/// <summary>
/// search child node special keyword
/// </summary>
/// <param name="Key">special keyword</param>
/// <param name="Deeply">whether search deeplyl</param>
/// <returns>node find</returns>
public RTFNode SearchKey(string Key, bool Deeply)
{
foreach (RTFNode node in myNodes)
{
if (node.Type == RTFNodeType.Keyword ||
node.Type == RTFNodeType.ExtKeyword ||
node.Type == RTFNodeType.Control)
{
if (node.Keyword == Key)
{
return(node);
}
}
if (Deeply)
{
if (node is RTFNodeGroup)
{
RTFNodeGroup g = ( RTFNodeGroup )node;
RTFNode n = g.SearchKey(Key, true);
if (n != null)
{
return(n);
}
}
}
}
return(null);
}
private DateTime ReadDateTime(RTFNode g)
{
int yr = g.Nodes.GetParameter("yr", 1900);
int mo = g.Nodes.GetParameter("mo", 1);
int dy = g.Nodes.GetParameter("dy", 1);
int hr = g.Nodes.GetParameter("hr", 0);
int min = g.Nodes.GetParameter("min", 0);
int sec = g.Nodes.GetParameter("sec", 0);
return(new DateTime(yr, mo, dy, hr, min, sec));
}
/// <summary>
/// delete node
/// </summary>
/// <param name="node">node</param>
public void RemoveChild(RTFNode node)
{
CheckNodes();
if (node == null)
{
throw new System.ArgumentNullException("node");
}
if (node == this)
{
throw new System.ArgumentException("node != this");
}
this.Nodes.Remove(node);
}
/// <summary>
/// insert node
/// </summary>
/// <param name="index">index</param>
/// <param name="node">node</param>
public void InsertNode(int index, RTFNode node)
{
CheckNodes();
if (node == null)
{
throw new System.ArgumentNullException("node");
}
if (node == this)
{
throw new System.ArgumentException("node != this");
}
node.Parent = this;
node.OwnerDocument = myOwnerDocument;
this.Nodes.Insert(index, node);
}
/// <summary>
/// append child node
/// </summary>
/// <param name="node">node</param>
public void AppendChild(RTFNode node)
{
CheckNodes();
if (node == null)
{
throw new System.ArgumentNullException("node");
}
if (node == this)
{
throw new System.ArgumentException("node != this");
}
node.Parent = this;
node.OwnerDocument = myOwnerDocument;
this.Nodes.Add(node);
}
/// <summary>
/// load rtf
/// </summary>
/// <param name="reader">RTF text reader</param>
public void Load(RTFReader reader)
{
myNodes.Clear();
System.Collections.Stack groups = new System.Collections.Stack();
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)
{
RTFNodeGroup g = ( RTFNodeGroup )groups.Peek();
g.AppendChild(NewGroup);
}
groups.Push(NewGroup);
}
else if (reader.TokenType == RTFTokenType.GroupEnd)
{
// end group
NewGroup = ( RTFNodeGroup )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 = (RTFNodeGroup)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)
{
RTFFont font = this.FontTable[NewNode.Parameter];
if (font != null)
{
myFontChartset = font.Encoding;
}
else
{
myFontChartset = null;
}
//myFontChartset = RTFFont.GetRTFEncoding( NewNode.Parameter );
}
else if (NewNode.Keyword == RTFConsts._af)
{
RTFFont font = this.FontTable[NewNode.Parameter];
if (font != null)
{
myAssociateFontChartset = font.Encoding;
}
else
{
myAssociateFontChartset = null;
}
}
}
} // while( reader.ReadToken() != null )
while (groups.Count > 0)
{
NewGroup = ( RTFNodeGroup )groups.Pop();
NewGroup.MergeText();
}
//this.UpdateInformation();
}
/// <summary>
/// insert node
/// </summary>
/// <param name="index">index</param>
/// <param name="node">node</param>
internal void Insert(int index, RTFNode node)
{
this.List.Insert(index, node);
}
/// <summary>
/// remvoe node
/// </summary>
/// <param name="node">node</param>
internal void Remove(RTFNode node)
{
this.Remove(node);
}
/// <summary>
/// add node
/// </summary>
/// <param name="node">node</param>
internal void Add(RTFNode node)
{
//node.OwnerList = this ;
this.List.Add(node);
}
/// <summary>
/// get index of node in this list
/// </summary>
/// <param name="node">node</param>
/// <returns>index , if node does no in this list , return -1</returns>
public int IndexOf(RTFNode node)
{
return(this.List.IndexOf(node));
}
