string RenderText(TextPart text)
{
string html;
if (text.IsHtml)
{
return(text.Text);
}
else if (text.IsFlowed)
{
var converter = new FlowedToHtml();
string delsp;
if (!text.ContentType.Parameters.TryGetValue("delsp", out delsp))
{
delsp = "no";
}
if (string.Compare(delsp, "yes", StringComparison.OrdinalIgnoreCase) == 0)
{
converter.DeleteSpace = true;
}
html = converter.Convert(text.Text);
}
else
{
html = new TextToHtml().Convert(text.Text);
}
return(html);
}
protected override void VisitTextPart (TextPart entity)
{
TextConverter converter;
if (body != null) {
// since we've already found the body, treat this as an attachment
attachments.Add (entity);
return;
}
if (entity.IsHtml) {
converter = new HtmlToHtml {
HtmlTagCallback = HtmlTagCallback
};
} else if (entity.IsFlowed) {
var flowed = new FlowedToHtml ();
string delsp;
if (entity.ContentType.Parameters.TryGetValue ("delsp", out delsp))
flowed.DeleteSpace = delsp.ToLowerInvariant () == "yes";
converter = flowed;
} else {
converter = new TextToHtml ();
}
body = converter.Convert (entity.Text);
}
public void TestSimpleFlowedToHtml()
{
string expected = "<p>This is some sample text that has been formatted " +
"according to the format=flowed rules defined in rfc3676. " +
"This text, once converted, should all be on a single line.</p>" + Environment.NewLine +
"<br/>" + Environment.NewLine +
"<br/>" + Environment.NewLine +
"<br/>" + Environment.NewLine +
"<br/>" + Environment.NewLine +
"<p>And this line of text should be separate by 4 blank lines.</p>" + Environment.NewLine;
string text = "This is some sample text that has been formatted " + Environment.NewLine +
"according to the format=flowed rules defined in rfc3676. " + Environment.NewLine +
"This text, once converted, should all be on a single line." + Environment.NewLine +
Environment.NewLine +
Environment.NewLine +
Environment.NewLine +
Environment.NewLine +
"And this line of text should be separate by 4 blank lines." + Environment.NewLine;
var converter = new FlowedToHtml {
OutputHtmlFragment = true
};
var result = converter.Convert(text);
Assert.AreEqual(expected, result);
}
public void TestBrokenQuotedFlowedToHtml()
{
// Note: this is the brokenly quoted sample from rfc3676 at the end of section 4.5
string expected = "<blockquote><p>Thou villainous ill-breeding spongy dizzy-eyed reeky elf-skinned pigeon-egg! </p>" + Environment.NewLine +
"<blockquote><p>Thou artless swag-bellied milk-livered dismal-dreaming idle-headed scut!</p>" + Environment.NewLine +
"<blockquote><p>Thou errant folly-fallen spleeny reeling-ripe unmuzzled ratsbane!</p>" + Environment.NewLine +
"<blockquote><p>Henceforth, the coding style is to be strictly enforced, including the use of only upper case.</p>" + Environment.NewLine +
"<blockquote><p>I've noticed a lack of adherence to the coding styles, of late.</p>" + Environment.NewLine +
"<blockquote><p>Any complaints?</p>" + Environment.NewLine +
"</blockquote></blockquote></blockquote></blockquote></blockquote></blockquote>";
string text = "> Thou villainous ill-breeding spongy dizzy-eyed " + Environment.NewLine +
"> reeky elf-skinned pigeon-egg! " + Environment.NewLine +
">> Thou artless swag-bellied milk-livered " + Environment.NewLine +
">> dismal-dreaming idle-headed scut!" + Environment.NewLine +
">>> Thou errant folly-fallen spleeny reeling-ripe " + Environment.NewLine +
">>> unmuzzled ratsbane!" + Environment.NewLine +
">>>> Henceforth, the coding style is to be strictly " + Environment.NewLine +
">>>> enforced, including the use of only upper case." + Environment.NewLine +
">>>>> I've noticed a lack of adherence to the coding " + Environment.NewLine +
">>>>> styles, of late." + Environment.NewLine +
">>>>>> Any complaints?" + Environment.NewLine;
var converter = new FlowedToHtml {
OutputHtmlFragment = true
