/*

 * Copyright (C) 2008, 2009 Apple Inc. All Rights Reserved.

 *

 * 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.

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 INC. OR

 * 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 "WebTextIterator.h"

#import "DOMNodeInternal.h"

#import "DOMRangeInternal.h"

#import "WebTypesInternal.h"

#import <JavaScriptCore/Vector.h>

#import <WebCore/TextIterator.h>

#import <WebCore/WebCoreObjCExtras.h>

#import <runtime/InitializeThreading.h>

#import <wtf/Threading.h>

using namespace JSC;

using namespace WebCore;

@interface WebTextIteratorPrivate : NSObject {

@public

    OwnPtr<TextIterator> _textIterator;

}

@end

@implementation WebTextIteratorPrivate

+ (void)initialize

{

    JSC::initializeThreading();

    WTF::initializeMainThreadToProcessMainThread();

#ifndef BUILDING_ON_TIGER

    WebCoreObjCFinalizeOnMainThread(self);

#endif

}

@end

@implementation WebTextIterator

- (void)dealloc

{

    [_private release];

    [super dealloc];

}

- (id)initWithRange:(DOMRange *)range

{

    self = [super init];

    if (!self)

        return self;

    _private = [[WebTextIteratorPrivate alloc] init];

    _private->_textIterator.set(new TextIterator(core(range)));

    return self;

}

- (void)advance

{

    _private->_textIterator->advance();

}

- (BOOL)atEnd

{

    return _private->_textIterator->atEnd();

}

- (DOMRange *)currentRange

{

    return kit(_private->_textIterator->range().get());

}

- (const unichar *)currentTextPointer

{

    return _private->_textIterator->characters();

}

- (NSUInteger)currentTextLength

{

    return _private->_textIterator->length();

}

@end

@implementation WebTextIterator (WebTextIteratorDeprecated)

- (DOMNode *)currentNode

{

    return kit(_private->_textIterator->node());

}

- (NSString *)currentText

{

    return [NSString stringWithCharacters:_private->_textIterator->characters() length:_private->_textIterator->length()];

}

@end