| /* |
| * Copyright (C) 2011 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "bindings/modules/v8/V8BindingForModules.h" |
| |
| #include "bindings/core/v8/SerializedScriptValue.h" |
| #include "bindings/core/v8/SerializedScriptValueFactory.h" |
| #include "bindings/core/v8/V8ArrayBuffer.h" |
| #include "bindings/core/v8/V8ArrayBufferView.h" |
| #include "bindings/core/v8/V8Binding.h" |
| #include "bindings/core/v8/V8Blob.h" |
| #include "bindings/core/v8/V8DOMStringList.h" |
| #include "bindings/core/v8/V8File.h" |
| #include "bindings/core/v8/V8Uint8Array.h" |
| #include "bindings/modules/v8/ToV8ForModules.h" |
| #include "bindings/modules/v8/V8IDBCursor.h" |
| #include "bindings/modules/v8/V8IDBCursorWithValue.h" |
| #include "bindings/modules/v8/V8IDBDatabase.h" |
| #include "bindings/modules/v8/V8IDBIndex.h" |
| #include "bindings/modules/v8/V8IDBKeyRange.h" |
| #include "bindings/modules/v8/V8IDBObjectStore.h" |
| #include "core/dom/DOMArrayBuffer.h" |
| #include "core/dom/DOMArrayBufferView.h" |
| #include "modules/indexeddb/IDBKey.h" |
| #include "modules/indexeddb/IDBKeyPath.h" |
| #include "modules/indexeddb/IDBKeyRange.h" |
| #include "modules/indexeddb/IDBTracing.h" |
| #include "modules/indexeddb/IDBValue.h" |
| #include "platform/RuntimeEnabledFeatures.h" |
| #include "platform/SharedBuffer.h" |
| #include "wtf/MathExtras.h" |
| #include "wtf/Vector.h" |
| |
| namespace blink { |
| |
| static v8::Local<v8::Value> deserializeIDBValueData(v8::Isolate*, |
| const IDBValue*); |
| static v8::Local<v8::Value> deserializeIDBValue( |
| v8::Isolate*, |
| v8::Local<v8::Object> creationContext, |
| const IDBValue*); |
| static v8::Local<v8::Value> deserializeIDBValueArray( |
| v8::Isolate*, |
| v8::Local<v8::Object> creationContext, |
| const Vector<RefPtr<IDBValue>>*); |
| |
| v8::Local<v8::Value> toV8(const IDBKeyPath& value, |
| v8::Local<v8::Object> creationContext, |
| v8::Isolate* isolate) { |
| switch (value.getType()) { |
| case IDBKeyPath::NullType: |
| return v8::Null(isolate); |
| case IDBKeyPath::StringType: |
| return v8String(isolate, value.string()); |
| case IDBKeyPath::ArrayType: |
| return toV8(value.array(), creationContext, isolate); |
| } |
| ASSERT_NOT_REACHED(); |
| return v8::Undefined(isolate); |
| } |
| |
| v8::Local<v8::Value> toV8(const IDBKey* key, |
| v8::Local<v8::Object> creationContext, |
| v8::Isolate* isolate) { |
| if (!key) { |
| // The IndexedDB spec requires that absent keys appear as attribute |
| // values as undefined, rather than the more typical (for DOM) null. |
| // This appears on the |upper| and |lower| attributes of IDBKeyRange. |
| // Spec: http://www.w3.org/TR/IndexedDB/#idl-def-IDBKeyRange |
| return v8Undefined(); |
| } |
| |
| v8::Local<v8::Context> context = isolate->GetCurrentContext(); |
| |
| switch (key->getType()) { |
| case IDBKey::InvalidType: |
| case IDBKey::MinType: |
| ASSERT_NOT_REACHED(); |
| return v8Undefined(); |
| case IDBKey::NumberType: |
| return v8::Number::New(isolate, key->number()); |
| case IDBKey::StringType: |
| return v8String(isolate, key->string()); |
| case IDBKey::BinaryType: |
| // Experimental feature: binary keys |
| // https://w3c.github.io/IndexedDB/#steps-to-convert-a-key-to-a-value |
| return toV8(DOMArrayBuffer::create(reinterpret_cast<const unsigned char*>( |
| key->binary()->data()), |
| key->binary()->size()), |
| creationContext, isolate); |
| case IDBKey::DateType: |
| return v8::Date::New(context, key->date()).ToLocalChecked(); |
| case IDBKey::ArrayType: { |
| v8::Local<v8::Array> array = v8::Array::New(isolate, key->array().size()); |
| for (size_t i = 0; i < key->array().size(); ++i) { |
| v8::Local<v8::Value> value = |
| toV8(key->array()[i].get(), creationContext, isolate); |
