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79 lines
2.1 KiB
C++
79 lines
2.1 KiB
C++
/*
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* Copyright (c) 2025, stelar7 <dudedbz@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/IndexedDB/Internal/Index.h>
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#include <LibWeb/IndexedDB/Internal/ObjectStore.h>
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namespace Web::IndexedDB {
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GC_DEFINE_ALLOCATOR(Index);
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Index::~Index() = default;
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GC::Ref<Index> Index::create(JS::Realm& realm, GC::Ref<ObjectStore> store, String const& name, KeyPath const& key_path, bool unique, bool multi_entry)
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{
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return realm.create<Index>(store, name, key_path, unique, multi_entry);
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}
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Index::Index(GC::Ref<ObjectStore> store, String const& name, KeyPath const& key_path, bool unique, bool multi_entry)
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: m_object_store(store)
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, m_name(name)
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, m_unique(unique)
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, m_multi_entry(multi_entry)
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, m_key_path(key_path)
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{
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store->index_set().set(name, *this);
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}
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void Index::visit_edges(Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_object_store);
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for (auto& record : m_records) {
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visitor.visit(record.key);
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visitor.visit(record.value);
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}
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}
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void Index::set_name(String name)
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{
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// NOTE: Update the key in the map so it still matches the name
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auto old_value = m_object_store->index_set().take(m_name).release_value();
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m_object_store->index_set().set(name, old_value);
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m_name = move(name);
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}
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bool Index::has_record_with_key(GC::Ref<Key> key)
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{
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auto index = m_records.find_if([&key](auto const& record) {
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return Key::equals(record.key, key);
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});
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return index != m_records.end();
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}
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// https://w3c.github.io/IndexedDB/#index-referenced-value
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HTML::SerializationRecord Index::referenced_value(IndexRecord const& index_record) const
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{
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// Records in an index are said to have a referenced value.
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// This is the value of the record in the index’s referenced object store which has a key equal to the index’s record’s value.
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return m_object_store
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->records()
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.first_matching([&](auto const& store_record) {
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return Key::equals(store_record.key, index_record.value);
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})
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.value()
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.value;
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}
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void Index::clear_records()
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{
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m_records.clear();
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}
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}
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