Unfortunately, we have thousands of templates that are like this that would need to be converted to using mail merge fields and doing it manually isn’t an option, I’m afraid.
using System;
using System.Collections;
using System.Diagnostics;
using System.Text.RegularExpressions;
using Aspose.Words;
namespace AsposePlayground
{
internal class Program
{
public static readonly Regex ReplacementCodeRegex = new Regex(@"{r(?.*?)?}", RegexOptions.Multiline);
private static int _replacementCount;
private static void Main(string[] args)
{
var license = new License();
license.SetLicense(“Aspose.Total.lic”);
var doc = new Document(@“sampletemplate.doc”);
Stopwatch sw = Stopwatch.StartNew();
doc.Range.Replace(ReplacementCodeRegex, new ReplaceEvaluatorFindAndInsertMergefield(), true);
sw.Stop();
Console.WriteLine(String.Format(“Processed {0} fields in {1} minutes.”, _replacementCount, sw.Elapsed.Minutes));
doc.Save(@“mailmergetemplate.doc”);
}
#region Nested type: ReplaceEvaluatorFindAndInsertMergefield
private sealed class ReplaceEvaluatorFindAndInsertMergefield : IReplacingCallback
{
#region IReplacingCallback Members
///
/// This method is called by the Aspose.Words find and replace engine for each match.
/// This method highlights the match string, even if it spans multiple runs.
///
ReplaceAction IReplacingCallback.Replacing(ReplacingArgs e)
{
// This is a Run node that contains either the beginning or the complete match.
Node currentNode = e.MatchNode;
// The first (and may be the only) run can contain text before the match,
// in this case it is necessary to split the run.
if (e.MatchOffset > 0)
currentNode = SplitRun((Run) currentNode, e.MatchOffset);
// This array is used to store all nodes of the match for further removing.
var runs = new ArrayList();
// Find all runs that contain parts of the match string.
int remainingLength = e.Match.Value.Length;
while (
(remainingLength > 0) &&
(currentNode != null) &&
(currentNode.GetText().Length <= remainingLength))
{
runs.Add(currentNode);
remainingLength = remainingLength - currentNode.GetText().Length;
// Select the next Run node.
// Have to loop because there could be other nodes such as BookmarkStart etc.
do
{
currentNode = currentNode.NextSibling;
} while ((currentNode != null) && (currentNode.NodeType != NodeType.Run));
}
// Split the last run that contains the match if there is any text left.
if ((currentNode != null) && (remainingLength > 0))
{
SplitRun((Run) currentNode, remainingLength);
runs.Add(currentNode);
}
// Create Document Buidler aond insert MergeField
var builder = new DocumentBuilder(e.MatchNode.Document as Document);
builder.MoveTo((Run) runs[runs.Count - 1]);
string fieldName = e.Match.Groups[“code”].Value;
builder.InsertField(string.Format(“MERGEFIELD {0}”, fieldName), string.Format("«{0}»", fieldName));
_replacementCount++;
// Now remove all runs in the sequence.
foreach (Run run in runs)
run.Remove();
// Signal to the replace engine to do nothing because we have already done all what we wanted.
return ReplaceAction.Skip;
}
#endregion
///
/// Splits text of the specified run into two runs.
/// Inserts the new run just after the specified run.
///
private static Run SplitRun(Run run, int position)
{
var afterRun = (Run) run.Clone(true);
afterRun.Text = run.Text.Substring(position);
run.Text = run.Text.Substring(0, position);
run.ParentNode.InsertAfter(afterRun, run);
return afterRun;
}
}
#endregion
}
}