qt-creator/src/plugins/cppeditor/cppquickfix.h

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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
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#ifndef CPPQUICKFIX_H
#define CPPQUICKFIX_H

#include "cpprefactoringchanges.h"
#include "cppsemanticinfo.h"

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

#include <QtCore/QSharedPointer>
#include <QtGui/QTextCursor>

namespace CppTools {
    class CppModelManagerInterface;
} // end of namespace CppTools

namespace ExtensionSystem {
class IPlugin;
}

namespace CppEditor {

namespace Internal {
class CppQuickFixCollector;
} // end of namespace Internal

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

public:
    CppQuickFixState(TextEditor::BaseTextEditor *editor);
    typedef Utils::ChangeSet::Range Range;

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

    using TextEditor::QuickFixState::range;
    using TextEditor::QuickFixState::textOf;
    using TextEditor::QuickFixState::charAt;

    CPlusPlus::Scope *scopeAt(unsigned index) const;

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

    Range range(unsigned tokenIndex) const;
    Range range(CPlusPlus::AST *ast) const;

    const CPlusPlus::Token &tokenAt(unsigned index) const;

    int startOf(unsigned index) const;
    int startOf(const CPlusPlus::AST *ast) const;
    int endOf(unsigned index) const;
    int endOf(const CPlusPlus::AST *ast) const;
    void startAndEndOf(unsigned index, int *start, int *end) const;

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

protected:
    QString fileName() const;

    CppRefactoringChanges *refactoringChanges() const;

    const CppQuickFixState &state() const;

protected: // Utility functions forwarding to CppQuickFixState
    typedef Utils::ChangeSet::Range Range;

    bool isCursorOn(unsigned tokenIndex) const { return state().isCursorOn(tokenIndex); }
    bool isCursorOn(const CPlusPlus::AST *ast) const { return state().isCursorOn(ast); }

    Range range(int start, int end) const { return CppQuickFixState::range(start, end); }
    Range range(unsigned tokenIndex) const { return state().range(tokenIndex); }
    Range range(CPlusPlus::AST *ast) const { return state().range(ast); }

    int startOf(unsigned index) const { return state().startOf(index); }
    int startOf(const CPlusPlus::AST *ast) const { return state().startOf(ast); }
    int endOf(unsigned index) const { return state().endOf(index); }
    int endOf(const CPlusPlus::AST *ast) const { return state().endOf(ast); }

private:
    CppQuickFixState _state;
    QScopedPointer<CppRefactoringChanges> _refactoringChanges;
};

class CPPEDITOR_EXPORT CppQuickFixFactory: public TextEditor::QuickFixFactory
{
    Q_OBJECT

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

    virtual QList<TextEditor::QuickFixOperation::Ptr> matchingOperations(TextEditor::QuickFixState *state);
    virtual QList<CppQuickFixOperation::Ptr> match(const CppQuickFixState &state) = 0;

protected:
    static QList<CppQuickFixOperation::Ptr> singleResult(CppQuickFixOperation *operation);
    static QList<CppQuickFixOperation::Ptr> noResult();
};

namespace Internal {

class CppQuickFixCollector: public TextEditor::QuickFixCollector
{
    Q_OBJECT

public:
    CppQuickFixCollector();
    virtual ~CppQuickFixCollector();

    virtual bool supportsEditor(TextEditor::ITextEditable *editor);
    virtual TextEditor::QuickFixState *initializeCompletion(TextEditor::BaseTextEditor *editor);

    virtual QList<TextEditor::QuickFixFactory *> quickFixFactories() const;

    static void registerQuickFixes(ExtensionSystem::IPlugin *plugIn);
};

} // end of namespace Internal
} // end of namespace CppEditor

#endif // CPPQUICKFIX_H