/// <summary>
/// Convert rtf to XHTML. It uses SautinSoft. You may need to have a license.
/// </summary>
/// <param name="rtfText"></param>
/// <param name="xhtmlDir">The directory to store images.</param>
/// <param name="imageFileFolder"></param>
/// <returns></returns>
public static string Convert(string rtfText, string xhtmlDir, string imageFileFolder = "Files")
{
// test purposes
bool gen = true;
string xhtml;
// generate XHTML
if (gen)
{
try
{
RtfToHtml rtfGen = new RtfToHtml
{
OutputFormat = RtfToHtml.eOutputFormat.XHTML_10,
Serial = "10460301363", // Serial number developer license
Encoding = RtfToHtml.eEncoding.UTF_8
};
//specify image options
rtfGen.ImageStyle.ImageFolder = xhtmlDir; //this folder must exist
rtfGen.ImageStyle.ImageSubFolder = imageFileFolder; //this folder will be created by the component
rtfGen.ImageStyle.ImageFileName = "png"; //template name for images
rtfGen.ImageStyle.IncludeImageInHtml = false; //false - save images on HDD, true - save images inside HTML
xhtml = rtfGen.ConvertString(rtfText);
}
catch (Exception e)
{
MessageBox.Show($@"{e}
Text to convert:
{rtfText}", @"Error rtf to xhtml converting");
xhtml = @"Can't convert EA rtf to ReqIF XHTML";
}
}
else
{
// simulation
string filesDirectory = Path.Combine(xhtmlDir, imageFileFolder);
if (!System.IO.Directory.Exists(filesDirectory))
{
Directory.CreateDirectory(filesDirectory);
}
// test data
DirectoryExtension.DirectoryCopy($@"c:\Temp\Convert\Test\Files\", filesDirectory, copySubDirs: true, overwrite: true);
xhtml = System.IO.File.ReadAllText(@"c:\Temp\Convert\Test\test.xhtml");
}
// Adapt images to ReqIF standard
// From:
// <img src="test.files\png1.png" width="73" height="53" alt="" />
// To:
// <object data="test.files\png1.png" type="image/png" />
Regex rx = new Regex(@"<img src=""([^""]*)""[^>]*>");
Match match = rx.Match(xhtml);
while (match.Success)
{
string replaceString = $@"<object data=""{match.Groups[1].Value}"" type=""image/png"" />";
xhtml = xhtml.Replace(match.Groups[0].Value, replaceString);
match = match.NextMatch();
}
// delete everything before/including '<body>'
int pos = xhtml.IndexOf(@"<body>", StringComparison.Ordinal);
xhtml = xhtml.Substring(pos + 6);
// delete </body></html>
xhtml = xhtml.Replace("</body>", "");
xhtml = xhtml.Replace("</html>", "");
return(xhtml);
}