82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
////////////////////////////////////////////////////////////////////////////
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//
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// Copyright 2015 Realm Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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////////////////////////////////////////////////////////////////////////////
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#include "list.hpp"
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#include <stdexcept>
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using namespace realm;
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size_t List::size() {
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verify_attached();
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return m_link_view->size();
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}
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Row List::get(std::size_t row_ndx) {
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verify_attached();
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verify_valid_row(row_ndx);
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return m_link_view->get(row_ndx);
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}
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void List::set(std::size_t row_ndx, std::size_t target_row_ndx) {
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verify_attached();
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verify_in_tranaction();
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verify_valid_row(row_ndx);
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m_link_view->set(row_ndx, target_row_ndx);
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}
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void List::add(std::size_t target_row_ndx) {
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verify_attached();
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verify_in_tranaction();
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m_link_view->add(target_row_ndx);
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}
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void List::insert(std::size_t row_ndx, std::size_t target_row_ndx) {
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verify_attached();
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verify_in_tranaction();
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verify_valid_row(row_ndx, true);
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m_link_view->insert(row_ndx, target_row_ndx);
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}
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void List::remove(std::size_t row_ndx) {
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verify_attached();
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verify_in_tranaction();
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verify_valid_row(row_ndx);
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m_link_view->remove(row_ndx);
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}
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void List::verify_valid_row(std::size_t row_ndx, bool insertion) {
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size_t size = m_link_view->size();
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if (row_ndx > size || (!insertion && row_ndx == size)) {
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throw std::out_of_range(std::string("Index ") + std::to_string(row_ndx) + " is outside of range 0..." + std::to_string(size) + ".");
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}
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}
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void List::verify_attached() {
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if (!m_link_view->is_attached()) {
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throw std::runtime_error("Tableview is not attached");
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}
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m_link_view->sync_if_needed();
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}
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void List::verify_in_tranaction() {
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if (!m_realm->is_in_transaction()) {
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throw std::runtime_error("Can only mutate a list within a transaction.");
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}
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}
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