mirror of
https://github.com/classilla/tenfourfox.git
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130 lines
3.8 KiB
C++
130 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsMemory.h"
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#include "nsString.h"
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#include "nsCOMPtr.h"
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#include "nsJSUtils.h"
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#include "jsapi.h"
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#include "mozStoragePrivateHelpers.h"
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#include "mozStorageAsyncStatement.h"
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#include "mozStorageAsyncStatementParams.h"
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#include "mozIStorageStatement.h"
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namespace mozilla {
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namespace storage {
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////////////////////////////////////////////////////////////////////////////////
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//// AsyncStatementParams
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AsyncStatementParams::AsyncStatementParams(AsyncStatement *aStatement)
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: mStatement(aStatement)
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{
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NS_ASSERTION(mStatement != nullptr, "mStatement is null");
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}
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NS_IMPL_ISUPPORTS(
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AsyncStatementParams
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, mozIStorageStatementParams
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, nsIXPCScriptable
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)
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////////////////////////////////////////////////////////////////////////////////
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//// nsIXPCScriptable
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#define XPC_MAP_CLASSNAME AsyncStatementParams
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#define XPC_MAP_QUOTED_CLASSNAME "AsyncStatementParams"
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#define XPC_MAP_WANT_SETPROPERTY
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#define XPC_MAP_WANT_RESOLVE
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#define XPC_MAP_FLAGS nsIXPCScriptable::ALLOW_PROP_MODS_DURING_RESOLVE
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#include "xpc_map_end.h"
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NS_IMETHODIMP
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AsyncStatementParams::SetProperty(
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nsIXPConnectWrappedNative *aWrapper,
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JSContext *aCtx,
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JSObject *aScopeObj,
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jsid aId,
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JS::Value *_vp,
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bool *_retval
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)
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{
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NS_ENSURE_TRUE(mStatement, NS_ERROR_NOT_INITIALIZED);
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if (JSID_IS_INT(aId)) {
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int idx = JSID_TO_INT(aId);
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nsCOMPtr<nsIVariant> variant(convertJSValToVariant(aCtx, *_vp));
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NS_ENSURE_TRUE(variant, NS_ERROR_UNEXPECTED);
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nsresult rv = mStatement->BindByIndex(idx, variant);
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NS_ENSURE_SUCCESS(rv, rv);
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}
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else if (JSID_IS_STRING(aId)) {
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JSString *str = JSID_TO_STRING(aId);
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nsAutoJSString autoStr;
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if (!autoStr.init(aCtx, str)) {
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return NS_ERROR_FAILURE;
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}
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NS_ConvertUTF16toUTF8 name(autoStr);
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nsCOMPtr<nsIVariant> variant(convertJSValToVariant(aCtx, *_vp));
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NS_ENSURE_TRUE(variant, NS_ERROR_UNEXPECTED);
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nsresult rv = mStatement->BindByName(name, variant);
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NS_ENSURE_SUCCESS(rv, rv);
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}
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else {
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return NS_ERROR_INVALID_ARG;
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}
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*_retval = true;
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return NS_OK;
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}
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NS_IMETHODIMP
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AsyncStatementParams::Resolve(nsIXPConnectWrappedNative *aWrapper,
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JSContext *aCtx,
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JSObject *aScopeObj,
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jsid aId,
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bool *aResolvedp,
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bool *_retval)
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{
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JS::Rooted<JSObject*> scopeObj(aCtx, aScopeObj);
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NS_ENSURE_TRUE(mStatement, NS_ERROR_NOT_INITIALIZED);
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// We do not throw at any point after this because we want to allow the
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// prototype chain to be checked for the property.
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bool resolved = false;
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bool ok = true;
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if (JSID_IS_INT(aId)) {
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uint32_t idx = JSID_TO_INT(aId);
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// All indexes are good because we don't know how many parameters there
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// really are.
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ok = ::JS_DefineElement(aCtx, scopeObj, idx, JS::UndefinedHandleValue,
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JSPROP_RESOLVING);
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resolved = true;
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}
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else if (JSID_IS_STRING(aId)) {
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// We are unable to tell if there's a parameter with this name and so
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// we must assume that there is. This screws the rest of the prototype
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// chain, but people really shouldn't be depending on this anyways.
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JS::Rooted<jsid> id(aCtx, aId);
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ok = ::JS_DefinePropertyById(aCtx, scopeObj, id, JS::UndefinedHandleValue,
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JSPROP_RESOLVING);
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resolved = true;
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}
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*_retval = ok;
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*aResolvedp = resolved && ok;
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return NS_OK;
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}
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} // namespace storage
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} // namespace mozilla
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