Home | History | Annotate | Download | only in c 
      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/Identifier.h>
     36 #include <runtime/JSLock.h>
     37 
     38 namespace JSC { namespace Bindings {
     39 
     40 CClass::CClass(NPClass* aClass)
     41 {
     42     _isa = aClass;
     43 }
     44 
     45 CClass::~CClass()
     46 {
     47     JSLock lock(SilenceAssertionsOnly);
     48 
     49     deleteAllValues(_methods);
     50     _methods.clear();
     51 
     52     deleteAllValues(_fields);
     53     _fields.clear();
     54 }
     55 
     56 typedef HashMap<NPClass*, CClass*> ClassesByIsAMap;
     57 static ClassesByIsAMap* classesByIsA = 0;
     58 
     59 CClass* CClass::classForIsA(NPClass* isa)
     60 {
     61     if (!classesByIsA)
     62         classesByIsA = new ClassesByIsAMap;
     63 
     64     CClass* aClass = classesByIsA->get(isa);
     65     if (!aClass) {
     66         aClass = new CClass(isa);
     67         classesByIsA->set(isa, aClass);
     68     }
     69 
     70     return aClass;
     71 }
     72 
     73 MethodList CClass::methodsNamed(const Identifier& identifier, Instance* instance) const
     74 {
     75     MethodList methodList;
     76 
     77     Method* method = _methods.get(identifier.ustring().rep());
     78     if (method) {
     79         methodList.append(method);
     80         return methodList;
     81     }
     82 
     83     NPIdentifier ident = _NPN_GetStringIdentifier(identifier.ascii());
     84     const CInstance* inst = static_cast<const CInstance*>(instance);
     85     NPObject* obj = inst->getObject();
     86     if (_isa->hasMethod && _isa->hasMethod(obj, ident)){
     87         Method* aMethod = new CMethod(ident); // deleted in the CClass destructor
     88         {
     89             JSLock lock(SilenceAssertionsOnly);
     90             _methods.set(identifier.ustring().rep(), aMethod);
     91         }
     92         methodList.append(aMethod);
     93     }
     94 
     95     return methodList;
     96 }
     97 
     98 Field* CClass::fieldNamed(const Identifier& identifier, Instance* instance) const
     99 {
    100     Field* aField = _fields.get(identifier.ustring().rep());
    101     if (aField)
    102         return aField;
    103 
    104     NPIdentifier ident = _NPN_GetStringIdentifier(identifier.ascii());
    105     const CInstance* inst = static_cast<const CInstance*>(instance);
    106     NPObject* obj = inst->getObject();
    107     if (_isa->hasProperty && _isa->hasProperty(obj, ident)){
    108         aField = new CField(ident); // deleted in the CClass destructor
    109         {
    110             JSLock lock(SilenceAssertionsOnly);
    111             _fields.set(identifier.ustring().rep(), aField);
    112         }
    113     }
    114     return aField;
    115 }
    116 
    117 } } // namespace JSC::Bindings
    118 
    119 #endif // ENABLE(NETSCAPE_PLUGIN_API)
    120