mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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351 lines
9.9 KiB
C++
351 lines
9.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Indexed Database.
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*
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* The Initial Developer of the Original Code is
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* The Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Ben Turner <bent.mozilla@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "IDBKeyRange.h"
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#include "nsIXPConnect.h"
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#include "jscntxt.h"
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#include "nsDOMClassInfo.h"
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#include "nsJSUtils.h"
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#include "nsThreadUtils.h"
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#include "nsContentUtils.h"
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#include "Key.h"
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USING_INDEXEDDB_NAMESPACE
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namespace {
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inline
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JSBool
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ConvertArguments(JSContext* aCx,
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uintN aArgc,
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jsval* aVp,
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const char* aMethodName,
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nsTArray<nsCOMPtr<nsIVariant> >& aKeys)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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NS_ASSERTION(aCx, "Null pointer!");
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NS_ASSERTION(aVp, "Null pointer!");
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NS_ASSERTION(aMethodName, "Null pointer!");
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NS_ASSERTION(aKeys.Capacity(), "Need guaranteed capacity!");
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NS_ASSERTION(aKeys.IsEmpty(), "Not an empty array!");
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if (aArgc < aKeys.Capacity()) {
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nsCString num;
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num.AppendInt(aKeys.Length());
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JS_ReportErrorNumberUC(aCx, js_GetErrorMessage, nsnull,
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JSMSG_MORE_ARGS_NEEDED, aMethodName, num.get(),
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aKeys.Capacity() == 1 ? "" : "s");
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return JS_FALSE;
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}
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for (uintN i = 0; i < aKeys.Capacity(); i++) {
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jsval& arg = JS_ARGV(aCx, aVp)[i];
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if (!Key::CanBeConstructedFromJSVal(arg)) {
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JS_ReportError(aCx, "Argument is not a supported key type.");
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return JS_FALSE;
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}
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nsIXPConnect* xpc = nsContentUtils::XPConnect();
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NS_ASSERTION(xpc, "This should never be null!");
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nsCOMPtr<nsIVariant>* key = aKeys.AppendElement();
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NS_ASSERTION(key, "This should never fail!");
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if (NS_FAILED(xpc->JSValToVariant(aCx, &arg, getter_AddRefs(*key)))) {
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JS_ReportError(aCx, "Could not convert argument to variant.");
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return JS_FALSE;
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}
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}
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return JS_TRUE;
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}
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inline
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JSBool
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ReturnKeyRange(JSContext* aCx,
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jsval* aVp,
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IDBKeyRange* aKeyRange)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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NS_ASSERTION(aCx, "Null pointer!");
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NS_ASSERTION(aVp, "Null pointer!");
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NS_ASSERTION(aKeyRange, "Null pointer!");
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nsIXPConnect* xpc = nsContentUtils::XPConnect();
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NS_ASSERTION(xpc, "This should never be null!");
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JSObject* global = JS_GetGlobalForObject(aCx, JS_GetScopeChain(aCx));
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NS_ENSURE_TRUE(global, JS_FALSE);
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nsCOMPtr<nsIXPConnectJSObjectHolder> holder;
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if (NS_FAILED(xpc->WrapNative(aCx, global, aKeyRange,
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NS_GET_IID(nsIIDBKeyRange),
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getter_AddRefs(holder)))) {
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JS_ReportError(aCx, "Couldn't wrap IDBKeyRange object.");
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return JS_FALSE;
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}
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JSObject* result;
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if (NS_FAILED(holder->GetJSObject(&result))) {
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JS_ReportError(aCx, "Couldn't get JSObject from wrapper.");
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return JS_FALSE;
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}
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JS_SET_RVAL(aCx, aVp, OBJECT_TO_JSVAL(result));
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return JS_TRUE;
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}
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JSBool
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MakeOnlyKeyRange(JSContext* aCx,
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uintN aArgc,
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jsval* aVp)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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nsAutoTArray<nsCOMPtr<nsIVariant>, 1> keys;
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if (!ConvertArguments(aCx, aArgc, aVp, "IDBKeyRange.only", keys)) {
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return JS_FALSE;
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}
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NS_ASSERTION(keys.Length() == 1, "Didn't set all keys!");
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nsRefPtr<IDBKeyRange> range =
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IDBKeyRange::Create(keys[0], keys[0], PR_FALSE, PR_FALSE);
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NS_ASSERTION(range, "Out of memory?");
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if (!ReturnKeyRange(aCx, aVp, range)) {
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return JS_FALSE;
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}
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return JS_TRUE;
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}
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JSBool
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MakeLowerBoundKeyRange(JSContext* aCx,
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uintN aArgc,
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jsval* aVp)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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nsAutoTArray<nsCOMPtr<nsIVariant>, 1> keys;
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if (!ConvertArguments(aCx, aArgc, aVp, "IDBKeyRange.lowerBound", keys)) {
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return JS_FALSE;
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}
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NS_ASSERTION(keys.Length() == 1, "Didn't set all keys!");
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JSBool open = JS_FALSE;
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if (aArgc > 1 && !JS_ValueToBoolean(aCx, JS_ARGV(aCx, aVp)[1], &open)) {
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JS_ReportError(aCx, "Couldn't convert argument 2 to boolean.");
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return JS_FALSE;
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}
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nsRefPtr<IDBKeyRange> range =
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IDBKeyRange::Create(keys[0], nsnull, !!open, PR_TRUE);
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NS_ASSERTION(range, "Out of memory?");
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if (!ReturnKeyRange(aCx, aVp, range)) {
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return JS_FALSE;
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}
