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// Copyright 2016 The Chromium 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 "third_party/blink/public/common/indexeddb/indexed_db_default_mojom_traits.h"
#include <utility>
#include "base/stl_util.h"
#include "mojo/public/cpp/base/string16_mojom_traits.h"
#include "third_party/blink/public/common/indexeddb/indexeddb_key.h"
#include "third_party/blink/public/common/indexeddb/indexeddb_key_range.h"
#include "third_party/blink/public/common/indexeddb/indexeddb_metadata.h"
#include "third_party/blink/public/mojom/indexeddb/indexeddb.mojom.h"
namespace mojo {
using blink::mojom::IDBOperationType;
// static
bool StructTraits<blink::mojom::IDBDatabaseMetadataDataView,
blink::IndexedDBDatabaseMetadata>::
Read(blink::mojom::IDBDatabaseMetadataDataView data,
blink::IndexedDBDatabaseMetadata* out) {
out->id = data.id();
if (!data.ReadName(&out->name))
return false;
out->version = data.version();
out->max_object_store_id = data.max_object_store_id();
MapDataView<int64_t, blink::mojom::IDBObjectStoreMetadataDataView>
object_stores;
data.GetObjectStoresDataView(&object_stores);
for (size_t i = 0; i < object_stores.size(); ++i) {
const int64_t key = object_stores.keys()[i];
blink::IndexedDBObjectStoreMetadata object_store;
if (!object_stores.values().Read(i, &object_store))
return false;
DCHECK_EQ(out->object_stores.count(key), 0UL);
out->object_stores[key] = object_store;
}
out->was_cold_open = data.was_cold_open();
return true;
}
// static
bool StructTraits<
blink::mojom::IDBIndexKeysDataView,
blink::IndexedDBIndexKeys>::Read(blink::mojom::IDBIndexKeysDataView data,
blink::IndexedDBIndexKeys* out) {
out->id = data.index_id();
return data.ReadIndexKeys(&out->keys);
}
// static
bool StructTraits<blink::mojom::IDBIndexMetadataDataView,
blink::IndexedDBIndexMetadata>::
Read(blink::mojom::IDBIndexMetadataDataView data,
blink::IndexedDBIndexMetadata* out) {
out->id = data.id();
if (!data.ReadName(&out->name))
return false;
if (!data.ReadKeyPath(&out->key_path))
return false;
out->unique = data.unique();
out->multi_entry = data.multi_entry();
return true;
}
// static
blink::mojom::IDBKeyDataView::Tag
UnionTraits<blink::mojom::IDBKeyDataView, blink::IndexedDBKey>::GetTag(
const blink::IndexedDBKey& key) {
switch (key.type()) {
case blink::mojom::IDBKeyType::Array:
return blink::mojom::IDBKeyDataView::Tag::KEY_ARRAY;
case blink::mojom::IDBKeyType::Binary:
return blink::mojom::IDBKeyDataView::Tag::BINARY;
case blink::mojom::IDBKeyType::String:
return blink::mojom::IDBKeyDataView::Tag::STRING;
case blink::mojom::IDBKeyType::Date:
return blink::mojom::IDBKeyDataView::Tag::DATE;
case blink::mojom::IDBKeyType::Number:
return blink::mojom::IDBKeyDataView::Tag::NUMBER;
case blink::mojom::IDBKeyType::None:
return blink::mojom::IDBKeyDataView::Tag::OTHER_NONE;
// Not used, fall through to NOTREACHED.
case blink::mojom::IDBKeyType::Invalid: // Only used in blink.
case blink::mojom::IDBKeyType::Min:; // Only used in the browser.
