bindings/c/c_runtime.cpp

   1 /*
   2  * Copyright (C) 2004 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_runtime.h"
  31
  32 #include "c_instance.h"
  33 #include "c_utility.h"
  34 #include "npruntime_impl.h"
  35
  36 namespace KJS {
  37 namespace Bindings {
  38
  39 // ---------------------- CMethod ----------------------
  40
  41 const char* CMethod::name() const
  42 {
  43     PrivateIdentifier *i = (PrivateIdentifier *)_methodIdentifier;
  44     return i->isString ? i->value.string : 0;
  45 }
  46
  47 // ---------------------- CField ----------------------
  48
  49 const char* CField::name() const
  50 {
  51     PrivateIdentifier *i = (PrivateIdentifier *)_fieldIdentifier;
  52     return i->isString ? i->value.string : 0;
  53 }
  54
  55 JSValue* CField::valueFromInstance(ExecState* exec, const Instance* inst) const
  56 {
  57     const CInstance* instance = static_cast<const CInstance*>(inst);
  58     NPObject* obj = instance->getObject();
  59     if (obj->_class->getProperty) {
  60         NPVariant property;
  61         VOID_TO_NPVARIANT(property);
  62
  63         bool result;
  64         {
  65            JSLock::DropAllLocks dropAllLocks;
  66             result = obj->_class->getProperty(obj, _fieldIdentifier, &property);
  67         }
  68         if (result) {
  69             JSValue* result = convertNPVariantToValue(exec, &property, instance->rootObject());
  70             _NPN_ReleaseVariantValue(&property);
  71             return result;
  72         }
  73     }
  74     return jsUndefined();
  75 }
  76
  77 void CField::setValueToInstance(ExecState *exec, const Instance *inst, JSValue *aValue) const
  78 {
  79     const CInstance* instance = static_cast<const CInstance*>(inst);
  80     NPObject* obj = instance->getObject();
  81     if (obj->_class->setProperty) {
  82         NPVariant variant;
  83         convertValueToNPVariant(exec, aValue, &variant);
  84
  85         {
  86            JSLock::DropAllLocks dropAllLocks;
  87             obj->_class->setProperty(obj, _fieldIdentifier, &variant);
  88         }
  89
  90         _NPN_ReleaseVariantValue(&variant);
  91     }
  92 }
  93
  94 } }
  95
  96 #endif // ENABLE(NETSCAPE_API)