};
var result = converter.Convert(text);
Assert.AreEqual(expected, result);
}
static void RenderText(TextPart text, WebBrowserEditabil pWebBrowser)
{
string html;
if (text.IsHtml)
{
html = text.Text;
}
else if (text.IsFlowed)
{
var converter = new FlowedToHtml();
string delsp;
if (!text.ContentType.Parameters.TryGetValue("delsp", out delsp))
{
delsp = "no";
}
if (string.Compare(delsp, "yes", StringComparison.OrdinalIgnoreCase) == 0)
{
converter.DeleteSpace = true;
}
html = converter.Convert(text.Text);
}
else
{
html = new TextToHtml().Convert(text.Text);
}
pWebBrowser.DocumentText = html;
}
public void TestTextHeaderAndFooter()
{
string expected = "<html><body>On <date>, so-and-so said:<br/><blockquote><p>Thou villainous ill-breeding spongy dizzy-eyed reeky elf-skinned pigeon-egg!</p>" + Environment.NewLine +
"<blockquote><p>Thou artless swag-bellied milk-livered dismal-dreaming idle-headed scut!</p>" + Environment.NewLine +
"<blockquote><p>Thou errant folly-fallen spleeny reeling-ripe unmuzzled ratsbane!</p>" + Environment.NewLine +
"<blockquote><p>Henceforth, the coding style is to be strictly enforced, including the use of only upper case.</p>" + Environment.NewLine +
"<blockquote><p>I've noticed a lack of adherence to the coding styles, of late.</p>" + Environment.NewLine +
"<blockquote><p>Any complaints?</p>" + Environment.NewLine +
"</blockquote></blockquote></blockquote></blockquote></blockquote></blockquote>Tha-tha-tha-tha that's all, folks!<br/></body></html>";
string text = "> Thou villainous ill-breeding spongy dizzy-eyed " + Environment.NewLine +
"> reeky elf-skinned pigeon-egg!" + Environment.NewLine +
">> Thou artless swag-bellied milk-livered " + Environment.NewLine +
">> dismal-dreaming idle-headed scut!" + Environment.NewLine +
">>> Thou errant folly-fallen spleeny reeling-ripe " + Environment.NewLine +
">>> unmuzzled ratsbane!" + Environment.NewLine +
">>>> Henceforth, the coding style is to be strictly " + Environment.NewLine +
">>>> enforced, including the use of only upper case." + Environment.NewLine +
">>>>> I've noticed a lack of adherence to the coding " + Environment.NewLine +
">>>>> styles, of late." + Environment.NewLine +
">>>>>> Any complaints?" + Environment.NewLine;
var converter = new FlowedToHtml {
Header = "On <date>, so-and-so said:" + Environment.NewLine,
HeaderFormat = HeaderFooterFormat.Text,
Footer = "Tha-tha-tha-tha that's all, folks!" + Environment.NewLine,
FooterFormat = HeaderFooterFormat.Text,
HtmlTagCallback = null
};
var result = converter.Convert(text);
Assert.AreEqual(expected, result);
}
void RenderText(TextPart text)
{
string html;
if (text.IsHtml)
{
// the text content is already in HTML format
html = text.Text;
}
else if (text.IsFlowed)
{
var converter = new FlowedToHtml();
string delsp;
// the delsp parameter specifies whether or not to delete spaces at the end of flowed lines
if (!text.ContentType.Parameters.TryGetValue("delsp", out delsp))
{
delsp = "no";
}
if (string.Compare(delsp, "yes", StringComparison.OrdinalIgnoreCase) == 0)
{
converter.DeleteSpace = true;
}
html = converter.Convert(text.Text);
}
else
{
html = new TextToHtml().Convert(text.Text);
}
webView.LoadData(html, "text/html", "utf-8");
}
public void TestSimpleFlowedWithUrlsToHtml()
{
string expected = "<p>Check out <a href=\"http://www.xamarin.com\">http://www.xamarin.com</a> - it's amazing!</p>" + Environment.NewLine;
string text = "Check out http://www.xamarin.com - it's amazing!" + Environment.NewLine;
var converter = new FlowedToHtml();
var result = converter.Convert(text);
Assert.AreEqual(expected, result);
}
protected override void VisitTextPart(TextPart entity)
{
TextConverter converter;
string header, footer;
if (_body != null)
{
// since we've already found the body, treat this as an attachment
