blob: 776c2cb7640dc16719768d3aa232ae3771d6a553 [file] [log] [blame]
/*
* Copyright (C) 2013 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.
*/
#include "config.h"
#include "TextNodeTraversal.h"
#include "ContainerNode.h"
#include <wtf/text/StringBuilder.h>
namespace WebCore {
namespace TextNodeTraversal {
void appendContents(const ContainerNode& root, StringBuilder& result)
{
for (Text* text = TextNodeTraversal::firstWithin(root); text; text = TextNodeTraversal::next(*text, &root))
result.append(text->data());
}
String contentsAsString(const ContainerNode& root)
{
StringBuilder result;
appendContents(root, result);
return result.toString();
}
String contentsAsString(const Node& root)
{
if (auto text = dynamicDowncast<Text>(root))
return text->data();
if (auto containerNode = dynamicDowncast<ContainerNode>(root))
return contentsAsString(*containerNode);
return String();
}
String childTextContent(const ContainerNode& root)
{
StringBuilder result;
for (Text* text = TextNodeTraversal::firstChild(root); text; text = TextNodeTraversal::nextSibling(*text))
result.append(text->data());
return result.toString();
}
}
}