/**
* Dispatch the token to the correct control word handling object.
*
* @param ctrlWordData The <code>RtfCtrlWordData</code> object with control word and param
* @param groupLevel The current document group parsing level
* @return errOK if ok, otherwise an error code.
*/
private int DispatchKeyword(RtfCtrlWordData ctrlWordData, int groupLevel)
{
int result = RtfParser.errOK;
if (ctrlWordData != null)
{
RtfCtrlWordHandler ctrlWord = ctrlWordMap.GetCtrlWordHandler(ctrlWordData.ctrlWord);
if (ctrlWord != null)
{
ctrlWord.HandleControlword(ctrlWordData);
if (debug && debugFound)
{
Console.Out.WriteLine("Keyword found:" +
" New:" + ctrlWordData.ctrlWord +
" Param:" + ctrlWordData.param +
" bParam=" + ctrlWordData.hasParam.ToString());
}
}
else
{
result = RtfParser.errCtrlWordNotFound;
//result = RtfParser2.errAssertion;
if (debug && debugNotFound)
{
Console.Out.WriteLine("Keyword unknown:" +
" New:" + ctrlWordData.ctrlWord +
" Param:" + ctrlWordData.param +
" bParam=" + ctrlWordData.hasParam.ToString());
}
}
}
return(result);
}
private bool AfterCtrlWord(RtfCtrlWordData ctrlWordData)
{
foreach (IRtfCtrlWordListener listener in listeners)
{
listener.AfterCtrlWord(ctrlWordData);
}
return(true);
}
/**
* Internal to control word manager class.
*
* @param ctrlWordData The <code>RtfCtrlWordData</code> object with control word and param
* @param groupLevel The current document group parsing level
* @return errOK if ok, otherwise an error code.
*/
public int HandleKeyword(RtfCtrlWordData ctrlWordData, int groupLevel)
{
//TODO: May be used for event handling.
int result = RtfParser.errOK;
// Call before handler event here
BeforeCtrlWord(ctrlWordData);
result = DispatchKeyword(ctrlWordData, groupLevel);
// call after handler event here
AfterCtrlWord(ctrlWordData);
return(result);
}
/**
* The primary control word handler method.
* Called by the parser once it has a control word and parameter if applicable.
*
* @param ctrlWordDataIn
* The control word and associated parameter if applicable.
* @return
* <code>true</code> or <code>false</code> if the control word was handled.
* @since 2.0.8
*/
public bool HandleControlword(RtfCtrlWordData ctrlWordDataIn)
{
bool result = false;
this.ctrlWordData = ctrlWordDataIn;
RtfDestination dest = null;
bool handled = false;
this.ctrlWordData.prefix = this.ctrlWordPrefix;
this.ctrlWordData.suffix = this.ctrlWordSuffix;
this.ctrlWordData.newGroup = this.rtfParser.GetState().newGroup;
this.ctrlWordData.ctrlWordType = this.ctrlWordType;
this.ctrlWordData.specialHandler = this.specialHandler;
if (!this.ctrlWordData.hasParam && this.passDefaultParameterValue)
{
this.ctrlWordData.hasParam = true;
this.ctrlWordData.param = this.defaultParameterValue.ToString();
}
if (debug)
{
PrintDebug("handleKeyword: [" + this.ctrlWordData.ctrlWord + "] param=" + ctrlWordDataIn.param);
RtfParser.OutputDebug(this.rtfParser.GetRtfDocument(), this.rtfParser.GetLevel() + 1, "RtfCtrlWordHandler debug Start: " + this.ctrlWordData.ctrlWord + " ");
}
if (this.ctrlWordData.ctrlWord.Equals("*"))
{
return(true);
}
if (!BeforeControlWord())
{
return(true);
}
switch (this.ctrlWordType)
{
case RtfCtrlWordType.FLAG:
case RtfCtrlWordType.TOGGLE:
case RtfCtrlWordType.VALUE:
dest = this.rtfParser.GetCurrentDestination();
if (dest != null)
{
handled = dest.HandleControlWord(this.ctrlWordData);
}
break;
case RtfCtrlWordType.SYMBOL:
dest = this.rtfParser.GetCurrentDestination();
if (dest != null)
{
String data = null;
// if doing an import, then put the control word in the output stream through the character handler
if (this.rtfParser.IsImport())
{
data = this.ctrlWordPrefix + this.ctrlWordData.ctrlWord + this.ctrlWordSuffix;
}
if (this.rtfParser.IsConvert())
{
data = this.specialHandler;
}
// If there is a substitute character, process the character.
// If no substitute character, then provide special handling in the destination for the ctrl word.
if (data != null)
{
foreach (char cc in data.ToCharArray())
{
handled = dest.HandleCharacter((int)cc);
}
}
else
{
handled = dest.HandleControlWord(this.ctrlWordData);
}
}
break;
case RtfCtrlWordType.DESTINATION_EX:
case RtfCtrlWordType.DESTINATION:
// set the destination
int x = 0;
if (this.ctrlWord == "shppict" || this.ctrlWord == "nonshppict")
{
x++;
}
handled = this.rtfParser.SetCurrentDestination(this.ctrlWord);
// let destination handle the ctrl word now.
dest = this.rtfParser.GetCurrentDestination();
if (dest != null)
{
if (dest.GetNewTokeniserState() == RtfParser.TOKENISER_IGNORE_RESULT)
{
handled = dest.HandleControlWord(this.ctrlWordData);
}
else
{
this.rtfParser.SetTokeniserState(dest.GetNewTokeniserState());
}
}
break;
}
AfterControlWord();
if (debug)
{
RtfParser.OutputDebug(this.rtfParser.GetRtfDocument(), this.rtfParser.GetLevel() + 1, "RtfCtrlWordHandler debug End: " + this.ctrlWordData.ctrlWord + " ");
}
return(result);
}
