/// <summary>
/// Parses the token stream and gets the node.
/// </summary>
public DothtmlRootNode Parse(List <DothtmlToken> tokens)
{
Root = null;
Tokens = tokens;
CurrentIndex = 0;
ElementHierarchy = new Stack <DothtmlNodeWithContent>();
// read file
var root = new DothtmlRootNode();
root.Tokens.Add(Tokens);
ElementHierarchy.Push(root);
// read content
var doNotAppend = false;
while (Peek() != null)
{
if (Peek().Type == DothtmlTokenType.DirectiveStart)
{
// directive
root.Directives.Add(ReadDirective());
doNotAppend = true;
}
else if (Peek().Type == DothtmlTokenType.OpenTag)
{
// element - check element hierarchy
var element = ReadElement();
if (ElementHierarchy.Any())
{
element.ParentNode = ElementHierarchy.Peek() as DothtmlElementNode;
}
if (!element.IsSelfClosingTag)
{
if (!element.IsClosingTag)
{
// open tag
CurrentElementContent.Add(element);
ElementHierarchy.Push(element);
}
else
{
// close tag
if (ElementHierarchy.Count <= 1)
{
element.AddWarning($"The closing tag '</{element.FullTagName}>' doesn't have a matching opening tag!");
CurrentElementContent.Add(element);
}
else
{
var beginTag = (DothtmlElementNode)ElementHierarchy.Peek();
var beginTagName = beginTag.FullTagName;
if (!beginTagName.Equals(element.FullTagName, StringComparison.OrdinalIgnoreCase))
{
element.AddWarning($"The closing tag '</{element.FullTagName}>' doesn't have a matching opening tag!");
ResolveWrongClosingTag(element);
beginTag = ElementHierarchy.Peek() as DothtmlElementNode;
if (beginTag != null && beginTagName != beginTag.FullTagName)
{
beginTag.CorrespondingEndTag = element;
ElementHierarchy.Pop();
}
else
{
CurrentElementContent.Add(element);
}
}
else
{
ElementHierarchy.Pop();
beginTag.CorrespondingEndTag = element;
}
}
}
}
else
{
// self closing tag
CurrentElementContent.Add(element);
}
}
else if (Peek().Type == DothtmlTokenType.OpenBinding)
{
// binding
CurrentElementContent.Add(ReadBinding());
}
else if (Peek().Type == DothtmlTokenType.OpenCData)
{
CurrentElementContent.Add(ReadCData());
}
else if (Peek().Type == DothtmlTokenType.OpenComment)
{
CurrentElementContent.Add(ReadComment());
}
else if (Peek().Type == DothtmlTokenType.OpenServerComment)
{
// skip server-side comment
CurrentElementContent.Add(ReadServerComment());
}
else
{
// text
if (!doNotAppend &&
CurrentElementContent.Count > 0 &&
CurrentElementContent[CurrentElementContent.Count - 1].GetType() == typeof(DothtmlLiteralNode) &&
!(CurrentElementContent[CurrentElementContent.Count - 1] is DotHtmlCommentNode))
{
// append to the previous literal
var lastLiteral = (DothtmlLiteralNode)CurrentElementContent[CurrentElementContent.Count - 1];
if (lastLiteral.Escape)
{
CurrentElementContent.Add(new DothtmlLiteralNode()
{
Tokens = { PeekPart() }
});
}
else
{
lastLiteral.Tokens.Add(PeekPart());
}
}
else
{
CurrentElementContent.Add(new DothtmlLiteralNode()
{
Tokens = { PeekPart() }
});
}
Read();
doNotAppend = false;
}
}
// check element hierarchy
if (ElementHierarchy.Count > 1)
{
ElementHierarchy.Peek().AddError($"Unexpected end of file! The tag '<{ElementHierarchy.Peek().CastTo<DothtmlElementNode>().TagName}>' was not closed!");
}
ResolveParents(root);
Root = root;
return(root);
}
private void ResolveParents(DothtmlRootNode root)
{
var parentResolver = new ParentResolvingVisitor();
root.Accept(parentResolver);
}
public DothtmlRootNode Parse(List <DothtmlToken> tokens)
{
Root = null;
Tokens = tokens;
CurrentIndex = 0;
ElementHierarchy.Clear();
// read file
var root = new DothtmlRootNode();
root.Tokens.Add(Tokens);
ElementHierarchy.Push(root);
// read content
var doNotAppend = false;
while (Peek() is DothtmlToken token)
{
if (token.Type == DothtmlTokenType.DirectiveStart)
{
// directive
root.Directives.Add(ReadDirective());
doNotAppend = true;
}
else if (token.Type == DothtmlTokenType.OpenTag)
{
// element - check element hierarchy
var element = ReadElement();
if (ElementHierarchy.Any())
{
element.ParentNode = ElementHierarchy.Peek() as DothtmlElementNode;
}
if (!element.IsSelfClosingTag)
{
if (!element.IsClosingTag)
{
// open tag
CurrentElementContent.Add(element);
ElementHierarchy.Push(element);
}
else
{
// close tag
if (ElementHierarchy.Count <= 1)
{
element.AddWarning($"The closing tag '</{element.FullTagName}>' doesn't have a matching opening tag!");
CurrentElementContent.Add(element);
}
else
{
var beginTag = (DothtmlElementNode)ElementHierarchy.Peek();
var beginTagName = beginTag.FullTagName;
if (!beginTagName.Equals(element.FullTagName, StringComparison.OrdinalIgnoreCase))
{
element.AddWarning($"The closing tag '</{element.FullTagName}>' doesn't have a matching opening tag!");
ResolveWrongClosingTag(element);
if (ElementHierarchy.Peek() is DothtmlElementNode newBeginTag && beginTagName != newBeginTag.FullTagName)
{
newBeginTag.CorrespondingEndTag = element;
ElementHierarchy.Pop();
}
else
{
CurrentElementContent.Add(element);
}
}
else
{
ElementHierarchy.Pop();
beginTag.CorrespondingEndTag = element;
}
}
}
}
public void Visit(DothtmlRootNode root)
{
LastFoundNode = root;
}
public void Visit(DothtmlRootNode root)
{
LastFoundNode = root;
}
public IAbstractTreeRoot BuildTreeRoot(IControlTreeResolver controlTreeResolver, IControlResolverMetadata metadata, DothtmlRootNode node, IDataContextStack dataContext)
{
return new ResolvedTreeRoot((ControlResolverMetadata)metadata, node, (DataContextStack)dataContext);
}
