/// <summary>
/// Prepares the text adding marks at the end of each regular expression (Programming sentence)
/// so they can be deleted easily after generating the report.-
/// </summary>
private void PreprocessText()
{
if (!_preprocessText)
{
return;
}
//Check to see if must work with RTF or plain text format.
idFmt = TextFormat == ETextFormat.Text ? (IDocumentFormat) new TextFormat() : (IDocumentFormat) new RTFFormat();
//Get Matches for any possible placeholder
Regex regex0 = CommonMethods.GetRegex(KeywordsRegExString);
MatchCollection matchCollInit = regex0.Matches(_RTFText.ToString());
//Replaces every 'new line' sequence with '\DEL' sequence.
foreach (Match m in matchCollInit)
{
int i = RTFInput.ToString().IndexOf(idFmt.NewLine, m.Index);
if (i >= 0)
{
RTFInput = RTFInput.Remove(i, idFmt.NewLine.Length);
RTFInput = RTFInput.Insert(i, "\\DEL");
}
}
RTFInput = RTFInput.Replace("\\DEL", "");
}
private IControlBlock CloseControlBlock(IControlBlock closingNode /*, int matchIndex*/)
{
IControlBlock cb = closingNode;
cb.MatchEnd = RTFInput.Length;
cb.CloseRegEx = null;
closingNode.End = RTFInput.Length;
closingNode.InnerText = RTFInput.ToString().InnerString(closingNode.Start, closingNode.End).Trim(); // TODO: CAMBIO RTFInput.ToString().InnerString(closingNode.Start, closingNode.End);
closingNode = closingNode.Parent;
return(closingNode);
}
private IControlBlock CloseControlBlock(IControlBlock closingNode, Match match)
{
IControlBlock cb = (IControlBlock)closingNode;
cb.MatchEnd = match.Index + match.Length;
cb.CloseRegEx = match;
closingNode.End = match.Index;
closingNode.InnerText = RTFInput.ToString().InnerString(closingNode.Start, closingNode.End).Trim(); // TODO: CAMBIO RTFInput.ToString().InnerString(closingNode.Start, closingNode.End);
closingNode = closingNode.Parent;
return(closingNode);
}
private void GetControlBlocks()
{
bool fetchedTrailingText = false;
//Locate and put an special mark on the "progamming sentences" so it's easier to find and delete them later.
PreprocessText();
Regex regex = CommonMethods.GetRegex(KeywordsRegExString);
matchCollection = regex.Matches(RTFInput.ToString());
#region Set up the document's root
documentNode = new TextBlock(true);
documentNode.Start = 0;
if (matchCollection.Count > 0)
{
documentNode.End = matchCollection[0].Index - 1;
}
else
{
documentNode.End = RTFInput.Length;
}
documentNode.InnerText = RTFInput.ToString().InnerString(documentNode.Start, documentNode.End).Trim();
documentNode.DocumentParser = this;
IControlBlock currentNode = documentNode;
#endregion
int currRegex = 0;
foreach (Match match in matchCollection)
{
#region Create the tree of control blocks
switch (GetKeyWord(match))
{
case KeyWords.SCAN:
{
//Closes the Texblok immediately before this SCAN
if (!currentNode.IsRoot)
{
currentNode = CloseControlBlock(currentNode, match);
}
IControlBlock scan = CreateScan(currentNode, match, false);
//Creates a new TextBlock as a child of this scan
currentNode = CreateTextBlock(match, scan);
break;
}
case KeyWords.SCAN_FOR:
{
//Closes the Texblok immediately before this SCAN
if (!currentNode.IsRoot)
{
currentNode = CloseControlBlock(currentNode, match);
}
IControlBlock scan = CreateScan(currentNode, match, true);
currentNode = CreateTextBlock(match, scan);
break;
}
case KeyWords.IF:
{
//Closes the Texblok immediately before this if
if (!currentNode.IsRoot)
{
currentNode = CloseControlBlock(currentNode, match);
}
IControlBlock ifBlock = new IfBlock(match, this);
ifBlock.OpenRegEx = match;
ifBlock.MatchStart = match.Index;
ifBlock.Start = match.Index + match.Length;
ifBlock.DocumentParser = this;
ifBlock.Parent = currentNode;
currentNode.Children.Add(ifBlock);
//Create a new TextBlock for the "true" part of the if
currentNode = CreateTextBlock(match, ifBlock);
break;
}
case KeyWords.ELSE:
{
//Close the 'true' part of the if
currentNode = CloseControlBlock(currentNode, match);
// Create the 'Else' part
currentNode = CreateTextBlock(match, currentNode);
break;
}
case KeyWords.ENDIF:
{
//Close the 'true' or the 'false' part of the if
currentNode = CloseControlBlock(currentNode, match);
//Close the embracing 'if' block
currentNode = CloseControlBlock(currentNode, match);
currentNode = CreateTextBlock(match, currentNode);
if (currRegex == matchCollection.Count - 1) //There are no more regexes ahead
{
//It's the end of the document, close the textblock right here
currentNode = CloseControlBlock(currentNode);
fetchedTrailingText = true;
}
break;
}
case KeyWords.ENDSCAN:
{
if (currentNode is TextBlock)
{
currentNode = CloseControlBlock(currentNode, match);
}
currentNode = CloseControlBlock(currentNode, match);
currentNode = CreateTextBlock(match, currentNode);
if (currRegex == matchCollection.Count - 1) //There are no more regexes ahead
{
//It's the end of the document, close the textblock right here
currentNode = CloseControlBlock(currentNode);
fetchedTrailingText = true;
}
break;
}
}
currRegex++;
#endregion
}
Match startMatch = null;
if (matchCollection.Count > 0 && !fetchedTrailingText)
{
startMatch = matchCollection[currRegex - 1];
IControlBlock trailingText = CreateTextBlock(startMatch, currentNode);
currentNode = CloseControlBlock(trailingText);
}
}
