Merge TextCheckingHelper into SpellChecker Part 5

third_party/WebKit/Source/core/editing/spellcheck/TextCheckingHelper.cpp

Index: third_party/WebKit/Source/core/editing/spellcheck/TextCheckingHelper.cpp
diff --git a/third_party/WebKit/Source/core/editing/spellcheck/TextCheckingHelper.cpp b/third_party/WebKit/Source/core/editing/spellcheck/TextCheckingHelper.cpp
deleted file mode 100644
index 2b5099561a8e88789864d3806e9538dda0e5e1ab..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/editing/spellcheck/TextCheckingHelper.cpp
+++ /dev/null
@@ -1,181 +0,0 @@
-/*
- * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
- * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
- *
- * 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 COMPUTER, 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 COMPUTER, 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 "core/editing/spellcheck/TextCheckingHelper.h"
-
-#include "core/dom/Range.h"
-#include "core/editing/VisiblePosition.h"
-#include "core/editing/VisibleUnits.h"
-#include "core/editing/iterators/CharacterIterator.h"
-
-namespace blink {
-
-static EphemeralRange expandToParagraphBoundary(const EphemeralRange& range)
-{
-    const VisiblePosition& start = createVisiblePosition(range.startPosition());
-    DCHECK(start.isNotNull()) << range.startPosition();
-    const VisiblePosition& paragraphStart = startOfParagraph(start);
-    DCHECK(paragraphStart.isNotNull()) << range.startPosition();
-
-    const VisiblePosition& end = createVisiblePosition(range.endPosition());
-    DCHECK(end.isNotNull()) << range.endPosition();
-    const VisiblePosition& paragraphEnd = endOfParagraph(end);
-    DCHECK(paragraphEnd.isNotNull()) << range.endPosition();
-
-    return EphemeralRange(paragraphStart.deepEquivalent(), paragraphEnd.deepEquivalent());
-}
-
-TextCheckingParagraph::TextCheckingParagraph(const EphemeralRange& checkingRange)
-    : m_checkingRange(checkingRange)
-    , m_checkingStart(-1)
-    , m_checkingEnd(-1)
-    , m_checkingLength(-1)
-{
-}
-
-TextCheckingParagraph::TextCheckingParagraph(const EphemeralRange& checkingRange, const EphemeralRange& paragraphRange)
-    : m_checkingRange(checkingRange)
-    , m_paragraphRange(paragraphRange)
-    , m_checkingStart(-1)
-    , m_checkingEnd(-1)
-    , m_checkingLength(-1)
-{
-}
-
-TextCheckingParagraph::TextCheckingParagraph(Range* checkingRange, Range* paragraphRange)
-    : m_checkingRange(checkingRange)
-    , m_paragraphRange(paragraphRange)
-    , m_checkingStart(-1)
-    , m_checkingEnd(-1)
-    , m_checkingLength(-1)
-{
-}
-
-TextCheckingParagraph::~TextCheckingParagraph()
-{
-}
-
-void TextCheckingParagraph::expandRangeToNextEnd()
-{
-    DCHECK(m_checkingRange.isNotNull());
-    setParagraphRange(EphemeralRange(paragraphRange().startPosition(), endOfParagraph(startOfNextParagraph(createVisiblePosition(paragraphRange().startPosition()))).deepEquivalent()));
-    invalidateParagraphRangeValues();
-}
-
-void TextCheckingParagraph::invalidateParagraphRangeValues()
-{
-    m_checkingStart = m_checkingEnd = -1;
-    m_offsetAsRange = EphemeralRange();
-    m_text = String();
-}
-
-int TextCheckingParagraph::rangeLength() const
-{
-    DCHECK(m_checkingRange.isNotNull());
-    return TextIterator::rangeLength(paragraphRange().startPosition(), paragraphRange().endPosition());
-}
-
-EphemeralRange TextCheckingParagraph::paragraphRange() const
-{
-    DCHECK(m_checkingRange.isNotNull());
-    if (m_paragraphRange.isNull())
-        m_paragraphRange = expandToParagraphBoundary(checkingRange());
-    return m_paragraphRange;
-}
-
-void TextCheckingParagraph::setParagraphRange(const EphemeralRange& range)
-{
-    m_paragraphRange = range;
-}
-
-EphemeralRange TextCheckingParagraph::subrange(int characterOffset, int characterCount) const
-{
-    DCHECK(m_checkingRange.isNotNull());
-    return calculateCharacterSubrange(paragraphRange(), characterOffset, characterCount);
-}
-
-int TextCheckingParagraph::offsetTo(const Position& position) const
-{
-    DCHECK(m_checkingRange.isNotNull());
-    return TextIterator::rangeLength(offsetAsRange().startPosition(), position);
-}
-
-bool TextCheckingParagraph::isEmpty() const
-{
-    // Both predicates should have same result, but we check both just to be sure.
-    // We need to investigate to remove this redundancy.
-    return isRangeEmpty() || isTextEmpty();
-}
-
-EphemeralRange TextCheckingParagraph::offsetAsRange() const
-{
-    DCHECK(m_checkingRange.isNotNull());
-    if (m_offsetAsRange.isNotNull())
-        return m_offsetAsRange;
-    const Position& paragraphStart = paragraphRange().startPosition();
-    const Position& checkingStart = checkingRange().startPosition();
-    if (paragraphStart <= checkingStart) {
-        m_offsetAsRange = EphemeralRange(paragraphStart, checkingStart);
-        return m_offsetAsRange;
-    }
-    // editing/pasteboard/paste-table-001.html and more reach here.
-    m_offsetAsRange = EphemeralRange(checkingStart, paragraphStart);
-    return m_offsetAsRange;
-}
-
-const String& TextCheckingParagraph::text() const
-{
-    DCHECK(m_checkingRange.isNotNull());
-    if (m_text.isEmpty())
-        m_text = plainText(paragraphRange());
-    return m_text;
-}
-
-int TextCheckingParagraph::checkingStart() const
-{
-    DCHECK(m_checkingRange.isNotNull());
-    if (m_checkingStart == -1)
-        m_checkingStart = TextIterator::rangeLength(offsetAsRange().startPosition(), offsetAsRange().endPosition());
-    return m_checkingStart;
-}
-
-int TextCheckingParagraph::checkingEnd() const
-{
-    DCHECK(m_checkingRange.isNotNull());
-    if (m_checkingEnd == -1)
-        m_checkingEnd = checkingStart() + TextIterator::rangeLength(checkingRange().startPosition(), checkingRange().endPosition());
-    return m_checkingEnd;
-}
-
-int TextCheckingParagraph::checkingLength() const
-{
-    DCHECK(m_checkingRange.isNotNull());
-    if (-1 == m_checkingLength)
-        m_checkingLength = TextIterator::rangeLength(checkingRange().startPosition(), checkingRange().endPosition());
-    return m_checkingLength;
-}
-
-} // namespace blink