/************************************************************************
**
**  Copyright (C) 2009, 2010, 2011  Strahinja Markovic  <strahinja.markovic@gmail.com>
**
**  This file is part of Sigil.
**
**  Sigil is free software: you can redistribute it and/or modify
**  it under the terms of the GNU General Public License as published by
**  the Free Software Foundation, either version 3 of the License, or
**  (at your option) any later version.
**
**  Sigil is distributed in the hope that it will be useful,
**  but WITHOUT ANY WARRANTY; without even the implied warranty of
**  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
**  GNU General Public License for more details.
**
**  You should have received a copy of the GNU General Public License
**  along with Sigil.  If not, see <http://www.gnu.org/licenses/>.
**
*************************************************************************/

#pragma once
#ifndef SEARCHOPERATIONS_H
#define SEARCHOPERATIONS_H

#include <boost/tuple/tuple.hpp>

class Resource;
class TextResource;
class HTMLResource;

using boost::tuple;

class SearchOperations
{

public:

    enum SearchType {
        BookViewSearch,
        CodeViewSearch
    };

    /**
     * Returns the number of matching occurrences.
     *
     * @param search_regex The regex to match with.
     * @return The number of matching occurrences.
     */
    static int CountInFiles(const QString &search_regex,
                            QList< Resource * > resources,
                            SearchType search_type,
                            bool check_spelling = false);


    static int ReplaceInAllFIles(const QString &search_regex,
                                 const QString &replacement,
                                 QList< Resource * > resources,
                                 SearchType search_type);

private:

    static int CountInFile(const QString &search_regex,
                           Resource *resource,
                           SearchType search_type,
                           bool check_spelling);


    static int CountInHTMLFile(const QString &search_regex,
                               HTMLResource *html_resource,
                               SearchType search_type,
                               bool check_spelling);


    static int CountInTextFile(const QString &search_regex,
                               TextResource *text_resource);

    static int ReplaceInFile(const QString &search_regex,
                             const QString &replacement,
                             Resource *resource,
                             SearchType search_type);

    static int ReplaceHTMLInFile(const QString &search_regex,
                                 const QString &replacement,
                                 HTMLResource *html_resource,
                                 SearchType search_type);

    static int ReplaceTextInFile(const QString &search_regex,
                                 const QString &replacement,
                                 TextResource *text_resource);

    static tuple< QString, int > PerformGlobalReplace(const QString &text,
            const QString &search_regex,
            const QString &replacement);

    static tuple< QString, int > PerformHTMLSpellCheckReplace(const QString &text,
            const QString &search_regex,
            const QString &replacement);

    static void Accumulate(int &first, const int &second);
};

#endif // SEARCHOPERATIONS_H
