public ValueCrawler(object value, Type type, ICrawlToken parentToken, ObjectCrawler objectCrawler)
{
_value = value;
_type = type;
_parentToken = parentToken;
_objectCrawler = objectCrawler;
}
internal void Crawl(Type type, ICrawlToken token, object value)
{
if (_crawledItems.Contains(value))
{
return;
}
_crawledItems.Add(value);
CrawlingType crawlingType = Configuration.CrawlingTypeDetection.DetectType(type, token);
ICrawler crawler;
switch (crawlingType)
{
case CrawlingType.Reference:
crawler = new ReferenceCrawler(value, type, token, this);
break;
case CrawlingType.Value:
crawler = new ValueCrawler(value, type, token, this);
break;
case CrawlingType.Enumerable:
crawler = new EnumerableCrawler(value, type, token, this);
break;
case CrawlingType.Dictionary:
crawler = new DictionaryCrawler(value, type, token, this);
break;
default:
throw new ArgumentOutOfRangeException();
}
crawler.Crawl();
}
public FieldCrawler(object declaringValue, FieldInfo field, ICrawlToken parentToken, ObjectCrawler objectCrawler)
{
_declaringValue = declaringValue;
_field = field;
_parentToken = parentToken;
_objectCrawler = objectCrawler;
}
public PropertyCrawler(object declaringValue, PropertyInfo property, ICrawlToken parentToken, ObjectCrawler objectCrawler)
{
_declaringValue = declaringValue;
_property = property;
_parentToken = parentToken;
_objectCrawler = objectCrawler;
}
internal void AcceptVisitors(ICrawlToken token)
{
foreach (IObjectGraphVisitor visitor in _visitors)
{
token.Accept(visitor);
}
}
public virtual CrawlingType DetectType(Type type, ICrawlToken token)
{
if (IsValue(type))
{
return(CrawlingType.Value);
}
if (typeof(IDictionary).IsAssignableFrom(type))
{
return(CrawlingType.Dictionary);
}
if (typeof(IEnumerable).IsAssignableFrom(type))
{
return(CrawlingType.Enumerable);
}
return(CrawlingType.Reference);
}
protected CrawlToken(ICrawlToken parent)
{
Parent = parent;
}
public EnumerableToken(ICrawlToken parent, Type type, object value) : base(parent)
{
Type = type;
_value = value;
}
public ReferenceToken(ICrawlToken parent, Type type, object value) : base(parent)
{
Type = type;
_value = value;
}
public FieldToken(ICrawlToken parent, FieldInfo field, Func <object> valueResolver, Action <object> valueApplier) : base(parent)
{
_valueResolver = valueResolver;
_valueApplier = valueApplier;
Field = field;
}
public virtual IEnumerable <PropertyInfo> GetProperties(Type type, ICrawlToken crawlToken)
{
return(type.GetProperties());
}
public virtual IEnumerable <FieldInfo> GetFields(Type type, ICrawlToken crawlToken)
{
return(type.GetFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance));
}
public DictionaryToken(ICrawlToken parent, Type type, object value) : base(parent)
{
Type = type;
_value = value;
}
public PropertyToken(ICrawlToken parent, PropertyInfo property, Func <object> valueResolver, Action <object> valueApplier) : base(parent)
{
_valueResolver = valueResolver;
_valueApplier = valueApplier;
Property = property;
}
