/*
* Copyright (C) 2012 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.
*/
#ifndef TextInsertionBaseCommand_h
#define TextInsertionBaseCommand_h
#include "core/editing/CompositeEditCommand.h"
#include "wtf/text/WTFString.h"
namespace WebCore {
class Document;
class VisibleSelection;
class TextInsertionBaseCommand : public CompositeEditCommand {
public:
virtual ~TextInsertionBaseCommand() { };
protected:
explicit TextInsertionBaseCommand(Document&);
static void applyTextInsertionCommand(LocalFrame*, PassRefPtr<TextInsertionBaseCommand>, const VisibleSelection& selectionForInsertion, const VisibleSelection& endingSelection);
};
String dispatchBeforeTextInsertedEvent(const String& text, const VisibleSelection& selectionForInsertion, bool insertionIsForUpdatingComposition);
bool canAppendNewLineFeedToSelection(const VisibleSelection&);
// LineOperation should define member function "opeartor (size_t lineOffset, size_t lineLength, bool isLastLine)".
// lienLength doesn't include the newline character. So the value of lineLength could be 0.
template <class LineOperation>
void forEachLineInString(const String& string, const LineOperation& operation)
{
unsigned offset = 0;
size_t newline;
while ((newline = string.find('\n', offset)) != kNotFound) {
operation(offset, newline - offset, false);
offset = newline + 1;
}
if (!offset)
operation(0, string.length(), true);
else {
unsigned length = string.length();
if (length != offset)
operation(offset, length - offset, true);
}
}
}
#endif