JavaScriptGlue/JSObject.cpp

   1 /*
   2  * Copyright (C) 2005 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  *
   8  * 1.  Redistributions of source code must retain the above copyright
   9  *     notice, this list of conditions and the following disclaimer.
  10  * 2.  Redistributions in binary form must reproduce the above copyright
  11  *     notice, this list of conditions and the following disclaimer in the
  12  *     documentation and/or other materials provided with the distribution.
  13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
  14  *     its contributors may be used to endorse or promote products derived
  15  *     from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #include "config.h"
  30 #include "JSObject.h"
  31
  32 JSUserObject::JSUserObject(JSObjectCallBacksPtr callBacks, JSObjectMarkProcPtr markProc, void *data, int dataType)
  33     : JSBase(kJSObjectTypeID), fCallBacks(*callBacks), fMarkProc(markProc), fData(data), fDataType(dataType)
  34 {
  35 }
  36
  37 JSUserObject::~JSUserObject()
  38 {
  39     if (fCallBacks.dispose)
  40     {
  41         fCallBacks.dispose(fData);
  42     }
  43 }
  44
  45 CFArrayRef JSUserObject::CopyPropertyNames(void)
  46 {
  47     CFArrayRef result = 0;
  48     if (fCallBacks.copyPropertyNames)
  49     {
  50         result = fCallBacks.copyPropertyNames(fData);
  51     }
  52     return result;
  53 }
  54
  55 JSUserObject* JSUserObject::CopyProperty(CFStringRef propertyName)
  56 {
  57     JSUserObject* result = 0;
  58     if (fCallBacks.copyProperty)
  59     {
  60         result = (JSUserObject*)fCallBacks.copyProperty(fData, propertyName);
  61     }
  62     return result;
  63 }
  64
  65 void JSUserObject::SetProperty(CFStringRef propertyName, JSUserObject* value)
  66 {
  67     if (fCallBacks.setProperty)
  68     {
  69         fCallBacks.setProperty(fData, propertyName, (JSObjectRef)value);
  70     }
  71
  72 }
  73
  74 bool JSUserObject::ImplementsCall()
  75 {
  76     return fCallBacks.callFunction ? true : false;
  77 }
  78
  79 JSUserObject* JSUserObject::CallFunction(JSUserObject* thisObj, CFArrayRef args)
  80 {
  81     JSUserObject* result = 0;
  82     if (fCallBacks.callFunction)
  83     {
  84         result = (JSUserObject*)fCallBacks.callFunction(fData, (JSObjectRef)thisObj, args);
  85     }
  86     return result;
  87
  88 }
  89
  90 CFTypeRef JSUserObject::CopyCFValue() const
  91 {
  92     CFTypeRef result = 0;
  93     if (fCallBacks.copyCFValue)
  94     {
  95         result = (JSUserObject*)fCallBacks.copyCFValue(fData);
  96     }
  97     return result;
  98 }
  99
 100 UInt8 JSUserObject::Equal(JSBase* other)
 101 {
 102     UInt8 result = false;
 103     JSUserObject* obj = (JSUserObject*)other;
 104     if (obj->GetTypeID() == kJSObjectTypeID)
 105     {
 106         if (fCallBacks.equal)
 107         {
 108             result = fCallBacks.equal(GetData(), obj->GetData());
 109         }
 110         else
 111         {
 112             CFTypeRef cf1 = CopyCFValue();
 113             CFTypeRef cf2 = obj->CopyCFValue();
 114             if (cf1 && cf2)
 115             {
 116                 result = CFEqual(cf1, cf2);
 117             }
 118             ReleaseCFType(cf2);
 119             ReleaseCFType(cf1);
 120         }
 121     }
 122     return result;
 123 }
 124
 125 void JSUserObject::Mark()
 126 {
 127     if (fMarkProc)
 128     {
 129         fMarkProc(fData);
 130     }
 131 }
 132
 133 void *JSUserObject::GetData()
 134 {
 135     return fData;
 136 }
 137
 138