public bool Process(TextDocument doc) {
bool changes = false;
List<TextBlock> blocks = doc.TextBlocks;
var blocksNew = new List<TextBlock>();
foreach (TextBlock tb in blocks) {
string text = tb.Text;
string[] paragraphs = Regex.Split(text, "[\n\r]+");
if (paragraphs.Length < 2) {
blocksNew.Add(tb);
continue;
}
bool isContent = tb.IsContent;
List<string> labels = (tb.Labels ?? Enumerable.Empty<string>()).ToList();
foreach (String p in paragraphs) {
var tbP = new TextBlock(p) { IsContent = isContent };
tbP.AddLabels(labels);
blocksNew.Add(tbP);
changes = true;
}
}
if (changes) {
blocks.Clear();
blocks.AddRange(blocksNew);
}
return changes;
}
protected virtual void AddLabelsTo(TextBlock tb) {
tb.AddLabels(Labels);
}