_attachments.Add(entity);
return;
}
GetHeaderFooter(out header, out footer);
if (entity.IsHtml)
{
converter = new HtmlToHtml
{
Header = UIStrings.MarkOfTheWeb + Environment.NewLine,
HeaderFormat = HeaderFooterFormat.Html,
HtmlTagCallback = HtmlTagCallback
};
}
else if (entity.IsFlowed)
{
var flowed = new FlowedToHtml
{
Header = UIStrings.MarkOfTheWeb + Environment.NewLine + header,
HeaderFormat = HeaderFooterFormat.Html,
Footer = footer,
FooterFormat = HeaderFooterFormat.Html
};
string delsp;
if (entity.ContentType.Parameters.TryGetValue("delsp", out delsp))
{
flowed.DeleteSpace = delsp.ToLowerInvariant() == "yes";
}
converter = flowed;
}
else
{
converter = new TextToHtml
{
Header = UIStrings.MarkOfTheWeb + Environment.NewLine + header,
HeaderFormat = HeaderFooterFormat.Html,
Footer = footer,
FooterFormat = HeaderFooterFormat.Html
};
}
string text = entity.Text;
_body = converter.Convert(entity.Text);
}
protected async override void VisitTextPart(TextPart entity)
{
TextConverter converter;
if (renderedBody)
{
// since we've already found the body, treat this as an attachment
attachments.Add(entity);
return;
}
if (entity.IsHtml)
{
converter = new HtmlToHtml
{
HtmlTagCallback = HtmlTagCallback
};
}
else if (entity.IsFlowed)
{
var flowed = new FlowedToHtml();
if (entity.ContentType.Parameters.TryGetValue("delsp", out string delsp))
{
flowed.DeleteSpace = delsp.ToLowerInvariant() == "yes";
}
converter = flowed;
}
else
{
converter = new TextToHtml();
}
var client = new MultipartRelatedWebViewClient(stack);
var html = converter.Convert(entity.Text);
// Add print header
html = Regex.Replace(html, "<[Bb][Oo][Dd][Yy].*?>", "$0" + "<p id=\"emlReaderPrintHeader\" style=\"background: white; color: black;\"></p>");
await webView.EnsureCoreWebView2Async();
webView.CoreWebView2.AddWebResourceRequestedFilter("*", CoreWebView2WebResourceContext.All);
webView.CoreWebView2.WebResourceRequested += client.ShouldInterceptRequest;
webView.NavigateToString(html);
renderedBody = true;
}
private void SetFlowedHtmlToBody(TextPart entity)
{
var beforeAfter = GetBeforeAfterFormatWrapper(UIStrings.HtmlToHtmlFormatWrapper);
var convertor = new FlowedToHtml
{
Header = $"{UIStrings.MarkOfTheWeb}{Environment.NewLine}{beforeAfter.Before}",
HeaderFormat = HeaderFooterFormat.Html,
Footer = beforeAfter.After,
FooterFormat = HeaderFooterFormat.Html
};
if (entity.ContentType.Parameters.TryGetValue("delsp", out string delsp))
{
convertor.DeleteSpace = delsp.ToLowerInvariant() == "yes";
}
_body = convertor.Convert(entity.Text);
}
public void TestDefaultPropertyValues()
{
var converter = new FlowedToHtml();
Assert.IsFalse(converter.DeleteSpace, "DeleteSpace");
Assert.IsFalse(converter.DetectEncodingFromByteOrderMark, "DetectEncodingFromByteOrderMark");
Assert.IsNull(converter.Footer, "Footer");
Assert.AreEqual(HeaderFooterFormat.Text, converter.FooterFormat, "FooterFormat");
Assert.IsNull(converter.Header, "Header");
Assert.AreEqual(HeaderFooterFormat.Text, converter.HeaderFormat, "HeaderFormat");
Assert.IsNull(converter.HtmlTagCallback, "HtmlTagCallback");
Assert.AreEqual(Encoding.UTF8, converter.InputEncoding, "InputEncoding");
Assert.AreEqual(TextFormat.Flowed, converter.InputFormat, "InputFormat");
Assert.AreEqual(4096, converter.InputStreamBufferSize, "InputStreamBufferSize");
Assert.AreEqual(Encoding.UTF8, converter.OutputEncoding, "OutputEncoding");
Assert.AreEqual(TextFormat.Html, converter.OutputFormat, "OutputFormat");
Assert.IsFalse(converter.OutputHtmlFragment, "OutputHtmlFragment");
Assert.AreEqual(4096, converter.OutputStreamBufferSize, "OutputStreamBufferSize");
}
protected override void VisitTextPart(TextPart entity)
{
TextConverter converter;
if (renderedBody)
{
// since we've already found the body, treat this as an attachment
attachments.Add(entity);
return;
}
if (entity.IsHtml)
