bindings/c/c_class.cpp

   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_API)
  29
  30 #include "c_class.h"
  31
  32 #include "c_instance.h"
  33 #include "c_runtime.h"
  34 #include "identifier.h"
  35 #include "npruntime_impl.h"
  36
  37 namespace KJS { namespace Bindings {
  38
  39 CClass::CClass(NPClass* aClass)
  40 {
  41     _isa = aClass;
  42 }
  43
  44 CClass::~CClass()
  45 {
  46     JSLock lock;
  47
  48     deleteAllValues(_methods);
  49     _methods.clear();
  50
  51     deleteAllValues(_fields);
  52     _fields.clear();
  53 }
  54
  55 typedef HashMap<NPClass*, CClass*> ClassesByIsAMap;
  56 static ClassesByIsAMap* classesByIsA = 0;
  57
  58 CClass* CClass::classForIsA(NPClass* isa)
  59 {
  60     if (!classesByIsA)
  61         classesByIsA = new ClassesByIsAMap;
  62
  63     CClass* aClass = classesByIsA->get(isa);
  64     if (!aClass) {
  65         aClass = new CClass(isa);
  66         classesByIsA->set(isa, aClass);
  67     }
  68
  69     return aClass;
  70 }
  71
  72 const char* CClass::name() const
  73 {
  74     return "";
  75 }
  76
  77 MethodList CClass::methodsNamed(const Identifier& identifier, Instance* instance) const
  78 {
  79     MethodList methodList;
  80
  81     Method* method = _methods.get(identifier.ustring().rep());
  82     if (method) {
  83         methodList.append(method);
  84         return methodList;
  85     }
  86
  87     NPIdentifier ident = _NPN_GetStringIdentifier(identifier.ascii());
  88     const CInstance* inst = static_cast<const CInstance*>(instance);
  89     NPObject* obj = inst->getObject();
  90     if (_isa->hasMethod && _isa->hasMethod(obj, ident)){
  91         Method* aMethod = new CMethod(ident); // deleted in the CClass destructor
  92         {
  93             JSLock lock;
  94             _methods.set(identifier.ustring().rep(), aMethod);
  95         }
  96         methodList.append(aMethod);
  97     }
  98
  99     return methodList;
 100 }
 101
 102 Field* CClass::fieldNamed(const Identifier& identifier, Instance* instance) const
 103 {
 104     Field* aField = _fields.get(identifier.ustring().rep());
 105     if (aField)
 106         return aField;
 107
 108     NPIdentifier ident = _NPN_GetStringIdentifier(identifier.ascii());
 109     const CInstance* inst = static_cast<const CInstance*>(instance);
 110     NPObject* obj = inst->getObject();
 111     if (_isa->hasProperty && _isa->hasProperty(obj, ident)){
 112         aField = new CField(ident); // deleted in the CClass destructor
 113         {
 114             JSLock lock;
 115             _fields.set(identifier.ustring().rep(), aField);
 116         }
 117     }
 118     return aField;
 119 }
 120
 121 } } // namespace KJS::Bindings
 122
 123 #endif // ENABLE(NETSCAPE_API)