// Total number of children left, not capped by _maxChildren.
async Task <int> CountChildrenUncappedAsync()
{
if (_entity is IHasChildrenLimit entityWithChildrenLimit)
{
entityWithChildrenLimit.ChildrenLimit = _offset + _maxChildren + 1;
}
return(await _entity.CountChildrenAsync() - _offset);
}
public static async Task <IVariableInformation[]> GetAllChildrenAsync(
this IVariableInformation varInfo)
{
IChildAdapter childAdapter = varInfo.GetChildAdapter();
return((await childAdapter.GetChildrenAsync(0, await childAdapter.CountChildrenAsync()))
.ToArray());
}
protected override async Task <int> InitChildrenCountAsync()
{
if (string.IsNullOrWhiteSpace(_expandedItem?.Value))
{
return(0);
}
await InitChildAdapterAsync();
return(await _childAdapter.CountChildrenAsync());
}
async Task <string[]> GetAllChildFormatSpecifiersAsync(IChildAdapter childAdapter)
{
return((await childAdapter.GetChildrenAsync(0, await childAdapter.CountChildrenAsync()))
.Select(child => child.FormatSpecifier)
.ToArray());
}
async Task <string[]> GetAllChildNamesAsync(IChildAdapter childAdapter)
{
return((await childAdapter.GetChildrenAsync(0, await childAdapter.CountChildrenAsync()))
.Select(child => child.DisplayName)
.ToArray());
}
public async Task <int> CountChildrenAsync()
{
await InitAsync();
return(await _adapter.CountChildrenAsync());
}
static async Task <string> FormatChildrenListAsync(IVariableInformation varInfo,
int charactersLeft,
string noChildrenMarker = "")
{
IChildAdapter children = varInfo.GetChildAdapter();
if (children is INatvisEntity)
{
return("");
}
int childrenCount = await children.CountChildrenAsync();
const int maxChildren = 3;
StringBuilder sb = new StringBuilder();
sb.Append("{");
for (int i = 0; i < childrenCount; i++)
{
try
{
IVariableInformation currentChild =
(await children.GetChildrenAsync(i, 1)).ElementAt(0).GetCachedView();
// For array elements or pointers, we do not display the child name.
// Also array elements are separated by commas. We detect the array elements
// using a somewhat hacky way - we check if their name is the index in
// square brackets.
bool isArrayElementOrPointee =
currentChild.DisplayName == $"[{i}]" || currentChild.DisplayName == "";
if (i != 0)
{
sb.Append(isArrayElementOrPointee ? ", " : " ");
}
// If we are over the limit, let us just display the dots and exit.
if (!isArrayElementOrPointee && i >= maxChildren)
{
sb.Append("...");
break;
}
string childValue =
await BuildAsync(currentChild, charactersLeft - sb.Length - 1);
if (string.IsNullOrEmpty(childValue) && currentChild.GetChildAdapter()
is INatvisEntity)
{
childValue = "{...}";
}
else if (childValue == "..." || string.IsNullOrEmpty(childValue))
{
sb.Append(childValue);
break;
}
if (!isArrayElementOrPointee)
{
sb.Append($"{currentChild.DisplayName}=");
}
sb.Append(childValue);
}
catch (ArgumentOutOfRangeException)
{
break;
}
}
if (childrenCount == 0)
{
sb.Append(noChildrenMarker);
}
sb.Append("}");
return(sb.ToString());
}
public async Task <int> GetChildrenCountAsync() => await _childAdapter.CountChildrenAsync();