1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/* -*- 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 "nsMemory.h"
#include "nsString.h"
#include "nsCOMPtr.h"
#include "nsJSUtils.h"
#include "jsapi.h"
#include "mozStoragePrivateHelpers.h"
#include "mozStorageAsyncStatement.h"
#include "mozStorageAsyncStatementParams.h"
#include "mozIStorageStatement.h"
#include "xpc_make_class.h"
namespace mozilla {
namespace storage {
////////////////////////////////////////////////////////////////////////////////
//// AsyncStatementParams
AsyncStatementParams::AsyncStatementParams(AsyncStatement *aStatement)
: mStatement(aStatement)
{
NS_ASSERTION(mStatement != nullptr, "mStatement is null");
}
NS_IMPL_ISUPPORTS(
AsyncStatementParams
, mozIStorageStatementParams
, nsIXPCScriptable
)
////////////////////////////////////////////////////////////////////////////////
//// nsIXPCScriptable
#define XPC_MAP_CLASSNAME AsyncStatementParams
#define XPC_MAP_QUOTED_CLASSNAME "AsyncStatementParams"
#define XPC_MAP_WANT_SETPROPERTY
#define XPC_MAP_WANT_RESOLVE
#define XPC_MAP_FLAGS nsIXPCScriptable::ALLOW_PROP_MODS_DURING_RESOLVE
#include "xpc_map_end.h"
NS_IMETHODIMP
AsyncStatementParams::SetProperty(
nsIXPConnectWrappedNative *aWrapper,
JSContext *aCtx,
JSObject *aScopeObj,
jsid aId,
JS::Value *_vp,
bool *_retval
)
{
NS_ENSURE_TRUE(mStatement, NS_ERROR_NOT_INITIALIZED);
if (JSID_IS_INT(aId)) {
int idx = JSID_TO_INT(aId);
nsCOMPtr<nsIVariant> variant(convertJSValToVariant(aCtx, *_vp));
NS_ENSURE_TRUE(variant, NS_ERROR_UNEXPECTED);
nsresult rv = mStatement->BindByIndex(idx, variant);
NS_ENSURE_SUCCESS(rv, rv);
}
else if (JSID_IS_STRING(aId)) {
JSString *str = JSID_TO_STRING(aId);
nsAutoJSString autoStr;
if (!autoStr.init(aCtx, str)) {
return NS_ERROR_FAILURE;
}
NS_ConvertUTF16toUTF8 name(autoStr);
nsCOMPtr<nsIVariant> variant(convertJSValToVariant(aCtx, *_vp));
NS_ENSURE_TRUE(variant, NS_ERROR_UNEXPECTED);
nsresult rv = mStatement->BindByName(name, variant);
NS_ENSURE_SUCCESS(rv, rv);
}
else {
return NS_ERROR_INVALID_ARG;
}
*_retval = true;
return NS_OK;
}
NS_IMETHODIMP
AsyncStatementParams::Resolve(nsIXPConnectWrappedNative *aWrapper,
JSContext *aCtx,
JSObject *aScopeObj,
jsid aId,
bool *aResolvedp,
bool *_retval)
{
JS::Rooted<JSObject*> scopeObj(aCtx, aScopeObj);
NS_ENSURE_TRUE(mStatement, NS_ERROR_NOT_INITIALIZED);
// We do not throw at any point after this because we want to allow the
// prototype chain to be checked for the property.
bool resolved = false;
bool ok = true;
if (JSID_IS_INT(aId)) {
uint32_t idx = JSID_TO_INT(aId);
// All indexes are good because we don't know how many parameters there
// really are.
ok = ::JS_DefineElement(aCtx, scopeObj, idx, JS::UndefinedHandleValue,
JSPROP_RESOLVING);
resolved = true;
}
else if (JSID_IS_STRING(aId)) {
// We are unable to tell if there's a parameter with this name and so
// we must assume that there is. This screws the rest of the prototype
// chain, but people really shouldn't be depending on this anyways.
JS::Rooted<jsid> id(aCtx, aId);
ok = ::JS_DefinePropertyById(aCtx, scopeObj, id, JS::UndefinedHandleValue,
JSPROP_RESOLVING);
resolved = true;
}
*_retval = ok;
*aResolvedp = resolved && ok;
return NS_OK;
}
} // namespace storage
} // namespace mozilla
|
