/*

 * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.

 *           (C) 2007 Graham Dennis (graham.dennis@gmail.com)

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * 1.  Redistributions of source code must retain the above copyright

 *     notice, this list of conditions and the following disclaimer. 

 * 2.  Redistributions in binary form must reproduce the above copyright

 *     notice, this list of conditions and the following disclaimer in the

 *     documentation and/or other materials provided with the distribution. 

 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of

 *     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

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY

 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#import "WebUnarchivingState.h"

#import "WebArchive.h"

#import <JavaScriptCore/Assertions.h>

#import "WebResource.h"

#import "WebResourcePrivate.h"

#import "WebNSURLExtras.h"

@implementation WebUnarchivingState

- (id)init

{

    if (!(self = [super init]))

        return nil;

    archivedSubframes = [[NSMutableDictionary alloc] init];

    archivedResources = [[NSMutableDictionary alloc] init];

    return self;

}

- (void)dealloc

{

    [archivedSubframes release];

    [archivedResources release];

    [super dealloc];

}

- (void)addArchive:(WebArchive *)archive

{

    NSEnumerator *enumerator = [[archive subresources] objectEnumerator];

    WebResource *subresource;

    while ((subresource = [enumerator nextObject]) != nil)

        [archivedResources setObject:subresource forKey:[[subresource URL] _web_originalDataAsString]];

    enumerator = [[archive subframeArchives] objectEnumerator];

    WebArchive *subframeArchive;

    while ((subframeArchive = [enumerator nextObject]) != nil) {

        NSString *frameName = [[subframeArchive mainResource] frameName];

        if (frameName)

            [archivedSubframes setObject:subframeArchive forKey:frameName];

    }

}

- (void)addResource:(WebResource *)subresource

{

    [archivedResources setObject:subresource forKey:[[subresource URL] _web_originalDataAsString]];

}

- (WebResource *)archivedResourceForURL:(NSURL *)URL

{

    WebResource *resource = [archivedResources objectForKey:[URL _web_originalDataAsString]];

    if ([resource _shouldIgnoreWhenUnarchiving]) 

        return nil;

    return resource;

}

- (WebArchive *)popSubframeArchiveWithFrameName:(NSString *)frameName

{

    ASSERT(frameName != nil);

    WebArchive *archive = [[[archivedSubframes objectForKey:frameName] retain] autorelease];

    if (archive != nil)

        [archivedSubframes removeObjectForKey:frameName];

    return archive;

}

@end