/// <summary>
/// Replace words in a document.
/// </summary>
/// <param name="wordlist">List of words to run replacement function for.</param>
/// <param name="handler">Word replacement delegate.</param>
public static void ReplaceText(XDocWord[] wordlist, ReplacementHandler handler)
{
if (wordlist == null)
{
throw new ArgumentNullException("wordlist");
}
if (handler == null)
{
throw new ArgumentNullException("handler");
}
// loop through words backwards
for (int i = wordlist.Length - 1; i >= 0; --i)
{
XDocWord word = wordlist[i];
if (word.IsText)
{
XmlNode replacement = handler(word.Node.OwnerDocument, word);
if (replacement != null)
{
// split the node
XmlText node = (XmlText)word.Node;
// split off the part after the text
if (node.Value.Length > (word.Offset + word.Value.Length))
{
node.SplitText(word.Offset + word.Value.Length);
}
// split off the part before the text
if (word.Offset > 0)
{
node = node.SplitText(word.Offset);
}
// replace text with new result
node.ParentNode.InsertAfter(replacement, node);
node.ParentNode.RemoveChild(node);
}
}
}
}
/// <summary>
/// Replace words in a document.
/// </summary>
/// <param name="wordlist">List of words to run replacement function for.</param>
/// <param name="handler">Word replacement delegate.</param>
public static void ReplaceText(XDocWord[] wordlist, ReplacementHandler handler)
{
if(wordlist == null) {
throw new ArgumentNullException("wordlist");
}
if(handler == null) {
throw new ArgumentNullException("handler");
}
// loop through words backwards
for(int i = wordlist.Length - 1; i >= 0; --i) {
XDocWord word = wordlist[i];
if(word.IsText) {
XmlNode replacement = handler(word.Node.OwnerDocument, word);
if(replacement != null) {
// split the node
XmlText node = (XmlText)word.Node;
// split off the part after the text
if(node.Value.Length > (word.Offset + word.Value.Length)) {
node.SplitText(word.Offset + word.Value.Length);
}
// split off the part before the text
if(word.Offset > 0) {
node = node.SplitText(word.Offset);
}
// replace text with new result
node.ParentNode.InsertAfter(replacement, node);
node.ParentNode.RemoveChild(node);
}
}
}
}