示例#1
0
        private static ObjectValueNode Rewrite(
            ObjectValueNode node,
            InputObjectType type,
            IVariableValueCollection variableValues)
        {
            if (node.Fields.Count == 0)
            {
                return(node);
            }

            if (node.Fields.Count == 1)
            {
                ObjectFieldNode value = node.Fields[0];

                return(type.Fields.TryGetField(value.Name.Value, out InputField? field) &&
                       TryRewriteField(value, field, variableValues, out ObjectFieldNode? rewritten)
                    ? node.WithFields(new[] { rewritten })
                    : node);
            }

            ObjectFieldNode[]? rewrittenItems = null;

            for (var i = 0; i < node.Fields.Count; i++)
            {
                ObjectFieldNode value = node.Fields[i];

                if (type.Fields.TryGetField(value.Name.Value, out InputField? field) &&
                    TryRewriteField(value, field, variableValues, out ObjectFieldNode? rewritten))
                {
                    if (rewrittenItems is null)
                    {
                        rewrittenItems = new ObjectFieldNode[node.Fields.Count];
                        for (var j = 0; j < node.Fields.Count; j++)
                        {
                            rewrittenItems[j] = node.Fields[j];
                        }
                    }
                    rewrittenItems[i] = rewritten;
                }
                else if (rewrittenItems is not null)
                {
                    rewrittenItems[i] = node.Fields[i];
                }
            }

            if (rewrittenItems is not null)
            {
                return(node.WithFields(rewrittenItems));
            }

            return(node);
        }
        private static ObjectValueNode Rewrite(
            ObjectValueNode node,
            IVariableValueCollection variableValues)
        {
            if (node.Fields.Count == 0)
            {
                return(node);
            }

            if (node.Fields.Count == 1)
            {
                if (TryRewriteField(node.Fields[0], variableValues, out ObjectFieldNode? rewritten))
                {
                    return(node.WithFields(new[] { rewritten }));
                }
                return(node);
            }

            ObjectFieldNode[]? rewrittenItems = null;

            for (int i = 0; i < node.Fields.Count; i++)
            {
                if (TryRewriteField(node.Fields[i], variableValues, out ObjectFieldNode? rewritten))
                {
                    if (rewrittenItems is null)
                    {
                        rewrittenItems = new ObjectFieldNode[node.Fields.Count];
                        for (int j = 0; j < node.Fields.Count; j++)
                        {
                            rewrittenItems[j] = node.Fields[j];
                        }
                    }
                    rewrittenItems[i] = rewritten;
                }
                else if (rewrittenItems is { })