{
converter = new HtmlToHtml {
HtmlTagCallback = HtmlTagCallback
};
}
else if (entity.IsFlowed)
{
var flowed = new FlowedToHtml();
string delsp;
if (entity.ContentType.Parameters.TryGetValue("delsp", out delsp))
{
flowed.DeleteSpace = delsp.ToLowerInvariant() == "yes";
}
converter = flowed;
}
else
{
converter = new TextToHtml();
}
var client = new MultipartRelatedWebViewClient(stack);
var html = converter.Convert(entity.Text);
webView.SetWebViewClient(client);
webView.LoadData(html, "text/html", "utf-8");
renderedBody = true;
}
protected override void VisitTextPart(TextPart entity)
{
TextConverter converter;
if (renderedBody)
{
// since we've already found the body, treat this as an attachment
attachments.Add(entity);
return;
}
if (entity.IsHtml)
{
converter = new HtmlToHtml {
HtmlTagCallback = HtmlTagCallback
};
}
else if (entity.IsFlowed)
{
var flowed = new FlowedToHtml();
if (entity.ContentType.Parameters.TryGetValue("delsp", out string delsp))
{
flowed.DeleteSpace = delsp.ToLowerInvariant() == "yes";
}
converter = flowed;
}
else
{
converter = new TextToHtml();
}
var html = converter.Convert(entity.Text);
NSUrlCache.SharedCache = new MultipartRelatedUrlCache(stack);
webView.LoadHtmlString(html, new NSUrl("index.html"));
renderedBody = true;
}
private static string ConvertToHtml(TextPart entity)
{
try
{
TextConverter converter;
if (entity.IsHtml)
{
converter = new HtmlToHtml();
}
else if (entity.IsFlowed)
{
var flowed = new FlowedToHtml();
string delsp;
if (entity.ContentType.Parameters.TryGetValue("delsp", out delsp))
{
flowed.DeleteSpace = delsp.ToLowerInvariant() == "yes";
}
converter = flowed;
}
else
{
converter = new TextToHtml();
}
var body = converter.Convert(entity.Text);
return(body);
}
catch (Exception)
{
// skip
}
return(entity.Text ?? "");
}
public void TestArgumentExceptions()
{
var converter = new FlowedToHtml();
var reader = new StringReader("");
var writer = new StringWriter();
Assert.Throws <ArgumentNullException> (() => converter.InputEncoding = null);
Assert.Throws <ArgumentNullException> (() => converter.OutputEncoding = null);
Assert.Throws <ArgumentOutOfRangeException> (() => converter.InputStreamBufferSize = -1);
Assert.Throws <ArgumentOutOfRangeException> (() => converter.OutputStreamBufferSize = -1);
Assert.Throws <ArgumentNullException> (() => converter.Convert(null));
Assert.Throws <ArgumentNullException> (() => converter.Convert((Stream)null, Stream.Null));
Assert.Throws <ArgumentNullException> (() => converter.Convert(Stream.Null, (Stream)null));
Assert.Throws <ArgumentNullException> (() => converter.Convert((TextReader)null, Stream.Null));
Assert.Throws <ArgumentNullException> (() => converter.Convert(Stream.Null, (TextWriter)null));
Assert.Throws <ArgumentNullException> (() => converter.Convert((TextReader)null, writer));
Assert.Throws <ArgumentNullException> (() => converter.Convert(reader, (TextWriter)null));
Assert.Throws <ArgumentNullException> (() => converter.Convert(new StreamReader(Stream.Null), (Stream)null));
Assert.Throws <ArgumentNullException> (() => converter.Convert((Stream)null, new StreamWriter(Stream.Null)));
Assert.Throws <ArgumentNullException> (() => converter.Convert(new StreamReader(Stream.Null), (TextWriter)null));
}
protected internal override void VisitTextPart(TextPart entity)
{
TextConverter converter;
if (body != null)
{
base.VisitTextPart(entity);
return;
}
if (entity.IsHtml)
{
converter = new HtmlToHtml {
HtmlTagCallback = HtmlTagCallback
};
}
else if (entity.IsFlowed)
{
var flowed = new FlowedToHtml();
string delsp;
if (entity.ContentType.Parameters.TryGetValue("delsp", out delsp))
{
flowed.DeleteSpace = delsp.ToLowerInvariant() == "yes";
}
converter = flowed;
}
else
{
converter = new TextToHtml();
}
body = converter.Convert(entity.Text);
base.VisitTextPart(entity);
}
