// TortoiseMerge - a Diff/Patch program

// Copyright (C) 2006-2010, 2013-2014, 2018, 2021 - TortoiseSVN

// This program 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 2
// of the License, or (at your option) any later version.

// This program 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 this program; if not, write to the Free Software Foundation,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
#pragma once
#include "CommonAppUtils.h"
#include "svn_types.h"

class CProgressDlg;

/**
 * \ingroup TortoiseMerge
 *
 * Helper functions
 */
class CAppUtils : public CCommonAppUtils
{
public:
    CAppUtils();
    ~CAppUtils();

    /**
     * Starts an external program to get a file with a specific revision.
     * \param sPath path to the file for which a specific revision is fetched
     * \param sVersion the revision to get
     * \param sSavePath the path to where the file version shall be saved
     * \param progDlg
     * \param hWnd the window handle of the calling app
     * \return TRUE if successful
     */
    static BOOL GetVersionedFile(CString sPath, CString sVersion, CString sSavePath, CProgressDlg* progDlg, HWND hWnd = nullptr);

    /**
     * Creates a unified diff from two files
     */
    static bool CreateUnifiedDiff(const CString& orig, const CString& modified, const CString& output, int contextsize, bool ignoreEOL, bool bShowError);

    static bool     HasClipboardFormat(UINT format);
    static CString  GetErrorString(svn_error_t* err);
    static COLORREF IntenseColor(long scale, COLORREF col);
};