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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
/*
* Copyright (C) 2004, 2006 Apple Computer, Inc. All rights reserved.
* Copyright (C) 2006 Alexey Proskuryakov (ap@nypop.com)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#if ENABLE(NETSCAPE_PLUGIN_API)
#include "c_utility.h"
#include "JSDOMWindow.h"
#include "NP_jsobject.h"
#include "c_instance.h"
#include <runtime/JSGlobalObject.h>
#include <runtime/JSLock.h>
#include "PlatformString.h"
#include "npruntime_impl.h"
#include "npruntime_priv.h"
#include "runtime_object.h"
#include "runtime_root.h"
#include <wtf/Assertions.h>
using WebCore::String;
namespace JSC { namespace Bindings {
static String convertUTF8ToUTF16WithLatin1Fallback(const NPUTF8* UTF8Chars, int UTF8Length)
{
ASSERT(UTF8Chars || UTF8Length == 0);
if (UTF8Length == -1)
UTF8Length = static_cast<int>(strlen(UTF8Chars));
String result = String::fromUTF8(UTF8Chars, UTF8Length);
// If we got back a null string indicating an unsuccessful conversion, fall back to latin 1.
// Some plugins return invalid UTF-8 in NPVariantType_String, see <http://bugs.webkit.org/show_bug.cgi?id=5163>
// There is no "bad data" for latin1. It is unlikely that the plugin was really sending text in this encoding,
// but it should have used UTF-8, and now we are simply avoiding a crash.
if (result.isNull())
result = String(UTF8Chars, UTF8Length);
return result;
}
// Variant value must be released with NPReleaseVariantValue()
void convertValueToNPVariant(ExecState* exec, JSValue value, NPVariant* result)
{
JSLock lock(SilenceAssertionsOnly);
VOID_TO_NPVARIANT(*result);
if (value.isString()) {
UString ustring = value.toString(exec);
CString cstring = ustring.UTF8String();
NPString string = { (const NPUTF8*)cstring.c_str(), static_cast<uint32_t>(cstring.size()) };
NPN_InitializeVariantWithStringCopy(result, &string);
} else if (value.isNumber()) {
DOUBLE_TO_NPVARIANT(value.toNumber(exec), *result);
} else if (value.isBoolean()) {
BOOLEAN_TO_NPVARIANT(value.toBoolean(exec), *result);
} else if (value.isNull()) {
NULL_TO_NPVARIANT(*result);
} else if (value.isObject()) {
JSObject* object = asObject(value);
if (object->classInfo() == &RuntimeObjectImp::s_info) {
RuntimeObjectImp* imp = static_cast<RuntimeObjectImp*>(object);
CInstance* instance = static_cast<CInstance*>(imp->getInternalInstance());
if (instance) {
NPObject* obj = instance->getObject();
_NPN_RetainObject(obj);
OBJECT_TO_NPVARIANT(obj, *result);
}
} else {
JSGlobalObject* globalObject = exec->dynamicGlobalObject();
RootObject* rootObject = findRootObject(globalObject);
if (rootObject) {
NPObject* npObject = _NPN_CreateScriptObject(0, object, rootObject);
OBJECT_TO_NPVARIANT(npObject, *result);
}
}
}
}
JSValue convertNPVariantToValue(ExecState* exec, const NPVariant* variant, RootObject* rootObject)
{
JSLock lock(SilenceAssertionsOnly);
NPVariantType type = variant->type;
if (type == NPVariantType_Bool)
return jsBoolean(NPVARIANT_TO_BOOLEAN(*variant));
if (type == NPVariantType_Null)
return jsNull();
if (type == NPVariantType_Void)
return jsUndefined();
if (type == NPVariantType_Int32)
return jsNumber(exec, NPVARIANT_TO_INT32(*variant));
if (type == NPVariantType_Double)
return jsNumber(exec, NPVARIANT_TO_DOUBLE(*variant));
if (type == NPVariantType_String)
return jsString(exec, convertNPStringToUTF16(&variant->value.stringValue));
if (type == NPVariantType_Object) {
NPObject* obj = variant->value.objectValue;
if (obj->_class == NPScriptObjectClass)
// Get JSObject from NP_JavaScriptObject.
return ((JavaScriptObject*)obj)->imp;
// Wrap NPObject in a CInstance.
return CInstance::create(obj, rootObject)->createRuntimeObject(exec);
}
return jsUndefined();
}
String convertNPStringToUTF16(const NPString* string)
{
return String::fromUTF8WithLatin1Fallback(string->UTF8Characters, string->UTF8Length);
}
Identifier identifierFromNPIdentifier(const NPUTF8* name)
{
return Identifier(WebCore::JSDOMWindow::commonJSGlobalData(), convertUTF8ToUTF16WithLatin1Fallback(name, -1));
}
} }
#endif // ENABLE(NETSCAPE_PLUGIN_API)
|
