c_class.cpp 3.6 KB

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  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. #include "config.h"
  26. #if ENABLE(NETSCAPE_PLUGIN_API)
  27. #include "c_class.h"
  28. #include "c_instance.h"
  29. #include "c_runtime.h"
  30. #include "npruntime_impl.h"
  31. #include <runtime/Identifier.h>
  32. #include <runtime/JSGlobalObject.h>
  33. #include <runtime/JSObject.h>
  34. #include <wtf/text/StringHash.h>
  35. namespace JSC { namespace Bindings {
  36. CClass::CClass(NPClass* aClass)
  37. {
  38. _isa = aClass;
  39. }
  40. CClass::~CClass()
  41. {
  42. deleteAllValues(_methods);
  43. _methods.clear();
  44. deleteAllValues(_fields);
  45. _fields.clear();
  46. }
  47. typedef HashMap<NPClass*, CClass*> ClassesByIsAMap;
  48. static ClassesByIsAMap* classesByIsA = 0;
  49. CClass* CClass::classForIsA(NPClass* isa)
  50. {
  51. if (!classesByIsA)
  52. classesByIsA = new ClassesByIsAMap;
  53. CClass* aClass = classesByIsA->get(isa);
  54. if (!aClass) {
  55. aClass = new CClass(isa);
  56. classesByIsA->set(isa, aClass);
  57. }
  58. return aClass;
  59. }
  60. Method* CClass::methodNamed(PropertyName propertyName, Instance* instance) const
  61. {
  62. String name(propertyName.publicName());
  63. if (Method* method = _methods.get(name.impl()))
  64. return method;
  65. NPIdentifier ident = _NPN_GetStringIdentifier(name.ascii().data());
  66. const CInstance* inst = static_cast<const CInstance*>(instance);
  67. NPObject* obj = inst->getObject();
  68. if (_isa->hasMethod && _isa->hasMethod(obj, ident)){
  69. Method* method = new CMethod(ident); // deleted in the CClass destructor
  70. _methods.set(name.impl(), method);
  71. return method;
  72. }
  73. return 0;
  74. }
  75. Field* CClass::fieldNamed(PropertyName propertyName, Instance* instance) const
  76. {
  77. String name(propertyName.publicName());
  78. Field* aField = _fields.get(name.impl());
  79. if (aField)
  80. return aField;
  81. NPIdentifier ident = _NPN_GetStringIdentifier(name.ascii().data());
  82. const CInstance* inst = static_cast<const CInstance*>(instance);
  83. NPObject* obj = inst->getObject();
  84. if (_isa->hasProperty && _isa->hasProperty(obj, ident)){
  85. aField = new CField(ident); // deleted in the CClass destructor
  86. _fields.set(name.impl(), aField);
  87. }
  88. return aField;
  89. }
  90. } } // namespace JSC::Bindings
  91. #endif // ENABLE(NETSCAPE_PLUGIN_API)