FindHead() public method

public FindHead ( TagCollection tt ) : Node
tt TagCollection
return Node
Ejemplo n.º 1
0
        /* create style element using rules from dictionary */
        private void CreateStyleElement(Lexer lexer, Node doc)
        {
            Style style;

            if (lexer.Styles == null && NiceBody(lexer, doc))
            {
                return;
            }

            Node node = lexer.NewNode(Node.START_TAG, null, 0, 0, "style");
            node.Isimplicit = true;

            /* insert type attribute */
            var av = new AttVal(null, null, '"', "type", "text/css");
            av.Dict = AttributeTable.DefaultAttributeTable.FindAttribute(av);
            node.Attributes = av;

            Node body = doc.FindBody(lexer.Options.TagTable);

            lexer.Txtstart = lexer.Lexsize;

            if (body != null)
            {
                CleanBodyAttrs(lexer, body);
            }

            for (style = lexer.Styles; style != null; style = style.Next)
            {
                lexer.AddCharToLexer(' ');
                lexer.AddStringLiteral(style.Tag);
                lexer.AddCharToLexer('.');
                lexer.AddStringLiteral(style.TagClass);
                lexer.AddCharToLexer(' ');
                lexer.AddCharToLexer('{');
                lexer.AddStringLiteral(style.Properties);
                lexer.AddCharToLexer('}');
                lexer.AddCharToLexer('\n');
            }

            lexer.Txtend = lexer.Lexsize;

            Node.InsertNodeAtEnd(node, lexer.NewNode(Node.TEXT_NODE, lexer.Lexbuf, lexer.Txtstart, lexer.Txtend));

            /*
            now insert style element into document head

            doc is root node. search its children for html node
            the head node should be first child of html node
            */

            Node head = doc.FindHead(lexer.Options.TagTable);

            if (head != null)
            {
                Node.InsertNodeAtEnd(head, node);
            }
        }
Ejemplo n.º 2
0
        /*
        Add meta element for page transition effect, this works on IE but not NS
        */
        public virtual void AddTransitionEffect(Lexer lexer, Node root, short effect, double duration)
        {
            Node head = root.FindHead(lexer.Options.TagTable);
            string transition;

            if (0 <= effect && effect <= 23)
            {
                transition = "revealTrans(Duration=" + (duration).ToString() + ",Transition=" + effect + ")";
            }
            else
            {
                transition = "blendTrans(Duration=" + (duration).ToString() + ")";
            }

            if (head != null)
            {
                Node meta = lexer.InferredTag("meta");
                meta.AddAttribute("http-equiv", "Page-Enter");
                meta.AddAttribute("content", transition);
                Node.InsertNodeAtStart(head, meta);
            }
        }
Ejemplo n.º 3
0
        /* add meta element for Tidy */
        public virtual bool AddGenerator(Node root)
        {
            Node head = root.FindHead(Options.TagTable);

            if (head != null)
            {
                Node node;
                for (node = head.Content; node != null; node = node.Next)
                {
                    if (node.Tag == Options.TagTable.TagMeta)
                    {
                        AttVal attval = node.GetAttrByName("name");

                        if (attval != null && attval.Val != null && String.CompareOrdinal(attval.Val, "generator") == 0)
                        {
                            attval = node.GetAttrByName("content");

                            if (attval != null && attval.Val != null && attval.Val.Length >= 9 &&
                                String.CompareOrdinal(attval.Val.Substring(0, 9), "HTML Tidy") == 0)
                            {
                                return false;
                            }
                        }
                    }
                }

                node = InferredTag("meta");
                node.AddAttribute("content", "HTML Tidy, see www.w3.org");
                node.AddAttribute("name", "generator");
                Node.InsertNodeAtStart(head, node);
                return true;
            }

            return false;
        }