| if (value.IsEmpty()) |
| value = v8::Undefined(isolate); |
| if (!v8CallBoolean(array->CreateDataProperty(context, i, value))) |
| return v8Undefined(); |
| } |
| return array; |
| } |
| } |
| |
| ASSERT_NOT_REACHED(); |
| return v8Undefined(); |
| } |
| |
| // IDBAny is a variant type used to hold the values produced by the |result| |
| // attribute of IDBRequest and (as a convenience) the |source| attribute of |
| // IDBRequest and IDBCursor. |
| // TODO(jsbell): Replace the use of IDBAny for |source| attributes (which are |
| // ScriptWrappable types) using unions per IDL. |
| v8::Local<v8::Value> toV8(const IDBAny* impl, |
| v8::Local<v8::Object> creationContext, |
| v8::Isolate* isolate) { |
| if (!impl) |
| return v8::Null(isolate); |
| |
| switch (impl->getType()) { |
| case IDBAny::UndefinedType: |
| return v8::Undefined(isolate); |
| case IDBAny::NullType: |
| return v8::Null(isolate); |
| case IDBAny::DOMStringListType: |
| return toV8(impl->domStringList(), creationContext, isolate); |
| case IDBAny::IDBCursorType: |
| return toV8(impl->idbCursor(), creationContext, isolate); |
| case IDBAny::IDBCursorWithValueType: |
| return toV8(impl->idbCursorWithValue(), creationContext, isolate); |
| case IDBAny::IDBDatabaseType: |
| return toV8(impl->idbDatabase(), creationContext, isolate); |
| case IDBAny::IDBIndexType: |
| return toV8(impl->idbIndex(), creationContext, isolate); |
| case IDBAny::IDBObjectStoreType: |
| return toV8(impl->idbObjectStore(), creationContext, isolate); |
| case IDBAny::IDBValueType: |
| return deserializeIDBValue(isolate, creationContext, impl->value()); |
| case IDBAny::IDBValueArrayType: |
| return deserializeIDBValueArray(isolate, creationContext, impl->values()); |
| case IDBAny::IntegerType: |
| return v8::Number::New(isolate, impl->integer()); |
| case IDBAny::KeyType: |
| return toV8(impl->key(), creationContext, isolate); |
| } |
| |
| ASSERT_NOT_REACHED(); |
| return v8::Undefined(isolate); |
| } |
| |
| static const size_t maximumDepth = 2000; |
| |
| static IDBKey* createIDBKeyFromValue(v8::Isolate* isolate, |
| v8::Local<v8::Value> value, |
| Vector<v8::Local<v8::Array>>& stack, |
| ExceptionState& exceptionState, |
| bool allowExperimentalTypes = false) { |
| if (value->IsNumber() && !std::isnan(value.As<v8::Number>()->Value())) |
| return IDBKey::createNumber(value.As<v8::Number>()->Value()); |
| if (value->IsString()) |
| return IDBKey::createString(toCoreString(value.As<v8::String>())); |
| if (value->IsDate() && !std::isnan(value.As<v8::Date>()->ValueOf())) |
| return IDBKey::createDate(value.As<v8::Date>()->ValueOf()); |
| if (allowExperimentalTypes || |
| RuntimeEnabledFeatures::indexedDBExperimentalEnabled()) { |
| // Experimental feature: binary keys |
| // https://w3c.github.io/IndexedDB/#dfn-convert-a-value-to-a-key |
| if (value->IsArrayBuffer()) { |
| DOMArrayBuffer* buffer = V8ArrayBuffer::toImpl(value.As<v8::Object>()); |
| if (buffer->isNeutered()) { |
| exceptionState.throwTypeError("The ArrayBuffer is neutered."); |
| return nullptr; |
| } |
| const char* start = static_cast<const char*>(buffer->data()); |
| size_t length = buffer->byteLength(); |
| return IDBKey::createBinary(SharedBuffer::create(start, length)); |
| } |
| if (value->IsArrayBufferView()) { |
| DOMArrayBufferView* view = |
| V8ArrayBufferView::toImpl(value.As<v8::Object>()); |
| if (view->buffer()->isNeutered()) { |
| exceptionState.throwTypeError("The viewed ArrayBuffer is neutered."); |
| return nullptr; |
| } |
| const char* start = static_cast<const char*>(view->baseAddress()); |
| size_t length = view->byteLength(); |
| return IDBKey::createBinary(SharedBuffer::create(start, length)); |
| } |
| } |
| if (value->IsArray()) { |
