private void HandleOptDest(RTF rtf)
{
int group_levels = 1;
while (true)
{
GetToken();
// Here is where we should handle recognised optional
// destinations.
//
// Handle a picture group
//
if (rtf.CheckCMM(TokenClass.Control, Major.Destination, Minor.Pict))
{
ReadPictGroup(rtf);
return;
}
if (rtf.CheckCM(TokenClass.Group, Major.EndGroup))
{
if ((--group_levels) == 0)
{
break;
}
}
if (rtf.CheckCM(TokenClass.Group, Major.BeginGroup))
{
group_levels++;
}
}
}
private void ReadColorTbl(RTF rtf)
{
Color color;
int num;
num = 0;
while (true)
{
rtf.GetToken();
if (rtf.CheckCM(TokenClass.Group, Major.EndGroup))
{
break;
}
color = new Color(rtf);
color.Num = num++;
while (rtf.CheckCM(TokenClass.Control, Major.ColorName))
{
switch (rtf.minor)
{
case Minor.Red: {
color.Red = rtf.param;
break;
}
case Minor.Green: {
color.Green = rtf.param;
break;
}
case Minor.Blue: {
color.Blue = rtf.param;
break;
}
}
rtf.GetToken();
}
if (!rtf.CheckCM(TokenClass.Text, (Major)';'))
{
throw new RTFException(rtf, "Malformed color entry");
}
}
rtf.RouteToken();
}
private void ReadStyleSheet(RTF rtf)
{
Style style;
StringBuilder sb;
sb = new StringBuilder();
while (true)
{
rtf.GetToken();
if (rtf.CheckCM(TokenClass.Group, Major.EndGroup))
{
break;
}
style = new Style(rtf);
if (!rtf.CheckCM(TokenClass.Group, Major.BeginGroup))
{
throw new RTFException(rtf, "Missing \"{\"");
}
while (true)
{
rtf.GetToken();
if ((rtf.rtf_class == TokenClass.EOF) || rtf.CheckCM(TokenClass.Text, (Major)';'))
{
break;
}
if (rtf.rtf_class == TokenClass.Control)
{
if (rtf.CheckMM(Major.ParAttr, Minor.StyleNum))
{
style.Num = rtf.param;
style.Type = StyleType.Paragraph;
continue;
}
if (rtf.CheckMM(Major.CharAttr, Minor.CharStyleNum))
{
style.Num = rtf.param;
style.Type = StyleType.Character;
continue;
}
if (rtf.CheckMM(Major.StyleAttr, Minor.SectStyleNum))
{
style.Num = rtf.param;
style.Type = StyleType.Section;
continue;
}
if (rtf.CheckMM(Major.StyleAttr, Minor.BasedOn))
{
style.BasedOn = rtf.param;
continue;
}
if (rtf.CheckMM(Major.StyleAttr, Minor.Additive))
{
style.Additive = true;
continue;
}
if (rtf.CheckMM(Major.StyleAttr, Minor.Next))
{
style.NextPar = rtf.param;
continue;
}
new StyleElement(style, rtf.rtf_class, rtf.major, rtf.minor, rtf.param, rtf.text_buffer.ToString());
}
else if (rtf.CheckCM(TokenClass.Group, Major.BeginGroup))
{
// This passes over "{\*\keycode ... }, among other things
rtf.SkipGroup();
}
else if (rtf.rtf_class == TokenClass.Text)
{
var name = new StringBuilder();
while (rtf.rtf_class == TokenClass.Text)
{
if (rtf.major == (Major)';')
{
rtf.UngetToken();
break;
}
sb.Append((char)rtf.major);
name.Append((char)rtf.major);
rtf.GetToken();
}
style.InternalName = sb.ToString();
style.Name = name.ToString();
#if RTF_DEBUG
}
else
{
Console.WriteLine("ReadStyleSheet: Ignored token " + rtf.text_buffer);
#endif
}
}
rtf.GetToken();
if (!rtf.CheckCM(TokenClass.Group, Major.EndGroup))
{
throw new RTFException(rtf, "Missing EndGroup (\"}\"");
}
// Sanity checks
if (style.InternalName == null)
{
throw new RTFException(rtf, "Style must have name");
}
if (style.Num < 0)
{
if (!sb.ToString().StartsWith("Normal") && !sb.ToString().StartsWith("Standard"))
{
throw new RTFException(rtf, "Missing style number");
}
style.Num = Style.NormalStyleNum;
}
if (style.NextPar == -1)
{
style.NextPar = style.Num;
}
}
rtf.RouteToken();
}
public void ReadFontTbl(RTF rtf)
{
int old;
Font font;
old = -1;
font = null;
while (true)
{
rtf.GetToken();
if (rtf.CheckCM(TokenClass.Group, Major.EndGroup))
{
break;
}
if (old < 0)
{
if (rtf.CheckCMM(TokenClass.Control, Major.CharAttr, Minor.FontNum))
{
old = 1;
}
else if (rtf.CheckCM(TokenClass.Group, Major.BeginGroup))
{
old = 0;
}
else
{
throw new RTFException(rtf, "Cannot determine format");
}
}
if (old == 0)
{
if (!rtf.CheckCM(TokenClass.Group, Major.BeginGroup))
{
throw new RTFException(rtf, "missing \"{\"");
}
rtf.GetToken();
}
font = new Font(rtf);
while ((rtf.rtf_class != TokenClass.EOF) && (!rtf.CheckCM(TokenClass.Text, (Major)';')) && (!rtf.CheckCM(TokenClass.Group, Major.EndGroup)))
{
if (rtf.rtf_class == TokenClass.Control)
{
switch (rtf.major)
{
