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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozStorageStatementParams.h"
#include "nsJSUtils.h"
#include "nsMemory.h"
#include "nsString.h"
#include "jsapi.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/MozStorageStatementParamsBinding.h"
#include "mozStoragePrivateHelpers.h"
#include "mozStorageStatement.h"
namespace mozilla {
namespace storage {
////////////////////////////////////////////////////////////////////////////////
//// StatementParams
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(StatementParams, mWindow)
NS_INTERFACE_TABLE_HEAD(StatementParams)
NS_WRAPPERCACHE_INTERFACE_TABLE_ENTRY
NS_INTERFACE_TABLE(StatementParams, nsISupports)
NS_INTERFACE_TABLE_TO_MAP_SEGUE_CYCLE_COLLECTION(StatementParams)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(StatementParams)
NS_IMPL_CYCLE_COLLECTING_RELEASE(StatementParams)
StatementParams::StatementParams(nsPIDOMWindowInner* aWindow,
Statement* aStatement)
: mWindow(aWindow), mStatement(aStatement), mParamCount(0) {
NS_ASSERTION(mStatement != nullptr, "mStatement is null");
(void)mStatement->GetParameterCount(&mParamCount);
}
JSObject* StatementParams::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return dom::MozStorageStatementParams_Binding::Wrap(aCx, this, aGivenProto);
}
void StatementParams::NamedGetter(JSContext* aCx, const nsAString& aName,
bool& aFound,
JS::MutableHandle<JS::Value> aResult,
mozilla::ErrorResult& aRv) {
if (!mStatement) {
aRv.Throw(NS_ERROR_NOT_INITIALIZED);
return;
}
// Unfortunately there's no API that lets us return the parameter value.
aFound = false;
}
void StatementParams::NamedSetter(JSContext* aCx, const nsAString& aName,
JS::Handle<JS::Value> aValue,
mozilla::ErrorResult& aRv) {
if (!mStatement) {
aRv.Throw(NS_ERROR_NOT_INITIALIZED);
return;
}
NS_ConvertUTF16toUTF8 name(aName);
// Check to see if there's a parameter with this name.
nsCOMPtr<nsIVariant> variant(convertJSValToVariant(aCx, aValue));
if (!variant) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
aRv = mStatement->BindByName(name, variant);
}
void StatementParams::GetSupportedNames(nsTArray<nsString>& aNames) {
if (!mStatement) {
return;
}
for (uint32_t i = 0; i < mParamCount; i++) {
// Get the name of our parameter.
nsAutoCString name;
nsresult rv = mStatement->GetParameterName(i, name);
if (NS_WARN_IF(NS_FAILED(rv))) {
return;
}
// But drop the first character, which is going to be a ':'.
name = Substring(name, 1);
aNames.AppendElement(NS_ConvertUTF8toUTF16(name));
}
}
void StatementParams::IndexedGetter(JSContext* aCx, uint32_t aIndex,
bool& aFound,
JS::MutableHandle<JS::Value> aResult,
mozilla::ErrorResult& aRv) {
if (!mStatement) {
aRv.Throw(NS_ERROR_NOT_INITIALIZED);
return;
}
// Unfortunately there's no API that lets us return the parameter value.
aFound = false;
}
void StatementParams::IndexedSetter(JSContext* aCx, uint32_t aIndex,
JS::Handle<JS::Value> aValue,
mozilla::ErrorResult& aRv) {
if (!mStatement) {
aRv.Throw(NS_ERROR_NOT_INITIALIZED);
return;
}
nsCOMPtr<nsIVariant> variant(convertJSValToVariant(aCx, aValue));
if (!variant) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
aRv = mStatement->BindByIndex(aIndex, variant);
}
} // namespace storage
} // namespace mozilla