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/*
Copyright (C) 2016 Volker Krause <vkrause@kde.org>
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef KSYNTAXHIGHLIGHTING_STATE_H
#define KSYNTAXHIGHLIGHTING_STATE_H
#include "ksyntaxhighlighting_export.h"
#include <QExplicitlySharedDataPointer>
#include <QTypeInfo>
namespace KSyntaxHighlighting {
class StateData;
/** Opaque handle to the state of the highlighting engine.
* This needs to be fed into AbstractHighlighter for every line of text
* and allows concrete highlighter implementations to store state per
* line for fast re-highlighting of specific lines (e.g. during editing).
*
* @since 5.28
*/
class KSYNTAXHIGHLIGHTING_EXPORT State
{
public:
/** Creates an initial state, ie. what should be used for the first line
* in a document.
*/
State();
State(const State &other);
~State();
State& operator=(const State &rhs);
/** Compares two states for equality.
* For two equal states and identical text input, AbstractHighlighter
* guarantees to produce equal results. This can be used to only
* re-highlight as many lines as necessary during editing.
*/
bool operator==(const State &other) const;
/** Compares two states for inequality.
* This is the opposite of operator==().
*/
bool operator!=(const State &other) const;
/**
* Returns whether or not indentation-based folding is enabled in this state.
* When using a Definition with indentation-based folding, use
* this method to check if indentation-based folding has been
* suspended in the current line.
*
* @see Definition::indentationBasedFoldingEnabled()
*/
bool indentationBasedFoldingEnabled() const;
private:
friend class StateData;
QExplicitlySharedDataPointer<StateData> d;
};
}
QT_BEGIN_NAMESPACE
Q_DECLARE_TYPEINFO(KSyntaxHighlighting::State, Q_MOVABLE_TYPE);
QT_END_NAMESPACE
#endif // KSYNTAXHIGHLIGHTING_STATE_H
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