//------------------------------------------------------
//
// Constructors
//
//------------------------------------------------------
#region Constructors
/// <summary>
/// RtfToXamlLexer
/// </summary>
internal RtfToXamlLexer(byte[] rtfBytes)
{
_rtfBytes = rtfBytes;
_currentCodePage = CultureInfo.CurrentCulture.TextInfo.ANSICodePage;
_currentEncoding = InternalEncoding.GetEncoding(_currentCodePage);
}
internal static void GetClipboardContentForHtml(StringBuilder content)
{
const int bytecountPrefixContext = 135; // Byte count of context before the content in the HTML format
const int bytecountSuffixContext = 36; // Byte count of context after the content in the HTML format
content.Insert(0, "<TABLE>");
content.Append("</TABLE>");
// The character set supported by the clipboard is Unicode in its UTF-8 encoding.
// There are characters in Asian languages which require more than 2 bytes for encoding into UTF-8
// Marshal.SystemDefaultCharSize is 2 and would not be appropriate in all cases. We have to explicitly calculate the number of bytes.
byte[] sourceBytes = Encoding.Unicode.GetBytes(content.ToString());
byte[] destinationBytes = InternalEncoding.Convert(Encoding.Unicode, Encoding.UTF8, sourceBytes);
int bytecountEndOfFragment = bytecountPrefixContext + destinationBytes.Length;
int bytecountEndOfHtml = bytecountEndOfFragment + bytecountSuffixContext;
string prefix = string.Format(CultureInfo.InvariantCulture, DATAGRIDVIEW_htmlPrefix, bytecountEndOfHtml.ToString("00000000", CultureInfo.InvariantCulture), bytecountEndOfFragment.ToString("00000000", CultureInfo.InvariantCulture)) + DATAGRIDVIEW_htmlStartFragment;
content.Insert(0, prefix);
content.Append(DATAGRIDVIEW_htmlEndFragment);
}