Code drop from //branches/cupcake/...@124589

1 files changed, 108 insertions, 0 deletions

diff --git a/WebKit/mac/WebView/WebTextIterator.mm b/WebKit/mac/WebView/WebTextIterator.mm
new file mode 100644
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+++ b/WebKit/mac/WebView/WebTextIterator.mm
@@ -0,0 +1,108 @@
+/*
+ * 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