webkit/src/WebCore/loader/archive/cf/LegacyWebArchiveMac.mm

/*
 * Copyright (C) 2008, 2009 Apple Inc. All rights reserved.
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 *
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 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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#include "config.h"
#include "LegacyWebArchive.h"

namespace WebCore {

static const NSString *LegacyWebArchiveResourceResponseKey = @"WebResourceResponse";

// FIXME: If is is possible to parse in a serialized NSURLResponse manually, without using
// NSKeyedUnarchiver, manipulating plists directly, we would prefer to do that instead.
ResourceResponse LegacyWebArchive::createResourceResponseFromMacArchivedData(CFDataRef responseData)
{    
    ASSERT(responseData);
    if (!responseData)
        return ResourceResponse();
    
    NSURLResponse *response = nil;
    NSKeyedUnarchiver *unarchiver = [[NSKeyedUnarchiver alloc] initForReadingWithData:(NSData *)responseData];
    @try {
        id responseObject = [unarchiver decodeObjectForKey:LegacyWebArchiveResourceResponseKey];
        if ([responseObject isKindOfClass:[NSURLResponse class]])
            response = responseObject;
        [unarchiver finishDecoding];
    } @catch(id) {
        response = nil;
    }
    [unarchiver release];
    
    return ResourceResponse(response);
}

RetainPtr<CFDataRef> LegacyWebArchive::createPropertyListRepresentation(const ResourceResponse& response)
{    
    NSURLResponse *nsResponse = response.nsURLResponse();
    ASSERT(nsResponse);
    if (!nsResponse)
        return 0;

    CFMutableDataRef responseData = CFDataCreateMutable(0, 0);

    NSKeyedArchiver *archiver = [[NSKeyedArchiver alloc] initForWritingWithMutableData:(NSMutableData *)responseData];
    [archiver encodeObject:nsResponse forKey:LegacyWebArchiveResourceResponseKey];
    [archiver finishEncoding];
    [archiver release];
    
    return RetainPtr<CFDataRef>(AdoptCF, responseData);
}

}