internal ElementWrapper(GumboElementNode node, NodeWrapper parent, WrapperFactory factory)
: base(node, parent)
{
_Children = factory.CreateDisposalAwareLazy(() =>
ImmutableArray.CreateRange(node.GetChildren().OrderBy(x => x.index_within_parent).Select(x => factory.CreateNodeWrapper(x, this))));
_Attributes = factory.CreateDisposalAwareLazy(() =>
ImmutableArray.CreateRange(node.GetAttributes().Select(x => factory.CreateAttributeWrapper(x, this))));
_Value = factory.CreateDisposalAwareLazy(() => string.Concat(Children.Select(x => x is ElementWrapper
? ((ElementWrapper)x).Value
: ((TextWrapper)x).Value)));
StartPosition = node.element.start_pos;
EndPosition = node.element.end_pos;
Tag = node.element.tag;
TagNamespace = node.element.tag_namespace;
OriginalTag = NativeUtf8Helper.StringFromNativeUtf8(
node.element.original_tag.data, (int)node.element.original_tag.length);
OriginalTagName = GetTagNameFromOriginalTag(node.element);
OriginalEndTag = NativeUtf8Helper.StringFromNativeUtf8(
node.element.original_end_tag.data, (int)node.element.original_end_tag.length);
NormalizedTagName = NativeUtf8Helper.StringFromNativeUtf8(
NativeMethods.gumbo_normalized_tagname(node.element.tag));
}
public NodeWrapper(GumboNode node, NodeWrapper parent)
{
Type = node.type;
Index = (int)node.index_within_parent;
ParseFlags = node.parse_flags;
Parent = parent;
}
public NodeWrapper CreateNodeWrapper(GumboNode node, NodeWrapper parent = null)
{
switch (node.type)
{
case GumboNodeType.GUMBO_NODE_DOCUMENT:
return(new DocumentWrapper((GumboDocumentNode)node, this));
case GumboNodeType.GUMBO_NODE_ELEMENT:
case GumboNodeType.GUMBO_NODE_TEMPLATE:
return(new ElementWrapper((GumboElementNode)node, parent, this));
case GumboNodeType.GUMBO_NODE_TEXT:
case GumboNodeType.GUMBO_NODE_CDATA:
case GumboNodeType.GUMBO_NODE_COMMENT:
case GumboNodeType.GUMBO_NODE_WHITESPACE:
return(new TextWrapper((GumboTextNode)node, parent));
default:
throw new NotImplementedException($"Node type '{node.type}' is not implemented");
}
}
internal ElementWrapper(GumboElementNode node, NodeWrapper parent, DisposalAwareLazyFactory lazyFactory,
Action<string, ElementWrapper> addElementWithId)
: base(node, parent)
{
_Children = lazyFactory.Create<IEnumerable<NodeWrapper>>(() =>
{
return node.GetChildren().Select(x => x is GumboElementNode
? (NodeWrapper)new ElementWrapper((GumboElementNode)x, this, lazyFactory, addElementWithId)
: (NodeWrapper)new TextWrapper((GumboTextNode)x, this)).ToList().AsReadOnly();
});
_Attributes = lazyFactory.Create<IEnumerable<AttributeWrapper>>(() =>
{
return node.GetAttributes().Select((x, i) =>
new AttributeWrapper(x, this, i, addElementWithId)).ToList();
});
_Value = lazyFactory.Create<string>(() =>
{
return String.Concat(this.Children.Select(x => x is ElementWrapper
? ((ElementWrapper)x).Value
: ((TextWrapper)x).Text));
});
StartPosition = node.element.start_pos;
EndPosition = node.element.end_pos;
Tag = node.element.tag;
TagNamespace = node.element.tag_namespace;
OriginalTag = NativeUtf8Helper.StringFromNativeUtf8(
node.element.original_tag.data, (int)node.element.original_tag.length);
OriginalTagName = GetTagNameFromOriginalTag(node.element);
OriginalEndTag = NativeUtf8Helper.StringFromNativeUtf8(
node.element.original_end_tag.data, (int)node.element.original_end_tag.length);
NormalizedTagName = NativeUtf8Helper.StringFromNativeUtf8(
NativeMethods.gumbo_normalized_tagname(node.element.tag));
}
internal ElementWrapper(GumboElementNode node, NodeWrapper parent, DisposalAwareLazyFactory lazyFactory,
Action <string, ElementWrapper> addElementWithId)
: base(node, parent)
{
_Children = lazyFactory.Create <IEnumerable <NodeWrapper> >(() =>
{
return(node.GetChildren().Select(x => x is GumboElementNode
? (NodeWrapper) new ElementWrapper((GumboElementNode)x, this, lazyFactory, addElementWithId)
: (NodeWrapper) new TextWrapper((GumboTextNode)x, this)).ToList().AsReadOnly());
});
_Attributes = lazyFactory.Create <IEnumerable <AttributeWrapper> >(() =>
{
return(node.GetAttributes().Select((x, i) =>
new AttributeWrapper(x, this, i, addElementWithId)).ToList());
});
_Value = lazyFactory.Create <string>(() =>
{
return(String.Concat(this.Children.Select(x => x is ElementWrapper
? ((ElementWrapper)x).Value
: ((TextWrapper)x).Text)));
});
StartPosition = node.element.start_pos;
EndPosition = node.element.end_pos;
Tag = node.element.tag;
TagNamespace = node.element.tag_namespace;
OriginalTag = NativeUtf8Helper.StringFromNativeUtf8(
node.element.original_tag.data, (int)node.element.original_tag.length);
OriginalTagName = GetTagNameFromOriginalTag(node.element);
OriginalEndTag = NativeUtf8Helper.StringFromNativeUtf8(
node.element.original_end_tag.data, (int)node.element.original_end_tag.length);
NormalizedTagName = NativeUtf8Helper.StringFromNativeUtf8(
NativeMethods.gumbo_normalized_tagname(node.element.tag));
}
internal TextWrapper(GumboTextNode node, NodeWrapper parent)
: base(node, parent)
{
Text = NativeUtf8Helper.StringFromNativeUtf8(node.text.text);
StartPosition = node.text.start_pos;
}
public NodeWrapper(GumboNode node, NodeWrapper parent)
{
Type = node.type;
ParseFlags = node.parse_flags;
Parent = parent;
}
internal TextWrapper(GumboTextNode node, NodeWrapper parent)
: base(node, parent)
{
Text = NativeUtf8Helper.StringFromNativeUtf8(node.text.text);
StartPosition = node.text.start_pos;
}
public GumboNavigator(GumboWrapper gumbo, NodeWrapper node)
{
_Gumbo = gumbo;
_State = new NavigatorState(node);
}
public NodeWrapper(GumboNode node, NodeWrapper parent)
{
Type = node.type;
ParseFlags = node.parse_flags;
Parent = parent;
}