IndexedStyleSheets.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
 
#ifndef INCLUDED_SVL_INDEXEDSTYLESHEETS_HXX
#define INCLUDED_SVL_INDEXEDSTYLESHEETS_HXX
 
#include <svl/style.hxx>
#include <rtl/ustring.hxx>
#include <rtl/ref.hxx>
 
#include <svl/svldllapi.h>
 
#include <unordered_map>
#include <vector>
 
namespace svl
{
struct StyleSheetPredicate
{
    virtual bool Check(const SfxStyleSheetBase& styleSheet) = 0;
    virtual ~StyleSheetPredicate() {}
};
 
struct StyleSheetDisposer
{
    virtual void Dispose(rtl::Reference<SfxStyleSheetBase> styleSheet) = 0;
    virtual ~StyleSheetDisposer() {}
};
 
struct StyleSheetCallback
{
    virtual void DoIt(const SfxStyleSheetBase& styleSheet) = 0;
    virtual ~StyleSheetCallback() {}
};
 
class SVL_DLLPUBLIC IndexedStyleSheets final
{
public:
    IndexedStyleSheets();
 
    ~IndexedStyleSheets();
 
    void AddStyleSheet(const rtl::Reference<SfxStyleSheetBase>& style);
 
    bool RemoveStyleSheet(const rtl::Reference<SfxStyleSheetBase>& style);
 
    bool HasStyleSheet(const rtl::Reference<SfxStyleSheetBase>& style) const;
 
    sal_Int32 GetNumberOfStyleSheets() const;
 
    sal_Int32 GetNumberOfStyleSheetsWithPredicate(StyleSheetPredicate& predicate) const;
 
    SfxStyleSheetBase* GetStyleSheetByPosition(sal_Int32 pos);
 
    sal_Int32 FindStyleSheetPosition(const SfxStyleSheetBase& style) const;
 
    std::vector<sal_Int32> FindPositionsByName(const OUString& name) const;
 
    enum class SearchBehavior
    {
        ReturnAll,
        ReturnFirst
    };
    std::vector<sal_Int32>
    FindPositionsByNameAndPredicate(const OUString& name, StyleSheetPredicate& predicate,
                                    SearchBehavior behavior = SearchBehavior::ReturnAll) const;
 
    std::vector<sal_Int32> FindPositionsByPredicate(StyleSheetPredicate& predicate) const;
 
    void ApplyToAllStyleSheets(StyleSheetCallback& callback) const;
 
    void Clear(StyleSheetDisposer& cleanup);
 
    void Reindex();
 
    SfxStyleSheetBase* GetNthStyleSheetThatMatchesPredicate(sal_Int32 n,
                                                            StyleSheetPredicate& predicate,
                                                            sal_Int32 startAt = 0);
 
    const std::vector<sal_Int32>& GetStyleSheetPositionsByFamily(SfxStyleFamily) const;
 
private:
    void Register(const SfxStyleSheetBase& style, sal_Int32 pos);
 
    typedef std::vector<rtl::Reference<SfxStyleSheetBase>> VectorType;
    VectorType mStyleSheets;
 
    typedef std::unordered_multimap<OUString, unsigned> MapType;
 
    MapType mPositionsByName;
 
    std::vector<std::vector<sal_Int32>> mStyleSheetPositionsByFamily;
};
 
} /* namespace svl */
 
#endif // INCLUDED_SVL_INDEXEDSTYLESHEETS_HXX
 
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