| v8::Local<v8::Array> array = value.As<v8::Array>(); |
| |
| if (stack.contains(array)) |
| return nullptr; |
| if (stack.size() >= maximumDepth) |
| return nullptr; |
| stack.append(array); |
| |
| IDBKey::KeyArray subkeys; |
| uint32_t length = array->Length(); |
| v8::TryCatch block(isolate); |
| v8::Local<v8::Context> context = isolate->GetCurrentContext(); |
| for (uint32_t i = 0; i < length; ++i) { |
| if (!v8CallBoolean(array->HasOwnProperty(context, i))) |
| return nullptr; |
| v8::Local<v8::Value> item; |
| if (!v8Call(array->Get(context, i), item, block)) { |
| exceptionState.rethrowV8Exception(block.Exception()); |
| return nullptr; |
| } |
| IDBKey* subkey = createIDBKeyFromValue( |
| isolate, item, stack, exceptionState, allowExperimentalTypes); |
| if (!subkey) |
| subkeys.append(IDBKey::createInvalid()); |
| else |
| subkeys.append(subkey); |
| } |
| |
| stack.removeLast(); |
| return IDBKey::createArray(subkeys); |
| } |
| return nullptr; |
| } |
| |
| static IDBKey* createIDBKeyFromValue(v8::Isolate* isolate, |
| v8::Local<v8::Value> value, |
| ExceptionState& exceptionState, |
| bool allowExperimentalTypes = false) { |
| Vector<v8::Local<v8::Array>> stack; |
| if (IDBKey* key = createIDBKeyFromValue(isolate, value, stack, exceptionState, |
| allowExperimentalTypes)) |
| return key; |
| return IDBKey::createInvalid(); |
| } |
| |
| // Indexed DB key paths should apply to explicitly copied properties (that |
| // will be "own" properties when deserialized) as well as the following. |
| // http://www.w3.org/TR/IndexedDB/#key-path-construct |
| static bool isImplicitProperty(v8::Isolate* isolate, |
| v8::Local<v8::Value> value, |
| const String& name) { |
| if (value->IsString() && name == "length") |
| return true; |
| if (value->IsArray() && name == "length") |
| return true; |
| if (V8Blob::hasInstance(value, isolate)) |
| return name == "size" || name == "type"; |
| if (V8File::hasInstance(value, isolate)) |
| return name == "name" || name == "lastModified" || |
| name == "lastModifiedDate"; |
| return false; |
| } |
| |
| // Assumes a valid key path. |
| static Vector<String> parseKeyPath(const String& keyPath) { |
| Vector<String> elements; |
| IDBKeyPathParseError error; |
| IDBParseKeyPath(keyPath, elements, error); |
| ASSERT(error == IDBKeyPathParseErrorNone); |
| return elements; |
| } |
| |
| static IDBKey* createIDBKeyFromValueAndKeyPath(v8::Isolate* isolate, |
| v8::Local<v8::Value> v8Value, |
| const String& keyPath, |
| ExceptionState& exceptionState, |
| bool allowExperimentalTypes) { |
| Vector<String> keyPathElements = parseKeyPath(keyPath); |
| ASSERT(isolate->InContext()); |
| |
| v8::HandleScope handleScope(isolate); |
| v8::Local<v8::Context> context = isolate->GetCurrentContext(); |
| v8::TryCatch block(isolate); |
| for (size_t i = 0; i < keyPathElements.size(); ++i) { |
| const String& element = keyPathElements[i]; |
| |
| // Special cases from https://w3c.github.io/IndexedDB/#key-path-construct |
| // These access special or non-own properties directly, to avoid side |
| // effects. |
| |
| if (v8Value->IsString() && element == "length") { |
| int32_t length = v8Value.As<v8::String>()->Length(); |
| v8Value = v8::Number::New(isolate, length); |
| continue; |
| } |
| |
| if (v8Value->IsArray() && element == "length") { |
| int32_t length = v8Value.As<v8::Array>()->Length(); |
| v8Value = v8::Number::New(isolate, length); |
| continue; |
| } |
| |
| if (!v8Value->IsObject()) |
| return nullptr; |
| v8::Local<v8::Object> object = v8Value.As<v8::Object>(); |
| |
| if (V8Blob::hasInstance(object, isolate)) { |
| if (element == "size") { |
| v8Value = v8::Number::New(isolate, V8Blob::toImpl(object)->size()); |
| continue; |
| } |