case Major.FontFamily: {
font.Family = (int)rtf.minor;
break;
}
case Major.CharAttr: {
switch (rtf.minor)
{
case Minor.FontNum: {
font.Num = rtf.param;
break;
}
default: {
#if RTF_DEBUG
Console.WriteLine("Got unhandled Control.CharAttr.Minor: " + rtf.minor);
#endif
break;
}
}
break;
}
case Major.FontAttr: {
switch (rtf.minor)
{
case Minor.FontCharSet: {
font.Charset = (CharsetType)rtf.param;
break;
}
case Minor.FontPitch: {
font.Pitch = rtf.param;
break;
}
case Minor.FontCodePage: {
font.Codepage = rtf.param;
break;
}
case Minor.FTypeNil:
case Minor.FTypeTrueType: {
font.Type = rtf.param;
break;
}
default: {
#if RTF_DEBUG
Console.WriteLine("Got unhandled Control.FontAttr.Minor: " + rtf.minor);
#endif
break;
}
}
break;
}
default: {
#if RTF_DEBUG
Console.WriteLine("ReadFontTbl: Unknown Control token " + rtf.major);
#endif
break;
}
}
}
else if (rtf.CheckCM(TokenClass.Group, Major.BeginGroup))
{
rtf.SkipGroup();
}
else if (rtf.rtf_class == TokenClass.Text)
{
StringBuilder sb;
sb = new StringBuilder();
while ((rtf.rtf_class != TokenClass.EOF) && (!rtf.CheckCM(TokenClass.Text, (Major)';')) && (!rtf.CheckCM(TokenClass.Group, Major.EndGroup)) && (!rtf.CheckCM(TokenClass.Group, Major.BeginGroup)))
{
sb.Append((char)rtf.major);
rtf.GetToken();
}
if (rtf.CheckCM(TokenClass.Group, Major.EndGroup))
{
rtf.UngetToken();
}
font.Name = sb.ToString();
continue;
#if RTF_DEBUG
}
else
{
Console.WriteLine("ReadFontTbl: Unknown token " + rtf.text_buffer);
#endif
}
rtf.GetToken();
}
if (old == 0)
{
rtf.GetToken();
if (!rtf.CheckCM(TokenClass.Group, Major.EndGroup))
{
throw new RTFException(rtf, "Missing \"}\"");
}
}
}
if (font == null)
{
throw new RTFException(rtf, "No font created");
}
if (font.Num == -1)
{
throw new RTFException(rtf, "Missing font number");
}
rtf.RouteToken();
}
private void ReadPictGroup(RTF rtf)
{
bool read_image_data = false;
Picture picture = new Picture();
while (true)
{
rtf.GetToken();
if (rtf.CheckCM(TokenClass.Group, Major.EndGroup))
{
break;
}
switch (minor)
{
case Minor.PngBlip:
picture.ImageType = minor;
read_image_data = true;
break;
case Minor.WinMetafile:
picture.ImageType = minor;
read_image_data = true;
continue;
case Minor.PicWid:
continue;
case Minor.PicHt:
continue;
case Minor.PicGoalWid:
picture.SetWidthFromTwips(param);
continue;
case Minor.PicGoalHt:
picture.SetHeightFromTwips(param);
continue;
}
if (read_image_data && rtf.rtf_class == TokenClass.Text)
{
picture.Data.Seek(0, SeekOrigin.Begin);
//char c = (char) rtf.major;
uint digitValue1;
uint digitValue2;
char hexDigit1 = (char)rtf.major;
char hexDigit2;
while (true)
{
while (hexDigit1 == '\n' || hexDigit1 == '\r')
{
hexDigit1 = (char)source.Peek();
if (hexDigit1 == '}')
{
break;
}
hexDigit1 = (char)source.Read();
}
hexDigit2 = (char)source.Peek();
if (hexDigit2 == '}')
{
break;
}
hexDigit2 = (char)source.Read();
while (hexDigit2 == '\n' || hexDigit2 == '\r')
{
hexDigit2 = (char)source.Peek();
if (hexDigit2 == '}')
{
break;
}
hexDigit2 = (char)source.Read();
}
if (Char.IsDigit(hexDigit1))
{
digitValue1 = (uint)(hexDigit1 - '0');
}
else if (Char.IsLower(hexDigit1))
{
digitValue1 = (uint)(hexDigit1 - 'a' + 10);
}
else if (Char.IsUpper(hexDigit1))
{
digitValue1 = (uint)(hexDigit1 - 'A' + 10);
}
else if (hexDigit1 == '\n' || hexDigit1 == '\r')
{
continue;
}
else
{
break;
}
if (Char.IsDigit(hexDigit2))
{
digitValue2 = (uint)(hexDigit2 - '0');
}
else if (Char.IsLower(hexDigit2))
{
digitValue2 = (uint)(hexDigit2 - 'a' + 10);
}
else if (Char.IsUpper(hexDigit2))
{
digitValue2 = (uint)(hexDigit2 - 'A' + 10);
}
else if (hexDigit2 == '\n' || hexDigit2 == '\r')
{
continue;
}
else
{
break;
}
picture.Data.WriteByte((byte)checked (digitValue1 * 16 + digitValue2));
// We get the first hex digit at the end, since in the very first
// iteration we use rtf.major as the first hex digit
hexDigit1 = (char)source.Peek();
if (hexDigit1 == '}')
{
break;
}
hexDigit1 = (char)source.Read();
}
read_image_data = false;
break;
}
}
if (picture.ImageType != Minor.Undefined && !read_image_data)
{
this.picture = picture;
SetToken(TokenClass.Control, Major.PictAttr, picture.ImageType, 0, String.Empty);
}
}