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;
}
}
}
}
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;
}
}
}
}