Exemplo n.º 1
0
        private static void ParseElement(XmlElement element, ITextContainer parent)
        {
            foreach (var child in element.ChildNodes)
            {
                var tagNameToUpper = (child as XmlElement)?.TagName?.ToUpper();

                if (!isInP &&
                    !(child is XmlElement && (tagNameToUpper == "P" || tagNameToUpper == "SPAN" || tagNameToUpper == "DIV" || tagNameToUpper == "IMG")))
                {
                    var paragraph = new Paragraph();
                    parent.Add(paragraph);
                    isInP  = true;
                    parent = new ParagraphTextContainer(parent, paragraph);
                }

                if (child is XmlText)
                {
                    var text = child.InnerText.Replace("\n", "").Trim();
                    if (string.IsNullOrEmpty(text))
                    {
                        continue;
                    }

                    text = text.Replace("</form>", "");
                    parent.Add(new Run {
                        Text = System.Net.WebUtility.HtmlDecode(text), Foreground = new SolidColorBrush(Windows.UI.Colors.Black)
                    });
                }
                else if (child is XmlElement)
                {
                    XmlElement e = (XmlElement)child;
                    switch (tagNameToUpper)
                    {
                    case "P":
                    case "DIV":
                    case "SPAN":
                        if (tagNameToUpper == "DIV")
                        {
                            var classVal = e.Attributes.FirstOrDefault(a => a.NodeName == "class")?.NodeValue?.ToString() ?? "";

                            if (classVal.Contains("open-list-comments") ||
                                classVal.Contains("open-list-footer") ||
                                classVal.Contains("modal-body"))
                            {
                                return;
                            }
                        }

                        if (isInP)
                        {
                            if (tagNameToUpper == "P")
                            {
                                parent.Add(new LineBreak());
                            }
                            ParseElement(e, parent);
                        }
                        else
                        {
                            var paragraph = new Paragraph();
                            parent.Add(paragraph);
                            isInP = true;
                            ParseElement(e, new ParagraphTextContainer(parent, paragraph));
                            isInP = false;
                        }
                        break;

                    case "B":
                    case "STRONG":
                    case "H1":
                    case "H2":
                    case "H3":
                    case "H4":
                    case "H5":
                    case "H6":
                        var bold = new Bold();
                        parent.Add(bold);
                        ParseElement(e, new SpanTextContainer(parent, bold));
                        break;

                    case "I":
                    case "EM":
                        var italic = new Italic();
                        parent.Add(italic);
                        ParseElement(e, new SpanTextContainer(parent, italic));
                        break;

                    case "U":
                        var underline = new Underline();
                        parent.Add(underline);
                        ParseElement(e, new SpanTextContainer(parent, underline));
                        break;

                    case "A":
                        var url = e.Attributes.FirstOrDefault(a => a.NodeName == "href")?.NodeValue;
                        Uri uri;
                        if (url != null && Uri.TryCreate(url.ToString(), UriKind.Absolute, out uri))
                        {
                            var link = new Hyperlink();
                            link.NavigateUri = uri;
                            parent.Add(link);
                            ParseElement(e, new SpanTextContainer(parent, link));
                        }
                        else
                        {
                            ParseElement(e, parent);
                        }

                        break;

                    case "BR":
                        parent.Add(new LineBreak());
                        break;

                    case "IMG":
                        var src = e.Attributes.FirstOrDefault(a => a.NodeName == "src")?.NodeValue;
                        Uri srcUri;
                        if (src != null && Uri.TryCreate(src.ToString(), UriKind.Absolute, out srcUri))
                        {
                            var img = new InlineUIContainer
                            {
                                Child = new Windows.UI.Xaml.Controls.Image()
                                {
                                    Source = new BitmapImage(srcUri)
                                }
                            };

                            parent.AddToParentParagraph(img);
                        }
                        break;
                    }
                }
            }
        }
Exemplo n.º 2
0
        private static void ParseElement(XmlElement element, ITextContainer parent)
        {
            foreach (var child in element.ChildNodes)
            {
                var tagNameToUpper = (child as XmlElement)?.TagName?.ToUpper();

                if (!isInP
                    && !(child is XmlElement && (tagNameToUpper == "P" || tagNameToUpper == "SPAN" || tagNameToUpper == "DIV" || tagNameToUpper == "IMG")))
                {
                    var paragraph = new Paragraph();
                    parent.Add(paragraph);
                    isInP = true;
                    parent = new ParagraphTextContainer(parent, paragraph);
                }

                if (child is XmlText)
                {
                    var text = child.InnerText.Replace("\n", "").Trim();
                    if (string.IsNullOrEmpty(text))
                        continue;

                    text = text.Replace("</form>", "");
                    parent.Add(new Run { Text = System.Net.WebUtility.HtmlDecode(text), Foreground = new SolidColorBrush(Windows.UI.Colors.Black) });
                }
                else if (child is XmlElement)
                {
                    XmlElement e = (XmlElement)child;
                    switch (tagNameToUpper)
                    {
                        case "P":
                        case "DIV":
                        case "SPAN":
                            if(tagNameToUpper == "DIV")
                            {
                                var classVal = e.Attributes.FirstOrDefault(a => a.NodeName == "class")?.NodeValue?.ToString() ?? "";
                                
                                if(classVal.Contains("open-list-comments") ||
                                   classVal.Contains("open-list-footer") ||
                                   classVal.Contains("modal-body"))
                                {
                                    return;
                                }
                            }

                            if (isInP)
                            {
                                if (tagNameToUpper == "P")
                                    parent.Add(new LineBreak());
                                ParseElement(e, parent);
                            }
                            else
                            {
                                var paragraph = new Paragraph();
                                parent.Add(paragraph);
                                isInP = true;
                                ParseElement(e, new ParagraphTextContainer(parent, paragraph));
                                isInP = false;
                            }
                            break;
                        case "B":
                        case "STRONG":
                        case "H1":
                        case "H2":
                        case "H3":
                        case "H4":
                        case "H5":
                        case "H6":
                            var bold = new Bold();
                            parent.Add(bold);
                            ParseElement(e, new SpanTextContainer(parent, bold));
                            break;
                        case "I":
                        case "EM":
                            var italic = new Italic();
                            parent.Add(italic);
                            ParseElement(e, new SpanTextContainer(parent, italic));
                            break;
                        case "U":
                            var underline = new Underline();
                            parent.Add(underline);
                            ParseElement(e, new SpanTextContainer(parent, underline));
                            break;
                        case "A":
                            var url = e.Attributes.FirstOrDefault(a => a.NodeName == "href")?.NodeValue;
                            Uri uri;
                            if (url != null && Uri.TryCreate(url.ToString(), UriKind.Absolute, out uri))
                            {
                                var link = new Hyperlink();
                                link.NavigateUri = uri;
                                parent.Add(link);
                                ParseElement(e, new SpanTextContainer(parent, link));
                            }
                            else
                            {
                                ParseElement(e, parent);
                            }

                            break;
                        case "BR":
                            parent.Add(new LineBreak());
                            break;
                        case "IMG":
                            var src = e.Attributes.FirstOrDefault(a => a.NodeName == "src")?.NodeValue;
                            Uri srcUri;
                            if (src != null && Uri.TryCreate(src.ToString(), UriKind.Absolute, out srcUri))
                            {
                                var img = new InlineUIContainer
                                {
                                    Child = new Windows.UI.Xaml.Controls.Image()
                                    {
                                        Source = new BitmapImage(srcUri)
                                    }
                                };

                                parent.AddToParentParagraph(img);
                            }
                            break;
                    }
                }
            }
        }