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** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** GNU Lesser General Public License Usage
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**
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#ifndef CPPQUICKFIX_H
#define CPPQUICKFIX_H

#include "cppeditor_global.h"
#include "cppsemanticinfo.h"

#include <ASTfwd.h>
#include <cplusplus/CppDocument.h>
#include <texteditor/quickfix.h>

namespace CppTools {
    class CppModelManagerInterface;
    class CppRefactoringFile;
    class CppRefactoringChanges;
} // namespace CppTools

namespace ExtensionSystem {
class IPlugin;
}

namespace CppEditor {

namespace Internal {
class CppQuickFixCollector;
} // namespace Internal

class CPPEDITOR_EXPORT CppQuickFixState: public TextEditor::QuickFixState
{
    friend class Internal::CppQuickFixCollector;

public:
    CppQuickFixState(TextEditor::BaseTextEditorWidget *editor);

    const QList<CPlusPlus::AST *> &path() const;
    CPlusPlus::Snapshot snapshot() const;
    CPlusPlus::Document::Ptr document() const;
    CppEditor::Internal::SemanticInfo semanticInfo() const;
    const CPlusPlus::LookupContext &context() const;

    const CppTools::CppRefactoringFile currentFile() const;

    bool isCursorOn(unsigned tokenIndex) const;
    bool isCursorOn(const CPlusPlus::AST *ast) const;

private:
    QList<CPlusPlus::AST *> _path;
    CPlusPlus::Snapshot _snapshot;
    CppEditor::Internal::SemanticInfo _semanticInfo;
    CPlusPlus::LookupContext _context;
};

class CPPEDITOR_EXPORT CppQuickFixOperation: public TextEditor::QuickFixOperation
{
    Q_DISABLE_COPY(CppQuickFixOperation)

public:
    explicit CppQuickFixOperation(const CppQuickFixState &state, int priority = -1);
    virtual ~CppQuickFixOperation();

    virtual void perform();

protected:
    virtual void performChanges(CppTools::CppRefactoringFile *currentFile,
                                CppTools::CppRefactoringChanges *refactoring) = 0;

    QString fileName() const;

    const CppQuickFixState &state() const;

private:
    CppQuickFixState _state;
};

class CPPEDITOR_EXPORT CppQuickFixFactory: public TextEditor::QuickFixFactory
{
    Q_OBJECT

public:
    CppQuickFixFactory();
    virtual ~CppQuickFixFactory();

    virtual QList<TextEditor::QuickFixOperation::Ptr> matchingOperations(TextEditor::QuickFixState *state);
    /*!
        Implement this method to match and create the appropriate
        CppQuickFixOperation objects.
     */
    virtual QList<CppQuickFixOperation::Ptr> match(const CppQuickFixState &state) = 0;

protected:
    /*!
        Creates a list of 1 single element: the shared-pointer to the given
        operation. This shared-pointer takes over the ownership (meaning the
        responsibility to delete the operation).
     */
    static QList<CppQuickFixOperation::Ptr> singleResult(CppQuickFixOperation *operation);

    /// Utility method which creates an empty list.
    static QList<CppQuickFixOperation::Ptr> noResult();
};

} // namespace CppEditor

#endif // CPPQUICKFIX_H