1 /*
2 * Copyright (C) 2003, 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 "c_class.h"
31
32 #include "c_instance.h"
33 #include "c_runtime.h"
34 #include "npruntime_impl.h"
35 #include <runtime/ScopeChain.h>
36 #include <runtime/Identifier.h>
37 #include <runtime/JSLock.h>
38 #include <runtime/JSObject.h>
39 #include <wtf/text/StringHash.h>
40
41 namespace JSC { namespace Bindings {
42
CClass(NPClass * aClass)43 CClass::CClass(NPClass* aClass)
44 {
45 _isa = aClass;
46 }
47
~CClass()48 CClass::~CClass()
49 {
50 JSLock lock(SilenceAssertionsOnly);
51
52 deleteAllValues(_methods);
53 _methods.clear();
54
55 deleteAllValues(_fields);
56 _fields.clear();
57 }
58
59 typedef HashMap<NPClass*, CClass*> ClassesByIsAMap;
60 static ClassesByIsAMap* classesByIsA = 0;
61
classForIsA(NPClass * isa)62 CClass* CClass::classForIsA(NPClass* isa)
63 {
64 if (!classesByIsA)
65 classesByIsA = new ClassesByIsAMap;
66
67 CClass* aClass = classesByIsA->get(isa);
68 if (!aClass) {
69 aClass = new CClass(isa);
70 classesByIsA->set(isa, aClass);
71 }
72
73 return aClass;
74 }
75
methodsNamed(const Identifier & identifier,Instance * instance) const76 MethodList CClass::methodsNamed(const Identifier& identifier, Instance* instance) const
77 {
78 MethodList methodList;
79
80 Method* method = _methods.get(identifier.ustring().impl());
81 if (method) {
82 methodList.append(method);
83 return methodList;
84 }
85
86 NPIdentifier ident = _NPN_GetStringIdentifier(identifier.ascii().data());
87 const CInstance* inst = static_cast<const CInstance*>(instance);
88 NPObject* obj = inst->getObject();
89 if (_isa->hasMethod && _isa->hasMethod(obj, ident)){
90 Method* aMethod = new CMethod(ident); // deleted in the CClass destructor
91 {
92 JSLock lock(SilenceAssertionsOnly);
93 _methods.set(identifier.ustring().impl(), aMethod);
94 }
95 methodList.append(aMethod);
96 }
97
98 return methodList;
99 }
100
fieldNamed(const Identifier & identifier,Instance * instance) const101 Field* CClass::fieldNamed(const Identifier& identifier, Instance* instance) const
102 {
103 Field* aField = _fields.get(identifier.ustring().impl());
104 if (aField)
105 return aField;
106
107 NPIdentifier ident = _NPN_GetStringIdentifier(identifier.ascii().data());
108 const CInstance* inst = static_cast<const CInstance*>(instance);
109 NPObject* obj = inst->getObject();
110 if (_isa->hasProperty && _isa->hasProperty(obj, ident)){
111 aField = new CField(ident); // deleted in the CClass destructor
112 {
113 JSLock lock(SilenceAssertionsOnly);
114 _fields.set(identifier.ustring().impl(), aField);
115 }
116 }
117 return aField;
118 }
119
120 } } // namespace JSC::Bindings
121
122 #endif // ENABLE(NETSCAPE_PLUGIN_API)
123