| if (element == "type") { |
| v8Value = v8String(isolate, V8Blob::toImpl(object)->type()); |
| continue; |
| } |
| // Fall through. |
| } |
| |
| if (V8File::hasInstance(object, isolate)) { |
| if (element == "name") { |
| v8Value = v8String(isolate, V8File::toImpl(object)->name()); |
| continue; |
| } |
| if (element == "lastModified") { |
| v8Value = |
| v8::Number::New(isolate, V8File::toImpl(object)->lastModified()); |
| continue; |
| } |
| if (element == "lastModifiedDate") { |
| v8Value = |
| v8::Date::New(isolate, V8File::toImpl(object)->lastModifiedDate()); |
| continue; |
| } |
| // Fall through. |
| } |
| |
| v8::Local<v8::String> key = v8String(isolate, element); |
| if (!v8CallBoolean(object->HasOwnProperty(context, key))) |
| return nullptr; |
| if (!v8Call(object->Get(context, key), v8Value, block)) { |
| exceptionState.rethrowV8Exception(block.Exception()); |
| return nullptr; |
| } |
| } |
| return createIDBKeyFromValue(isolate, v8Value, exceptionState, |
| allowExperimentalTypes); |
| } |
| |
| static IDBKey* createIDBKeyFromValueAndKeyPath( |
| v8::Isolate* isolate, |
| v8::Local<v8::Value> value, |
| const IDBKeyPath& keyPath, |
| ExceptionState& exceptionState, |
| bool allowExperimentalTypes = false) { |
| ASSERT(!keyPath.isNull()); |
| v8::HandleScope handleScope(isolate); |
| if (keyPath.getType() == IDBKeyPath::ArrayType) { |
| IDBKey::KeyArray result; |
| const Vector<String>& array = keyPath.array(); |
| for (size_t i = 0; i < array.size(); ++i) { |
| IDBKey* key = createIDBKeyFromValueAndKeyPath( |
| isolate, value, array[i], exceptionState, allowExperimentalTypes); |
| if (!key) |
| return nullptr; |
| result.append(key); |
| } |
| return IDBKey::createArray(result); |
| } |
| |
| ASSERT(keyPath.getType() == IDBKeyPath::StringType); |
| return createIDBKeyFromValueAndKeyPath( |
| isolate, value, keyPath.string(), exceptionState, allowExperimentalTypes); |
| } |
| |
| // Deserialize just the value data & blobInfo from the given IDBValue. |
| // Does not deserialize the key & keypath. |
| static v8::Local<v8::Value> deserializeIDBValueData(v8::Isolate* isolate, |
| const IDBValue* value) { |
| ASSERT(isolate->InContext()); |
| if (!value || value->isNull()) |
| return v8::Null(isolate); |
| |
| const SharedBuffer* valueData = value->data(); |
| RefPtr<SerializedScriptValue> serializedValue = |
| SerializedScriptValue::create(valueData->data(), valueData->size()); |
| return serializedValue->deserialize(isolate, nullptr, value->blobInfo()); |
| } |
| |
| // Deserialize the entire IDBValue (injecting key & keypath if present). |
| static v8::Local<v8::Value> deserializeIDBValue( |
| v8::Isolate* isolate, |
| v8::Local<v8::Object> creationContext, |
| const IDBValue* value) { |
| ASSERT(isolate->InContext()); |
| if (!value || value->isNull()) |
| return v8::Null(isolate); |
| |
| v8::Local<v8::Value> v8Value = deserializeIDBValueData(isolate, value); |
| if (value->primaryKey()) { |
| v8::Local<v8::Value> key = |
| toV8(value->primaryKey(), creationContext, isolate); |
| if (key.IsEmpty()) |
| return v8::Local<v8::Value>(); |
| bool injected = |
| injectV8KeyIntoV8Value(isolate, key, v8Value, value->keyPath()); |
| ASSERT_UNUSED(injected, injected); |
| } |
| |
| return v8Value; |
| } |
| |
| static v8::Local<v8::Value> deserializeIDBValueArray( |
| v8::Isolate* isolate, |
| v8::Local<v8::Object> creationContext, |
| const Vector<RefPtr<IDBValue>>* values) { |
| ASSERT(isolate->InContext()); |
| |
| v8::Local<v8::Context> context = isolate->GetCurrentContext(); |
| v8::Local<v8::Array> array = v8::Array::New(isolate, values->size()); |
| for (size_t i = 0; i < values->size(); ++i) { |
| v8::Local<v8::Value> v8Value = |
