private void ResolveInlineFragment(
CompilerContext context,
InlineFragmentNode inlineFragment,
SelectionIncludeCondition?includeCondition)
{
if (inlineFragment.SelectionSet.Selections.Count == 0)
{
throw OperationCompiler_FragmentNoSelections(inlineFragment);
}
if (_fragments.GetFragment(context.Type, inlineFragment) is { } fragmentInfo&&
DoesTypeApply(fragmentInfo.TypeCondition, context.Type))
{
var reference = new SpreadReference(context.SelectionPath, inlineFragment);
if (!context.Spreads.TryGetValue(reference, out var selectionSet))
{
selectionSet = inlineFragment.SelectionSet.WithSelections(
inlineFragment.SelectionSet.Selections);
context.Spreads.Add(reference, selectionSet);
}
if (inlineFragment.IsDeferrable() &&
AllowFragmentDeferral(context, inlineFragment))
{
CompilerContext deferContext = context.Branch(selectionSet);
CompileSelectionSet(deferContext);
context.RegisterFragment(new Fragment(
_nextFragmentId++,
context.Type,
inlineFragment,
deferContext.GetSelectionSet(),
context.IsInternalSelection,
includeCondition));
}
else
{
CollectFields(
context,
selectionSet,
includeCondition);
}
}
}
private void ResolveFragmentSpread(
CompilerContext context,
FragmentSpreadNode fragmentSpread,
SelectionIncludeCondition?includeCondition)
{
if (_fragments.GetFragment(fragmentSpread.Name.Value) is { } fragmentInfo&&
DoesTypeApply(fragmentInfo.TypeCondition, context.Type))
{
FragmentDefinitionNode fragmentDefinition = fragmentInfo.FragmentDefinition !;
if (fragmentDefinition.SelectionSet.Selections.Count == 0)
{
throw OperationCompiler_FragmentNoSelections(fragmentDefinition);
}
var reference = new SpreadReference(context.SelectionPath, fragmentSpread);
if (!context.Spreads.TryGetValue(reference, out SelectionSetNode? selectionSet))
{
selectionSet = fragmentDefinition.SelectionSet.WithSelections(
fragmentDefinition.SelectionSet.Selections);
context.Spreads.Add(reference, selectionSet);
}
if (fragmentSpread.IsDeferrable() &&
AllowFragmentDeferral(context, fragmentSpread, fragmentDefinition))
{
CompilerContext deferContext = context.Branch(selectionSet);
CompileSelectionSet(deferContext);
context.RegisterFragment(new Fragment(
_nextFragmentId++,
context.Type,
fragmentSpread,
fragmentDefinition,
deferContext.GetSelectionSet(),
context.IsInternalSelection,
includeCondition));
}
else
{
CollectFields(context, selectionSet, includeCondition);
}
}
}