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1/*
2 * Copyright (C) 2008, 2009 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. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#import "WebTextIterator.h"
27
28#import "DOMNodeInternal.h"
29#import "DOMRangeInternal.h"
30#import "WebTypesInternal.h"
31#import <JavaScriptCore/Vector.h>
32#import <WebCore/TextIterator.h>
33#import <WebCore/WebCoreObjCExtras.h>
34
35using namespace JSC;
36using namespace WebCore;
37
38@interface WebTextIteratorPrivate : NSObject {
39@public
40    OwnPtr<TextIterator> _textIterator;
41}
42@end
43
44@implementation WebTextIteratorPrivate
45
46+ (void)initialize
47{
48#ifndef BUILDING_ON_TIGER
49    WebCoreObjCFinalizeOnMainThread(self);
50#endif
51}
52
53@end
54
55@implementation WebTextIterator
56
57- (void)dealloc
58{
59    [_private release];
60    [super dealloc];
61}
62
63- (id)initWithRange:(DOMRange *)range
64{
65    self = [super init];
66    if (!self)
67        return self;
68
69    _private = [[WebTextIteratorPrivate alloc] init];
70    _private->_textIterator.set(new TextIterator(core(range)));
71    return self;
72}
73
74- (void)advance
75{
76    _private->_textIterator->advance();
77}
78
79- (BOOL)atEnd
80{
81    return _private->_textIterator->atEnd();
82}
83
84- (DOMRange *)currentRange
85{
86    return kit(_private->_textIterator->range().get());
87}
88
89- (const unichar *)currentTextPointer
90{
91    return _private->_textIterator->characters();
92}
93
94- (NSUInteger)currentTextLength
95{
96    return _private->_textIterator->length();
97}
98
99@end
100
101@implementation WebTextIterator (WebTextIteratorDeprecated)
102
103- (DOMNode *)currentNode
104{
105    return kit(_private->_textIterator->node());
106}
107
108- (NSString *)currentText
109{
110    return [NSString stringWithCharacters:_private->_textIterator->characters() length:_private->_textIterator->length()];
111}
112
113@end
114