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return JS_TRUE;
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}
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JSBool
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MakeUpperBoundKeyRange(JSContext* aCx,
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uintN aArgc,
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jsval* aVp)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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nsAutoTArray<nsCOMPtr<nsIVariant>, 1> keys;
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if (!ConvertArguments(aCx, aArgc, aVp, "IDBKeyRange.upperBound", keys)) {
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return JS_FALSE;
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}
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NS_ASSERTION(keys.Length() == 1, "Didn't set all keys!");
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JSBool open = JS_FALSE;
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if (aArgc > 1 && !JS_ValueToBoolean(aCx, JS_ARGV(aCx, aVp)[1], &open)) {
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JS_ReportError(aCx, "Couldn't convert argument 2 to boolean.");
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return JS_FALSE;
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}
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nsRefPtr<IDBKeyRange> range =
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IDBKeyRange::Create(nsnull, keys[0], PR_TRUE, !!open);
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NS_ASSERTION(range, "Out of memory?");
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if (!ReturnKeyRange(aCx, aVp, range)) {
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return JS_FALSE;
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}
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return JS_TRUE;
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}
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JSBool
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MakeBoundKeyRange(JSContext* aCx,
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uintN aArgc,
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jsval* aVp)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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nsAutoTArray<nsCOMPtr<nsIVariant>, 2> keys;
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if (!ConvertArguments(aCx, aArgc, aVp, "IDBKeyRange.bound", keys)) {
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return JS_FALSE;
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}
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NS_ASSERTION(keys.Length() == 2, "Didn't set all keys!");
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JSBool lowerOpen = JS_FALSE;
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if (aArgc > 2 && !JS_ValueToBoolean(aCx, JS_ARGV(aCx, aVp)[2], &lowerOpen)) {
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JS_ReportError(aCx, "Couldn't convert argument 3 to boolean.");
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return JS_FALSE;
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}
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JSBool upperOpen = JS_FALSE;
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if (aArgc > 3 && !JS_ValueToBoolean(aCx, JS_ARGV(aCx, aVp)[3], &upperOpen)) {
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JS_ReportError(aCx, "Couldn't convert argument 3 to boolean.");
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return JS_FALSE;
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}
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nsRefPtr<IDBKeyRange> range =
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IDBKeyRange::Create(keys[0], keys[1], lowerOpen, upperOpen);
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NS_ASSERTION(range, "Out of memory?");
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if (!ReturnKeyRange(aCx, aVp, range)) {
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return JS_FALSE;
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}
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return JS_TRUE;
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}
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#define KEYRANGE_FUNCTION_FLAGS (JSPROP_ENUMERATE | JSPROP_PERMANENT)
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const JSFunctionSpec gKeyRangeConstructors[] = {
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JS_FN("only", MakeOnlyKeyRange, 1, KEYRANGE_FUNCTION_FLAGS),
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JS_FN("lowerBound", MakeLowerBoundKeyRange, 1, KEYRANGE_FUNCTION_FLAGS),
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JS_FN("upperBound", MakeUpperBoundKeyRange, 1, KEYRANGE_FUNCTION_FLAGS),
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JS_FN("bound", MakeBoundKeyRange, 2, KEYRANGE_FUNCTION_FLAGS),
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JS_FS_END
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};
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#undef KEYRANGE_FUNCTION_FLAGS
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} // anonymous namespace
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// static
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JSBool
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IDBKeyRange::DefineConstructors(JSContext* aCx,
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JSObject* aObject)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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NS_ASSERTION(aCx, "Null pointer!");
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NS_ASSERTION(aObject, "Null pointer!");
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// Add the constructor methods for key ranges.
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return JS_DefineFunctions(aCx, aObject,
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const_cast<JSFunctionSpec*>(gKeyRangeConstructors));
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}
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// static
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already_AddRefed<IDBKeyRange>
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IDBKeyRange::Create(nsIVariant* aLower,
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nsIVariant* aUpper,
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PRBool aLowerOpen,
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PRBool aUpperOpen)
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{
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nsRefPtr<IDBKeyRange> keyRange(new IDBKeyRange());
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keyRange->mLower = aLower;
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keyRange->mUpper = aUpper;
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keyRange->mLowerOpen = aLowerOpen;
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keyRange->mUpperOpen = aUpperOpen;
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return keyRange.forget();
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}
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NS_IMPL_ADDREF(IDBKeyRange)
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NS_IMPL_RELEASE(IDBKeyRange)
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NS_INTERFACE_MAP_BEGIN(IDBKeyRange)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIIDBKeyRange)
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NS_INTERFACE_MAP_ENTRY(nsIIDBKeyRange)
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NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(IDBKeyRange)
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NS_INTERFACE_MAP_END
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DOMCI_DATA(IDBKeyRange, IDBKeyRange)
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NS_IMETHODIMP
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IDBKeyRange::GetLower(nsIVariant** aLower)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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nsCOMPtr<nsIVariant> result(mLower);
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result.forget(aLower);
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return NS_OK;
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}
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NS_IMETHODIMP
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IDBKeyRange::GetUpper(nsIVariant** aUpper)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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nsCOMPtr<nsIVariant> result(mUpper);
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result.forget(aUpper);
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return NS_OK;
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}
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NS_IMETHODIMP
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IDBKeyRange::GetLowerOpen(PRBool* aLowerOpen)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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*aLowerOpen = mLowerOpen ? PR_TRUE : PR_FALSE;
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return NS_OK;
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}
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NS_IMETHODIMP
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IDBKeyRange::GetUpperOpen(PRBool* aUpperOpen)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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*aUpperOpen = mUpperOpen ? PR_TRUE : PR_FALSE;
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return NS_OK;
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}
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