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/*
* Copyright (C) 2008 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 <WebCore/TextIterator.h>
#import <wtf/Vector.h>
using namespace WebCore;
@interface WebTextIteratorPrivate : NSObject
{
@public
TextIterator* m_textIterator;
}
@end
@implementation WebTextIteratorPrivate
- (void)dealloc
{
delete m_textIterator;
[super dealloc];
}
- (void)finalize
{
delete m_textIterator;
[super finalize];
}
@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->m_textIterator = new TextIterator([range _range], true, false);
return self;
}
- (void)advance
{
ASSERT(_private->m_textIterator);
if (_private->m_textIterator->atEnd())
return;
_private->m_textIterator->advance();
}
- (DOMNode *)currentNode
{
ASSERT(_private->m_textIterator);
return [DOMNode _wrapNode:_private->m_textIterator->node()];
}
- (NSString *)currentText
{
ASSERT(_private->m_textIterator);
return [NSString stringWithCharacters:_private->m_textIterator->characters() length:_private->m_textIterator->length()];
}
- (BOOL)atEnd
{
ASSERT(_private->m_textIterator);
return _private->m_textIterator->atEnd();
}
@end
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