public RtfImporter(Stream stream, IDocument document)
{
this.stream = stream;
this.rtfParser = new Common.Text.RTF.Parser.RTF(stream);
this.document = document;
_style = new RtfSectionStyle();
}
// To allow us to keep track of the sections and revert formatting
// as we go in and out of sections of the document.
private void HandleGroup(Common.Text.RTF.Parser.RTF rtf)
{
//start group - save the current formatting on to a stack
//end group - go back to the formatting at the current group
if (_sectionStack == null)
{
_sectionStack = new Stack();
}
if (rtf.Major == Major.BeginGroup)
{
_sectionStack.Push(_style.Clone());
//spec specifies resetting unicode ignore at begin group as an attempt at error
//recovery.
_skipCount = 0;
}
else if (rtf.Major == Major.EndGroup)
{
if (_sectionStack.Count > 0)
{
FlushText(rtf, false);
_style = (RtfSectionStyle)_sectionStack.Pop();
}
}
}
private void HandleText(Common.Text.RTF.Parser.RTF rtf)
{
var str = rtf.EncodedText;
//todo - simplistically skips characters, should skip bytes?
if (_skipCount > 0 && str.Length > 0)
{
int iToRemove = Math.Min(_skipCount, str.Length);
str = str.Substring(iToRemove);
_skipCount -= iToRemove;
}
/*
* if ((RTF.StandardCharCode)rtf.Minor != RTF.StandardCharCode.nothing) {
* rtf_line.Append(rtf_text_map[(RTF.StandardCharCode)rtf.Minor]);
* } else {
* if ((int)rtf.Major > 31 && (int)rtf.Major < 128) {
* rtf_line.Append((char)rtf.Major);
* } else {
* //rtf_line.Append((char)rtf.Major);
* Console.Write("[Literal:0x{0:X2}]", (int)rtf.Major);
* }
* }
*/
if (_style.Visible)
{
_line.Append(str);
}
}
private void SpecialChar(Common.Text.RTF.Parser.RTF rtf)
{
switch (rtf.Minor)
{
case Minor.Page:
case Minor.Sect:
case Minor.Row:
case Minor.Line:
case Minor.Par: {
FlushText(rtf, true);
break;
}
case Minor.Cell: {
Trace.Write(" ");
break;
}
case Minor.NoBrkSpace: {
Trace.Write(" ");
break;
}
case Minor.Tab: {
_line.Append("\t");
// FlushText (rtf, false);
break;
}
case Minor.NoReqHyphen:
case Minor.NoBrkHyphen: {
_line.Append("-");
// FlushText (rtf, false);
break;
}
case Minor.Bullet: {
Trace.WriteLine("*");
break;
}
case Minor.WidowCtrl:
break;
case Minor.EmDash: {
_line.Append("\u2014");
break;
}
case Minor.EnDash: {
_line.Append("\u2013");
break;
}
/*
* case RTF.Minor.LQuote: {
* Console.Write("\u2018");
* break;
* }
*
* case RTF.Minor.RQuote: {
* Console.Write("\u2019");
* break;
* }
*
* case RTF.Minor.LDblQuote: {
* Console.Write("\u201C");
* break;
* }
*
* case RTF.Minor.RDblQuote: {
* Console.Write("\u201D");
* break;
* }
*/
default: {
// Console.WriteLine ("skipped special char: {0}", rtf.Minor);
// rtf.SkipGroup();
break;
}
}
}
private void HandleControl(Common.Text.RTF.Parser.RTF rtf)
{
switch (rtf.Major)
{
case Major.Unicode: {
switch (rtf.Minor)
{
case Minor.UnicodeCharBytes: {
_style.SkipWidth = rtf.Param;
break;
}
case Minor.UnicodeChar: {
FlushText(rtf, false);
_skipCount += _style.SkipWidth;
_line.Append((char)rtf.Param);
break;
}
}
break;
}
case Major.Destination: {
// Console.Write("[Got Destination control {0}]", rtf.Minor);
