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      1 /*
      2  * Copyright (C) 2010 Apple 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 INC. AND ITS CONTRIBUTORS ``AS IS''
     14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
     17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     23  * THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #import "config.h"
     27 #import "Module.h"
     28 
     29 namespace WebKit {
     30 
     31 bool Module::load()
     32 {
     33     RetainPtr<CFStringRef> bundlePath(AdoptCF, m_path.createCFString());
     34     RetainPtr<CFURLRef> bundleURL(AdoptCF, CFURLCreateWithFileSystemPath(kCFAllocatorDefault, bundlePath.get(), kCFURLPOSIXPathStyle, FALSE));
     35     if (!bundleURL)
     36         return false;
     37 
     38     RetainPtr<CFBundleRef> bundle(AdoptCF, CFBundleCreate(kCFAllocatorDefault, bundleURL.get()));
     39     if (!bundle)
     40         return false;
     41 
     42     if (!CFBundleLoadExecutable(bundle.get()))
     43         return false;
     44 
     45     m_bundle.adoptCF(bundle.releaseRef());
     46     return true;
     47 }
     48 
     49 void Module::unload()
     50 {
     51     ASSERT(m_bundle);
     52 
     53 #if !defined(__LP64__)
     54     if (m_bundleResourceMap != -1)
     55         CFBundleCloseBundleResourceMap(m_bundle.get(), m_bundleResourceMap);
     56 #endif
     57 
     58     // See the comment in Module.h for why we leak the bundle here.
     59     m_bundle.releaseRef();
     60 }
     61 
     62 void* Module::platformFunctionPointer(const char* functionName) const
     63 {
     64     if (!m_bundle)
     65         return 0;
     66     RetainPtr<CFStringRef> functionNameString(AdoptCF, CFStringCreateWithCStringNoCopy(kCFAllocatorDefault, functionName, kCFStringEncodingASCII, kCFAllocatorNull));
     67     return CFBundleGetFunctionPointerForName(m_bundle.get(), functionNameString.get());
     68 }
     69 
     70 #if !defined(__LP64__)
     71 CFBundleRefNum Module::bundleResourceMap()
     72 {
     73     if (m_bundleResourceMap == -1)
     74         m_bundleResourceMap = CFBundleOpenBundleResourceMap(m_bundle.get());
     75 
     76     return m_bundleResourceMap;
     77 }
     78 #endif
     79 
     80 }
     81