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storage/src/mozStorageAsyncStatementParams.cpp@b8a032363ba2 (annotated)

storage/src/mozStorageAsyncStatementParams.cpp

Thu, 22 Jan 2015 13:21:57 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 22 Jan 2015 13:21:57 +0100

branch

TOR_BUG_9701

changeset 15

b8a032363ba2

permissions

-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0	1	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0	2	* vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
michael@0	3	* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	4	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	5	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	6
michael@0	7	#include "nsMemory.h"
michael@0	8	#include "nsString.h"
michael@0	9	#include "nsCOMPtr.h"
michael@0	10
michael@0	11	#include "jsapi.h"
michael@0	12
michael@0	13	#include "mozStoragePrivateHelpers.h"
michael@0	14	#include "mozStorageAsyncStatement.h"
michael@0	15	#include "mozStorageAsyncStatementParams.h"
michael@0	16	#include "mozIStorageStatement.h"
michael@0	17
michael@0	18	namespace mozilla {
michael@0	19	namespace storage {
michael@0	20
michael@0	21	////////////////////////////////////////////////////////////////////////////////
michael@0	22	//// AsyncStatementParams
michael@0	23
michael@0	24	AsyncStatementParams::AsyncStatementParams(AsyncStatement *aStatement)
michael@0	25	: mStatement(aStatement)
michael@0	26	{
michael@0	27	NS_ASSERTION(mStatement != nullptr, "mStatement is null");
michael@0	28	}
michael@0	29
michael@0	30	NS_IMPL_ISUPPORTS(
michael@0	31	AsyncStatementParams
michael@0	32	, mozIStorageStatementParams
michael@0	33	, nsIXPCScriptable
michael@0	34	)
michael@0	35
michael@0	36	////////////////////////////////////////////////////////////////////////////////
michael@0	37	//// nsIXPCScriptable
michael@0	38
michael@0	39	#define XPC_MAP_CLASSNAME AsyncStatementParams
michael@0	40	#define XPC_MAP_QUOTED_CLASSNAME "AsyncStatementParams"
michael@0	41	#define XPC_MAP_WANT_SETPROPERTY
michael@0	42	#define XPC_MAP_WANT_NEWRESOLVE
michael@0	43	#define XPC_MAP_FLAGS nsIXPCScriptable::ALLOW_PROP_MODS_DURING_RESOLVE
michael@0	44	#include "xpc_map_end.h"
michael@0	45
michael@0	46	NS_IMETHODIMP
michael@0	47	AsyncStatementParams::SetProperty(
michael@0	48	nsIXPConnectWrappedNative *aWrapper,
michael@0	49	JSContext *aCtx,
michael@0	50	JSObject *aScopeObj,
michael@0	51	jsid aId,
michael@0	52	JS::Value *_vp,
michael@0	53	bool *_retval
michael@0	54	)
michael@0	55	{
michael@0	56	NS_ENSURE_TRUE(mStatement, NS_ERROR_NOT_INITIALIZED);
michael@0	57
michael@0	58	if (JSID_IS_INT(aId)) {
michael@0	59	int idx = JSID_TO_INT(aId);
michael@0	60
michael@0	61	nsCOMPtr<nsIVariant> variant(convertJSValToVariant(aCtx, *_vp));
michael@0	62	NS_ENSURE_TRUE(variant, NS_ERROR_UNEXPECTED);
michael@0	63	nsresult rv = mStatement->BindByIndex(idx, variant);
michael@0	64	NS_ENSURE_SUCCESS(rv, rv);
michael@0	65	}
michael@0	66	else if (JSID_IS_STRING(aId)) {
michael@0	67	JSString *str = JSID_TO_STRING(aId);
michael@0	68	size_t length;
michael@0	69	const jschar *chars = JS_GetInternedStringCharsAndLength(str, &length);
michael@0	70	NS_ConvertUTF16toUTF8 name(chars, length);
michael@0	71
michael@0	72	nsCOMPtr<nsIVariant> variant(convertJSValToVariant(aCtx, *_vp));
michael@0	73	NS_ENSURE_TRUE(variant, NS_ERROR_UNEXPECTED);
michael@0	74	nsresult rv = mStatement->BindByName(name, variant);
michael@0	75	NS_ENSURE_SUCCESS(rv, rv);
michael@0	76	}
michael@0	77	else {
michael@0	78	return NS_ERROR_INVALID_ARG;
michael@0	79	}
michael@0	80
michael@0	81	*_retval = true;
michael@0	82	return NS_OK;
michael@0	83	}
michael@0	84
michael@0	85	NS_IMETHODIMP
michael@0	86	AsyncStatementParams::NewResolve(
michael@0	87	nsIXPConnectWrappedNative *aWrapper,
michael@0	88	JSContext *aCtx,
michael@0	89	JSObject *aScopeObj,
michael@0	90	jsid aId,
michael@0	91	JSObject **_objp,
michael@0	92	bool *_retval
michael@0	93	)
michael@0	94	{
michael@0	95	JS::Rooted<JSObject*> scopeObj(aCtx, aScopeObj);
michael@0	96
michael@0	97	NS_ENSURE_TRUE(mStatement, NS_ERROR_NOT_INITIALIZED);
michael@0	98	// We do not throw at any point after this because we want to allow the
michael@0	99	// prototype chain to be checked for the property.
michael@0	100
michael@0	101	bool resolved = false;
michael@0	102	bool ok = true;
michael@0	103	if (JSID_IS_INT(aId)) {
michael@0	104	uint32_t idx = JSID_TO_INT(aId);
michael@0	105	// All indexes are good because we don't know how many parameters there
michael@0	106	// really are.
michael@0	107	ok = ::JS_DefineElement(aCtx, scopeObj, idx, JSVAL_VOID, nullptr,
michael@0	108	nullptr, 0);
michael@0	109	resolved = true;
michael@0	110	}
michael@0	111	else if (JSID_IS_STRING(aId)) {
michael@0	112	// We are unable to tell if there's a parameter with this name and so
michael@0	113	// we must assume that there is. This screws the rest of the prototype
michael@0	114	// chain, but people really shouldn't be depending on this anyways.
michael@0	115	ok = ::JS_DefinePropertyById(aCtx, scopeObj, aId, JSVAL_VOID, nullptr,
michael@0	116	nullptr, 0);
michael@0	117	resolved = true;
michael@0	118	}
michael@0	119
michael@0	120	*_retval = ok;
michael@0	121	*_objp = resolved && ok ? scopeObj.get() : nullptr;
michael@0	122	return NS_OK;
michael@0	123	}
michael@0	124
michael@0	125	} // namespace storage
michael@0	126	} // namespace mozilla