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/*
* Copyright (C) 2011 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
* OWNER 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 "DocumentMarker.h"
namespace WebCore {
DocumentMarkerDetails::~DocumentMarkerDetails()
{
}
class DocumentMarkerDescription : public DocumentMarkerDetails {
public:
static PassRefPtr<DocumentMarkerDescription> create(const String&);
const String& description() const { return m_description; }
virtual bool isDescription() const { return true; }
private:
DocumentMarkerDescription(const String& description)
: m_description(description)
{
}
String m_description;
};
PassRefPtr<DocumentMarkerDescription> DocumentMarkerDescription::create(const String& description)
{
return adoptRef(new DocumentMarkerDescription(description));
}
inline DocumentMarkerDescription* toDocumentMarkerDescription(DocumentMarkerDetails* details)
{
if (details && details->isDescription())
return static_cast<DocumentMarkerDescription*>(details);
return 0;
}
class DocumentMarkerTextMatch : public DocumentMarkerDetails {
public:
static PassRefPtr<DocumentMarkerTextMatch> instanceFor(bool);
bool activeMatch() const { return m_match; }
virtual bool isTextMatch() const { return true; }
private:
explicit DocumentMarkerTextMatch(bool match)
: m_match(match)
{
}
bool m_match;
};
PassRefPtr<DocumentMarkerTextMatch> DocumentMarkerTextMatch::instanceFor(bool match)
{
DEFINE_STATIC_LOCAL(RefPtr<DocumentMarkerTextMatch>, trueInstance, (adoptRef(new DocumentMarkerTextMatch(true))));
DEFINE_STATIC_LOCAL(RefPtr<DocumentMarkerTextMatch>, falseInstance, (adoptRef(new DocumentMarkerTextMatch(false))));
return match ? trueInstance : falseInstance;
}
inline DocumentMarkerTextMatch* toDocumentMarkerTextMatch(DocumentMarkerDetails* details)
{
if (details && details->isTextMatch())
return static_cast<DocumentMarkerTextMatch*>(details);
return 0;
}
DocumentMarker::DocumentMarker()
: m_type(Spelling), m_startOffset(0), m_endOffset(0)
{
}
DocumentMarker::DocumentMarker(MarkerType type, unsigned startOffset, unsigned endOffset)
: m_type(type), m_startOffset(startOffset), m_endOffset(endOffset)
{
}
DocumentMarker::DocumentMarker(MarkerType type, unsigned startOffset, unsigned endOffset, const String& description)
: m_type(type)
, m_startOffset(startOffset)
, m_endOffset(endOffset)
, m_details(description.isEmpty() ? 0 : DocumentMarkerDescription::create(description))
{
}
DocumentMarker::DocumentMarker(unsigned startOffset, unsigned endOffset, bool activeMatch)
: m_type(DocumentMarker::TextMatch)
, m_startOffset(startOffset)
, m_endOffset(endOffset)
, m_details(DocumentMarkerTextMatch::instanceFor(activeMatch))
{
}
DocumentMarker::DocumentMarker(MarkerType type, unsigned startOffset, unsigned endOffset, PassRefPtr<DocumentMarkerDetails> details)
: m_type(type)
, m_startOffset(startOffset)
, m_endOffset(endOffset)
, m_details(details)
{
}
void DocumentMarker::shiftOffsets(int delta)
{
m_startOffset += delta;
m_endOffset += delta;
}
void DocumentMarker::setActiveMatch(bool active)
{
m_details = DocumentMarkerTextMatch::instanceFor(active);
}
const String& DocumentMarker::description() const
{
if (DocumentMarkerDescription* details = toDocumentMarkerDescription(m_details.get()))
return details->description();
return emptyString();
}
bool DocumentMarker::activeMatch() const
{
if (DocumentMarkerTextMatch* details = toDocumentMarkerTextMatch(m_details.get()))
return details->activeMatch();
return false;
}
} // namespace WebCore
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