internal AttributeWrapper(GumboAttribute attribute, ElementWrapper parent, int index,
Action <string, ElementWrapper> addElementWithId)
{
if (parent == null)
{
throw new ArgumentNullException("parent");
}
if (addElementWithId == null)
{
throw new ArgumentNullException("addElementWithId");
}
Parent = parent;
Index = index;
Name = NativeUtf8Helper.StringFromNativeUtf8(attribute.name);
Value = NativeUtf8Helper.StringFromNativeUtf8(attribute.value);
OriginalName = NativeUtf8Helper.StringFromNativeUtf8(attribute.original_name.data, (int)attribute.original_name.length);
OriginalValue = NativeUtf8Helper.StringFromNativeUtf8(attribute.original_value.data, (int)attribute.original_value.length);
NameStart = attribute.name_start;
NameEnd = attribute.name_end;
ValueStart = attribute.value_start;
ValueEnd = attribute.value_end;
Namespace = attribute.attr_namespace;
if (String.Equals(this.Name, "id", StringComparison.OrdinalIgnoreCase))
{
addElementWithId(this.Value, parent);
}
}
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));
}
internal DocumentWrapper(GumboDocumentNode node, WrapperFactory factory)
: base(node, null)
{
_Children = factory.CreateDisposalAwareLazy(() =>
ImmutableArray.CreateRange(node.GetChildren().OrderBy(x => x.index_within_parent).Select(x => factory.CreateNodeWrapper(x, this))));
HasDocType = node.document.has_doctype;
Name = NativeUtf8Helper.StringFromNativeUtf8(node.document.name);
PublicIdentifier = NativeUtf8Helper.StringFromNativeUtf8(node.document.public_identifier);
SystemIdentifier = NativeUtf8Helper.StringFromNativeUtf8(node.document.system_identifier);
DocTypeQuirksMode = node.document.doc_type_quirks_mode;
}
internal DocumentWrapper(GumboDocumentNode node, DisposalAwareLazyFactory lazyFactory,
Action <string, ElementWrapper> addElementWithId)
: base(node, null)
{
_Children = lazyFactory.Create <IEnumerable <ElementWrapper> >(() =>
{
return(node.GetChildren().Select(x => new ElementWrapper((GumboElementNode)x, this,
lazyFactory, addElementWithId)).ToList().AsReadOnly());
});
HasDocType = node.document.has_doctype;
Name = NativeUtf8Helper.StringFromNativeUtf8(node.document.name);
PublicIdentifier = NativeUtf8Helper.StringFromNativeUtf8(node.document.public_identifier);
SystemIdentifier = NativeUtf8Helper.StringFromNativeUtf8(node.document.system_identifier);
DocTypeQuirksMode = node.document.doc_type_quirks_mode;
}
internal AttributeWrapper(GumboAttribute attribute, ElementWrapper parent)
{
if (parent == null)
{
throw new ArgumentNullException(nameof(parent));
}
Parent = parent;
Name = NativeUtf8Helper.StringFromNativeUtf8(attribute.name);
Value = NativeUtf8Helper.StringFromNativeUtf8(attribute.value);
OriginalName = NativeUtf8Helper.StringFromNativeUtf8(attribute.original_name.data, (int)attribute.original_name.length);
OriginalValue = NativeUtf8Helper.StringFromNativeUtf8(attribute.original_value.data, (int)attribute.original_value.length);
NameStart = attribute.name_start;
NameEnd = attribute.name_end;
ValueStart = attribute.value_start;
ValueEnd = attribute.value_end;
Namespace = attribute.attr_namespace;
}
private static XNode CreateXNode(GumboNode node)
{
switch (node.type)
{
case GumboNodeType.GUMBO_NODE_DOCUMENT:
var docNode = (GumboDocumentNode)node;
return(new XDocument(docNode.GetChildren().Select(x => CreateXNode(x))));
case GumboNodeType.GUMBO_NODE_ELEMENT:
var elementNode = (GumboElementNode)node;
string elementName = GetName(elementNode.element.tag);
var attributes = elementNode.GetAttributes().Select(x => new XAttribute(
NativeUtf8Helper.StringFromNativeUtf8(x.name),
NativeUtf8Helper.StringFromNativeUtf8(x.value)));
var children = elementNode.GetChildren().Select(x => CreateXNode(x));
return(new XElement(elementName, attributes, children));
case GumboNodeType.GUMBO_NODE_TEXT:
var textNode = (GumboTextNode)node;
return(new XText(NativeUtf8Helper.StringFromNativeUtf8(textNode.text.text)));
case GumboNodeType.GUMBO_NODE_CDATA:
var cDataNode = (GumboTextNode)node;
return(new XCData(NativeUtf8Helper.StringFromNativeUtf8(cDataNode.text.text)));
case GumboNodeType.GUMBO_NODE_COMMENT:
var commentNode = (GumboTextNode)node;
return(new XComment(NativeUtf8Helper.StringFromNativeUtf8(commentNode.text.text)));
case GumboNodeType.GUMBO_NODE_WHITESPACE:
var spaceNode = (GumboTextNode)node;
return(new XText(NativeUtf8Helper.StringFromNativeUtf8(spaceNode.text.text)));
default:
throw new NotSupportedException(String.Format("Unknown node type '{0}'", (int)node.type));
}
}
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 static string MarshalToString(this GumboStringPiece stringPiece)
{
return(NativeUtf8Helper.StringFromNativeUtf8(stringPiece.data, (int)stringPiece.length));
}