| deserializeIDBValue(isolate, creationContext, values->at(i).get()); |
| if (v8Value.IsEmpty()) |
| v8Value = v8::Undefined(isolate); |
| if (!v8CallBoolean(array->CreateDataProperty(context, i, v8Value))) |
| return v8Undefined(); |
| } |
| |
| return array; |
| } |
| |
| // This is only applied to deserialized values which were validated before |
| // serialization, so various assumptions/assertions can be made. |
| bool injectV8KeyIntoV8Value(v8::Isolate* isolate, |
| v8::Local<v8::Value> key, |
| v8::Local<v8::Value> value, |
| const IDBKeyPath& keyPath) { |
| IDB_TRACE("injectIDBV8KeyIntoV8Value"); |
| ASSERT(isolate->InContext()); |
| |
| ASSERT(keyPath.getType() == IDBKeyPath::StringType); |
| Vector<String> keyPathElements = parseKeyPath(keyPath.string()); |
| |
| // The conbination of a key generator and an empty key path is forbidden by |
| // spec. |
| if (!keyPathElements.size()) { |
| ASSERT_NOT_REACHED(); |
| return false; |
| } |
| |
| v8::HandleScope handleScope(isolate); |
| v8::Local<v8::Context> context = isolate->GetCurrentContext(); |
| |
| // For an object o = {} which should have keypath 'a.b.c' and key k, this |
| // populates o to be {a:{b:{}}}. This is only applied to deserialized |
| // values which were validated before serialization, so various |
| // assumptions can be made, e.g. there are no getters/setters on the |
| // object itself (though there might be on the prototype chain). |
| for (size_t i = 0; i < keyPathElements.size() - 1; ++i) { |
| const String& keyPathElement = keyPathElements[i]; |
| ASSERT(value->IsObject()); |
| ASSERT(!isImplicitProperty(isolate, value, keyPathElement)); |
| v8::Local<v8::Object> object = value.As<v8::Object>(); |
| v8::Local<v8::String> property = v8String(isolate, keyPathElement); |
| bool hasOwnProperty; |
| if (!v8Call(object->HasOwnProperty(context, property), hasOwnProperty)) |
| return false; |
| if (hasOwnProperty) { |
| if (!object->Get(context, property).ToLocal(&value)) |
| return false; |
| } else { |
| value = v8::Object::New(isolate); |
| if (!v8CallBoolean(object->CreateDataProperty(context, property, value))) |
| return false; |
| } |
| } |
| |
| // Implicit properties don't need to be set. The caller is not required to |
| // be aware of this, so this is an expected no-op. The caller can verify |
| // that the value is correct via assertPrimaryKeyValidOrInjectable. |
| if (isImplicitProperty(isolate, value, keyPathElements.last())) |
| return true; |
| |
| // If it's not an implicit property of value, value must be an object. |
| v8::Local<v8::Object> object = value.As<v8::Object>(); |
| v8::Local<v8::String> property = v8String(isolate, keyPathElements.last()); |
| if (!v8CallBoolean(object->CreateDataProperty(context, property, key))) |
| return false; |
| |
| return true; |
| } |
| |
| // Verify that an value can have an generated key inserted at the location |
| // specified by the key path (by injectV8KeyIntoV8Value) when the object is |
| // later deserialized. |
| bool canInjectIDBKeyIntoScriptValue(v8::Isolate* isolate, |
| const ScriptValue& scriptValue, |
| const IDBKeyPath& keyPath) { |
| IDB_TRACE("canInjectIDBKeyIntoScriptValue"); |
| ASSERT(keyPath.getType() == IDBKeyPath::StringType); |
| Vector<String> keyPathElements = parseKeyPath(keyPath.string()); |
| |
| if (!keyPathElements.size()) |
| return false; |
| |
| v8::Local<v8::Value> current(scriptValue.v8Value()); |
| if (!current->IsObject()) |
| return false; |
| |
| v8::Local<v8::Context> context = isolate->GetCurrentContext(); |
| for (size_t i = 0; i < keyPathElements.size(); ++i) { |
| const String& keyPathElement = keyPathElements[i]; |
| // Can't overwrite properties like array or string length. |
| if (isImplicitProperty(isolate, current, keyPathElement)) |
