69 lines
2.8 KiB
C++
69 lines
2.8 KiB
C++
/*
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* Copyright (C) 2012 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "CompositeEditCommand.h"
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#include <wtf/text/WTFString.h>
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namespace WebCore {
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class Document;
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class VisibleSelection;
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class TextInsertionBaseCommand : public CompositeEditCommand {
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public:
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virtual ~TextInsertionBaseCommand() { };
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protected:
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explicit TextInsertionBaseCommand(Document&, EditAction = EditAction::Unspecified);
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static void applyTextInsertionCommand(Frame*, TextInsertionBaseCommand&, const VisibleSelection& selectionForInsertion, const VisibleSelection& endingSelection);
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};
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String dispatchBeforeTextInsertedEvent(const String& text, const VisibleSelection& selectionForInsertion, bool insertionIsForUpdatingComposition);
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bool canAppendNewLineFeedToSelection(const VisibleSelection&);
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// LineOperation should define member function "opeartor (size_t lineOffset, size_t lineLength, bool isLastLine)".
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// lienLength doesn't include the newline character. So the value of lineLength could be 0.
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template <class LineOperation>
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void forEachLineInString(const String& string, const LineOperation& operation)
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{
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unsigned offset = 0;
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size_t newline;
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while ((newline = string.find('\n', offset)) != notFound) {
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operation(offset, newline - offset, false);
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offset = newline + 1;
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}
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if (!offset)
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operation(0, string.length(), true);
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else {
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unsigned length = string.length();
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if (length != offset)
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operation(offset, length - offset, true);
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}
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}
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} // namespace WebCore
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