value;
Type fieldType = fieldValue.GetType();
if (fieldType != objectType.Type)
{
objectType = scanner.Scanner.GetObjectType(fieldType);
}
if (objectType.IsScan != 0)
{
if (fieldType.IsClass)
{
if (scanner.AddObject(fieldValue))
{
if (!isArray)
{
objectType.Add(scanner.FieldInfo, scanner.Scanner);
}
if (objectType.Append(ref scanner, fieldValue, false) == 0)
{
return;
}
}
else if (scanner.IsLimitExceeded)
{
return;
}
}
else if (objectType.Append(ref scanner, fieldValue, false) == 0)
{
return;
}
}
}
}while (isEndIndex == 0);
}
/// <summary>
/// 对象类型
/// </summary>
/// <param name="type">类型</param>
internal ReflectionObjectType(Type type) : base(type)
{
IsScan = 1;
ScanFields = EmptyArray <KeyValue <FieldInfo, ReflectionType> > .Array;
BaseType = NullType;
}
/// <summary>
/// 接口类型
/// </summary>
/// <param name="baseType"></param>
private ReflectionObjectType(ReflectionObjectType baseType) : base(typeof(object))
{
BaseType = baseType;
ScanFields = EmptyArray <KeyValue <FieldInfo, ReflectionType> > .Array;
IsScan = 1;
}
/// <summary>
/// 空对象类型
/// </summary>
private ReflectionObjectType() : base(typeof(object))
{
BaseType = this;
ScanFields = EmptyArray <KeyValue <FieldInfo, ReflectionType> > .Array;
}
static ReflectionObjectType()
{
InterfaceType = new ReflectionObjectType(NullType = new ReflectionObjectType());
}