public OutlineSettings GetStorableData(ITextSnapshot snapshot)
{
OutlineSettings settings = new OutlineSettings();
foreach ( var trackingSpan in this.regions ) {
SnapshotSpan span = trackingSpan.GetSpan(snapshot);
if ( !span.IsEmpty ) {
settings.Regions.Add(new Tuple<int, int>(span.Start, span.Length));
}
}
return settings;
}
public void LoadStoredData(ITextSnapshot snapshot, OutlineSettings settings)
{
foreach ( var region in settings.Regions ) {
int start = region.Item1;
int len = region.Item2;
if ( start >= snapshot.Length || (start+len) > snapshot.Length ) {
continue;
}
SnapshotSpan span = new SnapshotSpan(snapshot, start, len);
this.Add(span);
}
}
public void CanWrite()
{
var writer = new StringWriter();
using ( var jw = new JsonTextWriter(writer) ) {
OutlineSettings os = new OutlineSettings();
os.Regions.Add(new Tuple<int, int>(10, 32));
os.Regions.Add(new Tuple<int, int>(27, 15));
os.Save(jw);
}
var jo = JObject.Parse(writer.ToString());
Assert.Equal(10, (int)jo["regions"][0]["start"]);
Assert.Equal(15, (int)jo["regions"][1]["length"]);
}
public void CanRead()
{
String json = @"
{ 'regions': [
{ 'start': 10, 'length': 20 },
{ 'start': 45, 'length': 30 }
]}";
using ( var reader = NewReader(json) ) {
OutlineSettings os = new OutlineSettings();
os.Read(reader);
Assert.Equal(2, os.Regions.Count);
Assert.Equal(10, os.Regions[0].Item1);
Assert.Equal(30, os.Regions[1].Item2);
}
}