// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "fidl/attributes.h"

namespace fidl {

bool AttributesBuilder::Insert(std::unique_ptr<raw::Attribute> attribute) {
    auto attribute_name = attribute->name;
    auto attribute_location = attribute->location();
    auto result = InsertHelper(std::move(attribute));
    switch (result.kind) {
    case InsertResult::Kind::kDuplicate: {
        std::string message("duplicate attribute with name '");
        message.append(attribute_name);
        message.append("'");
        error_reporter_->ReportError(attribute_location, message);
        return false;
    }
    case InsertResult::Kind::kOk:
        return true;
    } // switch
}

std::vector<std::unique_ptr<raw::Attribute>> AttributesBuilder::Done() {
    return std::move(attributes_);
}

AttributesBuilder::InsertResult AttributesBuilder::InsertHelper(std::unique_ptr<raw::Attribute> attribute) {
    if (!names_.emplace(attribute->name).second) {
        return InsertResult(InsertResult::kDuplicate, "");
    }
    auto attribute_name = attribute->name;
    auto attribute_value = attribute->value;
    attributes_.push_back(std::move(attribute));
    return InsertResult(InsertResult::kOk, "");
}

} // namespace fidl