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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#import <runtime/InitializeThreading.h>
35#import <wtf/Threading.h>
36
37using namespace JSC;
38using namespace WebCore;
39
40@interface WebTextIteratorPrivate : NSObject {
41@public
42    OwnPtr<TextIterator> _textIterator;
43}
44@end
45
46@implementation WebTextIteratorPrivate
47
48+ (void)initialize
49{
50    JSC::initializeThreading();
51    WTF::initializeMainThreadToProcessMainThread();
52#ifndef BUILDING_ON_TIGER
53    WebCoreObjCFinalizeOnMainThread(self);
54#endif
55}
56
57@end
58
59@implementation WebTextIterator
60
61- (void)dealloc
62{
63    [_private release];
64    [super dealloc];
65}
66
67- (id)initWithRange:(DOMRange *)range
68{
69    self = [super init];
70    if (!self)
71        return self;
72
73    _private = [[WebTextIteratorPrivate alloc] init];
74    _private->_textIterator.set(new TextIterator(core(range)));
75    return self;
76}
77
78- (void)advance
79{
80    _private->_textIterator->advance();
81}
82
83- (BOOL)atEnd
84{
85    return _private->_textIterator->atEnd();
86}
87
88- (DOMRange *)currentRange
89{
90    return kit(_private->_textIterator->range().get());
91}
92
93- (const unichar *)currentTextPointer
94{
95    return _private->_textIterator->characters();
96}
97
98- (NSUInteger)currentTextLength
99{
100    return _private->_textIterator->length();
101}
102
103@end
104
105@implementation WebTextIterator (WebTextIteratorDeprecated)
106
107- (DOMNode *)currentNode
108{
109    return kit(_private->_textIterator->node());
110}
111
112- (NSString *)currentText
113{
114    return [NSString stringWithCharacters:_private->_textIterator->characters() length:_private->_textIterator->length()];
115}
116
117@end
118