rtf.SkipGroup();
break;
}
case Major.PictAttr:
if (rtf.Picture != null && rtf.Picture.IsValid())
{
//var line = document.GetLine (_cursorY);
//document.InsertPicture (line, 0, rtf.Picture);
_cursorX++;
FlushText(rtf, true);
rtf.Picture = null;
}
break;
case Major.CharAttr: {
FlushText(rtf, false);
switch (rtf.Minor)
{
case Minor.ForeColor: {
var color = Color.GetColor(rtf, rtf.Param);
if (color != null)
{
if (color.Red == -1 && color.Green == -1 && color.Blue == -1)
{
this._style.Color = ForeColor;
}
else
{
this._style.Color = XD.Color.FromBytes((byte)color.Red, (byte)color.Green, (byte)color.Blue);
}
}
break;
}
case Minor.FontSize: {
this._style.FontSize = rtf.Param / 2;
break;
}
case Minor.FontNum: {
var font = Font.GetFont(rtf, rtf.Param);
if (font != null)
{
this._style.FontName = font.Name;
}
break;
}
case Minor.Plain: {
_style.SectionAttribute = SectionAttribute.Regular;
break;
}
case Minor.Bold: {
if (rtf.Param == Common.Text.RTF.Parser.RTF.NoParam)
{
_style.SectionAttribute |= SectionAttribute.Bold;
}
else
{
_style.SectionAttribute &= ~SectionAttribute.Bold;
}
break;
}
case Minor.Italic: {
if (rtf.Param == Common.Text.RTF.Parser.RTF.NoParam)
{
_style.SectionAttribute |= SectionAttribute.Italic;
}
else
{
_style.SectionAttribute &= ~SectionAttribute.Italic;
}
break;
}
case Minor.StrikeThru: {
if (rtf.Param == Common.Text.RTF.Parser.RTF.NoParam)
{
_style.SectionAttribute |= SectionAttribute.Strikeout;
}
else
{
_style.SectionAttribute &= ~SectionAttribute.Strikeout;
}
break;
}
case Minor.Underline: {
if (rtf.Param == Common.Text.RTF.Parser.RTF.NoParam)
{
_style.SectionAttribute |= SectionAttribute.Underline;
}
else
{
_style.SectionAttribute &= ~SectionAttribute.Underline;
}
break;
}
case Minor.SubScrShrink: {
if (rtf.Param == Common.Text.RTF.Parser.RTF.NoParam)
{
_style.SectionAttribute |= SectionAttribute.Subscript;
}
else
{
_style.SectionAttribute &= ~SectionAttribute.Subscript;
}
break;
}
case Minor.SuperScrShrink: {
if (rtf.Param == Common.Text.RTF.Parser.RTF.NoParam)
{
_style.SectionAttribute |= SectionAttribute.Superscript;
}
else
{
_style.SectionAttribute &= ~SectionAttribute.Superscript;
}
break;
}
case Minor.Invisible: {
_style.Visible = false;
break;
}
case Minor.NoUnderline: {
_style.SectionAttribute &= ~SectionAttribute.Underline;
break;
}
}
break;
}
case Major.ParAttr: {
switch (rtf.Minor)
{
case Minor.ParDef:
FlushText(rtf, false);
_style.ParLineLeftIndent = 0;
_style.Align = Alignment.Start;
break;
case Minor.LeftIndent:
_style.ParLineLeftIndent =
(int)(((float)rtf.Param / 1440.0F) * DpiX + 0.5F);
break;
case Minor.QuadCenter:
FlushText(rtf, false);
_style.Align = Alignment.Center;
break;
case Minor.QuadJust:
FlushText(rtf, false);
_style.Align = Alignment.Center;
break;
case Minor.QuadLeft:
FlushText(rtf, false);
_style.Align = Alignment.Start;
break;
case Minor.QuadRight:
FlushText(rtf, false);
_style.Align = Alignment.End;
break;
}
break;
}
case Major.SpecialChar: {
//Console.Write("[Got SpecialChar control {0}]", rtf.Minor);
SpecialChar(rtf);
break;
}
}
}
