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
29namespace WebKit {
30
31bool 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
49void 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
62void* 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__)
71CFBundleRefNum 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