public RTFToken ReadToken()
{
bolFirstTokenInGroup = false;
myLastToken = myCurrentToken;
if (myLastToken != null && myLastToken.Type == RTFTokenType.GroupStart)
{
bolFirstTokenInGroup = true;
}
myCurrentToken = myLex.NextToken( );
if( myCurrentToken == null || myCurrentToken.Type == RTFTokenType.Eof )
{
myCurrentToken = null;
return null;
}
intTokenCount++;
if (myCurrentToken.Type == RTFTokenType.GroupStart)
{
if (_LayerStack.Count == 0)
{
_LayerStack.Push(new RTFRawLayerInfo());
}
else
{
RTFRawLayerInfo info = _LayerStack.Peek();
_LayerStack.Push(info.Clone());
}
intLevel++;
}
else if (myCurrentToken.Type == RTFTokenType.GroupEnd)
{
if (_LayerStack.Count > 0)
{
_LayerStack.Pop();
}
intLevel--;
}
if (this.EnableDefaultProcess)
{
this.DefaultProcess();
}
//if (myTokenStack.Count > 0)
//{
// myCurrentToken.Parent = (RTFToken)myTokenStack[myTokenStack.Count - 1];
//}
//myTokenStack.Add( myCurrentToken );
return myCurrentToken ;
}
/// <summary>
/// load rtf
/// </summary>
/// <param name="reader">RTF text reader</param>
public void Load(RTFReader reader)
{
MyNodes.Clear();
var groups = new Stack<RTFNodeGroup>();
RTFNodeGroup newGroup = null;
RTFNode newNode = null;
while (reader.ReadToken() != null)
{
if (reader.TokenType == RTFTokenType.GroupStart)
{
// begin group
if (newGroup == null)
{
newGroup = this;
}
else
{
newGroup = new RTFNodeGroup();
newGroup.OwnerDocument = this;
}
if (newGroup != this)
{
var g = groups.Peek();
g.AppendChild(newGroup);
}
groups.Push(newGroup);
}
else if (reader.TokenType == RTFTokenType.GroupEnd)
{
// end group
newGroup = groups.Pop();
newGroup.MergeText();
if (newGroup.FirstNode is RTFNode)
{
switch (newGroup.Keyword)
{
case RTFConsts.Fonttbl:
// read font table
ReadFontTable(newGroup);
break;
case RTFConsts.Colortbl:
// read color table
ReadColorTable(newGroup);
break;
case RTFConsts.Info:
// read document information
ReadDocumentInfo(newGroup);
break;
}
}
if (groups.Count > 0)
{
newGroup = groups.Peek();
}
else
{
break;
}
//NewGroup.MergeText();
}
else
{
// read content
newNode = new RTFNode(reader.CurrentToken);
newNode.OwnerDocument = this;
newGroup.AppendChild(newNode);
if (newNode.Keyword == RTFConsts.F)
{
var font = FontTable[newNode.Parameter];
if (font != null)
{
_myFontChartset = font.Encoding;
}
else
{
_myFontChartset = null;
}
//myFontChartset = RTFFont.GetRTFEncoding( NewNode.Parameter );
}
else if (newNode.Keyword == RTFConsts.Af)
{
var font = FontTable[newNode.Parameter];
if (font != null)
{
_myAssociateFontChartset = font.Encoding;
}
else
{
_myAssociateFontChartset = null;
}
}
}
} // while( reader.ReadToken() != null )
while (groups.Count > 0)
{
newGroup = groups.Pop();
newGroup.MergeText();
}
//this.UpdateInformation();
}