iTextSharp.text.html.ITextmyHtmlHandler.StartElement C# (CSharp) Метод

StartElement() публичный Метод

public StartElement ( String uri, String lname, String name, Hashtable attrs ) : void
uri String
lname String
name String
attrs System.Collections.Hashtable
Результат void
        public override void StartElement(String uri, String lname, String name, Hashtable attrs) {
        //System.err.Println("Start: " + name);
            
            // super.handleStartingTags is replaced with handleStartingTags
            // suggestion by Vu Ngoc Tan/Hop
            name = name.ToLower(CultureInfo.InvariantCulture);
            if (HtmlTagMap.IsHtml(name)) {
                // we do nothing
                return;
            }
            if (HtmlTagMap.IsHead(name)) {
                // we do nothing
                return;
            }
            if (HtmlTagMap.IsTitle(name)) {
                // we do nothing
                return;
            }
            if (HtmlTagMap.IsMeta(name)) {
                // we look if we can change the body attributes
                String meta = null;
                String content = null;
                if (attrs != null) {
                    foreach (String attribute in attrs.Keys) {
                        if (Util.EqualsIgnoreCase(attribute, HtmlTags.CONTENT))
                            content = (String)attrs[attribute];
                        else if (Util.EqualsIgnoreCase(attribute, HtmlTags.NAME))
                            meta = (String)attrs[attribute];
                    }
                }
                if (meta != null && content != null) {
                    bodyAttributes.Add(meta, content);
                }
                return;
            }
            if (HtmlTagMap.IsLink(name)) {
                // we do nothing for the moment, in a later version we could extract the style sheet
                return;
            }
            if (HtmlTagMap.IsBody(name)) {
                // maybe we could extract some info about the document: color, margins,...
                // but that's for a later version...
                XmlPeer peer = new XmlPeer(ElementTags.ITEXT, name);
                peer.AddAlias(ElementTags.TOP, HtmlTags.TOPMARGIN);
                peer.AddAlias(ElementTags.BOTTOM, HtmlTags.BOTTOMMARGIN);
                peer.AddAlias(ElementTags.RIGHT, HtmlTags.RIGHTMARGIN);
                peer.AddAlias(ElementTags.LEFT, HtmlTags.LEFTMARGIN);
                bodyAttributes.AddAll(peer.GetAttributes(attrs));
                HandleStartingTags(peer.Tag, bodyAttributes);
                return;
            }
            if (myTags.ContainsKey(name)) {
                XmlPeer peer = (XmlPeer) myTags[name];
                if (ElementTags.TABLE.Equals(peer.Tag) || ElementTags.CELL.Equals(peer.Tag)) {
                    Properties p = peer.GetAttributes(attrs);
                    String value;
                    if (ElementTags.TABLE.Equals(peer.Tag) && (value = p[ElementTags.BORDERWIDTH]) != null) {
                        if (float.Parse(value, System.Globalization.NumberFormatInfo.InvariantInfo) > 0) {
                            tableBorder = true;
                        }
                    }
                    if (tableBorder) {
                        p.Add(ElementTags.LEFT, "true");
                        p.Add(ElementTags.RIGHT, "true");
                        p.Add(ElementTags.TOP, "true");
                        p.Add(ElementTags.BOTTOM, "true");
                    }
                    HandleStartingTags(peer.Tag, p);
                    return;
                }
                HandleStartingTags(peer.Tag, peer.GetAttributes(attrs));
                return;
            }
            Properties attributes = new Properties();
            if (attrs != null) {
                foreach (String attribute in attrs.Keys) {
                    attributes.Add(attribute.ToLower(CultureInfo.InvariantCulture), ((String)attrs[attribute]).ToLower(CultureInfo.InvariantCulture));
                }
            }
            HandleStartingTags(name, attributes);
        }