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 

    37 using namespace JSC;

    38 using 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