}
NOTREACHED();
return blink::mojom::IDBKeyDataView::Tag::OTHER_NONE;
}
// static
bool UnionTraits<blink::mojom::IDBKeyDataView, blink::IndexedDBKey>::Read(
blink::mojom::IDBKeyDataView data,
blink::IndexedDBKey* out) {
switch (data.tag()) {
case blink::mojom::IDBKeyDataView::Tag::KEY_ARRAY: {
std::vector<blink::IndexedDBKey> array;
if (!data.ReadKeyArray(&array))
return false;
*out = blink::IndexedDBKey(std::move(array));
return true;
}
case blink::mojom::IDBKeyDataView::Tag::BINARY: {
ArrayDataView<uint8_t> bytes;
data.GetBinaryDataView(&bytes);
std::string binary(bytes.data(), bytes.data() + bytes.size());
*out = blink::IndexedDBKey(std::move(binary));
return true;
}
case blink::mojom::IDBKeyDataView::Tag::STRING: {
std::u16string string;
if (!data.ReadString(&string))
return false;
*out = blink::IndexedDBKey(std::move(string));
return true;
}
case blink::mojom::IDBKeyDataView::Tag::DATE:
*out = blink::IndexedDBKey(data.date(), blink::mojom::IDBKeyType::Date);
return true;
case blink::mojom::IDBKeyDataView::Tag::NUMBER:
*out =
blink::IndexedDBKey(data.number(), blink::mojom::IDBKeyType::Number);
return true;
case blink::mojom::IDBKeyDataView::Tag::OTHER_NONE:
*out = blink::IndexedDBKey(blink::mojom::IDBKeyType::None);
return true;
}
return false;
}
// static
blink::mojom::IDBKeyPathDataPtr
StructTraits<blink::mojom::IDBKeyPathDataView, blink::IndexedDBKeyPath>::data(
const blink::IndexedDBKeyPath& key_path) {
if (key_path.IsNull())
return nullptr;
auto data = blink::mojom::IDBKeyPathData::New();
switch (key_path.type()) {
case blink::mojom::IDBKeyPathType::String:
data->set_string(key_path.string());
return data;
case blink::mojom::IDBKeyPathType::Array:
data->set_string_array(key_path.array());
return data;
// The following key path types are not used.
case blink::mojom::IDBKeyPathType::Null:; // No-op, fall out of switch
// block to NOTREACHED().
}
NOTREACHED();
return data;
}
// static
bool StructTraits<blink::mojom::IDBKeyPathDataView, blink::IndexedDBKeyPath>::
Read(blink::mojom::IDBKeyPathDataView data, blink::IndexedDBKeyPath* out) {
blink::mojom::IDBKeyPathDataDataView data_view;
data.GetDataDataView(&data_view);
if (data_view.is_null()) {
*out = blink::IndexedDBKeyPath();
return true;
}
switch (data_view.tag()) {
case blink::mojom::IDBKeyPathDataDataView::Tag::STRING: {
std::u16string string;
if (!data_view.ReadString(&string))
return false;
*out = blink::IndexedDBKeyPath(string);
return true;
}
case blink::mojom::IDBKeyPathDataDataView::Tag::STRING_ARRAY: {
std::vector<std::u16string> array;
if (!data_view.ReadStringArray(&array))
return false;
*out = blink::IndexedDBKeyPath(array);
return true;
}
}
return false;
}
// static
bool StructTraits<blink::mojom::IDBKeyRangeDataView, blink::IndexedDBKeyRange>::
Read(blink::mojom::IDBKeyRangeDataView data,
blink::IndexedDBKeyRange* out) {
blink::IndexedDBKey lower;
blink::IndexedDBKey upper;
if (!data.ReadLower(&lower) || !data.ReadUpper(&upper))
return false;
*out = blink::IndexedDBKeyRange(lower, upper, data.lower_open(),
data.upper_open());
return true;
}
// static
bool StructTraits<blink::mojom::IDBObjectStoreMetadataDataView,
blink::IndexedDBObjectStoreMetadata>::
Read(blink::mojom::IDBObjectStoreMetadataDataView data,
blink::IndexedDBObjectStoreMetadata* out) {
out->id = data.id();
if (!data.ReadName(&out->name))
return false;
if (!data.ReadKeyPath(&out->key_path))
return false;
out->auto_increment = data.auto_increment();
out->max_index_id = data.max_index_id();
MapDataView<int64_t, blink::mojom::IDBIndexMetadataDataView> indexes;
data.GetIndexesDataView(&indexes);
for (size_t i = 0; i < indexes.size(); ++i) {
const int64_t key = indexes.keys()[i];
blink::IndexedDBIndexMetadata index;
if (!indexes.values().Read(i, &index))
return false;
DCHECK_EQ(out->indexes.count(key), 0UL);
out->indexes[key] = index;
}
return true;
}
} // namespace mojo
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