| return false; |
| // Can't set properties on non-objects. |
| if (!current->IsObject()) |
| return false; |
| v8::Local<v8::Object> object = current.As<v8::Object>(); |
| v8::Local<v8::String> property = v8String(isolate, keyPathElement); |
| // If the value lacks an "own" property, it can be added - either as |
| // an intermediate object or as the final value. |
| bool hasOwnProperty; |
| if (!v8Call(object->HasOwnProperty(context, property), hasOwnProperty)) |
| return false; |
| if (!hasOwnProperty) |
| return true; |
| // Otherwise, get it and keep traversing. |
| if (!object->Get(context, property).ToLocal(¤t)) |
| return false; |
| } |
| return true; |
| } |
| |
| ScriptValue deserializeScriptValue(ScriptState* scriptState, |
| SerializedScriptValue* serializedValue, |
| const Vector<WebBlobInfo>* blobInfo) { |
| v8::Isolate* isolate = scriptState->isolate(); |
| v8::HandleScope handleScope(isolate); |
| if (serializedValue) |
| return ScriptValue( |
| scriptState, serializedValue->deserialize(isolate, nullptr, blobInfo)); |
| return ScriptValue(scriptState, v8::Null(isolate)); |
| } |
| |
| SQLValue NativeValueTraits<SQLValue>::nativeValue( |
| v8::Isolate* isolate, |
| v8::Local<v8::Value> value, |
| ExceptionState& exceptionState) { |
| if (value.IsEmpty() || value->IsNull()) |
| return SQLValue(); |
| if (value->IsNumber()) |
| return SQLValue(value.As<v8::Number>()->Value()); |
| V8StringResource<> stringValue(value); |
| if (!stringValue.prepare(exceptionState)) |
| return SQLValue(); |
| return SQLValue(stringValue); |
| } |
| |
| IDBKey* NativeValueTraits<IDBKey*>::nativeValue( |
| v8::Isolate* isolate, |
| v8::Local<v8::Value> value, |
| ExceptionState& exceptionState) { |
| return createIDBKeyFromValue(isolate, value, exceptionState); |
| } |
| |
| IDBKey* NativeValueTraits<IDBKey*>::nativeValue(v8::Isolate* isolate, |
| v8::Local<v8::Value> value, |
| ExceptionState& exceptionState, |
| const IDBKeyPath& keyPath) { |
| IDB_TRACE("createIDBKeyFromValueAndKeyPath"); |
| return createIDBKeyFromValueAndKeyPath(isolate, value, keyPath, |
| exceptionState); |
| } |
| |
| IDBKeyRange* NativeValueTraits<IDBKeyRange*>::nativeValue( |
| v8::Isolate* isolate, |
| v8::Local<v8::Value> value, |
| ExceptionState& exceptionState) { |
| return V8IDBKeyRange::toImplWithTypeCheck(isolate, value); |
| } |
| |
| #if ENABLE(ASSERT) |
| // This assertion is used when a value has been retrieved from an object store |
| // with implicit keys (i.e. a key path). It verifies that either the value |
| // contains an implicit key matching the primary key (so it was correctly |
| // extracted when stored) or that the key can be inserted as an own property. |
| void assertPrimaryKeyValidOrInjectable(ScriptState* scriptState, |
| const IDBValue* value) { |
| ScriptState::Scope scope(scriptState); |
| v8::Isolate* isolate = scriptState->isolate(); |
| ScriptValue keyValue = ScriptValue::from(scriptState, value->primaryKey()); |
| ScriptValue scriptValue(scriptState, deserializeIDBValueData(isolate, value)); |
| |
| // This assertion is about already persisted data, so allow experimental |
| // types. |
| const bool allowExperimentalTypes = true; |
| TrackExceptionState exceptionState; |
| IDBKey* expectedKey = createIDBKeyFromValueAndKeyPath( |
| isolate, scriptValue.v8Value(), value->keyPath(), exceptionState, |
| allowExperimentalTypes); |
| ASSERT(!exceptionState.hadException()); |
| if (expectedKey && expectedKey->isEqual(value->primaryKey())) |
| return; |
| |
| bool injected = injectV8KeyIntoV8Value( |
| isolate, keyValue.v8Value(), scriptValue.v8Value(), value->keyPath()); |
| ASSERT_UNUSED(injected, injected); |
| } |
| #endif |
| |
| } // namespace blink |
