1 /*
2 * Copyright (C) 2004, 2006 Apple Computer, Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27
28 #if ENABLE(NETSCAPE_PLUGIN_API)
29
30 #include "IdentifierRep.h"
31 #include "npruntime_internal.h"
32 #include "npruntime_impl.h"
33 #include "npruntime_priv.h"
34
35 #include "c_utility.h"
36 #include <runtime/Identifier.h>
37 #include <runtime/JSLock.h>
38 #include <wtf/Assertions.h>
39 #include <wtf/HashMap.h>
40
41 using namespace JSC::Bindings;
42 using namespace WebCore;
43
_NPN_GetStringIdentifier(const NPUTF8 * name)44 NPIdentifier _NPN_GetStringIdentifier(const NPUTF8* name)
45 {
46 return static_cast<NPIdentifier>(IdentifierRep::get(name));
47 }
48
_NPN_GetStringIdentifiers(const NPUTF8 ** names,int32_t nameCount,NPIdentifier * identifiers)49 void _NPN_GetStringIdentifiers(const NPUTF8** names, int32_t nameCount, NPIdentifier* identifiers)
50 {
51 ASSERT(names);
52 ASSERT(identifiers);
53
54 if (names && identifiers) {
55 for (int i = 0; i < nameCount; i++)
56 identifiers[i] = _NPN_GetStringIdentifier(names[i]);
57 }
58 }
59
_NPN_GetIntIdentifier(int32_t intid)60 NPIdentifier _NPN_GetIntIdentifier(int32_t intid)
61 {
62 return static_cast<NPIdentifier>(IdentifierRep::get(intid));
63 }
64
_NPN_IdentifierIsString(NPIdentifier identifier)65 bool _NPN_IdentifierIsString(NPIdentifier identifier)
66 {
67 return static_cast<IdentifierRep*>(identifier)->isString();
68 }
69
_NPN_UTF8FromIdentifier(NPIdentifier identifier)70 NPUTF8 *_NPN_UTF8FromIdentifier(NPIdentifier identifier)
71 {
72 const char* string = static_cast<IdentifierRep*>(identifier)->string();
73 if (!string)
74 return 0;
75
76 return strdup(string);
77 }
78
_NPN_IntFromIdentifier(NPIdentifier identifier)79 int32_t _NPN_IntFromIdentifier(NPIdentifier identifier)
80 {
81 return static_cast<IdentifierRep*>(identifier)->number();
82 }
83
NPN_InitializeVariantWithStringCopy(NPVariant * variant,const NPString * value)84 void NPN_InitializeVariantWithStringCopy(NPVariant* variant, const NPString* value)
85 {
86 variant->type = NPVariantType_String;
87 variant->value.stringValue.UTF8Length = value->UTF8Length;
88 variant->value.stringValue.UTF8Characters = (NPUTF8 *)malloc(sizeof(NPUTF8) * value->UTF8Length);
89 if (!variant->value.stringValue.UTF8Characters)
90 CRASH();
91 memcpy((void*)variant->value.stringValue.UTF8Characters, value->UTF8Characters, sizeof(NPUTF8) * value->UTF8Length);
92 }
93
_NPN_ReleaseVariantValue(NPVariant * variant)94 void _NPN_ReleaseVariantValue(NPVariant* variant)
95 {
96 ASSERT(variant);
97
98 if (variant->type == NPVariantType_Object) {
99 _NPN_ReleaseObject(variant->value.objectValue);
100 variant->value.objectValue = 0;
101 } else if (variant->type == NPVariantType_String) {
102 free((void*)variant->value.stringValue.UTF8Characters);
103 variant->value.stringValue.UTF8Characters = 0;
104 variant->value.stringValue.UTF8Length = 0;
105 }
106
107 variant->type = NPVariantType_Void;
108 }
109
_NPN_CreateObject(NPP npp,NPClass * aClass)110 NPObject *_NPN_CreateObject(NPP npp, NPClass* aClass)
111 {
112 ASSERT(aClass);
113
114 if (aClass) {
115 NPObject* obj;
116 if (aClass->allocate != NULL)
117 obj = aClass->allocate(npp, aClass);
118 else
119 obj = (NPObject*)malloc(sizeof(NPObject));
120 if (!obj)
121 CRASH();
122 obj->_class = aClass;
123 obj->referenceCount = 1;
124
125 return obj;
126 }
127
128 return 0;
129 }
130
_NPN_RetainObject(NPObject * obj)131 NPObject* _NPN_RetainObject(NPObject* obj)
132 {
133 ASSERT(obj);
134
135 if (obj)
136 obj->referenceCount++;
137
138 return obj;
139 }
140
_NPN_ReleaseObject(NPObject * obj)141 void _NPN_ReleaseObject(NPObject* obj)
142 {
143 ASSERT(obj);
144 ASSERT(obj->referenceCount >= 1);
145
146 if (obj && obj->referenceCount >= 1) {
147 if (--obj->referenceCount == 0)
148 _NPN_DeallocateObject(obj);
149 }
150 }
151
_NPN_DeallocateObject(NPObject * obj)152 void _NPN_DeallocateObject(NPObject *obj)
153 {
154 ASSERT(obj);
155
156 if (obj) {
157 if (obj->_class->deallocate)
158 obj->_class->deallocate(obj);
159 else
160 free(obj);
161 }
162 }
163
164 #endif // ENABLE(NETSCAPE_PLUGIN_API)
165